The main component of petroleum is . A、carbon oxides B、hydrocarbons C、hydronitrogens D、-- 查看答案
As the principal component of petroleums, light hydrocarbons can provide important geochemical information, especially for light oils or condensates in which biological markers are usually difficult to detect because of low concentrations (Hunt et al., 1980). Gasoline range hydrocarbons, especially the...
Based on this, we aim to study the influences of different BDs of tobacco leaves (referring to the degree of deterioration of tobacco leaves with grey speckles) on the usability of tobacco leaves in different cultivars and positions and identified components of grey matter, to explore the ...
Nevertheless, volcanic rock reservoirs have attracted the attention of petroleum researchers from many countries. Compared with sedimentary rocks, volcanic rocks are more complex and more heterogeneous (Luo et al., 1999). They can be divided into original volcanic rocks and weathered volcanic rocks. ...
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Currently, Kelvin, Burgers, and Nishihara models are widely used. The Nishihara model comprises a three-parameter H–K model with viscoplastic components in series, which has the advantage of a more comprehensive expression of creep deformation, compared with the Kelvin and Burgers models and is ...
16.What are the main components of the basic structure of electric motor used in electric vehicles?电动汽车用电动机的基本结构主要由哪些部件构成? 17.What is the role of the motor controller?电动机控制器的作用是什么? 18.Briefly describe the principle of motor controller.简单描述电动机控制器的作用...
In summary, interparticle pores and intraparticle pores are the main components of pores developed in low thermal maturity shale and shale laminae where their heterogeneity is influenced by mineral composition and laminae microcircles. 展开 关键词: Pore Distribution Dongying Depression Microcircle Mineral...
Unlike the Ch7 shale, Terrestrial organisms are important components of the OM in the Ch9 shale, therefore the terrestrial OM delivered by clastic influx promoted OM accumulation in the Ch9 shale, and moderate depositional rate was favorable for OM enrichment. However, too high a depositional rate...
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