Sea area is an important area of oil and gas exploration in China.It has been found that China's sea area mainly consists of coal type oil and gas,and the exploration of coal-bearing series source rocks has become...Sea area is an important area of oil and gas exploration in China.It has been found that China's sea area mainly consists of coal type oil and gas,and the exploration of coal-bearing series source rocks has become an important part of oil and gas exploration there.Through years of comprehensive geological research in China's sea area,it has been revealed that it has undergone multiple occurrences of tectonic opening and closing movements in varying degrees in the Paleogene,forming 26 Cenozoic sedimentary basins of various types,such as active continental margin,passive continental margin,transitional continental margin and drift rift basins.In the present study,it is observed for the first time that coal type source rocks are mainly developed in 14 continental margin basins in China's sea area,revealing that a very large C-shaped coal-bearing basin group developed there in the Cenozoic.Next,based on the coupling analysis of paleoclimate,paleobotany,paleogeography and paleostructure,it is observed that there are five coal-forming periods in China's sea area,namely the Paleocene,Eocene,early Oligocene,late Oligocene and Miocene-Pliocene,and the coal-forming age is gradually new from north to south.It is also found that the coal seams in the sea area are mainly developed in three coal-forming environments in Cenozoic,namely delta,fan delta and tidal flat-lagoon.The coal seams developed in different environments are characterized by thin thickness,many layers and poor stability.However,the coal-bearing series source rocks in China's sea area have a wide distribution range,very high thickness and large amount,thus forming a material basis for the formation of rich coal type oil and gas.展开更多
From November 7 to 10,the China Institute of International Studies(CIIS)held the 20th China-US Yong Scholars’Dialogue,with the theme of“Finding the Right Way for China and the US to Get Along in the New Era:Opportun...From November 7 to 10,the China Institute of International Studies(CIIS)held the 20th China-US Yong Scholars’Dialogue,with the theme of“Finding the Right Way for China and the US to Get Along in the New Era:Opportunities and Challenges.”CIIS President Chen Bo delivered the opening remarks,and Vice President Liu Qing delivered the closing speech.展开更多
The fables of Pre-Qin scholars occupied an important position in the history of the development of Chinese culture,thoughts,and literature,hence had profound and extensive influence on later generations.As a kind of c...The fables of Pre-Qin scholars occupied an important position in the history of the development of Chinese culture,thoughts,and literature,hence had profound and extensive influence on later generations.As a kind of carrier of thoughts,the fables of the Pre-Qin scholars were not immutable and frozen,for they have been influenced by various aspects in the process of transmitting and recognizing.This article attempts to study the evolution of the function,expression,and connotation of the fables of the Pre-Qin scholars.展开更多
Google Scholar的推出吸引了越来越多的学术研究人员。本文详细介绍了图书馆链接计划的运作模式和SFX技术的原理。重点介绍了免费链接解析服务器ScholarSFX的配置方法,以及它在浙江大学图书馆的应用,最后对Google Scholar图书馆链接的...Google Scholar的推出吸引了越来越多的学术研究人员。本文详细介绍了图书馆链接计划的运作模式和SFX技术的原理。重点介绍了免费链接解析服务器ScholarSFX的配置方法,以及它在浙江大学图书馆的应用,最后对Google Scholar图书馆链接的应用情况进行了总结。展开更多
基金The Ministry of Land and Resources Project of Oil and Gas Resource Investigation and Evaluation under contract Nos XQ-2004-05 and XQ-2007-05the National Key Basic Research Program of China(973 Program)under contract No.2009CB219400+3 种基金the National Science and Technology Major Project under contract Nos 2008ZX05025,2011ZX05025 and2016ZX05026the National Natural Science Foundation under contract Nos 41872172 and 42072188the Research and Innovation Team Support Program of Shandong University of Science and Technology under contract No.2018TDJH101Hebei Provincial Resources Survey and Research Laboratory Open Foundation。
文摘Sea area is an important area of oil and gas exploration in China.It has been found that China's sea area mainly consists of coal type oil and gas,and the exploration of coal-bearing series source rocks has become an important part of oil and gas exploration there.Through years of comprehensive geological research in China's sea area,it has been revealed that it has undergone multiple occurrences of tectonic opening and closing movements in varying degrees in the Paleogene,forming 26 Cenozoic sedimentary basins of various types,such as active continental margin,passive continental margin,transitional continental margin and drift rift basins.In the present study,it is observed for the first time that coal type source rocks are mainly developed in 14 continental margin basins in China's sea area,revealing that a very large C-shaped coal-bearing basin group developed there in the Cenozoic.Next,based on the coupling analysis of paleoclimate,paleobotany,paleogeography and paleostructure,it is observed that there are five coal-forming periods in China's sea area,namely the Paleocene,Eocene,early Oligocene,late Oligocene and Miocene-Pliocene,and the coal-forming age is gradually new from north to south.It is also found that the coal seams in the sea area are mainly developed in three coal-forming environments in Cenozoic,namely delta,fan delta and tidal flat-lagoon.The coal seams developed in different environments are characterized by thin thickness,many layers and poor stability.However,the coal-bearing series source rocks in China's sea area have a wide distribution range,very high thickness and large amount,thus forming a material basis for the formation of rich coal type oil and gas.
文摘From November 7 to 10,the China Institute of International Studies(CIIS)held the 20th China-US Yong Scholars’Dialogue,with the theme of“Finding the Right Way for China and the US to Get Along in the New Era:Opportunities and Challenges.”CIIS President Chen Bo delivered the opening remarks,and Vice President Liu Qing delivered the closing speech.
基金北京市大学生创新训练项目-先秦子部“寓言”文本生成与传播路径研究,Serial Number S202210015036北京印刷学院校级教改创新重点项目-国家级一流专业--编辑出版学专业建设研究,Serial Number22150223075.
文摘The fables of Pre-Qin scholars occupied an important position in the history of the development of Chinese culture,thoughts,and literature,hence had profound and extensive influence on later generations.As a kind of carrier of thoughts,the fables of the Pre-Qin scholars were not immutable and frozen,for they have been influenced by various aspects in the process of transmitting and recognizing.This article attempts to study the evolution of the function,expression,and connotation of the fables of the Pre-Qin scholars.
