Zobrazeno 1 - 10
of 1 422
pro vyhledávání: '"Li Aijun"'
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 4, Pp 689-696 (2024)
In the modern civil transport aircraft flight test, flight test practitioners need to constantly improve the ability and reduce flight test cycle as much as possible, considering the relationship between flight test efficiency and flight test safety.
Externí odkaz:
https://doaj.org/article/5519f868aa9b4599903335359f4b3568
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 4, Pp 652-661 (2024)
In order to solve the singular fault modes of redundant position sensors in electric actuators, a fault diagnosis method based on Hall sensor analytical model is proposed on the basis of traditional redundancy comparison algorithm. Through the comple
Externí odkaz:
https://doaj.org/article/6e522de508b34258a33c43aee89d614e
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 2, Pp 295-302 (2024)
The flight test of modern civil aircraft verifies the limits of aircraft design performance through a series of rigorous flight tests. Flight test mission is characterized by high risk and complex technology. The negative acceleration flight test is
Externí odkaz:
https://doaj.org/article/b41bcf232b294a58acb70d4abd23d4f9
Publikováno v:
Science and Engineering of Composite Materials, Vol 30, Iss 1, Pp 11-5 (2023)
The C/C–SiC composites were fabricated by the liquid silicon infiltration method. The mechanical and tribological properties of C/C–SiC composites were assessed and compared based on different C/C densities and the carbon fiber textile architectu
Externí odkaz:
https://doaj.org/article/bde391342554417da89b3499a5a52fa5
Publikováno v:
Fenmo yejin jishu, Vol 41, Iss 2, Pp 125-130 (2023)
To reduce the cost of Ti and Ti alloy products, the Ti chips (cutting fibers) from the surface of Ti ingots were used as the raw materials to prepare the Ti alloy fiber porous materials by cleaning, cutting, pressing, and high temperature confined si
Externí odkaz:
https://doaj.org/article/54d0279ff02c40cab72307aa8cbd20fe
Publikováno v:
Shipin Kexue, Vol 44, Iss 2, Pp 195-203 (2023)
In order to improve the quality stability of bacterial-type douchi during industrial production, four different varieties of soybean (LS, DBL, DBS and BS) were used to make bacterial-type douchi, and the modified Gompertz equation was used to fit the
Externí odkaz:
https://doaj.org/article/b4479da3ae0448568d3f9d22b4fe64bb
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 40, Iss 2, Pp 337-343 (2022)
It is the first time that domestic civil large aircraft has been developed, which lacks the technical experience of airborne system-level airworthiness qualification, and the research of radiation emission at home and abroad is mainly based on simula
Externí odkaz:
https://doaj.org/article/ea27eeddf73e4fb590f5f6d9c26f6a71
Publikováno v:
Di-san junyi daxue xuebao, Vol 42, Iss 22, Pp 2176-2181 (2020)
Objective To investigate the serum level of urokinase-type plasminogen activator receptor (uPAR) in children with acute appendicitis and assess the diagnostic value of uPAR combined with C-reactive protein (CRP) and modified Alvarado score for acute
Externí odkaz:
https://doaj.org/article/63274359e3424618938f42fc324b2235
Autor:
Yuan Huanwei, Li Aijun
Publikováno v:
SHS Web of Conferences, Vol 159, p 01009 (2023)
Intercultural education is one important aspect of foreign language teachings nowadays. The ultimate goal of learning a foreign language is to improve intercultural communication abilities and realize cultural communication with foreigners. English t
Externí odkaz:
https://doaj.org/article/6f1c2870b8c74deab8661ce70646c9a7
Publikováno v:
E3S Web of Conferences, Vol 350, p 03005 (2022)
This study aimed to evaluate the environmental impacts of the biochar production process through low-temperature pyrolysis of Chinese medicine residue via life cycle assessment (LCA). An LCA model consisting of biomass pretreatment, pyrolysis, separa
Externí odkaz:
https://doaj.org/article/213de2cd87e2419f8d303e1fff2a37ef