Results 11 to 20 of about 41,488 (261)

Programmable power supply design based on biological factor interference mechanism

open access: yesThe Journal of Engineering, 2019
Nowadays, how to deal with the water pollution has become a worldwide problem. More and more people are focusing on how to disinfect and reuse water resources.
Yunhong Zheng   +2 more
doaj   +1 more source

Lămpile de la Histria. I. Lămpi romane timpurii din Sectorul Sud al cetății Histria

open access: yesMateriale și Cercetări Arheologice, 2023
The analysis was made upon a set of 27 pieces that had been discovered in the South Sector during the archaeological campaigns carried out between 2003 and 2020. In the study were included the pieces from the early Roman period. Therefore, the purpose of
Bocan. I., Dabâca, M.
doaj   +1 more source

Optical characteristics of UV–VUV lamps on the electronic-vibrational transitions of the hydroxyl radical pumped by a nanosecond capacitive discharge

open access: yesHigh Voltage, 2017
This paper presents the results of a study of UV and VUV low-pressure lamp pumped by nanosecond capacitive discharge. This lamp works on the mixtures of helium and argon with water vapor (H(2)O) or ‘heavy’ water (D(2)O).
Alexandr Shuaibov, Roksolana Gritzak
doaj   +1 more source

A Study to Improve the Quality of Street Lighting in Spain

open access: yesEnergies, 2015
Street lighting has a big impact on the energy consumption of Spanish municipalities. To decrease this consumption, the Spanish government has developed two different regulations to improve energy savings and efficiency, and consequently, reduce ...
Alberto Gutierrez-Escolar   +5 more
doaj   +1 more source

Firmalampen: an abundantly-produced lamp-type almost never used? Socio-economic elements to define a new framework to study these peculiar lighting devices [PDF]

open access: yesPeuce, 2020
Firmalampen, produced in enormous quantities in the Northern provinces of the Roman Empire, bear with them still many mysteries to be solved. The most important of these concerns the very few individuals which have ever been used, if compared to the ...
Laurent CHRZANOVSKI
doaj  

O descoperire arheologică unică la Noviodunum: arhetipuri, tipare şi producerea opaiţelor [PDF]

open access: yesPeuce, 2016
Noviodunum fortress, identified approx 2 km NW of the town of Isaccea, on the Danube’s left bank, became a landmark for the Roman and Roman-Byzantine period, due to both numerous historic sources and to archaeological finds that drew the picture of its ...
Florin TOPOLEANU, Laurent CHRZANOVSKI
doaj  

White Light —White Heat: The use of Fire as a Light and Heat Source in an Atrium House in Roman Pompeii

open access: yesCurrent Swedish Archaeology, 2005
This article concerns the distribution of fire as light and heat source within the insula investigated by the ongoing Swedish Pompeii Project. Here the author suggests that fire installations as kitchens, ovens and baths were clustered in specific areas
Henrik Boman
doaj   +1 more source

New Data Concerning Roman ”Stepped Pit” Graves in Northern Dobruja [PDF]

open access: yesPeuce, 2021
The fortunate find of a partially complete funerary stele in a tumulus located between the villages of Stejaru and Vasile Alecsandri prompted an archaeological excavation during the fall of 1983.
Florin TOPOLEANU
doaj  

Grafitos sobre cerámica del puticuli de la calle Cabo Verde de Mérida : (España) : nuevos datos sobre la cotidianidad Emeritense en el siglo I d. C.

open access: yesEspacio, Tiempo y Forma. Serie II, Historia Antigua, 2012
Damos a conocer un repertorio de grafitos grabados sobre cerámica y procedentes de una reciente intervención arqueológica en la capital de la Lusitania, Augusta Emerita (Mérida, España).
Luis Ángel Hidalgo Martín   +2 more
doaj   +1 more source

Recycling and Material Flow Analysis of End-of-Life Fluorescent Lamps in South Korea

open access: yesEnergies, 2022
Proper management and treatment of end-of-life fluorescent lamps with a toxic metal of mercury has attracted critical concern in the solid waste community.
Yong-Chul Jang   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy