Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.
采用直接酯化法,将山梨酸与四种醇反应,合成了山梨酸甲酯、乙酯、丙酯、丁酯。
Silicone building waterproof agent: adopt unique workmanship of methyl silicone alcohol sodium class water-proofing agent.
有机硅建筑防水剂:采用独特工艺制成的甲基硅醇钠类防水剂。
This article briefly reported the effects of hemodialysis in treating 13 patients with methyl alcoholism caused by drinking industrial alcohol.
本文简要报道对13例因饮用含甲醇假酒及工业酒精而引起甲醇中毒患者的血液透析治疗效果。
The poison methyl alcohol has been replaced by alcohol to react with Stearic acid and to synthesize the ethyl stearate.
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应,合成了硬脂酸蔗糖酯。
The analysis of product show that the conversion of toluene is 24.3% (expected 16%). Methyl alcohol conversion is 100% and the expected indication of quality is obtained.
生产的产品经过采样分析,甲苯的转化率为24.3%(原设想为16%),甲醇的转化率为100%,达到了产品的预期质量指标。
Extraction of the green pigment The result showed that 80%(V/V) methyl alcohol was the best solvent for the extraction of green pigment.
大蒜绿色素的提取试验首先通过浸提试验筛选最适宜的溶剂及其浓度,确定用80%的甲醇水溶液做浸提溶剂;
In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed.
本文综述了对化学工业具有潜在经济价值的油酸甲酯和油醇的氢甲酰化反应的进展,并介绍了反应产物的应用前景。
Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.
约有30种化合物已从绿茶的香气中鉴别出来,其中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基水杨酸酯。
The photolysis kinetics of chlorotoluron including a little acetone, methyl alcohol and acetonitrile in aqueous solution followed a first order reaction under HPML.
在高压汞灯下,含有少量的丙酮、甲醇和乙腈溶液中,绿麦隆的光化学反应符合一级动力学方程。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂,用梯度升温法,酸、醇直接酯化合成没食子酸正(异)丁酯。
Using baicalin as the standard sample, the flavone substances in pollen of Yunnan pine were determined through methyl alcohol back flow extraction and ultraviolet spectrophotometer.
以黄芩甙为标样,对云南松花粉中黄酮类化合物采用甲醇回流提取,用紫外分光光度法进行测定。
The emerging and rising ultralow blowdown in recent years in the world of methyl alcohol substitutes the fuel.
甲醇国际上近年来新出现的很有发展前途的超低排污代用燃料。
In addition, in the chemical industry, hydrogen is used to produce ammonia, gasoline, methyl alcohol, and many other important products.
除此之外,在化学工业中,氢被用来制造氨、汽油、甲醇以及其他许多重要产品。
A one-step process of synthesis of high-effective catalytic promotor DDS from diphenyldichlorosilane and methyl alcohol was put forward.
提出了由二苯基二氯硅烷与甲醇一步反应制得高效催化助剂DDS的新工艺。
Methods: 40 patients with methyl alcohol intoxication were collected in this study, ct and MR data of brain were retrospectively studied.
方法:搜集40例甲醇中毒患者的颅脑及眼部的CT和MR资料,回顾性分析其CT及MR表现。
Investigated was the removal of organic sulfur from coal in methyl alcohol solution under ultra sonic radiation.
考察了在甲醇溶剂中,超声波辐射下煤中有机硫的脱除。
Methyl alcohol is an important Organic chemical material and is also a kind of clean substitute fuel.
甲醇作为重要的基础有机化工原料,也是清洁代用燃料,在化工、医药、轻工、纺织等行业具有广泛的用途。
Objective: to analyze the ct and MR manifestations of methyl alcohol toxic encephalopathy and to improve the diagnosing capability.
目的:分析甲醇中毒患者的颅脑ct及MR表现,以提高影像诊断水平。
Methyl alcohol was found a suitable solvent for the reaction.
甲醇为反应的良溶剂;
The environment problems in the production technology of methyl alcohol with coke gas were analyzed in this article.
分析了焦炉煤气生产甲醇工艺过程中的环境问题。
The curve law of step is used to determine the freezing points of methyl alcohol and glycol aqueous solution with different density.
利用步冷曲线法测定了不同浓度的甲醇、乙二醇水溶液的冰点。
The research has already proven that a sugar can release free methyl alcohol.
研究已证明代糖能释放自由甲醇。
Eugenol, cinnamic alcohol, phenyl methyl alcohol and phenyl ethyl alcohol have shown to be potential antagonists or partial agonists to octopaminergic receptors in pharmacologic studies.
一些含羟基芳香族植物精油类化合物对美洲大蠊的毒理学研究表明它们是章鱼胺受体的部分激动剂或拮抗剂。
Also used as a raw material in the manufacture of methyl iso-butyl ketone, di-acetone alcohol, hexylene glycol, methyl methacrylate and fine chemicals.
也可作为原料用以制作甲基异丁基酮、二丙酮醇、己二醇、甲基丙烯酸甲酯和精细化学品等。
In four extracts from PMEW treated with methyl alcohol and water, petroleum ether, chloroform and ethyl acetate, extract rate of methyl alcohol and water was the highest.
通过对PMEW萃取分离发现,在甲醇水、氯仿、石油醚和乙酸乙酯四种萃取物中仍以甲醇水的萃取率最高。
The latter method is keen to the LMG's examination, and does not need to add oxidation column , the flowing available methyl alcohol, the operating process is simple, and saves the cost.
后一种方法对隐色孔雀石绿的检测非常灵敏,且不用氧化柱,流动相可用甲醇,操作过程简单且节约成本。
So, it is an important subject for the methyl alcohol producer to study produce mechanism of paraffin wax and dispel the paraffin wax.
因此,研究石蜡生产机理和消除石蜡是摆在甲醇生产人员面前一项重要的课题。
Oxirane, methyl-, polymer with oxirane, monodecyl ether; Decyl alcohol, propoxylated, ethoxylated;
甲基环氧乙烷与环氧乙烷和单癸基醚的聚合物;
The invention discloses a catalyst for preparing paraxylene by methyl alcohol conversion, a preparation method thereof and application.
本发明公开了一种甲醇转化制取对二甲苯的催化剂及其制备方法与应用。
The invention discloses a catalyst for preparing paraxylene by methyl alcohol conversion, a preparation method thereof and application.
本发明公开了一种甲醇转化制取对二甲苯的催化剂及其制备方法与应用。
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