selectivity

It'shows a thousandfold selectivity for fluoride over other common anions.

它对氟离子的选择性比其它普通阴离子高几千倍.

It also gives schools a higher yield rate, which is often used as one of the ways to measure college selectivity and popularity.

它也给学校提供了更高的收益率,这通常被用作衡量大学选择性和受欢迎程度的方法之一。

The mesh size selectivity can be expressed by logistic or Richards equation.

网目选择性常以Logistic或Richards方程来描述.

It is concluded that the index bears good structural selectivity and relativity.

与其它拓扑指数相比,该指数不仅计算简单而且具有良好的结构选择性和相关性.

The selectivity behavior becomes coupled with the heat release hehavior for this particular reaction.

对这个具体反应来说,选择特性和放热特性关联起来了.

Conversion and selectivity of the reaction both reach 98%.

反应的转化率和选择率均可达到98%。

The main influencing factors on the selectivity of complex reaction are analysed.

分析了温度和浓度是影响复合反应选择性的主要因素.

Their adsorption capacity and selectivity for p-xylene were high.

它们吸附对二甲苯的容量和选择性都很高.

Selectivity of human migration long been the focus of demographers and economists.

人口迁移的选择性一直以来都是人口学家和经济学家关注的焦点

Especially , thepresence of Sn in TiO _ 2-SnO 2-SiO 2 catalyst promotered the selectivity to DPO.

经 Sn 改性后的复合型TiO_2-SnO2-SiO2催化剂,使DPO的选择性明显提高.

A hydrocracking catalyst with high selectivity to middle distillates was developed.

开发了一种具有较高的中油选择性的加氢裂化催化剂.

The Gas Sensor of NO_2 High Selectivity and Its Surface Decorating

NO2高选择性气敏元件及其表面修饰

The characteristics of the method include low background noise, high selectivity and long fluorescence lifetime.

此方法具有背景干扰小，选择性高和体系中铽的荧光寿命长等特点。

The DM membrane possesses fairly good selectivity, chemical stability and scale stability.

DM阳极隔膜具有好的选择性 、 化学稳定性和尺寸稳定性.

The structure selectivity topological index achieves its uniqueness expression.

结构选择性达到惟一性表征.

Schools are tending towards greater selectivity.

学校对新生的选拔有趋严之势。

The side-stream test of a new high selectivity low temperature shift catalyst

新型高选择性低变催化剂的工厂侧流试验

Selectivity of Crystal Growth Direction and Control of Particle Size in Layered Double Hydroxides

双羟基复合金属氧化物的晶面生长选择性及晶粒尺寸控制

And additive also affected the catalyst selectivity significantly.

助剂的加入对催化剂选择性有明显的影响；

This process relies on a catalyst of high selectivity and week activity.

这过程所靠的是一种高选择性和低活性的催化剂.

Solvent post treatment increasing gas selectivity of PSF hollow fiber membrane

溶剂处理提高聚砜非对称中空纤维膜气体分离性能

Activity and selectivity in high temperature's halogenating Reaction

烷烃高温卤代时的活性与选择性

The Endo-conversion 、 Exo-yield andExo-selectivity are 96.46 % 、93.12 % and 96.54 % respectively.

Endo -THDCPD 转化率为96.46%,Exo -THDCPD 收率为93.12%,选择性为96.54%.

Mechanism of Lightning Strike Selectivity During the Process of Discharge

雷电放电过程中雷击点选择性的机理研究

The results showed that B_1 type catalyst possesses good activity and selectivity.

结果表明，B1型催化剂具有良好的催化活性和选择性。

Computational design of special spectral selectivity coatings for a smart radiation device

特种光谱选择性涂层的遗传算法优化设计

And ammonia had effective selectivity for the separation of potassium nitrate.

氨对硝酸钾的选择分离结晶效果较好.

The Analysis and Design of High Power Mode Selectivity Coupler

高功率微波选模定向耦合器的设计制作

The clinical application of selectivity embryo reduction in the forepart multiple pregnancy

孕早期选择性减胎术在多胎妊娠中的临床应用

Such main body's selectivity has the characteristics of activity, creativity, and self-dependence.

这种主体选择性具有能动性 、 造性和自主性.