Results 1 to 10 of about 194,461 (187)

Dureza Vickers

open access: yesIngenio y Conciencia Boletín Científico de la Escuela Superior Ciudad Sahagún, 2022
En la presente práctica de laboratorio se determinará la dureza Vickers de un material conocido, con ayuda de un microidentador DuraScan 20 G5, para aplicaciones industriales.
Martín Ortiz Domínguez   +1 more
openaire   +2 more sources

Ontogenetic Changes in Feeding Behaviors in Tufted Capuchins. [PDF]

open access: yesAm J Biol Anthropol
ABSTRACT Objectives Wild juvenile capuchins exhibit lower feeding success than adults, particularly for mechanically challenging foods, but ontogenetic changes in oral food processing behaviors related to this reduced success are unknown. We test how oral food processing efficiency varies across development in an experimental setting in tufted ...
Canington SL   +8 more
europepmc   +2 more sources

Propriedade de dureza da madeira

open access: yesRevista dos Trabalhos de Iniciação Científica da UNICAMP, 2019
A dureza da madeira é uma das propriedades mecânicas que permite a definição da empregabilidade desse material na construção civil e na indústria moveleira. Essa pesquisa teve como objetivo avaliar a dureza Janka em madeiras com diferentes densidades.
Mônica Ruy   +5 more
openaire   +3 more sources

Growth-defense trade-offs promote habitat isolation between recently-diverged species. [PDF]

open access: yesEcol Evol
Growth–defense trade‐offs have long been implicated in tropical plant diversity, but how do these tradeoffs contribute to reproductive isolation? This study characterizes growth–defense trade‐offs between two recently diverged tropical plants and explore their role in maintaining strong habitat isolation.
Harenčár JG   +3 more
europepmc   +2 more sources

Efecto del secado y manejo agronómico sobre propiedades físicas asociadas a la dureza del grano en híbridos de maíz

open access: yesRevista Tecnología y Ciencia, 2022
Se evaluó el efecto de distintos tratamientos de secado (natural, 50 y 70 °C) y manejo agronómico (sin y con re-fertilización en pre-floración) sobre la dureza endospérmica en cuatro híbridos de maíz (AW 190, NK 940, Cóndor y Mill 522).
M. Actis   +5 more
semanticscholar   +1 more source

La dureza total del agua afecta la muda, calcificación, crecimiento y supervivencia de Cryphiops caementarius (Palaemonidae)

open access: yesActa Biológica Colombiana, 2021
El objetivo de este estudio fue evaluar los efectos de diferentes niveles de dureza total del agua en la muda, calcificación del exoesqueleto, crecimiento y supervivencia de Cryphiops caementarius. Los camarones machos fueron colectados del río Pativilca
Fiorella Graciano León   +2 more
semanticscholar   +1 more source

Obtención de la misma dureza por balanceo de fases en las aleaciones Al-Cu-Zn

open access: yesRevista de Metalurgia, 2021
Se prepararon 5 muestras de las aleaciones Al-Cu-Zn con diferentes porcentajes químicos, utilizando una metodología que pronostica la dureza en este tipo de aleaciones con la finalidad de que todas las muestras tengan la misma dureza (67 RB). Cada una de
J. D. Villegas-Cárdenas   +5 more
semanticscholar   +1 more source

The Genome Assembly of Vitis vinifera cv. Shiraz

open access: yesAustralian Journal of Grape and Wine Research, Volume 2023, Issue 1, 2023., 2023
Background and Aims. Shiraz (Syrah) is a dark‐skinned cultivar of the wine grape Vitis vinifera that forms the basis of some of the world’s most iconic wines. Worldwide, Shiraz is the fourth most planted grapevine cultivar; however, it represents the most planted cultivar in Australia.
Cristobal A. Onetto   +3 more
wiley   +1 more source

Assessing the Short‐Term Effects of No‐Till on Crop Yield, Greenhouse Gas Emissions, and Soil C and N Pools in a Cover‐Cropped, Biodynamic Mediterranean Vineyard

open access: yesAustralian Journal of Grape and Wine Research, Volume 2022, Issue 1, 2022., 2022
Background and Aims. No‐till is considered a core practice of conservation and climate‐smart agriculture. Nevertheless, recent evidence suggests that the benefits of this practice for climate change mitigation might be overestimated, particularly in the short term. Methods and Results. In a three‐year field experiment, we investigated the environmental
Cristina Lazcano   +9 more
wiley   +1 more source

Adsorción de la dureza del agua sobre lechos de rocas volcánicas de Ecuador

open access: yes, 2021
The primary objective of the present research study was to characterize the process of water hardness adsorption in rocks from the Tungurahua and Reventador volcanoes (Ecuador) by using fixed beds.
José Prato   +3 more
semanticscholar   +1 more source

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