Results 121 to 130 of about 83,956 (298)

Experimental study of shear failure and crack propagation in water‐bearing coal samples

open access: yesEnergy Science & Engineering, 2019
The design of dam bodies for underground reservoirs must account for how water affects shear failure and the evolution of fractures in coal pillars. In this work, we detect acoustic emissions in raw coal samples with different water content (0%, 5.35 ...
Chuanjin Tang   +4 more
doaj   +1 more source

The Allocation of Water Resources in the Bogotá Savanna Region: Case Study. [PDF]

open access: yes
The Bogotá Savanna is a fertile Andean plateau located in the central region of Colombia. It is an important agricultural region, and the most industrialized and densely populated area of the country. In this region, human consumption demands most of the
Eduardo Uribe
core  

U and Th content in the Central Apennines continental crust: a contribution to the determination of the geo-neutrinos flux at LNGS

open access: yes, 2011
The regional contribution to the geo-neutrino signal at Gran Sasso National Laboratory (LNGS) was determined based on a detailed geological, geochemical and geophysical study of the region.
A. Riva   +115 more
core   +1 more source

FINANCIALIZED GREEN STATE ENTREPRENEURIALISM AND THE URBANIZATION OF MOUNTAINS: Chongli’s Consumption‐based Territorial Business Model for the 2022 Beijing Winter Olympics

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract This article develops the concept of a territorial business model (TBM) to renew the analysis of the production of the urban built environment beyond established urban cores. Based on the case of Chongli, a site for the 2022 Beijing Winter Olympics, this article provides a double decentering of the ways in which a mountain region was urbanized
Thierry Theurillat, Mengke Zhang
wiley   +1 more source

Performance Evaluation of Heat Storage in a Full Operation Cycle of Cross-Seasonal Thermal Energy Storage Systems in Coal Mine Underground Reservoirs

open access: yesApplied Sciences
Coal mining has generated a large amount of underground space, which has traditionally been reused mostly as mine wastewater storage. Given the excellent thermal insulation properties of these mine reservoirs, their potential for seasonal energy storage ...
Wenying Tang   +7 more
doaj   +1 more source

(2008) Wellhead Protection Program - Lary Lane, Gilman, and Stadium Wells in the Town of Exeter, NH [PDF]

open access: yes, 2008
A Wellhead Protection Program (WHPP) identifies existing and potential sources of contamination to public water supply wells. The purpose of a WHPP is to prevent contamination of groundwater used for drinking water, recognizing the best way to maintain ...
Wellhead Protection Program
core   +2 more sources

Geodetic Measurements of Underground Gas Reservoirs

open access: yesActa Montanistica Slovaca, 2011
The size of expected deformations of underground gas reservoirs may be dependent on the volume of gas fullness. Accordingto the proportional gas volume in both of measured gas reservoirs, the technology of geodetic measurements was taken out. Spatialdisplacements were observed by the method of vertical line, with EDM and vertical movements of monitored
Jaroslav Šíma   +2 more
openaire   +1 more source

Brittle Structural Control and Fluid Progress of the Jinqingding Gold Deposit: Implications for Epizonal Gold Mineralization

open access: yesActa Geologica Sinica - English Edition, EarlyView.
ABSTRACT The Jinqingding gold deposit in eastern Jiaodong is a significant gold mineralization within the Muping–Rushan metallogenic belt. This study integrates structural analysis and trace element geochemistry of sulphides to elucidate ore‐controlling mechanisms and metallogenic models.
Xiaohu Wang   +10 more
wiley   +1 more source

Mechanical characteristics of coal under differential cyclic loading after dry-wet cyclic treatment

open access: yesGong-kuang zidonghua
In underground coal mine reservoirs, coal pillar dams are subjected to dynamic dry-wet environmental disturbances. Studying the mechanical characteristics of coal solely under dry-wet cycling or cyclic loading and unloading conditions is not ...
LIU Huafeng
doaj   +1 more source

neonSoilFlux: An R package for continuous sensor‐based estimation of soil CO2 fluxes

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Accurate quantification of soil carbon fluxes is essential to reduce uncertainty in estimates of the terrestrial carbon sink. However, these fluxes vary over time and across ecosystem types and so, it can be difficult to estimate them accurately across large scales.
John Zobitz   +11 more
wiley   +1 more source

Home - About - Disclaimer - Privacy