Results 11 to 20 of about 104,435 (265)

Miner studies and radiological protection against radon [PDF]

open access: yesAnnals of the ICRP, 2020
Fundamental estimates of radon-associated health risk have been provided by epidemiological studies of miners. In total, approximately 15 studies have been conducted worldwide since the 1960s. These results have contributed directly to radiological protection against radon.
D, Laurier   +3 more
openaire   +2 more sources

A novel conceptual framework to identify the mineral laws in Iran: A real-case application of fuzzy TOPSIS method [PDF]

open access: yesDecision Science Letters, 2021
Due to the important environmental effects on human life and the conflict between the mining process and environmental factors, the enactment of protectionist environmental laws in the mineral industry has received extensive attention especially in ...
Ghazanfari, Mehdi, Hashempour, Morteza
doaj   +1 more source

Designing the half-masks of filter respirators for workers of mining enterprises [PDF]

open access: yesE3S Web of Conferences, 2019
The purpose of paper is to develop an algorithm for designing the half-masks of air-purifying respirators and assessment of their safety factor of insulation. To create a 3D model of a head, two-parameter NIOSH tables (National Institute for Occupational
Holinko Vasyl   +3 more
doaj   +1 more source

Experimental study on mechanical and acoustic emission characteristics of sedimentary sandstone under different loading rates

open access: yesFrontiers in Earth Science, 2023
In the field of rock engineering, complexity of stress environment is an important factor affecting its stability. Thus, in view of fracture mechanism of rock under different loading rates within the scope of quasi-static strain rate, four groups of ...
Nianchun Li   +13 more
doaj   +1 more source

New freshwater plesiosaurian materials from the Middle Jurassic Xintiangou Formation of the Sichuan Basin, southwestern China

open access: yesJournal of Palaeogeography, 2020
Sichuan Basin is very famous for the Mesozoic reptiles, especially the Jurassic dinosaurs. Here, we report some isolated plesiosaurian teeth and vertebrae newly excavated from the Middle Jurassic Xintiangou Formation in Yunyang county, Chongqing City ...
Feng Zhang   +5 more
doaj   +1 more source

The assessing of the quality of geothermal reservoirs on the example of the Lower Triassic aquifer in the Mogilno-Łódź Trough (Polish Lowlands) [PDF]

open access: yesE3S Web of Conferences, 2020
Petrographic and petrophysical investigations of the aquifers allow to estimate their productivity and infectivity, as well as allow for better recognition of the origin of the chemical composition of geothermal waters.
Kasztelewicz Aleksandra   +1 more
doaj   +1 more source

Development of resource-saving technology when mining ore bodies by blocks under rock pressure [PDF]

open access: yesE3S Web of Conferences, 2020
The article aims to develop the resource-saving technology when mining steep ore bodies applying 250 mm-diameter boreholes to break ore into the compressed environment. This will reduce dilution of the mined ore mass in conditions of rock pressure around
Pysmenniy Serhii   +4 more
doaj   +1 more source

Prospects for the application of geothermal resources in agriculture in Poland taking account of the natural functions of the countryside

open access: yesGeothermal Energy, 2021
Agriculture is among the most promising applications of geothermal energy, and Poland has conditions to develop geothermal use in this sector. Suitable locations for agricultural geothermal installations shall be selected during the planning stage.
Robert Skrzypczak   +3 more
doaj   +1 more source

Reconstruction of geothermal boreholes in Poland

open access: yesGeothermal Energy, 2020
The beginnings of geothermal implementation research in Poland date back to 1989–1993 when the Mineral and Energy Economy Research Institute of the Polish Academy of Sciences (MEERI PAS) launched the first geothermal installation in the Podhale region ...
Wiesław Bujakowski   +3 more
doaj   +1 more source

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