查询词典 vitriol oil

Quinclorac and allyl alcohol as raw materials, 3, 7-dichloro-8-quinolinoxylic acid allyl ester was obtained when catalyst is oil of vitriol or super solid acid SO〓/TiO〓. Using both catalysts, organic synthesis technology process was made respectively, and the ester was analyzed and characterized by IR spectrum and NMR spectrum Through experiment, both preparing conditions were optimized and discussed respectively.

以TiO〓为载体负载SO〓制备出固体超强酸催化剂，确定了SO〓/TiO〓催化剂制备的技术路线，以丙酸正丁酯为探针实验，考察了新型固体酸催化剂SO〓/TiO〓的催化活性及制备条件对催化活性的影响，对影响其催化效果的工艺条件进行了优化，并探讨了影响的规律性。

After oil vitriol cleanup of the sample ofextracting is analyzed by gas chromatography with electron capture detection.

环境中的邻苯二甲酸酯可通过水解、光解和生物降解而消失，其中生物降解是消失的主要途径。

This method involves using the glacial acetic acid as a catalyst, adding the litharge in aqueous medium and adding a quantity of oil of vitriol to yield lead sulfate.

该法来用了冰乙酸作催化剂，在水介质中加入氧化铅，再滴加一定量的浓硫酸来合成硫酸铅。

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 %。

For the first time, oil of vitriol is used to sulfonate OP, and the optimum conditions of sulfonating reaction are ascertained.

本文采用浓硫酸对乳化剂OP-10进行硫酸化改性，确定了硫酸化工艺的最佳条件。

Cyclohexyl acetate was synthesized by oil of vitriol,ferric chloride and copper sulfate,respectively,and the influence of copper sulfate containing water and no-water for the reaction was discussed.

摘 要：分别以浓硫酸、氯化铁、硫酸铜为催化剂催化合成醋酸环己酯，考察了有无结晶水的硫酸铜对酯化反应的影响。

Phenylalanine is not easy to nitrify, so it is necessary to add in a little vitriol oil.

苯丙氨酸不易硝化，需加少量浓硫酸后才能够发生黄色反应。

Fire fighting, maintaining, analysis, testing and so on, will be arranged in the inherent workshops and facilities. This is an equity joint project, mainly introduce foreign fund to produce vitriol from sulfured hydrogen and sulfur by using trail gas let out from the engineering of coal instead of oil. The annual output will be 200000 tons of vitriol.III. Estimated Investment

本项目为合资建设项目，主要引进资金，利用合成气经甲醇洗涤后所排放的尾气中的硫化氢酸性气体和硫磺联合制取高浓度硫酸，与煤代油工程配套建设20万吨/年硫酸装置。

In addition, the application of the RTILs (BF4, PF6) in the Beckmann rearrangement have been firstly studied. On the conditions of the reducing the oil of vitriol, the effects of the two RTILs in the Beckmann rearrangement have been reviewed and contrast experiment.

另外，首次将咪唑类离子液体应用于Beckmann重排反应体系，考察了在减少发烟硫酸用量的情况下，两种离子液体对Beckmann重排反应的影响并做了空白实验。

In the domestic vitriol industry, tube-crust anode protection cooler of oil of vitriol is widely used.

在国内硫酸生产行业中，阳极保护管壳式浓硫酸冷却器应用广泛，它是硫酸生产工艺中用在吸收塔循环酸系统对浓硫酸进行换热的设备，其能否正常运行是冶炼烟气制酸系统正常生产的基本前提之一。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。