影响蒽醌类化合物对大型溞光敏化毒性的主要因素是分子的极性、电子的跃迁能力和原子最负净电荷。
The main factors governing photoinduced toxicity of the anthraquinone are molecular polarity, the ability of electron transition and the largest negative net atomic charges.
“氢键”这个名字使用不当,因为它不是真正的键,而是特别强的极性分子间的吸引力。
The name "hydrogen bond" is something of a misnomer, as it is not a true bond but a particularly strong dipole-dipole attraction.
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.
啤酒和洗发水都有极性分子,它们可以在气液分解面上积累,但是阻止气泡破掉的机制,对于肥皂沫和啤酒来说,有着根本上的区别。
Both beer and shampoo have polar molecules that accumulate at a liquid-gas interface, but the mechanisms that prevent bubble collapse in soap foams or pilsner heads are fundamentally different.
这是同核分子所以是非极性的。
“这些极性分子(的研究)是量子光学的顶峰。”
在某一极性介质中,游离的分散剂分子通过非极性尾链间的吸附作用被拉向那些已经吸附在颜料表面的分子。
In certain polar media, free molecules are drawn to those already attached to the pigment surface through apolar-apolar interaction of the tails.
正负电荷中心不重合的分子称为极性分子。
A molecule where the centers do not coincide is called a polar molecule.
提供镶嵌油漆分子均匀而微粗糙的表面,涂漆层中的有机或无机材料应含有带电荷的极性官能团。
Surface paint molecules provide inlaid evenly and slightly rough, organic or inorganic material coating shall contain polar groups charged.
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。
The polarized degree of polar molecule is studied based on the classic statistic law and semi_quantitative, method.
将极性分子放在足球烯中会使得他们的化学性质与在外面的有所不同,并且产生特殊性质的新分子。
Putting polar molecules inside buckyballs may influence the chemical behavior of their outsides, and create new molecules with unique properties.
本文对极性溶剂中非共价型分子烙印聚合物的制备条件进行了研究。
The paper studied a method of preparing noncovalent molecular imprinting polymer(MIP) in polar solvent.
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。
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.
本论文对比性地研究了改性后的超支化及线性聚乙烯亚胺(PEI)作为反相纳米胶束对极性客体分子的包裹及释放行为。
Modified hyperbranched and linear polyethylenimine (PEI) as nano-sized inverted micelles for the encapsulation and release of polar guest molecules was comparatively studied.
本文以苯乙烯和丙烯酸酯的低分子共聚物为B段,以含有极性基团的单体为A段合成了A—B嵌段型颜料分散剂。
An A-B blocked pigment-dispersing agent has been synthesised , in which the A block is a monomer with polar groups and the B fo'oek is the oligomer of styrene and acrylate with lower molecular weight.
分子的疏水性跟分子的体积和极性有关。
The hydrophobicity is related to molecular volume and polarity.
而在高粘度极性溶剂中,分子内旋转损耗是主要的非辐射衰减机制。
Whereas in polar media with high viscosity, the internal rotation loss is the majorly nonradiative decay process.
光致极性和分子结构的变化使偶氮衍生物作为可逆的分子开关器件得以普遍应用。
The photoinduced changes in polarity and molecular structure have led to widespread application of azobenzene derivatives as reversible molecular switch devices.
通过化学反应在PP分子结构中引入极性基团是达到PP功能化的根本途径。
Introducing polar group onto molecular structure of PP via chemical reaction is deemed as a primary means for functionalization of PP.
结果表明,通过电子束辐照可在HDPE分子链上引入含氧极性基团,使HDPE的表面自由能增大,极性增强,与水的接触角减小。
The experimental results show that polar groups (mainly carbonyl group) are introduced into the molecular chains of HDPE during electron beam irradiation, the polarity of HDPE is thus increased.
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.
在LLDPE的大分子上没有极性基团,它与很多基材如金属、塑料、玻璃和低的粘结力很差。
There is no polar radical on the macromolecules of LLDPE. It has poor adhesion to many substrates such as metal, plastics, glass and paper.
研究发现,焦化蜡油中主要的富氮组分是较小分子的戊烷不溶物,或者是更小分子、极性较强的己烷不溶物。
It is found that the major nitrogen sources in coker gas oils are associated with relatively small pentane insoluble species and an even smaller, highly polar, hexane insoluble species.
通过乙醚和乙酸乙酯萃取可得到极性不同的组分。分析表明,各级分的分子量分布范围不同,且相对较窄。
Various fractions of tannins with different polarities and relatively narrow molecular weight distribution were obtained by extractions using ether and ethyl acetate sequently .
在PP大分子链上接枝含极性基团的乙烯基单体,可显著提高PP的阻燃性能;
The introduction of the vinyl monomer containing polar group into PP macromolecular chain could improve the flame retardance of PP obviously.
阴离子型聚电解质在极性溶剂中会发生电离,导致大分子链上带有大量的净负电荷。
Anionic polyelectrolytes can ionize in polar solvent, forming macromolecule chains with lots of anionic charge.
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.
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.
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