Results 11 to 20 of about 41,676 (242)
Reading Analysis for Barcode Scanner With Interference from LED-Based Lighting
This paper addresses reading failures of a barcode scanner interfered by light emitting diode (LED) lamps. It quantifies the reading performance in terms of timing signal-to-interference ratio (TSIR), in particular, as a function of modulation depth and ...
Xiong Deng +3 more
doaj +1 more source
This paper is devoted to the extremely important issue of lighting pedestrian and pedestrian-driving routes within a housing estate. Both aspects are discussed with regard to the safety of route users and the potential impact on the natural environment ...
Ściężor Tomasz
doaj +1 more source
O descoperire arheologică unică la Noviodunum: arhetipuri, tipare şi producerea opaiţelor [PDF]
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
A novel power converter system to drive medical laser equipment is proposed here, which has the major features of interleaving, external auxiliary triggering, and lighting period control.
Chih-Lung Shen +2 more
doaj +1 more source
Objective. The aim of the study is to develop an algorithm for the method of calculating the area of light openings of buildings, which allows the transition to a differentiated accounting of light climate resources at any geographical point.Method.
H. M. Guketlov, I. Z. Srukov
doaj +1 more source
School and community reopening during the COVID-19 pandemic: a mathematical modelling study
Operating schools safely during the COVID-19 pandemic requires a balance between health risks and the need for in-person learning. Using demographic and epidemiological data between 31 July and 23 November 2020 from Toronto, Canada, we developed a ...
Pei Yuan +9 more
doaj +1 more source
AULOS AND CROTALS IN GRAECO-ROMAN EGYPT [PDF]
(En) aulos and crotals are two totally different musical instruments. Aulos is a wind instrument, while the crotals are of percussion type. They were preferably played in Egypt during the Graeco-roman period.
Marwa Elkady
doaj +1 more source
Opaiţe plastice descoperite la Durostorum–Ostrov (Ferma 4) [PDF]
The Lower Danube Museum of Călărași houses over 1400 Roman lamps, most of them discovered by the author of this paper during field research and preventive or systematic excavations made within the territory of the civil settlement of Durostorum (Ostrov ...
Dan ELEFTERESCU
doaj
Power Quality and Harmonic Analysis of End User Devices
Among the non-linear loads used in household, Compact Fluorescent Lamps (CFLs) and LED lamps are becoming more widespread, while incandescent lamps are intended to be replaced by these types of lighting devices.
Sonia Leva, Alberto Dolara
doaj +1 more source
Recycling and Material Flow Analysis of End-of-Life Fluorescent Lamps in South Korea
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

