一种乙酸酯,用于纤维、织物、照相胶卷和清漆中。
An ester of acetic acid; used in fibers and fabrics; photographic films and varnishes.
合成了一种新的乙酸2-辛基十二烷醇酯。
醋含有乙酸——阿司匹林的一种成分。
Vinegar contains acetic acid -- one of the components of aspirin.
其中一个初始的细菌经历了一次变异,分泌出了一种有机化学物质乙酸酯。
One of the original bugs had undergone a mutation that caused it to excrete acetate, an organic chemical.
其中有一个初始的细菌经历了一次变异,使它分泌出了一种有机化学物质乙酸酯。
One of the original bugs had undergone a mutation that caused it to excrete acetate , an organic chemical.
摘要目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
亚氨基二乙酸是一种用途广泛的重要精细化工中间体。
Iminodiacetic acid is a widely used and important intermediate in the fine chemical industry.
提出一种新的合成巯基乙酸的方法,即铁还原法。
This article presents a new synthetic method of Thioglycolic Acid - reducing method of iron.
二羟乙酸l -薄荷酯是一种重要的手性试剂。
乙酸钠是一种在很多移动暖炉内发现的化学物质,如果你准备一瓶饱和溶液,将其倒在籽晶上,乙酸钠就会猛地变成晶体。
Sodium acetate, the chemical found in many hand warmers, will suddenly crystallize if you prepare a saturated solution and pour it onto a seed crystal.
证明了双乙酸钠是一种优良的防腐剂,为其在食品、粮食、饲料等领域的防霉保鲜应用提供了一定的依据。
Sodium diacetate is proved to be an excellent preservative and the experiment provided the basis for its application in the field of foodstuff and feed.
前言:目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
Objective: to found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.
一种带共沸精馏分水的新型酯化反应实验装置用于合成乙酸异戊酯。
A new esterification equipment with a water separator by azeotropic rectification was used to the synthetic reaction of isopentyl acetate.
蓝靛果乙酸乙酯提取物是一种具优势的消化性溃疡治疗药物。
EELC is a suit medicine of gastric ulcer because it possesses the inhibitory effect of gastric ulcer protective.
一种清除口香糖残渣的清除剂由二硫化碳、二氯甲烷、乙酸乙酯、司班-80、环己酮及十二烷基苯磺酸钠及水组成。
The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.
有人作证说,膨胀石墨是一种有效的催化剂在乙酸与异戊醇的酯化反应。
It was testified that expandable graphite was a kind of effective catalyst in the esterification of acetic acid with isoamyl alcohol.
聚羟基乙酸是一种简单的聚酯,它具有优异的可生物降解性和生物相容性,是一类较重要的医用高分子材料。
Polyglycolide acid is one of the most important polymer material used in medicine because of its superior biodegradability and biocompatibility.
氯乙酸作为一种重要的有机化工中间体,广泛应用于农药、医药、染料、CMC、香料、食品防腐剂和多种精细化工产品中。
Monochloroacetic acid is an important organic chemical intermediates, which is widely used in pesticides, medicine, dyes, CMC, spices, food preservatives and various fine chemical products.
本发明公开了一种可用于二乙醇胺氧化脱氢反应制亚氨基二乙酸的负载型催化剂制备方法和应用方法。
The invention discloses a method for preparing the carrier catalyst which can be used in aminoethyl alcohol dehydrogenation reaction to prepare the iminodiacetic acid, and relative usage.
本发明公开了一种胍基乙酸及其盐的合成方法。
The present invention discloses a method for synthesizing glycocyamine and salt thereof.
乙酸又称醋酸,广泛存在于自然界,它是一种有机化合物,是典型的脂肪酸。
Acetic acid, also known as acetic acid, widely found in nature, it is an organic compound, is a typical fatty acids.
聚羟基乙酸是一种简单的聚酯,它具有优异的可生物降解性和生物相容性,是一类较重要的医用高分子材料。
Polyglycolide is a kind of simple polyester. It has excellent biodegradability and biocompatibility. And it is an important macromolecule material for medicine.
乙二胺四乙酸二钠是一种优秀的络合剂。
Disodium ethylenediamine tetraacetate is a good sequesterant.
氯乙酸是一种重要的有机化工原料,对皮肤具有较强的腐蚀性,可经破损皮肤吸收,引起脑、肝、肾、肺、心脏等多种器官损害。
Chloroacetic acid is an important material used in the organic-chemistry industry. It has strong corrosiveness to skin and can cause brain, liver, kidney, lung and myocardium injuries via burned skin.
食品工业方面,在食品添加剂列表E260中,乙酸是规定的一种酸度调节剂。
Food industry, in the list of E260 food additive, the acid is to provide an acidity regulator.
研究了镉 ( ) -蛋白质衍生物在氨基乙酸 -氢氧化钠缓冲介质中的极谱行为 ,提出了一种灵敏的蛋白质测定的新方法 。
The polarographic behavior of cadmium protein derivant was studied by means of single sweep polarography and a new sensitive method for the determination of proteins presented.
乙酸正丁酯是一种性能优良的有机溶剂,广泛应用于制药、涂料等行业。
N-butyl acetate is of excellent performance as an organic solvent, which is widely used in the pharmacy and the painting.
在铜盐催化剂的作用下,重氮苯乙酸甲酯与吗啉衍生的烯胺能够发生一种新型加成反应。
A novel addition reaction of methyl phenyldiazoacetate to enamine(which was prepared from acetophenone and secondary amine) was investigated using copper salt as a catalyst.
在铜盐催化剂的作用下,重氮苯乙酸甲酯与吗啉衍生的烯胺能够发生一种新型加成反应。
A novel addition reaction of methyl phenyldiazoacetate to enamine(which was prepared from acetophenone and secondary amine) was investigated using copper salt as a catalyst.
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