Compared with the traditional process, yield of diosgenin was raised by 25.1 percent, the consumption of hydrochloric acid reduced by 90%, and the consumption of petroleum benzine decreased by 60%, and the production was much purer.

Method s: Soxhlet extractor was previously applied to grape seeds for the remover of oils with petroleum benzine.

方法：对新疆葡萄酒厂废渣中葡萄籽用石油醚脱脂，脱脂后的葡萄籽用乙醇提取。

In the meanwhile, the effects of varied acids for protecting third carbonyl group were investigated. Through the trial and error, the mixture of anhydrous alcohol/ petroleum benzine is the good solvent of target molecule recrystal.

考察了酸性对保护3位羰基的影响，确定了无水乙醇/石油醚是目标分子重结晶的最佳溶剂体系。

, 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。

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。

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。

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 qualified rate of wood dust concentration was 58.4%, while methyl benzene was 84.5% and noise intensity was 68.5%.

木尘和甲苯的浓度及噪声强度的合格率分别为58.4%、84.5%和68.5%；

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

A study on the alkylation of benzene with ethanol to ethyl benzene

苯与乙醇烷基化制乙苯的研究

The Mathematical Model and Optimal Design of the Adiabatic Reactor for Dehydrogenation of Ethyl Benzene

乙苯脱氢绝热反应器的数学模型和设计优化计算

Study on online simulation and optimization operating system for the ethyl benzene/ styrene distilling apparatus

乙苯/苯乙烯精馏塔在线模拟与优化操作系统

Simulation of Axial-Radial Reactor and Its Application to Ethyl Benzene Dehydrogenation Plant

轴径向反应器的模拟及其在乙苯脱氢装置的应用

The technology feature is to separate ethyl benzene and styrene by single tower.

其工艺特点是用单塔流程分离乙苯与苯乙烯。

Technical Economics Analysis of Ethyl Benzene/ Styrene Separation

乙苯/苯乙烯分离工艺技术经济分析

Optimization of final stage operating conditions of reverse alkylation in ethyl benzene plants

乙苯装置反烷基化反应末期操作工况的优化

Clinical analysis on 10 cases of occupational chronic benzene poisoning

职业性慢性苯中毒10例临床分析

Study on the index of early biological supervision of chronic benzene poisoning

慢性苯中毒早期生物监测指标的研究

Analysis on 33 chronic benzene poisoning cases in bag industry

箱包业慢性苯中毒33例分析

Applied research on nursing comprehensive score in benzene poisoning patients

苯中毒病人护理综合评分的应用研究