Zobrazeno 1 - 10
of 2 748
pro vyhledávání: '"LEI Yong"'
Publikováno v:
矿业科学学报, Vol 9, Iss 4, Pp 597-607 (2024)
This study conducted bearing capacity test of high-steep rock slope foundation under different slope angles and slope distances to investigate the bearing capacity of high-steep rock slope foundation. We carried out numerical simulation to analyze th
Externí odkaz:
https://doaj.org/article/b5027a1e007e423a854232223938afc0
Autor:
Lei Yong
Publikováno v:
Frontiers in Mechanical Engineering, Vol 10 (2024)
BackgroundUser reviews of online shopping platforms can truly reflect users’ feelings about the use of products. They have the advantages of large sample size, wide range and uniform distribution, and can help optimize the perceptual model of produ
Externí odkaz:
https://doaj.org/article/1a230195b00d4a01830173acfe837a96
Neogene spore-pollen assemblages and paleovegetation succession of Borehole ZKA02 in Beihai, Guangxi
Publikováno v:
Dizhi lixue xuebao, Vol 29, Iss 4, Pp 584-598 (2023)
The history of vegetation and climate change during the Cenozoic has been reconstructed by systematically analyzing the sporopollen assemblage from Borehole ZKA02 in Beihai, Guangxi. Through the analysis of spore-pollen data, four sporopollen assembl
Externí odkaz:
https://doaj.org/article/7accb12d424c4a5583941627c327bb92
Autor:
Lei Yong
Publikováno v:
MATEC Web of Conferences, Vol 395, p 01063 (2024)
In order to show how the teacher spreads the international Chinese language and Chinese culture for the foreign audience group through the classroom teaching behavior, and to shape the communication mechanism of the national image of China, with the
Externí odkaz:
https://doaj.org/article/87f04dcb842b4d2d919f477103204cda
Autor:
Lei Yong, Yan Shi, Hai-Long Wu, Qi-Yuan Dong, Jing Guo, Li-Sheng Hu, Wen-Hao Wang, Zhi-Ping Guan, Bin-Sheng Yu
Publikováno v:
Frontiers in Oncology, Vol 12 (2023)
BackgroundOsteosarcoma (OS) is a malignant bone tumor mainly affecting children and young adolescents. Cisplatin is a first-line chemotherapy drug for OS, however, drug resistance severely limits the survival of OS. Nevertheless, cellular factors in
Externí odkaz:
https://doaj.org/article/6832a1d3ea424cc49a89df17c1b17791
Publikováno v:
Yankuang ceshi, Vol 40, Iss 4, Pp 603-611 (2021)
BACKGROUND Currently, tungsten, molybdenum, and bismuth contents are mainly determined by the traditional potassium thiocyanate colorimetric method and EDTA volumetric method. These methods are based on single-element analysis, which has a complicate
Externí odkaz:
https://doaj.org/article/60e55ab9472a47e09c837ab6345730d8
Publikováno v:
Cailiao gongcheng, Vol 48, Iss 12, Pp 126-134 (2020)
Based on the thin plate stability theory determined by energy criterion, the finite element model of unstable deformation of ultra-thin plate laser welded joint was established. The temperature field and stress field of 316L steel foil plate surfacin
Externí odkaz:
https://doaj.org/article/86d7f07211e34864b5483f83b7036259
Publikováno v:
SHS Web of Conferences, Vol 174, p 02005 (2023)
Taking the idea of “reflective and critical optimization thinking”, this article first examines “the outlook on development of big mathematics” in International Mathematics Day in 2003 from the perspective of the history of mathematics. Then
Externí odkaz:
https://doaj.org/article/39f3dea49d974f9083e513160ec8c552
Autor:
Peng Wang, Xiaoguang Liu, Xiao Liu, Chao Kong, Ze Teng, Yunlong Ma, Lei Yong, Chen Liang, Guanping He, Shibao Lu
Publikováno v:
Journal of Orthopaedic Surgery and Research, Vol 14, Iss 1, Pp 1-8 (2019)
Abstract Background Thoracic ossification of the posterior longitudinal ligament (T-OPLL) can cause thoracic spinal stenosis, which results in intractable myelopathy and radiculopathy. The etiology of T-OPLL is unknown and the condition is difficult
Externí odkaz:
https://doaj.org/article/8f3eab612bb64a5a806740c43beb2099
Publikováno v:
Advances in Mechanical Engineering, Vol 13 (2021)
The operation disturbance induced by the solar array drive system (SADS) and the residual vibration of solar array following the attitude adjustment of the spacecraft obviously affect the dynamics environment, quick stabilization, and attitude stabil
Externí odkaz:
https://doaj.org/article/0223c1ed396e4f688de72e39701a5683