中英文对照外文翻译
(文档含英文原文和中文翻译)
Data Acquisition Systems
Data acquisition systems are used to acquire process operating data and store it on，secondary storage devices for later analysis. Many or the data acquisition systems acquire this data at very high speeds and very little computer time is left to carry out any necessary, or desirable, data manipulations or reduction. All the data are stored on secondary storage devices and manipulated subsequently to derive the variables of
in-terest. It is very often necessary to design special purpose data acquisition systems and interfaces to acquire the high speed process data. This special purpose design can be an expensive proposition.
Powerful mini- and mainframe computers are used to combine the data acquisition with other functions such as comparisons between the actual output and the desirable output values, and to then decide on the control action which must be taken to ensure that the output variables lie within preset limits. The computing power required will depend upon the type of process control system implemented. Software requirements for carrying out proportional, ratio or three term control of process variables are relatively trivial, and microcomputers can be used to implement such process control systems. It would not be possible to use many of the currently available microcomputers for the implementation of high speed adaptive control systems which require the use of suitable process models and considerable online manipulation of data.
Microcomputer based data loggers are used to carry out intermediate functions such as data acquisition at comparatively low speeds, simple mathematical manipulations of raw data and some forms of data reduction. The first generation of data loggers, without any programmable computing facilities, was used simply for slow speed data acquisition from up to one hundred channels. All the acquired data could be punched out on paper tape or printed for subsequent analysis. Such hardwired data loggers are being replaced by the new generation of data loggers which incorporate microcomputers and can be programmed by the user. They offer an extremely good method of collecting the process data, using standardized interfaces, and subsequently performing the necessary manipulations to provide the information of interest to the process operator. The data acquired can be analyzed to establish correlations, if any, between process variables and to develop mathematical models necessary for adaptive and optimal process control.
The data acquisition function carried out by data loggers varies from one to 9 in system to another. Simple data logging systems acquire data from a few channels while complex systems can receive data from hundreds, or even thousands, of input channels distributed around one or more processes. The rudimentary data loggers scan the selected number of channels, connected to sensors or transducers, in a sequential manner and the data are recorded in a digital format. A data logger can be dedicated in the sense that it can only collect data from particular types of sensors and transducers. It is best to use a nondedicated data logger since any transducer or sensor can be connected to the channels via suitable interface circuitry. This facility requires the use of appropriate signal conditioning modules.
Microcomputer controlled data acquisition facilitates the scanning of a large number of sensors. The scanning rate depends upon the signal dynamics which means that some channels must be scanned at very high speeds in order to avoid aliasing errors while there is very little loss of information by scanning other channels at slower speeds. In some data logging applications the faster channels require sampling at speeds of up to 100 times per second while slow channels can be sampled once every five minutes. The conventional hardwired, non-programmable data loggers sample all the channels in a sequential manner and the sampling frequency of all the channels must be the same. This procedure results in the accumulation of very large amounts of data, some of which is unnecessary, and also slows down the overall effective sampling frequency. Microcomputer based data loggers can be used to scan some fast channels at a higher frequency than other slow speed channels.
The vast majority of the user programmable data loggers can be used to scan up to 1000 analog and 1000 digital input channels. A small number of data loggers, with a higher degree of sophistication, are suitable for acquiring data from up to 15, 000 analog and digital channels. The data from digital channels can be in the form of Transistor- Transistor Logic or contact closure signals. Analog data must be converted into digital format before it is recorded and requires the use of suitable analog to digital converters (ADC)．The characteristics of the ADC will define the resolution that can be achieved and the rate at which the various channels can be sampled. An in-crease in the number of bits used in the ADC improves the resolution capability. Successive approximation ADC's are
faster than integrating ADC's. Many microcomputer controlled data loggers include a facility to program the channel scanning rates. Typical scanning rates vary from 2 channels per second to 10, 000 channels per second.
Most data loggers have a resolution capability of ±0.01% or better, It is also pos-sible to achieve a resolution of 1 micro-volt. The resolution capability, in absolute terms, also depends upon the range of input signals, Standard input signal ranges are 0-10 volt, 0-50 volt and 0-100 volt. The lowest measurable signal varies form 1 t, volt to 50, volt. A higher degree of recording accuracy can be achieved by using modules which accept data in small, selectable ranges. An alternative is the auto ranging facil-ity available on some data loggers.
The accuracy with which the data are acquired and logged-on the appropriate storage device is extremely important. It is therefore necessary that the data acquisi-tion module should be able to reject common mode noise and common mode voltage. Typical common mode noise rejection capabilities lie in the range 110 dB to 150 dB. A decibel (dB) is a tern which defines the ratio of the power levels of two signals. Thus if the reference and actual signals have power levels of N, and Na respectively, they will have a ratio of n decibels, where
n＝10 Log10（Na /Nr）
Protection against maximum common mode voltages of 200 to 500 volt is available on typical microcomputer based data loggers.
The voltage input to an individual data logger channel is measured, scaled and linearised before any further data manipulations or comparisons are carried out.
In many situations, it becomes necessary to alter the frequency at which particu-lar channels are sampled depending upon the values of data signals received from a particular input sensor. Thus a channel might normally be sampled once every 10 minutes. If, however, the sensor signals approach the alarm limit, then it is obviously desirable to sample that channel once every minute or even faster so that the operators can be informed, thereby avoiding any catastrophes. Microcomputer controlled
intel-ligent data loggers may be programmed to alter the sampling frequencies depending upon the values of process signals. Other data loggers include self-scanning modules which can initiate sampling.
The conventional hardwired data loggers, without any programming facilities, simply record the instantaneous values of transducer outputs at a regular sampling
in-terval. This raw data often means very little to the typical user. To be meaningful, this data must be linearised and scaled, using a calibration curve, in order to determine the real value of the variable in appropriate engineering units. Prior to the availability of programmable data loggers, this function was usually carried out in the off-line mode on a mini- or mainframe computer. The raw data values had to be punched out on pa-per tape, in binary or octal code, to be input subsequently to the computer used for analysis purposes and converted to the engineering units. Paper tape punches are slow speed mechanical devices which reduce the speed at which channels can be scanned. An alternative was to print out the raw data values which further reduced the data scanning rate. It was not possible to carry out any limit comparisons or provide any alarm information. Every single value acquired by the data logger had to be recorded even
though it might not serve any useful purpose during subsequent analysis; many data values only need recording when they lie outside the pre-set low and high limits.
If the analog data must be transmitted over any distance, differences in ground potential between the signal source and final location can add noise in the interface design. In order to separate common-mode interference form the signal to be recorded or processed, devices designed for this purpose, such as instrumentation amplifiers, may be used. An instrumentation amplifier is characterized by good common-mode- rejection capability, a high input impedance, low drift, adjustable gain, and greater cost than operational amplifiers. They range from monolithic ICs to potted modules, and larger rack-mounted modules with manual scaling and null adjustments. When a very high common-mode voltage is present or the need for extremely-low
com-mon-mode leakage current exists（as in many medical-electronics applications），an isolation amplifier is required. Isolation amplifiers may use optical or transformer isolation.
Analog function circuits are special-purpose circuits that are used for a variety of signal conditioning operations on signals which are in analog form. When their accu-racy is adequate, they can relieve the microprocessor of time-consuming software and computations. Among the typical operations performed are multiplications, division, powers, roots, nonlinear functions such as for linearizing transducers, rims
measure-ments, computing vector sums, integration and differentiation, and
current-to-voltage or voltage- to-current conversion. Many of these operations can be purchased in available devices as multiplier/dividers, log/antilog amplifiers, and others.
When data from a number of independent signal sources must be processed by the same microcomputer or communications channel, a multiplexer is used to channel the input signals into the A/D converter.
Multiplexers are also used in reverse, as when a converter must distribute analog information to many different channels. The multiplexer is fed by a D／A converter which continually refreshes the output channels with new information.
In many systems, the analog signal varies during the time that the converter takes to digitize an input signal. The changes in this signal level during the conversion process can result in errors since the conversion period can be completed some time after the conversion command. The final value never represents the data at the instant when the conversion command is transmitted. Sample-hold circuits are used to make an acquisition of the varying analog signal and to hold this signal for the duration of the conversion process. Sample-hold circuits are common in multichannel distribution systems where they allow each channel to receive and hold the signal level.
In order to get the data in digital form as rapidly and as accurately as possible, we must use an analog/digital (A/D) converter, which might be a shaft encoder, a small module with digital outputs, or a high-resolution, high-speed panel instrument. These devices, which range form IC chips to rack-mounted instruments, convert ana-log input data, usually voltage, into an equivalent digital form. The characteristics of A/D converters include absolute and relative accuracy, linearity, monotonic, resolu-tion, conversion speed, and stability. A choice of input ranges, output codes, and other features are available. The successive-approximation technique is popular for a large number of
applications, with the most popular alternatives being the counter-comparator types, and dual-ramp approaches. The dual-ramp has been widely-used in digital voltmeters.
D/A converters convert a digital format into an equivalent analog representation. The basic converter consists of a circuit of weighted resistance values or ratios, each controlled by a particular level or weight of digital input data, which develops the output voltage or current in accordance with the digital input code. A special class of D/A converter exists which have the capability of handling variable reference sources. These devices are the multiplying DACs. Their output value is the product of the number represented by the digital input code and the analog reference voltage, which may vary form full scale to zero, and in some cases, to negative values.
Component Selection Criteria
In the past decade, data-acquisition hardware has changed radically due to ad-vances in semiconductors, and prices have come down too; what have not changed, however, are the fundamental system problems confronting the designer. Signals may be obscured by noise, rfi，ground loops, power-line pickup, and transients coupled into signal lines from machinery. Separating the signals from these effects becomes a matter for concern.
Data-acquisition systems may be separated into two basic categories:（1）those suited to favorable environments like laboratories -and（2）those required for hostile environments such as factories, vehicles, and military installations. The latter group includes industrial process control systems where temperature information may be gathered by sensors on tanks, boilers, wats, or pipelines that may be spread over miles of facilities. That data may then be sent to a central processor to provide real-time process control. The digital control of steel mills, automated chemical production, and machine tools is carried out in this kind of hostile environment. The vulnerability of the data signals leads to the requirement for isolation and other techniques.
At the other end of the spectrum-laboratory applications, such as test systems for gathering information on gas chromatographs, mass spectrometers, and other sophis-ticated instruments-the designer's problems are concerned with the performing of sen-sitive measurements under favorable conditions rather than with the problem of
pro-tecting the integrity of collected data under hostile conditions.
Systems in hostile environments might require components for wide tempera-tures, shielding, common-mode noise reduction, conversion at an early stage, redun-dant circuits for critical measurements, and preprocessing of the digital data to test its reliability. Laboratory systems, on the other hand, will have narrower temperature ranges and less ambient noise. But the higher accuracies require sensitive devices, and a major effort may be necessary for the required signal /noise ratios.
The choice of configuration and components in data-acquisition design depends on consideration of a number of factors:
1. Resolution and accuracy required in final format.
2. Number of analog sensors to be monitored.
3. Sampling rate desired.
4. Signal-conditioning requirement due to environment and accuracy.
5. Cost trade-offs.
Some of the choices for a basic data-acquisition configuration include：
1 ．Single-channel techniques.
A. Direct conversion.
B. Preamplification and direct conversion.
C. Sample-hold and conversion.
D. Preamplification, sample-hold, and conversion.
E. Preamplification, signal-conditioning, and direct conversion.
F. Preamplification, signal-conditioning, sample-hold, and conversion.
2. Multichannel techniques.
A. Multiplexing the outputs of single-channel converters.
B. Multiplexing the outputs of sample-holds.
C. Multiplexing the inputs of sample-holds.
D. Multiplexing low-level data.
E. More than one tier of multiplexers.
Signal-conditioning may include:
1. Radiometric conversion techniques.
B. Range biasing.
D. Logarithmic compression.
A. Analog filtering.
B. Integrating converters.
C. Digital data processing.
We shall consider these techniques later, but first we will examine some of the components used in these data-acquisition system configurations.
Multiplexers
When more than one channel requires analog-to-digital conversion, it is neces-sary to use time-division multiplexing in order to connect the analog inputs to a single converter, or to provide a converter for each input and then combine the converter outputs by digital multiplexing.
Analog Multiplexers
Analog multiplexer circuits allow the timesharing of analog-to-digital converters between a numbers of analog information channels. An analog multiplexer consists of a group of switches arranged with inputs connected to the individual analog channels and outputs connected in common（as shown in Fig. 1）．The switches may be ad-dressed by a digital input code.
Many alternative analog switches are available in electromechanical and solid-state forms. Electromechanical switch types include relays, stepper switches,
cross-bar switches, mercury-wetted switches, and dry-reed relay switches. The best switching speed is provided by reed relays（about 1 ms）．The mechanical switches provide high do isolation resistance, low contact resistance, and the capacity to handle voltages up to 1 KV, and they are usually inexpensive. Multiplexers using mechanical switches are suited to low-speed applications as well as those having high resolution requirements. They interface well with the slower A/D converters, like the integrating dual-slope types. Mechanical switches have a finite life, however, usually expressed in
number of operations. A reed relay might have a life of 109
operations, which would
allow a 3-year life at 10 operations/second.
Solid-state switch devices are capable of operation at 30 ns, and they have a life which exceeds most equipment requirements. Field-effect transistors（FETs）are used in most multiplexers. They have superseded bipolar transistors which can introduce large voltage offsets when used as switches.
FET devices have a leakage from drain to source in the off state and a leakage from gate or substrate to drain and source in both the on and off states. Gate leakage in MOS devices is small compared to other sources of leakage. When the device has a Zener-diode-protected gate, an additional leakage path exists between the gate and source.
Enhancement-mode MOS-FETs have the advantage that the switch turns off when power is removed from the MUX. Junction-FET multiplexers always turn on with the power off.
A more recent development, the CMOS-complementary MOS-switch has the advantage of being able to multiplex voltages up to and including the supply voltages. A±10-V signal can be handled with a ±10-V supply.
Trade-off Considerations for the Designer
Analog multiplexing has been the favored technique for achieving lowest system cost. The decreasing cost of A/D converters and the availability of low-cost, digital integrated circuits specifically designed for multiplexing provide an alternative with advantages for some applications. A decision on the technique to use for a given
sys-tem will hinge on trade-offs between the following factors:
1. Resolution. The cost of A/D converters rises steeply as the resolution increases due to the cost of precision elements. At the 8-bit level, the per-channel cost of an analog multiplexer may be a considerable proportion of the cost of a converter. At resolutions above 12 bits, the reverse is true, and analog multiplexing tends to be more economical.
2. Number of channels. This controls the size of the multiplexer required and the amount of wiring and interconnections. Digital multiplexing onto a common data bus reduces wiring to a minimum in many cases. Analog multiplexing is suited for 8 to 256 channels; beyond this number, the technique is unwieldy and analog errors be-come difficult to minimize. Analog and digital multiplexing is often combined in very large systems.
3. Speed of measurement, or throughput. High-speed A/D converters can add a considerable cost to the system. If analog multiplexing demands a high-speed
con-verter to achieve the desired sample rate, a slower converter for each channel with digital multiplexing can be less costly．
4. Signal level and conditioning. Wide dynamic ranges between channels can be difficult with analog multiplexing. Signals less than 1V generally require differential low-level analog multiplexing which is expensive, with programmable-gain amplifiers after the MUX operation. The alternative of fixed-gain converters on each channel, with signal-conditioning designed for the channel requirement, with digital multi-plexing may be more efficient.
5. Physical location of measurement points. Analog multiplexing is suited
for making measurements at distances up to a few hundred feet from the converter, since analog lines may suffer from losses, transmission-line reflections, and interference. Lines may range from twisted wire pairs to multiconductor shielded cable, depending on signal levels, distance, and noise environments. Digital multiplexing is operable to thousands of miles, with the proper transmission equipment, for digital transmission systems can offer the powerful noise-rejection characteristics that are required for
29 Data Acquisition Systems long-distance transmission.
Digital Multiplexing
For systems with small numbers of channels, medium-scale integrated digital multiplexers are available in TTL and MOS logic families. The 74151 is a typical example. Eight of these integrated circuits can be used to multiplex eight A/D con-verters of 8-bit resolution onto a common data bus.
This digital multiplexing example offers little advantages in wiring economy, but it is lowest in cost, and the high switching speed allows operation at sampling rates much faster than analog multiplexers. The A/D converters are required only to keep up with the channel sample rate, and not with the commutating rate. When large numbers of A/D converters are multiplexed, the data-bus technique reduces system interconnections. This alone may in many cases justify multiple A/D converters. Data can be bussed onto the lines in bit-parallel or bit-serial format, as many converters have both serial and parallel outputs. A variety of devices can be used to drive the bus, from open collector and tristate TTL gates to line drivers and optoelectronic isolators. Channel-selection decoders can be built from 1-of-16 decoders to the required size. This technique also allows additional reliability in that a failure of one A/D does not affect the other channels. An important requirement is that the multiplexer operate without introducing unacceptable errors at the sample-rate speed. For a digital MUX system, one can determine the speed from propagation delays and the time required to charge the bus capacitance.
Analog multiplexers can be more difficult to characterize. Their speed is a func-tion not only of internal parameters but also external parameters such as channel, source impedance, stray capacitance and the number of channels, and the circuit lay-out. The user must be aware of the limiting parameters in the system to judge their ef-fect on performance.
The nonideal transmission and open-circuit characteristics of analog multiplexers can introduce static and dynamic errors into the signal path. These errors include leakage through switches, coupling of control signals into the analog path, and inter-actions with sources and following amplifiers. Moreover, the circuit layout can com-pound these effects.
Since analog multiplexers may be connected directly to sources which may have little overload capacity or poor settling after overloads, the switches should have a break-before-make action to prevent the possibility of shorting channels together. It may be necessary to avoid shorted channels when power is removed and a chan-nels-off with power-down characteristic is desirable. In addition to the chan-nel-addressing lines, which are normally binary-coded, it is useful to have inhibited or enable lines to turn all switches off regardless of the channel being addressed. This simplifies the external logic necessary to cascade multiplexers and can also be useful in certain modes of channel
addressing. Another requirement for both analog and digital multiplexers is the tolerance of line transients and overload conditions, and the ability to absorb the transient energy and recover without damage.
数据采集系统
数据采集系统是用来获取数据处理和存储在二级存储设备，为后来的分析。许多或数据采集系统获得数据以很高的速度和非常小的计算机时间去进行任何必要的，或需要，数据操作或减少。所有的数据都存储在二级存储设备和操纵随后得出的变量的利益。这是很经常需要设计特殊用途的数据采集系统和接口获得高速过程数据。这一特殊目的的设计是一个昂贵的命题。
强大的小型和大型计算机结合使用的数据采集与其他职能，如比较实际输出与期望输出值，并决定对控制作用，必须采取确保输出变量躺在预设的限制。计算所需功率将取决于类型的过程控制系统的实施。软件需求进行比例，比率或三项控制的过程变量都比较琐碎，和微型计算机可以用来执行过程控制系统。它不可能使用许多现有微机实施高速度自适应控制系统，需要使用合适的过程模型和大量的在线数据处理。
微机数据记录仪是用来进行中间等功能的数据采集在较低的速度，简单的数学运算的数据和某些形式的数据约简。第一代的数据记录器，没有任何可编程计算机设施，使用简单的低速数据采集到一百频道。所有获得的数据可以被穿孔纸带或印刷为以后的分析。这种硬数据记录器，取而代之的是新一代数据记录器纳入微机和可编程的用户。他们提供了一个非常好的方法收集数据的过程中，使用标准接口，并随后执行必要的操作提供感兴趣的信息，经营者的过程。获得的数据可以分析，建立相关，如果有的话，变量之间的过程和发展的数学模型的必要的适应性和过程优化控制。
数据采集功能进行数据记录器不同从9到另一个系统。简单的数据记录系统获取的数据从几个渠道而复杂的系统，可以接收数据从数百，甚至数千，输入通道分布在一个
或多个进程。初步数据记录器扫描选定的通道，连接到传感器或传感器，在一个连续的方式，数据被记录在数字格式。数据记录仪能专注在这个意义上，它可以只收集数据从特定类型的传感器和传感器。最好的方法是使用一个专用数据记录仪，因为任何传感器或传感器可以连接到通道通过适当的接口电路。这个设备需要使用适当的信号调理模块。
微机控制的数据采集方便扫描大量传感器。扫描速度取决于信号的动态是指一些渠道必须扫描在非常高的速度，以避免混淆的错误而很少有损失的信息的扫描其它渠道以较慢的速度。在一些数据应用程序更快的渠道需要采样速度高达每秒100次而缓慢的渠道可以每五分钟采样一次。传统的硬，不可编程数据记录器样本的所有频道顺序和采样频率对所有通道必须是相同的。这个程序的结果积累的大量数据，其中一些是不必要的，而且也减慢了全面有效的取样频率。微机数据记录器可以用来扫描一些快速通道在更高的频率比其他速度慢通道。
绝大部分的用户可编程数据记录器可以用来扫描多达1000个模拟和1000个数字输入通道。少量数据记录器，具有更高的复杂程度，适用于从数据获取高达15，000模拟和数字通道。数据从数字频道的形式可以是晶体管-晶体管逻辑或接点闭合信号。模拟数据必须被转换成数字格式之前，它是记录和需要使用适当的模拟到数字转换器（模数转换器）。特色的模数转换器将确定的分辨率可以达到的速度在不同的渠道进行采样。一个能在使用的位数的提高分辨能力。逐次逼近模数转换器的速度比积分的。许多微机控制数据记录器包括一个设备编程通道扫描率。典型的扫描率从2通道每秒10，000通道每秒。
大多数数据记录器具有分辨能力±0.01%或更好，也有可能实现一个分辨率为1微伏。该决议的能力，绝对值，还取决于输入信号范围，标准输入信号范围为0 - 50- 100伏伏伏，和。最低可测信号的变化从1伏到50伏，。更高程度的记录精度可以达到使用模块接受数据量小，可选择的范围。另一种是自动测距设备可在某些数据记录器。
准确性与数据采集和登录的适当的存储设备是非常重要的。因此有必要的数据采集模块应该能够拒绝共模噪声和共模电压。典型的共模噪声抑制能力范围在110分贝至150分贝。分贝（分贝）是燕鸥定义比功率水平的信号。因此，如果参考和实际信号功率水平，和n分别，他们将有一个比的分贝，当
n＝10 Log10（Na /Nr）
防止最大共模电压为200到500伏特是典型的微机数据记录器。
电压输入个人数据记录仪测量信道，规模和线性化之前，任何进一步的数据操作或比较进行。
在许多情况下，有必要改变的频率在这项通道采样取决于价值的数据信号从收到一个特定的输入传感器。因此，渠道可能通常是每10分钟采样一次。如果，然而，传感器信号的警报限制，那么它显然是可取的样品通道每分钟或甚至更快，使运营商可以得知，从而避免任何灾难。微机控制智能数据记录器可以通过编程改变采样频率取决于价值的过程信号。其他数据记录器包括扫描模块，可以启动采样。
传统的硬数据记录器，无需任何编程，只记录瞬时值传感器的输出在采样间隔。这种原始数据通常是很小的典型用户。是有意义的，这个数据必须被线性化和规模，使用校准曲线，以确定真正价值的变量在适当的工程单位。之前的可用性可编程数据记录器，此功能通常在离线模式在小型或大型计算机。原始数据值是打了对纸胶带，在二进制或八进制代码，输入到随后的计算机用于分析的目的和转换为工程单位。纸带速度缓慢，机械设备，降低速度，通道可以扫描。另一个是打印出来的原始数据值，进一步减少了数据的扫描速度。这是不可能进行任何限制比较或提供任何报警信息。每一个单值获得的数据记录器已被记录，即使它可能没有任何用处在随后的分析；许多数据值只需要记录时，他们不在预先设定
中文参考文献格式 参考文献（即引文出处）的类型以单字母方式标识： M——专著，C——论文集，N——报纸文章，J——期刊文章，D——学位论文，R——报告，S——标准，P——专利；对于不属于上述的文献类型，采用字母“Z”标识。 参考文献一律置于文末。其格式为： （一）专著 示例 [1] 张志建.严复思想研究[M]. 桂林：广西师范大学出版社，1989. [2] 马克思恩格斯全集：第1卷[M]. 北京：人民出版社，1956. [3] [英]蔼理士.性心理学[M]. 潘光旦译注.北京：商务印书馆，1997. （二）论文集 示例 [1] 伍蠡甫.西方文论选[C]. 上海：上海译文出版社，1979. [2] 别林斯基.论俄国中篇小说和果戈里君的中篇小说[A]. 伍蠡甫.西方文论选：下册[C]. 上海：上海译文出版社，1979. 凡引专著的页码，加圆括号置于文中序号之后。 （三）报纸文章 示例 [1] 李大伦.经济全球化的重要性[N]. 光明日报，1998-12-27，（3） （四）期刊文章 示例 [1] 郭英德.元明文学史观散论[J]. 北京师范大学学报（社会科学版），1995（3）. （五）学位论文 示例 [1] 刘伟.汉字不同视觉识别方式的理论和实证研究[D]. 北京：北京师范大学心理系，1998. （六）报告 示例 [1] 白秀水，刘敢，任保平. 西安金融、人才、技术三大要素市场培育与发展研究[R]. 西安：陕西师范大学西北经济发展研究中心，1998. （七）、对论文正文中某一特定内容的进一步解释或补充说明性的注释，置于本页地脚，前面用圈码标识。 参考文献的类型 根据GB3469-83《文献类型与文献载体代码》规定，以单字母标识： M——专著（含古籍中的史、志论著） C——论文集 N——报纸文章 J——期刊文章 D——学位论文 R——研究报告 S——标准 P——专利 A——专著、论文集中的析出文献 Z——其他未说明的文献类型 电子文献类型以双字母作为标识： DB——数据库 CP——计算机程序 EB——电子公告
英文论文APA格式 英文论文一些格式要求与国内期刊有所不同。从学术的角度讲，它更加严谨和科学，并且方便电子系统检索和存档。 版面格式
表格 表格的题目格式与正文相同，靠左边，位于表格的上部。题目前加Table后跟数字，表示此文的第几个表格。 表格主体居中，边框粗细采用0.5磅；表格内文字采用Times New Roman，10磅。 举例： Table 1. The capitals, assets and revenue in listed banks
图表和图片 图表和图片的题目格式与正文相同，位于图表和图片的下部。题目前加Figure 后跟数字，表示此文的第几个图表。图表及题目都居中。只允许使用黑白图片和表格。 举例： Figure 1. The Trend of Economic Development 注：Figure与Table都不要缩写。 引用格式与参考文献 1. 在论文中的引用采取插入作者、年份和页数方式，如"Doe (2001, p.10) reported that …" or "This在论文中的引用采取作者和年份插入方式，如"Doe (2001, p.10) reported that …" or "This problem has been studied previously (Smith, 1958, pp.20-25)。文中插入的引用应该与文末参考文献相对应。 举例：Frankly speaking, it is just a simulating one made by the government, or a fake competition, directly speaking. (Gao, 2003, p.220). 2. 在文末参考文献中，姓前名后，姓与名之间以逗号分隔；如有两个作者，以and连接；如有三个或三个以上作者，前面的作者以逗号分隔，最后一个作者以and连接。 3. 参考文献中各项目以“点”分隔，最后以“点”结束。 4. 文末参考文献请按照以下格式：
超详细中英文论文参考文献标准格式 1、参考文献和注释。按论文中所引用文献或注释编号的顺序列在论文正文之后，参考文献之前。图表或数据必须注明来源和出处。 （参考文献是期刊时，书写格式为： [编号]、作者、文章题目、期刊名（外文可缩写）、年份、卷号、期数、页码。参考文献是图书时，书写格式为： [编号]、作者、书名、出版单位、年份、版次、页码。） 2、附录。包括放在正文内过份冗长的公式推导，以备他人阅读方便所需的辅助性数学工具、重复性数据图表、论文使用的符号意义、单位缩写、程序全文及有关说明等。 参考文献（即引文出处）的类型以单字母方式标识，具体如下： [M]--专著,著作 [C]--论文集(一般指会议发表的论文续集，及一些专题论文集，如《***大学研究生学术论文集》[N]-- 报纸文章 [J]--期刊文章：发表在期刊上的论文，尽管有时我们看到的是从网上下载的（如知网），但它也是发表在期刊上的，你看到的电子期刊仅是其电子版 [D]--学位论文：不区分硕士还是博士论文 [R]--报告：一般在标题中会有"关于****的报告"字样 [S]-- 标准 [P]--专利 [A]--文章：很少用，主要是不属于以上类型的文章 [Z]--对于不属于上述的文献类型，可用字母"Z"标识，但这种情况非常少见 常用的电子文献及载体类型标识： [DB/OL] --联机网上数据(database online) [DB/MT] --磁带数据库(database on magnetic tape) [M/CD] --光盘图书(monograph on CDROM) [CP/DK] --磁盘软件(computer program on disk) [J/OL] --网上期刊(serial online) [EB/OL] --网上电子公告(electronic bulletin board online) 很显然，标识的就是该资源的英文缩写，/前面表示类型，/后面表示资源的载体，如OL表示在线资源 二、参考文献的格式及举例 1．期刊类 【格式】[序号]作者.篇名[J].刊名,出版年份,卷号(期号)起止页码. 【举例】 [1] 周融，任志国，杨尚雷，厉星星.对新形势下毕业设计管理工作的思考与实践[J].电气电子教学学报，2003(6):107-109. [2] 夏鲁惠.高等学校毕业设计(论文)教学情况调研报告[J].高等理科教育,2004(1):46-52. [3] Heider, E.R.& D.C.Oliver. The structure of color space in naming and memory of two languages [J]. Foreign Language Teaching and Research, 1999, (3): 62 67. 2．专著类
贯彻落实科学发展观大力发展节能与绿色建筑 （2005年2月23日） 中华人民共和国建设部 节能建筑是按节能设计标准进行设计和建造、使其在使用过程中降低能耗的建筑。 绿色建筑是指为人们提供健康、舒适、安全的居住、工作和活动的空间，同时在建筑全生命周期（物料生产，建筑规划、设计、施工、运营维护及拆除过程）中实现高效率地利用资源（能源、土地、水资源、材料）、最低限度地影响环境的建筑物。绿色建筑也有人称之为生态建筑、可持续建筑。 一、发展节能与绿色建筑的重要意义 建筑作为人工环境，是满足人类物质和精神生活需要的重要组成部分。然而，人类对感官享受的过度追求，以及不加节制的开发与建设，使现代建筑不仅疏离了人与自然的天然联系和交流，也给环境和资源带来了沉重的负担。据统计，人类从自然界所获得的50％以上的物质原料用来建造各类建筑及其附属设施，这些建筑在建造与使用过程中又消耗了全球能源的50％左右；在环境总体污染中，与建筑有关的空气污染、光污染、电磁污染等就占了34％；建筑垃圾则占人类活动产生垃圾总量的40％；在发展中国家，剧增的建筑量还造成侵占土地、破坏生态环境等现象日益严重。中国正处于工业化和城镇化快速发展阶段，要在未来15年保持GDP年均增长7％以上，将面临巨大的资源约束瓶颈和环境恶化压力。严峻的事实告诉我们，中国要走可持续发展道路，发展节能与绿色建筑刻不容缓。 绿色建筑通过科学的整体设计，集成绿色配置、自然通风、自然采光、低能耗围护结构、新能源利用、中水回用、绿色建材和智能控制等高新技术，具有选址规划合理、资源利用高效循环、节能措施综合有效、建筑环境健康舒适、废物排放减量无害、建筑功能灵活适宜等六大特点。它不仅可以满足人们的生理和心理需求，而且能源和资源的消耗最为经济合理，对环境的影响最小。 胡锦涛同志指出：要大力发展节能省地型住宅，全面推广节能技术，制定并强制执行节能、节材、节水标准，按照减量化、再利用、资源化的原则，搞好资源综合利用，实现经济社会的可持续发展。温家宝和曾培炎同志也多次指出，建筑节能不仅是经济问题，而且是重要的战略问题。 发展节能与绿色建筑是建设领域贯彻“三个代表”重要思想和十六大精神，认真落实以人为本，全面、协调、可持续的科学发展观，统筹经济社会发展、人与
中英文参考文献格式! (細節也很重要啊。。）来源：李菲玥的日志 规范的参考文献格式 一、参考文献的类型 参考文献（即引文出处）的类型以单字母方式标识，具体如下： M——专著C——论文集N——报纸文章J——期刊文章 D——学位论文R——报告S——标准P——专利 A——文章 对于不属于上述的文献类型，采用字母“Z”标识。 常用的电子文献及载体类型标识： ［ＤＢ/OL］——联机网上数据(database online) ［DB/MT］——磁带数据库(database on magnetic tape) ［Ｍ/CD］——光盘图书(monograph on CD ROM) ［ＣＰ／DK］——磁盘软件(computer program on disk) ［Ｊ／ＯＬ］——网上期刊(serial online) ［ＥＢ/OL］——网上电子公告(electronic bulletin board online) 对于英文参考文献，还应注意以下两点： ①作者姓名采用“姓在前名在后”原则，具体格式是：姓，名字的首字母. 如：Malcolm R ichard Cowley 应为：Cowley, M.R.，如果有两位作者，第一位作者方式不变，&之后第二位作者名字的首字母放在前面，姓放在后面，如：Frank Norris 与Irving Gordon应为：Norri s, F. & I.Gordon.； ②书名、报刊名使用斜体字，如：Mastering English Literature，English Weekly。二、参考文献的格式及举例 1．期刊类 【格式】[序号]作者.篇名[J].刊名，出版年份，卷号（期号）：起止页码. 【举例】 [1] 周融，任志国，杨尚雷，厉星星.对新形势下毕业设计管理工作的思考与实践[J].电气电子教学学报，2003(6)：107-109.
英语毕业论文引用和参考文献格式 英语专业毕业论文引用和参考文献格式采用APA格式及规。 一、文中夹注格式 英语学位论文引用别人的观点、方法、言论必须注明出处，注明出处时使用括号夹注的方法（一般不使用脚注或者尾注），且一般应在正文后面的参考文献中列出。关于夹注，采用APA格式。 （一）引用整篇文献的观点 引用整篇文献（即全书或全文）观点时有两种情况： 1.作者的姓氏在正文中没有出现，如： Charlotte and Emily Bronte were polar opposites, not only in their personalities but in their sources of inspiration for writing (Taylor, 1990). 2. 作者的姓氏已在正文同一句中出现，如： Taylor claims that Charlotte and Emily Bronte were polar opposites, not only in their personalities but in their sources of inspiration for writing (1990). 3. 如果作者的姓氏和文献出版年份均已在正文同一句中出现，按APA的规不需使用括号夹注，如： In a 1990 article, Taylor claims that Charlotte and Emily Bronte were polar opposites, not only in their personalities but in their sources of inspiration for writing. 4. 在英文撰写的论文中引用中文著作或者期刊，括号夹注中只需用汉语拼音标明作者的姓氏，不得使用汉字，如：(Zhang, 2005) （二）引用文献中具体观点或文字 引用文献中某一具体观点或文字时必须注明该观点或者该段文字出现的页码出版年份，没有页码是文献引用不规的表现。 1.引用一位作者的文献 （1）引用容在一页，如： Emily Bronte “expressed increasing hostility for the world of human relationships, whether sexual or social” (Taylor, 1988：11). （2）引用容在多页上，如： Newmark (1988：39-40) notes three characteristically expressive text-types: (a) serious imaginative literature (e.g. lyrical poetry); (b) authoritative statements (political speeches and documents, statutes and legal documents, philosophical and academic works by acknowledged authorities); (c) autobiography, essays, personal correspondence (when these are personal effusions).
动脉粥样硬化所导致的心脑血管疾病是目前发病率和死亡率较高的疾病之一。在动脉粥样硬化的形成过程中, 内皮细胞病变是其中极其重要的因素，最显著的变化是动脉内皮功能紊乱, 血管内皮细胞的损伤和功能改变是动脉粥样硬化发生的起始阶段。 Cardiovascular and cerebrovascular disease caused by atherosclerosis is one of diseases with higher mortality and morbidity at present . In the formation of atherosclerosis, the endothelial cell lesion is one of the most important factors, in which, the most significant change is endothelial dysfunction. In addition, the injuries and the changes of vascular endothelial cells are the initial factors of atherosclerosis. 许多因素会导致血管内皮细胞受损, 主要包括脂多糖(Lipopolysaccharides , LPS)、炎症介质、氧自由基等。其中脂多糖因其广泛的生物学作用, 越来越引起研究者的关注。LPS 是一种炎症刺激物, 是革兰阴性杆菌细胞壁的主要组成成分，其通过刺激血管内皮细胞，引起其相关细胞因子和炎性因子的表达紊乱，尤其是Ca2+ 和活性氧簇(Reactive Oxygen Species , ROS的合成和释放发生改变诱导细胞氧化应激内环境紊乱。大量研究表明, LPS 直接参与动脉粥样硬化的形成过程, 特别是动脉粥样硬化血管炎症的初始阶段, LPS可通过直接作用或间接影响的方式激活并损伤内皮细胞，从而引 起血管内皮细胞形态与功能的改变。 Many factors induce vascular endothelial cell damage, including lipopolysaccharides (LPS), inflammatory mediators and oxygen free
英语优秀论文参考文献格式要求
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英语专业本科毕业论文 参考文献格式要求 I．文内引用 （一）直接引用 1．引用中的省略 原始资料的引用：在正文中直接引用时，应给出作者、年份，并用带括号的数字标出页码。若有任何资料省略，使用英文时，应用3个省略号在句中标出（…），中文用6个（……）；若两句间的资料省略，英文应用4个省略号标出（‥‥），中文用6个（……）。若要在直接引用插入自己的解释，应使用方括号[ ]。若在资料中有什么错误拼写、错误语法或标点错误会使读者糊涂，应在引用后立即插入[sic]，中文用[原文如此]。下面是一些示例： 例一：The DSM IV defines the disorder [dysthymic] as being in a chronically depressed mood that occurs for "most of the day more days than not for at least two years (Criterion A) .... In children, the mood may be irritable rather than depressed, and the required minimum duration is only one year" (APA, 1994, p. 345). 例二：Issac (1995) states that bipolar disorder "is not only uncommon but may be the most diagnostic entity in children and adolescents in similar settings .... and may be the most common diagnosis in adolescents who are court-remanded to such settings" (p.275). 2．大段落引用 当中文引用超过160字时，不使用引号，而使用“块”的形式（引用起于新的一行，首行缩进4个空格，两端对齐，之后每行都缩进）。 当英文引用超过40字时，不使用引号，而使用“块”的形式（引用起于新的一行，首行缩进5个空格，左对齐，之后每行都缩进）。 Elkind (1978) states:
英文引用及参考文献格式要求 一、参考文献的类型 参考文献（即引文出处）的类型以单字母方式标识，具体如下： M——专著C——论文集N——报纸文章 J——期刊文章D——学位论文R——报告 对于不属于上述的文献类型，采用字母“Z”标识。 对于英文参考文献，还应注意以下两点： ①作者姓名采用“姓在前名在后”原则，具体格式是：姓，名字的首字母.如：MalcolmRichardCowley应为：Cowley,M.R.，如果有两位作者，第一位作者方式不变，&之后第二位作者名字的首字母放在前面，姓放在后面，如：FrankNorris与IrvingGordon应为：Norris,F.&I.Gordon.； ②书名、报刊名使用斜体字，如：MasteringEnglishLiterature，EnglishWeekly。 二、参考文献的格式及举例 1.期刊类 【格式】[序号]作者.篇名[J].刊名，出版年份，卷号（期号）：起止页码. 【举例】 [1]王海粟.浅议会计信息披露模式[J].财政研究，2004,21(1)：56-58. [2]夏鲁惠.高等学校毕业论文教学情况调研报告[J].高等理科教育，2004(1):46-52. [3]Heider,E.R.&D.C.Oliver.Thestructureofcolorspaceinnamingandmemo ryoftwolanguages[J].ForeignLanguageTeachingandResearch,1999,(3):62–6 7. 2.专著类 【格式】[序号]作者.书名[M].出版地：出版社，出版年份：起止页码. 【举例】[4]葛家澍，林志军.现代西方财务会计理论[M].厦门：厦门大学出版社，2001：42. [5]Gill,R.MasteringEnglishLiterature[M].London:Macmillan,1985:42-45. 3.报纸类 【格式】[序号]作者.篇名[N].报纸名，出版日期（版次）. 【举例】 [6]李大伦.经济全球化的重要性[N].光明日报，1998-12-27(3). [7]French,W.BetweenSilences:AVoicefromChina[N].AtlanticWeekly,198 715(33). 4.论文集 【格式】[序号]作者.篇名[C].出版地：出版者，出版年份：起始页码. 【举例】 [8]伍蠡甫.西方文论选[C].上海：上海译文出版社，1979：12-17. [9]Spivak,G.“CantheSubalternSpeak?”[A].InC.Nelson&L.Grossberg(e ds.).VictoryinLimbo:Imigism[C].Urbana:UniversityofIllinoisPress,1988, pp.271-313.
(文档含英文原文和中文翻译) 中英文翻译 平面设计 任何时期平面设计可以参照一些艺术和专业学科侧重于视觉传达和介绍。采用多种方式相结合，创造和符号，图像和语句创建一个代表性的想法和信息。平面设计师可以使用印刷，视觉艺术和排版技术产生的最终结果。平面设计常常提到的进程，其中沟通是创造和产品设计。 共同使用的平面设计包括杂志，广告，产品包装和网页设计。例如，可能包括产品包装的标志或其他艺术作品，举办文字和纯粹的设计元素，如形状和颜色统一件。组成的一个最重要的特点，尤其是平面设计在使用前现有材料或不同的元素。 平面设计涵盖了人类历史上诸多领域，在此漫长的历史和在相对最近爆炸视觉传达中的第20和21世纪，人们有时是模糊的区别和重叠的广告艺术，平面设计和美术。毕竟，他们有着许多相同的内容，理论，原则，做法和语言，有时同样的客人或客户。广告艺术的最终目标是出售的商品和服务。在平面
设计，“其实质是使以信息，形成以思想，言论和感觉的经验”。 在唐朝（ 618-906 ）之间的第4和第7世纪的木块被切断打印纺织品和后重现佛典。阿藏印在868是已知最早的印刷书籍。 在19世纪后期欧洲，尤其是在英国，平面设计开始以独立的运动从美术中分离出来。蒙德里安称为父亲的图形设计。他是一个很好的艺术家，但是他在现代广告中利用现代电网系统在广告、印刷和网络布局网格。 于1849年，在大不列颠亨利科尔成为的主要力量之一在设计教育界，该国政府通告设计在杂志设计和制造的重要性。他组织了大型的展览作为庆祝现代工业技术和维多利亚式的设计。 从1892年至1896年威廉?莫里斯凯尔姆斯科特出版社出版的书籍的一些最重要的平面设计产品和工艺美术运动，并提出了一个非常赚钱的商机就是出版伟大文本论的图书并以高价出售给富人。莫里斯证明了市场的存在使平面设计在他们自己拥有的权利，并帮助开拓者从生产和美术分离设计。这历史相对论是，然而，重要的，因为它为第一次重大的反应对于十九世纪的陈旧的平面设计。莫里斯的工作，以及与其他私营新闻运动，直接影响新艺术风格和间接负责20世纪初非专业性平面设计的事态发展。 谁创造了最初的“平面设计”似乎存在争议。这被归因于英国的设计师和大学教授Richard Guyatt，但另一消息来源于20世纪初美国图书设计师William Addison Dwiggins。 伦敦地铁的标志设计是爱德华约翰斯顿于1916年设计的一个经典的现代而且使用了系统字体设计。 在20世纪20年代，苏联的建构主义应用于“智能生产”在不同领域的生产。个性化的运动艺术在俄罗斯大革命是没有价值的，从而走向以创造物体的功利为目的。他们设计的建筑、剧院集、海报、面料、服装、家具、徽标、菜单等。 Jan Tschichold 在他的1928年书中编纂了新的现代印刷原则，他后来否认他在这本书的法西斯主义哲学主张，但它仍然是非常有影响力。 Tschichold ，包豪斯印刷专家如赫伯特拜耳和拉斯洛莫霍伊一纳吉，和El Lissitzky 是平面设计之父都被我们今天所知。 他们首创的生产技术和文体设备，主要用于整个二十世纪。随后的几年看到平面设计在现代风格获得广泛的接受和应用。第二次世界大战结束后，美国经济的建立更需要平面设计，主要是广告和包装等。移居国外的德国包豪斯设计学院于1937年到芝加哥带来了“大规模生产”极简到美国;引发野火的“现代”建筑和设计。值得注意的名称世纪中叶现代设计包括阿德里安Frutiger ，设计师和Frutiger字体大学;保兰德，从20世纪30年代后期，直到他去世于1996年，采取的原则和适用包豪斯他们受欢迎的广告和标志设计，帮助创造一个独特的办法，美国的欧洲简约而成为一个主要的先驱。平面设计称为企业形象;约瑟夫米勒，罗克曼，设计的海报严重尚未获取1950年代和1960年代时代典型。 从道路标志到技术图表，从备忘录到参考手册，增强了平面设计的知识转让。可读性增强了文字的视觉效果。 设计还可以通过理念或有效的视觉传播帮助销售产品。将它应用到产品和公司识别系统的要素像标志、颜色和文字。连同这些被定义为品牌。品牌已日益成为重要的提供的服务范围，许多平面设计师，企业形象和条件往往是同时交替使用。
Structure and function of the MCS-51series Structure and function of the MCS-51series one-chip computer MCS-51is a name of a piece of one-chip computer series which Intel Company produces.This company introduced8top-grade one-chip computers of MCS-51series in1980after introducing8one-chip computers of MCS-48series in1976.It belong to a lot of kinds this line of one-chip computer the chips have,such as8051,8031,8751, 80C51BH,80C31BH,etc.,their basic composition,basic performance and instruction system are all the same.8051daily representatives-51serial one-chip computers. An one-chip computer system is made up of several following parts:(1)One microprocessor of8(CPU).(2)At slice data memory RAM(128B/256B),it use not depositting not can reading/data that write,such as result not middle of operation, final result and data wanted to show,etc.(3)Procedure memory ROM/EPROM (4KB/8KB),is used to preserve the procedure,some initial data and form in slice. But does not take ROM/EPROM within some one-chip computers,such as8031, 8032,80C,etc..(4)Four8run side by side I/O interface P0four P3,each mouth can use as introduction,may use as exporting too.(5)Two timer/counter,each timer/ counter may set up and count in the way,used to count to the external incident,can set up into a timing way too,and can according to count or result of timing realize the control of the computer.(6)Five cut off cutting off the control system of the source. (7)One all duplexing serial I/O mouth of UART(universal asynchronous receiver/transmitter(UART)),is it realize one-chip computer or one-chip computer and serial communication of computer to use for.(8)Stretch oscillator and clock produce circuit,quartz crystal finely tune electric capacity need outer.Allow oscillation frequency as12megahertas now at most.Every the above-mentioned part was joined through the inside data bus.Among them,CPU is a core of the one-chip computer,it is the control of the computer and command centre,made up of such parts as arithmetic unit and controller,etc..The arithmetic unit can carry on8persons of arithmetic operation and unit ALU of logic operation while including one,the1 storing device temporarilies of8,storing device2temporarily,8's accumulation
中英文对照翻译 (文档含英文原文和中文翻译) Policies for Development of Iron and Steel Industry The iron and steel industry is an important basic industry of the national economy, a supporting industry for realizing the industrialization and an intensive industry in technologies, capital, resources and energy, and its development requires a comprehensive balancing of all kinds of external conditions. China is a big developing country with a comparatively big demand of iron and steel in the economic development for a long time to go. China's production capacity of iron and steel has ranked the first place in the world for many years. However, there is a large gap in terms of the technological level and material consumption of the iron and steel industry compared with the international advanced level, so the focus of development for the future shall be put on technical upgrading and structural adjustment. In order to enhance the whole technical level of the iron and steel industry, promote the structural adjustment, improve the industrial layout, develop a recycling economy, lower the consumption of materials and energy, pay attention to the environmental protection, raise the comprehensive competitive capacity of enterprises, realize the industrial upgrading, and develop the iron and steel industry into an industry with
https://www.doczj.com/doc/5110833529.html, 中英文论文参考文献 一、中英文论文期刊参考文献 [1].面向中英文混合环境的多模式匹配算法. 《软件学报》.被中信所《中国科技期刊引证报告》收录ISTIC.被EI收录EI.被北京大学《中文核心期刊要目总览》收录PKU.2008年3期.孙钦东.黄新波.王倩. [2].基于自适应特征与多级反馈模型的中英文混排文档分割. 《自动化学报》.被中信所《中国科技期刊引证报告》收录ISTIC.被EI收录EI.被北京大学《中文核心期刊要目总览》收录PKU.2006年3期.夏勇.王春恒.戴汝为. [3].基于最大熵方法的中英文基本名词短语识别. 《计算机研究与发展》.被中信所《中国科技期刊引证报告》收录ISTIC.被EI 收录EI.被北京大学《中文核心期刊要目总览》收录PKU.2003年3期.周雅倩.郭以昆.黄萱菁.吴立德. [4].中英文指代消解中待消解项识别的研究. 《计算机研究与发展》.被中信所《中国科技期刊引证报告》收录ISTIC.被EI 收录EI.被北京大学《中文核心期刊要目总览》收录PKU.2012年5期.孔芳.朱巧明.周国栋. [5].基于树核函数的中英文代词消解?. 《软件学报》.被中信所《中国科技期刊引证报告》收录ISTIC.被EI收录EI.被北京大学《中文核心期刊要目总览》收录PKU.2013年5期.孔芳.周国栋. [6].基于树核函数的中英文代词消解. 《软件学报》.被中信所《中国科技期刊引证报告》收录ISTIC.被EI收录EI.被北京大学《中文核心期刊要目总览》收录PKU.2012年5期.孔芳.周国栋. [7].一种并行中英文混合多模式匹配算法. 《计算机工程》.被中信所《中国科技期刊引证报告》收录ISTIC.被北京大学《中文核心期刊要目总览》收录PKU.2014年4期.王震.李仁发.李彦彪.田峥. [8].中英文混合文章识别问题. 《软件学报》.被中信所《中国科技期刊引证报告》收录ISTIC.被EI收录EI.被北京大学《中文核心期刊要目总览》收录PKU.2005年5期.王恺.王庆人.
对菲律宾学校辅导员学习观的探索 艾伦 B.I.贝尔纳多著 [摘要]学生学习改革是学校改革的重中之重，辅导员在学生的学习和进步中起着推动作用.然而，辅导员对学习过程有着怎样的理解呢？在这个研究中，我们调查了115个菲律宾学校的辅导员.就学习过程和影响学习的因素，他们对42个州的看法和做法表明了态度.一个对42个州的回应分析报告阐释了三个因素：（F1）社会认知构建主义，（F2）以教师或课程为中心的行为主义，（F3）个别差异.研究的主要成果是菲律宾学校辅导员的学习观对引导并促进学生的学习和进步起着很大影响. [关键词]学习观，学习概念，学校辅导员，学生学习，菲律宾 世界上许多不同地区的学校改革都将重点放在学生学习上.特别是，大多数学校改进项目都将学生能接受高质量的教育和技能作为自己的目标，以帮助学生活跃于当今竞争激烈的全球经济社会（如：Lee & Williams, 2006）.在这方面，学校改革项目吸取了当代一些学习理论和研究（如：Bransford, Brown, & Cocking, 1999; Lambert & McCombs, 1998）.其中中心思想是学校改进的重点应致力于保证学生高质量的学习或接受有明确目标和标准的课程.例如，教科书（Chien & Young, 2007），计算机与教育技术（Gravoso, 2002; Haertnel & Means, 2003; Technology in Schools Task Force, 2003），教育评估体系（Black & Wiliam, 2004; Cheung & Ng, 2007; Clark, 2001; Stiggins, 2005）被重新考虑，因为这些支撑性的技术和资料影响着学生学习的进步.同样地，学校财政资源的管理和分配也被评估，以验证它们是否被充分调动起来促进学生学习.（Bolam, 2006; Chung & Hung, 2006; Retna, 2007） 从这方面来说，一些支持者号召在改革中对学校辅导员进行测试（Herr, 2002）.在美国，House and Hays (2002) 提出学校辅导员在引导学生进步中应扮演积极的领导角色.与此同时，美国学校辅导员协会在1997年倡导，“学校辅导员计划视是为了促进和加强学习过程”.为了回应这个提议，一些人推荐了所谓的最好办法，让学校辅导员全面参与到促进学生学习中来.（如：Rowell & Hong, 2002; Sink, 2005）. 提高学生的学习也是菲律宾学校改革的主题之一（Bernardo & Garcia, 2006; Bernado & Mendoza, 2009）.然而，尽管学校辅导员在学生学习中的作用引起人们的
中英文论文参考文献标准格式 参考文献（即引文出处）的类型以单字母方式标识，具体如下：? [M]--专着,着作? [C]--论文集(一般指会议发表的论文续集，及一些专题论文集，如《***大学研究生学术论文集》? [N]-- 报纸文章? [J]--期刊文章：发表在期刊上的论文，尽管有时我们看到的是从网上下载的（如知网），但它也是发表在期刊上的，你看到的电子期刊仅是其电子版? [D]--学位论文：不区分硕士还是博士论文? [R]--报告：一般在标题中会有"关于****的报告"字样? [S]-- 标准? [P]--专利? [A]--文章：很少用，主要是不属于以上类型的文章? [Z]--对于不属于上述的文献类型，可用字母"Z"标识，但这种情况非常少见? 常用的电子文献及载体类型标识：? [DB/OL] --联机网上数据(database online)? [DB/MT] --磁带数据库(database on magnetic tape)? [M/CD] --光盘图书(monograph on CDROM)? [CP/DK] --磁盘软件(computer program on disk)? [J/OL] --网上期刊(serial online)? [EB/OL] --网上电子公告(electronic bulletin board online)? 很显然，标识的就是该资源的英文缩写，/前面表示类型，/后面表示资源的载体，如OL表示在线资源? 二、参考文献的格式及举例? 1．期刊类? 【格式】[序号]作者.篇名[J].刊名,出版年份,卷号(期号)起止页码.? 【举例】? [1] 周融，任志国，杨尚雷，厉星星.对新形势下毕业设计管理工作的思考与实践[J].电气电子教学学报，2003(6):107-109.? [2] 夏鲁惠.高等学校毕业设计(论文)教学情况调研报告[J].高等理科教育,2004(1):46-52.? ? 2．专着类? 【格式】[序号]作者.书名[M].出版地:出版社,出版年份:起止页码.? 【举例】? [4] 刘国钧,王连成.图书馆史研究[M].北京:高等教育出版社,1979:15-18,31.? [5] Gill, R. Mastering English Literature [M]. London: Macmillan, 1985: 42-45.? 3．报纸类? 【格式】[序号]作者.篇名[N].报纸名,出版日期(版次).? 【举例】? [6] 李大伦.经济全球化的重要性[N]. 光明日报，1998-12-27(3).? [7] French, W. Between Silences: A Voice from China[N]. Atlantic Weekly, 1987-8-15(33).?
英文参考文献的格式 英文(例子)： [01] Brown, H. D. Teaching by Principles: An Interactive Approach to Language Pedagogy[M]. Prentice Hall Regents, 1994. [02] Brown, J Set al. Situated Cognition and the Culture of Learning[J]. Educational Reasercher, 1, 1989. [03] Chris, Dede. The Evolution of Constructivist Learning Envi-ronments: Immersion in Distributed Virtual Worlds[J]. Ed-ucational Technology, Sept-Oct, 1995. [04] Hymes, D.On communicative competence[M]. J. B. Pride; J. Holmes (eds). Sociolinguistics. Harmondsworth: Penguin, 1972. [05] L. E. Sarbaugh. Intercultural communication[M]. New Brunsw-ick, N.J.U.S.A: Transaction Books, 1988. [06] Puhl, A.. Classroom A ssessment[J]. EnglishTeaching Forum, 1997. [07] Thomas, Jenny. Cross-cultural Pragmatic Failure[J]. Applied Linguistics, 1983, (4): 91-111. [08] William B Gudykunst. Intercultural communication theory[M]. Beverly Hills, CA: Sage Pub, 1983. 1