The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.

作者认为影响聚合物等规度的因是取代基的极性效应。

Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.

乙醚、乙二肟、二乙二肟，硝基甲烷或类似的适当的极性溶剂，可用作溶剂。

Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.

乙醚、乙二肟、二乙二肟、硝基甲烷或类似的适当的极性溶剂，可用作溶剂。

The effect of solvent polarity and guanidinium on the con-formation of carbonic anhydrase was studied by fluorescence emission spectrum.

以紫外荧光光谱为检手段，比较研究了溶剂极性及盐酸胍对碳酸酐酶构象的影响。

A magnet has polarity.

磁铁具有极性。

Abstract : The effect of solvent polarity and guanidinium on the con-formation of carbonic anhydrase was studied by fluorescence emission spectrum.

摘 ： 以紫外荧光光谱为检手段，比较研究了溶剂极性及盐酸胍对碳酸酐酶构象的影响。

Endocervix:moderate dysplasia of the cervix with loss of polarity of slightly hyperchromatic nuclei over the lower half of the squamous epithelium.

中等程度分化不良，皮下半部细胞核已失去排列极性。

The dorsoventral polarity of Drosophila egg is established by means of signaling between the germ line-derived oocyte and the surrounding somatic follicle cells.

果蝇胚胎的发育是由四种系统，分别控制头尾部、前部、后部以及背腹部的形成。

Keto-enol tautomerizing of ethyl acetoacetate was studied by UV.It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.

本文以紫外光谱为手段研究乙酰乙酸乙酯的酮-烯醇式互变异构现象;所得结果证实其烯醇式含量随溶剂极性的增加而减少。

Paleomagnetic measurements demonstrate that the Jijiagou section which is the stratotype one of Baode Stage of the Neogene in China records 12 normal and 11 reversed polarity zones.

古地磁量表明,中国新近系保德阶界线层型,山西保德冀家沟剖面记录了12个正极性段与11个负极性段。

Methods With alternative polarity stimulation of the peripheral segment of the facial nerve at stylomastoid foramen in cats, and recording of FNAEP by an electrode at the tympanic membrane.

②方法刺激面神经外周分支,在健康家猫鼓膜记录面神经送行诱发电位。