Zobrazeno 1 - 10
of 27 249
pro vyhledávání: '"SUN Jian"'
Publikováno v:
Teshugang, Vol 45, Iss 2, Pp 89-90 (2024)
For a steel factory production of 55SiCr spring steel,the reduction of area of the oil quenched and tempered treatment wire rod after processing is less than 40%, which affects the subsequent spring coiling process and the service life of the spr
Externí odkaz:
https://doaj.org/article/b10e2f162b694735b45b91cfcb942de2
Autor:
Jiang Xinqu, Sun Jian
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
The study of style identification in 3D animation not only enhances the artistry of animation scenes but also has a profound significance on the development of 3D animation works. In this paper, we first sorted out the art style expressions of 3D ani
Externí odkaz:
https://doaj.org/article/5e3f63a55f1c485383c4d1739e4821f9
Autor:
Sun Jian
Publikováno v:
Measurement: Sensors, Vol 30, Iss , Pp 100934- (2023)
In the current digital era, intelligent wearable devices have become an indispensable part of people's lives and work. Through their unique design and equipped hardware and software technologies, they enable users to quickly and efficiently acquire a
Externí odkaz:
https://doaj.org/article/e333443b8718478c93dd4d1740f711c8
Publikováno v:
He huaxue yu fangshe huaxue, Vol 45, Iss 3, Pp 240-249 (2023)
By using a column elution method, potassium copper ferrocyanide(Cu-PBA) was in situ loaded on silicon bead(SiO2) column packing, thereby yielding a SiO2/Cu-PBA fixed bed column. The characterizations of SiO2/Cu-PBA by SEM-EDS, FTIR, XRD and N2 adsorp
Externí odkaz:
https://doaj.org/article/f4b252c7a6b246d7b471fb827ac6709e
Autor:
Xing Yan-Hua, Sun Jian-Wen
Publikováno v:
Advanced Nonlinear Studies, Vol 23, Iss 1, Pp 35-92 (2023)
In this article, we study the sharp profiles of positive solutions to the diffusive logistic equation. By employing parameters and analyzing the corresponding perturbation equations, we find the effects of boundary and spatial heterogeneity on the po
Externí odkaz:
https://doaj.org/article/5c182a952d3b4268a8ab31a24344c145
Publikováno v:
Xi'an Gongcheng Daxue xuebao, Vol 37, Iss 1, Pp 84-92 (2023)
Defects such as pores, slag inclusions, and cracks account for a high proportion of the girth weld defects of wind power towers, which seriously affect the safe operation of wind power towers. Therefore, the strength analysis of the girth welds of wi
Externí odkaz:
https://doaj.org/article/d2147d30e63d43d99640f42c659b52cb
Autor:
Saddam Noman Al-Wesabi, Bassam Abotaleb, Eissa Abdo Al-Shujaa, Abdo Ahmed Mohamed, Khaled Alkebsi, Wael Telha, Sun Jian, Xie Fuqiang
Publikováno v:
Head & Face Medicine, Vol 19, Iss 1, Pp 1-11 (2023)
Abstract Objective This study aimed to evaluate the condylar positional changes following mandibular reconstruction with preservation of the condylar head using Cone-Beam Computed Tomography (CBCT). Also, to assess joint space changes and the overall
Externí odkaz:
https://doaj.org/article/9e97dfe020934dfc9a8cf7cb8b3d1e2e
Publikováno v:
Meikuang Anquan, Vol 54, Iss 1, Pp 29-37 (2023)
The ventilation of fully mechanized roadway in coal mine is easy to cause the rapid diffusion of dust, which makes it more difficult to control dust pollution. In order to improve the working environment of fully mechanized coal mining face, the prog
Externí odkaz:
https://doaj.org/article/d79f4acd80544bbc930a0ffc3c35728d
Publikováno v:
IEEE Access, Vol 11, Pp 30292-30307 (2023)
In the fixed prosthesis process dental prosthesis treatment, the dentist needs to conceive the morphology of the tooth preparation and make numerous micro-adjustments by manual operation. This study aims to establish a digital design system for accur
Externí odkaz:
https://doaj.org/article/ac3b3ea3dfd14439b1d9c8529b5188ca
Publikováno v:
Shipin yu jixie, Vol 39, Iss 5, Pp 38-42,69 (2023)
Objective: This study aimed to investigate the pollution of heavy metals in Astragalus membranaceus in the main producing areas of Gansu, and to evaluate the potential health risks of edible Astragalus membranaceus. Methods: The contents of five heav
Externí odkaz:
https://doaj.org/article/bf9f34b3971b4c799609067502a19ba6