衍 - 关于衍的双语例句 - 衍造句 - 语文书

为您找到103个与“衍”相关的双语例句：

Chitin and it's derivatives have very important effect on wound healing.
几丁质及其衍生物对创面的愈合有重要作用.
Five pairs of carbazole derivative enantiomers were resoluted with a cellulose tris ( 3, 5 dimethyphenylcarbamate ) chiral column.
用纤维素-三 ( 3, 5-二甲基苯基氨基甲酸酯 ) 手性固定相拆分了5种咔唑羧酸衍生物对映异构体.
A synthetic rubber made from the polymerization of butadiene sodium.
丁二烯的衍生物,用于聚合制成氯丁橡胶.
Derivatives of bromine are much more active than the corresponding one of chlorine.
溴的衍生物的活性要比相应的氯的衍生物大得多.
Aim : To synthesize carboxylate derivatives of caged bicyclic phosphate.
目的: 合成笼状双环磷酸酯的羧酸酯衍生物.
millions of pounds' worth of Batman merchandising
价值数百万英镑的《蝙蝠侠》的衍生产品
The crystal structures of bastnaesite - ( Ce ) and fluocerite - ( Ce ) was refined by high power four - circle X - ray diffractometer.
用强功率四圆单晶衍射仪精确地修正了氟碳铈矿和氟铈矿的晶体结构.
For the apolar compounds, the derivatization was not necessary.
非极性化合物则不需要衍生化.
Objective To study the antitumor effect of PSP 94 - TNF α D 11 a fusion gene.
目的　探讨人PSP94和肿瘤坏死因子α衍生物11a( TNFα D11a)融合基因(PSP94TNFαD11a) 直接注射的抗肿瘤作用.
Researchers have identified six coumarin derivatives that exert antispasmodic and vasodilatory effects.
研究人员发现,造成六名香豆素衍生物、安神扩血管效应.
In this paper , the uniquely functionalized antifoulant acrylamide monomers derived are designed and synthesized.
分别以含辣素衍生结构的丙烯酰胺为防污剂、以含辣素衍生结构的丙烯酸树脂为成膜物质制备两类防污涂料.
Objective : To synthesize aminothiazole and its analogs, and evaluate their anti - influenza virus activity.
目的: 合成氨基噻唑类衍生物并研究其抗流感病毒活性.
Additionally, two new cellulose derivatives were synthesized by reaction of CDC with 2 - aminopyridine and 3 - aminopyridine, respectively.
另外, 以CDC分别与 2- 氨基吡啶、 3- 氨基吡啶反应合成了两种新型的纤维素衍生物.
METHODS: The target compound was prepared by the bromination and amination reaction.
方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.
Theresults showed that , under proper conditions , the basic capacity of novel aminated chitosanderivatives was increased significantly.
衍生物的胺基含量明显提高, 碱性增强.
In particular, the invention is concerned with amido piperazine derivatives.
具体地说, 本发明涉及酰氨基哌嗪衍生物.
Allantoin is one of the important urea derivative products.
尿囊素是一种重要的尿素衍生产品.
These derivatives are readily obtained by alkylation of 2 - mercaptopyridine and alkyl halides under alkaline conditions.
这些衍生物可以容易地在碱性条件下通过 2- 巯基吡啶和卤代烷的烷基化而得到.
Exterior activator is ramification of emulsifying agent, dust - proofing agent, hydrous lanolin.
表面活性剂是乳化剂、防尘剂、含水羊毛脂衍生物.
Acrylics are synthetic resins made from derivatives of acrylic acid.
丙烯酸涂料是由丙烯酸衍生物经化学合成的树脂.

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