Zobrazeno 1 - 10
of 209
pro vyhledávání: '"Jianwei, Cheng"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-23 (2024)
Abstract The extraction of coal seams from subterranean strata has the potential to induce displacement and deformation within the overlying strata. This leads to fractures in the strata and surface subsidence. The repetitive mining of coal seams, es
Externí odkaz:
https://doaj.org/article/81cf363ee09e4d86ac239069fd794082
Publikováno v:
Medžiagotyra, Vol 30, Iss 4, Pp 526-532 (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:
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
Autor:
Yadong Wang, Jianwei Cheng, Siguleng Wuji, Haoxin Li, Yanan Wang, Jingpeng Guo, Xinmin Liu, Frank Yonghong Li
Publikováno v:
Ecological Indicators, Vol 167, Iss , Pp 112733- (2024)
The arthropod communities are important component in grassland ecosystems and are largely affected by management. However, the information on the effects of different grassland management on ground-dwelling predatory arthropods are very limited, espe
Externí odkaz:
https://doaj.org/article/e2ef667b838a45a790a7762a3fd57234
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
Autor:
Jun Deng, Zhicheng Xie, Hao Ge, Xiaoqiang Xue, Chunjia Gao, Jianwei Cheng, Haibin Zhou, Zhicheng Pan, Gang Lyu, Heng Wu
Publikováno v:
Energies, Vol 17, Iss 21, p 5338 (2024)
The influence of carrier mobility on the space charge transport behavior inside the oil-impregnated pressboard insulation of converter transformers cannot be neglected. However, at present, current knowledge is usually derived from empirical or theor
Externí odkaz:
https://doaj.org/article/88c6eeb73b874ca9b8b935d300d275fd
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