Results 11 to 20 of about 4,575,316 (321)
Optics and Photonics Journal, 2020 In order to improve the correction effect of the adaptive optical system in coherent optical communication, we investigate the relative distortion between the wavefronts of different wavelengths of the beams transmitted on the near-ground horizontal ...
Xizheng Ke, Xiaozhan Chen
semanticscholar +1 more source
Relationship between pore structure and gas permeability of raw coal and briquette coal
Meikuang Anquan, 2022 In order to study the correlation between the gas permeability coefficient and the pores characteristics of coal, the permeability coefficients of raw coal and briquette coal were measured, and the relationship between permeability and the pore ...
SUN Liang, JIA Nan, YANG Xing
doaj +1 more source
An adjusted coefficient of determination (R2) for generalized linear mixed models in one go
Biometrical journal. Biometrische Zeitschrift, 2023 The coefficient of determination (R2) is a common measure of goodness of fit for linear models. Various proposals have been made for extension of this measure to generalized linear and mixed models.
H. Piepho
semanticscholar +1 more source
, 2020 Real estate valuation uses 3 main approaches: income, cost and comparative. When applying the comparative method, correction coefficients based on similar real estate transactions are determined.
Valentas Gružauskas +3 more
semanticscholar +1 more source
Probabilistic Analysis as a Method for Ground Freezing Depth Estimation
Applied Sciences, 2021 Accurate frost depth prediction is an important aspect in different engineering designs such as for pavements, buildings, bridge foundations, and utility lines.
Tomasz Godlewski +2 more
doaj +1 more source
Generalized uncertainty principle and correction value to the black hole entropy [PDF]
, 2006 Recently, there has been much attention devoted to resolving the quantum corrections to the Bekenstein-Hawking entropy of the black hole. In particular, many researchers have expressed a vested interest in the coefficient of the logarithmic term of the ...
Hu Shuang-Qi +10 more
core +2 more sources
Physics Letters B, 1989 Abstract The explicit forms for the B 4 coefficient in the heat kernel expansion for scalar fields are obtained for both Dirichlet and Robin boundary conditions.
I.G. Moss, J.S. Dowker
openaire +1 more source
Sensors, 2016 According to the operating specifications of existing electric field measuring instruments, measuring technicians must be located far from the instruments to eliminate the influence of the human body occupancy on a spatial electric field.
Dongping Xiao +4 more
doaj +1 more source
Energies, 2019 Under the typhoon disaster, the power grid often has serious accidents caused by falling power towers and breaking lines. It is of great significance to analyze and predict the damage probability of a transmission line-tower system for disaster ...
Hui Hou +5 more
doaj +1 more source
Вестник Дагестанского государственного технического университета: Технические науки, 2017 Objectives. The formation of the structure of hardened concrete grouting with two-stage expansion is a complex process that is influenced by many factors, both of a prescriptive nature (composition and additive dosage, mineralogical composition of ...
T. N. Zhilnikova +2 more
doaj +1 more source