如取代的苯甲酸乙酯的皂化反应。
Such as the replacement of the saponification reaction of ethyl benzoate.
目的探讨芳维甲酸乙酯肿瘤预防的作用及机理。
Objective To investigate the chemopreventive effect of arotinoid ethylster and its mechanism.
实验在氯醛糖加氨基甲酸乙酯麻醉的新西兰兔上进行。
The experiments were performed on rabbits anaesthetized with urethane and chloralose.
考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸乙酯的影响。
The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.
考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸乙酯的影响。
The effects that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ conditions has been studied.
试验结果表明，天然乳胶和聚氨基甲酸乙酯泡沫床垫燃烧得最快。
The results of the tests indicated that latex and polyurethane foam mattresses burned fastest.
这种氨基甲酸乙酯延展覆盖到法兰表面，起到阀门法兰衬垫的作用。
The urethane liner extends over the flange face to serve as the valve's flange gasket.
以己二酸二乙酯为原料，经狄克曼反应合成2-羰环戊基甲酸乙酯。
Synthesis of 2-(ethoxycarbonyl) cyclopentanone by Dieckmann reaction with diethyl adipate as raw material was studied.
一件式衬垫的结实耐用的氨基甲酸乙酯阀座部分也覆盖了阀门内部表面。
The robust urethane seat portion of the one-piece liner covers the interior of the valve.
氯化亚砜滴加到邻氯苯甲酸和乙醇混合物中，反应生成邻氯苯甲酸乙酯。
Thionylchloride was added to a solution consisting of ethanol and o-chlorobenzoic acid to affore o-chlorobenzoic ester.
结果对硝基苯甲酸乙酯收率达98%，硫酸氢钠绝大部分以固体形式存在。
Results: the yield was over 98%, and most of the sodium bisulfate was in the solid form.
汽油，柴油，液化石油气，软麻油，甲酸，甲醛，乌洛托品，甲酸乙酯及化学试剂等。
Gasoline diesel oil LPG oil of softening jute formaldehyde hexamine ethyl formate and other chemical reagents.
汽油，柴油，液化石油气，软麻油，甲酸，甲醛，乌洛托品，甲酸乙酯及化学试剂等。
Gasoline, diesel oil, LPG, oil of softening jute, formaldehyde, hexamine, ethyl formate and other chemical reagents.
以溴代环己烷和苯甲酸乙酯为原料，经过两步反应合成了甲基丙烯酸二环己基苯甲酯。
With bromocyclohexane and ethyl benzoate as raw materials, dicyclohexylphenylmethyl methacrylate was synthesized by two steps.
本文研究了温度和紫外光对食品防腐剂山梨酸、对羟基苯甲酸乙酯的稳定性和防霉效果的影响。
In this paper, the affects of temperature and ultraviolet light on the stability and mildewproof effect of sorbic acid and ethyl-p-hydroxybenzoate used as food preserving agent, was studied.
我们的氨甲酸乙酯食物传送带具有优异的抗脂肪，植物，动物和矿物油，以及化学清洁剂的功能。
Our Urethane food belts have excellent resistance to fats, vegetable, animal and mineral oils, as well as cleaning chemicals.
试验在氨基甲酸乙酯麻醉的家兔上进行，观察乙酰胆碱与肾上腺素对颈动脉窦压力感受器反射的影响。
Experiments were performed on rabbits anaesthetized with urethane. The effects of acetylcholine and epinephrine on the carotid baroreflex were studied with carotid sinus perfusion.
在碱性条件下，用氨基乙酸与二硫化碳、氯甲酸乙酯反应合成了异硫氰基乙酸乙酯，总收率为4 8。
Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48.
探讨了降低葡萄酒中氨基甲酸乙酯的措施，为我国葡萄酒生产中降低氨基甲酸乙酯含量提供了理论依据。
The measures to reduce EC in grape wine were discussed, which provided theoretical evidences for reducing EC content in grape wine.
涂敷导电底材的方法，含水涂料组合物，含氨基甲酸乙酯基加合物的制备方法及含氨基甲酸乙酯基的加合物。
Process for coating electrically conductive substrates, aqueous coating composition, process for preparation of adduct containing urethane groups and adduct containing urethane groups.
氨基甲酸乙酯衬垫采用定点浇铸工艺，在整个阀体、阀腔、填料腔和法兰面区域表面形成全面连续的覆盖衬垫。
The urethane liner is cast in place to form a continuous liner throughout the entire body, chest, packing chamber and flange face area.
该文论述了我国传统的大豆发酵制品-酱油中氨基甲酸乙酯存在的事实和检测方法，并初步分析了其可能的形成途径。
This paper demonstrated the methods for test and the facts that amino ethyl formate did exist in the traditional soy-fermented foods, eg. soy sauce, and primarily analyzed its forming pathway.
江西武山铜矿的浮选实验研究表明：异丙基黄原酸甲酸乙酯与黄药相比，对硫化铜矿具有更高的回收率，精矿中铜品位更高。
Floatation experiment in Wushan copper Mine shows that isopropyl xanthogen ethyl formate has higher recovery ratio and higher copper grade than xanthate when they are used as copper sulfide collector.
上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl ester, and butyl ester, respectively.
上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl est...
氨基甲酸乙酯是一种致癌物质，研究发现，不仅酒类饮料中含有氨基甲酸乙酯，而且在大豆发酵制品等不含酒精的食品中同样不同程度的含有此类物质。
Amino ethyl formate is a kind of carcinogen. Research reported that it existed not only in alcoholic beverages, but also in food without alcohol at different levels such as soy-fermented products.
“我们需要开发新的加工技术，羟甲基糠醛还是一种建筑材料，能够代替例如聚对苯二甲酸乙二酯(PET)这种制作可乐瓶子所需要的塑料，”他指出。
"We need to develop new process technologies, and HMF is a building block that can replace products like PET, a plastic used for soda bottles," he notes.
邻苯二甲酸二乙酯作为一种香味在香水中被使用时，其他的未被列出的成分似乎仅仅是帮助发明这种古龙水的特殊香味，但这并不意味着他们是无害的。
While DEP is used as a solvent in the fragrances, other unlisted ingredients seem to help create the cologne's particular scent -- but that doesn't mean they're harmless.
其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。
Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.
其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。
Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.
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