Results 101 to 110 of about 31,862 (304)

Characteristics of dust pollution and its influencing factors during cold period of open-pit coal mines in northern China

Frontiers in Earth Science
IntroductionWinter dust pollution in China’s northern open-pit coal mines is serious, and the prevention and control of winter dust pollution is one of the important problems in the construction of green mines in northern open-pit coal mines.MethodsIn ...
Heng Wang, Zhiming Wang, Zhiming Wang, Ruixin Wang, Ruixin Wang   +4 more
doaj   +1 more source

Histological Characterization and Comparative Transcriptomic Analysis of Gonads During Early Sex Differentiation in the Northern Snakehead (Channa argus)

Animal Research and One Health, EarlyView.
This study delineates the early sex differentiation timeline in the northern snakehead (Channa argus). These findings provide a foundation for future sex‐control breeding in this economically important species. ABSTRACT The northern snakehead (Channa argus) is an economically important aquaculture species in China.
Chaonan Sun, Donglei Sun, Haishen Wen, Xin Qi, Chao Li, Xiaoyan Zhang, Yun Li   +6 more
wiley   +1 more source

Vegetation dynamics and dominant driving factors in a semi-arid coal mining area under a disturbance–restoration zoning framework

Geocarto International
Understanding vegetation dynamics in arid mining ecosystems remains limited, despite the extensive disturbances imposed by mining activities. Integrating remote sensing and field observations, we applied the Mann–Kendall test, Theil–Sen slope, the ...
Li Yuanyuan, Shaogang Lei, Zhao Yibo, Cao Ruochen, Josep Penuelas   +4 more
doaj   +1 more source

PHOTOGRAMMETRIC SURVEY OF OPEN PIT MINE

BOOK OF PROCEEDINGS XIII (2018), 2017
<p>There is a geodetic department in Ugljevik Coal Mine. In addition to all tasks(expropriation, geometry control of existing engineering objects, monitoring oflandslides, etc.), the primary task of the geodetic service is to calculate the volume of theexcavated masses on a surface mine during a certain period of time.
Miodrag Regodić, Dragan Macanović, Mladen Đurić, Nemanja Abadžić   +3 more
openaire   +2 more sources

Hull-Rust Mine, explosives car for use in open-cut

, 2022
Date scanned: 2002-6-21.O-81; Explosives car for use in open-cut. (Note emergency brake valve on platform, and safety coupling chains.) Hull-Rust Mine, Oliver Iron Mining Company, Hibbing, Minnesota (Hibbing-Chisholm District) - M. S.
Petersen, Max S.
core  

‘Sometimes, I would look at my books and cry because I felt like I was left behind’: Understanding the learning of Indigenous girls during the COVID‐19 pandemic in the districts of Chongwe and Solwezi in Zambia

British Educational Research Journal, EarlyView.
Abstract Grounded in principles of epistemic justice, this article examines the educational impacts of Zambia's COVID‐19 school closures on Indigenous girls in two districts and highlights community‐led pathways for resilience. National responses prioritised broadcast and digital delivery but presupposed access to electricity, digital devices and ...
Marcellus Forh Mbah, Leigh Jarvis, Ane Turner Johnson, Chidi Ezegwu, Priscillah Nsama, Austine Nakanga   +5 more
wiley   +1 more source

Study on Dust Hazard Levels and Dust Suppression Technologies in Cabins of Typical Mining Equipment in Large Open-Pit Coal Mines in China

Atmosphere
As the world’s largest open-pit coal producer, China faces severe dust pollution in mining operations. Cabins of mining equipment (electric shovels, haul trucks, drills) exhibit unique micro-environmental contamination due to dual-source pollution ...
Xiaoliang Jiao, Wei Zhou, Junpeng Zhu, Xinlu Zhao, Junlong Yan, Ruixin Wang, Yaning Li, Xiang Lu   +7 more
doaj   +1 more source

Ethics, society, and technology: a Confucian role ethics perspective (handout)

, 2022
This handout provides a brief introductory overview of Confucian ethics. This work is part of a learning module on Confucian ethics, society, and technology.
Zhu, Qin
core  

Issue Construals and Corporate Water Stewardship

Business Strategy and the Environment, EarlyView.
ABSTRACT In the face of mounting environmental and social pressures, the importance of responsible corporate water stewardship (CWS) should be evident, yet not all businesses are taking water management issues seriously. The aim of this study is to explore why differences in CWS persist, especially within industries facing similar resource challenges ...
Daina Mazutis, Mohamed Chelli, Sharon OSullivan, Katherine Hanly   +3 more
wiley   +1 more source

Influence of Recirculation Flow on the Dispersion Pattern of Blasting Dust in Deep Open-Pit Mines. [PDF]

ACS Omega, 2023
Chen Z, Du C, Wang J, Wang Y.
europepmc   +1 more source