Zobrazeno 1 - 10
of 491
pro vyhledávání: '"Yujun Feng"'
Publikováno v:
Materials & Design, Vol 246, Iss , Pp 113317- (2024)
Poly (p-phenylene terephthalamide) (PPTA), is well known as a material with excellent properties, but its application is greatly limited due to the harsh methods required for its preparation. This study proposes an innovative carbodiimide-assisted po
Externí odkaz:
https://doaj.org/article/666cc0983e4a464dbb83bd3e135c935a
Publikováno v:
Corrosion Communications, Vol 12, Iss , Pp 46-57 (2023)
Chinese ancient bronze fragments from three periods of history were investigated in terms of the characteristics of substrate and patina. The non-destructive protective effect of menthol coating was verified. Patinas on the fragments of the Spring an
Externí odkaz:
https://doaj.org/article/26344a76a1f549f8a715fdb3dc964cec
Autor:
Hongyu Wang, Qilai Zhao, Hang Liu, Yuxin Sun, Jialong Li, Junjie Zheng, Ye Yuan, Qianwen Zhang, Changsheng Yang, Yujun Feng, Yinhong Sun, Zhongmin Yang, Shanhui Xu
Publikováno v:
Photonics, Vol 11, Iss 9, p 877 (2024)
In this study, a kilowatt-level high-efficiency narrow-linewidth all-fiber Tm3+-doped continuous-wave laser operating at 1.95 μm is demonstrated. Benefitting from an advanced boost design of a two-stage main amplifier, it not only effectively manage
Externí odkaz:
https://doaj.org/article/128a6fff086048ef901ae7b825e72443
Autor:
Hongyao Yin, Weiluo Guo, Runxi Wang, James Doutch, Peixun Li, Qiang Tian, Zhuo Zheng, Lingzhi Xie, Yujun Feng
Publikováno v:
Advanced Science, Vol 11, Iss 17, Pp n/a-n/a (2024)
Abstract The requirement for cryogenic supramolecular self‐assembly of amphiphiles in subzero environments is a challenging topic. Here, the self‐assembly of lamellar lyotropic liquid crystals (LLCs) are presented to a subzero temperature of −7
Externí odkaz:
https://doaj.org/article/4ace694edb3b495e904794665c86cd93
Autor:
JI Yujun, FENG Fan, FENG Kuo
Publikováno v:
Ziyuan Kexue, Vol 45, Iss 4, Pp 786-799 (2023)
[Objective] This study analyzed the factor crowding effect of marine manufacturing industry agglomeration, and revealed the impact of factor crowding on the productivity of marine manufacturing enterprises. [Methods] Taking enterprise productivity as
Externí odkaz:
https://doaj.org/article/4a0a9ef82bbe4d9f82e8bd6477970810
Autor:
Rui Li, Huajun Zhang, Yujun Feng, Yanyan Wang, Xueying Wang, Suyan Gao, Lixia Dong, Xin Zhao, Huiqing Li, Liwei Li, Xiyu Guo
Publikováno v:
Medical Science Monitor; 9/6/2024, Vol. 30, p1-6, 6p
Publikováno v:
ACS Omega, Vol 7, Iss 7, Pp 5853-5863 (2022)
Externí odkaz:
https://doaj.org/article/4bf43beaf28c4b0b8c03173c3ec0eb9c
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 1, Pp 1-6 (2022)
Transverse mode instability (TMI) limits the power scaling of high-power fiber lasers and amplifiers. One method of mitigating TMI is to strip unwanted modes by bending the fiber. However, the bending-induced mode distortion will change the TMI coeff
Externí odkaz:
https://doaj.org/article/d8dffed38d1c45c3b2c3dbd1c5aa002f
Publikováno v:
ACS Omega, Vol 6, Iss 39, Pp 25421-25429 (2021)
Externí odkaz:
https://doaj.org/article/70a61d0b95bd43d29ce972dbd3724640
Publikováno v:
Molecules, Vol 28, Iss 12, p 4621 (2023)
pH-responsive viscoelastic fluids are often achieved by adding hydrotropes into surfactant solutions. However, the use of metal salts to prepare pH-responsive viscoelastic fluids has been less documented. Herein, a pH-responsive viscoelastic fluid wa
Externí odkaz:
https://doaj.org/article/601aa32c17ca4817827cf61aa98484af