查询词典 acetacetic ester

The ester was hydrolyzed by reaction with concentrated hydrochloric acid, which afforded flavin 7 in 85% yield in a 3:2 ratio of the 7- and 8-regioisomers.

该酯水解反应与集中盐酸，可提供黄素7日在85 ％，产量在1 3：2的比例， 7 -8 - r egioisomers。

The amide local anesthetics andthe amide analog enhanced diazoxide-induced flavoproteinfluorescence by 5% to 20%, whereas ester local anesthetics decreaseddiazoxide-induced flavoprotein fluorescence by 5% to 60% andthe non-amide local anesthetic analogs had no effect.

酰胺类局麻药及其类似物可使二氮嗪激发的黄素蛋白荧光增强5％到20％，而酯类局麻药可使二氮嗪激发的黄素蛋白荧光减弱5％到60％，非酯类局麻药类似物无影响。

The precipitate in liquor is a common problem in distilleries which have to tackle with and the frequent causations are as follows: floccule induced by three kinds of higher fatty acid ethyl ester and microthermal storage and filtration could prevent it; white flakes of precipitate induced by containers for liquor storage such as aluminous pots which produced alumina and mare nectaris which dissolved into coating and then caused precipitate; precipitate induced by undergrade additives and CP grade or AR grade additives could prevent it; precipitate induced by water quality and strict management of water quality could prevent it; precipitate induced by packing materials and the solution was acid water washing for new bottles and liquor filling after the inner of the bottles was completely dry.

白酒产生混浊沉淀是一普遍问题，常见的有絮状沉淀，主要由3种高级脂肪酸乙酯引起，可于低温贮存过滤；白色片状沉淀，由贮酒容器引起，铝罐贮酒，会产生氧化铝溶入沉淀，最好不用铝罐贮酒；酒海贮酒会溶入涂料，造成沉淀，酒海贮酒不宜过久；由劣质添加剂引起，最好使用CP级或AR级添加剂；水质引起，对水处理应严加管理；包装材料引起，新瓶应用酸性水洗，且须控干水后再灌酒。

Methodology: Random sampling in the designated sites in the vegetable producing bases was conducted to collect 120 samples; Gas chromatography and gastity joining flocculus were adopted to test residues of 13 kinds of agro-chemicals such as organic Phosphorus,organic Chlorine and Dalmatian Chrysanthemum Ester remaining on vegetables from the producing bases, free markets and wholesale markets of Hezhou ciaty.

采用随机与定点抽样的方法采集贺州市主要蔬菜生产基地及农贸、批发市场中蔬菜样本120份，采用气相色谱和气质联谱法测定其中13种有机磷、有机氯和拟除虫菊酯类农药残留。

Because of the bad fluidness of palm oil, it can not be used on diesel engine directly. We can transfer it and methanol to the fuel of palm oil methyl ester by transesterification as an alternative fuel of diesel engine.

由於棕榈油的流动性差，不宜直接当燃料使用在柴油引擎上，故可将其与甲醇经由转酯化反应制造出棕榈油甲酯生质柴油燃料做为柴油引擎的替代性燃料。

A salt or ester of fulminic acid .

十七烷酸的一种甘油酯。

A salt or ester of fulminic acid.

雷酸形成的一种盐或酯。

Being better than high quality edible alcohol and produced by mordern scientific technologies, high pure alcohol, with specific properties of its smell, physical and chemical quality index, and content of fusel oil,aldehyde group and ester group, is widely used in liquor-making industry.

1高纯度酒精的定名高纯度酒精的名称已在我国酒精和酿酒行业流行，但我国现行的酒精标准中，尚没有高纯度酒精这个等级，酒精企业中，产品质量达到高纯度酒精标准的也为数不多，高纯度酒精的名称是自发地叫起来的。

Being better than high quality edible alcohol and produced by mordern scientific technologies, high pure alcohol, with specific properties of its smell, physical and chemical quality index, and content of fusel oil,aldehyde group and ester group, is widely used in liquor－making industry.

摘 要：超过优级的食用酒精称之为高纯度酒精，对其气味、含杂醇油、醛类和酯类等感官和理化质量指标都有特殊要求，其生产制作需要现代科学手段。

The manufacturing techniques of Chinese liquor are more complicated than those of distillate liquors in other countries, and even the Chinese liquors boast different styles from each other. There are various trace components in Chinese liquor, of which aliphatic acid, aliphatic ester and fusel oil are the three most important aromatic elements.

中国白酒在工艺上比世界其他各国的蒸馏酒都要复杂得多，酒的风格也各有特点，酒中含有多种微量成分，脂肪族酸类、脂肪族酯类、杂醇油类是其中最重要三大芳香组分。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。