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- However when the solvent is isopropyl alcohol or non polar solvent the decomposition value of monocrotophos is about 5% in the same condition. 但用异丙醇或非极性溶剂作溶剂时,在相同的条件下,久效磷的分解率为5%25左右。
- Fluorobenzonitrile(4 FBN) was prepared by fluorination of 4 chlorobenzonitrile(4 CBN) with potassium fluoride using 1,3 dimethyl 2 imidazolidone (DMI) as a non polar solvent. 以4氯苯甲腈(4CBN)和无水氟化钾为原料,1,3二甲基2咪唑啉酮(DMI)为反应介质,经氟化反应合成了4氟苯甲腈(4FBN)。
- The influence on separating non polar systems of C4 fractions by extractive distillation with addition of salt in terms of relative volatility at infinite dilution was studied. 以C4为例利用无限稀释相对挥发度的试验测定结果,研究加盐萃取精馏分离非极性体系的影响规律。试验研究表明,溶剂加盐能够提高C4组份之间的相对挥发度,且比一般有机溶剂效果明显;
- The vapor liquid equilibria and critical properties for 10 non polar chain like fluids and 6 associating fluids are investigated by combining the renormalization group (RG) theory and the Yukawa EOS extended for chain like fluids. 结合重整化群 (RenormalizationGroup ;RG)理论和适用于链状流体的Yukawa状态方程 ;研究了 10个非极性链状流体和 6个缔合流体的汽液相平衡和临界性质 .
- This orientation will lead to a higher oxygen concentration in the catalyst layer (O2 has a much higher solubility in non polar backbone) and should produce a much improved ORR performance. 这一方针将导致更高的氧气浓度在催化剂层( O2已经相当高的溶解度在非极性骨干) ,并应产生一个很大的改进奥尔性能。
- One problem is the poor ability of nonpolar CO2 to dissolve polar compounds. 近几年来,世界各国科学家一直在努力探索二氧化碳转化为汽油的问题。
- If unclear or unknown of polarity of circuit indication. Non polar capacitor is recommended to be used. 在电路回路中如不清楚或不明确线路的极性时,则建议使用无极性电解容器。
- Like Carbopack B, PMWCNTs modified with 5%(w/w) Carbowax 20M can be used to separate polar compounds. 理论塔板数较小。 此外,和CarbopackB一样,PMwCNTs涂渍5%25(w/w)的Carbowax 20M后可用来分离极性化合物,甚至是强极性的小分子有机酸。
- non polar velocity-diagram method 无极速度图法
- Similar to Carbopack B, PMWCNTs modi fied with 5%(w/w) Carbowax 20M can be used to separate polar compounds, even lower organic acids. 理论塔板数较小 .;此外;和CarbopackB一样;PMWCNTs涂渍 5%25 (w/w)Carbowax 2 0M后可用来分离极性化合物;甚至是强极性的小分子有机酸
- The two systems of government are polar opposites. 这两种政体正好相反。
- However, there were no chromatographic metabolites seen in this experiment to verify the metabolites are polar compounds with ethyl acetate applied to the extract of BBP from the lung homogenate. 采用乙酸乙酯进行灭活萃取 ,在本实验条件下没有检测到代谢产物 ,说明代谢产物极性较大 ,没有被乙酸乙酯萃取出来。
- The new method gives a satisfactory prediction for polar compounds, with only a knowledge of the critical temperature, critical pressure, acentric factor and reduced dipole moment. 在新的非极性流体预估式的基础上,应用对比态原理,给出了酮、醛、醚和含氮化合物极性流体的优化参数,并对其进行了经验关联,使本预估式能应用于大部分非氢键,弱缔合效应的极性流体。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Study on Wheat Straw Surface Free Energy and Its Polar and Non Polar Part 麦秆表面自由能及其分量研究
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。