Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Hai Yuan Li"'
Autor:
Yu-quan Wu, Rui-zhi Gao, Peng Lin, Rong Wen, Hai-yuan Li, Mei-yan Mou, Feng-huan Chen, Fen Huang, Wei-jie Zhou, Hong Yang, Yun He, Ji Wu
Publikováno v:
BMC Medical Imaging, Vol 22, Iss 1, Pp 1-10 (2022)
Abstract Objective To investigate whether radiomics based on ultrasound images can predict lymphovascular invasion (LVI) of rectal cancer (RC) before surgery. Methods A total of 203 patients with RC were enrolled retrospectively, and they were divide
Externí odkaz:
https://doaj.org/article/f62a48df01b642358ee28a09079601a4
Publikováno v:
Defence Technology, Vol 14, Iss 5, Pp 628-634 (2018)
In order to realize the ballistic control of the railgun and the flight stability of the projectile, a new type of railgun is designed, which can control the muzzle velocity and rotation rate. The method of the muzzle velocity and overload control is
Externí odkaz:
https://doaj.org/article/98a7381a339c4f349a509b207a1e2acc
Publikováno v:
Cancer Cell International, Vol 18, Iss 1, Pp 1-17 (2018)
Abstract Background Dysregulated expression of long non-coding RNAs (lncRNAs) has been reported in the pathogenesis and progression of multiple cancers, including hepatocellular carcinoma (HCC). LncRNA CTD-2547G23.4 is a novel lncRNA, and its role in
Externí odkaz:
https://doaj.org/article/dd90e050bc5a4ebb9420a721521594f4
Publikováno v:
Defence Technology, Vol 13, Iss 4, Pp 249-256 (2017)
Instead of the capillary plasma generator (CPG), a discharge rod plasma generator (DRPG) is used in the 30 mm electrothermal-chemical (ETC) gun to improve the ignition uniformity of the solid propellant. An axisymmetric two-dimensional interior balli
Externí odkaz:
https://doaj.org/article/72e79dcb7f3549a9a4d2fbb5de367c56
Publikováno v:
Defence Technology, Vol 12, Iss 3, Pp 223-226 (2016)
The rails of electromagnetic railgun can be ablated by the temperature rise due to current concentration. The current distributions on the rails and armature are not only affected by the skin effect, but also influenced by the proximity effect which
Externí odkaz:
https://doaj.org/article/5a43af527b1b4111a2b8e511fc37d3fd
Publikováno v:
Defence Technology, Vol 12, Iss 2, Pp 81-85 (2016)
A 30 mm electrothermal-chemical (ETC) gun experimental system is employed to research the burning rate characteristics of 4/7 high-nitrogen solid propellant. Enhanced gas generation rates (EGGR) of propellants during and after electrical discharges a
Externí odkaz:
https://doaj.org/article/68fdc21174184efda5b6dfac124495aa
Publikováno v:
Defence Technology, Vol 12, Iss 2, Pp 90-95 (2016)
A gouging phenomenon with a hypervelocity sliding electrical contact in railgun not only shortens the rail lifetime but also affects the interior ballistic performance. In this paper, a 3-D numerical model was introduced to simulate and analyze the g
Externí odkaz:
https://doaj.org/article/128c4e72073043538a0f25e74ed27d4c
Publikováno v:
Defence Technology, Vol 12, Iss 2, Pp 96-100 (2016)
Plasma generator is a core component in an electrothermal-chemical (ETC) launcher. Its work state directly influences the launch efficiency of a system. The interaction between plasma and propellants is a very important mechanism in ETC technology. B
Externí odkaz:
https://doaj.org/article/5effe5d3b4cf454193b77b60283f2f3b
Publikováno v:
Defence Technology, Vol 14, Iss 5, Pp 628-634 (2018)
In order to realize the ballistic control of the railgun and the flight stability of the projectile, a new type of railgun is designed, which can control the muzzle velocity and rotation rate. The method of the muzzle velocity and overload control is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20da4f75928f89d64389520d4915aaf6
https://doi.org/10.1016/j.dt.2018.07.022
https://doi.org/10.1016/j.dt.2018.07.022
Autor:
Hai-yuan Li, Denghua Pan, Yun He, Gang Chen, Hong Yang, Haiying Ling, Jing-ning Lu, Xiaofeng Zhou, Dequan Guo
Publikováno v:
Ultrasound in Medicine & Biology. 43:2469-2476
Previous studies have shown that contrast-enhanced ultrasound (CEUS) can be used quantitatively to analyze microcirculation blood perfusion in hepatocellular carcinoma patients. However, limited data have described the application of CEUS in hepatic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4b22abc32055d5f180107a01e26ec96
https://doi.org/10.1016/j.ultrasmedbio.2017.06.004
https://doi.org/10.1016/j.ultrasmedbio.2017.06.004