查询词典 methanol

The result of study shows: The best petrol of methanol helps solvents to be alcohol of different cube - compound medicine which Kazakhstan SW17-MTBE makes up, its matching is: The different man's alcohol content is 0.1%, Kazakhstan SW17 content is 0.2%, MTBE is 10%.

研究结果表明：最佳的甲醇汽油助溶剂是异丁醇-哈SW17-MTBE组成的复合剂，其配比是：异丁醇含量为0.1%，哈SW17含量为0.2%，MTBE为10%。

Molecular Formula and Molecular Weight : C27H32O14; 580.53Melting Point and solubility: When crystallized from water ,it contains 6 to 8 mol H2O, mp 83℃. After drying at 110℃ to constant weight, it contains 2 mol H2O, mp 171℃. Sol in methanol,alcohol, acetone, warm acetic acid,dil alkali and hot water.

熔点及溶解度：纯品柚皮甙中结晶水的含量及其熔点因结晶和干燥方法而异，以水作溶剂结晶所得柚皮甙分子中含6～8个结晶水，熔点83℃；而在110℃下干燥至恒重后得到的柚皮苷分子含有2个结晶水，其熔点升至171℃。

A new quasi-oligosaccharide alpha-amylase inhibitor as alcaftadine compound is represented as the formula at right, wherein m is integer of 0-7, n is integer of 1-4 and q is integer of 0-3, The mixture and monomer of the alcaftadine compound are white amorphous powder which dissolves in water and DMSO easily, dissolves in methanol, alcohol and acetone slightly and not dissolves in other organic solvents.

一类新的拟低聚糖类α-淀粉酶抑制剂，阿卡他定系列化合物，具有如右通式的结构，其中，m为0～7的整数，n为1～4的整数，q为0～3的整数。所述通式所示的阿卡他定系列化合物的混合物和单体均为白色无定形粉末，易溶于水和DMSO，微溶于甲醇、乙醇和丙酮，不溶于其它有机溶剂。

The major occupational hazards factors in printing ink were benzene, toluene, xylene, ethylbenzene, solvent gasoline, methanol, alcohol, isopropyl alcohol, ethyl acetate, butyl acetate, butyl acetate, dichloromethane, etc. 10 of 1224 samples (0.82%) exceeded the national occupational health standards.

印刷油墨中存在的职业病危害因素种类主要有苯、甲苯、二甲苯、乙苯、溶剂汽油、甲醇、乙醇、异丙醇、乙酸乙酯、乙酸丁酯、二氯甲烷等，检测样品总数1224件，超标样品数10件，超标率为0.82%。

The synthetic liquid fuel is compounded with basic material including methanol and ethanol as well as additives including stearic acid, peroxide of oil and grease, potassium chlorate, zinc peroxide, methyl benzene, methane, cyclohexane, etc.

本发明是一种合成液体燃料及其生产方法，这种燃料由基料甲醇、乙醇和硬脂酸、过氧油脂、氯酸钾、过氧化锌、甲苯、甲烷、环已烷等添加剂经混合加热反应配制而成。

The deleted mutant PAP gene was also cloned into yeast secreted expression pPIC9K vector to form pPIC9K~3, then the vector was transferred into Pachia pastoris GS115 strain. The specific expression protein was secreted into the medium after inducing with methanol and the protein amount reached about 50-60 U g per millilitre measured by UV-absorbed methods in the supernatant of the medium via high density fermentation. SDS-PAGE results showed that there was one protein band in the gel which molecular weight was about 34Ku . The protein could specific react with France PAP antiserum in Western-blotting. Activity tests revealed t

将缺失型PAP基因克隆于酵母分泌型表达载体PPICgK构成重组载体，然后导入毕赤酵母（P8chia nastoris）菌株GSlls细胞中，在甲醇的诱导下，经过酵母高密度发酵进行PAP的表达，经SDS－PAGE分析，结果表明，在培养基上清液中含有一明显的特异性蛋臼条带，大小为34Ku，经Western－blotting分析，该蛋白与法国PAP抗血清有特异性反应，体外活性检测表明该蛋白对TMV的侵染性具有高度的抑制性，说明该 PAP基因在毕赤酵母 GS中也得到了正确表达。

The microstructures of composite membranes were studied by XRD and SEM. The thermal stabilities, methanol permeabilities and proton conductivities were investigated. Water uptakes and dimensional stabilities were also studied. The results indicate that amorphous zirconium phosphates are formed in the composite membrane, and have a good combination with the organic phase.

采用扫描电镜观察复合膜的断面形貌；采用热重分析仪研究复合膜的热稳定性；采用气相色谱测量并计算了复合膜的阻醇性；采用交流阻抗法测量复合膜的质子传导率；同时还研究复合膜的吸水率、尺寸稳定性。

Investigation status and novel advances on Cu-based catalyst for methanol synthesis from syngas are summarized in this paper.

概述了以合成气为原料合成甲醇反应中铜基催化剂的研究现状和最新进展，其中分别讨论了铜基催化剂的制备方法、助剂、活性中心以及甲醇合成的机理和动力学等方面内容。

Sucrose stearates with the different proportion of monoesters were prepared by reacting sucrose and alkyl searate in the presence of alkali catalyst by "methanol process","low soap solvent-free process"and"medium soap solvent-free microemulsion process".

在碱性催化剂存在下，以蔗糖、硬脂酸酯为原料，采用甲醇法、低皂无溶剂法及中皂无溶剂微乳法合成了一系列单酯含量不同的硬脂酸蔗糖酯。

After testing the company says that using clean methanol gasoline can decrease the average consumption of oil by 1.18L every hundred km, the oil-saving rate of 8.7%.

该公司试验表明，使用清洁甲醇汽油百公里油耗平均降低1.18L，节油率为8.7%。

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。