-二 - 关于-二的双语例句 - -二造句 - 语文书

为您找到22个与“-二”相关的双语例句：

Hydrocortisone ( HC ), 11� � , 17α, 21 - trihydroxypregn - 4 - ene - 3,20 - dione, is an important grucocorticoid.
氢化可的松 ( hydrocortisone,HC ), 化学名称为11β,17α, 21-三羟基孕甾 -4- 烯 -3,20-二酮, 属肾上腺皮质激素类药.
Production 1,2 hydroxy beta 4 - formic acid, a beta consignment sales produced products.
生产1、4-二羟基萘甲酸、甲萘醌,销售自产产品.
These receptors include bridged dipyrrole ansa - ferrocene, bipyrrole - based catenanes , guanidinium - appended amidopyrroles, 2,5 - diamidopyrroles and pyrrole - 2,5 - diacetamides.
这些阴离子受体包括桥联二吡咯柄型二茂铁、基于联吡咯的索烃、附加有离子基团的吡咯酰胺、吡咯-2, 5- 二甲酰胺和吡咯 -2,5-二乙酰胺.
The second order nonlinear optical material, 2,4 dinitrophenol ( DNP ) was synthesized.
合成了二阶非线性光学材料2, 4-二硝基苯酚 ( DNP),测试了其二次谐波产生(SHG ) 的强度和晶体结构.
The production methods of N, N - dimethylaniline including liquid - phase and gas - phase method are introduced.
介绍了N, N- 二甲基苯胺的两种生产方法 —— 液相法和气相法,综述了N, N-二甲基苯胺国内外生产工艺进展.
Methyl 2, 6 - dichlorophenoxyacetate is prepared with 2, 6 - dichlorophenol , sodium methoxide and methyl chloroacetate as raw materials.
以2, 6- 二氯苯酚、甲醇钠甲醇溶液和氯乙酸甲酯为原料,合成了2, 6-二氯苯氧乙酸甲酯.
Objective : To investigate the CT and MRI features of Subacute intoxicated encephalopathy induced by 1,2 - dichloroethane ( 1,2 - DCE ).
目的: 探讨1,2-二氯乙烷中毒性脑病的CT、MR表现.
With di - iso - butyl dimethoxy DIBS, DQ catalyst was more sensitive to hydrogen regulation.
使用二异丁基-二甲氧基硅烷, DQ催化剂的氢调敏感性更好.
Objective : To study the sampling and determinating method of Ethylene dibromide among the workplace air.
目的: 探讨工作场所空气中1,2-二溴乙烷的采样和测定方法.
AIM To offer reference for further research of 2, 4 - diaryl - 1 , 3 - dithiolane compounds.
目的为进一步设计和研究2, 4- 二芳基 -1, 3-二硫戊环类化合物提供可参考依据.
Our company mainly engaged in all kinds of Sulfur Dyes Sulfur Dyes, 2.4 - diaminotoluene and so on.
本公司主要经营各种硫化染料,硫化染料, 2.4-二氨基甲苯等等.
A series of Copolyimides, derived from hexamethylene diamine ( HMD ) , 4,4� � - diaminodiphenyl ether ( ODA ) and 3,3� �, 4,4� � - oxydiphthalic dianhydride ( ODPA ), were prepared.
采用二苯醚3,3, ′4, 4′-四甲酸二酐与己二胺和4, 4′-二氨基二苯醚为单体合成聚酰胺酸, 经热酰亚胺化制备共聚型聚酰亚胺.
A series of 2, 4 - diamino - 6 - substituted piperazine quinazolines was synthesized.
本文报道2, 4-二氨基 -6- 取代哌哗嗪基喹唑啉衍生物的合成及其抗疟活性.
The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 naphthoquinone by bromination, cyanation and O alkylation.
研究了以1,4-萘醌为原料,通过溴代、氰化和O-烷基化三步合成1,4-二烷氧基萘-2,3-二甲腈.
A sensitive chromogenic reagent , 2 - ( 4 - chloro - 2 - phosphophenylazo ) - 7 - ( 2,4 - dichlorophenylazo ) - 1,8 - dihydroxy - 3,6 - naphthalene disulfonic acid ( abbreviation : DC - CPA ), has been used in the spectrophotometric determination of bismu
研究了 2- ( 4-氯 -2- 膦酸基苯偶氮 ) -7- ( 2, 4- 二氯苯偶氮 ) -1, 8-二羟基-3, 6- 萘二磺酸 ( DC -CPA ) 与铋的显色反应.
Five pairs of carbazole derivative enantiomers were resoluted with a cellulose tris ( 3, 5 dimethyphenylcarbamate ) chiral column.
用纤维素-三 ( 3, 5-二甲基苯基氨基甲酸酯 ) 手性固定相拆分了5种咔唑羧酸衍生物对映异构体.
The uses and synthetic methods on 2,4 - Dichloro - 5 - Fluoro - benzoic acid were described in detail.
简要概述了2,4-二氯-5-氟苯甲酸的用途及其合成方法.
The different contents of various alkylation products were obtained with different catalysts.
烷基化产物以4-枯基苯酚,2,4-二枯基苯酚及2,4,6-三枯基苯酚为主.
In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.
在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.
The reaction 5 - amino - lH - pyrazole with 2,4 - dichlorophenoxy acetyl chloride was studied.
2.研究了 5- 氨基 -1H- 吡唑与2,4-二氯苯氧乙酰氯反应的选择性和反应性能.