esters

The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.

以水华鱼腥藻为材料6种氨基甲酸类农药对藻类毒性效。

The research provided the applicable functional monomer leading urethano into acrylic ester.

为将氨基团引入丙烯酸树脂提供一种可官能单体。

The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.

光学活性杀菌剂合成中间体N-（2，6-二甲苯基）-丙氨酸与l-薄荷醇在催化剂作下，生成非对映异构体薄荷醇。

This work applied the new type capillary column modified by barium sulfate. It has completed the solubilty of high boiling ester in para-methyl-toluate with the method of chromatography.

硫酸钡微晶改性新型毛细管柱.可于色谱法测定完全互熔性高沸点类在对甲基苯甲酸甲中溶解度.

Biocat-alytic production processes have been set up for the manufacture of special esters like cetyl ricinoleate, so-called emollient esters, used as skin caring oils in cremes and lotions.

化妆品行业上已经建立生物催化过程来生产如十六烷基蓖麻醇酸等化妆品工业中。

Xanthic ester is a kind of catcher in the floatation of minerals.Though only a very little amount of xanthic ester is discharged into water, it smells wondrously bad.

[摘要] 浮选矿捕集剂黄原酸极少量地排入水中也能使水味道极其难闻。

Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR，1HNMR，FAB-MS and elemental analysis.

首次合成叠氮亚磷酸及叠氮磷酰胺类化合物，并IR、1HNMR、FAB-MS及元素分析对化合物结构进行鉴定。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙,考察影响反因素。

Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .

脂肪油衍生化、三氟化硼、硫酸3种不同方法对脂肪油皂化、甲化效果,并GC/MS法对柞蚕中脂肪酸成分进行鉴定和分析。

Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.

四溴双酚A、环氧氯丙烷和丙烯酸为原料合成阻燃型乙烯基树脂，其阻燃性能良好。

There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.

［中文文摘］通过分子结构设计,合成一种氮-硼内配位结构硼酸偶联剂,解决硼酸水解稳定性差问题,同时分子结构中含有氨基、丁氧基等活性基团。

Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.

古细菌细胞壁缺乏细菌细胞壁组成普遍物质-胞壁质，其连接是醚连接而不是连接。

It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.

实验发现加入一定量三官能团酸或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃附着力。

The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.

结果表明，半高丛越橘以醇类、类、萜类和酮类物质为主。

A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过一元羧酸和二乙烯基醚反,我们得到一种新颖缩醛结构分子玻璃。

The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.

该方法采硝酸溶解样品,黄原棉富集分离,以硫氰酸盐滴定法进行测定。

Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.

阿托品是治疗由于胆碱类不慎而引起心血管性虚脱特效解毒剂。

The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.

以它为原料增塑剂耐寒性优于丁醇和辛醇类。

Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.

KL升华剂80%，右旋炔戊菊2-3%，功能剂1- 3%。

The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.

本发明方法得到叶黄素脂肪酸含量为70～80％，其中全反式叶黄素达90～95％。