Results 21 to 30 of about 64,340 (207)

Study on the Law of Membrane Efficiency of Unsaturated Shale and Its Application

open access: yesGeofluids, 2018
The microscopic interaction mechanism between working fluids and shale reservoirs is the key basic issue for the efficient development of shale gas. The initial water saturation of clay-rich shale is low, and the water absorption through strong chemical ...
Long Chang   +4 more
doaj   +1 more source

RETRASO, a code for modeling reactive transport in saturated and unsaturated porous media

open access: yesGeologica Acta, 2004
The code RETRASO (REactive TRAnsport of SOlutes) simulates reactive transport of dissolved and gaseous species in non-isothermal saturated or unsaturated problems.
Maarten W. Saaltink   +4 more
doaj   +1 more source

Study on the Hydraulic Parameters of Woshaxi Landslide Soils during Water Level Drawdown of Three Gorges Reservoir

open access: yesGeofluids, 2020
Variation of hydraulic parameters for unsaturated soil in bank slopes during reservoir water rising or falling process is crucial to scientific analysis and evaluation of bank slope stability. In this paper, soil samples from the Woshaxi landslide in the
Zhenhua Zhang   +3 more
doaj   +1 more source

The genus Arachis: an excellent resource for studies on differential gene expression for stress tolerance

open access: yesFrontiers in Plant Science, 2023
Peanut Arachis hypogaea is a segmental allotetraploid in the section Arachis of the genus Arachis along with the Section Rhizomataceae. Section Arachis has several diploid species along with Arachis hypogaea and A. monticola.
Dilip Kumar, Pulugurtha Bharadwaja Kirti
doaj   +1 more source

Fish Oil Production Process From Waste Catfish (Pangasius Pangasius) in Balai Besar Pengujian Penerapan Hasil Perikanan (BBP2HP) East Jakarta

open access: yesJournal of Marine and Coastal Science, 2020
Processing by product of catfish (Pangasius pangasius) on domestic scale or industrial produces many problems related to polluting the environment. Fish processing industry activities always generate waste because it is used generally only part of the ...
Ramdhan Febrianto, Sudarno Sudarno
doaj   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao   +6 more
wiley   +1 more source

Stability Analysis of Three-Dimensional Tunnel Face Considering Linear and Nonlinear Strength in Unsaturated Soil

open access: yesApplied Sciences
The shear strength of unsaturated soils exhibits significant nonlinearity, while previous studies often simplified it with linear strength models. The objective of this paper is to investigate the distinctions in the stability of three-dimensional (3D ...
Yushan Yang, Hong Liao, Jianqun Zhu
doaj   +1 more source

Suction tests on sliding soil in interface landslide based on filter paper method

open access: yesYantu gongcheng xuebao, 2018
Suction is a decisive factor to control the state of unsaturated soils. The filter paper method is an indirect method for measuring suction, which has the advantages of low cost, large measuring range and high precision.
CHEN Wen-wu 1, 2, LIU Peng 1, LIU Wei 1, LIN Gao-chao 1, XU He 1
doaj   +1 more source

Experimental study on actively heated fiber Bragg grating method for sensing seepage in unsaturated soils

open access: yesYantu gongcheng xuebao, 2022
The seepage in unsaturated soils is a key factor that induces various geohazards and geoenvironmental problems, but the mechanism has not been clearly understood due to the limitations of measuring techniques.
LIU Xi-feng 1, ZHU Hong-hu 1, 2, WANG Jia-chen 1, 3, 4, LI Jie 1, WANG Jing 1, CAO Ding-feng 2, 5, SHI Bin 1
doaj   +1 more source

Electrochemical Pathways for Nitrate Conversion to Ammonia: From Environmental Challenges to Ammonia Economy

open access: yesAdvanced Functional Materials, EarlyView.
This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li   +9 more
wiley   +1 more source

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