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Effect of Jatrophaand Ethanol Biofuel Blending on Performance of Agricultural Diesel Engine Tractors - Sudan

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2017
This study was carried out to investigate the effect of fuel type ( pure diesel, blending 10% of Jatropha oil with diesel (J10%), blending 14% of Jatropha oil with blending (J14%),blending 10% of ethanol with diesel (E10%), blending 14% of ethanol with
Mohamed Hassan Dahab   +2 more
doaj   +3 more sources

Oral health in the Japan self-defense forces - a representative survey

open access: yesBMC Oral Health, 2011
Background The oral health of military populations is usually not very well characterized compared to civilian populations. The aim of this study was to investigate two physical oral health characteristics and one perceived oral health measure and their ...
Furuyama Chisako   +6 more
doaj   +1 more source

The Fears of Elderly People in the Process of Purchasing Food Products

open access: yesFolia Oeconomica Stetinensia, 2020
Research background: The growing segment of elderly consumers implies the need to permanently explore the needs and expectations of older people in relation to the offer of food products.
Olejniczak Magdalena, Olejniczak Tomasz
doaj   +1 more source

The Ties that Bind Us

open access: yesLSE Public Policy Review, 2021
This paper reviews the evolutionary literature on cooperation and the mechanisms proposed to explain the differences we see in the scale, breadth, and intensity of cooperation across societies, over history, and among behavioural domains.
Michael Muthukrishna
doaj   +1 more source

The disability employment paradox in developing countries: recent evidence from Lebanon

open access: yesDevelopment Studies Research, 2023
The degree and nature of participation of disabled persons in the labor market have many direct and indirect effects on their living standards and quality of life. Therefore, this is a critical area for investigation and policy concern.
Pierre Boutros, Ali Fakih
doaj   +1 more source

Workforce Ageing and Labour Productivity Dynamics

open access: yesNaše Gospodarstvo, 2020
This paper adopts a neoclassical framework to study the effect of age composition of the working-age population on labour productivity and its determinants, based on an unbalanced panel of 64 non-oil-producing countries, over the period 1950-2017.
Milanez Ana
doaj   +1 more source

Active Ageing Index, New Emphasis Within the Same Methodology. The Role of the Internet

open access: yesStudia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2019
Our paper focuses on the role of the Internet in older people’s lives and suggests that the weighting given to Internet usage should be increased when calculating the Active Ageing Index (AAI).
Berde Éva, Kuncz Izabella
doaj   +1 more source

Association between perceived chewing ability and oral health-related quality of life in partially dentate patients

open access: yesHealth and Quality of Life Outcomes, 2010
Background One of the most immediate and important functional consequences of many oral disorders is a reduction in chewing ability. The ability to chew is not only an important dimension of oral health, but is increasingly recognized as being associated
Igarashi Yoshimasa   +3 more
doaj   +1 more source

Who Works Less when a Parent Needs Long-Term Care? Gender Disparities in Labor Market Effects in Mexico

open access: yesJournal of Long-Term Care, 2022
We use longitudinal data from the Mexican Health and Aging Study to analyze the effect of having a parent in need of long-term care on labor supply of men and women aged 50–64 in Mexico.
Marco Stampini   +3 more
doaj   +3 more sources

Trip and mode choice decisions to out-patient health care facilities: A longitudinal analysis

open access: yesJournal of Management Science and Engineering, 2022
This paper analyzes the impact of health indicators on an individual's trip and mode choices to out-patient care facilities. The study's focus is an out-patient trip to a health care facility, and the source of data is the China Health and Retirement ...
Patrick McCarthy
doaj   +1 more source

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