Options of middle pressure hydro-upgrading for maximum diesel, for maximum chemical feedstocks and for chemical feedstocks plus aviation kerosene were emphatically discussed.
重点讨论了中压加氢改质工艺中柴油方案、多产化工原料方案和生产化工原料兼产航煤方案。
Alkanes are the main constituents of oil and natural gas, and consequently are the principal feedstocks for the chemical industry.
链烷是油和天然气的主要成分，并且从而是化学工业的主要原料。
The recent research and development in the field are mainly including the greening of chemical reaction, feedstocks and starting materials, catalysts, solvents and products.
绿色化学是一门从源头上阻止污染的化学，近年来这方面的研究主要是围绕化学反应、原料、催化剂、溶剂和产品的绿色化开展的。
The recent research and development in the field are mainly including the greening of chemical reaction, feedstocks and starting materials, catalysts, solvents and products.
绿色化学是一门从源头上阻止污染的化学，近年来这方面的研究主要是围绕化学反应、原料、催化剂、溶剂和产品的绿色化开展的。
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