Current issue

J.Phys.Tech. vol2-1 2018

 

Contents
Carrier Lifetime and Phase Retardation of the Photoresponse of Photovoltaic Materials  ……………….3
Tsanimir Angelov, Vesselin Donchev, Stefan Georgiev, Kiril Kirilov

An Approach for Engineering Tuning of a PID-controller with a Dynamic Second Order Object…… 8
Georgi Terziyski,  Veneta Terziyska

Podolsky Generalized Electrodynamics Lower Bounds on the Mass of the Dark Photon………………. 13
Kalin Kolev, Tsvetan Vetsov

Implementation of Uncertainty Analysis for Evaluation of Nuclear Reactors VVER-1000 Fuel Safety Margins during Normal Operation by FEMAXI-6 Computer Code Calculations …………………………….. 19
Venelin Rusanov, Plamen Petkov, Krassimir Kamenov

Automated Control System for Greenhouses ………………………………………………………………………………………… 37
Emanoil Trushanov,  Georgi Terziyski

Comparative Analysis Between Hard Disk Drive and Solid-State Drive …………………………………………… 41
Toncho Tonchev, Yordanka Yankova-Yordanova, Tsvetoslav Tsankov

Features and Application of Modern NoSQL Databases …………………………………………………………………….. 46
Krasimir Slavyanov, Todor Beshlikov

Inspection of Automotive Controllers for Stability via Communication Systems with Specialized Diagnostic Software  ………………………………………………………………………………………………………………………………… 52
Ibryam Ahmedov, Dimo Chirakov, Tsvetoslav Tsankov

Software Synthesizers …………………………………………………………………………………………………………………………….. 56
Tarkan Ismail, Viktor Lilov, Daniel Denev

Statistical Features of the Aftershock Sequence after the Mw8.3 Strong Earthquake Near Illapel, Chile in 2015 …………………………………………………………………………………………………………………………………………………………… 61
Kostadin Yanev, Dragomir Gospodinov, Boyko Ranguelov