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   邻硝基甲苯 的翻译结果: 查询用时:0.894秒
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邻硝基甲苯     
相关语句
  o-nitrotoluene
     The results show that under the conditions of 4.11 g(30 mmol) o-nitrotoluene,3.53 g(60 mmol) hydrazine hydrate,0.45 g CuO-Al_2O_3,reaction time is 50 min at 80℃,the yield of o-toluidine is 98%.
     较优的反应条件为:4.11 g(30 mmol)邻硝基甲苯,3.53 g(60 mmol)水合肼,0.45 g CuO-A l2O3,80℃反应50 m in。 在此条件下邻甲基苯胺的收率达到98%。
短句来源
     Electro-oxidation of o-Nitrotoluene to o-Nitrobenzaldehyde by V ~(5+)
     用V~(5+)氧化邻硝基甲苯制备邻硝基苯甲醛
短句来源
     A new method of preparation o-nitrobenzyl bromide using o-nitrotoluene as raw material, NaBrO3/NaHSO3 as bromination agent and AIBN as initiator was developed,under the optimum conditions n(o-nitrotoluene) ∶ n(sodium bromate) ∶ n(sodium bisulfite)=1 ∶ 4 ∶ 4,reaction terperature 70 ℃,reaction time 2 h,the yield is up to 73%.
     对以邻硝基甲苯为原料,NaBrO3/NaHSO3为溴化剂,偶氮双异丁腈(AIBN)为引发剂,制备邻硝基苄基溴的工艺路线进行了研究,在优惠的工艺条件下n(邻硝基甲苯)∶n(溴酸钠)∶n(亚硫酸氢钠)=1∶4∶4,反应温度70℃,时间2h,反应收率≥73%。
短句来源
     The results show that in water under the conditions of n(hydrazine hydrate)∶n(o-nitrotoluene)=2∶1,the quantity of catalyst CuO/Al2O3 (n(CuO)∶n(Al2O3)=1∶2) 0.015g/mmol o-nitrotoluene, the reaction time for 50 min and the temperature of 80℃, the yield of o-toluidine is 98%.
     在水中较优的反应条件为:n(水合肼)∶n(邻硝基甲苯)=2∶1; 催化剂CuO/Al2O3(n(CuO)∶n(Al2O3)=1∶2)的用量为0.015g/mmol邻硝基甲苯;
短句来源
     The results showed that under the conditions of n(hydrazine hydrate)∶n(nitrotoluene)=2∶1,the quantity of catalyst FeO(OH) 0.015 g/mmol o-nitrotoluene and 50 min at 80℃ in water the yield of o-toluidine was 98%.
     较优的反应条件为:n(水合肼)∶n(邻硝基甲苯)=2∶1; 催化剂FeO(OH)的用量为0.015 g/mmol邻硝基甲苯,80℃反应50 min,邻甲苯胺的收率达98%。
短句来源
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  o nitrotoluene
     The oxidation of MnO_2 and KMnO_4 for o nitrotoluene is discussed.
     探讨了MnO2和KMnO4对邻硝基甲苯的氧化作用。
短句来源
     Under the optimal reaction conditions the reaction underwent for 3 h at 95 ℃ with A 1 as PTC in neutral reaction system, the mole ratio of potassium permanganate to O nitrotoluene was 2.5∶1, and the yield of ONBA was 95.0%.
     在优化反应条件下 ,即以季铵盐A 1为相转移催化剂 ,高锰酸钾与邻硝基甲苯的量比为 2 .5∶1,反应温度为 95℃ ,反应时间为 3h ,在中性条件下进行反应 ,产物收率可达 95 % .
短句来源
     The experiment results show that A 1 is a good PTC for synthesis of ONBA with O nitrotoluene by oxidation of potassium permanganate.
     实验结果表明 ,季铵盐A 1对于高锰酸钾氧化邻硝基甲苯合成邻硝基苯甲酸 ,是 1种优良的相转移催化剂
短句来源
     o Nitrobenzaldehyde was prepared via liquid phase autoxidation of o nitrotoluene in oganic amine solvents.
     氧气直接液相氧化邻硝基甲苯一步合成邻硝基苯甲醛 ,成本低 ,污染少 ,腐蚀性小。
短句来源
  2 nitrotoluene
     Study on Oxygen Oxidation of 2 Nitrotoluene to 2 Nitrobenzoic Acid in Liquid Phase
     氧气液相氧化邻硝基甲苯制取邻硝基苯甲酸的研究
短句来源
     Effect of alkali concentration M a and 2 nitrotoluene concentration M ONT on preparation of 2 nitrobenzoic acid by means of oxygen oxidation of 2 nitrotoluene in liquid phase was investigated.
     研究了碱浓度Ma和邻硝基甲苯浓度MONT对氧气液相氧化邻硝基甲苯制取邻硝基苯甲酸的影响。
短句来源
     A new process was developed to synthesize 2 nitrobenzyl alcohol from 2 nitrotoluene by catalytic bromination.
     研究了邻硝基甲苯经催化溴化合成邻硝基苯甲醇工艺。
短句来源
     The yield of 2 nitrobenzyl alcohol was 80% and the purity above 95% by using di(2 ethyl hexyl)peroxy dicarbonate catalyst under the optimum reaction condition,i. e. the molar ratio of 2 nitrotoluene to bromine was 2∶1,the bromination temperature was 64~66℃,the bromination time and the hydrolysis time were 2h and 16h respectively.
     发现使用二(2乙基己基)过氧二碳酸酯催化剂,在邻硝基甲苯与溴摩尔比2∶1、溴化温度64~66℃、溴化时间2h和水解时间16h的优化工艺条件下,能获得80%收率和95%以上纯度的邻硝基苯甲醇粗品。
短句来源
  2-nitrotoluene
     Study on Catalytic Bromination of 2-Nitrotoluene to 2-Nitrobenzyl Alcohol
     催化溴化邻硝基甲苯合成邻硝基苯甲醇的研究
短句来源
     Indole was prepared by DMF di-n-propyl acetal and 2-nitrotoluene having reactive methyl, which involves using DMF di-n-propyl acetal instead of DMF dimethyl acetal to improve the reaction temperature, pyrrolidine as anti-polymerization agent, and reductive cyclization.
     在酰胺缩醛和含活性甲基的化合物的反应中,研究了邻硝基甲苯和缩醛的反应,采用了N,N—二甲基甲酰胺二正丙基缩醛提高反应温度、用四氢吡咯作阻聚剂,还原后合成出了吲哚母环。
短句来源
     2-Acetamidobenzoic acid was synthesized from 2-nitrotoluene via oxidation with potassium permanganate, reduction with ion powder and amidation with acetyl chloride in an overall yield of 48.5%.
     邻硝基甲苯用高锰酸钾氧化得邻硝基苯甲酸,铁粉还原得邻氨基苯甲酸,在无水碳酸钾存在下,与乙酰氯回流得邻乙酰胺基苯甲酸,总收率48.5%。
短句来源

 

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  o-nitrotoluene
Heterophase nitration of o-nitrotoluene with sulfuric-nitric acid mixtures of low nitrating activity in gas-containing emulsions
      
The oxidation of o-nitrotoluene to o-nitrobenzaldehyde with electrogenerated cobaltic sulphate
      
The economic evaluation of the electrochemical o-nitrotoluene/o,o-azoxytoluene reduction process
      
o-Tolidine, obtained by the reduction of o-nitrotoluene, is used in the production of azo-dyestuffs.
      
A continuous process is proposed for the first step, i.e., the electrochemical reduction of o-nitrotoluene to o,o-azoxytoluene in an alkaline ethanol-water solution.
      
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  2-nitrotoluene
Limits of detection for 3-nitrophenol, nitrobenzene, 4 and 2-nitrotoluene were less than 60, 12, 60 and 280 ng L-1 respectively.
      
The Mn(III)/oxalate/O2 system was also able to transform other nitroaromatic compounds such as 2-nitrotoluene, 4-nitrotoluene, 2,4-dinitrotoluene, TNT - the latter to a lesser extent -, and their reduction derivatives.
      
The three strains are chemotactic toward 2,4,6-trinitrotoluene (TNT), 2,3-DNT, 2,4-DNT, 2,5-DNT, 2-nitrotoluene (NT), 4NT, and 4-methyl-5-nitrocatechol (4M5NC), but not toward 2,6-DNT.
      
The substrate specificities of the mutant enzymes were tested with the substrates indole, indoline, 2-nitrotoluene (2NT), naphthalene, biphenyl, and phenanthrene.
      
Active site residues controlling substrate specificity in 2-nitrotoluene dioxygenase from Acidovorax sp.
      
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