Zobrazeno 1 - 10
of 76
pro vyhledávání: '"RF plasma treatment"'
Autor:
Nagia Dawood
Publikováno v:
Journal of Taibah University for Science, Vol 18, Iss 1 (2024)
Radiofrequency (RF) low-pressure plasma has been applied to improve natural leather's wettability and water absorption. The plasma was generated using RF discharge of the Ar-He gas mixture at 60 and 120 W power using different treatment times (30, 60
Externí odkaz:
https://doaj.org/article/f218a9496ea24e8e8c71e54f8b3a5ebd
Autor:
Nagia Dawood
Publikováno v:
Journal of Taibah University for Science, Vol 14, Iss 1, Pp 279-284 (2020)
The paper presents the effect of cold plasma (RF-Ar low-pressure plasma) on Moringa oleifera seeds. Five groups of seeds characterized by the different exposure times (1, 5, 10 and 15 mints) as well as untreated seeds. The highest germination paramet
Externí odkaz:
https://doaj.org/article/e10b7139fdea4ea28e86a720489ca0f6
Autor:
N. Dawood
Publikováno v:
Journal of King Saud University: Science, Vol 33, Iss 5, Pp 101465- (2021)
The surface properties of bio-fibres change by surface plasma treatment without changing their internal properties. In this study, radio-frequency plasma was used to treat the surface of date palm leaves. Plasma treatment was conducted for different
Externí odkaz:
https://doaj.org/article/0de383e92adc43a28d33fc63ce1c409e
Publikováno v:
Učënye Zapiski Kazanskogo Universiteta. Seriâ Estestvennye Nauki, Vol 161, Iss 2, Pp 211-221 (2019)
The extracts and melanins of chaga (Inonotus obliquus (Pers.) Pil.) obtained by raw material pretreatment with high-frequency capacitive low-pressure plasma (RF-plasma) under different technological conditions were studied. The advantages of RF-plasm
Externí odkaz:
https://doaj.org/article/6827926cfad54b1b9d30ec9db2569aa4
Akademický článek
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Akademický článek
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Publikováno v:
Materials Research, Vol 20, Iss 5, Pp 1432-1443 (2017)
The reactions that can occur on organic materials treated in plasma enviorement are strongly affected by surface temperature, thus the sharp determination of this variable is extremely important to process control. In situ temperature measurements ar
Externí odkaz:
https://doaj.org/article/cdafd16a03da4487852ecbfc1a7021f4
Publikováno v:
Učënye Zapiski Kazanskogo Universiteta. Seriâ Estestvennye Nauki, Vol 158, Iss 1, Pp 23-33 (2016)
High-frequency capacitive discharge (RF plasma) at low pressure was used as preliminary stage for the intensification of extraction from natural medicinal raw material. RF-plasma treatment was carried out in two modes differed by the nature of plasma
Externí odkaz:
https://doaj.org/article/6cf0c4fa064646698cc14b59d91865bd
Publikováno v:
Molecules, Vol 25, Iss 15, p 3476 (2020)
The aim of the study was to modify the surface free energy (SFE) of meta- (mAr) and para-aramid (pAr) yarns by their activation in low-pressure air radio frequency (RF) (40 kHz) plasma and assessment of its impact on the properties of the yarns. Afte
Externí odkaz:
https://doaj.org/article/2818b5cbde824786828f73661fd83ec0
Autor:
Dong-Yeol Yang, Youngja Kim, Min Young Hur, Hae June Lee, Yong-Jin Kim, Tae-Soo Lim, Ki-Bong Kim, Sangsun Yang
Publikováno v:
Metals, Vol 5, Iss 4, Pp 2058-2069 (2015)
This study describes how to make stainless steel hybrid micro-nano-powders (a mixture of micro-powder and nano-powder) using an in situ one-step process via radio frequency (RF) thermal plasma treatment. Nano-particles attached to micro-powders were
Externí odkaz:
https://doaj.org/article/c34536a9a54e45588f6707def28546a3