Results 31 to 40 of about 4,178,499 (306)

Ultrasonic Dehydration of Food Products with Moisture Removal without Phase Transition

open access: yesТехника и технология пищевых производств, 2021
Introduction. Dehydration of heat-sensitive and easily oxidized food products require particular temperatures. Exposure to ultrasonic vibrations is an alternative dehydration method that presupposes moderate thermal treatment.
Andrey V. Shalunov   +4 more
doaj   +1 more source

Inderwater noise characteristics of TINRO-Center’s reseach vessels

open access: yesИзвестия ТИНРО, 2014
Underwater noise radiated by two medium-tonnage research vessels of Pacific Fish. Res. Center (TINRO) belonged to the same project «Atlantic-833» (RV TINRO and Professor Kaganovsky) is measured by a calibrated hydrophone system.
Michail Yu. Kuznetsov   +2 more
doaj   +1 more source

Performance Analysis of Different Gun Silencers

open access: yesApplied Sciences, 2023
With the rapid development of the military industry and the increasing focus on the safety of those in these fields, there is an increasing search for solutions to existing and emerging weapons for the user and the environment.
Artūras Kilikevičius   +6 more
doaj   +1 more source

Índices bioclimáticos e produtivos em diferentes galpões avícolas no semiárido paraibano Bioclimatic and production parameters in different poultry houses in the semiarid region of Paraiba State

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2010
Objetivou-se, com este trabalho, analisar os efeitos ambientais sobre o desempenho produtivo de frangos de corte comerciais, criados em dois aviários, localizados na região semiárida paraibana, em condições de verão, sendo um com cobertura de telha de ...
Herlúcio P. da Rocha   +3 more
doaj   +1 more source

On acoustic natural frequencies of planar wave sound field connected two acoustic tubes with different cross sectional area and length (Theoretical consideration)

open access: yesNihon Kikai Gakkai ronbunshu, 2022
Ducts are widely used in an industry field. For example, air conditioning ducts, exhaust ducts, smoke elimination ducts and silencers have been used in various ducts.
Kunihiko ISHIHARA
doaj   +1 more source

Sound power of speech between 63 Hz and 20 kHz at a normal vocal effort level

open access: yesActa Acustica
This paper reports anechoic measurements of speech (720 IEEE sentences) produced at a normal vocal effort by 12 native British English speakers (six male, six female) over a hemispherical region (1 m radius) on one side of the talker to allow calculation
Hopkins Carl   +2 more
doaj   +1 more source

Associated Students of the University of Puget Sound (ASUPS) Senate Minutes 2020-2021 [PDF]

open access: yes, 2020
Meeting minutes of the Associated Students of the University of Puget Sound from 09/2020 - 05/2021.
Associated Students of the University of Puget Sound (ASUPS)
core  

Sound Radiation by a Cylindrical Open Cavity with a Surface Source at the Bottom

open access: yesArchives of Acoustics, 2018
The rigorous solution describing the sound radiation by an arbitrary surface source located at the bottom of a cylindrical open cavity embedded in a flat baffle has been obtained.
Krzysztof SZEMELA
doaj   +1 more source

Pathways and pitfalls: a qualitative study of student experiences in biomedical science education

open access: yesFEBS Open Bio, EarlyView.
Biomedical science students from underrepresented backgrounds face barriers including financial strain, disrupted laboratory access and cultural exclusion. Peer networks provide vital support when institutional systems are difficult to navigate. To create inclusive learning environments and achieve academic success, educators should blend active, hands‐
Olivia J. Russell   +8 more
wiley   +1 more source

Determining the directionality of anthropogenic noise using an underwater acoustic vector sensor: a case study in a Norwegian fjord

open access: yesActa Acustica, 2023
Sources of anthropogenic noise in the ocean have temporal and directional characteristics. Characterizing the soundscape requires identifying the directionality of the sources of noise in addition to the non-directional sound pressure.
Zhang Guosong   +2 more
doaj   +1 more source

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