二甲 - 关于二甲的双语例句 - 二甲造句 - 语文书

为您找到47个与“二甲”相关的双语例句：

Alkyl dimethylamine is made from fatty alcohol and dimethylamine by one stage catalysis.
由脂肪醇、二甲胺一步催化法制取烷基二甲基胺.
Amphoteric monomer is prepared with acrylic acid , dimethylamine and chloroethanol by Mannich reaction.
以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体.
The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.
以低含氢硅油、不饱和聚醚、一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.
Marine living beings , plants, animals and human body all contain dimethyl sulfone.
海洋生物、植物、动物和人体均含有二甲基砜.
The purity of dimethyl disulfide was determined by capillary gas chromatography.
应用毛细管气相色谱法测定二甲基二硫的纯度.
Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.
烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.
Dimethyl 4,4'- dimethoxy - 5,6 , 5 ', 6'- dimethylenedioxybiphenyl - 2,2'- dicarboxylate ( α - DDB ) and bicyclol exhibIt'significant antiheptotoxic activities and effectively lower the serum - transaminase level.
4,4’ - 二甲氧基-5,6, 5 ’, 6 ’ - 二次甲二氧基-2,2 ’ - 二甲氧羰基联苯 ( α-DDB ) 和双环醇具有明显的抗肝毒活性,能显著降低血清转氨酶水平.
Magnesium phthalate dihydrate was synthesized by rheological phase reaction.
用流变相反应法合成了二水邻苯二甲酸镁.
Dibutyl Phthalate is a more rare ingredient, but still used also.
而邻苯二甲酸二丁酯虽然是一种很少见的原料, 但仍然在使用.
Last year, the company said it was removing dibutyl phthalate.
去年, 该公司称要从指甲油中去掉邻苯二甲酸二丁酯.
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.
Synthesis of BGM salt from N. N - dimethylaniline by nitrosotion, reduction, diazotization is detailed.
N. N - 二甲基苯胺经亚硝化、还原、重氮等合成BGM盐.
Dettol is a compound disinfectant containing parachlorometaxylenol ( 4 8 % ), surfactant, perfume, etc.
滴露消毒药水为含对氯间二甲苯酚 ( 4-8% ) 、表面活性剂、香料等成份的复方消毒剂.
It is testified that the depolymerized products are terephthalic acid ( TPA ), ethylene glycol ( EG ) and trace diethylene glycol ( DEG ).
解聚产物为对苯二甲酸 ( TPA ) 、乙二醇 ( EG ) 和少量的二甘醇 ( DEG ).
Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.
合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.
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.
Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate in xylene solvent.
用聚丙二醇和甲苯二异氰酸酯为原料, 二甲苯为溶剂合成了聚氨酯型原油破乳剂(PPG).
Colour stability of coker gas oil has been improved by DMF extraction.
以二甲基亚砜为萃取溶剂,用溶剂萃取的方法提高焦化柴油的颜色安定性.
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride an overall yield of 23.4 %.
以氯苯和邻苯二甲酸酐为起始原料,经四步工序合成马吲哚,总收率为23.4%.