MICROSCOPIC

作品数：596被引量：878H指数：12
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相关机构：中南大学东北师范大学中北大学华东理工大学更多>>
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Study on the Fluid-Solid Coupling Seepage of the Deep Tight Reservoir Based on 3D Digital Core Modeling
《Energy Engineering》2025年第2期537-560,共24页Haijun Yang Zhenzhong Cai Hui Zhang Chong Sun Jing Li Xiaoyu Meng Chen Liu Chengqiang Yang 
financially supported by the National Natural Science Foundation of China(Nos.42272153 and 42472195);the Research Fund of PetroChina Tarim Oilfield Company(No.671023060003);the Research Fund of China National Petroleum Corporation Limited(No.2023ZZ16YJ04).
Deep tight reservoirs exhibit complex stress and seepage fields due to varying pore structures,thus the seepage characteristics are significant for enhancing oil production.This study conducted triaxial compression an...
关键词：Digital core fluid-solid coupling pore structure microscopic seepage 
An image mosaic technique with non-overlapping regions based on microscopic vision in precision assembly
《Nanotechnology and Precision Engineering》2023年第4期66-74,共9页Yawei Li Xiaodong Wang Tao Wang Yi Luo 
supported by the Liaoning Revitalization Talents Program(Grant No.XLYC2002020);the Major Project of Basic Scientific Research of Chinese Ministry(Grant No.JCYK2016205A003).
Microscopic vision has been widely applied in precision assembly.To achieve sufficiently high resolution in measurements for precision assembly when the sizes of the parts involved exceed the field of view of the visi...
关键词：Image mosaic Microscopic vision Visual measurement Precision assembly 
Calculation of microscopic nuclear level densities based on covariant density functional theory被引量：3
《Nuclear Science and Techniques》2023年第9期118-127,共10页Kun-Peng Geng Peng-Xiang Du Jian Li Dong-Liang Fang 
supported by the Natural Science Foundation of Jilin Province(No.20220101017JC);National Natural Science Foundation of China(No.11675063);Key Laboratory of Nuclear Data Foundation(JCKY2020201C157).
In this study,a microscopic method for calculating the nuclear level density(NLD)based on the covariant density functional theory(CDFT)is developed.The particle-hole state density is calculated by a combinatorial meth...
关键词：Nuclear level density Covariant density functional theory Combinatorial method 
A patchy-saturated rock physics model for tight sandstone based on microscopic pore structures被引量：2
《Applied Geophysics》2022年第2期147-160,306,共15页Wu Chun-Fang Ba Jing Carcione José M. Müller Tobias M. Zhang Lin 
supported by the National Natural Science Foundation of China(Grant no.41704109);the Jiangsu Province Outstanding Youth Fund Project(Grant no.BK20200021).
The wave-induced local fluid flow mechanism is relevant to the complex heterogeneity of pore structures in rocks.The analysis of the local fluid flow mechanism is useful for accurately describing the wave propagation ...
关键词：Pore structure patchy saturation state squirt-flow effect wave velocity dispersion and attenuation 
Characterization Technique Of Microscopic Pore Structure Based On CT Scanning
《Acta Geologica Sinica(English Edition)》2015年第A01期136-138,共3页ZHANG Yunfeng LI Yilin 
1 Introduction The application of CT scanning technology in the tight sandstone microscopic pore structure characterization is more and more widely in recent years（Dewanckele Jet al, 2012; Bai Bin et al, 2013）.
Nuclear magnetic resonance(NMR) microscopic simulation based on random-walk: Theory and parameters analysis被引量：1
《Journal of Central South University》2014年第3期1091-1097,共7页谭茂金 徐晶晶 邹友龙 徐赤诚 
Project(265201248) supported by the Fundamental Research Funds for the Central Universities,China;Project(41172130) supported by the National Natural Science Foundation of China;Project(2011ZX05014-001) supported by the Major State S&T Special Fund,China;Project(201205002) supported by the China Scholarship Council;Project(2011D-5006-0305) supported by the China National Petroleum Co.Innovation Foundation,China
The microscopic response characteristics of nuclear magnetic resonance(NMR) are widely used for characterizing complex pore structures of rocks. Due to the prohibitive NMR experiment cost, numerical simulation was emp...
关键词：microscopic nuclear magnetic resonance random-walk method pore structure parameters analysis 
A control model for hysteresis based on microscopic polarization mechanisms in piezoelectric actuator
《Journal of Harbin Institute of Technology(New Series)》2008年第3期302-306,共5页汝长海 孙立宁 荣伟彬 
the National Natural Science Foundation of China (Grant No.60604031)
Aiming at the limitation of control accuracy caused by hysteresis and creep for a piezoelectric actuator, the hysteresis phenomenon is explained based on the microscopic polarization mechanism and domain wall theory. ...
关键词：piezoelectric actuator HYSTERESIS microscopic polarization charge control 
Microscopic elasticity imaging of vessel walls based on intravascular ultrasound
《Chinese Journal of Acoustics》2002年第4期307-316,共10页WAN Mingxi WANG Supin CUI Yaoyao LI Junbo LI Yangmei(Department of Biomedical Engineering, Xi’an Jiaotong University Xi’an 710049)Received Apr. 23, 2001 Revised Jun. 19, 2002 
This work was supported by the National Science Foundation of China(No.69925101,39970208).
The effect of the transducer eccentricity on grayscales of intravascualr ultrasound images was corrected based on the scattering properties of high frequency ultrasound in vessel walls. The displacement and strain dis...
关键词：In IVUS Microscopic elasticity imaging of vessel walls based on intravascular ultrasound 
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