ratio of concentration

A ratio of concentration and time method for determining a reaction order and calculation the rate constant

浓度&时间比法确定反应级数和计算速率常数

The influence of the monomer concentration, reaction temperature, concentration of initiator and retention time on the grafted ratio was studied.

通过对聚丙烯进行官能化，并主要研究了反应单体浓度、反应温度、引发剂浓度和停留时间对接枝率的影响。

The ratio of gastric emptying dysfunction in 110 cases was 14. 5%, among 16 positive subjects domperidone was taked orally, FBH concentration descended remarkablely ( P < 0.05).

110例成人胃排空障碍检出率14.5%，对16例阳性者经吗叮啉治疗，空腹呼气氢浓度较治疗前显著下降（P<0.01）。

Using plot of pyrene I1/ I3 ratio versus logarithm of different mass concentration of collagen, the critical aggregation mass concentration ( CAMC) was0.

运用芘I1/I3值与胶原蛋白质量浓度对数的关系，通过作图法确定胶原蛋白的临界聚集质量浓度（CAMC）为0。

It was showed that the polymerization conditions, such as different catalysts, Al/ M ratio, reaction temperature, reaction time, different solvents and monomer concentration, had great effects on the catalytic activities and the viscid average molecular weight of polynorbornene ( PNB).

此外，不同的聚合条件（单体的浓度、MAO的浓度、反应时间、溶剂种类、聚合温度等）对催化剂Cat1-10的催化活性及其聚合物的分子量都有影响。

Usually it was thought the molecular concentration was in direct ratio of the absolute value of discharge current for concentration modulation technique& twice the discharge frequency f.

浓度调制通常被认为是瞬态分子的浓度正比于放电电流幅度的绝对值，即为放电频率f的2倍。

The relationship between ratio of graft and cerousion concentration, monomer concentration, temperature of reaction were discussed.

讨论了接枝率与铈离子浓度、单体浓度、温度的关系；

OBJECTIVE : To discuss the way to raise the market concentration ratio of pharmaceutical industry in China.

目的: 探求提高我国医药产业市场集中度的途径.

Results: The optimum extraction conditions uere as follows: water sample ratio 1 ∶ 10 、 pH7.5 、 extaction temperature was 90 ℃、 one hour every time 、 ethanol concentration was 95%. made the experiment foundation for optimizing the extraction methods of Agrocybe cylindracea polysaccharides.

结果：提取茶树菇多糖的最佳工艺条件是浸提比1∶10、pH7.5、浸提温度90℃、浸提时间1h、乙醇浓度95%，为改善茶树菇多糖的提取方法提供了实验基础。

CAIS Correction for Blood Matrix Effect on Determination of Lead Concentration and Isotope Ratio by ICP-MS

CAIS法校正ICP-MS测定血铅浓度及同位素比值基体效应的研究

At first, the thesis introduces three main indexes which reflect funds' stock-possessed concentration ratio, i.e.: concentration ratio of first ten stocks, the concentration ratio of first five sectors and the number of stock holders.

本文首先介绍了反映基金持股集中度的三个主要的指标，即：前十名股票的集中度、前五大行业的集中度和持股家数。

In phase graph, some rules is learned, which slope of equilibrium of curves is decrease with the increase of volume fraction of extractant B, that is the ratio of concentration of lincomycin in extractant and in raffinate gradually increasing, and extraction was so.

在相图中发现随着萃取剂B浓度增加，平衡线的斜率逐渐减小，即萃取相中林可霉素浓度与萃余相中林可霉素浓度比值逐渐增加，萃取率逐渐上升。