查询词典 methanol

The catalytic effect of hydrogen fluoride is the most effective and the next most effective is methanol molecule among the four molecules.

在这四种溶剂分子当中，氟化氢的催化效率最高，其次是甲醇分子。

The invention relates to formaldehyde, methanol and N, N-dimethyl hydroxylamine coexisting analysis method.

本发明涉及甲醛、甲醇和N，N-二甲基羟胺共存时的分析方法，属有机化学分析技术领域。

The invention is easy to operate, and has high accuracy. It could take rapid analysis to the coexisting formaldehyde, methanol and N, N-dimethyl hydroxylamine.

本发明的分析方法分析时间短，速度快，操作简易方便，分析精确度较高，可同时对共存时的甲醛、甲醇和N，N-二甲基羟胺进行快速分析。

Incompetently distilled drinks also contain distillation heads, which are poisonous in large amounts and consist mostly of methanol and foul-smelling byproducts of fermentation.

incompetently蒸馏饮料也含有蒸馏元首，这是有毒的，在大量和构成大多是甲醇和臭-闻的副产品发酵。

In this paper, TNT and its five metabolites were separated under the system of 5μm reversed-phase C18 ion-pair column and methanol-water by HPLC.

2，4，6一三硝基甲苯是一种最常用的炸药，它对人体的毒作用有中毒性黄疽、再生障碍性贫血及白内障等。

The methanol yield increased with increasing UV irradiative intensity.

实验结果发现，当光强度增强时，触媒活性也随之增加。

The paper also cites examples to illustrate the popularization and application of the technology of methanol isopiestic synthesis with high-pressure syngas.

举例说明了高压合成气等压合成甲醇技术的推广应用。

Laboratory bioassay was conducted to determine the antifungal activities from the root, stems and leaves extracts of Mirabilis jalapa. The results showed that the methanol extracts of Mirabilis jalapa roots and stems had better inhibition actions to mycelial growth of Alternaria kikuchiana Tanaka and Colletotrichum orbiculare.

通过对其根、茎与叶提取物抑菌活性的室内测试结果表明：紫茉莉根甲醇提取物与茎甲醇提取物对梨黑斑病菌和西瓜炭疽病菌菌丝生长具有较好的抑制作用。

With and without the assistance of one water, ammonia, and methanol molecule, the proton-transfer tautomerisms of 2-hydroxylpyridine are investigated systematically employing the B3LYP/6-311++G** level of theory. Both the keto and hydroxyl form of 2-hydroxylpyridine can exist stably though the keto form is slightly more stable than that of hydroxyl form.

采用量子化学中的密度泛函理论，在B3LYP/6-311++G**计算水平上，系统考察了在水、氨和甲醇分子辅助下，2-羟基吡啶醇式和酮式结构的质子转移异构化行为。

The lag phase of LDL peroxidation of methanol extract of 14 yam tubers are different.

不同种山药甲醇萃取物之LDL氧化延滞期亦有显著不同。

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。