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Described the major chemical composition and physical properties of bentonite,pointed out the modificative methed and introduced it's uses in coal mine. 介绍了钙质膨润土的主要化学成分和物理性能，提出了将钙质膨润土改性为销质膨润土的方法，并简述了改性膨润土在矿井生产中的应用。
Result: The major chemical compositions isolated from the G.elegans are indole alkaloids,which have the activities of toxicity,and immune,anticancer functions. 结果:钩吻主要的化学成分为吲哚生物碱类化合物,其中某些成分有显著毒理、抗肿瘤、免疫调节作用。
The major chemical composition 主量化学组成
The proton induced X-ray emission(PIXE) was used to measure seven major chemical composition of celadon porcelain body from Qingliangsi kiln in Baofeng and Zhanggongxiang kiln in Ruzhou. 用质子激发X射线荧光分析(PIXE)测定宝丰清凉寺窑汝官瓷胎、民汝瓷胎和汝州张公巷窑青瓷胎的7种主量化学组分,将测得的数据进行散布分析。
Conclusion The major chemical constituents of essential oil in Eupatorium adenophorum are terpenes. 结论紫荆泽兰挥发油的主要化学成分为萜类化合物。
Conclusion The contents of major chemical compositions in ultramicro preparation are higher than that in traditional decoction. 结论大承气汤微米制剂主要成分均高于大承气汤传统汤剂。
A few of the major chemical manufactures are now offering solvent processes to the textile industry for scouring where little water is used. 有几家主要的化工厂现正提出在纺织工业中用水量少的精洗溶剂工艺规程。
A few of the major chemical manufacturers are now offering solvent processes to the textile industry for scouring where little water is used. 有几家主要的化工厂现正提出在纺织工业中用水量少的精洗溶剂工艺规程。
This summary introduces the research progress of processing, major chemical compositions and pharmacology activities of Radix Curcumae by retrieving studies on it. 摘要通过对近年来有关温郁金研究的文献检索，总结了温郁金的采收加工、主要化学成分及药理活性的研究进展。
The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester (86.89%). 其主要成分是酯类、醇类物质，其中丁酸乙酯的相对含量高达86.;89%25。
The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester((86.89%)). 其主要成分是酯类、醇类物质;其中丁酸乙酯的相对含量高达86.;89%25。
The major chemical components and active substances in pomegranate are introduced,and the pharmacological activity of pomegranate and its role in the human body are summarized. 介绍了石榴的化学成分与活性物质,并对石榴的药理活性及其在人体中的作用进行了概述。
The major impregnated the soldiers with his own fearless courage. 少校把他自己那份无所畏惧的勇气灌输给了士兵们。
The major part of the audience was laughing. 大部分观众在笑。
The major general ranks at this camp. 少将是这个营地的最高级军官。
Good highways now link all the major cities and towns in Xizang. 西藏的主要城镇都由良好的公路连接了起来。
The science of the chemical composition of the universe. 宇宙化学研究宇宙的化学组成的科学
The research shows that main hydrogeological characteristics of the Beishan area is water-bearing character, low permeability and slow water movement while the major chemical feature of groundwater is high mineralization. 研究表明，弱含水、低渗透、慢流速是区内主要水文地质特征，蒸发浓缩形成的高矿化是地下水的主要化学面貌。
Monterpenes,sesquiterpenes and their oxo-derivatives were the major chemicals in the essential oils. 杭白菊挥发性成分主要为单萜烯类、倍半萜烯类及其含氧衍生物等。
In this paper, the application research situation, the development trend and the major chemical reaction principles of aqueous emulsifiable isocyanate adhesive for wood based composite are introduced. 本文主要介绍了木质复合材料用异氰酸酯水乳液胶粘剂的研究现状、发展趋势以及粘接反应原理。