查询词典 acetic aldehyde

The yield of TAMD increased rapidly with increased amount of acetic acid and chloranil in a certain scope, and the yield decreased gradually beyond that scope.

在一定的范围内，醇色体的收率随着二者用量的增加而增加，超出这个范围，收率呈逐渐下降的趋势。

The effect of acetic acid and its consumption, chloranil and its consumption on the preparation of TAMD by means of dioxygen liquid-phase oxidation of TMAL was probed into, and the results showed that both of them had great influence on the yield of TAMD.

探讨了冰乙酸及其用量、四氯苯醌及其用量对氧气液相催化氧化孔雀绿隐色体制取孔雀绿醇色体的影响，发现二者对醇色体的收率和纯度均有很大影响。

The results show, there are many methods for Chloroacetic acid production, but only the Catalytic Chlorination of acetic acid is extensively applied.

结果表明，氯乙酸的生产方法很多，但只有乙酸催化氯化法实现了广泛应用。

Methanol can be further processed to hundreds of organic products, such as formaldehyde, MTBE, acetic acid, sodium methoxide, chloromethane , methyl formate, formamide, 2-methyl formamide etc., the demand for those will be expand in future:① in 2000, the production of formaldehyde is 2,068,000 tons, along with our country continue reinforce the infrastructure, the consumption of formaldehyde will increase rapidly.

甲醇可深加工的有机化工产品有上百种，如甲醛、 MTBE、醋酸、甲醇钠、氯甲烷、甲酸甲酯、甲酰胺、二甲基甲酰胺等等，预计这方面的需求今后会有适度发展：① 2000年我国甲醛产量达206.8万吨，近年随着我国基本建设的不断加强，甲醛消费量增长迅速。

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。

Objective To study the interaction of bile salts, namely sodium taurocholate, sodium tauroglycocholate, sodium deoxycholate and cow sodium cholate, with Cu2+ in acetic acidsodium acetate buffer.

目的 研究弱酸性介质中，牛磺胆酸钠、甘牛胆酸钠、胆酸钠和脱氧胆酸钠等4种胆酸盐与Cu2+离子相互作用。

This study has hypothesized that high concentration of nitrate, acetic and chorine ions in the scrubbing water lowers the water vapor pressure which in turn reduces the relative humidity of the scrubber outlet from 90~100% to below 80%. As a result, nitric acid can't absorb water to grow into visible white smoke particles.

本研究推论白烟消失的原因是因为含有高浓度硝酸根离子、醋酸根离子及氯离子之洗涤水蒸气压变低，使得洗涤塔出口的相对湿度由90~100%降低至80%以下，因而使得硝酸无法反应及成长成可见之白烟微粒。

The high performance liquid chromatograph shows that the final hydrolysis products include glucose and acetic acid.

等离子体与淀粉溶液反应产生的酸对淀粉水解的贡献很小。

The highest e.e. formethyl lactate, 97.6%, was achieved on a 1.4 nm PVP-Pt modified with cinchonidine under298K, 4.0MPa, in acetic acid.

PVP-Pt在负载于〓上以后仍表现出不同于传统催化剂的特性，即反应的结构非敏感性。

Objective: To explore the effects and mechanism of CD4+CD25+ regulatory T cells in mouse experimental colitis treated by CLYSTER No. 1. Method: The mouse model of experimental colitis was established by dinitrochlorobenzene-acetic acid in mice DNCB and AA.

中文摘要：目的：探讨CD4+CD25+调节性T细胞在2，4-二硝基氯苯和醋酸复合法诱发的小鼠溃疡性结肠炎中的变化规律及中药灌肠1号治疗的作用机制。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48