Results 11 to 20 of about 11,617 (142)

Effects of Kenaf Fiber Strand Treatment by Sodium Hydroxide On Sound Absorption

Journal of Natural Fibers, 2022
Natural fiber capability as an acoustic panel is subjected to physical properties of the fiber. Chemical treatment was implemented in this study to improve kenaf fiber performances and utilized as a sound absorption material.
Ida Norfaslia Nasidi, Lokman Hakim Ismail, Emedya Samsudin, Muhammad Ismail Jaffar   +3 more
doaj   +1 more source

Fishing and the impact of marine reserves in a variable environment [PDF]

, 2004
We use discrete-time models to investigate the impact of marine reserve establishment on fishery catch and biomass levels in open-access and quota-regulated fisheries under conditions of recruitment variability and natural mortality events.
Roberts, C M, Rodwell, L D
core   +1 more source

Reddening and Extinction Toward the Galactic Bulge from OGLE-III: The Inner Milky Way's Rv ~ 2.5 Extinction Curve [PDF]

, 2013
We combine VI photometry from OGLE-III with VVV and 2MASS measurements of E(J-K_{s}) to resolve the longstanding problem of the non-standard optical extinction toward the Galactic bulge.
Albrow, Andrew Gould, Andrews, Andrzej Udalski, Benjamin, Bennett, Brown, Brown, Castellani, Clarkson, Cohen, Cohen, Conroy, David M. Nataf, De Propris, Eisenhauer, Epstein, Falco, Fritz, Fulbright, Gao, Gerhard, Ghez, Gould, Gould, Gould, Grzegorz Pietrzyński, Igor Soszyński, Indebetouw, Jan Skowron, Jennifer A. Johnson, Johnson, Johnson, Johnson, Johnson, Kiraga, Koch, Krzysztof Ulaczyk, Kunder, Kunder, Kunder, Li, Liebert, Lopez-Corredoira, Majaess, Mandel, Marcin Kubiak, Martinez-Valpuesta, McWilliam, Michał K. Szymański, Nataf, Nataf, Nataf, Nataf, Nataf, Nataf, Nataf, Ness, Nidever, Nishiyama, Nishiyama, Nishiyama, Nishiyama, Oscar A. Gonzalez, Paczyński, Paczyński, Pascal Fouqué, Perryman, Pietrinferni, Pietrinferni, Pietrukowicz, Pietrzyński, Popowski, Radosław Poleski, Ramírez, Rich, Saito, Salasnich, Sarajedini, Schlegel, Schultz, Shen, Skrutskie, Soszyński, Stanek, Stanek, Stutz, Szymański, Thompson, Thorsett, Udalski, Udalski, Udalski, Yoo, Zasowski, Zoccali, Łukasz Wyrzykowski   +96 more
core   +1 more source

Design and performance evaluation of a soundproof enclosure for a 2.5kVA generator

Journal of Applied Sciences and Environmental Management, 2019
The high level of noise that radiates from domestic generators in most parts of the neighbourhoods in Nigeria is becoming very much uncomfortable and constitutes nuisance to public serenity thereby creating noise pollution. This paper reports the design
A.E. Amos, Y.P. Olisa, K Kotingo
doaj   +1 more source

Predicting the absorption of perforated panels backed by resistive textiles [PDF]

, 2016
This paper studies the diffuse field sound absorption coefficient of a system consisting of a rigid perforated panel with a thin porous woven/matted material glued to its back, which is placed in front of an air cavity with a rigid backing.
Davy, J, Larner, D
core   +1 more source

Real-time face recognition for human tracking system [PDF]

, 2020
Computer-based human face detection and recognition systems proliferate in various sectors such as universities, factories and other organisation [1]. This system refers to a branch of computer technology that can recognise human faces in digital images..
Abdul Manaf, Mohamad Shukri, Ahmad, Nasarudin, Mohd Zaini, Muhammad Zharif, Nawawi, Sophan Wahyudi   +3 more
core  

Acoustical and Thermal Characterization of Insulating Materials Made from Wool and Sugarcane Bagasse

Journal of Natural Fibers, 2023
Utilizing agricultural waste and natural fibers minimizes environmental impact and can improve the acoustic and thermal conditions of buildings. Natural fibers can be an alternative to non-biodegradable synthetic sound-absorbing materials.
Mohammad Hosein Beheshti, Ali Firoozi, Mostafa Jafarizaveh, Akram Tabrizi   +3 more
doaj   +1 more source

A statistical analysis of multiple temperature proxies: Are reconstructions of surface temperatures over the last 1000 years reliable? [PDF]

, 2011
Predicting historic temperatures based on tree rings, ice cores, and other natural proxies is a difficult endeavor. The relationship between proxies and temperature is weak and the number of proxies is far larger than the number of target data points ...
McShane, Blakeley B., Wyner, Abraham J.
core   +5 more sources

Influence of Alkali Treatment on Microstructure Transformation and Mechanical Properties of Palm-Fiber Cell Wall

Journal of Natural Fibers, 2023
Utilizing agricultural waste and natural fibers minimizes environmental impact and can improve the acoustic and thermal conditions of buildings. Natural fibers can be an alternative to non-biodegradable synthetic sound-absorbing materials.
Lingxiao Jing, Ying Jiang, Lifan Li, Tonghua Zhang   +3 more
doaj   +1 more source

Drought Tolerant Plants’ Fiber and Recycled PET Co-Fibrous Composite as Acoustic Absorbers and Thermal Insulators

Journal of Natural Fibers, 2023
In this paper, the series of co-fibrous composite materials combining natural fiber derived from drought-tolerant plants (pineapple, hemp, sisal, and agave) and recycled-polyethylene terephthalate (r-PET) were successfully prepared using a mixing-hot ...
Kuntawit Witthayolankowit, Jirachaya Boonyarit, Preeyanuch Srichola, Nattadon Rungruangkitkrai, Thanyachol Apipatpapha, Rungsima Chollakup   +5 more
doaj   +1 more source