查询词典 toluene

In this paper, the effects of different catalyst combinations on the synthesis of α-chloro-dodecanoic acid were investigated, in which a series of acyl chlorides such as 4-toluene sulfonyl chloride, dodecanoyl chloride, chlorosulphonic acid , etc.

本文从烯酮式反应机理出发，以α-氯代十二酸的合成为模型，对酰氯化试剂(对甲苯磺酰氯、十二酰氯、氯磺酸等)和质子酸催化剂(如H型离子交换树脂、氯磺酸、对甲苯磺酸、醋酸等)进行组合和选择，并与文献报道的特殊添加剂乙酐比较，研究不同催化体系在酸催化合成α-氯代脂肪酸时的催化作用。

It can be presumed that the nucleation rate of HHM will increase with the rise of temperature and supersaturated ratio, when toluene used as dissolvent.

指出HHM晶体在甲苯为溶剂的过饱和溶液中的成核速率随着温度和过饱和比的提高而增大。

However, the esterification rate and yield reach 94 % and 89 % with the oil of vitriol as catalyst, and the best reaction conditions are that the weight ratio of catalyst and inhibitor are 2.5 % and 0.6 %, the volume of toluene is 60 mL, the molar ratio of MAA and TEG is 2.2:1 and reaction time is 3 h, and the content of TEGDMA is 88 % analyzed by GC.

以浓硫酸为催化剂，当阻聚剂的用量分别为原料的2.5 %和0.6 %，甲苯用量为60 mL，n：n=2.2∶1和反应时间为3 h时，酯化率和产率分别为94 %和89 %，气相分析TEGDMA的质量百分数为88 %。

Products: 3 - benzoyl-ethyl acrylate (97% min), acyl phosphorus acid methyl ester (98% min), P acyl three ethyl acetate (98% min), a phosphorus acid acyl The ethyl esters (98% min), 3 - bromine -1,3,4,5 - tetrahydrocannabinol -2 H-1-benzo-Aza Zhuo -2, 1 - naphthalene-tetrahydrocannabinol (98% min), 3,5 - dimethyl benzoyl chloride (99% min), 3,5 - dichloro benzoyl chloride (97% min), the ethyl benzoyl chloride (99% min), a TCA Ester (99.5% min), o-benzoyl methyl benzene (99% min), 4 - phenyl benzophenone (99% min): glacial acetic acid (99% min), methanol (99% min), liquid chlorine (99.5% min), caustic soda (30% min), isopropyl alcohol (99% min), anthranilic acid (99% min), dichloroethane (99% min ), Chunben (99% min), toluene 99% min

3-苯甲酰基丙烯酸乙酯（97%min）、磷酰基乙酸三甲酯（98%min）、磷酰基乙酸三乙酯（98%min）、磷酰基乙酸甲酯二乙酯（98%min）、3-溴-1，3，4，5-四氢-2H-1-苯并氮杂卓-2酮、1-四氢萘酮（98%min）、3，5-二甲基苯甲酰氯（99%min）、3，5-二氯苯甲酰氯（97%min）、对乙基苯甲酰氯（99%min）、氯乙酸甲酯（99.5%min）、邻苯甲酰基苯甲酸甲酯（99%min）、4-苯基二苯甲酮

In this paper, the thermochemistry and thermodynamics parameters of semi-batch reaction were measured by adding toluene into the reactor filled with mixed acid, which can be used for safer operation design.

混酸条件下的甲苯硝化是一个典型的液-液两相反应，本文主要通过自动化实验室反应量热器测试了向混酸中滴加甲苯这一半间歇硝化过程中的热化学和动力学数据，从而进行反应过程的安全性研究。

Besides, the derivatives were synthesized successfully by the similar acid binding agent system, such as tris(4-nitrophenyl) thiophosphate, tris(4-toluene)thiophosphate. The derivative of maleic anhydride was synthesized by the simple method, and its yield was above 90%.

采用类似的缚酸剂体系成功地合成了硫代磷酸三(4-硝基苯)酯、硫代磷酸三(4-甲基苯)酯，并用简单的方法合成了硫代磷酸三(4-氨基苯)酯的马来酸酐衍生物——硫代磷酸三(4-马来酸氨基苯)酯，产率达90％以上。

In this dissertation, the scale-up experiments of the decomposition of toluene by pulse corona discharge in wire-plate reactor were investigated systematically, at the same time, The experiments of the decomposition of refinery odors by this technology were also studied. A pulse power based on thyratron switch, Blumlein pulse forming network and pulsed transformer was adopted.

基于上述小试成果，本文主要对有机废气中的代表性污染物模拟甲苯废气，在线板式反应器内进行了系统的放大试验研究，同时将该技术应用于实用目标炼油厂模拟恶臭废气(工业上排放的恶臭废气主要是含硫含氮的挥发性有机废气)的治理。

The influence of different reaction conditions on toluene conversion is examined and discussed.

对甲苯不同的反应条件的影响转换是研究和讨论。

In addition, the company also offers a variety of brands of imported toluene diisocyanate.

另外，公司还可提供各种品牌的进口甲苯二异氰酸酯。

Despite the impact of financial crisis, China's downstream devices toluene remained at a high level building.

尽管受到金融危机的影响，我国甲苯下游装置建设仍保持较高水平。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。