苯 - 关于苯的双语例句 - 苯造句 - 语文书

为您找到282个与“苯”相关的双语例句：

Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride.
用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢.
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.
Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.
苯丙胺类物质是一大类人工合成的以苯丙胺为母体的化合物.
Ammoxidation catalyst ofm - xylene to prepare m - dicyanobenzene was studied.
研究了间二甲苯氨氧化法生产间苯二腈的工业催化剂.
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.
The primary bulk pharmaceuticals produced are: Caffeine, Theophylline, Aminophylline, Metronidazole , Metronidazole benzoate, Secnidazaole and Nifedipine.
公司生产的主要原料药有: 咖啡因、茶碱、氨茶碱、甲硝唑、苯酰甲硝唑、噻硝唑、硝苯地平.
The quality ofp - aminophenol prepared by this methods met the specification of medicine.
使得对氨基苯酚质量符合制药要求.
The method for producing 4 - aminodiphenylamine from nitrobenzene and aniline was an ideal method at the present.
从硝基苯和苯胺直接合成4氨基二苯胺是当前一种较为理想的方法.
Bulk crystal of 4 Aminobenzophenone ( ABP ) was grown from organic solution.
从有机溶剂中生长4氨基二苯甲酮 ( ABP ) 晶体.
The progress of research in synthesis aminobenzoic acid from different material is presented.
总结了不同原料合成对氨基苯甲酸的研究进展,讨论了各种方法的优缺点.
A novel method for the separation of aminobenzoic acids by capillary electrophoresis was developed.
报道了一种金纳米修饰毛细管电泳分离、测定氨基苯甲酸的新方法.
A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.
提出了一种干柱层析法分离提纯试剂对氨基偶氮苯的新方法.
METHODS: The target compound was synthesized from N - benzyl protected aminoacetophenone through hydrogenation, benzoylation and reduction.
方法: 以氮 - 苄基保护胺基酮为原料,经氢化, 苯甲酰化,还原三步合成双苯甲酰沙丁胺醇酯.
Based on the crosslinked polystyrene - polyacrylonitrile IPN matrix, the amidoxime groupmatrix through chemical reaction.
以交联聚苯乙烯 - 聚丙烯腈树脂为骨架, 经功能基化反应制备出含偕胺肟基团的互贯型螯合树脂.
Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group.
对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二碳酸二叔丁酯引入叔丁氧羰基来保护,侧链胍基用酸敏感保护基2,2, 4,6,7-五甲基二氢苯并呋喃-5-磺酰基来保护.
XPS foamed board, has a perfect closed - pore alveolate structure.
XPS挤出聚苯乙烯发泡板材, 具有完美的闭孔蜂窝状结构.
The application of catalytic distillation reactor in benzene alkylation process is presented.
同时介绍了催化蒸馏反应器在苯烷基化工艺中的应用.
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.
The ROYCO 2000 Series Synthetic Refrigeration Compressor Lubricants are formulated from the highest quality alkylate base stocks.
ROYCO2000系列合成冷冻压缩机油是以高质量的烷基苯为基础油的商品.
The phenyl ofp n propylbenzoic acid could be reduced by sodium alkoxide.
醇钠可以还原对丙基苯甲酸中的苯环.

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