Analysis of China’s Oil Trade Pattern and Structural Security Assessment from 2017 to 2021
نویسندگان
چکیده
Oil is an important strategic resource of the country, and oil trade structure related to national security. In this paper, based on data China’s import from 2017 2021, using methods concentration, Shannon entropy index, quantitative evaluation structure, authors analyze pattern security 7 varieties, including crude oil, vehicle gasoline, aviation naphtha, kerosene, No. 5-7 fuel unburned petroleum coke, asphalt. The research shows that trend large-scale diversified patterns obvious, main importing countries various varieties are relatively stable. structural highest, a medium highly-centralized oligopoly. other belongs or very low downward trend. As shown by early warning calculations increasing number transaction proportion trading partners in collaborative growth zone reducing reverse inhibition zone, we can optimize China.
منابع مشابه
consequence analysis of the leakage, ignition and explosion during high pressure sour gas injection process to the oil reservoir
there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...
the role of russia in transmission of energy from central asia and caucuses to european union
پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...
15 صفحه اولepidemiological study of oral and pharyngeal cancers in kermanshah province from march 1993 to march 2006
چکیده ندارد.
15 صفحه اولthe differential effects of debate and media analysis as relate to enhancing efl learners critical thinking ability and writing performances
critical thinking ability has an important role in education. accordingly, scholars around the world are searching for new ways for teaching and improving students critical thinking ability. in line with the studies in efl contexts supporting the positive relationship between critical thinking and writing performances, this study investigated the differential effects of halverson’s critical thi...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Chemistry and Technology of Fuels and Oils
سال: 2022
ISSN: ['1573-8310', '0009-3092']
DOI: https://doi.org/10.1007/s10553-022-01362-y