Semi-arid area是什么意思

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用法例句

A China-invented patent——semi dry process dusting technology for converter fume is presented.

介绍了一项中国发明专利-转炉烟气半干法除尘工艺,它特别适合现有湿法除尘系统的改造,能同时实现环保排放与节能、减少污水污泥处理量、延长风机维修周期,转炉改造时间短,改造时可以大幅减少投资和停炉时间。

Influences of reaction parameters upon carboxymethylation of cassava starch through a rapid semidry process;

半干法快速合成羧甲基淀粉的研究

This paper introduces the flow diagram and mechanism of semidry process flue gas desul-furization for medium and small sized coal burning devices using Ca(OH)_2(aq)desulfurizer.

介绍了选用熟石灰Ca(OH)2作脱硫剂的中小型燃煤烟气半干法脱硫工艺和反应机理,研究了浆液浓度、入口烟气温度和烟气SO2浓度对脱硫率的影响。

Preparation of carbamoylethyl starch using a semi-dry process;

氨基甲酰乙基淀粉的半干法制备

In this paper, recent progress of the facility for cationic starch production using the semi-dry process is reviewed.

介绍了近期国内外半干法生产阳离子淀粉设备的研究情况,着重讨论了捏合机、双螺杆机等混合反应设备在阳离子淀粉生产中的应用及其研究进展,探讨了今后半干法生产阳离子淀粉设备的研究发展方向。

The cationic starch with low degree of substitution was prepared via reacting starch with 3-chloro-2-hydroxypropyltrimethylammonium chloride(CHPTMA) using the semi-dry process.

采用3-氯-2-羟丙基三甲基氯化铵为醚化剂,半干法合成低取代度阳离子淀粉。