Results 1 to 10 of about 561,231 (307)

The use of solar energy in the copper mining processes: A comprehensive review

open access: yesCleaner Engineering and Technology, 2021
The copper mineral processing industry faces complex scenarios with increased demand, highly variable energy prices, falling ore grades that increase energy consumption, and increasing concern about the industry's carbon footprint.
O. Behar   +6 more
doaj   +1 more source

The reappearance of Puma concolor (Linnaeus, 1771) (Mammalia, Carnivora, Felidae) in the city of Rio de Janeiro, Brazil [PDF]

open access: yesCheck List, 2021
Large mammals, especially felids such as Mountain Lion, Puma concolor (Linnaeus, 1771), are disappearing from their original habitats, due to the loss of natural areas and hunting, especially in the metropolitan regions.
Jorge Antônio Lourenço Pontes   +5 more
doaj   +3 more sources

How oral health care organizations formulate actionable statements to inform practice and policy: A protocol for a systematic survey [version 1; peer review: 2 approved]

open access: yesF1000Research, 2023
Background: Oral diseases are a major global public health problem that impacts the quality of life of those affected. While widespread consensus exists on the importance of high-quality, evidence-informed guidelines to inform practice and public health ...
Alonso Carrasco-Labra   +5 more
doaj   +1 more source

Areas in Analysis the Phenomenon of City-region And its Conceptual Requirements for Urban Iran (Case study: Mashhad Metropolitan Region) [PDF]

open access: yesجغرافیا و توسعه, 2016
Problems faced with the metropolitan in recent decades and the inability of municipal managers to solve these problems, draw the attention of theorists to a scale beyond the metropolis, i.e. was attracted to the region level.
Mozaffar Sarrafi   +2 more
doaj   +1 more source

Quelle est la pertinence des régions métropolitaines polycentriques dans les réseaux d'entreprises ? L'exemple transfrontalier de la Grande Région SaarLorLux

open access: yesTerritoire en Mouvement, 2021
There are few questions about the economic relevance of the polycentric metropolitan regions which are multiplying all over Europe. Considering that it is essential to articulate the territories with the networks, we measure the position of the cities ...
Sébastien Antoine
doaj   +1 more source

URBAN POPULATION DYNAMICS IN USA AND THE ECONOMICS [PDF]

open access: yesChallenges of the Knowledge Society, 2023
Long-term population trends meditate socioeconomic transformations likely better than other territorial factors and/or socioeconomic processes. The political, economic, and cultural factors have affected long-term urbanization and the underlying ...
Valentin Gabriel CRISTEA
doaj  

A learner corpus is born this way: From raw data to processed dataset

open access: yesData in Brief, 2022
This data article presents the development of a learner corpus (i.e. a systematic computerized web-based repository of written texts produced by language learners) from the initial phase of the development where written assignments were collected from ...
Chung Hong Danny Leung   +2 more
doaj   +1 more source

Testing Taylor’s Law in Urban Population Dynamics Worldwide with Simultaneous Equation Models

open access: yesEconomies, 2023
Knowledge of long-term population trends is still incomplete at the global scale. In this perspective, human and animal ecology has intensively studied the relationship between the Mean (M) size and the Variance (V) of specific attributes of ...
Federico Benassi   +2 more
doaj   +1 more source

Decline in empathy levels and sex differences in medical students from the Caribbean

open access: yesRevista de la Facultad de Medicina, 2021
Introduction: Empathy is an important trait in the training of medical students, as it has been shown that it improves the doctor-patient relationship. Objective: To evaluate the decline of empathy levels and possible sex differences in undergraduate ...
Eugenia Smirna González-Díaz   +5 more
doaj   +1 more source

Development of metropolitan and non-metropolitan regions: growing disparities in the Europe of 28 [PDF]

open access: yesEastern Journal of European Studies, 2019
Within the article, new observations on the gap between metropolitan and non-metropolitan regions are presented. The economic performance of a country mostly emanates from its metropolitan regions.
Julia von HANXLEDEN, Jan WEDEMEIER
doaj  

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