Archive:: World Journal of Applied Physics:: Science Publishing Group

Volume 1, Issue 1, August 2016

Unrivaled Incandescent Lamp for Green Energy Project

Lyuji Ozawa

Issue: Volume 1, Issue 1, August 2016

Pages: 1-15

Received: 2 May 2016

Accepted: 13 May 2016

Published: 27 May 2016

DOI: 10.11648/j.wjap.20160101.11

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Abstract: After the study on the confines of the commercial incandescent lamps, we have a conclusion that the both of the W-filament lamps and LED lamps already have the optimized as the power hungry incandescent lamps. Only FL lamps have a capability for the significant improvement in the consumed energy and quantum efficiency. We have studied the FL lamps ... Show More

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Low Level Carbon Detection in Steel Alloys Based on Optimization of Observation Conditions of Laser-Induced Breakdown Spectroscopy (LIBS) in Ambient Air

Mohamed A. Khater

Issue: Volume 1, Issue 1, August 2016

Pages: 16-19

Received: 10 May 2016

Accepted: 20 July 2016

Published: 6 August 2016

DOI: 10.11648/j.wjap.20160101.12

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Abstract: In this study, we present results regarding the application of a relatively simple bench-top laser-induced breakdown spectroscopic (LIBS) technique working in the UV/visible spectral region for the rapid, direct and sensitive quantification of the element carbon in steel alloys under ambient air standard conditions. We carry out further optimizatio... Show More

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Anisotropic Stars with a Prescribed Form of Metric Potential Z

Manuel Malaver

Issue: Volume 1, Issue 1, August 2016

Pages: 20-25

Received: 26 July 2016

Accepted: 8 August 2016

Published: 31 August 2016

DOI: 10.11648/j.wjap.20160101.13

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Abstract: Assuming a linear equation of state and charged anisotropic matter, in this paper we obtain two new classes of exact solutions of the Einstein-Maxwell system with a particular form of the metric potential Z deduced for Malaver (2016). A physical analysis of electromagnetic field indicates that is regular in the origin and well behaved. The obtained... Show More

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First-Principles Local Density Plus Virtual Crystal Approximations Study of HgCdTe

Wei Zeng, Qi-Jun Liu, Zheng-Tang Liu

Issue: Volume 1, Issue 1, August 2016

Pages: 26-29

Received: 8 September 2016

Accepted: 14 October 2016

Published: 10 November 2016

DOI: 10.11648/j.wjap.20160101.14

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Abstract: We have calculated the structural, elastic, mechanical and electronic properties of cubic Hg_0.5Cd_0.5Te by using the first-principles density functional theory (DFT) within the local density approximation (LDA) plus virtual crystal approximation (VCA). Compared with the previous experimental and theoretical data of cubic Hg_0.5Cd_0.5Te, our calculated... Show More

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