Zobrazeno 61 - 70
of 118
pro vyhledávání: '"Jia-Cheng Li"'
Publikováno v:
Key Engineering Materials. :563-566
The characteristics and properties of bacterial cellulose and dialdehyde celluloses from bacterial cellulose were studied by XRD, TG-IR and adsorption capacity testing. The crystal cell parameters of BC were calculated and approximated to that of mon
Autor:
Xi Bin Wang, Yu Hong Feng, Su Juan Pang, Zhou Xin Wu, Zhong Liang Sun, Meng Ying Zhang, Qiang Lin, Jia Cheng Li
Publikováno v:
Key Engineering Materials. :507-510
This paper addresses the determination of aldehyde group (% of dialdehyde units) in dialdehyde cellulose (DACs) oxidized from bacterial cellulose (BC). With 4 determination methods, the oxidation degrees of DACs were studied: Automatic potential titr
Autor:
Su Juan Pang, Jia Cheng Li, Zhou Xin Wu, Xi Bin Wang, Qiang Lin, Zhong Liang Sun, Yu Hong Feng
Publikováno v:
Key Engineering Materials. :1289-1292
A series of dialdehyde cellulose samples with varied aldehyde content were prepared by oxidation of bacterial cellulose with sodium periodate. The X-ray diffractometry profile showed that the crystallinity degree of bacterial cellulose was 66%, but t
Publikováno v:
IEEE Access, Vol 10, Pp 100446-100455 (2022)
This paper proposes a novel ultrawideband antenna with high gain and circular polarization. Its circular polarization can be easily changed to right-handed or left-handed. The antenna consists of four sophisticated antipodal Vivaldi antennas and an u
Externí odkaz:
https://doaj.org/article/04dc9b240d74433c921846cb595de558
Autor:
Lan-Yue Cui, Ling Gao, Jing-Chao Zhang, Zhe Tang, Xiao-Li Fan, Jia-Cheng Liu, Dong-Chu Chen, Rong-Chang Zeng, Shuo-Qi Li, Ke-Qian Zhi
Publikováno v:
Journal of Magnesium and Alloys, Vol 9, Iss 1, Pp 266-280 (2021)
A chitosan/deoxyribonucleic acid (CHI/DNA)5 coating was constructed by layer-by-layer (LbL) assembly dip coating method with Mg(OH)2 coating as an inner protective layer on AZ31 alloy. X-ray diffractometry, X-ray photoelectron spectrometry, Fourier t
Externí odkaz:
https://doaj.org/article/5591f0964a3e4e92aaa71be78d9b5548
Publikováno v:
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica. 33(9)
Supercritical CO2 fluid extraction process of antioxidation active components from Rosmarinus officinalis was studied.A new extraction process of components extracted from R. officinalis by supercritical CO2 fluid extraction (SFE-CO2 ) was studied in
Publikováno v:
2006 CIE International Conference on Radar.
The ROEWA (Ratio of Exponentially Weighted Averages) edge detector is developed by Roger Fjortoft. The operator has constant false alarm rates and outstanding localization performance, but does not offer how to calculate the direction of edge. This p