云南高校图书馆联盟文献共享服务平台- VARIABLE

VARIABLE: 作品数：1198被引量：2078H指数：15; 导出分析报告; 相关领域：理学更多>>; 相关作者：吕明华金伯泉张葵朱平杨琨更多>>; 相关机构：北京理工大学北京航空航天大学中国农业大学中南大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Radial Permeability Measurements for Shale Using Variable Pressure Gradients: 《Acta Geologica Sinica(English Edition)》2020年第2期269-279,共11页FAN Kunkun SUN Renyuan DEREK ELS WORTH DONG Mingzhe LI Yajun YIN Congbin LI Yanchao CHEN Zhongwei WANG Chunguang; from the 973 project(2014CB239103);the National Science,Technology Major Project(2016ZX05023-001,2017ZX05049-006);the Fundamental Research Funds for Central Universities(15CX06026A);the China Scholarship Council(201706450021);the National Nature Science Foundation(41772154);the Shandong Provincial Natural Science Foundation(ZR2017MEE003).; Shale gas is becoming an important component of the global energy supply, with permeability a critical controlling factor for long-term gas production. Obvious deviation may exist between helium permeability determine...; 关键词：SHALE RADIAL PERMEABILITY VARIABLE PRESSURE gradients PSEUDO PRESSURE PSEUDO time

Electromagnetism Principle of the Coarse-Exact Coupling Variable-Reluctance Resolver: 《Journal of Harbin Institute of Technology(New Series)》2017年第6期38-44,共7页Jing Shang Hao Wang Xueyuan Liu Meng Zhao; Sponsored by the National Key Basic Research Program of China(Grant No.2013CB035600);the National Natural Science Foundation of China(Grant No.51377031); A new coupling axial flux variable-reluctance resolver is put forward on the basis of existing reluctance resolver. The coupling area of stator and rotor is calculated by using calculus method. The magneticmotive forc...; 关键词：coupling electromotive FORCE HARMONIC analysis

Optimal Combinations and Variable Departure Intervals for Micro Bus System被引量：3: 《Tsinghua Science and Technology》2017年第3期282-292,共11页Jiaoyang Li Jianming Hu Yi Zhang; supported by the National Key Basic Research and Development Program in China(No.2016YFB0100906);the National Key Technology Research and Development Program(No.2014BAG03B01);the National Natural Science Foundation of China(Nos.61273238 and 61673232);Beijing Manicipal Science and Technology Program(No.D15110900280000); It is becoming increasingly difficult for Chinese citizens to access traditional public transport because of overcrowded community structures. Therefore, novel ideas are required to improve the transport system. In th...; 关键词：bus scheduling optimization model rapid bus Particle Swarm Optimization （PSO） Genetic Algorithm（GA）

Overall efficiency optimization of controllable mechanical turbo-compounding system for heavy duty diesel engines被引量：3: 《Science China(Technological Sciences)》2017年第1期36-50,共15页HE GuanZhang XIE Hui HE ShiJie; supported by the National Basic Research Program of China(Grant No.2011CB707206); A controllable mechanical turbo-compounding(CMTC) system including continuously variable transmission(CVT) and power turbine bypass valve is proposed to recover waste heat from engine exhaust. The combined matching pr...; 关键词：heavy duty diesel engine waste heat recovery controllable mechanical turbo-compounding continuously variabletransmission device driving cycle transient response

Quantum hacking of two-way continuous-variable quantum key distribution using Trojan-horse attack: 《Chinese Physics B》2016年第8期65-70,共6页马鸿鑫鲍皖苏李宏伟周淳; supported by the National Basic Research Program of China(Grant No.2013CB338002);the National Natural Science Foundation of China(Grant Nos.11304397 and 61505261); We present a Trojan-horse attack on the practical two-way continuous-variable quantum key distribution system. Our attack mainly focuses on the imperfection of the practical system that the modulator has a redundancy ...; 关键词：quantum hacking two-way continuous-variable quantum key distribution Trojan-horse

Process, mechanism and impacts of scale formation in alkaline flooding by a variable porosity and permeability model: 《Acta Mechanica Sinica》2016年第3期406-421,共16页Zhen Zhang Jiachun Li; supported by the National Basic Research Program of China (Grant 2005CB221300);the National Natural Science Foundation of China (Grant 11302234); In spite of the role of alkali in enhancing oil recovery（EOR）, the formation of precipitation during alkaline-surfactant-polymer（ASP） flooding can severely do harm to the stratum of oil reservoirs, which has been ...; 关键词：Alkali Precipitation Chemical flood Permeability Oil recovery

Liquid-Phase Catalytic Hydrogenation of Furfural in Variable Solvent Media: 《Transactions of Tianjin University》2016年第3期202-210,共9页夏淑倩李阳商巧燕张成武马沛生; Supported by the National Basic Research Program of China("973"Program,2014CB260408);Tianjin Natural Science Foundation(No.13JCYBJC19300); Water is the most abundant compound inherently existing in bio-oils. Thus understanding the role of water within bio-oils upgrading process is essential for future engineering scale-up design. In this study, furfural ...; 关键词：water FURFURAL catalytic hydrogenation POLYMERIZATION competitive reaction

Differential transform method for solving Richards' equation: 《Applied Mathematics and Mechanics(English Edition)》2016年第2期169-180,共12页Xi CHEN Ying DAI; Project supported by the National Basic Research Program of China(973 Program)(No.2011CB013800); An approximate solution to Richards＇ equation is presented, mathematically describing a sort of unsaturated single phase fluid flow in porous media. The approach is a differential transform method （DTM） with interm...; 关键词：approximate analytical solution Richavds＇ equation differential transform method （DTM） intermediate variable

A review on evapotranspiration data assimilation based on hydrological models被引量：9: 《Journal of Geographical Sciences》2016年第2期230-242,共13页董晴晴占车生王会肖王飞宇朱明承; National Key Basic Research Program of China(973 Program),No.2015CB452701;National Natural Science Foundation of China,No.41271003;No.41371043;No.41401042; Accurate estimation of evapotranspiration(ET),especially at the regional scale,is an extensively investigated topic in the field of water science. The ability to obtain a continuous time series of highly precise ET va...; 关键词：EVAPOTRANSPIRATION data assimilation hydrological model non-state variable

Seasonal variability of the isopycnal surface circulation in the South China Sea derived from a variable-grid global ocean circulation model被引量：3: 《Acta Oceanologica Sinica》2016年第1期11-20,共10页WEI Zexun FANG Guohong XU Tengfei WANG Yonggang LIAN Zhan; The National High Technology Research and Development Program(863 Program)of China under contract No.2013AA09A506;the National Natural Science Foundation of China-Shandong Joint Fund for Marine Science Research Centers under contract No.U1406404;the National Basic Research Program(973 Program)of China under contract No.2011CB956000;the National Natural Science Foundation of China under contract No.40476016; In this study, we develop a variable-grid global ocean general circulation model （OGCM） with a fine grid （1/6）° covering the area from 20°S-50°N and from 99°-150°E, and use the model to investigate the isopyc...; 关键词：South China Sea isopycnal surface circulation ocean general circulation model Luzon Strait transport

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

VARIABLE

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

VARIABLE

检索结果分析

下载全文

用户登录

高级检索检索式检索