Second, the selectivity depends on the Coulomb interaction on the surface, not the lipophilicity.
第二,选择只与表面库伦作用力有关。
Second, the selectivity depends on the Coulomb interaction on the surface, not the lipophilicity.
第二,选择只与表面库伦作用力有关。
The preys spectrum had certain selectivity,appulsive on the Lepidoptera especially the large-scale larva, appulsive on differentstand also.
对于不同类型林分也有不同趋向,对灌木、小木等害虫防治效果显著,而对于比较高大树木上害虫防治效果较差。
The catalytic activity and selectivity for hydrodesulfurization(HDS) and hydrodenitrogenation(HDN) were studied by using benzothiophene(BT), dibenzothiophene(DBT) and quinoline as model compounds.
实验结果表明,升高反应温度和压力均提高催剂加氢脱硫、加氢脱氮活;
Glutamic acid fermentation is a kind of biochemistry fermentation engineering.Its selectivity is undivided comparatively.It is oxybiotic fermentation and is strict to air quality.
谷氨酸发酵是一种对发酵菌种选择比较专一发酵工程,且为好氧发酵。
Cyanopyridine,intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.
以4甲基吡啶为原料,在固定床反应器中通过含氧钒催剂发气固相接触氨氧反应制备雷米封中间体4氰基吡啶,4甲基吡啶转率为99%,4氰基吡啶选择为88%,收率为87。
Of these ions,only 2,6 dinitrophenol,2,4 dinitrophenol and molybdic acid cation show their selectivity coefficents being more than 1 0×10 -2 .
测定了电极对硝酸根等干扰离子选择系数,仅2,6二硝基酚、2,4二硝基酚和钼酸根选择系数大于10×10-2。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙酮和溴苄为烷基试剂,以高产率和100%转率以及100%选择得到了酚O-烷基产物。
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