selectivity

Second, the selectivity depends on the Coulomb interaction on the surface, not the lipophilicity.

第二，择性只与表面的库伦作用力有关。

The preys spectrum had certain selectivity,appulsive on the Lepidoptera especially the large-scale larva, appulsive on differentstand also.

对于不同类型的林分也有不同的趋向性，对灌木、小木等的害虫防治效果显著，而对于比较高大树木上的害虫防治效果较差。

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化剂的加氢脱硫、加氢脱氮活性；

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择性比较专一的生化发酵工程,且好氧性发酵。

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甲基吡料,在固定床反应器中通过含氧化钒的催化剂发生气固相接触氨氧化反应制备雷米封中间体4氰基吡,4甲基吡的转化率99%,4氰基吡的择性88%,收率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的择性系数，仅2，6二硝基酚、2，4二硝基酚和钼酸根的择性系数大于10×10-2。

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烷基化试剂,以高产率和100%的转化率以及100%的择性得到了酚的O-烷基化产物。