The application and research on 「double 90」 calcined coal-series kaolin in China were introduced in this paper, some opinions about its development were given.
介绍了中国「双90」煅烧煤系高岭土的应用与研究情况,对今后的发展提出了一些看法。
This paper describes the application and research on the large diameter drilling and raise at home and abroad.
介绍了大直径鉆井、反井鉆井在国内外的应用和发展概况。
The application and research on the combination of GIS and GPS was improved and deepened by theoretical analysis and practical application. It will bring great meaning in theory and practice.
通过理论分析与实践应用,使得GIS与GPS相结合的应用研究得以进一步提高和深化,对实际工作应用具有重大的理论意义和现实意义。
The application and research on the tungstic catalysts are reviewed in petroleum processing and petrochemicals, including hydrocracking, hydrofining, catalytic oxidation and acidic catalysis.
回顾了钨催化剂在石油炼制和石油化工新技术中的应用现状和研究进展,包括加氢裂化、加氢精制、催化氧化、酸催化等技术。