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哪位兄弟知道炼厂水消耗定额(如循环水,脱盐水等)? 哪位兄弟知道炼厂水的消耗定额(如循环水,脱盐水等)? 不要求很准确,大致就行。。按炼厂规模介绍就可以,谢谢! 或者告诉查哪个标准规范也可! [ ]查看更多 1个回答 . 2人已关注
增碳剂生产与工艺? 请盖德帮忙,增碳剂生产与工艺其设备,增碳剂最适合用几号 石油焦 。查看更多 0个回答 . 4人已关注
寻求Haworth反应的条件!? < >有没有哪位大虾知道Haworth 反应( 硫酸 二 甲酯 与糖 甲基 化)</P> < >的具体条件,怎样检测甲基化糖</P> < >的产率啊?</P>查看更多 0个回答 . 4人已关注
大家都来谈谈自己用过的多肽缩合剂吧? < >最近实验涉及到利用 多肽缩合剂 来合成 酰胺类 化合物</P> < >我用过CDI,先将酸和CDI在无水THF中反应一个小时,然后加入胺。如果CDI过量的话,会生成CDI和胺反应的产物。总收率还可以。</P> < >我还用过PyBOP,但是发现反应完后处理很困难,柱层析时原点有个没有荧光吸收的点很多,而且一直有,伴随整个过程,另外还会生成酸和四氢 吡咯 缩合的副产物,与我想要的产物一起柱层析下来。是不是我的PyBOP部分分解了啊,还是不可避免的副产物呢?还是我反应条件不对:我用的PyBOP,TEA,THF,酸加胺</P> < >各位高手还有用过什么多肽缩合剂?对于我反应中的困难还请指教</P>查看更多 1个回答 . 5人已关注
腐蚀的力量-恶之花+循环水对碳钢换热器的腐蚀031? 这个 换热器 是用循环水冷却导热油,刚刚用了半年就被腐蚀成这样了。严重怀疑循环水有其他什么物质。 查看更多 3个回答 . 2人已关注
DSPEC海水淡化水场方案? 湛江东顺 石油化工 有限公司 大型 炼油化工一体化项目是湛江经济技术开发区东海岛新区的重点建设项目,根据湛江经济技术开发区管委会的要求,需要公司按照整个园区的工业用水量,设计一套 200000m3 /d 的海水淡化装置,以满足本项目及全区各项目的生产要求 查看更多 0个回答 . 4人已关注
关于做焊接评定的疑问,请教? NB/T47014-2011中P42页在试样拉伸加工要求“。。。。可将试样在厚度方向上均匀分层取样....等分后的两片或多片试样试验代替一个全厚度试样试验”。如何掌握。例如:材料38厚,分两层应是19厚,但是考虑加工余量可能是17厚,总厚度成了34厚。”等分后的两片或多片试样试验代替一个全厚度试样试验“如何解决。请教。 查看更多 3个回答 . 1人已关注
半盘管焊接接头系数如何选取? 在设备的外表有半盘管(不是整管)做伴热/加热,半管本身的对接采用PT,半管与本体的组合焊缝采用PT(制作时是一段段的焊到本体上的),这种情况下半盘管焊接接头系数如何选取?查看更多 1个回答 . 5人已关注
关于热碱回收器? 三楼说的热碱 回收器 是我设计制作的。查看更多 7个回答 . 5人已关注
清洁生产标准基本化学原料制造业 (环氧乙烷乙二醇).pdf? 清洁生产标准基本化学原料制造业 (环氧 乙烷 乙二醇 ).pdf查看更多 0个回答 . 4人已关注
请问VASTOCON EPOXY怎么翻译? 凝汽器 水侧的涂料,德国制造,涂料类型是VASTOCON EPOXY,请问是什么涂料? 先谢了查看更多 3个回答 . 5人已关注
试压30KG没有问题以后 降压18KG使用 碳钢无缝管还会出问 ...? 这边有一批管子有部分有缺陷,试压30KG 保压25KG 实际使用18KG,这样使用中还会有问题吗? 因为有几条线,一条线全部试验OK了,另外一条线 试验时有好几处在15KG就漏水,有些在18KG渗水。裂缝主要是管头,渗水是沙眼。因此客户要求把全部都更换,我们觉得只需要部分更换试压30KG合格就可以? 有没有专业人士给我建议,谢谢! 查看更多 8个回答 . 2人已关注
绝世收藏:与老外打交道必知英文缩写400个? 数字:   2 = to/too   2B or not 2B = To be or not to be   4 = for   4ever = forever  A:   ASL = Age/**/Location   AFAIC = As Far As I’m Concerned   AFAIK = As Far As I Know   AFK = Away From Keyboard   AIAMU = And I’m A Monkey’s Uncle   AISI = As I See It   AKA = Also Known As   AMBW = All My Best Wishes   ANFAWFOWS = And Now For A Word Word From Our Web Sponsor   AOTS = All Of The Sudden   ASAFP = As Soon As "Friggin" Possible   ASAP = As Soon As Possible   ATST = At The Same Time   AWGTHTGTTA = Are We Going To Have To Go Through This Again   AWGTHTGTTSA = Are We Going To Have To Go Through This Sh Again   AYSOS = Are You Stupid Or Something   B:   B4 = Before   B4N = Bye For Now   BBFBBM = Body By Fisher, Brains by Mattel   BBIAB = Be Back In A Bit   BBIAF = Be Back In A Few   BBL = Be Back Later   BBN = Bye Bye Now   BCNU = Be Seein’ You   BF = Boyfriend   BFD = Big Fing Deal   BFN = Bye For Now   BHOF = Bald Headed Old Fart   BIF = Basis In Fact   BITD = Back In The Day   Biz = Business   BM = Byte Me   BMOTA = Byte Me On The Ass   BNF = Big Name Fan   BOHICA = Bend Over Here It Comes Again   BR = Bathroom   BRB = Be Right Back   BRT = Be Right There   BS = Big Smile   BT = Byte This   BTDT = Been There Done That   BTSOOM = Beats The Sh Out Of Me   BTW = By The Way   BTWBO = Be There With Bells On   BWDIK = But What Do I Know?   BWO = Black, White or Other   C:   Cam = Web Camera   CIAO = Goodbye (in Italian)   CID = Consider It Done   CIO = Check It Out   CIS = CompuServe Information Service   CMF = Count My Fingers   Cof$ = Church of Scientology   CRAFT = Can’t Remember A Fing Thing   CRAWS = Can’t Remember Anything Worth A Sh   CSL = Can’t Stop Laughing   CTC = Choaking The Chicken   CU = See You   CUL/CYL/CUL8R = See You Later   CWYL = Chat With You Later   CYA = Cover Your Ass   D:   DBEYR = Don’t Believe Everything You Read   DD = Due Diligence   DDD = Direct Distance Dial   DETI = Don’t Even Think It   DGT = Don’t Go There   DHYB = Don’t Hold Your Breath   DIIK = Damned If I Known   DILLIGAD = Do I Look Like I Give A damn   DILLIGAS = Do I Look Like I Give A Sh   DKDC = Don’t Know Don’t Care   DL = Download   DLTM = Don’t Lie To Me   DQYDJ = Don’t Quit You’re Day Job   DRIB = Don’t Read If Busy   DS = Dunce Smiley   DYSTSOTT = Did You See The Size Of That Thing   E:   EG = Evil Grin   EOM = End Of Message   ESO = Equipment Smarter than Operator   F:   F2F/FTF = Face To Face   FAQ = Frequently Asked Question   FBKS = Failure Between Keyboard and Seat   FE = For Example/Fatal Error   FF&PN = Fresh Fields And Pastures New   FOAF = Friend Of A Friend   FTASB = Faster Than A Speeding Bullet   FT = Faint   FTL = Faster Than Light   FTTB = For The Time Being   FUBAR = Fed Up Beyond All Recognition   FUBB = Fed Up Beyond Belief   FUD = (Spreading) Fear, Uncertainty, and Disinformation   FWIW = For What It’s Worth   FYA = For Your Amusement   FYI = For Your Information   FYM = For Your Misinformation   【G】   G2G = Got To Go   G8T/GR8 = Great   GAL = Get A Life   GDGD = Good,Good   GF = girlfriend   GG = Good Game/Gotta Go   GIGO = Garbage In, Garbage Out   GIWIST = Gee, I Wish I’d Said That   GL = Good Luck   GLYASDI = God Loves You And So Do I   GMTA = Great Minds Think Alike   GNBLFY = Got Nothing But Love For You   GR&D = Grinning Running And Ducking   GRRRR = "Growling"   GSOAS = Go Sit On A Snake   GTG = Got To Go   GTGB = Got To Go, Bye   GTGP = Got To Go Pee   GTH = Go To Hell   GTSY = Glad To See Ya   GYPO = Get Your Pants OffBE A QUEEN.    【H】   HAGO = Have A Good One   HAK = Hugs And Kisses   HB = Hurry Back   HD = Hold   HHO1/2K = Ha Ha, Only Half Kidding   HHOK = Ha Ha, Only Kidding   HIOOC = Help! I’m Out Of Coffee   Howz = How is   HTH = Hope This (That) Helps   HUA = Heads Up Ace   HUYA = Head Up You’re a   【I】   IAC = In Any Case   IAE = In Any Event   IANAC = I Am Not A Crook   IANAL = I Am Not A Lawyer   IBT = In Between Technology   IBTD = I Beg To Differ   IC = I See/In Character   IDGAF = I Don’t Give A F   IDGI = I Don’t Get It   IDK = I Don’t Know   IDKY = I Don’t Know You   IDST = I Didn’t Say That   IDTS = I Don’t Think So   IFAB = I Found A Bug   IFU = I Fed Up   IGGP = I Gotta Go Pee   IIIO = Intel Inside, Idiot Outside   IIMAD = If It Makes An(y) Difference   IIRC = If I Remember Correctly   IIWM = If It Were Me   ILICISCOMK = I Laughed, I Cried, I Spat/Spilt Coffee/Crumbs/Coke On My Keyboard   ILY = I Love You   IMHO = In My Humble Opinion   IMNSHO = In My Not So Humble Opinion   IMO = In My Opinion   INMP = It’s Not My Problem   INPO = In No Particular Order   IOH = I’m Outta Here   IOW = In Other Words   IRL = In Real Life   ISS = I Said So   ITM = In The Money   IYKWIM = If You Know What I Mean   IYSS = If You Say So    【J】   J/C = Just Checking   J/K = Just Kidding!   J/W = Just Wondering   JAFO = Just Another Fing Onlooker    【K】   K/KK = OK/OK, OK   KFY = Kiss For You   KISS = Keep It Simple Stupid   KIT = Keep In Touch   KMA = Kiss My Ass   KWIM = Know What I Mean   KX = kiss   KYPO = Keep Your Pants On    【L】   L8R = Later   LD = Long Distance   LDTTWA = Let’s Do The Time Warp Again   LLTA = Lots And Lots Of Thunderous Applause   LMAO = Laughing My Ass Off   LMK = Let Me Know   LOL = Laughing Out Loud/Lots Of Luck(Love)   LTIC = Laughing ’Til I Cry   LTNS = Long Time No See   LYL = Love Ya Lots   LYLAS = Love You Like A Sister   M:   M8T = Mate   MHOTY = My Hat’s Off To You   MM = Market Maker   MorF = Male or Female?   MOTD = Message Of The Day   MOTSS = Members Of The Same **   MTFBWY = May The Force Be With You   MWBRL = More Will Be Revealed Later   MYOB = Mind Your Own Business   N:   N = And/Know/Now   NAK = Nursing At Keyboard   NAZ = Name, Address, Zip (also means Nasdaq)   NBD = No Big Deal   NBIF = No Basis In Fact   NFI = No Fing Idea   NFW = No Fing Way   NIFOC = Nude In Front Of The Computer   NM = Never Mind   NMP = Not My Problem   NMU = Nothing Much You   NOYB = None Of Your Business   NP = No Problem   NQOCD = Not Quite Our Class Dear   NRG = Energy   NRN = No Reply Necessary   NYCFS = New York City Finger Saluet   O:   OAUS = On An Unrelated Subject   OBTW = Oh, By The Way   OIC = Oh, I See   OICU = Oh, I See You   OMDB = Over My Dead Body   OMG = Oh My God/Oh My Gosh   OMIK = Open Mouth, Insert Keyboard   ONNA = Oh No, Not Again   OOC = Out Of Character   OOTB = Out Of The Box/Out Of The Blue   OT = Off Topic   OTOH = On The Other Hand   OWTTE = Or Words To That Effect   OZ = stands for "Australia"   P:   PEBCAK = Problem Exists Between Chair And Keyboard   PEM = Privacy Enhanced Mail   Pic = Picture   PIMP = Peeing In My Pants   PITA = Pain In The Ass   PLS/PLZ = Please   PMFJI = Pardon Me For Jumping In   PO = Piss Off   POS = Parents Over Shoulder   POV = Point Of View   PPL = People   Pro = Professional   PS = By The Way/Photoshop   T:   TAH = Take A Hike   TANSTAAFL = There Ain’t No Such Thing As A Free Lunch   TARFU = Things Are Really Fed Up   TDTM = Talk Dirty To Me   TEOTWAWKI = The End Of The World As We Know It   TFN = Thanks For Nothin’   THX/TX/THKS = Thanks   TIA = Thanks In Advance   TIAIL = Think I Am In Love   TIC = Tongue In Cheek   TLA = Three Letter Acronym   TLGO = The List Goes On   TM = Trust Me   TMI = Too Much Information   TMTOWTDI = There’s More Than One Way To Do It   TPTB = The Powers That Be   TSR = Totally Stuck in RAM   TTFN = Ta Ta For Now   TTT = That’s The Ticket/To The Top   TTUL/TTYL = Talk To You Later   TWHAB = This Won’t Hurt A Bit   TY = Thank You   TYVM = Thank You Very Much   U:   U = You   UR = Your   U R = You are   unPC = unPolitically Correct   URYY4M = You Are Too Wise For Me   V:   VFM = Values For Money   VG = Very Good   W:   WAG = Wild Ass Guess   WAI = What An Idiot   WB = Welcome Back   WCA = Who Cares Anyway   WDYS = What Did You Say?   WDYT = What Do You Think?   WE = Whatever   WEG = Wicked Evil Grin   WG = Wicked Grin   WGAFF = Who Gives A Flying F   WIIFM = What’s In It For Me?   WIT = Wordsmith In Training   WITFITS = What in the F is this Sh   WOG = Wise Old Guy   Wot/Wut = What   WRT = With Respect To/With Regard To   WTF = What The F   WTG = Way To Go!   WTSDS = Where The Sun Don’t Shine   WYMM = Will You Marry Me   WYP = What’s Your Problem?   WYRN = What’s Your Real Name?   WYS = Whatever You Say   WYSIWYG = What You See Is What You Get   WYT = Whatever You Think   X:   X U = Kiss You   Y:   Y = Why   Ya = You   YA = Yet Another   YAFIYGI = You Asked For It You Got It   YDKM = You Don’t Know Me   Yep/Yup = Yes   YGBK = You Gotta Be Kiddin’   YMMV = Your Mileage May Vary   YNK = You Never Know   YOYO = You’re On Your Own   YR = Yeah, Right   YSYD = Yeah, Sure You Do   YTTT = You Telling The Truth?   YYSSW = Yeah Yeah Sure Sure Whatever查看更多 1个回答 . 5人已关注
09-05-13议题——讨论一下换热器在实际生产中的改造(参 ...? 请大家讨论一下:   换热器 在实际生产中的有没有进行改造过?说明改造的原因、改造的内容及改造后的效果。 注:本议题由zx9527007会员提供,请提供者及时关注,24小时内给出总结或正确答案 你有好的议题也可以提供给我们,见论坛上方置顶帖子中的“每日、每月议题征集专用贴”,链接: https://bbs.hcbbs.com/thread-335484-1-1.html ,参与就有奖,还可以参加月末的评选,奖励丰厚。 查看更多 15个回答 . 1人已关注
An introduction to polymer physics(高分子物理导论)? An Introduction to Polymer Physics David I. Bower Formerly at the University of Leeds Bower, David I., 1937– An introduction to polymer physics / David I. Bower.p. cm. Includes bibliographical references and index. ISBN 0 521 63137 8–ISBN 0 521 63721 X (pb.) 1. Polymers. 2. Polymerization. I. Title. QD381.8.B67 2002 547 0.7–dc21 2001037966 【目录信息】 Preface xii Acknowledgements xv 1 Introduction 1 2 Some physical techniques for studying polymers 27 3 Molecular sizes and shapes and ordered structures 63 4 Regular chains and crystallinity 87 5Morphol ogy and motion 117 6 Mechanical properties I – time-independent elasticity 162 7.1 Introduction and definitions 187 8 Yield and fracture of polymers 220 9 Electrical and optical properties 248 10 Oriented polymers I – production and characterisation 290 11 Oriented polymers II – models and properties 321 12 Polymer blends, copolymers and liquid-crystal polymers 343 Appendix:Cartesi an tensors 393 Solutions to problems 397 Index 425 [ ]查看更多 0个回答 . 5人已关注
空压机导叶改造? 各位同事大家好,有没有谁家改造过沈鼓 压缩机 进口导叶,沟通一下查看更多 6个回答 . 5人已关注
HTFS 使用问题? 想请问各位 热交换器 设计专家 我在进行一组热交换器设计时遇到vibration的问题 其中出现了 5 个 warnings 不知道我要如何解决这个问题 ? 请各位前辈协助 谢谢 &#65279;1243 The bundle band orientation has 3 pass partition lanes in line with the flow, which may give significant by-passing around the tube regions. Changing the orientation of the bundle would give 1 in-line lane(s) and reduced by-passing. 1244 This is probably a case where the baffle cuts are not consistently located with respect to tube centres. Revising the cuts on the tube layout diagram may be needed. Otherwise, this problem can usually be avoided if you specify bundle layout symmetry case 1 or 2, For H-banded layouts you may also need to adjust the central pp lane width. 1259 A nominal inner baffle cut of 8 percent (from the centre line) has given local cuts of 9.652198 and 9.652198 percent, to match the tube line locations. The effective (mean) cut used in the calculations is 9.652198 percent. 1611 The HTFS flow induced vibration analysis has identified possible or serious problems in one or more areas: Fluid Elastic Instability: 1 warnings, of which 0 serious; Resonance Assessments: 7 warnings, of which 2 serious. 1612 The simple flow induced vibration analysis from TEMA has identified possible or serious problems in one or more areas: Fluid Elastic Instability: 0 warnings, of which 0 serious; Resonance Assessments: 3 warnings, of which 2 serious. 1615 The HTFS and/or TEMA flow induced vibration analysis has identified the possibility of acoustic resonance. You should consider using a deresonating plate, especially if there is resonance of the vortex shedding or turbulent buffeting frequencies with both the acoustic and natural frequencies 查看更多 1个回答 . 3人已关注
汽轮机进汽温度下限? 回复 1# songzi527 一般要比饱和蒸汽温度高出至少30度,查看更多 4个回答 . 3人已关注
FEVE氟碳树脂与氟碳涂料? 图书名称:FEVE氟碳树脂与氟碳涂料 作  者: 倪玉德 编著 出 版 社: 化学工业出版社 出版时间: 2006-7-1 I S B N : 9787502589141 文件大小:22.6M 3卷压缩 文件格式:解压后PDF 本书在概括地介绍了 聚四氟乙烯 (PTFE)、 聚偏二氟乙烯 (PVDF)、 聚氟乙烯 (PVF)氟碳树脂与氟碳涂料的基础上,系统、翔实地讨论了关于FEVE氟碳树脂(氟烯烃与烷基乙烯基醚或酯的共聚物)与氟碳涂料的性能特点、理论基础、配方工艺、产品标准、检测方法和涂装应用。本书内容真实详尽,理论联系实际,基本涵盖现状,提示未来发展,突出真实性、可读性和可操作性。   本书可供从事氟碳树脂与氟碳涂料科研开发、工业生产、涂装应用和检测管理等方面工作的工程技术及管理人员阅读,也可供大专院校相关专业师生阅读参考。 第1章  概述 第2章  FEVE氟碳树脂 第3章  两种类型FEVE氟碳树脂的对比 第4章  以四氟乙烯为含氟单体的氟碳树脂 第5章  FEVE氟碳树脂的结构与性能 第6章  FEVE氟碳涂料 第7章  FEVE氟碳涂料涂膜的特点 第8章  FEVE氟碳涂料的应用 第9章  FEVE氟碳树脂的发展 第10章  当前存在的问题及发展 参考文献查看更多 0个回答 . 4人已关注
汽油与石脑油? 请问 汽油 和石脑油有什么区别?哪个馏程窄?查看更多 2个回答 . 1人已关注
简介
职业:浙江德美博士达高分子材料有限公司 - 工艺专业主任
学校:河南工业职业技术学院 - 化工学院
地区:河北省
个人简介:我可能不酷,也不特别,但是真心对你好,你能不能别忘记我。查看更多
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