Results 171 to 180 of about 30,193 (302)

Enhancement of the Plant‐Accessible Phosphate Fraction in Sewage Sludge Ashes by Na+ or K+ Addition Prior to Combustion

ChemSusChem, Volume 18, Issue 6, March 15, 2025.
The addition of Na2CO3 or K2CO3 to sewage sludge prior to combustion leads to the production of ashes containing phosphate in the form of buchwaldite‐like phases (Ca(Na/K)PO4). Compared to conventional sewage sludge mono‐ashes, such Na‐ or K‐ashes show greatly increased P‐solubilities and proved to be potent P‐fertiliser materials in greenhouse ...
Lorenz Bier‐Schorr, Viktoria Gräser, Michael Scherer‐Lorenzen, Peter Hajek, Philipp Kurz   +4 more
wiley   +1 more source

Global groundwater contamination by geogenic fluoride. [PDF]

Environ Geochem Health
Ali S, Mishra P, Brindha K, Gutiérrez M, Kumar R, Sunkari ED, Gevera PK, Karro E, Egbueri JC, Dehbandi R, Chandrajith R, Li P, Islam ARMT, Yun ST, Sabino H, Emilio MD, Baba A, Durrani TS, Amiri V, Aqeel A, Ijumulana J, Edokpayi JN, Schafer D, Razowska-Jaworek L, Alarcón-Herrera MT, Batdelger O, Goswami R, Farooqi A, Fabio AE, Recepoğlu YK, Paz-Montelongo S, Bhattacharya P.   +31 more
europepmc   +1 more source

Slip versus dilation tendency parameter space as a tool for prospecting structurally controlled geothermal systems in greenfield: insights from the greater Ruhr region

Deep Underground Science and Engineering, EarlyView.
This study highlights that with the static and time‐dependent evolution of slip versus dilation tendency parameter space, structurally controlled deep geothermal systems can be selected within areas of higher permeability and lower seismic hazard. Abstract Faults play a vital role in the Earth's hydraulic system by facilitating fluid flow when dilating
Michal Kruszewski, Alessandro Verdecchia, Oliver Heidbach, Rebecca M. Harrington, David Healy   +4 more
wiley   +1 more source

Synthetic capillary pressure modeling with dipole sonic waves for enhanced reservoir characterization. [PDF]

Sci Rep
Galarza-Alava J, Mendoza-Sanz J.
europepmc   +1 more source

An assessment of stress and production rate of sucker rod heat pipes in oil well pumping system

Deep Underground Science and Engineering, EarlyView.
The sucker rod pumping system is the preferred oil extraction technique. The concept about equipping the hollow vacuum space in solid sucker rods with heat pipe has been scrutinized in terms of stress and oil production evaluation. Abstract The implementation of the heat pipe concept in sucker rods for oil pumping systems negates the requirement for an
R. S. Anand, Ang Li, Wenbo Huang, Juanwen Chen, Qingshan Ma, Fangming Jiang   +5 more
wiley   +1 more source

Geochemistry and X-ray diffraction data from rock salts and saltwork wastes of Canada: data compilation. [PDF]

Data Brief
Yap CJ, Roland Marun M, Kabanov P, Dii Horne J, Giles P, Durling P, Brunton F, Toboła T, Kukiałka P, Johnson S.   +9 more
europepmc   +1 more source

Semi‐analytical solution for the stability of deep vertical shaft considering time‐dependent rock‐structure interaction

Deep Underground Science and Engineering, EarlyView.
A novel cavity contraction solution and multilayer shaft wall model were developed to analyze deep shaft stability, considering rock viscosity, support structures, and water pressure, with successful validation through a Hulusu Coal Mine case study.
Bin Chen, Pinqiang Mo, Zhao Lu, Lianfei Kuang, Qiang Zhang, Abolfazl Eslami   +5 more
wiley   +1 more source

Enhanced rock recognition via EVSS-integrated YOLO11: A deep learning approach for precise geological classification. [PDF]

PLoS One
Zhao F, Leng X, Zhu M, Luo S, Huang J.
europepmc   +1 more source

The Petrology of the Sedimentary Rocks [PDF]

Nature, 1938
openaire   +1 more source

Multiple injection techniques to stimulate complex fracture networks in coal reservoirs: A case study on gas disaster reduction of subsurface coal mine in southwest China

Deep Underground Science and Engineering, EarlyView.
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang, Farui Shi, Jun Lu, Minghui Li, Cunbao Li, Heping Xie   +5 more
wiley   +1 more source