Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Eun Suk Jang"'
Publikováno v:
BioResources, Vol 19, Iss 4, Pp 9606-9615 (2024)
Due to wood’s susceptibility to fire, it is crucial to treat wood-based materials with flame retardants, especially in construction applications. This study investigated the effectiveness of various grooving types, including transverse, longitudina
Externí odkaz:
https://doaj.org/article/fbdf6e58bbf5494ea2020e09a13195ad
Publikováno v:
BioResources, Vol 19, Iss 1, Pp 1517-1525 (2024)
The use of perforated plywood as an interior architectural sound-absorbing material has been increasing in popularity in Korea. This study investigated the sound absorption performance of marketed birch (Betula platyphylla) plywood with circular and
Externí odkaz:
https://doaj.org/article/181c8fb205b445a5a30df3752b892e89
Publikováno v:
BioResources, Vol 18, Iss 2, Pp 3308-3318 (2023)
Various natural sound-absorbing materials such as rice by-products, coir fiber, date palm fiber, peanut husks, hardwood cross-sections, and forest by-products have been introduced to replace petroleum-based sound-absorbing materials in previous studi
Externí odkaz:
https://doaj.org/article/83334b28c802425ebe578570e1dd8a89
Autor:
Eun-Suk Jang, Chun-Won Kang
Publikováno v:
BioResources, Vol 18, Iss 2, Pp 3208-3216 (2023)
The primary purpose of this study was to delineate the most significant factors in the wood impregnation process. For this, the authors prepared larch (Larix kaempferi) and Korean pine (Pinus koraiensis) wood and used alkaline copper quaternary as an
Externí odkaz:
https://doaj.org/article/8d49429ff823467d9cb50d000d99cac3
Autor:
Eun-Suk Jang, Chun-Won Kang
Publikováno v:
BioResources, Vol 18, Iss 1, Pp 1454-1464 (2023)
Effects of steam explosion were investigated relative to impregnation of wood. Three types of softwoods [North American spruce (Picea orientalis), Korean pine (Pinus koraiensis), and Japanese larch (Larix kaempferi)] were prepared and subjected to st
Externí odkaz:
https://doaj.org/article/8032a20a71414c2b94d9040ded45ef48
Autor:
Eun-Suk Jang, Chun-Won Kang
Publikováno v:
Journal of Wood Science, Vol 69, Iss 1, Pp 1-7 (2023)
Abstract In this study, the sound absorption capability of pine (Pinus densiflora) cone particles was investigated as an alternative and eco-friendly, sound-absorbing material. The sound absorption coefficient of pine cone particles was examined afte
Externí odkaz:
https://doaj.org/article/0a78a2520b334222b447e52949df3fad
Autor:
Eun-Suk Jang, Chun-Won Kang
Publikováno v:
Journal of Wood Science, Vol 68, Iss 1, Pp 1-6 (2022)
Abstract Balsa (Ochroma pyramidale), which is the lowest density wood, is a useful species in various industries. In general, balsa can be divided into three types (low density: LD, middle density: MD, high density: HD). In this study, we classified
Externí odkaz:
https://doaj.org/article/92707439f74a46e39af8162ba8cfd722
Autor:
Eun-Suk Jang, Chun-Won Kang
Publikováno v:
Journal of Wood Science, Vol 68, Iss 1, Pp 1-6 (2022)
Abstract This study investigated changes in the sound absorption coefficients of three anatomical sections of cubed spruce (Picea sitchensis), Douglas fir (Pseudotsuga menziesii), and larch (Larix kaempferi) after microwave treatment. Microwave treat
Externí odkaz:
https://doaj.org/article/4a86bddbf5d74f57956cf7fbb48eaa2f
Autor:
Eun-Suk Jang
Publikováno v:
Forests, Vol 14, Iss 7, p 1366 (2023)
Noise pollution is often overlooked and invisible, but it significantly impacts the quality of human life. One of the most straightforward solutions to mitigate noise pollution is by using sound-absorbing materials. Recently, research trends to devel
Externí odkaz:
https://doaj.org/article/84e747c32ccb43eabd23c8308ecffeb5
Publikováno v:
Journal of Wood Science, Vol 67, Iss 1, Pp 1-5 (2021)
Abstract We investigated the effect of ultrasonic treatment on Malas (Homalium foetidum) gas permeability and sound absorption coefficient using the transfer function method. Results showed a longitudinal average Darcy permeability constant of 2.02 (
Externí odkaz:
https://doaj.org/article/72a8cd13e70a4e05a68c0e4b303224e7