Results 51 to 60 of about 783,769 (161)
The speed-regulating magnetic coupler faces challenges in mechanism modeling for constant-torque-load soft start and multi-motor power balance. Moreover, system data contain singular noise values.
Yuqin Zhu +4 more
doaj +1 more source
Study on unmanned mining technology of fully mechanized coal mining face
The paper analyzed present situation of development of fully mechanized coal mining face, including application situation and existing problems of technologies of memory coal cutting, hydraulic support automation, coal and rock identification and so on ...
SUO Zhiwe
doaj +1 more source
The Cattle Egret (Bubulcus ibis) occupies a wide range of natural and human‐modified habitats, yet research effort across its range is highly uneven. Our systematic review of 173 studies synthesises patterns in population trends, habitat use, breeding ecology, threats and ecosystem services, revealing strong geographic and thematic biases in available ...
Bhekinkosi Sibanda +2 more
wiley +1 more source
The pore structure of coal serves as the primary domain for gas adsorption and migration. Studying the pore structure characteristics holds significant implications for gas disaster prevention and control.
Anying Yuan +3 more
doaj +1 more source
Forecasting and exploring innovation pathways for generic technologies in the coal industry
As a foundational technological bedrock spanning the entire coal industry chain, from mining and processing to utilization-common coal technologies represent fundamental, versatile core technologies that underpin the industrial upgrading and high-quality
Guofa WANG +8 more
doaj +1 more source
Applied Numerical Modelling of Landscape Evolution in Anthropogenic Landscapes: A Systematic Review
This systematic review examines how landscape evolution models have been applied to analyse long‐term change in anthropogenic landscapes. The review evaluates modelling approaches, applications, limitations and key knowledge gaps to assess the potential of these models for long‐term landscape and risk management.
Vinuri Piyathilake +2 more
wiley +1 more source
To explore the energy dissipation and fragmentation characteristics of gas-bearing coal under combined dynamic and static load, the impact experiment of gas-bearing coal under different impact velocities and axial compressive stress ratios was carried ...
Huaiqian LIU +6 more
doaj +1 more source
The paper introduced research development and actual application status of automation control technology for fully mechanized working face at home and abroad, indicated development tendency of automation control technology for fully mechanized working ...
HUANG Zeng-hua
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ABSTRACT Rising global temperatures increasingly threaten bean production and the food security of millions of people who depend on these protein‐rich legumes. Heat stress during the reproductive stages induces pollen sterility, flower abscission, and disruptions in source–sink relationships, resulting in yield losses of 30%–40% or more when critical ...
Aastha Sharda +9 more
wiley +1 more source
Intelligent Mining Technology for an Underground Metal Mine Based on Unmanned Equipment
This article analyzes the current research status and development trend of intelligent technologies for underground metal mines in China, where such technologies are under development for use to develop mineral resources in a safe, efficient, and ...
Jian-guo Li, Kai Zhan
doaj +1 more source

