Results 191 to 200 of about 989,033 (382)

Exploring Solar Thermal Collector Technologies: Efficiency, Performance, and Advanced Concentration Strategies

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Solar thermal collector technology is crucial for capturing renewable energy to support sustainable thermal uses. Nonetheless, traditional designs frequently experience optical losses, ineffective thermal storage and variable performance under different levels of sunlight.
R. Iyankumar   +7 more
wiley   +1 more source

Amusement places in Chişinău. Cafe Man’kov (Late 19th century - the 30ies of 20th century)

open access: yesTyragetia, 2013
Collections of postcards are a chronicle in images that captivate us with variety of topics, the study of which can extract from the darkness of oblivion different scenes of everyday life in certain historical periods.
Ana Griţco
doaj  

Bairoch revisited : tariff structure and growth in the late 19th century [PDF]

open access: yes, 2008
This paper revisits Bairoch’s hypothesis that tariffs were positively associated with growth in the late 19th century, as confirmed recently by a new generation of quantitative studies (see O`Rourke (2000), Jacks (2006) and Clements- Williamson (2002, 2004)).
openaire   +2 more sources

Salvation and Sociology in the Methodist Episcopal Deaconess Movement

open access: yes, 2002
Excerpt: Rather than being an American innovation which was spread to missionary contexts abroad, the deaconess movement in the Methodist Episcopal Church began on the Methodist missionary frontiers of India and Germany in the late 19th century.
Hartley, Benjamin
core  

Trash‐to‐Energy: Shedding Light on Plastic and Biomass Valorization Through Artificial Photosynthesis Towards Sustainability

open access: yesExploration, EarlyView.
To engrave a circular economy, artificial photosynthesis emerges as a promising and prosperous strategy to upcycle solid waste into clean fuel and valuable chemicals for sustainable fuel production. This review highlights the design of photocatalysts and external‐field‐assisted photocatalysis for effective solid waste conversion toward an ...
Ke Ming Lim   +2 more
wiley   +1 more source

Feelings of female solidarity: An ethnographic account of trans‐exclusionary feminism

open access: yesFeminist Anthropology, EarlyView.
Abstract In this article, I argue for an ethnographic engagement with trans‐exclusionary feminism. Using my fieldwork in a gender‐critical collective in the United Kingdom as an example, I show how feminist anthropology can give insights into the motivations and emotional trajectories of gender‐critical feminists.
Henrike Kraul
wiley   +1 more source

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