英语翻译Poly(oxy-1,2-ethanediyl),alpha-(4-nonylphenyl)-omega-hydroxy-,branched这个化学物是什么,大侠多指教

英语翻译Poly(oxy-1,2-ethanediyl),alpha-(4-nonylphenyl)-omega-hydroxy-,branched这个化学物是什么,大侠多指教 英语翻译poly(oxy-1,4butanediyl),-hydro--hydroxy-,polymer with 1,3-diisocyanatomethylbenzene 英语翻译Poly-PEDAL什么意思? 求化学达人解决下面的问题：C4-C6 Dicarboxylic Acids ；Acid Brown 75； Sodium polyacrylate ACETIC Acid；2-butoxyethanol；Isodecanol ethoxylated；alpha-isodecyl-omega-hydroxy-poly(oxy-2-ethanediyl)；phenol,sulfonated；的中文名和 poly 英文化学名翻译9,12,15-Octadecatrienoic acid, 2-[(trimethylsilyl)oxy]-1-[[(trimethylsilyl)oxy]methyl]ethyl ester, (Z,Z,Z)-中文化学名称谁知道?! 多元复合函数求导题目z=y/f(x^2-y^2),其中f(u)为可导函数,验证(1/x)*(ðz/ðx)+(1/y)*(ðz/ðy)=z/y^2 (ð为偏导数符号） 回答满意的话, {高数} 隐函数求导题两道1、设z^3-3xyz=a^3,求:ð^2z/(ðxðy).2、设e^z-xyz=0,求:ð^2z/ð^x.根据隐函数求导定理中给出的公式做到一阶导数（有分子分母的函数）后就不晓得怎么求二阶导数 英语翻译2mil patch handle poly bag with clear plastic patch on inside of handle 英语翻译怎么翻译好点呢?blueroly-poly 英语翻译Er það ekki fyrir vonbrigðum!Tanabata degi því ég lofa þér að eitthvað sé ekki skrifað í blaðið,ekki satt?Aftur og aftur og aftur,get ég bara segja leitt.Fyrirgefðu,elskan.Frelsi til 英语翻译The conjugated polymers employed in this study (Figure 1a) arethe polyfluorene derivative poly(9,9-dihexylfluorenyl-2,7-diyl)(PDHF,average MW 55 000),the copolymer poly[{9,9-dioctyl-2,7-divinylenefluorenylene}-alt-co-{2-methoxy-5-(2-ethyl 英语翻译Poly(sodium-β-D-glucuronate-[1-3]- β-N-acetyl-D-glucosamine-[1-4]) 求其化学式中文名 求问1PC/POLY BAG 英语翻译2,4-dichloro phenyl hydrochloride,quinopyraminesalts,4-chloro 2-amino phenol and dibenzyl oxy benzoyl chloride是什么化合物,怎么翻译啊 英语翻译Því miður,eins og Hui er líka hamingja,Donna ákvað að gleyma því ekki lokað】 【Merry Christmas 英语翻译（Century poly）最好能缩到5-7个字母 x分之一减y分之一等于2求代数式2x—1Oxy—2y除于x—2xy—y