methyl benzene
英 [ˈmeθəl ˈbenziːn]
美 [ˈmeθəl ˈbenziːn]
n. 甲苯
双语例句
- Then ( iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂，用梯度升温法，酸、醇直接酯化合成没食子酸正（异）丁酯。 - To synthesize aryl pyrimidines by taking benzene, methyl benzene, acetic ether, 1,2-dichloroethane as solvent, the yield and purity of the product are high by taking methyl benzene as solvent.
分别选用苯、甲苯、乙酸乙酯、二氯乙烷作为溶剂合成桂皮酰哌啶，结果表明甲苯作为溶剂时产品纯度高，收率高，可用于大规模生产。 - The extent of red shifts of K bands depends on the amount of methyl groups in benzene rings which is in accord with the stabilities of the gels formed by such three gelators.
红移的幅度随苯环上甲基数量的增加而增加，这与三种衍生物形成的分子凝胶的热稳定性相吻合。 - Phenylethyl than malonic acid methyl malonic acid benzene over a methylene, metal complexes of stability and performance is a lack of research.
苯乙基丙二酸比苯甲基丙二酸多一个亚甲基，其金属配合物的稳定性及性能尚缺乏研究。 - Recent and new techniques used in anodic oxidation of methyl of benzene rings are also extensively discussed.
著重对甲基的阳极氧化过程中运用的新技术及发展趋势作了评述。 - The Synthesis of 1 [ Bis ( methylthio) methyl] 4 methoxy benzene
1-（并二甲硫基）甲基-4-甲氧基苯的合成 - The formed long and linear chain alkyl benzene changes into benzene methyl and alkene through β-scission and monomolecular homolysis, and then benzene methyl shifts to the position of α-Carbon in the long chain alkyl benzene through H-transfers.
已形成的长直链烷基苯通过β分裂、单分子均裂形成苯甲基、烯烃，苯甲基通过氢转移到长链烷基苯的α碳上，烯烃再与α碳结合形成带支链的烷基苯。 - , and the pyrolytic products of WPS were benzene, methyl benzene, styrene and ethyl benzene which were identified by GC. Methylbenzene was used as the internal stand.
通过气相色谱分析可知，裂解产物为苯、甲苯、苯乙烯和乙苯。 - Approach has been made on separating conditions of benzene, methyl benzene ethy benzene, o-xylene, m-xylene and p-xylene isomeride through gas chromatography of packed column thermal conductivity cell.
采用填充柱热导池气相色谱法，对苯、甲苯、乙苯及邻、间、对二甲苯异构体的分离条件进行探讨。 - Conclusion: The property of resin is good when the brine's concentration is30%, the degree of crosslinking is14%, methyl benzene as diluent is0.1.
结论：盐溶液浓度约为30%，交联刺14%，致孔剂甲苯为单体的0.1倍时，所得树脂性能良好。 - Simultaneous Determination of Benzene and Methyl Benzene by Artificial Neural Networks Ultraviolet Spectrophotometry
人工神经网络紫外分光光度法同时测定苯和甲苯 - Determination of Inorganic Salts Solubility in Mixed Solvents of Methyl Alcohol-Benzene
无机盐在甲醇&苯混合溶剂中溶解度的测定 - To the latter, the role of methyl oleate in influencing the partition of surfactant in oil phase and aqueous phase competes with its adsorption role at the interface. Studies of Synergism between Sodium Alkyl Benzene Sulfonate and Methyl Oleate in Different Systems
而碱体系中，油酸甲酯影响表面活性剂在油水相分配从而影响界面张力；另一方面，油酸甲酯吸附在界面上顶替表面活性剂分子影响界面张力.不同体系中油酸甲酯与烷基苯磺酸盐协同效应研究 - Reasons of and improving measures on high colourity of benzene-methyl-benzene after acid washing
苯、甲苯酸洗比色高的原因分析及改进措施 - The perfume 2-heptyl-1,3-dioxolane was synthesized by the condensation reaction of n-octyl aldehyde ( A) with ethylene glycol ( B) in the presence of a composite catalyst which is composed of p-methyl benzene sulfonic acid and cupric sulfate.
在对甲苯磺酸和硫酸铜复合催化剂存在下，以正辛醛（A）和乙醇（B）为原料经脱水缩合合成了新型香料2-庚基-1,3二口恶戊烷。 - The depressant was produced by using acrylic alkyl ester and vinyl acetate as raw materials, methyl benzene as solvents, azobisisobutyronitrile as initiator by constant temperature polymerization.
AV柴油降凝剂，是以丙烯酸酯、醋酸乙烯酯为原料，以甲苯为溶剂，以偶氮二异丁腈为引发剂，恒温聚合制得。 - Synthesis of 1,3 bis [ 2 ( 3 aminophenyl) imidazol 1 YL methyl] benzene
1,3-双-[2-（3-氨基苯基）咪唑-1-基甲基]苯的合成 - One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.
以邻二甲苯为原料、苯甲酸盐为催化剂进行液相氧化，一步合成邻甲基苯甲腈。 - The decomposition reaction was carried out using methyl benzene as solvent with reaction time of 1 h.
采用甲苯溶剂法分批加料进行分解反应，反应时间1h； - Improvement on p-methyl benzene sulfonic chloride production process
对甲基苯磺酰氯生产工艺的改进 - The thermodynamic calculation results show: when the pyrolysis temperature of toluene is relatively low ( below 1073K), C H bonds of the methyl on the benzene ring is broken firstly, and the reaction path of producing phenylmethyl is the main one ( path 1).
热力学计算结果表明：（1）当甲苯的热裂解温度相对较低时（773K左右），热力学计算结果首先支持苯环上甲基C-H键的断裂生成苄基自由基并继而生成联二甲苯的反应； - Using fatty acid methyl ester as the raw materials to produce fatty acid methyl ester sulfonate ( MES) to instead of linear alkyl benzene sulfonate which is used in the detergent powder, becoming a new hotspot.
利用脂肪酸甲酯为原料生产脂肪酸甲酯磺酸盐（MES）代替直链烷基苯磺酸盐用在粉状的洗衣粉中，成为新的研究热点。 - As an electrophilic agent, the methyl group of methoxy species can directly attack benzene ring to produce toluene via electrophilic substitution reaction.
甲氧基物种的甲基作为一种亲电试剂，可以直接进攻苯环发生亲电取代烷基化反应生成甲苯。 - Methanol components ( F) mainly identified the validity of allelochemicals basking Jiao ketone-2, and hexadecanoic acid methyl ester, propyl-benzene nonane fatty acid methyl ester compounds tubes chain series.
甲醇馏分（F）中主效化感物质为降姥鲛酮-2、棕榈酸甲酯、邻丙基-苯壬酸甲酯等长链脂肪酸系列化合物。