甲醇

When using o-xylene carbonyl and methanol, the by-product hydrogen gas with high purity can be obtained.

以邻二甲苯和甲醇为原料时，可获得高纯度的副产品氢气。

Another advantage is that they can be replenished with a new cartridge of methanol in seconds.

另一个优点是它们能够在数秒钟内以新的甲醇匣补充电力。

The experimental results indicated that niobic acid had a better catalysis performance and stability.

试验结果表明，铌酸对催化油酸和甲醇的酯化反应具有较好的活性和稳定性。

This paper systematically introduces the development process and achievements of China's methanol synthesis catalyst.

本文系统地介绍了我国甲醇合成催化剂的研究发展历程和取得的成就。

The ratios of mobile phase (methanol∶acetonitrile∶1% formic acid, pH3.0) were 10∶15∶75, 10∶10∶80, 6∶6∶88 for lettuce, celery and pakchoi cabbage, respectively.

生菜、芹菜和小白菜样品选用的流动相（甲醇∶乙腈∶1%甲酸，pH3.0）体积比分别为10∶15∶75，10∶10∶80，6∶6∶88。

The charge state distribution of lysozyme didn't change significantly before the methanol concentration rose up to 70%.

在甲醇浓度上升到70%前，溶菌酶的ESI质谱图中电荷状态分布没有太大的变化。

METHODS:The serum was added with VC as antioxidant and treated with ethyl acetate to extract rifampiein. The method employed C18 column,and CH3OH-0.025mol/L NaA c(adjust to pH 7.0 with HAc)as mobile phase,chlordiazepoxide as intra-standard,a nd the UV detection wave length was at 334nm.

血清加抗氧剂维生素C后，用乙酸乙酯提取浓集进样，采用C18柱(150×3.9mm 4μ)，以甲醇-0.025mol/L NaAc(用HAc调到pH 7.0)(62∶40)为流动相，氯氮( HT6"，5"K〗艹)/为内标，紫外检测波长为334nm。

The content of DHA in the extracted lipids was highest when chloroform and m...

当氯仿和甲醇以2：1的体积比混合时，提取所得油脂中的DHA含量最高。

Biogas methane can also be used to make methanol, an organic solvent and an important chemical for producing formaldehyde, chloromethane, organic glass, and compound fibre.

沼气甲烷还可以用来制作甲醇，一种有机溶剂，是生产甲醛、甲基氯、有机玻璃和合成纤维的重要化学物质。

Main business scope: polyformaldehyde methylal methanol sodium nitrite sodium sulfide protopine xylene glacial acetic acid soda ash Ethyl acetate ion-exchange membrane caustic soda Chloromethane AEO-9 polyethylene glycol and other major raw materials and products.

多聚甲醛甲醇甲缩醛亚硝酸钠硫化碱片碱二甲苯纯碱冰醋酸醋酸乙酯离子膜烧碱 AEO-9 氯甲烷聚乙二醇等主要原料和产品。

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。