Zobrazeno 1 - 10
of 206
pro vyhledávání: '"Jianwei, Cheng"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 7, Pp 39-50 (2024)
In order to explore the application effect of bentonite-based disaster control materials in different coal mine disaster scenarios, we modify and study gas borehole liquid sealing materials to realize full cycle thixotropic sealing of new fissures, c
Externí odkaz:
https://doaj.org/article/648ff23b70d84ae7a4d848e5f92589a3
Publikováno v:
Medžiagotyra (2024)
This paper systematically studies the compressive strength of recycled coarse aggregate concrete with different dosages of polypropylene fibers at high temperatures and the influence of polypropylene fibers on the bond performance between recycled co
Externí odkaz:
https://doaj.org/article/66d57fb3fb764f388af7872771f6e806
Publikováno v:
Water Supply, Vol 24, Iss 3, Pp 786-798 (2024)
The study objective is to analyze the water expenditure of 4315 rural households in the Karst region of China. The empirical results have been analyzed by using the extended linear expenditure system model. The study has been based on water expenditu
Externí odkaz:
https://doaj.org/article/db15569a207c42fbafa2b3882a945710
Publikováno v:
Humanities & Social Sciences Communications, Vol 11, Iss 1, Pp 1-18 (2024)
Abstract This study takes the Green Finance Pilot Zones (GFPZ) policy in China as a quasi-natural experiment and employs the synthetic control method to test the policy effect of GFPZ on ecosystem product value realization, using the province-level g
Externí odkaz:
https://doaj.org/article/7564ecc13ef54fbca83b856c9008385f
Publikováno v:
Journal of Isotopes, Vol 37, Iss 1, Pp 7-16 (2024)
In order to meet the needs of accurate traceability of dose monitoring instruments in domestic medical, security inspection and other pulse radiation places, a 50-120 kV millisecond pulse X-ray reference radiation field that meets the requirements of
Externí odkaz:
https://doaj.org/article/59a9e2e4e2bc4512ade5bf9ed6794a5d
Publikováno v:
Meikuang Anquan, Vol 54, Iss 11, Pp 62-68 (2023)
With the gradual increase of coal mining intensity, the production system is more prone to instability, and the occurrence probability and severity of five major coal mine disasters increase gradually. The effect of coal mine disaster control largely
Externí odkaz:
https://doaj.org/article/8ae7108a75324ce6a0622bbedb4f5ac7
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5864 (2024)
Particle damping technology is applied in vibration and noise reduction because of its good broadband vibration reduction effect. The energy transfer and loss between particles are keys to the role of damping. This paper investigates the relationship
Externí odkaz:
https://doaj.org/article/0bb192e0dbc446fc98f487f766db4079
Autor:
Jianwei Cheng, Na N. Guan
Publikováno v:
IBRO Neuroscience Reports, Vol 14, Iss , Pp 441-446 (2023)
Spinal cord injury (SCI) disrupts communication between the brain-derived descending commands and the intraspinal circuits, the central pattern generator (CPG), that execute movements. Dynamic changes in the interaction of the brain-spinal cord as we
Externí odkaz:
https://doaj.org/article/4bd4471001594bcf864bd74e607af51c
Autor:
Jianwei Cheng, Zhiyuan Ma, Yu Wang, Qiang Fu, Dezhi Ran, Yongzhen Ma, Chengtao Yang, Xincheng Hu, Tingxiang Chu
Publikováno v:
Heliyon, Vol 9, Iss 6, Pp e16603- (2023)
Gas extraction is an important way to solve coal mine gas in China. At present, the development of new and more efficient gas sealing materials is an urgent problem in China's coal mining industry. In order to improve the gas extraction efficiency an
Externí odkaz:
https://doaj.org/article/f92dca7e547643e6a9b39cd02e99b374
Publikováno v:
Frontiers in Public Health, Vol 11 (2023)
IntroductionWith rapid economic and social development, surging demand for domestic water, and the increasing shortage of water resources, the applications of intermittent water supply systems have become more common in rural China and other developi
Externí odkaz:
https://doaj.org/article/0917bfaf38764a109353077780db6c62