Zobrazeno 1 - 10
of 303
pro vyhledávání: '"Junwen, Li"'
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 481-495 (2024)
Ultrasound, as an efficient, clean, and safe processing technology, is widely used in industries. Grain refiners are widely used in the refinement of cast alloys. In this study, ultrasonic technology (UT) and Al–5Ti–1B refiner prepared by continu
Externí odkaz:
https://doaj.org/article/417e615c0643432b826d9503e2db92df
Publikováno v:
Ultrasonics Sonochemistry, Vol 109, Iss , Pp 107006- (2024)
In this study, the variations in hydrogen content and oxide content in alloys under 0 W, 500 W, 1000 W, 1500 W, 2000 W, 2500 W, 3000 W, and at 20 kHz, 30 kHz, 40 kHz were investigated. Hydrogen content was assessed using porosity and computed tomogra
Externí odkaz:
https://doaj.org/article/9bb8ff8ffa034f3cb11e13fb67d5db9e
Autor:
Junwen Li, Shangpu Li
Publikováno v:
Agriculture Communications, Vol 2, Iss 3, Pp 100051- (2024)
The capitalization of agricultural subsidies is highly relevant to sustainable agricultural development. This study applies meta-analysis to systematically investigate the overall mean effects of capitalization of agriculture subsidies in China, the
Externí odkaz:
https://doaj.org/article/320f9a2f843d41b19f19d7c7884b3272
Autor:
Huan Tian, Junwen Li, Weiqiang Lyu, Lingjie Zhang, Zhen Zeng, Yaowen Zhang, Zhiyao Zhang, Shangjian Zhang, Heping Li, Yong Liu
Publikováno v:
APL Photonics, Vol 9, Iss 7, Pp 076115-076115-12 (2024)
Optoelectronic oscillators (OEOs), which have attracted extensive studies in the past decades, are high quality-factor optoelectronic feedback loops for generating various ultra-pure microwave signals. In essence, OEOs are also dissipative nonlinear
Externí odkaz:
https://doaj.org/article/071e87bc04c14b25b03a553b6069fddf
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 3824-3831 (2024)
Many experimental results confirm that electromagnetic stirring (EMS) has a good purification effect on the melts, either degassing or removing inclusions, but the mechanism of electromagnetic purification still needs to be further explored. This pap
Externí odkaz:
https://doaj.org/article/b95723479cf84a36ab59bff71b1d592b
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3133-3143 (2024)
To further improve the strength of an Al–Ce alloy, the effects of electromagnetic stirring treatment, Sc–Zr microalloying, and their compound action on the microstructure and properties of the Al–8Ce alloy were investigated for the first time i
Externí odkaz:
https://doaj.org/article/767dcafef2c44ba7a762aed954ff1ff8
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1233-1246 (2024)
In recent decades, grain refiners had not only improved the properties on cast aluminum alloy, but also changed the application field of cast aluminum alloys, which had attracted widespread attention. However, there were few reports on microstructure
Externí odkaz:
https://doaj.org/article/04fb4d57de0c4d0a89c037e04a6d07ea
Autor:
Shaoqi Li, Linglei Kong, Xianghui Xiao, Pengtao Li, Aiying Liu, Junwen Li, Juwu Gong, Wankui Gong, Qun Ge, Haihong Shang, Jingtao Pan, Hong Chen, Yan Peng, Yuanming Zhang, Quanwei Lu, Yuzhen Shi, Youlu Yuan
Publikováno v:
Journal of Advanced Research, Vol 53, Iss , Pp 1-16 (2023)
Introduction: The simultaneous improvement of fiber quality and yield for cotton is strongly limited by the narrow genetic backgrounds of Gossypium hirsutum (Gh) and the negative genetic correlations among traits. An effective way to overcome the bot
Externí odkaz:
https://doaj.org/article/2ba0d96dfca842de8ef4e7333bd0b549
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 209-224 (2023)
A356 alloy is a commonly used casting Al-Si alloy. Because of the excellent fluidity, air-tightness and thermal resistance, it is usually used as castings with complex structure. However, due to the coarse α-Al grains and needle-like phases, the def
Externí odkaz:
https://doaj.org/article/2fc898e2ed42477f8a3357af30282064
Autor:
Shuqing Zhou, Min Jin, Jing Yin, Danyang Shi, Haibei Li, Zhixian Gao, Zhengshan Chen, Zhongwei Yang, Tianjiao Chen, Huaran Wang, Junwen Li, Dong Yang
Publikováno v:
Foods, Vol 13, Iss 18, p 2967 (2024)
Human noroviruses (HuNoVs), the most prevalent viral contaminant in food, account for a substantial proportion of nonbacterial gastroenteritis cases. Extensive work has been focused on the diagnosis of HuNoVs in clinical samples, whereas the availabi
Externí odkaz:
https://doaj.org/article/646bb84cee814ad99b5232f38389a91e