查询词典 methanol

To investigate the responding behavior of denitrifying bacteria to different carbon source (i.e. methanol, ethanol, sodium acetate, sodium propionate, glucose, domestic wastewater and endogenous carbon source), several batch experiments using the sludge from the Carrousel oxidation ditch were carried out at 15.4℃±0.8℃.

为了研究低温环境下反硝化细菌对各种碳源的直接反应，利用Carrousel氧化沟系统的活性污泥，以甲醇、乙醇、乙酸钠、丙酸钠、葡萄糖、生活污水及内源物质为碳源，在15.4℃±0.8℃低温状态下开展序批式缺氧反硝化试验。

Through the reaction between cyclamate and sodium hypochlorite under acidic media, cyclohexylamine in extracted cyclohexane was separated on VP-ODS column, 250mm × 4.6mm with methanol-water solution(65:35)as mobile phase and detected by UV monitor at 314nm.

在强酸条件下，样品中甜蜜素经次氯酸钠溶液处理后生成环已酰胺衍生物，在波长314nm处有强烈吸收，可直接用紫外检测器测定，建立柱前衍生液相色谱测定儿童食品中甜蜜素的方法。

32P-labeled phospholipid was extracted with chloroform and methanol, and PI3K activity was assayed by scintillation counter.

用PtdIns(4，5)P2，[γ-32P]ATP与重组PI3K p110β催化亚基一起保温的方法测定PI3K的活性；32P标记的磷脂用氯仿和甲醇抽提，加闪烁液于液闪计数仪计数。

Optimum conditions are as follows: DMF is used as solvent, compound quaternary ammonium salt as catalyst, n(p-nitrochloro benzene):n=1: 1.2, m:m(p-nitrochloro benzene)=4%, m:m(p-nitrochloro benzene)1:1, and reacted under 155~160℃ for 18 h; reduction reaction is carried out in methanol with Raney nickel, which is used as catalyst; the raw product is added an antioxidant, and distilled simply under reduced pressure to obtain 4-fluoroaniline with excellence quality, purity is over 99.5%, total yield is 89.3%.

实验结果表明，氟化反应的最佳条件为：二甲基甲酰胺为溶剂、复合季铵盐为催化剂，n：n=1：1.2，m（催化剂：m=4%，m：m=1：1，于155~160℃下反应18h；还原反应在甲醇中进行，以阮内镍为催化剂；粗产品加入抗氧剂，减压条件下简单蒸馏得高品位的对氟苯胺。

Shell′s coal gasification technology has also been licensed in China to manufacture fertilisers, hydrogen and methanol.

此前，壳牌的煤气化技术已经转让给多家中国企业，用于化肥、氢以及甲醇的生产。

Methods The C18 column with methanol- water- phosphorous acid (90∶10∶0.03) as the mobile phase was used. The flow rate was 0.5 ml/min and the detective wavelength was 220 nm .

方法高效液相色谱法，C18柱，以甲醇∶水∶磷酸（90∶10∶0.03）为流动相，流速为0.5 ml/min，检测波长为220 nm。

MethodsThe C18 column with methanol- water- phosphorous acid (90∶10∶0.03) as the mobile phase was used. The flow rate was 0.5 ml/min and the detective wavelength was 220 nm .

方法高效液相色谱法，C18柱，以甲醇∶水∶磷酸（90∶10∶0.03）为流动相，流速为0.5 ml/min，检测波长为220 nm。

An enzyme found in certain plants, bacteria, and fungi that catalyzes the hydrolysis of pectin to pectic acid and methanol.

羟基单价原子团或羟团，是碱、一些酸、酚、醇、羧酸和硫酸及两性化合物的主要成分

The Company perennial operating a variety of organic chemical raw materials, varieties include: methanol, ethanol, ethylene glycol, n-butyl alcohol, isobutyl alcohol, isopropyl alcohol, acetic acid, vinyl acetate, acetic acid acetate, acetic acid small lipid , styrene, toluene, phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulfuric acid, methyl isobutyl ketone, glycol ether, three toluene, octyl resin, melamine, etc. and so on.

本公司常年经营各种有机化工原料，品种有：甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺，等等。

I for Hong Kong and Taiwan-owned business enterprises in the chemical industry more than twenty years of marketing, agent distribution Chemical famous brand, the main service items are as follows: methanol, ethanol, ethylene glycol, n-butyl alcohol, isobutyl alcohol, isopropyl alcohol, ice acetic acid, vinyl acetate, acetic acid acetate, acetic acid Ding resin, styrene, toluene, phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulfuric acid, methyl isobutyl ketone, glycol ether, three toluene, octyl resin, melamine, and so on.

我公司为港台商独资企业，于化工行业行销二十余年，代理经销国外著名化工品牌，主要服务项目如下：甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺，等等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。