搜索结果: 1-15 共查到“理学 conductivity”相关记录110条 . 查询时间(0.046 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Some recent progress on the gradient estimates for the insulated conductivity problem
绝缘 电导率 梯度估计 椭圆偏微分方程
2023/4/17
In this talk, I will describe an elliptic PDE that models electric conduction, and the electric field concentration phenomenon between closely spaced inclusions of high contrast. In the first part, I ...
中国地质大学科学技术发展院朱棋（博士研究生），文章*，等，环境学院. Journal of Hydrology (2019), Microbial effects on hydraulic conductivity estimation by single-well injection tests in a petroleum-contaminated aquifer（图）
有机物污染；注水试验；微生物生长
2021/10/15
近日，国际著名期刊《Journal of Hydrology》刊发了中国地质大学环境学院文章教授团队的最新研究成果——“Microbial effects on hydraulic conductivity estimation by single-well injection tests in a petroleum-contaminated aquifer”。该文第一作者为环境学院博士研究生朱...
中国地质大学科学技术发展院秦晅（博士研究生），蔡建超等地空学院 International Journal of Heat and Mass Transfer, Available online 24 September 2018, A fractal model of effective thermal conductivity for porous media with various liquid saturation
多孔；介质热传导；特性；工程
2021/10/21
近日，国际传热传质领域顶级期刊《International Journal of Heat and Mass Transfer》在线刊发了中国地质大学地空学院蔡建超教授团队的最新研究成果---A fractal model of effective thermal conductivity for porous media with various liquid saturation。论文第一作者...
中国地质大学科学技术发展院陈思博(硕士研究生), 郭新转等GPMR国家重点实验室 GEOLOGY, JAN 2018, Dehydration of phengite inferred by electrical conductivity measurements: Implication for the high conductivity anomalies relevant to the subduction zones
多硅；白云母；脱水；对俯冲带；高导；异常
2021/10/21
2018年1月，《GEOLOGY》刊发了中国地质大学地质过程与矿产资源国家重点实验室郭新转副教授研究团队的研究论文：多硅白云母的脱水及其对俯冲带高导异常的启示（Dehydration of phengite inferred by electrical conductivitymeasurements: Implication for the high conductivity anomalies...
中国地质大学科学技术发展院蔡建超，胡祥云等地空学院 Earth-Science Reviews，30 June 2017. Electrical conductivity models in saturated porous media: A review
饱和；多孔介质；电导率；模型
2021/10/21
2017年6月30日，中国地质大学地空学院蔡建超教授于国际著名期刊《Earth-Science Reviews》（IF=7.051）上在线发表了综述论文《饱和多孔介质中电导率模型的研究进展》(Electrical conductivity models in saturated porous media: A review)。
Vitamin B-12 treatment of asymptomatic, deficient, elderly Chileans improves conductivity in myelinated peripheral nerves, but high serum folate impairs vitamin B-12 status response assessed by the combined indicator of vitamin B-12 status
folate vitamin B-12 holotranscobalamin methylmalonic acid total homocysteine folic acid fortification nerve conductivity elderly Chile
2018/11/26
Background: It is uncertain whether vitamin B-12 supplementation can improve neurophysiologic function in asymptomatic elderly with low vitamin B-12 status or whether folate status affects responses t...
High resolution electromagnetic methods and low frequency dispersion of rock conductivity
electromagnetic sounding induced polarization frequency dispersion of conductivity resolution of sounding mathematical modelling
2015/10/8
The influence of frequency dispersion of conductivity (induced polarization) of rocks on the results of electromagnetic (EM) sounding was studied on the basis of calculation of electric field of verti...
Assessment of deep electrical conductivity features of Northern Victoria Land (Antarctica) under other geophysical constraints
Magnetovariations electrical conductivity lithosphere
2015/9/28
The lithospheric and crustal structure of the Victoria Land continental block (Antarctica) has been studied by geological and geophysical surveys. Among them magnetovariational investigations (MV) hav...
Phosphorus deficiency-induced reduction in root hydraulic conductivity in Medicago falcata is associated with ethylene production
Phosphorus deficiency Root hydraulic conductivity Ethylene production Aquaporins Medicago falcata L
2015/2/5
Plants grown in phosphorus-deficient solutions often exhibit disruption of water transport due to reduction in root hydraulic conductivity (Lpr) and enhanced ethylene production. To uncover the relati...
Optical Conductivity of the Fröhlich Polaron
Light conductivity three-dimensional coupling mechanism function frequency light conductivity
2014/12/20
We present accurate results for optical conductivity of the three dimensional Fröhlich polaron in all coupling regimes. The systematic-error free diagrammatic quantum Monte Carlo method is employ...
Heat Generation Effects on MHD Natural Convection Flow along a Vertical Wavy Surface with Variable Thermal Conductivity
Natural Convection Magnetohydrodynamics Heat Transfer Wavy Surface Temperature Dependent Thermal Conductivity Heat Generation
2013/1/30
The heat generation effects on magnetohydrodynamic(MHD) natural convection flow along a vertical wavy surface with variable thermal conductivity have been investigated. The governing boundary layer eq...
Extracellular electrical signals in a neuron-surface junction: model of heterogeneous membrane conductivity
Neuron extracellular electrical signals cell-surface junction transmembrane current
2012/2/28
Signals recorded from neurons with extracellular planar sensors have a wide range of waveforms and amplitudes. This variety is a result of different physical conditions affecting the ion currents thro...
A Statistical Model for the Relative Hydraulic Conductivity of Water Phase in Unsaturated Soils
Unsaturated Soils Permeability Function Relative Permeability of Unsaturated Soils
2013/3/7
Permeability coefficients of fluids occupying the pore space of a porous medium have significant influence on the flow of these fluids through the porous medium. In the case of unsaturated soils, in a...
Absence of traveling wave solutions of conductivity type for the Novikov-Veselov equations at zero energy
traveling wave conductivity type the Novikov-Veselov equations zero energy
2011/7/27
Abstract: We prove that the Novikov-Veselov equation (an analog of KdV in dimension 2 + 1) at zero energy does not have sufficiently localized soliton solutions of conductivity type.
The effective conductivity of arrays of squares: large random unit cells and extreme contrast ratios
Random checkerboard, Homogenization, Integral equation,Fast solver, Metamaterial
2011/8/31
An integral equation based scheme is presented for the fast and accurate computation of effective conductivities of two-component checkerboard-like composites with complicated unit cells at very high ...