Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Lifen Li"'
Publikováno v:
ACS Omega, Vol 9, Iss 39, Pp 40956-40969 (2024)
Externí odkaz:
https://doaj.org/article/6ad11eadcd3d459895a137a787136449
Publikováno v:
Archives of Electrical Engineering, Vol vol. 73, Iss No 1, Pp 105-119 (2025)
The LLC resonant converter is a widely used DC/DC converter that offers the benefit of enabling soft switching compared to classical DC/DC converters. However, traditional PI control strategy based on a linear model has drawbacks such as slow dynamic
Externí odkaz:
https://doaj.org/article/dd1f7b995d124e10926fe0165666bbd0
Publikováno v:
BioResources, Vol 19, Iss 1, Pp 670-682 (2023)
In this study, the influence of the diameter of round steel nails, the guiding bores, and the wood sections on the nail holding performance of Pinus massoniana and Cunninghamia lanceolata dimension lumber was explored. The results showed that the nai
Externí odkaz:
https://doaj.org/article/f7c8944dc13c489f9328dd1f83fecc17
Structural Characterization and Prebiotic Effects of Passiflora edulis Sims Peel Polysaccharide-Zinc
Publikováno v:
Shipin gongye ke-ji, Vol 44, Iss 17, Pp 27-34 (2023)
This study aimed to characterize the structure of Passiflora edulis Sims peel polysaccharide-zinc (WPEP-Zn) and its prebiotic effects. The structural characteristics of WPEP-Zn were determined using Fourier transform infrared spectrometer, X-ray diff
Externí odkaz:
https://doaj.org/article/b93ffd57b63c4a78abcf8b5a2dd9aef9
Publikováno v:
Shipin gongye ke-ji, Vol 44, Iss 13, Pp 134-140 (2023)
This study aimed to determine the effect of sulfated xylans on the growth of probiotics. Xylan (Xyl) was chemically modified using the sulfamic acid-N,N-dimethylformamide method to produce sulfated xylan (SXY). The SXY was characterized by Fourier in
Externí odkaz:
https://doaj.org/article/5155bf7647104405a160412a477ca302
Publikováno v:
Forests, Vol 15, Iss 1, p 60 (2023)
The enhancement of the physical and mechanical properties and the anti-mildew performance of wood–plastic composites are of great significance for broadening their application field. In this research, bamboo fibers underwent treatments with safe, e
Externí odkaz:
https://doaj.org/article/a085f29b254948adb0ca55c14c3fa48d
Publikováno v:
Materials, Vol 16, Iss 17, p 5801 (2023)
In this study, the influence of fiber particle size on the mechanical properties of a wood-–plastic composite (WPC) was investigated using a combination of experimental measurements and numerical modeling. Four different sizes of wood fibers (10–
Externí odkaz:
https://doaj.org/article/fe34894c63c942f98d7677e6f61cc257
Publikováno v:
Forests, Vol 14, Iss 8, p 1625 (2023)
The wettability, bonding strength and flexibility of modified melamine–urea–formaldehyde resin adhesive with hydroxymethyl lignin (LMUF) were investigated. Moreover, the curing performance, thermal properties and chemical structure of LMUF were a
Externí odkaz:
https://doaj.org/article/1af4899d3d184b7dacd49a6d4caeaf2b
Publikováno v:
Journal of Bioresources and Bioproducts, Vol 5, Iss 1, Pp 60-66 (2020)
Melamine-urea-formaldehyde (MUF) resin is an excellent adhesive in the field of wood adhesives, however the competition mechanism is questionable which affects the structure control and performance optimization of the resin. In this study, the compet
Externí odkaz:
https://doaj.org/article/9838f934281f4255bd020e7f6e1bc5dc
Publikováno v:
Advances in Multimedia, Vol 2022 (2022)
In order to study many problems, such as unreasonable wetland protection, development, and utilization, resulting in a large reduction of wetland area, and so on, with the rise of the construction and research upsurge of the municipal wetland park, a
Externí odkaz:
https://doaj.org/article/10e4addce6b24a39b0b6255526f7e2db