英语释义

1. ether sense 2a

2. a volatile pyrophoric liquid compound C4H10Zn used especially to catalyze polymerization and to deacidify paper

3. pentanone sense b

4. a colorless liquid ester C6H4(COOC2H5)2 used chiefly as a solvent and plasticizer

5. the ethyl sulfate (C2H5)2SO4

6. deet

片语

Diethyl acetamidomalonate乙酰氨基丙二酸二乙酯

Diethyl phthalate[有化] 酸二乙酯；邻苯二甲酸二乙酯

diethyl ether乙醚，[有化] 二乙醚

diethyl sulfate[有化] 硫酸二乙酯

Diethyl phenylmalonate苯基丙二酸二乙酯

Diethyl phosphite[有化]

Diethyl benzylmalonate芐基丙二酸二乙酯

Diethyl sulfate[有化] 硫酸二乙酯

diethyl carbonate[有化] 碳酸二乙酯

Diethyl fumarate富马酸二乙酯；反丁烯二酸二乙酯

diethyl chloromalonate氯代丙二酸二乙酯

Diethyl azodicarboxylate偶氮二甲酸二乙酯

英汉例句

• some primary reason is given to explain that th sensitivity of the new silver salt spectrophotometry is much higher than that of sdd(silver diethyl dithiocarbamate)method.

  对本方法灵敏度明显高于二乙氨基二硫代甲酸银测砷法的原因，进行了初步分析。

• in this paper, diethyl 3-thienylmalonate was synthesized by two routes. the intermediates and final product were characterized by ms.

  本文通过两条路线合成了3-噻吩丙二酸二乙酯，其中间体及最终产物经ms确认。

• some mesoporous materials of zirconium phosphate were synthesized by hydrothermal method using some templates such as ctab, tbab, diethyl amine, ethylenediamine and urea, respectively.

  分别以十六烷基三甲基溴化铵（ctab）、四丁基溴化铵（tbab）、二乙胺、乙二胺、尿素五种不同的有机胺作为模板剂，采用水热合成法制备了磷酸锆介孔材料。

• with diethyl malonate as the extractant, the condition of extracting gold the electronic scrap was studied.

  研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法。

• in this paper, a modified method for preparing dl-phenylalanine is described, in which benzylation of diethyl acetamidomalonate is carried out under phase-transfer catalytic conditions.

  本文介绍dl-苯丙氨酸的合成，其中，用相转移催化法进行乙酰氯基丙二酸二乙酯的芐基化反应取得较好效果。

• one common phthalate, diethyl phthalate used in fragrances, is still legal in the u.s. as well as in the e.u.—where there are much stricter cosmetic safety standards.

  有一种叫做二乙基邻苯二甲酸盐的常见化合物，在美国就是一种合法的香味剂，在美容品安全标準更为严格的欧盟也是合法的。

• the diethyl phenylphosphonite has been synthesized by using benzene, phosphorus trichloride and ethyl alcohol as main raw materials by two-stage reaction.

  以苯、三氯化磷、乙醇为主要原料，经两步反应合成苯基亚膦酸二乙酯。

• synthesis of 2-(ethoxycarbonyl) cyclopentanone by dieckmann reaction with diethyl adipate as raw material was studied.

  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。

• under the alkali conditions, the gramine condension with diethyl acetamidomalonate to obtain the condensation compound.

  芦竹堿和乙酰氨基丙二酸二乙酯在堿性条件下缩合，得缩合物。

• by reacting isobutyraldehyde with diethyl oxalate using sodium methoxide as catalyst, 3-methyl-2-oxobutanoic acid, sodium salt was prepared by one pot.

  采用甲醇钠催化异丁醛与草酸二乙酯反应，一釜法合成了3-甲基-2-氧代丁酸钠。

• the enanthal diethyl acetal is synthesized catalyzed by sodium bisulfate , with heptaldehyde and ethanol as raw materials.

  研究了以硫酸氢钠为催化剂，庚醛和乙醇为原料来制备庚醛二乙缩醛。

• production technique for cd-2 using n, n diethyl m toluidine as raw material, its usage and demands in market are introduced, investment benefit is estimated simply.

  介绍了以n ，n—二乙基间甲苯胺为原料生产cd—2的工艺技术和cd—2产品用途及国内生产需求情况，并对投资效益作简单测算。

• in this paper one step synthesis of diethyl chlorophosphate(dcp) with benzene was studied and the influence of the operating conditions on the reaction was investigated.

  提出了以苯为介质一步合成氯磷酸二乙酯的方法及其相应的反应条件；

• diethyl glutarate was synthesized using glutaric anhydride and ethanol, which were separated from dicarboxylic acid, as raw material, heteropoly acid as catalyst.

  以从二羧酸中分离出的戊二酸酐和乙醇为原料，用杂多酸为催化剂，合成了戊二酸二乙酯。

• in supercritical area, pc can be degraded completely into bisphenol a(bpa) and diethyl carbonate(dec) whose yield are 92.26% and 88.92% respectively.

  在超临界区中，pc可实现完全降解，其主要单体双酚a（bpa）和碳酸二乙酯（dec）的收率分别为92.26%和88.92%。

• sketch diethyl malonate production and synthetic technology of ester, introduce it′s extensive use in the organic synthesis in detail.

  简述了丙二酸二乙酯的生产和合成技术，详细介绍了它在有机合成中的广泛用途。

• through series of eliminating and substituting reactions, using diethyl oxalate, ethyl propionate, pyrrolidine etc. as starting material, we achieve the new coolant 2(5h) - mpf.

  以草酸二乙酯、丙酸乙酯、四氢吡咯等为原料经消除、取代等一系列反应合成新型生理致凉剂2（5h）-mpf。

• the necessary material of 2-(2-methoethyl) acetaldehyde diethyl acetal was synthesized in addition.

  另外还合成了必需原料2-（2-甲氧基乙氧基）乙醛二乙醇缩醛。

• with the zinc as the catalyst, lactide monomer was obtained by decomposition of low polymer. with the zinc diethyl as the catalyst, the lactide was polymerized to poly(dl-lactic acid).

  以锌为催化剂由乳酸的低聚物裂解制得单体丙交醋，再由二乙基锌引发开环聚合得到高分子量的聚乳酸。

• diethyl fumarate was synthesized with fumaric and alcohol as raw materials and sodium acid sulfate as catalyst.

  以富马酸和乙醇为原料，硫酸氢钠作催化剂合成富马酸二乙酯。

• this flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials.

  这些香料都是以草酸二乙酯与相应的醇为原料，通过酯交换反应来合成的。

• using ditertbutyl peroxide as initiator, diethyl phosphite reacted with aa and amps, then hydrolyzed with conc. hydrochloric acid.

  亚磷酸二乙酯与aa、amps在二特丁基过氧化物引发剂存在下进行调聚反应，然后用浓盐酸水解。

• phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.

  用相转移催化合成了柠檬醛二乙缩醛，提高了产率。

• treatment of 「three wastes」, process feature, and its result were given for producing diethyl malonate from chloroacetic acid by cyanation and esterification.

  前言： 介绍了氯乙酸氰化酯化法生产丙二酸二乙酯时「三废」的治理工艺、技术特点及其效果。

• changes of ir group vibrational frequency in the blends of diethyl silicone and sebacate were studied in this paper.

  研究了乙基硅油与癸二酸酯调和油的ir基团振动频率的变化，发现乙基硅油与癸二酸酯间存在着相互作用。

• this paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.

  讨论了以草酸二乙酯为原料，经过克莱森缩合、环合、氨解反应合成5 甲基异唑3甲酰胺工艺的改进。

• 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。