甲基 - 关于甲基的双语例句 - 甲基造句 - 语文书

为您找到93个与“甲基”相关的双语例句：

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.
Diisopropyl succinate was synthesized from succinic acid and isopropanol with p - methyl benzenesulfonic acid as catalyst.
摘要以丁二酸和异丙醇为原料及对甲基苯磺酸为催化剂,催化合成丁二酸二异丙酯.
Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.
六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TDI〕.
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.
Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate.
因此术语二烷基碳酸酯包括, 例如甲基乙基碳酸酯.
Two synthesis methods of N methyl diethanolamine and it's application in desulfuration of gas introduced.
介绍了高效脱硫剂N甲基二乙醇胺的两种工业生产方法,及它在炼油厂液化气脱硫中的应用.
The synthesis of naloxone was improved and the method for O - demethylation was investigated.
改进了纳洛酮的合成工艺,尤其探讨了去氧甲基的方法.
The reactivity of wheat straw soda lignin ( WSSL ) can be improved by demethylation modification.
麦草碱木素在碱催化下经脱甲基改性可提高其反应活性.
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.
These polymer support are polyvinylpyrrolidone ( PVP ), sodium carboxymethyl cellulose ( CMC ), chitsan ( CS ) and cyanoethylated cellulose ( CC ).
这些高分子载体包括,聚乙烯吡咯烷酮 ( PVP ) 、羧甲基纤维素钠 ( CMC ) 、壳聚糖 ( CS ) 和氰乙基化纤维素 ( CC ).
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.
Methods: using N - methylephedrine, via condensation with the corresponding substituted cinnamyl chlorides.
方法: 以甲基麻黄碱为原料与取代桂皮酰氯反应成酯.
Commonly used drugs such as methyldopa , Symmetrel, Inderal, cimetidine, scopolamine seasickness patches, and digitalis preparations.
常用药物,如甲基多巴、盐酸金刚烷胺、心得安、甲腈咪胺、莨菪胺晕船膏药和洋地黄制剂.
A gas chromatogram method to detect 3 - methylindole content is established.
建立了三甲基吲哚的气相色谱含量测定分析方法.
Loteprednol etabonate was synthesized through oxidation, acylation, hydrolysis and chloromethylation from the starting material prednisolone.
以泼尼松龙为原料,经氧化、酰化、水解成盐、氯甲基化成酯制得氯替泼诺.
Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination overall yield.
以水杨醛为原料,经缩合、还原、酰化、脱甲基、溴化反应制得苯溴马隆,总收率40.6%.
Abstract: 2 - Chloro - 5 - chloromethylpyridine is an important intermediates of the pesticide and the pharmacology.
文摘: 2- 氯 -5- 氯甲基吡啶是农药和医药的重要中间体.
CHARIOTEER PHARM. has a solidly based Quality Control and Quality Assurance system.
企业始建于1988年,原先提炼碘化钾、二甲基甲酰胺等产品.
With a high rate of carboxy methyl cellulose sodium, can prevent the oil re - precipitation.
*含高比率的羧基甲基纤维素纳, 能防止油污再次沉淀.

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