查询词典 methylbenzene

As to the P—methylbenzene sulfonamide plasticizer, less than 10% is needed to meet the requirement of brittle— toughness transition. Whereas, for butyl P—hydroxybenaoate, 20% is needed for the plasticate system to reach the brittle—toughness transition.

对于苯磺酰胺增塑剂，只需不足10％的用量就达到脆—韧转变，而苯甲酸酯类增塑体系则需要20％的用量才能达到脆—韧转变。

Adding methylbenzene into the reaction system as cosolvent ,this can lower the uste amount of DMF and the cost of production .when we chlorinate the Vilsimer reagent and phosphorus oxychloride to sucroste-6-ethal ester is one to ten ,the result of chloridization is the...

探索了氯化后不经三氯蔗糖单酯结晶提纯，直接制备三氯蔗糖的新方法，通过大孔树脂柱，得到了纯度大于95%的产品，终产率高于37%。

Methods To detect benzene,methylbenzene, dimethylbenzene ,and formaldehyde levels in indoor air of 48 rooms decorated in different seasons.

方法在春夏季(4~9月)和秋冬季(1~3月，10~12月)选择装修完毕3个月左右尚未入住的居室48户，检测室内空气中的苯、甲苯、二甲苯和甲醛浓度，并进行比较。

Results The exceed standard rates of benzene, methylbenzene, dimethylbenzene, formaldehyde in indoor air were 11.39%, 14.58%, 7.64% and 38.17% respectively.

结果 室内空气中苯、甲苯、二甲苯和甲醛的超标率分别为11.39%、14.58%、7.64%和38.17%。

The content of benzene compounds extracted by methane dichloride from the leavy surfaces of trees inside the factory areas reached to 88. 33 mg/kg, the levels of benzene, methylbenzene and dimethylbenzene were 36. 680 mg/kg, 10. 22 mg/kg and 41.43 mg/kg respectively in the coking factories.

厂区内植物叶片表面二氯甲烷提取物中苯系物含量高达88.33mg/kg，其中苯36.680mg/kg，甲苯10.22mg/kg，二甲苯41.43mg/kg。

Methods 100 mg of muscle of rat corpse was preprocessed before trimethylamine was extracted with anhydro-methylbenzene, then trinitrophenol was added into extracts, and yellow compounds emerged. The optical density was detected by spectrophotometer at 410 nm and the concentration of TMA-N was calculated using the standard curve. Results There was good linear correlation (R^2=0.9991, P.001) between OD and the concentration of TMA-N in the range of 1~10 mg/L.

大鼠肌肉组织样本100 mg经预处理后，将三甲胺抽提于无水甲苯中，与苦味酸作用，形成黄色的苦味酸三甲胺盐，用分光光度计在410 nm处检测吸光度，标准曲线法计算TMA-N含量。

The GC-MS results indicated that a small quantity of lesser carbonnumber of aldehyde compounds were included in the organic compounds of PM, besidesbiggish carbon number of fatty hydrocarbon and volatilizable aromatic hydrocarbon, such asbenzene, methylbenzene, dimethylbenzene and etc.

GC/MS定性分析结果表明，在颗粒物所含有机化合物中，除了含有较高碳数的脂肪烃化合物、芳香族化合物如：苯、甲苯、二甲苯等低沸点易挥发的化合物外，还发现了微量的低碳数醛类化合物。

The fitted dynamics model parameters are as following:In order to apply the reaction distillation technology in more fields, the methylbenzene side-chain photo-chlorination has been done in the experiment apparatus. The results have proven this technology is feasible and crude benzyl chloride with a purity of 96~98% can be obtained.

估计得到的动力学模型为：为扩大背包式反应精馏耦合工艺的应用范围，在所建立的实验装置上，进行了甲苯侧链光氯化反应的研究，结果表明工艺可行，可以得到含量96～98％的氯化苄粗品。

The experiments of CARS of benzene and methylbenzene were Performed and the correlation time and frequency width of laser were estimated.

实验记录了苯、甲苯的CARS光信号与激光延时时间的关系，得出了激光的相干时间和线宽。

A novel method to realize a highly nonlinear photonic crystal fiber is reported. In this method, the core of the hollow core-PCF is filled with highly nonlinear liquids, such as carbon disulfide, chloroform and methylbenzene.

提出了一种实现高非线性光子晶体光纤的新方法，即在空芯光子晶体光纤的纤芯空气孔中填充高折射率、高非线性折射率的液态物质三氯甲烷、甲苯、二硫化碳等。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。