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- The main body of a book the two pair of methyl benzene alkyne has substituted- 1 to 4 , 5- , aminic combining has carried out 8- naphthalene acyl Asias studying. 本文对4，5-二对甲基苯炔取代-1,8-萘酰亚胺的合成进行了研究。
- The predicted value of the model theory coincided basically with the experimental result of the waste gas methyl benzene of low concentration in the trickling biofilter. 模型的理论预测值与生物膜滴滤塔净化低浓度甲苯废气的实验结果基本吻合。
- The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts,respectively,were investigated. 讨论了邻苯二甲酸酐一缩二乙二醇酯的合成工艺,分别以硫酸和对甲基苯磺酸为催化剂合成邻苯二甲酸酐一缩二乙二醇酯。
- Ths Se in hair was determinated by GC with ECD. According to the property that Se can be combined with 4--nitro-o-phenylene diamine for making out 5--nitro--2,1. 3--Se--benzimidazole which can be extracted into methyl benzene. 本文利用硒与4－硝基邻苯二胺在硫酸和高氨酸溶液中生成5－硝基－2，1，3－苯并硒二哇，且可以被萃取至甲苯中这一性质，用气相色谱法配合电子捕获检测器测定了甲苯中的5－硝基－2，1，3－苯并硒二唑，从而测定了硒的含量。
- 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。
- Methyl benzene Shaohuo oil with high heat and low prices, the new environmentally-friendly materials! The major suppliers hotels, bath, large canteen, glass, ceramics factory, and other special fuels! 甲基苯烧火油具有高热能、低价格、环保型的新型材料！主要供应宾馆饭店、洗浴中心、大型食堂、玻璃厂、陶瓷厂等专用燃料！
- Closing time at this pub is eleven o' clock. 这酒馆的打烊时间是十一点。
- We've got the OK from the council at last. 我们终於获得了委员会的同意。
- 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
- The child's mouth formed a big O in surprise. 那孩子惊奇得张著嘴像个大O字。
- Keywords Benzene;Methyl benzene;Xylene;Superoxide dismutase（SOD）;Total anti-oxidize ability（TAC）; 苯;甲苯;二甲苯;超氧化物歧化酶;总抗氧化能力;
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- Ok may I have your last name and first initial, please? 好的。请您告诉我贵姓及大名的头一个字母。
- Only when everything is ok will the patent be registered. 只有一切都顺利，才能登记专利。
- Have you finished lunch already? It's only12 o' clock! 你已经吃过午饭了吗？现在才12点。
- She's OK, but she always likes to blab about how successful her husband is. 她还可以啦，不过她老爱提她老公有多成功。
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- methyl benzene sulfonate 苯磺酸甲酯
- Benzene hexachloride is commonly called BHC. 六氯化苯通常称为BHC。
- Hello. I'd like to reserve a table for two for eight o' clock, please. 你好，我要订一张今晚八点两个人的餐桌。
