Results 11 to 20 of about 6,344 (179)

Evolutionary and environmental determinants of heat tolerance and acclimation capacity in herpetofauna. [PDF]

open access: yesConserv Biol
Abstract Exploring heat tolerance and acclimation capacity can provide an effective approach to evaluating species’ sensitivity to extremely high temperatures due to climate warming. Despite some work on amphibian and reptile thermophysiological adaptation, related questions remain. We reviewed the literature to provide a synthesis of worldwide data on
Sun Z   +8 more
europepmc   +2 more sources

Quantifying exposure of amphibian species to heat waves, cold spells, and droughts. [PDF]

open access: yesConserv Biol
Abstract Globally, amphibians face severe threats, such as climate change and associated extreme events. Our goal was to quantify global amphibian exposure to 3 classes of extreme events: heat waves, cold spells, and droughts. We used the MERRA‐2 extreme climate events data and the standardized precipitation–evapotranspiration index database to ...
Twomey E   +4 more
europepmc   +2 more sources

Cumulus and smaller-scale exchange process in hurricanes.

open access: yesGeofísica Internacional, 1973
Este trabajo estudia valores estimados de los procesos de intercambio que están asociados a cúmulos y a perturbaciones de menor escala en los huracanes.
Mariano A. Estoue   +1 more
doaj   +1 more source

Estrous behavior, ovulatory follicle dynamics, and corpus luteum size in Creole cows after spontaneous or prostaglandin F2α-induced estrous

open access: yesRevista Colombiana de Ciencias Pecuarias, 2015
Background: evaluation of reproductive behavior in Creole cows is important to determine several parameters, such as fertility, that show the physiologic reproductive mechanisms under different conditions.
Andrés Quezada-Casasola   +4 more
doaj   +1 more source

Pengembangan Video Pembelajaran Kalor untuk Siswa Kelas VII

open access: yesJurnal Inovasi dan Teknologi Pembelajaran, 2019
Abstrak: Tujuan dari pengembangan yaitu menghasilkan produk media video pembelajaran yang valid sebagai sumber belajar yang efektif dalam mata pelajaran IPA materi pokok Kalor kelas VII C.  Penelitian ini menggunakan model pengembangan Sadiman.
Ardiyanti Ulyana   +2 more
doaj   +1 more source

Estresse Térmico – os efeitos do calor sobre o desempenho físico

open access: yesRevista de Educação Física, 2018
Introdução: A temperatura global vem aumentando ao longo dos anos. Paralelo a isto, vem aumentando cada vez mais o número de praticantes em atividades outdoor.
Danielli Braga de Mello
doaj   +1 more source

Comparação da exotermia de resinas durante a restauração provisória direta

open access: yesRevista de Odontologia da UNESP, 2020
Resumo Introdução As resinas de polimetilmetacrilato e as bisacrílicas são materiais amplamente utilizados para a confecção de restaurações provisórias; no entanto, ambas apresentam uma característica de exotermia durante a polimerização que deve ser ...
Thales Wilson CARDOSO   +4 more
doaj   +1 more source

Optimizing structured thermocline performance using a 3D+1D advanced model

open access: yesEnergy Conversion and Management: X
This paper presents an advanced numerical simulation of structured thermocline thermal energy storage systems integrated with concentrated solar power plants.
Jordi Vera   +3 more
doaj   +1 more source

KAJIAN SINERGITAS AGROINDUSTRI KELAPA SAWIT DAN USAHA MIKRO KECIL UNTUK MEMPRODUKSI ENERGI TERBARUKAN

open access: yesJurnal Teknologi Industri Pertanian, 2021
Through Making Indonesia 4.0, The Ministry of Industry responds to the demands of energy needs by innovative renewable energy development to reduce the consumption of fossil fuels such as petroleum, natural gas and coal with agricultural biomass waste ...
Hesty Heryani   +4 more
doaj   +1 more source

¿Disponen los estudiantes de secundaria de una comprensión adecuada de los conceptos de trabajo y calor y de su relación con la energía? [PDF]

open access: yesRevista Brasileira de Ensino de Física, 2010
El propósito de este trabajo es profundizar en el conocimiento de que disponen los estudiantes de secundaria de los conceptos de trabajo y de calor. Se proponen diferentes actividades a 170 alumnos del último curso de la secundaria postobligatoria (17/18
J.L. Doménech, J. Martínez-Torregrosa
doaj   +1 more source

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