The dinitrobenzene with electron-withdrawing group can be hydrogenated much easier than the dinitrobenzene with electron-donating group.
含有吸电子基团的二硝基苯类化合物反应活性明显高于含有供电子基的二硝基化合物的加氢反应；
The electron withdrawing group (F) being introduced into the alkyl groups of then-hexyl ZDDP is able to strengthen chemical adsorption between ZDDP and Fe atoms.
在伯烷基上吸电子基团能增强硫原子与铁原子之间的化学吸附作用力。
“We are starting to witness signs that corporates are withdrawing deposits from banks in Spain, Italy, France and Belgium, ” an anlayst at Citi Group wrote in a recent report.
花旗集团的一位分析师在最近一份报告中这样写道：“我们开始注意到各家公司正将其存款从西班牙、意大利、法国和比利时抽离的迹象。
Moreover, We found that the relaxation time of H2TPP with donating electron group is about 7 times faster than that with withdrawing electron group.
另外，还发现推电子基团取代的卟啉弛豫过程比吸电子基团取代的卟啉弛豫过程快7倍。
Due to the strong electron-withdrawing property of CF3 - group the substitution of ortho-chloro shows a higher probability, implying the in-principle feasibility of the reaction.
由于此物质中CF 3具有强吸电子能力，所以其邻位的氯更易被取代，这就说明此反应理论上是能够发生的。
The pharmaceutical experiment shows that each group of preparation according to the invention has excellent function in the aspect of drug withdrawing.
药理实验表明，本发明的各组制剂在戒毒方面具有很好的作用。
The pharmaceutical experiment shows that each group of preparation according to the invention has excellent function in the aspect of drug withdrawing.
药理实验表明，本发明的各组制剂在戒毒方面具有很好的作用。
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