英语释义

1. a white crystalline hydrocarbon C6H5·C6H5 used especially as a heat-transfer medium and in organic synthesis also a derivative of biphenyl

2. a white crystalline hydrocarbon C6H5·C6H5 — called also diphenyl

片语

polychlorinated biphenyl[有化] 多氯联苯（等于polychlorobiphenyl）

biphenyl substituent联苯基

Hydroxy Biphenyl对羟基联苯

polychorinated biphenyl多氯联苯

biphenyl mercury翻译

Biphenyl forMaldehyde联苯二甲醛

Diethyl biphenyl二乙联苯

biphenyl l联苯

methyl biphenyl甲基联苯

chlorinated biphenyl氯化联苯

英汉例句

• the photoinitiator contains biphenyl substituted aromatic ketone compound with hetero atoms or a composite with the compound.

  本发明的光引发剂包含联苯基取代的含杂原子芳香酮类化合物，或含有这些化合物的组合物。

• as biphenyl compounds are presented in a large number of biologically active natural products, synthesis of biphenyl compounds has attracted more and more attention.

  联苯类化合物广泛存在于许多具有生理活性的天然产物中，它们的合成受到人们越来越多的关注。

• chemists have always been looking for a simple and effective method which is able to directly couple two aromatic derivatives to synthesize such biphenyl compounds.

  有机化学工作者们在近一个世纪以来，一直希望找到一种通过简单芳烃类衍生物直接偶联，简单有效地生成联苯类化合物的合成方法。

• the present invention discloses a biphenyl compound that has an asymmetric structure as shown in the formula in the right.

  本发明公开了一种具有不对称结构的联苯化合物，它具有右述通式的结构。

• based on the liquid crystalline polymer theory, a kind of polyacrylate was synthesized by choosing biphenyl group as rigid nucleus of mesogenic unit and hexylidene as flexible spacing group.

  依据液晶分子结构理论，选择联苯基作为介晶基元，六亚甲基为柔性间隔基，合成了一种丙烯酸酯侧链型液晶高分子。

• with the increasing of bp molar fraction, the melting point presents a down and up trend whereas the lowest melting point turns out at a point where the molar fraction of biphenyl is 20%.

  聚合物的熔点随联苯含量的增加呈先下降后上升的变化规律，体系在联苯含量为20%处出现最低共熔点。

• application and synthetic method of biphenyl and its derivatives int he fields of medicine, liquid crystal and fine chemical engineering are described.

  讨论了联苯及联苯衍生物在医药、液晶、精细化工等领域的应用及合成方法。

• the biphenyl and phenanthrene in coal tar wastewater are first concentrated by extraction with benzene and then determined by gas chromatography with thin layer column.

  用苯萃取浓缩煤焦油废水中的联苯和菲 ，然后用薄涂柱气相色谱法进行测定。

• the electropolymerization of biphenyl at overcharged positive electrode was investigated for overcharge protection of li_ion batteries.

  以联苯在高电压下的电聚合反应用于锂离子电池过充保护。

• in the first section, the design of the 1,2,4-oxadiazole containing biphenyl structure class of small molecule pkb inhibitors were introduced.

  第二章共分为三节：第一节就联苯取代的1，2，4-恶二唑类小分子pkb抑制剂的设计进行了介绍。

• the yield of myrtenol (ii) is a little improved by electron-transfer photooxygenation with dicyanoanthracene (dca), but is almost double by the addition of biphenyl as cosensitizer.

  二氰基蒽（dca）敏化的电子转移光氧化使桃金娘烯醇的产率略有改善，但是，添加联苯作共敏化剂使产率几乎翻了一番。

• it summarizes the technology of synthesis and post treatment, using paraformaldehyde and biphenyl as raw material, zinc chloride to catalyzer, through chloromethylation.

  以列表的方式综述了以多聚甲醛，联苯等为原料，氯化锌为催化剂经氯甲基化反应制备bcmb的合成和后处理技术。

• a study of doubly charged ion mass spectra (2e spectra), the substituents effect and the target gas pressure deppendence of biphenyl derivitives was presented in this work.

  本文研究了联苯取代物双电荷离子2e谱及其取代基效应和靶气压力影响。

• heating method: electric heating of heat transfer oil, electric heating of diphenyl, diphenyl static heating, or biphenyl recirculation heating.

  加热方式：导热油电加热、导热油循环加热、静态联笨加热和联笨循环加热可供选择；

• the overcharge protection ability of polymeric additives cyclohexyl benzene (chb) and biphenyl was studied.

  系统的研究了联苯和环己苯对锂离子电池的过充保护作用机理。

• these analysis were proved by the actual separation experiments of biphenyl and fluorene on the smbc system.

  通过具体的分离实验，验证了三带模拟移动床色谱的主要操作参数切换时间对分离结果的影响。

• effects of polymer structure on light-emitting properties were investigated by using different copolymerizing units, such as biphenyl and fluorene .

  通过改变不同的共聚基团，如芴和联苯等，研究了聚合物结构对其发光性能的影响。

• cata condensed, peri condensed and biphenyl type aromatic unit structures coexist in resins subfractions and pentane asphaltenes, while the proportion of biphenyl type structure is relatively small.

  在芳香结构中存在着渺位缩合、迫位缩合以及联苯型结构，其中联苯型结构较少；

• heating method: (heat transfer) oil recirculation heating, biphenyl recirculation heating, electric heating of heat transfer oil, or electric heating of diphenyl.

  加热方式：导热油循环加热、联笨循环、导热油电加热和联苯电加热可供选择。

• heating method: electric heating of heat transfer oil, (heat transfer) oil recirculation heating, diphenyl static heating, or biphenyl recirculation heating.

  加热方式：导热油电加热、导热油循环加热、静态联笨加热和联笨循环加热可供选择；

• synthesis of p, n ligands based on biphenyl backbones and their applications in asymmetric 1, 4-conjugate additions;

  联苯型p，n配体的合成及其在不对称催化1，4-其轭加成反应中的应用。

• the development of shape - selective alkylation of biphenyl to 4,4' - dialkylbiphenyl over zeolite catalysts is reviewed.

  综述了用沸石分子筛作催化剂，择形烷基化合成4，4’-二烷基联苯的研究进展。

• four unsymmetrical biphenyl derivatives were synthesized with good yields by the tetrakis(triphenylphosphine) palladium (0) catalysed cross-coupling reaction of arylboronic acid with bromobenzene.

  芳基硼酸在三苯基膦钯催化下，与溴代芳烃偶联反应，得到较高收率的不对称联苯衍生物。

• in this thesis, a type of biphenyl rod-like liquid crystals and two types of triphenylene discotic liquid crystals were synthesized.

  本文报道了一类新的联苯类棒状液晶化合物和两类苯并菲盘状液晶化合物的合成。

• in this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds.

  为了考察表面活性剂对疏水性有机污染物生物降解的影响，本论文选择联苯作为模拟研究体系，筛选、驯化得到四株可利用联苯作为碳源生长的菌株；

• a series of polyether resins with pendent biphenyl mesogenic groups were synthesized, and the synthetic technics were discussed.

  通过接枝反应合成了一系列侧链含联苯类介晶基元的聚醚型树脂，并对合成工艺进行了探讨。