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1·They form a polar molecule, that is.

它们形成一个极性分子，也就是说。

2·A molecule where the centers do not coincide is called a polar molecule.

正负电荷中心不重合的分子称为极性分子。

3·Symmetric disposition of polar bonds still results in a nonpolar molecule.

空间对称的极性键分布，还是会导致整个分子为非极性分子。

4·Here is the question. Is methane a polar molecule or a nonpolar molecule? Let's look carefully.

问题是，甲烷是一个极性分子还是非极性分子，我们仔细看看。

5·The polarized degree of polar molecule is studied based on the classic statistic law and semi_quantitative, method.

运用半定量半定性研究方法，依据经典统计规律对极性分子的极化程度作了研究。

6·The two hydrogen atoms form a polar molecule, that is, one with a slightly positive end and one with a slightly negative end.

两个氢原子构成了一个极性氢分子，一个略带正极，一个略带负极。

7·Based onthe molecular QCLC model, a group contribution quasi-chemical local composition model is proposed, in which polar molecule is divided into several non-polar functional groups.

本文在前文的分子模型基础上，提出了似化学局部组成的基团模型，可用于极性分子混合物申组分活度系数的预测。

8·Very important for the swelling behaviour Is the polar character of the water molecule. Experiments with nonpolar fluids like heptanor benzine showed no or only very small swelling.

同一岩样浸入极性和非极性的流体中，其膨胀性能是不同的，这与水分子的极化特性及其表面张力有关。

9·In an ambient state, randomly oriented water molecules are aligned with respect to a molecule polar orientation.

在一个环境状态，随机型水分子的分子排列有关极地方向。