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汉语拼音：jí xìng

1.物体在相反部位或方向表现出相反的固有性质或力量。

2.对特定事物的方向或吸引力（如倾斜、感觉或思想）；向特定方向的倾向或趋势。

3.对两极或起电（如物体的）特定正负状态。

• Polarity is inherent in a magnet.

  极性是磁铁的固有性质.

• The nonpolar segments of surfactants include straight - chain and branched alkyl groups.

  非极性表面活性剂链段包括直链和支链的烷基.

• The nonpolar segments of surfactauts include straight - chain and branched alkyl groups.

  非极性链段包括直链和支链的烷基.

• All five valences are the ordinary, nonpolar ones.

  所有5个价键都是普通的非极性键.

• The polar concepts of the physical organic chemist are relevant to radical r eactions.

  物理有机化学家的极性概念能够适用于自由基反应.

• There are miscellaneous tools, pliers , putty knife, polarity stamps, battery stamping or coding equipment, lead cutters.

  有各种工具 、 手钳 、 油灰刀, 极性印戮 、 电他标记打印或编号机 、 铅切刀.

• The polarity of the ends of the open - circuit conductor may then be deduced.

  这样就可以断定开路导体两端的极性.

• Oxidation of soils by bleaches can break down large molecules into smaller segments with polar sites.

  关于漂白对污垢的氧化作用,使其大分子裂解为带极性基因的短链段.

• It is not possible to try to salvage or change the polarity correctly by charging.

  试图补救或通过充电的方法把极性改过来是不可能的.

• The magnitude of the spike and of the reversal varies in different heart tissues.

  峰电位和极性倒转的幅度,随不同类型的心肌组织而异.

• Discussed the switch directions control of the variable pole about DC motor.

  阐述了变磁极性直流电机的极性换向控制.

• The hydrophobicity is related to molecular volume and polarity.

  分子的疏水性跟分子的体积和极性有关.

• In some plants, lycolipids constitute the major polar lipids in ceil membranes.

  在有些植物中糖脂是细胞膜中主要的极性油脂.

• Bucket solution is a polar molecule, the ink is a non - polar molecule.

  火斗溶液是极性不分子, 油不朱长短极性不分子.

• Objective To reestablish cell polarity of hepatocytes cultured in vitro.

  目的使培养肝细胞在体外重建细胞极性.