Zobrazeno 1 - 10
of 1 036
pro vyhledávání: '"WANG Chengjun"'
Publikováno v:
Shuitu Baochi Xuebao, Vol 38, Iss 3, Pp 195-206 (2024)
[Objective] This study was aimed to explore the impact of different land use patterns on regional ecosystem carbon storage. [Methods] In this paper, using the SD-PLUS coupled model and the coupled shared socio-economic path and representative concent
Externí odkaz:
https://doaj.org/article/d6a4953c92a24b60aebecd58c91c5f61
Publikováno v:
Journal of Medical Biochemistry, Vol 42, Iss 4, Pp 645-649 (2023)
Background: The purpose of this study is to investigate the genotype and allele distribution of MTHFR rs1801133 in the Chinese population, and to analyze the relationship between gene polymorphism of MTHFR rs1801133 and risk of childhood leukemia. Me
Externí odkaz:
https://doaj.org/article/e1589643be4a46cf97003cfc7573ad9f
Publikováno v:
Jixie chuandong, Vol 46, Pp 16-21 (2022)
In order to further improve the stability and accuracy of the pouring trajectory of the heavy-duty casting robot during the pouring operation, a new hybrid four-degree-of-freedom heavy-duty casting robot is taken as the research object, and a traject
Externí odkaz:
https://doaj.org/article/cd15be51bd4640d199f8649a10d603e5
Autor:
Wang Chengjun, Ni Jun, Jiang Shaojing, Gao Yiwen, Wang Weibo, Xue Yuan, Zhang Lei, Zheng Liming
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 13, Iss 2, Pp 691-703 (2022)
Abstract Before a wide range of enhanced oil recovery (EOR) techniques were implemented for an oilfield, the EOR potential and economic evaluation of the techniques should be evaluated in advance for each reservoir to determine which EOR technique wa
Externí odkaz:
https://doaj.org/article/5b93cf0af1d545cca5f825cd501741ff
Autor:
WANG ChengJun, ZHU Tao
Publikováno v:
Jixie qiangdu, Vol 44, Pp 250-254 (2022)
Aiming at the problems of single movement dimension of traditional vibrating screen, low screening efficiency, short life of key parts, etc. Using the randomness of chaotic vibration and the characteristics of reciprocating non-periodic motion, chaot
Externí odkaz:
https://doaj.org/article/19341e63cbac4a809fbd1e773689e6ca
Publikováno v:
Jixie qiangdu, Vol 44, Pp 239-244 (2022)
Aiming at the problems of screen blinding, low screening efficiency and unstable screening performance of traditional vibrating screen in agricultural field, a three degree of freedom adjustable vibrating screen was designed, including leveling devic
Externí odkaz:
https://doaj.org/article/6b2355dc657b41cba9fc10ede4fe9aed
Publikováno v:
Jixie qiangdu, Vol 44, Pp 409-415 (2022)
In the process of applying cold-stretching process to normal pressure vessel, the vessel will undergo two stages of elastic and plastic deformations. If the plastic deformation occurs, the minor change of deformation in the vessel is sensitive to the
Externí odkaz:
https://doaj.org/article/3f1db4b3b96e4fba9b622c771cccf51f
Publikováno v:
Jixie qiangdu, Vol 44, Pp 575-580 (2022)
Aiming at the problem that the vibration frequency of conventional vibration exciter is small and can not realize the resonance of high stiffness components, Based on the superharmonic vibration characteristics of nonlinear vibration system, designed
Externí odkaz:
https://doaj.org/article/baca0f6c72cc4db095825600189612e6
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2023, Iss 1, Pp 1-1 (2023)
Externí odkaz:
https://doaj.org/article/408d09cd57aa490d8979dc0271cbbe06
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2019, Iss 1, Pp 1-7 (2019)
Abstract Today, with the rapid development of mobile Internet technology, the operation of enterprises is basically based on the mobile network platform. Therefore, the study of the evaluation system of SMEs’ industrial cluster management performan
Externí odkaz:
https://doaj.org/article/aa37b5759b6d407a8dfc7aba8804442a