查询词典 selectivity

The method has good selectivity and has been applied for the determination of the amikacin i...

方法具有良好的选择性，用于人体血清及尿样中阿米卡星的测定，结果满意。

It has been shown previously that the conversion and selectivity were not affected by the pulse size.2

它已被证明以前说的转化率和选择性，并没有受到影响，利用脉冲size.2

The water adsorbed on catalyst is very important to selectivity, but its effect on activity is quite small.

水是影响催化剂选择性的重要因素，但对活性影响不大。

Its advantages are high selectivity and high conversion.

具有高选择性和高转化率的特点。

We haven't found any convincing evidence that selectivity or prestige matters.

我们还没有找到任何可信证据表明选择或威望的重要性。

High activity at low temperatures (200～250℃) and high selectivity were achieved.

得到的主要结果和结论如下

The conversion of cyclyopentadiene reached 100%, and the selectivity to cyclyopentadiene was over 99%.

结果表明环戊二烯的转化率可达到100％，环戊烯的选择性和收率都达到99％以上。

In this paper, the effect of mixed surfactants on improving the selectivity of Fe3+-CAS color reaction was investigated.

本文研究了混合表面活性剂对显色反应选择性的影响。

Liquid membrane separation technology has exhibited an excellent character on separating and enriching metal ions and organic contaminations in the wastewater due to their fast mass transport, great selectivity, high separation efficiency, convenient processes and easy automatization.

液膜分离技术具有传质速度快、选择性好、分离效率高、操作简便和易于实现自动化等特点，在分离和富集废水中的金属离子和有机污染物方面，展示了优良的性能。

Silicon dioxide etching processes with high selectivity to Polysilicon and single crystal silicon are required to fabricate contact structures.

高选择性的二氧化硅对单晶硅及多晶硅的干法腐蚀工艺在半导体加工领域占有重要地位。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。