Results 31 to 40 of about 16,940,269 (158)
Energies, 2021 Liquid carbon dioxide (L-CO2) phase-transition blasting technology (LCPTB) has caused wide concern in many fields, but there is a lack of research on the initiation of the carbon dioxide fracturing pipe.
Jieqin Xia +5 more
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Planta Daninha, 2007 Objetivou-se com este trabalho avaliar o grau de interferência do capim-arroz em cultivares de arroz irrigado e comparar variáveis explicativas, visando identificar aquela que propicia melhor ajuste dos dados a modelo matemático. Para isso, foi conduzido
L. Galon +4 more
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Temporal Model for Ship Twin-Propeller Jet Induced Sandbed Scour
Journal of Marine Science and Engineering, 2019 This research paper proposes the use of empirical equations to estimate the temporal maximum scour that is induced by twin-propeller ( ε t w i n = Ω t [ l n ( t ) ] Γ t ) when acting over non-cohesive bed ...
Yonggang Cui +5 more
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EnergiesCommercial scale tidal stream turbines (TST) are expected to be deployed in shallow water where the depth varies from 1.5 to 3 turbine diameters. In this study, numerical simulation is conducted at realistic hydrodynamic conditions of potential tidal ...
Kabir Bashir Shariff, Sylvain S. Guillou
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IEEE Access, 2019 Empirical models have been widely and successfully used in device modeling in the past few decades. However, they are becoming increasingly intricate to accurately capture the complex thermal effects in semiconductor devices.
Wenrui Hu +3 more
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Empirical Model for Estimation of Soil Permeability Based on Soil Texture and Porosity
Jurnal Teknik Pertanian Lampung, 2023 Soil permeability is the ability of the soil to pass water or air. Soil permeability is affected by texture, structure, and soil porosity. This study aims to develop a mathematical model to predict the value of soil permeability as a function of the ...
Siti Suharyatun +4 more
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EnergiesSince the beginning of the 20th century, many studies have focused on the possibility of considering the sky as a body characterized by an apparent temperature, and several correlations to quantify the apparent sky temperature have been proposed. However,
Edoardo De Cristo +3 more
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Estimation of Potential Evapotranspiration in the Yellow River Basin Using Machine Learning Models
Atmosphere, 2022 Potential evapotranspiration (PET) is an important input variable of many ecohydrological models, but commonly used empirical models usually input numerous meteorological factors.
Jie Liu +6 more
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Sea Surface Ka-Band Doppler Measurements: Analysis and Model Development
Remote Sensing, 2019 Multi-year field measurements of sea surface Ka-band dual-co-polarized (vertical transmit–receive polarization (VV) and horizontal transmit–receive polarization (HH)) radar Doppler characteristics from an oceanographic platform in the Black ...
Yury Yu. Yurovsky +3 more
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A Brief Analysis of Radio Propagation Models for Long Term Evolution
Dianxin kexue, 2013 The accurate network planning and optimization was based on good radio propagation model for the particular wireless environment and specific frequency.Several types of LTE-based propagation models were reviewed under the three kinds of propagation model
Mingfeng Zhao
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