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期刊Simultaneous approximation of a function and its derivatives by Sobolev polynomials: Applications in satellite geodesy and precise orbit determination for LEO CubeSats
《大地测量与地球动力学:英文版》2020年第5期376-390,共15页M.Kiani 
The objectives of this paper are twofold:(1) to present a new method of approximation such that the function and some of its derivatives are simultaneously approximated;and(2) to investigate the potential applications...显示全部
关键词:numerical APPROXIMATION ordinary 
期刊Equations and their physical interpretation in numerical modeling of heavy metals in fluvial rivers被引量:2
《中国科学:技术科学英文版》2010年第2期548-557,共10页HUANG SuiLiang numerical Simulation Group for Water Environment, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Key Laboratory of Pollution Processes and Environmental Criteria of the Ministry of Education College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China 
supported by the Natural Science Foundation of Tianjin (Grant No. 09ZCGYSF00400);the National Key-Projects of Water Pollu-tion Control and Prevention (Grant No. 2009ZX07209-001);the Com-monweal Projects Specific for Scientific Research of the Ministry of Water Conservancy of China (Grant No. 200801135);the National Natural Science Foundation of China (Grant No. 50479034)
Based on the previous work on the transport-transformation of heavy metal pollutants in fluvial rivers, this paper presented the formulation of a two-dimensional model to describe heavy metal transport-transformation ...显示全部
关键词:HEAVY metals transport-transformation water-sediment-pollutants interaction FLUVIAL RIVERS numerical modeling 
期刊A MODEL OF INTEGRATED RANDOM INITIAL VALUES AND RANDOM FORCING AND ITS PRELIMINARY EXPERIMENT
《气象学报:英文版》1991年第1期101-110,共10页胡增臻 史久恩 张建中 
A simple quasi-geostrophic barotropic vorticity equation model is used as the dynamic frame of themodel in this paper.Considering that there are many random errors in model’s initial values of meteorolo-gical data,an...显示全部
关键词:Monte-Carlo FORECAST RANDOM FORCING RANDOM INITIAL VALUES numerical EXPERIMENT 
期刊numerical simulation of artificial ground freezing in a fluid-saturated rock mass with account for filtration and mechanical processes
《寒旱区科学:英文版》2017年第4期363-377,共15页Ivan A. Panteleev Anastasiia A. Kostina Oleg A. Plekhov Lev Yu. Levin 
supported by the Russian Science Foundation (Grant No. 17-11-01204)
This study is devoted to the numerical simulation of the artificial ground freezing process in a fluid-saturated rock mass of the potassium salt deposit. A coupled model of nonstationary thermal conductivity, filtrati...显示全部
关键词:artificial ground FREEZING numerical simulation thermogravitational CONVECTION thermo-poroelasiticity 
期刊Characteristics of turbulence transport for momentum and heat in particle-laden turbulent vertical channel flows
《力学学报:英文版》2017年第5期833-845,共13页Caixi Liu Shuai Tang Lian Shen Yuhong Dong 
supported by the National Natural Science Foundation of China (Grants 11272198, 11572183)
The dynamic and thermal performance of particleladen turbulent flow is investigated via direction numerical simulation combined with the Lagrangian point-particle tracking under the condition of two-way coupling, with...显示全部
关键词:Direction numerical simulation (DNS) LAGRANGIAN tracking approach FLOW drag HEAT transfer Particle-laden FLOW 
期刊numerical EXPERIMENT OF THE EFFECT OF ENVIRONMENTAL FLOWS ON TROPICAL CYCLONE MOTION
《气象学报:英文版》1991年第1期111-117,共7页李天明 朱永禔 
A barotropic prirnitive equation model is used to simulate the tropical cyclone motion.Tropical cyclonemovements under different environmental flow backgrounds were examined and sensitivity of tropical cyclonetracks w...显示全部
关键词:numerical EXPERIMENT TROPICAL CYCLONE MOTION effect of environmental flow TROPICAL CYCLONE track sensitivity EXPERIMENT 
期刊REGIME MORPHOLOGY OF EQUILIBRIUM ALLUVIAL CHANNELS
《国际泥沙研究:英文版》1999年第2期187-194,共8页Panayiotis DIPLAS1 (Dept.of Civil Engineering Virginia Polytechnic Institute and State University, Blacksburg VA,24061, USA) 
The concept of turbulent diffusion of downstream momentum in the lateral direction is employed here to develop a model for obtaining the shear stress applied by the flow upon the boundary of channels. The resulting eq...显示全部
关键词:EQUILIBRIUM ALLUVIAL CHANNEL REGIME MORPHOLOGY SHEAR stress numerical model 
期刊numerical MODELLING OF NATURAL RIVER NETWORK
《水动力学研究与进展:英文版》1995年第3期22-31,共10页Zeng, Ping  Li, Yucheng  Zhao, Wenqian 
NUMERICALMODELLINGOFNATURALRIVERNETWORK¥ZengPing;LiYu-cheng(DalianUniversityofTechnology,Dalian116023,P.R.Ch...显示全部
关键词:NATURAL RIVER NETWORK numerical model TURBULENT FLOW 
期刊numerical STUDY OF BUOUNCY- AND THERMOCAPILLARY-DRIVEN FLOWS IN A CAVITY
《力学学报:英文版》1998年第2期130-138,共9页陆夕云 庄礼贤 
Thermocapillary-and buoyancy-driven convection in open cavitieswith differentially heated endwalls is investigated by numerical solutions of the two-dimensional Navier-Stokes equations coupled with the energy equation...显示全部
关键词:thermocapillary-driven FLOW buoyancy-driven FLOW crystal growth numerical simulation FLOW instability 
期刊论数字化对审计真实性的冲击
《审计与经济研究》2000年第5期7-10,共4页陈方林 
当前 ,数字化严重冲击会计假设和审计真实性 ;财务信息是资源也是商品 ,伪造财务信息是犯罪行为 ,必须受到社会谴责和法律制裁。对此 ,应采取对策是 :1.加强计算机法和相关法律的立法、执法和司法建设。 2 .加强会计、审计理论研究与实...显示全部
关键词:数字化 财务信息 会计假设 审计信息 真实性 
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