英语释义

1. having many functions
polyfunctional acids

片语

polyfunctional plasmid多功能质粒

polyfunctional monomer多官能团单体

polyfunctional acid多元酸

polyfunctional catalysis多功能催化作用

polyfunctional compound多官能化合物

multiple倍数；[电] 并联

polyfunctional parasystole多重性并行心律

polyfunctional ligand翻译

Polyfunctional mill多能磨

polyfunctional ventricularparasystole多重性室性并行心律

英汉例句

• the effects of terminator in pvc production are introduced, its present situation is also analysed. it is pointed out that polyfunctional terminator spj-hz is a good terminator in pvc production.

  介绍了终止剂在聚氯乙烯生产中的作用，分析了其现状，指出spj-hz多功能终止剂是一种性能优良的pvc生产用终止剂。

• a polyfunctional monomer is one with three or more functional groups per molecule.

  单体的官能度是指每个单体分子含有的官能团数。

• the synthesis, properties, modification and application of polybenzoxazines were reviewed. besides, the other difunctional benzoxazines and polyfunctional naphthoxazines were also discussed.

  综合介绍了苯并嗪树脂的合成、性能、改性和应用，并对其他双酚类苯并嗪和萘并嗪进行了概述。

• according to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (f-51) and diethanolamine.

  采用化学改性法，选择多官能团酚醛环氧树脂（f—51）与二乙醇胺进行定量加成反应，合成了一种在分子结构上既具有环氧基团，又具有亲水性基团的改性树脂。

• by substituting one carboxymethyl group in the molecule of edta with a long chain alkyl, a polyfunctional surfactant having both surfactivity and ability of chelating metal ions was obtained.

  以长链烷基替代edta分子中的一个乙酸基，使其改性为既具表面活性又有络合金属离子能力的多功能表面活性剂。

• the main factor to improve ptc property is the gel content, some polyfunctional monomers have been used to increase gel content of hdpe/cb composite.

  进一步研究了辐照交联作用的关键性因素——体系的凝胶含量，利用新型多官能团单体的特性提高了体系的凝胶含量。

• their ring opening reactions can be used for preparing polyfunctional or other cyclic compounds.

  另外，利用该反应还可以提供保护基以及立体、区域选择性地合成各种有机化合物。

• liquid coating compositions that include a compound formed from at least one polyfunctional isocyanurate, related multi-layer composite coatings, methods and coated substrates.

  包括由至少一种多官能异氰脲酸酯形成的化合物的液体涂料组合物，相关的多层复合涂层，方法以及涂覆的基材。

• collagen is one of the important and polyfunctional protein from pig skin.

  胶原蛋白是猪皮中含量较高，活性较为重要的一种蛋白质。

• the epoxides are more and more important in organic synthesis. their ring opening reactions can be used for preparing polyfunctional or other cyclic compounds.

  环氧烷化合物的开环反应可以用来合成其它方法难以合成的多官能团化合物，或通过开环和修饰合成其他环状化合物。

• but for the polyfunctional tructures, they could increase the interaction or tanning agent and collagen, and improve the quality of…

  将这两种助剂搭配使用，可以生产出高质量的鞋面革和服装革。

• objective: to extract keratin of donkey skin for the preparation of colla corii asini by polyfunctional extraction apparatus.

  目的：采用多功能提取罐对阿胶制作时驴皮胶朊蛋白质进行提取。