Analytical results demonstrate that atmospheric particulates come mainly from concrete industry and traffic, and partly from air dust and soot of industrial stoves in Hefei City.
综合分析结果揭示合肥地区大气颗粒物主要源于水泥工业和交通造成的污染,部分来源于地面扬尘和工业窑炉。
Based on intense competition conditions facing oil refining industry and the characteristics of Sinopec Group, the paper puts forward a set of analytical method for refinery competitive force.
根据炼油工业面临的激烈竞争形势和中国石化集团公司的特点,提出一套炼油厂竞争力的分析方法,供大家参考。
Marginal contribution analytical method commonly used in intermittent industry can also be used for economic analysis of production and operation of solid products in petrochemical industry.
石化行业固态产品生产经营的经济分析可以借鉴离散性工业中常用的边际贡献分析法。
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