Results 11 to 20 of about 112,457 (217)

Metabolic Flexibility and Mechanical Efficiency in Women Over-60

open access: yesFrontiers in Physiology, 2022
Purpose: Aging deteriorates metabolic flexibility (MF). Moreover, recent studies show that glycolysis is barely increased despite impoverished lipid metabolism, in addition to increased relevance of muscle power in older adults.
Cristina Blasco-Lafarga   +5 more
doaj   +1 more source

The Anaerobic Capacity of Cross-Country Skiers: The Effect of Computational Method and Skiing Sub-technique

open access: yesFrontiers in Sports and Active Living, 2020
Anaerobic capacity is an important performance-determining variable of sprint cross-country skiing. Nevertheless, to date, no study has directly compared the anaerobic capacity, determined using the maximal accumulated oxygen deficit (MAOD) method and ...
Erik P. Andersson   +2 more
doaj   +1 more source

PREDICTION OF GROSS FEED EFFICIENCY IN ITALIAN HOLSTEIN FRIESIAN BULLS [PDF]

open access: yesPoljoprivreda, 2015
The aim of this study was to predict gross feed efficiency of Italian Holstein Friesian bulls selected for production, functional and type traits. A total of 12,238 bulls, from the April 2015 genetic evaluation, were used.
Raffaella Finocchiaro   +4 more
doaj   +1 more source

Experimental study on power generation plant of a 1 kW small‐scale Organic Rankine Cycle system using R290

open access: yesEnergy Science & Engineering, 2022
This work presents an experimental investigation of a small‐scale cryogenic Organic Rankine Cycle (ORC) power generation plant for cold energy utilization using scroll expander and R290.
Feng Wang   +4 more
doaj   +1 more source

Simulation of Gross Primary Productivity Using Multiple Light Use Efficiency Models

open access: yesLand, 2021
Gross primary productivity (GPP) is the most basic variable in a carbon cycle study that determines the carbon that enters the ecosystem. The remote sensing-based light use efficiency (LUE) model is one of the primary tools that is currently used to ...
Jun Zhang, Xufeng Wang, Jun Ren
doaj   +1 more source

Profitability of Contractual Bread Wheat Seed Production in Mecha District of Amhara Region, Ethiopia [PDF]

open access: yesJournal of Central European Agriculture, 2012
The study was undertaken to examine the profitability of contractual bread wheat seed production in Kudmi village of Mecha district in Amhara region, Ethiopia. Primary data were collected from fourteen seed growers using structured questionnaire.
Dawit TSEGAYE
doaj   +1 more source

The Use of Gross Efficiency Coefficients in Cyclists’ Endurance Tests

open access: yesCentral European Journal of Sport Sciences and Medicine, 2015
The efficiency of energy conversion of aerobic metabolism to external work is of great importance to sports exercise. Despite this fact, gross efficiency (GE) is not commonly used as a parameter in the assessment of cyclists’ exercise ability.
Jacek Borkowski   +3 more
doaj   +1 more source

The Slow Component of Oxygen Uptake and Efficiency in Resistance Exercises: A Comparison With Endurance Exercises

open access: yesFrontiers in Physiology, 2019
IntroductionThere is a lack of information regarding the slow component of oxygen uptake (VO2sc) and efficiency/economy in resistance exercises despite the crucial role played in endurance performance.Purposethis study aimed to compare the VO2sc ...
Manuel V. Garnacho-Castaño   +9 more
doaj   +1 more source

Physiological Responses to Rifle Carriage During Roller-Skiing in Elite Biathletes

open access: yesFrontiers in Physiology, 2019
Purpose: This study aimed to investigate the physiological factors affected by rifle carriage during biathlon skiing performance, as well as the sex differences associated with rifle carriage.Methods: Seventeen national- and international-level ...
Malin Jonsson Kårström   +2 more
doaj   +1 more source

FARMERS RESOURCES USE EFFICIENCY IN SOME HORTICULTURE CROPS PRODUCTION IN NORTH WESTERN COAST AREA [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2014
The research estimated the efficiency of resource use among north western coast farmers in Marsa matrouh governorate using a sample of 200 respondents that were randomly selected; Interview schedules and structured questionnaires were administered to ...
Soha M. Eldeep, Dalia E. Abozied
doaj   +1 more source

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