Zobrazeno 1 - 10
of 535
pro vyhledávání: '"Qu Xuan"'
Publikováno v:
Xiehe Yixue Zazhi, Vol 15, Iss 5, Pp 1107-1116 (2024)
ObjectiveTo examine the global research trends and emerging focal points in the field ofgeriatric interdisciplinary team (GIT) from 2000 to 2023, so as to offer insights and reference for related research in China.MethodsEnglish literature related to
Externí odkaz:
https://doaj.org/article/cc855b7fb85b4c1d8763935d74486dac
Publikováno v:
Xiehe Yixue Zazhi, Vol 15, Iss 4, Pp 867-876 (2023)
ObjectiveTo analyze the research trends and cutting-edge hot spots in the field of multimorbidity in older adults from 2000 to 2023 to provide reference for related research.MethodsWe conducted a search in the Web of Science Core Collection database,
Externí odkaz:
https://doaj.org/article/7d3e71d66829422c92439693969958bd
Publikováno v:
工程科学学报, Vol 40, Iss 9, Pp 1075-1082 (2018)
In this study, an Al-Mg-Si-Cu alloy was prepared by conventional press-and-sinter powder metallurgy techniques using pure Al powder, Cu element powder, and binary Al-Mg and Al-Si powders to investigate the processes of atom diffusion and microstructu
Externí odkaz:
https://doaj.org/article/2a2249ecdd714bcbaf7ddc96081940de
Publikováno v:
工程科学学报, Vol 39, Iss 3, Pp 426-431 (2017)
The friction and wear properties of ultrafine grain Ti-8Mo-3Fe alloy fabricated by mechanical alloying (MA) and subsequent spark plasma sintering (SPS) were investigated in SBF simulated body fluid. It was compared with those of as-SPSed micron size
Externí odkaz:
https://doaj.org/article/6cdad538d1a54a2589320e20946b6bc6
Publikováno v:
E3S Web of Conferences, Vol 248, p 02047 (2021)
Due to the lack of technology, the post-evaluation system of spatial syntax has the limitations of inexperience, 3D vision and spatial problems prediction. The paper focuses on: (1) combined with the layout evaluation case of Nanning No.2 Middle Scho
Externí odkaz:
https://doaj.org/article/9d878f255dc1486cb23b2f5dd848138e
Publikováno v:
Cailiao gongcheng, Vol 44, Iss 8, Pp 121-129 (2016)
Metal matrix composites, reinforced with continuous SiC fiber, offer attractive combinations of high specific strength, specific stiffness and elevated temperature performance and are currently being considered for a range of broad prospective applic
Externí odkaz:
https://doaj.org/article/d4aa58fd23d14e62a11727ef23389198
Publikováno v:
工程科学学报, Vol 38, Iss 5, Pp 677-681 (2016)
High density green compacts of annealed iron powder with a density of 7.70 g·cm-3 were prepared by high velocity compaction(HVC) combined with powder annealing. Iron soft magnetic materials with high performance and high density were obtained after
Externí odkaz:
https://doaj.org/article/6f7c77ca492346068290e092bed31ab2
Publikováno v:
工程科学学报, Vol 37, Iss 5, Pp 621-625 (2015)
Oxide dispersion strengthening(ODS) copper has the characteristics of both high strength and high conductivity. The porosity is an important factor influencing the electrical conductivity. 0.9Al2O3/Cu powder was compacted by a high velocity compactio
Externí odkaz:
https://doaj.org/article/5165b747c17040ba923adb6b8c21c9ba
Publikováno v:
工程科学学报, Vol 37, Iss 4, Pp 488-493 (2015)
Mo2NiB2 based cermets were prepared using element powders of boride, nickel and molybdenum. The phase transformation and dimensional change in the sintering stage as well as the effects of sintering temperature and holding time on the mechanical prop
Externí odkaz:
https://doaj.org/article/bc8415be4fcd41218e1fba913bacc269
Publikováno v:
MATEC Web of Conferences, Vol 232, p 01061 (2018)
Pedestrian detection aims to localize and recognize every pedestrian instance in an image with a bounding box. The current state-of-the-art method is Faster RCNN, which is such a network that uses a region proposal network (RPN) to generate high qual
Externí odkaz:
https://doaj.org/article/e9833ba7e8954d7797e82f2829be05ab