查询词典 molar quantities

The results show that the yield of compound 5 reached a maximum of 65% under the optimum reaction conditions, where the pH of the reaction medium was 3.8~4.0, the reaction temperature was 85~90 ℃, and the molar ratio of zinc powder to compound 1 was 2.6:1. The optimum oxidant for the selective oxidation of α-methyl on compound 5 was sulfuryl chloride, and the yield of the product was 52.5%.

结果表明，合成化合物5的最佳反应条件为：反应介质pH值为3.8~4.0，反应温度85~90℃，锌粉与反应物1之间的摩尔比2.6：1，产物收率达到65%；化合物5中α-甲基选择性氧化反应的最佳氧化剂为硫酰氯，产物收率达到52.5%。

However, the esterification rate and yield reach 94 % and 89 % with the oil of vitriol as catalyst, and the best reaction conditions are that the weight ratio of catalyst and inhibitor are 2.5 % and 0.6 %, the volume of toluene is 60 mL, the molar ratio of MAA and TEG is 2.2:1 and reaction time is 3 h, and the content of TEGDMA is 88 % analyzed by GC.

以浓硫酸为催化剂，当阻聚剂的用量分别为原料的2.5 %和0.6 %，甲苯用量为60 mL，n：n=2.2∶1和反应时间为3 h时，酯化率和产率分别为94 %和89 %，气相分析TEGDMA的质量百分数为88 %。

But when the molar ratio of TEOS:DDS is 1:1.25, the result materials are particles with different sizes.

当TEOS∶DDS=0.5时，得到的产物是相互粘连的、表面分布不均匀的体系。

Hainan Industrial Co., Ltd., general manager of the first molar崔阳assistant told reporters that the first molar Hainan Department Store main shop "Causeway" will be opened December 25 this year, the news industry brought to Hainan's another strong shock .

海南实业有限公司总经理助理第一磨牙崔阳告诉记者，海南第一摩尔百货主店"铜锣湾"将于12月25日开幕，今年的新闻行业带到海南的另一个强有力的冲击。

Results showed that the relative molar concentrations c(superscript *) of the main gaseous products (CO, CO2, NO and NO2) that were released by the thermolysis of DNTF were related to pressure and temperature.

试验是以1000 ℃s^(-1)的升温速率在800和1000 ℃的温度下进行，用快速扫描傅里叶变换红外光谱实时跟踪分析DNTF裂解的气相产物。

The thiolation of protein and the coupling reaction of thiol protein with liposomes have been investigated, it was found that the degree of substitution was different in spite of the same molar ratio of SPDP to protein.

研究了蛋白质的巯基化和巯基化的蛋白质与脂质体的偶联。

Ionic liquids were synthesized under various molar ratios of Et3NHCl to AlCl3. The effects of ionic liquids and extraction conditions on the thiophen removal and recovery were investigated using thiophen containing n-Octane as model gasoline.

用盐酸三乙胺(Et3NHCl)和无水AlCl3按不同的摩尔比合成了离子液体，并评价了其对模型汽油中噻吩硫的脱除与回收效果。

The existence of the distal third root canal in the lower first molar, which increased by the emergence of root canal missed chances in the clinical treatment, so it is very important to double-check the number of root canals when operating root canal treatment.

下颌第一磨牙远中第三根管的出现增加了临床治疗中遗漏根管的机率，因而根管治疗时对根管数目的仔细检查非常重要。

The apex of the third molar root is mea-sured 11.3mm to the medial alveolarridge.

第三磨牙根尖至内侧牙槽嵴的距离为11.3mm。

The reaction was found to bewith the formation of a single complex in which the molar ratio of Fe+++ tois 1:1. This result has also been confirmed by interferornetric method and potentiometnetitration.

氯化高铁与酚类化合物产生颜色，这种颜色的来源是由於高铁离子与酚某~-形成络离子，所以可以应用Job在1928年所提出的连续变化法(The Method of Continuous Variation)研究这些离子的组成。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！