Results 161 to 170 of about 370,321 (357)

Pertambangan Batu Bara: Antara Mendulang Rupiah Dan Menebar Potensi Konflik [PDF]

, 2012
In East Kalimantan, mining sector contributes more than three quarter of the province's Gross Domestic Product. Given the high dependency on this sector, demand fl uctuation for mining products will have a signifi cant effect on the provincial economy ...
Siburian, R. (Robert)
core  

Researching Attitude–Identity Dynamics to Understand Social Conflict and Change

European Journal of Social Psychology, EarlyView.
Abstract Societies undergo constant change, manifested in various ways such as technological developments, economic transitions, reorganization of cultural values and beliefs, or changes in social structures. Individuals play an active role in shaping social and societal change by interactively negotiating its manifestation.
Adrian Lüders, Mike Quayle, Paul Maher, Ana‐Maria Bliuc, Pádraig MacCarron   +4 more
wiley   +1 more source

The responses of soil bacterial communities and enzyme activities to the edaphic properties of coal mining areas in Central China

, 2020
Jinhua Sun, Yang Liu, Jie Wei, Jine Quan, Xitian Yang   +4 more
openalex   +2 more sources

Coal mining regulations [PDF]

, 2009
Randy Showstack
openalex   +1 more source

Overview of hydrogen production processes: Health and environmental impact

Environmental Progress &Sustainable Energy, EarlyView.
Abstract Hydrogen is traditionally regarded as a cornerstone in the path to a sustainable energy economy. However, there are substantial differences in the inclusion of environmental and health effects across the hydrogen production pathways, due to different feedstocks, technologies, and byproduct emissions.
Kush Kumar Dewangan, Gokul Gopan, Satyajit Pattanayak   +2 more
wiley   +1 more source

Experimental Study on the Mechanical Properties of Metal Mesh in Mining Bolt Support Under Impact Load

Shock and Vibration
Metal mesh, as a critical component of the bolt support system, directly influences the effectiveness of roadway support. To reveal the dynamic mechanical properties of commonly used metal meshes in roadways subjected to rockburst conditions and to ...
Shuwen Wang, Baoyan Zhi, Yukai Fu, Guoqiang Yang, Zhongwei Li, Penghe Zhou   +5 more
doaj   +1 more source

Distributed Fiber Optic‐Based Monitoring and Analysis of Flexible Molded Concrete Piers for Coal Pillar Free Mining

Energy Science &Engineering, EarlyView.
Using the pillarless mining face at Zhaozhuang Coal Mine as a case study, the research objective is to accurately and comprehensively understand the stress distribution and its evolution characteristics in flexible concrete pillars along the hollow support pillars under the influence of secondary mining movements during pillarless coal mining ...
Yanhui Zhu, Ye Tian, Peilin Gong, Kang Yi, Tong Zhao   +4 more
wiley   +1 more source

Invisible contaminants and food security in former coal mining areas of Santa Catarina, southern Brazil [PDF]

, 2020
Graziela Dias Blanco, Rafael Barbizan Sühs, Escarlet Brizola, Patrícia Figueiredo Corrêa, Mari Lucia Campos, Natália Hanazaki   +5 more
openalex   +1 more source

Research on the Evolution Law of the Plastic Zone and Control Technologies for Surrounding Rock in Floor Roadway Influenced by Mining Activities

Energy Science &Engineering, EarlyView.
ABSTRACT This study addresses the challenges of deformation failure and the difficulty in controlling the surrounding rock in the 2453 floor roadway of a coal mine in Hunan Province, influenced by mining activities. Conducting an in‐depth investigation into the evolution law of the principal stress and stability control technologies for the surrounding
Shihai Shu, Weijun Wang, Yujie Ma, Chao Yuan, Xinyu Tian, Rongjie Du, Sha Ge   +6 more
wiley   +1 more source

Effects of coal strip mining on stream water quality and biology, southwestern Washington [PDF]

, 1987
L.A. Fuste, David F. Meyer
openalex   +1 more source