Zobrazeno 1 - 10
of 193
pro vyhledávání: '"KENJI UMEMURA"'
Publikováno v:
Journal of Natural Fibers, Vol 21, Iss 1 (2024)
Fibrovascular bundle (FVB) of Salacca sumatrana fronds is a natural fiber derived from palm plants. The fiber typically had long dimensions and the potential to be used as raw material for oriented boards. Therefore, this study aimed to evaluate the
Externí odkaz:
https://doaj.org/article/519edfbf02af42c7b89555c2c8f23f69
Autor:
Yunia Frida Adelka, Deni Purnomo, Sudarmanto, Narto, Bernadeta Ayu Widyaningrum, Murni Handayani, Jajang Sutiawan, Kenji Umemura, Dede Hermawan, Sukma Surya Kusumah
Publikováno v:
Jurnal Sylva Lestari, Vol 11, Iss 3, Pp 382-395 (2023)
Modification in the manufacturing process of bio-adhesive need to be carried out to improve the properties of sorghum bagasse particleboard, such as adding nanocatalyst into the bio-based adhesive. This study was conducted to determine the effectiven
Externí odkaz:
https://doaj.org/article/2c63365d65524dbdb4a662aebae038ec
Publikováno v:
Journal of Wood Science, Vol 67, Iss 1, Pp 1-10 (2021)
Abstract This study examined the influence of moisture content (MC) on NO2 sorption ability of cedar (Cryptomeria japonica) wood using the specimens with different MCs. Four MC conditions were applied, namely 0%, 8.6%, 12.7% and 16.5%, based on the d
Externí odkaz:
https://doaj.org/article/9c8a9609d6094ad3a2fb6ca90617d37b
Publikováno v:
Plant Production Science, Vol 0, Iss 0, Pp 1-7 (2021)
Prohydrojasmon (PDJ), a synthetic derivative of the plant hormone jasmonic acid, has been identified as a plant growth regulator used in various fruit and rice seedlings. In this study, we demonstrate the inhibition of transpiration by PDJ in the ind
Externí odkaz:
https://doaj.org/article/50bd5bf69d2249879171019105cc2ab5
Autor:
Koji Murata, Mao Nakano, Kaoru Miyazaki, Norihiko Yamada, Yoshihiro Yokoo, Kuniharu Yokoo, Kenji Umemura, Masashi Nakamura
Publikováno v:
Journal of Wood Science, Vol 67, Iss 1, Pp 1-8 (2021)
Abstract Over the past few decades, the sustainable forest area in China has increased remarkably, with 2400 million cubic meters of eucalyptus produced in 2018 in Guangxi which is the largest plantation area in China. In this study, the effect of al
Externí odkaz:
https://doaj.org/article/720a355d34124fd7a9160fb95d34e75d
Autor:
Yasuhiko Inoue, Atsumichi Kushibe, Kenji Umemura, Yasunori Mizushima, Takahiro Sawaguchi, Terumi Nakamura, Hiroaki Otsuka, Yuya Chiba
Publikováno v:
Japan Architectural Review, Vol 4, Iss 1, Pp 76-87 (2021)
Abstract In recent years, resonance in high‐rise buildings due to long‐period ground motion, which induces large‐amplitude cyclic deformation of seismic dampers, has become a matter of significant concern. Performance requirements for seismic d
Externí odkaz:
https://doaj.org/article/8be281566af64d4884a91b408ddb7c35
Publikováno v:
Journal of Wood Science, Vol 66, Iss 1, Pp 1-10 (2020)
Abstract In this study, further research on an enzymatic hydrolysate-ammonium dihydrogen phosphate (EHADP) adhesive was carried out. Appropriate hot pressing conditions were clarified by measuring the bond strength of three-ply plywood bonded with EH
Externí odkaz:
https://doaj.org/article/127a6de0f0224a3683fa8ad15657b3cd
Publikováno v:
Plant Production Science, Vol 23, Iss 3, Pp 350-359 (2020)
Prohydrojasmon (PDJ) is a synthetic derivative of the plant hormone jasmonic acid (JA), which is used in apples, grapes, and mandarin oranges as a plant growth regulator. Here, we show that irrigation of PDJ could prevent spindly growth of rice seedl
Externí odkaz:
https://doaj.org/article/1044b841120a4c81971022c154dad173
Publikováno v:
Journal of Wood Science, Vol 66, Iss 1, Pp 1-9 (2020)
Abstract NO2 sorption ability of cedar (Cryptomeria japonica) timbers was evaluated using a new measuring system that was developed in our previous study. Four drying conditions were applied, namely natural drying and three kinds of kiln-drying at 45
Externí odkaz:
https://doaj.org/article/d4a079eff1cd4f9db373c17fdd68bb3c
Publikováno v:
Journal of Wood Science, Vol 65, Iss 1, Pp 1-7 (2019)
Abstract The purpose of this paper was to confirm the influence of pulsive pressure waves on the liquid penetration into wood in the semi-opened container. Wood block sample was irradiated by the pulsive pressure waves in the semi-opened container fi
Externí odkaz:
https://doaj.org/article/5bf5fad2a232407085e666ed2110f750