乙 - 关于乙的双语例句 - 乙造句 - 语文书

为您找到366个与“乙”相关的双语例句：

This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.
从苯乙腈制取苯基硝基甲烷就用这个方法.
Poly alcohol has been protected against radiation by benzalation and benzoylation.
聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.
Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.
聚乙烯醇的耐辐解可通地苄叉化和苯甲酰化提高.
The products were analyzed simultaneously using ethyl benzoate ( EB ) as internal standard.
以苯甲酸乙酯为内标物,一次性同时分析了塔釜产物中各组分含量.
Belladonna Tincture, is a widly used preparation that consists of an aqueous - alcoholic extract of belladonna leaves.
颠茄酊是一种应用广泛的制剂.它是颠茄叶的水和乙醇浸出物.
TITAN : Each plate contains agarose in barbital buffer with 0.02 % thimerosal added as a preservative.
TITAN:每皿含有琼脂醣在巴比妥〔二乙基丙二醯尿素〕缓冲剂中,并加了0.02%有机汞作为防腐剂.
Strips of colored vinyl film embellish the staircase balustrades'tempered - glass panels Vinyl upholsters the banquette nearby.
彩色的乙烯基薄膜条带装点着楼梯栏杆处的钢化玻璃嵌板.
Whenever a plant responds to applied , i . e . , unbalanced, applications of auxin, ethylene is produced.
当一植物对不平衡地施用生长素起反应时, 总是产生乙烯.
A method was developed to determine atrazine and acetochlor in water.
本文确立了水中莠去津、乙草胺残留量检测方法.
Isrel businessman wants to import drainpipe, asbestus , and alluminum alloy material.
以色列商人求购排水管(三元乙丙橡胶制) 、矿(石)棉、铝合金材料.
Ten aryl chloroacetates were synthesized by liquid - liquid phase transfer catalysis.
摘要利用液 - 液相转移催化法合成了10种氯乙酸芳酯.
Choosing ethylene alcohol as antifreeze can meet requests of drilling work.
选择乙二醇作为钻井液的防冻剂可以满足勘探钻进工作的要求.
The recycle ratio anodynon is 84 % above the yield level of the same industry in domestic.
氯乙烷收率可达84%以上,远远高于国内同行业的收率水平.
P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%.
In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.
在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.
In the presence of acetic acid, p - anisidine reacts with aldehydes producing a yellowish color.
在乙酸存在下, p - 茴香胺与醛类反应产生黄色.
With solid sulfanilic acid as catalyst we can synthesize iso - amyl acetateacetic acid and iso - amyl alcohol.
用固体酸对氨基苯磺酸作催化剂,以异戊醇和冰乙酸直接酯化合成乙酸异戊酯.
Iso - amyl acetate was synthesized with ammonium ceric sulfate as catalyst neutralized acetic acid and iso - amyl alcohol.
以硫酸铈铵为催化剂,乙酸和异戊醇为原料,合成乙酸异戊酯.
Treatment of 3 - aminopyridine with AFA at room temperature gave 3 - formamidopyridine in 95 % yield.
在室温下 3- 氨基吡啶与甲乙混酸酐反应制得3-酰胺基吡啶,产率为95%.
Polystyrene - supported N - benzyl - N - alkyl - aminopyridine was prepared through chloromethylated polystyrene treated with 4 - aminopyridine and alkylation agents.
本文以聚苯乙烯氯球为原料,通过与 4- 氨基吡啶及烷基化试剂反应,制成聚苯乙烯支载N - 烷基-N-苄基氨基吡啶催化剂.

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