The refined product with high purity is obtained by vacuum distillation of crude benzal chloride.

Study on the Catalytic Hydrolysis of Benzal Chloride Mixed with Benzyl Chloride

苄基氯存在下的亚苄基二氯催化水解反应研究

The catalytic hydrolysis of benzal chloride and benzyl chloride mixture was studied, benzal chloride forming benzaldehyde in 95% yield, while the benzyl choride unreacted.

研究了亚苄基二氯和苄基氯混合物的催化水解反应，亚苄基二氯水解率达95%，而苄基氯不发生化学反应。

During wetting and the increases of drying cycle, the ability of soil to fix potassium increases, with potassium applied, the amount of fixed potassium decreases remarkably with bentonite addition in soil.

在干湿交替过程中，土壤固钾能力增强，固钾量随加入外源钾浓度的增加而增加，施加膨润土后土壤固钾量明显降低。

Inorganic: aluminum nitride, zirconia, potassium fluoride, bentonite, kaolin, barium sulfate, lead sulfate, sodium aluminum, chromium oxide, titanium dioxide.

无机物：氮化铝、二氧化锆、氟化钾、膨润土、高岭土、硫酸钡、硫酸钻、铝酸钠、氧化铬、钛白粉。

On adsorption of potassium ion by Bentonite in relation to its determination in mud

泥浆中（土般）土对钾离子的吸附与钾离子浓度测定问题

Recovery and Reuse of Waste Bentonite of Grease and Decolor

油脂脱色废白土的回收和再利用

The temperature of the first drop of oil of the lubricating grease which used organic rectorite as the thickening agent is> 633.15 K, which is higher than the index of the bentonite grease.

用它制备的润滑脂滴点＞633.15K，远高于膨润土润滑脂的指标要求。

Therefore, by choosing suitable type of binder, or blending calcium bentonite and sodium bentonite in proper proportion can improve the properties of green pellets.

因此，在造球生产过程中通过选择钠基或钙基膨润土，或通过两种膨润土搭配，可制备出综合性能优良的球团矿。

Taking the calcium bentonite clay as raw material, the organic bentonite clay was prepared by CTMAB after the sodium transition of sodium carbonate.

以钙基膨润土为原料，经碳酸钠钠化转型后，用溴代十六烷基三甲胺进行有机包裹制备有机膨润土。

However, the reserves of calcium bentonite is low and the surfactants are expensive, which bring many difficulties to industrialization.

然而，钠基膨润土的储量低，阳离子表面活性剂的价格又比较高，这给有机膨润土的工业使用带来了一定的困难。

Effect of Calcium Bentonite on Growth Performance of Meat-Type Ducks

日粮中膨润土的使用对肉鸭生产性能的影响

Meantime, the study of the modification of calcium bentonite was made.

同时，对钙基膨润土人工钠化进行了研究。

A large calcium bentonite mine is found recently in Nanhai Guangdong. It is first in Guangdong that the bentonite mine is used synthetically.

广东省南海膨润土矿是近年发现的大型钙基膨润土矿，是广东省首个被综合开发利用的膨润土矿。

In order to improve the ballability of iron ore concentrates of Kun-Steel, the effect of calcium bentonite and sodium bentonite on the ballability of iron ore concentrates were compared in this paper.

为改善昆钢铁精矿的造球性能，对昆钢球团添加钙基膨润土和钠基膨润土进行了对比试验。

By using clay, bentonite, cement, fly ash, colliery powder addition agent as raw materials in this paper, the performance of common material for grouting were studied to solve practical problems of common slurry and find the reasonable dispensation formula meeting requirements of different projects.

本文利用粘土、膨润土、水泥、粉煤灰、煤矸石粉和其它外加剂为原材料，研究注浆工程中常用浆液的性能，解决常用浆液实际存在的一些问题，找到满足不同工程要求的合理配比。

Marine benthos are characterized by narrow activity and special territory distribution and can be used to indicate the quality of water and the polluted condition of sediments, which plays an important part in the biologic indication of marine pollution.

海洋底栖动物活动性小、地区性强，可以较好地反映水质和底质的污染状况，在海洋污染生物学指标中具有特别重要的意义。

Study on marine benthos in an organically polluted intertidal beach of Qingdao Bay ii. the pollution ecology of meiobenthos

青岛湾有机质污染潮间带底栖生物研究Ⅱ.小型底栖动物生态特点

Samples of sediment, overlying water, pore water, and benthic invertebrate were collected at13 stations along a typical municipal polluted river in the Pearl River Delta.

研究区域为珠江三角洲一条典型城市污染河道，采集了13个站位沉积物、上覆水、间隙水及底栖动物样品进行分析。

Investigation of periphyton and benthic invertebrate communities at six sections of Suzhou creek and biological evaluation of corresponding sections have been conducted.

对苏州河7个断面的着生生物和底栖生物群落的调查及其相应断面的水质生物学评价，结果表明：1.选取着生生物和底栖生物这两个项目能较好反映苏州河的水质状况；

This paper reports the biological assessment of water quality in the reaches polluted by floatation agent by means of community structure and behavior response of benthic invertebrate.

利用大型底栖动物的群落结构及其行为反应对有毒化合物&浮选剂污染河段水质进行评价，并提出了受浮选剂污染的污水生物系统评价标准。