Results 91 to 100 of about 34,337 (295)
Agrarian structure in Poland : the myth of large-farm superiority [PDF]
In Poland, present policies are aimed at promoting large, mechanized farms over smaller family farms. These policies are based on the perception that large farms offer real economies of scale.
Miller, Bill R. +2 more
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Dangerous calling, the life-and-death matter of safety at sea: a collection of articles from SAMUDRA Report [PDF]
, 2003 Fishing is arguably the world's most dangerous vocation, reporting the highest rate of occupational fatalities among industries, made only worse by declining fish prices, overfished waters and shortened fishing seasons.
core
Air Stability of Sulfide Solid Electrolytes: From Theoretical Insights to Practical Solutions
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This paper reviews research progress on the air stability of SSEs, covering their instability mechanisms and modification strategies, while outlining core challenges and future directions for practical applications. Sulfide solid electrolytes are pivotal for enabling high‐performance all‐solid‐state batteries due to their high ionic conductivity and ...
Hongbing Ding +10 more
wiley +1 more source
Environmental Policy and Governance, EarlyView.ABSTRACT Despite South Korea's extensive forest coverage, which accounts for approximately 63% of its total land area, the country imports over 83% of its timber needs and has shown a gradual decline in forest carbon sequestration capacity. The Circular Forest Management Policy (CFMP) addresses these challenges through systematic forest resource ...
Seoryeon Son +4 more
wiley +1 more source
Real-time 3D mapping method of fully mechanized working face based on laser SLAM
Gong-kuang zidonghua, 2022 The mobile mapping method relies on fiber optic inertial navigation with high precision and odometer to calculate the position and attitude. But in the actual engineering practice, the precision of odometer is difficult to meet the application requirements, resulting in incomplete 3D laser point cloud of working face.
QI Yuhao, GUAN Shiyuan
openaire +1 more source
Energy Science &Engineering, EarlyView.Interpretable tree‐based models integrate microseismic, geological, and mining indicators to predict short‐term rockburst risk. SHAP analysis reveals the dominant role of energy‐related features and clarifies nonlinear factor interactions, enabling transparent and reliable early‐warning in deep coal mines.
Shuai Chen +4 more
wiley +1 more source
RESEARCH OF THE APPLICATION OF COMBINED ANCHOR SYSTEMS FOR THE MAINTENANCE OF RE-USED MINING WORKINGS [PDF]
, 2018 Study the possibility of developing the technical and technological justification of combined anchor systems for the maintenance of re-used mining workings in economic effective ...
BONDARENKO, Volodymyr +9 more
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Native grass breeding: Priority needs and strategic approaches
Grassland Research, EarlyView.The key needs and breeding strategies of native grass. Abstract Native grasses possess extensive ecological adaptability, such as cold, drought, and salt tolerance, and tolerance to poor soil conditions. They play a crucial role in ensuring food security and ecological security.
Xueming Dong, Wenxian Liu, Zhipeng Liu
wiley +1 more source
Review of automation technology for fully mechanized coal face of thin seam
Gong-kuang zidonghua, 2013 The paper analyzed development status of automation technology for fully mechanized coal face of thin seam at home and abroad, introduced structure of automation system of fully mechanized coal face of thin seam, and automation control technology for ...
YU Yue-sen +4 more
doaj
Gong-kuang zidonghuaThe equipment for coal mine fully mechanized working faces comes from different manufacturers, with inconsistent interfaces, different data systems and business logic, resulting in data barriers and slow data exchange between systems.
PAN Wenlong +5 more
doaj +1 more source