Zobrazeno 1 - 10
of 1 057
pro vyhledávání: '"Lijuan ZHAO"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract To ensure that the discrete element model of the coal wall accurately reflects the actual cutting process of coal and rock during virtual prototype simulation of mining equipment, this study aims to expedite the development of intelligent mi
Externí odkaz:
https://doaj.org/article/d1541d5aed644396bfac3b638e78402d
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract To analyze the prevalence and influencing factors of myopia among children and adolescents in Hangzhou city, and provide ideas for the formulation of myopia prevention and control measures. A cross-sectional school-based study using stratifi
Externí odkaz:
https://doaj.org/article/0c048e17460048d9b3fb54e3f142dee1
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract This paper primarily explores the modeling method of n-level complex helical structures with coal mining machine cables as the research object. The paper first elaborately introduces the modeling method of n-level helix curves based on param
Externí odkaz:
https://doaj.org/article/15640e5da6294c47b7f2830e8e0d7380
Autor:
Haixia Zhao, Siyi Zhao, Yingping Cao, Xiping Jiang, Lijuan Zhao, Zhimeng Li, Mengqi Wang, Ruijuan Yang, Chuanen Zhou, Zhaoming Wang, Feng Yuan, Dongmei Ma, Hao Lin, Wenwen Liu, Chunxiang Fu
Publikováno v:
Crop Journal, Vol 12, Iss 3, Pp 788-795 (2024)
Alfalfa (Medicago sativa. L.) is a globally significant autotetraploid legume forage crop. However, despite its importance, establishing efficient gene editing systems for cultivated alfalfa remains a formidable challenge. In this study, we pioneered
Externí odkaz:
https://doaj.org/article/62b2eb4cfcd44e258d013f58a18d25ad
Autor:
Jinkai Zhang, Song Huang, Jiaxiang Li, Lingjuan Liao, Xiaolong Jiang, Yongfu Xu, Xunlin Yu, Lei Wu, Lijuan Zhao, Jin Fu, Yun Yang, Chunhua Chen
Publikováno v:
Ecology and Evolution, Vol 14, Iss 9, Pp n/a-n/a (2024)
Abstract Understanding the impact of climate change on the geographical distribution of species is a fundamental requirement for biodiversity conservation and resource management. Quercus oxyphylla, an evergreen oak endemic to China, plays a crucial
Externí odkaz:
https://doaj.org/article/b0d38427fa0447f780c3085bfb4d2c22
Publikováno v:
Resources, Environment and Sustainability, Vol 17, Iss , Pp 100167- (2024)
Pyrolysis technology is a green and efficient method for recycling enameled wires. However, since waste enameled wires are typically recovered from electronic waste, they often contain small amounts of wires and cables. Therefore, during the pyrolysi
Externí odkaz:
https://doaj.org/article/cb92b7bd947f4872a54deeb56971005b
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-26 (2024)
Abstract The cutting and crushing of coal and rock containing gangue is the result of the coupling effect of multiple factors. The geometric parameters of the working mechanism, the kinematic parameters of the shearer, and the physical and mechanical
Externí odkaz:
https://doaj.org/article/b4ed112ab7dc45ea96f47829681339fc
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 3, Pp 200-216 (2024)
In order to study the vibration characteristics of shearer’s spiral drum under various occurrence conditions，the coal-rock contact model was optimized by taking the MG2×55/250–BWD thin seam shearer as the engineering object, and discrete eleme
Externí odkaz:
https://doaj.org/article/cc59602e1dd942549ad642b685a5380e
Publikováno v:
Heliyon, Vol 10, Iss 16, Pp e36061- (2024)
Patients with spinal cord injury (SCI) often suffer from varying degrees of neuropathic pain.Non-invasive repetitive transcranial magnetic stimulation (TMS) has been shown to improve neuropathic pain, while the appropriate intervention strategies of
Externí odkaz:
https://doaj.org/article/6cbef69b5f7c4830b9f503ad05650380
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Coal mining machine drums are prone to damage and malfunction under extremely complex working conditions, which seriously affects the efficiency and safety of coal production. In this paper, based on the theory of coal rock cutting and virtu
Externí odkaz:
https://doaj.org/article/ee286fcaba464a2bad474b700b704cd8