Results 51 to 60 of about 792 (177)
Numerical analysis on migration of shearer-generated dust in mechanized coal mining workface
, 2021 The operating environment is polluted so seriously by shearer-generated dust that the shearer operators are one of most susceptible workers of coal pneumoconiosis in the mechanized coal mining workface of underground coal mines.
REN Zhifeng +4 more
core +1 more source
The Economic History Review, EarlyView.Abstract Housework is central to feminist calls for recognition of women's work, economic histories explaining the sexual division of labour, and claims regarding the progressive role of scientific knowledge. Yet little is known about the time it actually took. We address this lacuna.
Sara Horrell, Jane Humphries
wiley +1 more source
, 2021 In order to study the technical problems in the mining of irregular working face and the law of underground pressure in the mining process, take the 81308 fully mechanized caving face of Baode Coal Mine as the background, this paper uses theoretical ...
YANG Xiaodong, LI Cunzhou
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Structure Optimization and Signal Enhancement of Three Coil Electromagnetic Abrasive Particle Sensor
Taiyuan Ligong Daxue xuebaoPurposes In order to improve the detection accuracy of electromagnetic abrasive particles on small particles, the influencing factors of the induced signal of one-excitation, two-in-ductive three-coil electromagnetic abrasive sensor are studied, and ...
WANG Yuewei +6 more
doaj +1 more source
American Journal of Industrial Medicine, Volume 69, Issue 7, Page 540-547, July 2026.ABSTRACT Background Mining workers are exposed to a range of respiratory hazards, including respirable dust. While exposure to respirable crystalline silica in the mining industry has been found to be common, less is known about trends in measured levels of exposure to respirable dust overall.
Renee N. Carey +4 more
wiley +1 more source
Coordinated Speed Control Strategy for Minimizing Energy Consumption of a Shearer in Fully Mechanized Mining [PDF]
, 2021 As one of the major pieces of equipment in fully mechanized coal mining, the drum shearer plays a critical role in improving the efficiency and energy utilization in the coal mining production process.
Dilei Chen +3 more
core +1 more source
Intelligent Fault Diagnosis of Rolling Bearing Based on the Depth Feature Fusion Network
IEEE AccessAn intelligent fault diagnosis method of rolling bearings based on a depth feature fusion network was proposed to solve the problems of a single original signal, large noise interference and difficult diagnosis of varying working conditions of rolling ...
Zihan Feng +4 more
doaj +1 more source
Do robots boost productivity? A quantitative meta‐study
Journal of Economic Surveys, Volume 40, Issue 3, Page 1531-1571, July 2026.ABSTRACT This meta‐study analyzes the productivity effects of industrial robots. More than 1800 estimates from 85 primary studies are collected. The meta‐analytic evidence suggests that robotization has so far provided, at best, a small boost to productivity. There is strong evidence of publication bias in the positive direction.
Florian Schneider
wiley +1 more source
Meitan kexue jishu, 2023 Steeply dipping seam is still internationally recognized as a complex and difficult coal seam. There are many and extensive coal seams in China with excellent coal quality.
Dongfeng YUN +4 more
doaj +1 more source
Water and Artisanal and Small‐Scale Gold Mining: A Review of the Literature
WIREs Water, Volume 13, Issue 3, May/June 2026.This paper reviews the relationships between artisanal and small‐scale gold mining (ASGM) and water. We show the variegated impacts ASGM has on water and, thus, socio‐ecological systems and health. We conclude by identifying gaps in the scholarship.
Heidi Hausermann +3 more
wiley +1 more source