Results 151 to 160 of about 34,263 (308)

Century‐Scale Changes in the Feeding Patterns of Demersal Fish Species in the Western North Sea

Fish and Fisheries, EarlyView.
ABSTRACT Understanding the extent and magnitude of change in marine food webs requires historical data that predates modern monitoring efforts. Such information can provide invaluable insights into the longer‐term impacts of altered trophic interactions, yet it is rarely incorporated into marine policy frameworks.
Georgina L. Hunt, Nicholas V. C. Polunin, Georg H. Engelhard, Ben D. Wigham, John K. Pinnegar   +4 more
wiley   +1 more source

Research on dust control technology and numerical simulation of conical guiding air curtain in fully mechanized excavation face

Scientific Reports
The dust pollution caused by the operation of fully mechanized heading face poses a serious threat to the safety production of operators and working face. To reduce dust concentration at the fully mechanized heading face, this study analyzed dust samples
Xin Meng, Qiqiang Gao, Jie Li, Guoan Zhao   +3 more
doaj   +1 more source

Research on the Mechanism and Control of Spalling on 8 m Fully Mechanized Mining Face in Huoxi Coalfield

Applied Sciences
The great success of fully mechanized mining with a large mining height of 8 m and above in Mongolia and Shaanxi proves the feasibility of this technology. Although fully mechanized mining with a large mining height significantly increases the production
Lin Meng, Mei Wang, Chenlong Wang, Yongkang Yang   +3 more
doaj   +1 more source

Optimal measures for gas control on fully mechanized working face of close-distance coal seam group

, 2021
XUE Yanping
openalex   +2 more sources

Hybrid sorghum breeding in China: A historical review and perspectives

Journal of Integrative Plant Biology, EarlyView.
To commemorate the 60th anniversary of the promotion and application of three‐line hybrid sorghum in China, this review highlights pivotal scientific breakthroughs, systematically summarizes the progress in hybrid sorghum breeding and dwarf sorghum breeding in the country, and presents an outlook on the future of sorghum breeding.
Xiangxiang Meng, Lu Li, Qian Qian, Liang Jiang, Zhaosheng Kong   +4 more
wiley   +1 more source

IMPACT: The Journal of the Center for Interdisciplinary Teaching and Learning. Volume 1, Issue 1, Summer 2012 [PDF]

, 2002
Impact: The Journal of the Center for Interdisciplinary Teaching & Learning is a peer-reviewed, biannual online journal that publishes scholarly and creative non-fiction essays about the theory, practice and assessment of interdisciplinary education ...
Dubois, Patrick
core  

Design of automatic monitoring and control device for double-gear roller crusher in fully mechanized working face

, 2019
ZHU Jianfei, LEI Zhipeng, REN Xiyi, TIAN Muqin, SONG Jiancheng, MEN Rujia, XU Chunyu   +6 more
openalex   +2 more sources

From observation to understanding: A multi‐agent framework for smart microscopy

Journal of Microscopy, EarlyView.
Abstract Smart microscopy represents a paradigm shift in biological imaging, moving from passive observation tools to active collaborators in scientific inquiry. Enabled by advances in automation, computational power, and artificial intelligence, these systems are now capable of adaptive decision‐making and real‐time experimental control.
P. S. Kesavan, Pontus Nordenfelt
wiley   +1 more source

When Economic Reform Goes Wrong: Cashews in Mozambique [PDF]

Mozambique liberalized its cashew sector in the early 1990s in response to pressure from the World Bank. Opponents of the reform have argued that the policy did little to benefit poor cashew farmers while bankrupting factories in urban areas.
Dani Rodrik, Karen Horn Welch, Margaret McMillan   +2 more
core  

Time-Bound Labor Access to the United States: A Four-Way Win for the Middle Class, Low-Skill Workers, Border Security, and Migrants [PDF]

, 2013
The US economy needs low-skill workers now more than ever, and that requires a legal channel for the large-scale, employment-based entry of low-skill workers.
Lant Pritchett, Michael A. Clemens
core