1) selectivity constant
选择性常数
2) anomalous selectivity
逆常规选择性
3) selectivity
[英][silek'tiviti] [美][sə,lɛk'tɪvətɪ]
选择性系数
1.
A mass transfer equation and equations for evaluating mass transfer coefficients and selectivity have been derived by taking into account the dissociation of ammonia in water.
针对气扫式膜蒸馏脱除水中氨的过程,以传质基本理论为依据,导出了考虑水中氨解离的总传质系数表达式,并建立了利用实验结果计算总传质系数和选择性系数的方程。
2.
The effect of H2SO4 concentration and reaction time on the xylose yield and the selectivity of hemicellulose hydrolysis in corn stover under 121 ℃ was studied by response surface methodology.
通过响应曲面法,研究了反应温度为121℃时,不同硫酸浓度和反应时间对玉米秸秆中半纤维素水解为木糖的产率以及选择性系数的影响。
4) selective enumeration
选择性计数
1.
The selective enumeration of microbes in the mixed strain healthy yogurt were studied in this paper.
对多菌种保健酸奶中各微生物的选择性计数方法进行了研究。
2.
The selective enumeration effects were tested.
根据嗜酸乳杆菌、植物乳杆菌、嗜热链球菌和保加利亚乳杆菌对不同碳水化合物的选择性利用,设计了适合上述4种乳酸菌的选择性计数培养基,并对其效果进行了验证。
3.
With the rapid development of basic research and application of Bifidobacterium in food,the method of selective enumeration of Bifidobacterium becomes very important.
随着双歧杆菌基础研究和开发应用的迅速发展,双歧杆菌活菌计数方法越来越重要,实验目的是要选择1种适于选择性计数产品中双歧杆菌菌落数的培养基。
5) selectivity coefficient
选择性系数
1.
The ion selectivity coefficient was detected and the effect of different pH value was investigated.
实验测定了F-的选择性系数,并选择了测定F-的适宜pH范围。
2.
This paper adopts with experiment report form to mix the solution selectivity coefficient of equipotential law mensuration fluorine electrode, determine to survey F~-suitable pH scope, survey the content of fluorine in running water respectively with the standard and method of calibrating curve by addition of law.
采用混合溶液等电位法测定氟电极的选择性系数,确定了测定F-的适宜pH范围,用校正曲线法和标准加入法分别测定了自来水中氟的含量。
3.
In this paper, the theory and methods of detetermination and the design of testing system for ion exchange selectivity coefficient are described.
本文叙述了离子交换选择性系数的测定原理、测定方法以及试验体系的设计;实测了强酸阳树脂RH-Na、RNa-Ca和RH-Ca交换体系的选择性系数,并对不同条件时选择性系数的规律性作了初步探讨,得出了不同条件时选择性系数的一般规律。
6) selective index
选择性指数
1.
The result shows as follows:the sequence of catalyst activation,D>A>B>C;selective index of linolenate(S Ⅱ),A>B>D>C;linoleat(S Ⅰ),B>A>C>D.
本文在金属元素和组成固定的条件下 ,利用正交实验研究了催化剂的制备条件 (沉淀温度A、老化平衡时间B、干燥温度C、加料方式D)对大豆油加氢催化剂活性与选择性的影响 ,发现影响催化剂活性的顺序是D >A >B >C ,影响亚麻酸选择性指数SⅡ 的顺序是A >B >D >C ,亚油酸选择性指数SⅠ 的顺序是B >A >C >D ,其最佳制备条件是沉淀温度 70℃ ,老化平衡时间 4 0min ,干燥温度 1 0 5℃ ,加料方式为并加法。
2.
Otherwise,the quantative relationship among selective index(SI) on hydrogenation .
２５０ｇ／ｋｇ），初步建立了玉米油氢化的选择性指数（ＳＩ）与催化剂主要制备条件（沉淀温度、载体与活性物配比）及氢化工艺参数（Ｔ、Ｐ、Ｃ）之间的定量关系。
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条