查询词典 methanol

Results The compounds in decoction of Schisandra chinensis were separated with gradient elution of methanol-water.The similarities of HPLC finger-print chromatogram of decoction of Schisandra chinensis were above 0.90.There were 18 common peaks.

结果 运用梯度洗脱能很好的分离五味子水煎物的各类成分，五味子水煎物的指纹图谱相似度均＞0.90，标示18个共有峰。

We found that sulfide 8a was efficiently oxidized to sulfoxide 8b using 2 mol % of flavin 2 and 1.5 equiv of H2O2 in the ionic liquid PF6/methanol mixture.

我们发现硫化物8是有效地氧化以亚砜8 B条，用2 mol ％与黄素2和1.5 equiv的过氧化氢在离子液体 pf6/甲醇混合物。

This article describes the synthesis of branched flower-like gold nanocrystals and their electrocatalytic activity toward the oxidation of methanol and the reduction of oxygen.

本文简述了支状花形纳米金晶体的合成，以及它们对甲醇氧化及氧气还原的电催化活性。

Because of the bad fluidness of palm oil, it can not be used on diesel engine directly. We can transfer it and methanol to the fuel of palm oil methyl ester by transesterification as an alternative fuel of diesel engine.

由於棕榈油的流动性差，不宜直接当燃料使用在柴油引擎上，故可将其与甲醇经由转酯化反应制造出棕榈油甲酯生质柴油燃料做为柴油引擎的替代性燃料。

The price of methanol, the major feedstock for formalin and

。以甲醛及双氧水的主要原料甲醇为

Catechins were separated and detemined by linear gradient elutions for the rate of flow and concentration, with water, methanol, formic acid and dimethyl formamide as mobile phase.

在选定的色谱条件下每种成分在各自的浓度范围内均具有较好的线性关系，样品的回收率为93 65%～98 95%，相对标准差为0 69%～2 26%。

The carbonylation of methanol is homogeneous phase and hydrogenolysis of methyl formate is heterogeneous phase.

并在假想不同的步骤为反应控制步骤的基础上，提出了可能的30种反应速率方程。

Methanol heterogeneous selective oxidation to methyl formate is developed recently. As methyl formate is more and more important, study of this process is of significance.

甲醇非均相的选择性氧化制甲酸甲酯是一个崭新的课题，由于甲酸甲酯在一碳化学中地位的提高，这项研究有预见性的创新性。

Methanol extracts of two kinds of formicary were investigated for their free radical scavenging activities, total phenolic content, reduction power and antimicrobial activities.

对两种不同的蚂蚁窝进行甲醇提取，并对提取物进行了急性毒性、抗自由基，酚含量、还原能力和抗菌活性的检测。

For Texaco water gas,the methanol synthesis is based on formyl route under high concentration of CO(15%-16% in volume).

认为合成甲醇在相同的工艺操作条件下，由于反应气体成分的不同，造成了反应途径的区别，即焦炉气制甲醇在高CO2的条件下(体积分数6%～9%)，甲醇合成反应主要是以甲酰基途径合成；徳士古水煤气制甲醇在高CO条件下(体积分数15%～16%)，甲醇合成反应主要是以甲酸基途径合成。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。