Results 21 to 30 of about 3,266 (254)

STUDY OF POTASSIUM QUANTITY – INTENSITY PARAMETERS IN SOME CALCAREOUS SOILS IN NORTHERN IRAQ [PDF]

open access: yesMesopotamia Journal of Agriculture, 2011
Potassium supplying power by using Beckett approach to evaluate some criterias of potassium thermodynamics and their uses as indicators in evaluating of soil fertility in some arid soils, location of KIRKUK province in northern of Iraq. Forms of soluble,
Mohammad Ali Al-Obaidi
doaj   +1 more source

Hydrodynamics of Non‐Equilibrium Soil Water Retention

open access: yesWater Resources Research, 2023
Water retention in soil exhibits diverse phenomena, including suction‐saturation hysteresis, non‐unique air entrapment at zero suction and negative suction under partial saturations.
Itai Einav, Mario Liu
doaj   +1 more source

Calculation of Capillary Rise Height of Soils by SWCC Model

open access: yesAdvances in Civil Engineering, 2018
The maximum capillary rise height of soil is a complex system which is mainly determined by the distribution characteristics of soil pores. The tests of the rising height of capillary water on 8 kinds of soils by the method of vertical tube are widely ...
Yuhan Li   +3 more
doaj   +1 more source

Carbon nanotube/Chitosan hydrogel for adsorption of acid red 73 in aqueous and soil environments

open access: yesBMC Chemistry, 2023
Acid red 73 is an azo dye, and its residue can pollute the environment and seriously threaten human health and life. In this study, glutaraldehyde was used as the crosslinking agent, chitosan and polyvinyl alcohol were crosslinked under appropriate ...
Jia Wei   +5 more
doaj   +1 more source

Effective removal of Cr(VI) in water by bulk-size polyaniline/polyvinyl alcohol/amyloid fibril composite beads

open access: yesWater Science and Technology, 2023
With the rapid expansion of industrial activities, chromium ions are discharged into the environment and cause water and soil pollution of various extents, which seriously endangers the natural ecological environment and human health.
Jia Wen, Yuru Zhang, Yinlin Du
doaj   +1 more source

Energy efficiency in transient surface runoff and sediment fluxes on hillslopes – a concept to quantify the effectiveness of extreme events [PDF]

open access: yesHydrology and Earth System Sciences, 2023
Surface runoff over time shapes the morphology of the landscape. The resulting forms and patterns have been shown to follow distinct rules, which hold throughout almost all terrestrial catchments.
S. Schroers, U. Scherer, E. Zehe
doaj   +1 more source

Air trapping problem during infiltration on the large areas

open access: yesE3S Web of Conferences, 2018
The process of flow modeling in unsaturated porous medium is often found in many fields of sciences: geology, fluid mechanics, thermodynamics, microbiology or chemistry.
Tisler Witold, Szymkiewicz Adam
doaj   +1 more source

A field experimental study of sludge vacuum preloading based on the temperature increasing heating technology

open access: yesShuiwen dizhi gongcheng dizhi, 2022
Temperature increasing heating combined with vacuum preloading is a new sludge dewatering and consolidation technology, and relevant field experimental research has not been carried out.
Jin CHENG   +7 more
doaj   +1 more source

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

open access: yesAdvanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena   +3 more
wiley   +1 more source

Simulated temperatures of forest fires affect water solubility in soil and litter

open access: yesEcological Indicators, 2023
As wildfires are of increasing concern in a warming world, there is a need to understand how fire temperatures affect solute concentrations of forest litter and soils in drinking water catchments.
Konrad Miotliński   +4 more
doaj   +1 more source

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