Zobrazeno 1 - 10
of 15 729
pro vyhledávání: '"Ma Jian"'
Publikováno v:
Guoji Yanke Zazhi, Vol 24, Iss 12, Pp 1851-1862 (2024)
This consensus document aims to define a standardized protocol for visual function and imaging examinations preceding vitreoretinal surgery. Preoperative examination can significantly aid physicians in defining surgical indications, evaluating patien
Externí odkaz:
https://doaj.org/article/07a0f7c3da944132981cbc99eb52ec3b
Publikováno v:
电力工程技术, Vol 43, Iss 4, Pp 104-115 (2024)
Permanent magnet synchronous motors (PMSMs) are widely utilized in the field of manufacturing and production due to their notable advantages such as simple structure, stable operation, high efficiency, and diverse configurations. Operating under cond
Externí odkaz:
https://doaj.org/article/da34e3f3fa5f4cee9c686b88598e6eff
Publikováno v:
Cailiao gongcheng, Vol 51, Iss 9, Pp 176-182 (2023)
Optimizing insulation technique plays a vital role in developing high performance magnetic powder core. Uniform dense titanium dioxide insulation layer was successfully coated on atomized Fe-Si-Al powder through hydrolysis of tetrabutyl titanate and
Externí odkaz:
https://doaj.org/article/c25f77cf063e4c8ab2def66e595ea908
Publikováno v:
Open Astronomy, Vol 32, Iss 1, Pp 319-363 (2023)
In view of the future development trend of ocean altimetry satellites, the design idea of Ka/C dual frequency combination system is proposed, that is, the mode of using an altimeter antenna to contain Ka and C frequencies (35.7 and 5.3 GHz, respectiv
Externí odkaz:
https://doaj.org/article/25f2b40a59f44889ad232dbc6cbc0abe
Publikováno v:
Biodiversity Data Journal, Vol 11, Iss , Pp 1-35 (2023)
Yungui Plateau is rich in fungal diversity. Hyphomycetes, growing on submerged wood, can promote the degradation of organisms and the reuse of rotten wood energy. During an investigation of hyphomycetes in this region, 19 species of dematiaceous hyph
Externí odkaz:
https://doaj.org/article/fa2171f480f44603b6e3708dc64675fd
Autor:
WU Tian-pu, MA Jian-long, LIAO Xin-biao, ZHANG Dong-chuan, MA Kai-jun, YU Yan-geng, CHEN Long
Publikováno v:
Fayixue Zazhi, Vol 39, Iss 1, Pp 57-65 (2023)
Lung is the largest organ of the respiratory system. During hypoxia, pulmonary cells undergo rapid damage changes and activate the self-rescue pathways, thus leading to complex biomacromolecule modification. Death from mechanical asphyxia refers to d
Externí odkaz:
https://doaj.org/article/fbbed59d707c4066b71fb3af039b2690
Publikováno v:
IEEE Access, Vol 11, Pp 63947-63957 (2023)
This article proposes a resource optimization strategy for the production-consumption system of a distribution network, which is based on both resilience and economic efficiency of electrical networks in the face of typhoon impacts. Firstly, based on
Externí odkaz:
https://doaj.org/article/dacccf1cbc10414fac1af993daf28537
Autor:
Chen Jilin, Feng Guanghong, Zheng Yaxu, Ma Jian, Lin Peng, Wang Ningtao, Ma Honglei, Zheng Jian
Publikováno v:
High Temperature Materials and Processes, Vol 41, Iss 1, Pp 531-541 (2022)
Herein, the surface decarburization and oxidation characteristics of Cr–Mo cold heading steel are investigated via optical microscopy, scanning electron microscopy, and electron backscatter diffraction under different temperatures. Furthermore, the
Externí odkaz:
https://doaj.org/article/7fd6594a1105476bae5b8fb144a17a4e
Autor:
YAO Yun-qi, ZENG Run-qiang, MA Jian-hua, MENG Xiang-pei, WANG Hong, ZHANG Zong-lin, MENG Xing-min
Publikováno v:
Rock and Soil Mechanics, Vol 43, Iss 8, Pp 2305-2316 (2022)
Rainfall-induced landslides are the most common geological hazard in the world, and the effect of preferential flow infiltration has been neglected for a long time regarding the slope reliability analysis under rainfall infiltration. The preferential
Externí odkaz:
https://doaj.org/article/cd50db6367f249acbe3b2a714a8ab78f
Publikováno v:
Meikuang Anquan, Vol 53, Iss 4, Pp 135-139 (2022)
In order to solve the difficult problem of on-site upgrading of sensors in coal mine safety monitoring system, ISP technology and IAP technology are compared and analyzed. It is concluded that IAP technology is more suitable for on-line upgrading of
Externí odkaz:
https://doaj.org/article/ab97beafd0164680a4440ce0cd0640f0