Results 11 to 20 of about 122,818 (237)

Sound-Absorption Coefficient of Bark-Based Insulation Panels [PDF]

open access: yesPolymers, 2020
The objective of this study was to investigate the sound absorption coefficient of bark-based insulation panels made of softwood barks Spruce (Picea abies (L.) H. Karst.) and Larch (Larix decidua Mill.) by means of impedance tube, with a frequency range between 125 and 4000 Hz.
Eugenia Mariana Tudor   +5 more
openaire   +4 more sources

Experimental characterization and automatic identification of stridulatory sounds inside wood

open access: yesRoyal Society Open Science, 2022
The propagation of animal vocalizations in water and in air is a well-studied phenomenon, but sound produced by bark and wood-boring insects, which feed and reproduce inside trees, is poorly understood.
Carol L. Bedoya   +4 more
doaj   +1 more source

Preparation of MSBF reinforced PP composites & research on their mechanical and sound insulation properties

open access: yesMaterials Research Express, 2021
Nowadays, most researchers at home and abroad are studying the planting of seashore mallow and the efficient extraction of mallow seed oil, while the remaining mallow stems are generally incinerated or discarded. In fact, there are a lot of bundle fibers
Lei Zhao, Fei Qian, Ling Liu, Li Wei
doaj   +1 more source

Sound production in bark and ambrosia beetles [PDF]

open access: yesBioacoustics, 2019
Bark and ambrosia beetles and pinhole borers (Coleoptera: Curculionidae: Scolytinae and Platypodinae) are two subfamilies of weevils that use acoustic communication within plant tissue. These insects transmit and detect sound in a medium that is neither air nor water and they are among the smallest animals with sound-producing organs.
Carol L. Bedoya   +5 more
openaire   +2 more sources

Impact of Metrical Prosody on Performances [PDF]

open access: yes, 2015
This thesis is about testing Frederick Turner and Ernst Pöppel\u27s claim that suggestmetrical poem tends to measure three seconds in terms of psychological limitwhen it is performed aloud.
Hiroshi Suemune (1547716)   +3 more
core   +4 more sources

An Evaluation on Acoustic Behavior of Untreated Tree Trunks Depending on Bark Physical Properties and Fiber Cell Structure

open access: yesJournal of Natural Fibers, 2022
In recent years, noise pollution generated by increasing global urbanization has become an important issue. This study focused on determining the sound absorption coefficients (SACs) of untreated tree trunks as natural fiber-based materials and ...
Serhun Sağlam   +4 more
doaj   +1 more source

New Herbal Biomedicines for the Topical Treatment of Dermatological Disorders

open access: yesBiomedicines, 2020
Herbal extracts and isolated plant compounds play an increasing role in the treatment of skin disorders and wounds. Several new herbal drugs, medicinal products and cosmetic products for the treatment of various skin conditions have been developed in ...
Julia Hoffmann   +3 more
doaj   +1 more source

The Effect of Mother Goat Presence during Rearing on Kids’ Response to Isolation and to an Arena Test

open access: yesAnimals, 2021
The aim of the study was to examine how early permanent separation, separation during the day only, or full-time access to the mother goat affected goat kids during social isolation with a sudden sound of a dog bark at two weeks and two months, and a ...
Louise Winblad von Walter   +3 more
doaj   +1 more source

Annotated List of Indiana Scolytidae (Coleoptera) [PDF]

open access: yes, 2017
A list of 80 species of Indiana Scolytidae (bark and ambrosia beetles) is presented.
Deyrup, Mark
core   +2 more sources

Implementasi Algoritma BFCC dan kNN pada Embedded System untuk Deteksi Dini Bronchitis

open access: yesJurnal Teknologi Informasi dan Ilmu Komputer, 2023
World Health Organization (WHO) menyatakan bahwa sebanyak 600 juta orang di dunia menderita bronchitis. Bronchitis merupakan salah satu penyakit pernafasan yang dapat disebabkan oleh virus Respiratory Syncitial Virus (RSV) dan Rhinovirus.
Septiyo Budi Perkasa   +4 more
doaj   +3 more sources

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