查询词典 molar quantities

The influence of reaction time,dosage of catalyst and molar ratio of cyclohexanol/acid were investigated in the presence of copper sulfate used as catalyst.

在较优催化剂CuSO4.5H2O催化下，考察了反应时间、催化剂用量、醇酸比等因素对酯化率的影响。

The effects of the molar ratio of potassium bromide to cyclohexanol, the amount of water and concentrated sulfuric acid, and reaction time on the yield was investigated.

考察了溴化钾与环己醇摩尔比、水用量、浓硫酸用量、反应时间对产率的影响。

Abstracts The average molar weight of Sulfated polysaccharide 911 was determined by the content of its sulfate group, which was determined by the oxygen flask method at first in this paper, then the content of Sulfated polysaccharide 911 was determined by the decarboxylation method.

摘 要 该文采用氧瓶燃烧法测定了硫酸多糖911的硫含量，根据所测硫含量确定了硫酸多糖911的平均单体式量，然后在此基础上应用脱羧法对硫酸多糖911样品的含量进行了测定。

Objective This study was designed to examine the relationship of children抯 eating habit and initial demineralization of the first permanent molar.

目的 研究儿童饮食习惯与第一恒磨牙早期脱矿的关系。

By using a vitrating digital densimeter (DMA602/60), the densities of glycine and alanine in aqueous methanol, ethanol and propanol solutions were measured at 298.15 K, and the apparent molar volumes calculated. According to McMillan-Mayer approach, the volumetric interaction coefficients were evaluated.

用DMA602/60型震动管数字密度计测定了298.15 K下甘氨酸、丙氨酸分别在纯水和四个不同浓度甲醇、乙醇和丙醇水溶液中的密度，计算了相应的表观摩尔体积，用最小二乘法拟合了氨基酸在醇水溶液中的标准偏摩尔体积。

Third molar or wisdom tooth removal can be performed in your dentist's office, an outpatient surgical facility, or a hospital.

三臼齿或智慧齿的拔除可在牙医诊所、门诊设施或医院进行。

The results show that the current method is more effective than literature methods for estimating the molar diamagnetic susceptibility of an inorganic compound.

结果表明本文的方法在预测无机物反磁磁化率方面比文献方法更有效。

The good QSPR models for the molar diamagnetic susceptibilities can be constructed from 0 G and 1 G by using multivariate linear regression method and artificial neural network method.

由0 G ，1 G 通过多元线性回归和人工神经网络方法均可以得到良好的预测摩尔反磁磁化率的模型。

The NN model for the molar diamagnetic susceptibilities appears more reliable than the MLR model.

而人工神经网络模型对摩尔反磁磁化率的预测结果比多元线性模型似乎更精确。

On the basis of the peak absorption values of the visible spectra of MB, the dimerization constants and the molar absorption coefficients of the monomer and the dimer of MB were calculated.

根据MB特征峰处的吸收光谱值，计算了MB的二聚平衡常数和相应单体、二聚体的摩尔消光系数。并用稳态荧光法和无外加探针的循环伏安法进一步论证了计算结果。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。