Q-TGA介绍
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1. 媒体( Medium )在计算机领域中有两种含义,一是指用以存储信息的实体,如磁带、磁盘、光盘和半导体存储器;一是指信息的载体,如数字、文字、声音、图形和图像。
多媒体技术中的媒体是指后者。
2. 多媒体( Multimedia )多媒体译自英文的"multimedia" ,multimedia 是20 世纪80 年代初产生的一个英文名词。
1976年首次用到"Multiple Media" 一词,其中"Multiple"的意思是明确的,是"多"的意思,"Media"是"Medium"的复数形式。
多媒体是指多种媒体信息,如数字、文字、声音、图形、图像、视频和动画等。
到了80 年代就把这两个词复合成"multi-media" ,用得多了之后就写成"multimedia" 。
与multimedia 对应的一词是mono media,其中mono是"单一"的意思。
3. 多媒体计算机技术( Multimedia Computing)计算机综合处理多种媒体信息:文本、图形、图像、音频和视频,使多种信息建立逻辑连接,集成为一个系统并具有交互性。
简单地说:(1) 计算机综合处理声、文、图信息;(2) 具有集成性和交互性。
4. CD-l(Compact Disc-I nteractive)系统早期卓有成效的多媒体计算机系统之一。
由Philips/Sony 公司研制开发,1986年4月在光盘国际会议首次公布和演示了基本的CD-I 系统,受到好评,同时还公布了CD-ROM 文件格式,这就是以后的ISO 标准。
CD-I 音频系统采用ADPCM 压缩编码方法,CD-I 视频子系统采用了一维DYUV 编码、RGB 5:5:5 编码、CLUT(Color Look-Up Table)编码及一维行程编码。
和老外聊天、发邮件常用英语缩写邮件里常用的四个英文缩写CC,FYI,ASAP,RESEND1. CC 抄送Literal meaning: Carbon Copy. When used in an e-mail, it means t o send a copy of the e-mail to someone else.Hidden meaning: If you are on the CC list, you may simply read t he e-mail. You're not always obligated to reply. But if an e-mail s ent to you has your boss' e-mail on the CC list, watch out. When the boss is involved, you'd better take the e-mail more seriously. 2. FYI 供你参考Literal meaning: For your information.Hidden meaning: By adding "FYI", the sender indicates that the e-mail contains information that may be valuable to your company or job responsibilities.3. ASAP / urgent 紧急文件Literal meaning: As soon as possible.Hidden meaning: When you see "ASAP" or "urgent" in an e-mail or document, you should quickly carry out the e-mail's orders.4. RESEND! 重传Literal meaning: Please resend your reply to me.Hidden meaning: "I haven't received your reply. I don't have much time. Please hurry." You might get such a message from someonewho sent you an e-mail, to which you've yet to reply.others:数字:2 = to/too2B or not 2B = To be or not to be4 = for4ever = foreverA:ASL = Age/Sex/LocationAFAIC = As Far As I’m ConcernedAFAIK = As Far As I KnowAFK = Away From KeyboardAIAMU = And I’m A Monkey’s UncleAISI = As I See ItAKA = Also Known AsAMBW = All My Best WishesANFAWFOWS = And Now For A Word Word From Our Web Sp onsorAOTS = All Of The SuddenASAFP = As Soon As "Friggin" PossibleASAP = As Soon As PossibleATST = At The Same TimeAWGTHTGTTA = Are We Going To Have To Go Through This AgainAWGTHTGTTSA = Are We Going To Have To Go Through This Sh AgainAYSOS = Are You Stupid Or SomethingB:B4 = BeforeB4N = Bye For NowBBFBBM = Body By Fisher, Brains by MattelBBIAB = Be Back In A BitBBIAF = Be Back In A FewBBL = Be Back LaterBBN = Bye Bye NowBCNU = Be Seein’ YouBF = BoyfriendBFD = Big Fing DealBFN = Bye For NowBHOF = Bald Headed Old FartBIF = Basis In FactBITD = Back In The DayBiz = BusinessBM = Byte MeBMOTA = Byte Me On The AssBNF = Big Name FanBOHICA = Bend Over Here It Comes Again BR = Best regardsBRB = Be Right BackBRT = Be Right ThereBS = Big SmileBT = Byte ThisBTDT = Been There Done ThatBTSOOM = Beats The Sh Out Of Me BTW = By The WayBTWBO = Be There With Bells On BWDIK = But What Do I Know?BWO = Black, White or OtherC:Cam = Web CameraCIAO = Goodbye (in Italian)CID = Consider It DoneCIS = CompuServe Information Service CMF = Count My FingersCof$ = Church of ScientologyCRAFT = Can’t Remember A Fing Thing CRAWS = Can’t Remember Anything Worth A Sh CSL = Can’t Stop LaughingCTC = Choaking The ChickenCU = See YouCUL/CYL/CUL8R = See You LaterCWYL = Chat With You LaterCYA = Cover Your AssD:DBEYR = Don’t Believe Everything You Read DD = Due DiligenceDDD = Direct Distance DialDETI = Don’t Even Think ItDGT = Don’t Go ThereDHYB = Don’t Hold Your BreathDIIK = Damned If I KnownDILLIGAD = Do I Look Like I Give A d\\amn DILLIGAS = Do I Look Like I Give A Sh DKDC = Don’t Know Don’t CareDL = DownloadDLTM = Don’t Lie To MeDQYDJ = Don’t Quit You’re Day JobDRIB = Don’t Read If BusyDS = Dunce SmileyDYSTSOTT = Did You See The Size Of That ThingE:EG = Evil GrinEOM = End Of MessageESO = Equipment Smarter than OperatorF:F2F/FTF = Face To FaceFAQ = Frequently Asked QuestionFBKS = Failure Between Keyboard and SeatFE = For Example/Fatal ErrorFF&PN = Fresh Fields And Pastures NewFOAF = Friend Of A FriendFTASB = Faster Than A Speeding BulletFT = FaintFTL = Faster Than LightFTTB = For The Time BeingFUBAR = Fed Up Beyond All RecognitionFUBB = Fed Up Beyond BeliefFUD = (Spreading) Fear, Uncertainty, and Disinformation FWIW = For What It’s WorthFYA = For Your AmusementFYI = For Your InformationFYM = For Your MisinformationG:G2G = Got To GoG8T/GR8 = GreatGAL = Get A LifeGDGD = Good,GoodGF = girlfriendGG = Good Game/Gotta GoGIGO = Garbage In, Garbage OutGIWIST = Gee, I Wish I’d Said ThatGL = Good LuckGLYASDI = God Loves You And So Do IGMTA = Great Minds Think AlikeGNBLFY = Got Nothing But Love For YouGR&D = Grinning Running And DuckingGRRRR = "Growling"GSOAS = Go Sit On A SnakeGTG = Got To GoGTGB = Got To Go, ByeGTGP = Got To Go PeeGTH = Go To HellGTSY = Glad To See YaGYPO = Get Your Pants OffBE A QUEEN.H:HAGO = Have A Good OneHAK = Hugs And KissesHB = Hurry BackHD = HoldHHO1/2K = Ha Ha, Only Half Kidding HHOK = Ha Ha, Only KiddingHIOOC = Help! I’m Out Of CoffeeHowz = How isHTH = Hope This (That) HelpsHUA = Heads Up AceHUYA = Head Up Your AI:IAC = In Any CaseIAE = In Any EventIANAC = I Am Not A CrookIANAL = I Am Not A LawyerIBT = In Between TechnologyIBTD = I Beg To DifferIC = I See/In CharacterIDGAF = I Don’t Give A FIDGI = I Don’t Get ItIDK = I Don’t KnowIDKY = I Don’t Know YouIDST = I Didn’t Say ThatIDTS = I Don’t Think SoIFAB = I Found A BugIFU = I Fed UpIGGP = I Gotta Go PeeIIIO = Intel Inside, Idiot OutsideIIMAD = If It Makes An(y) DifferenceIIRC = If I Remember CorrectlyIIWM = If It Were MeILICISCOMK = I Laughed, I Cried, I Spat/Spilt Coffee/Crumbs/Coke On My KeyboardILY = I Love YouIMHO = In My Humble Opinion IMNSHO = In My Not So Humble Opinion IMO = In My OpinionINMP = It’s Not My Pro blemINPO = In No Particular OrderIOH = I’m Outta HereIOW = In Other WordsIRL = In Real LifeISS = I Said SoITM = In The MoneyIYKWIM = If You Know What I Mean IYSS = If You Say SoJ:J/C = Just CheckingJ/K = Just Kidding!J/W = Just WonderingJAFO = Just Another Fing OnlookerK:K/KK = OK/OK, OKKFY = Kiss For YouKISS = Keep It Simple StupidKIT = Keep In TouchKMA = Kiss My AssKWIM = Know What I MeanKX = kissKYPO = Keep Your Pants OnL:L8R = LaterLD = Long DistanceLDTTWA = Let’s Do The Time Warp Again LLTA = Lots And Lots Of Thunderous Applause LMAO = Laughing My Ass OffLMK = Let Me KnowLOL = Laughing Out Loud/Lots Of Luck(Love) LTIC = Laughing ’Til I CryLTNS = Long Time No SeeLYL = Love Ya LotsLYLAS = Love You Like A SisterM:M8T = MateMHOTY = My Hat’s Off To YouMM = Market MakerMorF = Male or Female?MOTD = Message Of The DayMOTSS = Members Of The Same Sex MTFBWY = May The Force Be With You MWBRL = More Will Be Revealed Later MYOB = Mind Your Own BusinessN:N = And/Know/NowNAK = Nursing At KeyboardNAZ = Name, Address, Zip (also means Nasdaq) NBD = No Big DealNBIF = No Basis In FactNFI = No Fing IdeaNFW = No Fing WayNIFOC = Nude In Front Of The ComputerNM = Never MindNMP = Not My ProblemNMU = Nothing Much YouNOYB = None Of Your BusinessNP = No ProblemNQOCD = Not Quite Our Class Dear NRG = EnergyNRN = No Reply NecessaryNYCFS = New York City Finger SaluetO:OAUS = On An Unrelated SubjectOBTW = Oh, By The WayOIC = Oh, I SeeOICU = Oh, I See YouOMDB = Over My Dead BodyOMG = Oh My God/Oh My GoshOMIK = Open Mouth, Insert Keyboard ONNA = Oh No, Not AgainOOC = Out Of CharacterOOTB = Out Of The Box/Out Of The Blue OT = Off TopicOTOH = On The Other HandOWTTE = Or Words To That EffectOZ = stands for "Australia"P:PEBCAK = Problem Exists Between Chair And Keyboard PEM = Privacy Enhanced MailPic = PicturePIMP = Peeing In My PantsPITA = Pain In The AssPLS/PLZ = PleasePMFJI = Pardon Me For Jumping InPO = Piss Off/product order/purchase orderPOS = Parents Over ShoulderPOV = Point Of ViewPPL = PeoplePro = ProfessionalPS = By The Way/PhotoshopS:SS:spring/summerT:TAH = Take A HikeTANSTAAFL = There Ain’t No Such Thing As A Free Lunch TARFU = Things Are Really Fed UpTDTM = Talk Dirty To MeTEOTWAWKI = The End Of The World As We Know It TFN = Thanks For Nothin’THX/TX/THKS = ThanksTIA = Thanks In AdvanceTIAIL = Think I Am In LoveTIC = Tongue In CheekTKS/TKX=ThanksTLA = Three Letter AcronymTLGO = The List Goes OnTM = Trust MeTMI = Too Much InformationTMTOWTDI = There’s More Than One Way To Do ItTPTB = The Powers That BeTSR = Totally Stuck in RAMTTFN = Ta Ta For NowTTT = That’s The Ticket/To The TopTTUL/TTYL = Talk To You LaterTWHAB = This Won’t Hurt A BitTY = Thank YouTYVM = Thank You Very MuchU:U = YouUR = YourU R = You areunPC = unPolitically CorrectURYY4M = You Are Too Wise For MeV:VFM = Values For MoneyVG = Very GoodW:WAG = Wild Ass GuessWAI = What An IdiotWB = Welcome BackWCA = Who Cares AnywayWDYS = What Did You Say?WDYT = What Do You Think?WE = WhateverWEG = Wicked Evil GrinWG = Wicked GrinWGAFF = Who Gives A Flying FWIIFM = What’s In It For Me?WIT = Wordsmith In TrainingWITFITS = What in the F is this ShWOG = Wise Old GuyWot/Wut = WhatWRT = With Respect To/With Regard To WTF = What The FWTG = Way To Go!WTSDS = Where The Sun Don’t Shine WYMM = Will You Marry MeWYP = What’s Your Problem?WYRN = What’s Your Real Name?WYS = Whatever You SayWYSIWYG = What You See Is What You Get WYT = Whatever You ThinkX:X U = Kiss YouY:Y = WhyYa = YouYA = Yet AnotherYAFIYGI = You Asked For It You Got It YDKM = You Don’t Know MeYep/Yup = YesYGBK = You Gotta Be Kiddin’YMMV = Your Mileage May VaryYNK = You Never KnowYOYO = You’re On Your OwnYR = Yeah, RightYSYD = Yeah, Sure You DoYTTT = You Telling The Truth? YYSSW = Yeah Yeah Sure Sure Whatever。
TGA 標準操作程式(Thermal Advantage Software)TGA 校正用於TGA儀器上面的校正形式一共有三種。
使用設定功能物件可以執行重量或是樣品的平臺校正,最後一種校正是溫度校正。
1-1重量校正TGA必須涵蓋輕重兩種不同的重量範圍,所以重量校正實驗必須在此重量範圍下作校正。
兩校正值會各別儲存。
而重量校正功能軟體可以一步步引導您完成校正步驟。
*每次移動砝碼時一定要用砝碼夾,不能用手指。
因你手指上的油脂及鹽分會改變砝碼的重量。
重量校正步驟如下:步驟一:Electronic Balance Tare1.準備一酒精燈或噴鎗,實驗前先將白金盤燒至通紅2.按【Load Pan】,待穩定後會有“ Stable“的字樣出現3.再按【Next】開始electronic tare,如Show Fig 1-1Fig 1-14.待electronic tare完畢後,按【Next】進行步驟二,如Show Fig 1-2Fig 1-2步驟二:200mg範圍歸零重量校正的第一步驟中,儀器會在200mg的重量範圍內量測重量,然後量得的讀數會被儀器儲存作爲200mg範圍得歸零值。
Fig 1-2步驟三:200mg範圍校正1.從TGA附件盒中找到的100mg重的M級標準砝碼2.把100mg重的砝碼放在樣品盤上3.按下儀器面板上的裝載(LOAD)鍵載入樣品盤並把他挂到樣品鈎上4.按下儀器面板上的加熱爐(FURNACE)鍵緊閉加熱爐子5.輸入標準砝碼的正確質量(預設值=100mg)6.等待重量讀數穩定,會有穩定“ Stable“字樣出現作爲提示7.按下【Accept】鍵繼續校正程式,如Show Fig 1-3Fig 1-3Fig 1-4步驟四:1000mg範圍歸零重量校正的第一步驟中,儀器會在1000mg的重量範圍內量測重量,然後量得的讀數會被儀器儲存作爲1000mg範圍得歸零值。
Fig 1-5步驟五1000mg範圍校正1.從TGA附件盒中找到的100mg重的M級標準砝碼2.把100mg重的砝碼放在樣品盤上3.按下儀器面板上的裝載(LOAD)鍵載入樣品盤並把他挂到樣品鈎上4.按下儀器面板上的加熱爐(FURNACE)鍵緊閉加熱爐子5.輸入標準砝碼的正確質量(預設值=100mg)6.等待重量讀數穩定,會有穩定“ Stable“字樣出現作爲提示,如Show Fig 1-67.按下【Accept】鍵繼續校正程式,如Show Fig 1-7Fig 1-6Fig 1-7當你成功地完成TGA儀器的五步驟重量校正程式,會有一個訊息顯示。
TGA-报告
TGA The Theory
热重分析仪(TGA)是指将样品置于一受控制的环境下给予一可控制的温度程序,然后量测其重量随温度或时间而变化的响应。
TGA普遍的使用在学校、工业界及政府研究单位。
材料透过TGA分析可获得以下特性:
1.多成分材料的组成
2.材料热稳定
3.材料氧化安定性
4.动态裂解
5.评估材料寿命
6.水分和挥发物质的含量
TGA Principle of Operation
TA工程师们以35年的时间不断研发与改良天平、加热炉、净化气体系统来提升测量材料质量与温度变化的精密度与再现性。
Q Series TM TGA便能充分达到以上的要求。
图一、二各为TGA Q50、TGA Q500全貌。
图一图二
Q TGA共分四大部分:1.天平 2.加热炉
3.净化气体系统
4.热电偶
图三
天平:是Q Series TM TGA的心脏部分,位于平衡室内极精密之垂直型天平(图
四)。
以”null-balance”为运作原理。
以一个红外线光源与搭配一对光电二
极管的侦测活动器来维持”null”,其中以平衡臂上的旗状板控制光源到达
每个光电二极管的光量。
当样品重量改变时平衡臂就会不平衡,旗状板位
置也跟着移动,如此造成光源抵达这一对二极管之光量不同,因此这对二
极管输出的净电流让天平达到”null”平衡状态,且此净电流经过转换器转
换成一般讯号,如此便可从软件上轻松观察出样品重量的变化。
图四
优点:在整个1000℃操作范围内都为连续、平顺之重量变化且精密度高、基线偏移度低。
加热炉:Q Series TM TGA第二项重要部份(图五),由专利低质量且材质坚硬的
加热线圈做为加热控制。
优点:在操作范围内以最迅速、精确的方式达到指定的温度且炉子使用寿命较长,若搭配更先进的技术,像是Hi-Res TM TGA 和Modulated TGA的话,
实验效果会事半功倍。
图五
净化气体系统:主要净化气体(Purge Gas)由加热炉右侧入可进入流经样品盘悬挂处,另外在加热炉上方有流量较少之平衡气体(Balance Gas)
垂直流入炉内,以防止Purge Gas回流和裂化产物进入平衡室而
污染天平,最后两者合而为一由加热炉左侧出口流出(图六)。
其
出口处也可以连接其它分析仪器,例如MS或FTIR以便进一步
分析样品性质。
优点:将浮力效应减至最低、外加平衡气体的设计更能将裂化产物带离炉外、由mass flow控制器精准的控制净化气体与平衡气体的流
量。
图六
温度控制与量测:可以调整热偶计的位置至接近样品附近,在Q Series TM TGA 中更添加第二支热偶计来增加效果(图七)
优点:能同时精准的控制加热速率与量测样品温度。
创新的”control and feedback”设计能控制与维持操作者编辑的环境温度与加热速率。
而新添的热偶计具有保护的作用,能监控两支热偶计间的温
度差,如果温度超过预定值则加热炉会自动停止加热。
图七。