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专利名称:一种含有可逆自由基型动态共价键的杂化动态聚合物及其应用
专利类型:发明专利
发明人:不公告发明人
申请号:CN201911250608.9
申请日:20191209
公开号:CN111378183A
公开日:
20200707
专利内容由知识产权出版社提供
摘要:本发明公开了一种含有可逆自由基型动态共价键的杂化动态聚合物,其中含有至少一种可逆自由基型动态共价键和至少一种氢键作用;基于可逆自由基型动态共价键和氢键作用的动态可逆特性,赋予所述杂化动态聚合物材料良好的自修复性能、可再加工性能以及可回收性能等,使其广泛应用于自修复材料、韧性材料、形状记忆材料、保温材料、玩具材料、储能器件材料、有机热敏材料、温度感应材料等。
申请人:翁秋梅
地址:363000 福建省漳州市芗城区东铺头街道延安北路花园大厦15层D室
国籍:CN
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SOLUTION佚名【期刊名称】《环球供应链》【年(卷),期】2006(000)006【摘要】“国六条”吹响新一轮地产调控号角;美联储连续第16次加息;冲码ERP开启绿色巡展;Intermec携手中远网络;泰科安防与消费同新视韦尔合资;斑马公司在沪成立配送中心和维修中心……【总页数】3页(P8-10)【正文语种】中文【中图分类】F293.35【相关文献】1.Modification to solution-diffusion model for performance prediction of nanofiltration of long-alkyl-chain ionic liquids aqueous solutions based on ion cluster2.Modification to solution-diffusion model for performance prediction of nanofiltration of long-alkyl-chain ionic liquids aqueous solutions based on ion cluster3.POSITIVE SOLUTIONS AND INFINITELY MANY SOLUTIONS FOR A WEAKLY COUPLED SYSTEM4.Periodic Wave Solutions and Solitary Wave Solutions of the (2+1)-Dimensional Korteweg-de-Vries Equatio5.Switching Study of Tafluprost/Timolol Fixed-Combination Ophthalmic Solution, Following Unfixed Combination of Tafluprost Ophthalmic Solution 0.0015% and Timolol Ophthalmic Gel-Forming Solution 0.5%因版权原因,仅展示原文概要,查看原文内容请购买。
专利名称:一种基于深度学习的低温传感器的高精度温度预测方法
专利类型:发明专利
发明人:刘景全,刘辉东,林祖德,龚勋,尤敏敏,李艳杰
申请号:CN202210104020.8
申请日:20220128
公开号:CN114444662A
公开日:
20220506
专利内容由知识产权出版社提供
摘要:本发明提供一种基于深度学习的低温传感器的高精度温度预测方法,该方法包括:获取低温传感器的温度与电阻对应关系的数据集;利用切比雪夫多项式和归一化法对所述数据集进行预处理,得到处理后数据集;构建深度学习模型,调节超参数后,将所述处理后数据集分段形成低温区和高温区,所述低温区与所述高温区有重叠区间,并对所述处理后数据集进行训练;根据训练结果预测温度值。
本发明通过深度学习方法与切比雪夫多项式结合,能够提高低温传感器的温度预测精度。
申请人:上海交通大学
地址:200240 上海市闵行区东川路800号
国籍:CN
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FHF Funke + Huster FernsigMining SolutionsCommunication systems for miningMONITORING & CALIBRATION• Gas monitoring systems• Power shut down systems when CH4 > 1.5%• Remote calibration systems for sensors • Automation system for air gatesDATA COMMUNICATION• Data communication systems via copper cable • Data communication systems via fiber optics • Data communication systems via Profibus DP • Data communication systems via EthernetAUTOMATION & REMOTE CONTROL• Automation systems for main pump systems • Automation systems for main cooling systems • Automation systems for high pressure pump systems• Automation and intercom systems with stop and interlocking for belt conveyors • Intercom systems with stop and interlocking for chain conveyors • Remote control systems for shield support transport • Remote control systems for monorail transport systemsSHAFT & VERTICAL• Shaft signaling, communication and control system for cage and skip winder • Mine radio systems for vertical and inclined shafts • Mechanical shaft knocker system • Retractable guide rail systems • Decking process system for cages • Loading and unloading systems for skips • Mine car circulation system with rotary tippler • Rope force measurement system for skip and cage • Signaling system for shaft sinking process • Remote control radio system for grab cranes• Cascade dewatering system for the shaft sinking phase• Signaling system for emergency hoisting winch / platform hoisting winchRESCUE• Powerless telephone system for rescue teamsHAULAGE• Monitoring systems for rail haulage • Automation system for rail switch • Mine radio system for rail haulageA powerful transformationThe Funke + Huster Fernsig (FHF) brand is evolving. Our products, part of Eaton’s Crouse-Hinds' portfolio, are now united with Eaton’s leading range of reliable, efficient and safe electrical powermanagement solutions. Combined, we provide the world’s largest portfolio of electrical equipment for explosive, classified and industrial areas. With unsurpassed product reliability and quality, industry-leading innovation and product efficiency, and products designed and certified for global specifications, Eaton’s Crouse-Hinds' solutions, including FHF products, set the standard for safety in high consequence harsh and hazardous environments.Rely on the names you trust for the safety you needFHF has a new look as Crouse-Hinds by Eaton, but the products and technologies you trust remain unchanged. With over a century of experience in harsh and hazardous areas, you can rely on Eaton’s Crouse-Hinds Business for communication and signaling solutions designed for large scale mining projects.Discover today’s EatonWith more than 100 years of experience in electrical powermanagement, we have the expertise to see beyond today. Fromgroundbreaking products to turnkey design and engineering services, critical industries around the globe count on Eaton.Eaton’s electrical business offers end-to-end solutions to better • Meet the demands of new construction projects • Modernize aging infrastructure • Manage energy consumption • Protect people, equipment and dataWe work closely with our customers to understand and solve the challenges they face today and those that come tomorrow. Our proven technologies increase productivity, reduce energy consumption and help us all build a more sustainable world.At Eaton, that’s how we’re powering business worldwide.Mining solutions2EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsContentsIntrinsically safe shaft signaling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 Integrated electrical equipment for shafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Intrinsically safe mine radio system for shafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Intrinsically safe computer Z51-ZM22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Gas monitoring system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Intrinsically safe computer with Profi bus multiplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Intrinsically safe computer with optical switch module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Optical transport system OTS01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Intrinsically safe data communication systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Intrinsically safe telephone iVT3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Intrinsically safe alarm telephone system TA1 with alarm computer ATAR . . . . . . . . . . . . . . . . 15 Loudspeaker systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-19 L111 loudspeaker system for voice communication and signaling . . . . . . . . . . . . . . . . . . . . . . 17 L112 loudspeaker system with emergency drive stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 L120 Loudspeaker system with stop and interlocking for the drives . . . . . . . . . . . . . . . . . . . . . 193 EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsFeaturesIntrinsically safe shaft signaling system• Independent telephone system, power supply of the accumulators for telephones from surface • Emergency signal and interlock system with safety coupler as separate safety circuit • Loudspeaker system for voice and signaling transmission • Intrinsically safe data communication system • Profibus DP 93,75 kBd via copper cable • Data communication system with Profibus DP 12 MBaud via fibre optic cable • Sensors and actors for loading and dumping process in underground and surface • Shaft cable with intrinsically safe circuits for signals, communication and process datatransmission between surface and underground • In the event of main power failure, loudspeaker and telephone systems stay operationalIntrinsically safe shaft signaling system5EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsFeaturesIntegrated electrical equipment for shaftsSignaling system for skip winder• Integrated electrical equipment for shafts with intrinsically safe subsystems for signaling, mine radio, shaft knocker and charging/discharging6EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsFeatures Signal and voice communication between cage and hoistmanWinding Machine StationCage StationIntrinsically safe radio system for shafts• Frequency 27/35 MHz, 21 channels (5 operating channels), duplex voice and data transmission • Transmission power 50 mW/channel,transmission with leaky feeder or antennas• Modular design, serial transmission 2.4 kbd, FFSK, hamming distance D=4, UART frames • Master/slave function, parallel and serial interface (Profibus DP)• Signals from/to cages• Single stroke, emergency, destination keys, startto move, lock switch, limit switch, door switch,slack rope switch• Analogue signal for rope tension• Depth indication in the cage• Total voice communication in the shaft7EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsIntrinsically safe micro computer Z51-ZM-22 QViS – visualization system for HMI systemsand PC panelsGraphical user interfaces for HMI and PC systemswith integrated control panel software or drivers forexternal control systems.Features• 32 bit operating system• Optimized network controller• Universal communication platform• Migration strategy from fieldbus to real-time Ethernet • Single-processor solution withintegrated communication controllers• Open technology for application• Real time kernel• IEC 61131 programming system:Multiprog 5.0System architecture withintegrated network controlfor faster data transferFeaturesGas monitoring system• Modular system with digital/analogue modules • Data bus via copper cable (twisted pair) or fiber optic ring • Modems 1.2 kbd, 4.8 kbd, 19.2 kbd• Distances up to 20, 14, 8.5 km (Cu - PE Isolation)• Low power consumption of outstations • Easy to configure outstations • Line monitored digital inputs• Cyclic check with analogue reference value • UPS for the outstations• Separate local fieldbus for power shut down function • Redundant power shut down stations • Output relay contacts for energy shut down function • Remote calibration commands from surfaceT ransmission of measured values continues even with power outageIS data communication system ZM51T ransmits data for methane, carbon monoxide, dust concentrations and air velocity9EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsOPBM04 - FeaturesZ51-AB22 - FeaturesZ51-ZM22 - FeaturesIntrinsically safe data communications via Profibus DP• Optical Profibus RS 485 multiplexer • 4x RS485; for example Profibus DP • Redundant fibre optic lines transmission rate max. 4x 187.5 kbit/s • Transmission half duplex, fiber single mode 9/125 μm • Bidi version available, optical budget 17dB • LWL connector E2000 or SC (Bidi)• Transmission distance:> 15 km (0.4 dB/km)• Wavelength 1300 nm or 1310/1500 nm (Bidi)• Line length according to Profibus • I M1 Ex ia I Ma• TFT display, LED backlight • Resolution: 640 x 480 (pixels)• 5.7 inch LCD module • 262 K colors• Response time: 18 ms• Power supply: 5 V • Power consumption: 1.8 W • Visualization system QViS • Connector for Z51-ZM22• 32 bit operating system • ZM51 I/O bus connector • Power supply 5 VDC • 1x serial RS232 interface • CAN 2.0 interface (optional)• Profibus DP interface (Slave)• Profibus DP interface (Master)• 2x Ethernet – TCP/IP interface • Connector for TFT color display • IEC 61131 programming system Multiprog 5.0Via copper or fiber optic cable with optical Profibus RS485 multiplexer10EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsOSM01 - Features FeaturesIntrinsically safe data communications via Ethernet TCP/IP• Managed Ethernet ring switch• 6x 10/100TX (RJ45) + 2x 100FX (E2000)• IEEE 802.3 10Base-T, 802.3u 100Base-Tx/1000Base-Fx• RJ45 Auto MDI/MDI-X function• Bidi optic (available)• Store and forward switching architecture • Power supply 5 VDC• Web management GUI• IGMP• SNTP/SMTP• VLAN / 802.1 Q Tag VLAN• DHCP Client• SNMP, web management, RMON• Optical budget: 17dB• Optical connectors E2000• Distance: > 15 km• Wavelength: 1310 nm• Alarm contact• Single mode: 9/125 μm• Temperature: -20°C to +55°C• I M1 Ex ia op is I MaVia copper and fiber optic cablewith managed Ethernet ring switchFeaturesOptical transport system OTS01• Intrinsically safe optical transport system OTS01 for communication of production data to thesurface dispatcher system• Supply with 127 VAC / 12 VDC• IS power supply dNG3• Ex / non Ex - separation of the IS substation with media converter• 10/100Base – TX to 100Base-FX• Auto – negotiation 10/100MBit/s at the TP Port • Auto MDI/MDI-X crossover at the TP Port • Single mode 9/125 μm, Wavelength: 1310 nm, transmission path: 20 km, opticalconnection E2000, 8º angle polishconnector• Optical switch dOS01 up to 8 optical (Ethernet/ TCP/IP) communicationconnection• Internal 8 port Ethernet switch with up to 6 copper ports and 2 fibre optic ports• 8 port managed• Power supply: 127 VAC12EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining Solutionsdata communication systemEATON'S CROUSE-HINDSFeaturesIntrinsically safe telephone iVT3• Using corresponding telephone couplers, this fully intrinsically safe analogue telephone is equipped with comfort features, alarm andemergency call function, and is usable as a local battery phone in shaft applications • Analogue telephone with tone (DTMF) dial function, dial from phone book, redial function • Access/lock with pin, hands-free mode, open listening, break-key, terminal function • Flash key, two different output contacts(optocoupler) for actuation of additional optical or acoustical signaling devices for call signal or alarm signal • Output for external loudspeaker (call signal, alarm announcement), input for external • Output for intrinsically safe signal (blink) light iBL1Display with menus (German/English)Power Supplybattery module: 15AhAccumulator module: 1.1AhMenu function keysRobust handset featuring armouredor spiral cord14EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsFeaturesIntrinsically safe alarm telephone system TA1• ATAR with operating system SuSE-Linux version10.0• Graphic-based user menu KDE version 3.4, LINUX Kernel 2.6.13• TCP/IP connection of one client with two servers • Each server manages up to 240 alarm telephones • Transmission of alarm announcements using TCP/ IP connection by audio streaming • Intrinsically safe telephone circuitscorresponding to category/explosionprotection mode I M1 EEx ia I• Transmission of alarm announcements to all, to groups or to single alarm telephones • Transmission of pre-defined alarmannouncements, recording of alarm events, of cyclic telephone battery check andmeasure of the subscriber line quality• Emergency call detection processing andrecording15 EATON'S CROUSE-HINDS FHF Funke + Huster Fernsig - Mining SolutionsLoudspeaker systems for haulage equipmentL111, L112 & L120Features• Voice communication, signaling and pre-startwarning along conveyors on faces and roadwaysas well as the stopping and interlocking of thedrive installations to prevent restarting• Modular system design• Robust technology• Integrated stop switches with encoding unit for identification• Connection of external misalignment switches or pull rope switches• Tones for stop function, pre-start warning and line faults• Power supply 12 VDC; supply range 8–12 VDC• LF connection to surface• Serial interfaces of the main unit• Charge – LED• Accumulator 8.4 V• High volume 105 dB(A)• Good intelligibility• Push to talk button, signal button, central unit call button• LF transmission level -6 dB• Adjustable volume• Adjustable microphone• Loudspeaker testing capability• Diagnosis• Line monitoring• Monitoring by < 8 VDC• ATEX Ex I M1/M2 SYST EEx ia/ib I• GOST POCC DE. ME 92.B02053• GOST POCC DE. ME 92.B02013Fernsig - Mining SolutionsFeaturesLoudspeaker system L111for voice communication & signaling• Modular system design • Robust technology • Four wire system line • Polarity interchangeable • Tones for stop, pre-start warning and cable failure • Variable pre-start warning tones • Power supply: 12 VDC • Supply range: 8–12 VDC • Line monitored by ≥8 VDC • Charge-LED• Accumulator: 8.4 V , 200 mAh • High volume: 105 dB(A)• Good intelligibility• Push to talk button, signal button, central unit call button • LF transmission level: -6 dB • Adjustable volume • Adjustable microphone • Line monitoring• Plug and play connectors •LF connection to surface• Voice communication, signaling and pre-start warning along chainconveyors, on faces and belt conveyors, on roadways, as well as emergency shut down function of the drive • Integrated stop switch in LV30S • Integrated encoding circuit for identification • Connection of up to 2 external misalignmentswitches or pull rope switches • Power supply: 12 VDC • Supply range: 8-12 VDC • Line monitored by 8 V Charge-LED • Accumulator: 8.4 V , 200 mAh • Communication interfaces • High volume 105 dB(A) good intelligibility • Push to talk button,signal button, central unit call button • LF transmission level: -6 dB • Adjustable volume • Adjustable microphone • Line monitoring • Plugable connectors • LF connection to surfaceFeaturesLoudspeaker system L112with emergency drive stop• Voice communication, signaling and pre-startwarning along conveyors, on faces and roadways, as well as the stopping and interlocking of drive installations to prevent restarting • Modular system design • Robust technology• 8 pole pluggable connectors • Tones for stop function, pre-start warning and line faults • Power supply: 12 VDC Supply range: 8-12 VDC • Maximum number ofcomponents per system: 125• LF connection to surface • Serial interfaces Profibus/TCP/IP of the main unit • Charge – LED• Accumulator: 8.4 V , 1100 mAh• High volume: 105 dB(A) and good intelligibility • Push to talk button, signal button, central unit call button, info button • LF transmission: level -6 dB • Adjustable volume • Adjustable microphone • Switch monitoring diagnosis • Line monitoring: monitored by ≥8 VDCFeaturesLoudspeaker system L120with stop and interlocking of the drivesMain stationF HF Bergbautechnik GmbH & Co. KGEintrachtstr. 95D-42551 Velbert, Germany +49 2051-270-0FAX: +49-2051-270-366**************www.fhf-bt.deEaton is a registered trademark.All other trademarks are property of their respective owners.Eaton1000 Eaton Boulevard Cleveland, OH 44122United States Eaton’s Crouse-Hinds business 1201 Wolf Street Syracuse, NY 13208United States © 2014 EatonAll Rights Reserved Printed in USAPublication No. 5135-0614June 2014India91-124-4683888FAX: 91-124-4683899cchindia@Australia61-2-8787-2777FAX: 61-2-9609-2342CEASales@Korea82-2-3484-678382-2-3484-6778CCHK-sales@China86-21-2899-3600FAX: 86-21-2899-4055cchsales@ Singapore 65-6645-9888FAX: 65-6297-4819chsi-sales@ Middle East (Dubai)971 4 4272500FAX: 971 4 H.me@ Europe (Germany)49 (0) 6271 806-50049 (0) 6271 H.de@ Mexico/Latin America/Caribbean:52-555-804-4000FAX: 52-555-804-4020mxmercadotecnia@ CanadaToll Free: 800-265-0502FAX: (800) 263-9504FAX Orders only: (866) 653-0645U .S. (global headquarters):Eaton's Crouse-Hinds business 1201 Wolf Street Syracuse, NY 13208(866) 764-5454FAX: (315) 477-5179FAX Orders Only: (866) 653-0640crouse.customerctr@ 。
专利名称:用于冻干的低温制冷系统专利类型:发明专利
发明人:A·程
申请号:CN200710182133.5
申请日:20070907
公开号:CN101140126A
公开日:
20080312
专利内容由知识产权出版社提供
摘要:一种用于冻干的低温制冷系统,包括:低温换热器系统,其适合于使液体制冷剂蒸发和利用气体制冷剂来冷却传热流体;第一循环回路,其与低温换热器系统处于流体联接,适合于冷却具有传热流体的冻干室;第二循环回路,其与低温换热器系统处于流体联接,适合于冷却具有传热流体的冷凝器;和一个或多个阀,其以可操作的方式连接低温换热器系统、第一循环回路和第二循环回路。
申请人:普莱克斯技术有限公司
地址:美国康涅狄格州
国籍:US
代理机构:中国专利代理(香港)有限公司
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大金美国公司建氟弹性体实验室(日本)
佚名
【期刊名称】《有机硅氟资讯》
【年(卷),期】2002(000)005
【总页数】1页(P22)
【正文语种】中文
【中图分类】TQ333.93
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4.Viton(R)氟弹性体系列专题讲座(四)新型氟弹性体在航空密封领域内的应用进展(下) [J], 肖风亮
5.日本大金、道康宁合作发展氟硅酮 [J],
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专利名称:一种导热石墨烯-高分子复合薄膜、制备方法及其应用
专利类型:发明专利
发明人:丁鹏,崔思奇,宋娜,施利毅
申请号:CN201910589115.1
申请日:20190627
公开号:CN110734560A
公开日:
20200131
专利内容由知识产权出版社提供
摘要:本发明公开了一种导热石墨烯‑高分子复合薄膜,其由以下组分制成:石墨烯为10%~30%,纳米纤维素为35%~45%,聚乙二醇为35%~45%。
本发明还公开了其制备方法为:将制得的石墨烯分散液、纳米纤维素分散液和聚乙二醇分散液以一定的重量比混合搅拌均匀,然后超声0.5~1h,得到浓度为1~5mg/mL的石墨烯‑纳米纤维素‑聚乙二醇混合液;将石墨烯‑聚乙二醇‑纳米纤维素混合液置于真空干燥箱中,在室温下真空环境中静置1~2h,脱出混合液中存在的气体,再将液体倒在模具里置于烘箱中,于40~50℃的条件下干燥12~24h,即可得到导热石墨烯‑高分子复合薄膜。
本发明的制备方法工艺简洁、易于产业化;所制得的复合薄膜具有柔韧性,高横向导热率及热驱动的形状记忆性能,可应用于智能化产品的制造。
申请人:上海大学
地址:200444 上海市宝山区上大路99号
国籍:CN
代理机构:广州高炬知识产权代理有限公司
代理人:孙明科
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专利名称:固态电化学组件、固态电化学装置及其制备方法专利类型:发明专利
发明人:郭展图,弗朗切斯科·丘奇,袁铭辉,陆子恒
申请号:CN201910502091.1
申请日:20190611
公开号:CN110581303A
公开日:
20191217
专利内容由知识产权出版社提供
摘要:本发明提供了一种固态电化学组件、固态电化学装置及其制备方法。
所述固态电化学组件包括固态电化学功能层以及与固态电化学功能层物理接触的塑晶夹层,所述塑晶夹层包含塑晶基质以及分散在所述塑晶基质中的离子导电化合物和添加剂。
本发明的组件、固态电化学装置及其制备方法改进了电极‑固态电解质之间的界面电阻。
申请人:香港科技大学
地址:中国香港九龙清水湾
国籍:HK
代理机构:北京天昊联合知识产权代理有限公司
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专利名称:一种柔性表面增强拉曼基底及其制备方法和应用专利类型:发明专利
发明人:金浩宇,石琳,浮钰,陈秋兰,陈建
申请号:CN201910770252.5
申请日:20190820
公开号:CN110501322A
公开日:
20191126
专利内容由知识产权出版社提供
摘要:本发明公开了一种柔性表面增强拉曼基底及其制备方法和应用。
制备方法包括如下步骤:将CTAB溶液、HAuCl溶液和NaBH溶液混合静置得到金种子溶胶,与CTAB溶液、HAuCl溶
液,AgNO溶液、HCl溶液和AA溶液混合静置得到金纳米棒溶胶,与4‑MBA乙醇溶液和1‑DT乙醇溶液混静置改性金纳米棒溶胶得到修饰后的金纳米棒分散液,将金纳米棒分散液截留在PVDF滤膜上制备得到柔性表面增强拉曼基底。
本发明的金纳米粒子经过4‑MBA和1‑DT的改性对葡萄糖的特异性增大,避免了体液中其他杂质的干扰,PVDF滤膜具有一定的疏水性且机械强度较高,对葡萄糖的检测限为10~10,具有很好的检测效果。
申请人:广东食品药品职业学院
地址:510640 广东省广州市天河区龙洞北路321号
国籍:CN
代理机构:广州粤高专利商标代理有限公司
代理人:苏晶晶
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a r X i v :h e p -t h /0301114v 4 30 A u g 2006q -DEFORMED KINK SOLUTIONSA.F.de Lima (a )and R.de Lima Rodrigues (b )∗(a )Departamento de F´ısica,Universidade Federal de Campina GrandeCampina Grande,PB -58.109-970–Brazil(b )Centro Brasileiro de Pesquisas F´ısicas,Rua Dr.Xavier Sigaud,150Rio de Janeiro-RJ-22290-180,BrazilAbstract The q -deformed kink of the λφ4−model is obtained via the normalisable ground state eigenfunc-tion of a fluctuation operator associated with the q -deformed hyperbolic functions.From such a bosonic zero-mode the q -deformed potential in 1+1dimensions is found,and we show that the q -deformed kink solution is a kink displaced away from the origin.Keywords:q-deformed kink;hyperbolic functions;kink solutions;fluctuations operator PACS numbers:11.30.Pb,03.65.Fd,11.10.EfE-mail to RLR rafaelr@cbpf.br or rafael@.br,and to AFL aerlima@.br.To appear in International Journal of Modern Physics A [Particles and Fields;Gravitation;Cosmology;Nuclear Physics],Vol.21,No.17(2006)3605-3613.*Permanent address:Unidade Acadˆe mica de Ciˆe ncias Exatas e da Natureza,Universidade Fed-eral de Campina Grande,Cajazeiras,PB,58.900-000,Brazil.I.INTRODUCTIONThe kink of a scalar potential in1+1dimensions is a static,non-singular,classically stable and afinite localized energy solution of the equation of motion,which can be in topologically stable sectors[1].In a recent lecture[2],an investigation on the topological defects starting with the simplest case of domain walls was presented,and then considerations to more elaborate and realistic models were put forward.In the present letter,one works with the algebraic technique of the supersymmetry in quantum mechanics(SUSY QM)formulated by Witten[3,4,5],which is associated witha second order differential equation for the q-deformed hyperbolic functions given in Ref.[6].Recently,the q-deformed hyperbolic function was used to construct a newη−pseudo-Hermitian complex potential with PT symmetry[7].Other potentials like Rosen-Morse well, Scarf,Eckart and the generalized P¨o schl-Teller were constructed via shape invariance[8].The stability equation for topological and non-topological solitons has been approached in the framework of SUSY QM[9,10,11,12,13,14].In this letter,the interesting program of proposing a new potential model in1+1dimen-sions,whose essential point is associated with the translational invariance of the q-deformed kink solutions,is investigated.We show that using the q-deformed hyperbolic functions which were introduce by Arai[6],the q-deformed kink solution,is actually the known kink, displaced away from the origin of the x-axis.II.SOLITONS IN1+1DIMENSIONSConsider the Lagrangian density for a single scalarfield,φ(x,t),in(1+1)-dimensions,in natural system,given byL(φ,∂µφ)=1−d2dφV(φc)=0,˙φc=0,(2)cwith the following boundary conditions:φc(x)→φvacuum(x)as x→±∞.Since the potential is positive,it can be written as1V(φ)=2 ∞−∞ (φ′)2+U2 dx1=U[φ(x)] =W12,(5)∂xunder the well-known Bogomol’nyi condition for the kink solution,dφW(φ)=U(φ).(7)∂φThe Bogomol’nyi mass bound of the energy result in a topological charge it is given by W12=W[φ2]−W[φ1],whereφ1andφ2represent the vacuum states.III.STABILITY EQUATIONThe classical stability of the soliton solution is investigated by considering small pertur-bations around it,φ(x,t)=φc(x)+η(x,t),(8)where we expand thefluctuations in terms of the normal modes,η(x,t)= nǫnηn(x)e iωn t,(9) with theǫ′n s chosen so thatη(x,t)is real.A localized classical configuration is said to be dynamically stable if thefluctuation does not destroy it.The equation of motion becomes a Schr¨o dinger-like equation,viz.,d2O Fηn(x)=ωn2ηn(x),O F=−√2e x−qe−xsinh q(x)=cosh q(x)1sech q(x)=ddx sinh q(x)=cosh q(x)ddxsech q(x)=−tanh q(x)sech q(x)tanh2q(x)+qsech2q(x)=1.(14) The q-deformed potential term provides afluctuation operator,so that their eigenvalues satisfy the conditionωn2≥0,and the ground state associated to the zero mode(ω20=0)is given byη(0)(x;q)=Nsech2q m2x ,(15) where N is the normalization constant.Thus,the stability of the Schr¨o dinger-like equation is ensured.The potential model we are now going to study presents translational invariance,then, the bosonic zero-mode eigenfunction of the stability equation is related with the kink byφq(x)= xη(0)(y;q)dy,(16) so that,a priori,we mayfind the static classical configuration by afirst integration.There-fore,the potential modelV(φ;q)=1dxφ(x;q) 2(17)yields a class of q-deformed scalar potentials,V(φ)=V(φ;q),which have exact solutions.Expressing the position coordinate in terms of the kink,i.e.x=x(φk),then,from(15) and(16)we obtain the q-deformed kinkφ(x;q)=m√V(φ;q)=λ2q2λ2q22,W(φ;q)=λq21λ2q2φq .(19)It represents a well-behaved potential energy.Note that the q-deformedφ4model has a discrete symmetry asφq→−φq but it is spontaneously broken for the vacuum state by theexistence of two degenerate vacua:φ1=mqλ.(20)The fact that the energy isfinite is ensured because the kink by the behavior of the approaches one of the vacuum solutions at±∞.In the q-deformedφ4model there are four topological sectors,which are represented by two spacesΓ1andΓ2containing the q-deformed vacuum solutionsφ1andφ2and two spacesΓ3andΓ4containing the kink and the anti-kink solutions.The energy density of the q-kink is given byǫ(x)=12λ2sech4q m2x .(21)Therefore,the kink mass or the so-called classical mass of the pseudoparticle is given byM cl= +∞−∞ǫ(x)dx=√3 m32ǫµν∂ν˜φq,˜φq=qλ2[limx→+∞˜φq(x)−limx→−∞˜φq(x)]=1,(24)which does not generate symmetries of the Lagrangian density and,therefore,Q is not a Noether charge.However,this charge is absolutely conserved,drepresents stable particle-like states.Thus,the q -kink states can not decay by quantum tunneling into the vacuum.From the q -deformed potential,one then obtains the supersymmetric formV −(x ;q )=W 2q (x )+W ′q ,(25)where the prime mean a first derivative with respect to the argument,and W q (x )=−U ′q (φk )is the q -deformed superpotential associated to the q -kink solution.Thus,the bosonic and fermionic sector fluctuation operators are respectively given byO F −=−d 2dx 2+W 2q −W ′q ,(26)where W q (x )=−√√√√q-deformed hyperbolic ones by a simple translation of the variable x→x−a,with a=ℓn √λe−2a tanh m2(x−a) and±m,which is also shown in Fig.1.qλThis particular choice of the q−deformation parameter means that we can map a q-deformed system into one with a simple translation.It is worth to call the attention to the fact that this new translated system is also a q-deformed system by the initial correspondence we have established.All that we have done was to shown that it is possible tofind a suitable choice of the parameter in order to describe the q−deformed one terms of a pure translation.Finally,it is important to pointed out that one can extend our approach to3+1dimen-sions.Indeed,the present work opens a new route for future investigations on domain walls [2]from q−deformation of potential model in terms of coupled scalarfields.For instance, let us point out that our approach can be applied from two[15,16]and three[17]coupled scalarfields,where in both cases the soliton solutions only depend on z but not on x and y.AcknowledgmentsRLR wishes to thanks the staffof CBPF and UACEN-CFP-UFCG for facilities.This research was supported in part by CNPq(Brazilian Research Agency).RLR is gratefulto Prof.J.A.Helayel-Neto and Prof.M.A.Rego-Monteiro for fruitful discussions.The authors would also like to thank A.Arai and S.-C.Jia for the kind interest in pointing out relevant references on the subject of this paper.[1]R.Rajaraman,Solitons and Instantons,(North-Holland,Amsterdam,1982).[2]T.Vachaspati,Domain wall solutions,hep-th/0211109,Lectures at NATO ASI”Patternsof symmetry breaking”,Cracow,September2002;T.Vachaspati,Phys.Rev.D69,043510 (2004).[3] E.Witten,Nucl.Phys.B185,513(1981).[4]L.´E.Gendenshtein,JETP Lett.38,356(1983);C.V.Sukumar,J.Phys.A:Math.Gen.18,2917(1985);L.´E.Gendenshtein and 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