英汉例句

• this paper expounds the negative inductive effect of alkyl and explains the order of acidity of some substances.

  阐述了烷基的吸电子诱导效应，因此解释了一些物质的酸性变化顺序。

• the article studies inductive effect of erythrocytes nucleus of the toad, bufo gargarizans by herbicide butachlor.

  本文研究除草剂丁革胺对蟾蜍红细胞核的诱变效应。

• a simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.

  利用诱导效应指数建立了一个含羰基有机化合物的标準生成热的简单计算方法。

• pulmonary delivery of liposome vaccine not only has the obvious function of adjuvants to enhance immune response, but also the inductive effect of mucosal, cellular and humoral immunity.

  脂质体疫苗肺部给药不仅具有明显的佐剂功能，增强免疫应答，还能诱导粘膜免疫、细胞免疫和体液免疫。

• inductive effect causes electron density of carboxylic cardon atom in carboxylic acid to change.

  诱导效应可使羧酸中羧基碳原子的电子云密度发生改变。

• the inductive effect of no nitrogen condition on the formation of spore and vesicle disappeared while nitrogen was added into medium.

  一段时间的无氮培养对孢子和泡囊形成的诱导效应，在加入氮源后不能保持下去；

• by using the inductive effect index, the formula for calculating the combustion heats of some normal hydrocarbons has been built up. the average relative deviation for 30 data is 0.04%.

  利用诱导效应指数，建立了某些碳氢化合物的燃烧热经验计算式，30 个可比较值的平均相对差为0．04％ 。

• by using the inductive effect index, the formula for calculating the combustion heats of some normal hydrocarbons has been built up.

  利用基团的诱导效应指数，首次提出了分子诱导效应指数的概念，并定义了链烷烃的有效碳链长度。

• by using the inductive effect index, a simple formula was built up for calculating the combustion heats of gaseous normal alkyl derivatives.

  利用诱导效应指数建立了一个计算烷基衍生物气态燃烧热的方法，并计算了一些常见烷基衍生物的气态燃烧热。

• a simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.

  建立了用基团电负性计算含氮含硫有机物键裂能的简单方法，并且得到自由基标準生成热的计算方法。

• by using the inductive effect index i as a characteristic bond-parameter, a formula is given describing the relation between the structure of n-nitrosamines and its acute toxicity.

  亚硝胺类化合物的结构与毒性之间存在着一定的相互关系。用诱导效应指数i作为结构的特征键参数可以得到烷基亚硝安的结构与毒性的定量关系。

• objective to explore the inductive effect of striatal tissue on mouse embryonic stem cells and further analyse the cell source and inductive pattern of this inductive effect.

  目的探讨纹状体组织对胚胎干细胞向多巴胺能神经元分化的定向诱导作用，及其细胞来源和诱导方式。