是什么让一个分子呈极性或者非极性？
你得到了一个非极性分子。
所以你可以说非极性分子，有两种构成方式。
We can say that a nonpolar molecule you can have as a result of two different conditions.
非极性链段包括直链和支链的烷基。
The nonpolar segments of surfactauts include straight-chain and branched alkyl groups.
一个非极性分子，不是这一种就是那一种。
Nonpolar molecules result from either, it's one or the other.
还讨论了非极性和极性溶质的保留机理。
In addition, the retention mechanism of apolar and polar solute was also discussed.
并用非极性溶剂或弱极性溶剂进行重结晶。
The product was recrystallized by non-polar or low-polar solvent.
ES纤维与亚麻纤维的粘合属于非极性粘合。
The bond between the flax fibers and the ES fibers belongs to non-polarity.
如果我们能这样做，我们就能得到那些对称非极性的分子。
If we can do that, we'll end up with a symmetric nonpolar molecule.
非极性表面活性剂链段包括直链和支链的烷基。
The nonpolar segments of surfactants include straight - chain and branched alkyl groups.
非极性或低极性的溶剂适合于长碳链酯完整晶形的生长。
In the solvent with low polarity or non-polarity complete crystal of series of esters adapted to grow.
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。
Symmetric disposition of polar bonds still results in a nonpolar molecule.
能抗耐油和非极性溶剂的腐蚀，耐热性能比天然胶、丁苯胶好。
Features: able to endure the erosion of oil-resisting and non-polarity solvent heat isolation is better than the natural rubber and styrene butadiene rubber.
两个原子对共用电子对具有相同的引力时，则形成非极性共价键。
A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the Shared electrons.
第二种构成，需要空间非极性，就是需要极性键的空间对称分布。
The second way to have something that is net nonpolar is to have spatially symmetric disposition of polar bonds.
请依据氨基酸支链的性质来分类：疏水性、亲水性、极性与非极性。
Please group amino acids according to the nature of their side chains: hydrophobic, hydrophilic, polar and nonpolar.
结果表明，所合成树脂在极性溶剂中的溶胀性能均比在非极性溶剂中好；
The results show that the swelling properties of the synthetic resins in polar solvents are better than those in nonpolar solvents.
本法不仅适用于非极性和弱极性液体，而且也适用于强极性和缔合液体。
This method is applicable not only to non-polar and slight polar liquids, but also to strong polar and associated liquids.
如果您的倍增器可以清洗，则必须用非极性的溶剂。(正庚烷是非极性溶剂)。
If your multiplier can be cleaned, then non-polar solvents must be used. (Heptane is a non-polar solvent).
方法：采用外标法顶空自动进样，在非极性弹性毛细管柱上进行分离，效果良好。
Methods: auto - injection using external standard headspace method, which make the component can be separated at the nonpolar elastic capillary column, the result is good.
初步判定这两种植物中毒力较强的活性成分主要是一些非极性或极性较弱的物质。
Finally we drew an elementary conclusion that the fairly strong poisonous components in the two plants were mainly non - polar or weak-polar substance.
本文提出单位体积极化率的概念，并用它作为非极性气体在水中溶解性大小的判据。
The concept of unit volume polarizability is suggested in this paper, it is regarded as a criterion for the solubility magnitude of nonpolar gas in the water.
对用非极性固定相分离不同极性的化合物时色谱峰的峰形与保留值的关系进行了研究。
The relationship between the chromatographic peak form of the compounds with different polarity and the retain value has been studied by using non-polar stationary phase.
通过找出非极性基团出现的位置，研究者们能更好的理解折叠沿着线形肽链发生的位置。
By finding these places where the nonpolar groups exist, the researchers better understand where folding occurs along a linear polypeptide chain.
研究表明，只要对这种改性表面进行钝化处理，即可涂渍出高效弱极性和非极性毛细管柱。
The results show that high-efficient apolar and weak polar glass capillary columns can be coated only if this modified surface is treated with deactivation.
提出的非极性油对疏水絮凝强化作用的机理是：油桥连接和油珠在颗粒表面的铺展增大其疏水性。
The mechanism of intensifying action of non-polar oil on hydrophobic flocculation is connection of "oil bridge" and increase of hydrophobicity of particle surface with spread of oil droplet.
并且对絮凝机理做了初步的推理和分析，仙人掌组分中的非极性成分在絮凝过程中起了重要的作用。
And to make preliminary reasoning and analysis of flocculate mechanism, it shows that polarity composition of cactus plays an important role in the course of flocculating.
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。
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.
极性溶剂和非极性溶剂的两步提取法是迷迭香抗氧化剂和精油综合提取的有效方法，操作简单，容易实施。
Two-step extraction with polar solvents and nonpolar solvents was an effective comprehensive extraction for antioxidant and essential oil of rosemary Rosmarinus officinalis l.
极性溶剂和非极性溶剂的两步提取法是迷迭香抗氧化剂和精油综合提取的有效方法，操作简单，容易实施。
Two-step extraction with polar solvents and nonpolar solvents was an effective comprehensive extraction for antioxidant and essential oil of rosemary Rosmarinus officinalis l.
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