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Dynamic-Change Laws of the Porosity and Permeability of Low-to Medium-Rank Coals under Heating and Pressurization Treatments in the Eastern Junggar Basin,China被引量：8
《Journal of Earth Science》2018年第3期607-615,共9页Gang Wang Yong Qin Jian Shen Shuyuan Chen Beibei Han Xiaoting Zhou 
funded by the National Natural Science Fundation of China(Nos.41672149,41302131,41362009);the Key Project of the National Natural Science Foundation of China(No.41530314);the Scientific Research Foundation of the Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process of the Ministry of Education,China University of Mining and Technology,(No.2017-001);the National Science and Technology Major Project of the Ministry of Science and Technology of China(Nos.2016ZX05044-002,2011ZX05033,2011ZX05034);the Fundamental Research Funds for the Central Universities(No.2012QNB32)
Deep coalbed methane exists in high-temperature and high-pressure reservoirs. To elucidate the dynamic-change laws of the deep coal reservoir porosity and permeability characteristics in the process of coalbed methane...
关键词：high-temperature and confining pressure coalbed methane reservoir POROSITY permeability dynamic change. 
Exponential inequalities under the sub-linear expectations with applications to laws of the iterated logarithm被引量：42
《Science China Mathematics》2016年第12期2503-2526,共24页ZHANG LiXin 
supported by National Natural Science Foundation of China (Grant No. 11225104);the National Basic Research Program of China (Grant No. 2015CB352302);the Fundamental Research Funds for the Central Universities
Kolmogorov's exponential inequalities are basic tools for studying the strong limit theorems such as the classical laws of the iterated logarithm for both independent and dependent random variables. This paper establi...
关键词：sub-linear expectation capacity Kolmogorov＇s exponential inequality negative dependence laws of the iterated logarithm central limit theorem 
Laws of Large Numbers of Negatively Correlated Random Variables for Capacities被引量：2
《Acta Mathematicae Applicatae Sinica》2011年第4期749-760,共12页Wen-juan LI Zeng-jing CHEN 
Supported by the National Basic Research Program of China (973 Program, No. 2007CB814901)
Our aim is to present some limit theorems for capacities. We consider a sequence of pairwise negatively correlated random variables. We obtain laws of large numbers for upper probabilities and 2-alternating capacities...
关键词：law of large numbers 2-alternating capacity negatively correlated random variables upper probability 
Laws of strata energy release and corresponding safety warning system in metal mine被引量：5
《Transactions of Nonferrous Metals Society of China》2011年第11期2508-2512,共5页刘志祥 郭永乐 刘超 卢俊华 
Project (2010CB732004) supported by the National Basic Research Program of China;Project (51074177) supported by the Joint Funding of National Natural Science Foundation and Shanghai Baosteel Group Corporation,China
The strata deformation in mining area was monitored in Dabaoshan copper-iron mine,and an analytical method of strata energy release was put forward.On the basis of chaotic theory,by reconstructing the phase space for ...
关键词：strata energy release phase space reconstruction grey theory safety warning system 
Division of Gas Accumulation System and Laws Controlling Distribution of Natural Gas in Typical Petroliferous Basins of China
《Journal of China University of Geosciences》2002年第4期306-312,共7页Jiang Zhenxue Pang Xiongqi Jin Zhijun Chen Dongxia Basin & Reservoir Research Center, University of Petroleum, Beijing 102249 Key Laboratory of Hydrocarbon Accumulation, Ministry of Education, Beijing 102249 
ThispaperissupportedfinanciallybyNationalKeyBasicResearchPro ject ( 973)"FormationandDistributionofOilandGasinTypicalSuperimposedBasininChina (G1 9990 4 33)"andCNPC"NineFiveYear"PlanProject"QuantitativeModelsofPetroleumAccumulationinMajorFie
Considering the existing problems of the petroleum system, this paper bringsforward the concept of natural gas accumulation system and presents the dividing principles. Thendetailed statistics on the accumulation fact...
关键词：petroliferous basins in china gas accumulation system petroleum system laws controlling gas potential area 
BACKLUND TRANSFORMATION, NONLINEAR SUPERPOSITION FORMULAE AND INFINITE CONSERVED LAWS OF BENJAMIN EQUATION被引量：1
《Applied Mathematics and Mechanics(English Edition)》2001年第10期1127-1131,共5页ZHANG Hong-qing(张鸿庆) ZHANG Yu-feng(张玉峰) 
国家重点基础研究发展计划(973计划)
Backlund transformation, exact solitary wave solutions, nonlinear supperposi tion formulae and infinite conserved laws are presented by using TU-pattern. The algorithm involves wide applications for nonlinear evolutio...
关键词：BENJAMIN equation BACKLUND transformation INFINITE CONSERVED LAW 
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