原料 - 关于原料的双语例句 - 原料造句 - 语文书

为您找到234个与“原料”相关的双语例句：

Isocyanic acid p - chlorophenyl ester was obtained with triphosgene and p - chloroaniline as raw materials.
以对氯苯胺和三光气为原料,合成对氯苯异氰酸酯.
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%.
Using calcium chloridize and sodium phosphate dibasic, this paper synthesizes hydroxyapatite having hexagonal system at 40 ℃.
本文以氯化钙和磷酸氢二钠为原料,在40℃温度下合成了具有六方晶系的羟基磷灰石.
Methods: The synthesis uses urea as material process includes condensation, opening loop, chloridization and nitrosation reaction.
方法以尿素为原料,经缩合, 开环, 氯化,亚硝化而得.
Up to 96 % ee was achieved with 4 - nitro - chalcone as enone substrate.
以 4- 硝基查耳酮为原料的反应,其产物可获得最高达96%ee值.
Caulking and weather - stripping can save another 1,700 pounds per year.
用防水原料填塞缝隙或塞缝片一年也能节省一千七百磅.
Synthesis of terpene - catechol resin from terpene resin and catechol was reported in this paper.
以萜烯树脂和邻苯二酚为原料,合成了萜烯 - 邻苯二酚树脂.
The accepted commercial process is based on 2, 4 - difuloroaniline, through coupling , acylation, hydrolysis and carboxylation reactions.
公认的可工业化的生产方法是以2, 4- 二氟苯胺为原料, 经偶联、酰化、水解、羧化等一系列反应制备.
Carbonic acid can be made into dyes and disinfectants.
石炭酸可作染料、消毒剂等的原料.
A procedure was developed to separate capsaicinoids from Capsicum Oleoresin and Capsicum.
本文介绍了一种以辣椒精及辣椒为原料制备药品级纯度辣椒素类物质的方法.
Paprika Oleoresin is a natural pigment extracted from paprika . Its main compositions are capsanthin and capsorubin.
辣椒红色素是以优质辣椒为原料,采用科学方法提取、分离、精制而成的天然色素.
They appear appeal mainly to young people and are fueled mainly by caffein caffeine.
他们主要受到年轻人的喜爱,而且原料主要是咖啡因.
N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.
以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP ).
Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.
以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.
The mass fraction of n - butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %.
醚化后的催化裂化混合C4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料.
A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol.
采用1,4- 丁二醇、马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.
Methods: The target compound was prepared through a four - step reaction from 4 - bromophenol .
方法以 4- 溴苯酚为原料,经4步反应制得目标化合物阿达帕林.
Bromobenzene, magnesium , antimony trichloride and bromine act as raw materials, dibromotriphenylantimony flame retardant is synthesized.
以溴苯、镁粉、三氯化锑、溴素为原料, 合成了二溴三苯基锑阻燃剂.
Well - distributed rate is the key factor of briquette quality.
原料混合均匀度是影响型煤质量的关键工艺因素.
Boron - substituted polyaromatic mesophase prepared by co - pyrolysis of a tar pitch with pyridine - borane complex under autogeneous pressure.
以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青.

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