Zobrazeno 1 - 10
of 567
pro vyhledávání: '"QIFENG ZHANG"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 10, Pp 181-188 (2024)
The tilted angle of the coal seam leads to the tilted base of the discharge field in the corresponding area, causing the stability of the inner dump to be reduced and prone to sliding. In order to investigate the application effect and mechanism of a
Externí odkaz:
https://doaj.org/article/e4fbccee56ad44f492c644b42f56ea68
Publikováno v:
CT Lilun yu yingyong yanjiu, Vol 33, Iss 5, Pp 633-639 (2024)
Objective: This article aimed to analyze the computed tomography (CT) imaging manifestations and clinical significance of scimitar syndrome to improve our understanding of the disease. Method: A total of 28 patients diagnosed with scimitar syndrome w
Externí odkaz:
https://doaj.org/article/ecd622c284a948e19d3a97e15f54e2d7
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 345-353 (2024)
Xinjiang has huge reserves of coal resources and has the conditions and advantages to develop and construct large-scale open-pit coal mines. However, due to the climate characteristics of Xinjiang’s arid areas, open-pit mining has a wide range and
Externí odkaz:
https://doaj.org/article/aeb887af97b142208a516298988aa20f
Publikováno v:
Agriculture, Vol 14, Iss 7, p 1179 (2024)
To design a high-performance stubble-breaking device, studying the interaction mechanisms between blades and root–soil composites is urgent. A simplified experimental method was proposed to investigate the cutting process and the effects of key fac
Externí odkaz:
https://doaj.org/article/ca962f3518cf4a8c86649aa2779abe9f
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract A recent surge of patent applications among public hospitals in China has aroused significant research interest. A country’s healthcare innovation capacity can be measured by its number of patents. This paper explores the link between the
Externí odkaz:
https://doaj.org/article/a9a0b02c1e344a9883da66364583afee
Publikováno v:
Advanced Membranes, Vol 4, Iss , Pp 100098- (2024)
Organic solvent nanofiltration (OSN) is an emerging energy-efficient separations technology, which urgently requires easily processable OSN membranes with high selectivity and broad-spectrum organic solvent applicability to facilitate enhanced indust
Externí odkaz:
https://doaj.org/article/2aff44a537a24b2e910af444a5980eb9
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 5, p 734 (2024)
Currently, for underwater close-range large-target localization, visual localization techniques fail since large targets completely occupy the camera’s field of view at ultraclose ranges. To address the issue, a multi-stage optical localization met
Externí odkaz:
https://doaj.org/article/5084ad7ac3924c1e80b6ce5c20f97e5f
Autor:
Liyan Mo, Daohui Zhang, Xin Fu, Jiansong Dou, Kai Li, Li Bai, Yunfei Bai, Qifeng Zhang, Xingang Zhao
Publikováno v:
Advanced Intelligent Systems, Vol 5, Iss 10, Pp n/a-n/a (2023)
As a friendly tool, the soft gripper can be used directly for grasping vulnerable objects in underwater environments. These tasks are generally performed by teleoperation based on the visual feedback, rather than the soft actuators’ sensing informa
Externí odkaz:
https://doaj.org/article/f70b199b48fd4c319eb615809437f062
Tribological and mechanical behaviours of resin‐based friction materials based on microcrack filling
Autor:
Lekai Li, Guixiong Gao, Jin Tong, Jian Zhuang, Wei Song, Yunhai Ma, Guoqin Liu, Feipeng Cao, Shengwang Yuan, Qifeng Zhang
Publikováno v:
Biosurface and Biotribology, Vol 9, Iss 1, Pp 1-8 (2023)
Abstract To enhance the friction performance of resin‐based friction materials, five types of specimens with different polymer ether ketone (PEEK) contents were fabricated and their physiomechanical behaviours were tested and, their tribological pr
Externí odkaz:
https://doaj.org/article/e48db06b5e204b4aaa7a9cf0124fd7a1
Publikováno v:
CT Lilun yu yingyong yanjiu, Vol 31, Iss 4, Pp 505-515 (2022)
Lymphangiodysplasia is a common vascular disease in children. This paper summarizes the imaging characteristics, anatomical basis and pathophysiological mechanism of lymphatic reflux disorder, lymphangiodilation, lymphangiopathy and lymphangiomatosis
Externí odkaz:
https://doaj.org/article/cc7d59e818194759bf0a19761e705af0