Volume 1, Iss. 1, 2016

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Science, Engineering & Education

1, Iss. 1, 2016
ISSN 2534-8507 (print)
ISSN 2534-8515 (on line)

 

EDITOR-IN- CHIEF
Prof. Dr. Bogdana Koumanova
Tel: (+ 359 2) 81 63 302
University of Chemical Technology and Metallurgy
8 Kl. Ohridski, 1756 Sofia, Bulgaria
E-mail: journal@uctm.edu

 

Physics, Mechanics, Electrical Engineering

Validation procedure for numerical model of hydraulic inflatable dam under pulse load

Veselin Iliev, Nikolay Nikolov

 

Squeeze film effect at elastohydrodynamic lubrication of plain journal bearings

Juliana Javorova, Anelia Mazdrakova

 

Stress and strain controlled cyclic loading

Kliment Hadjov, Dimitar Dontchev, Tarik Hrima, Verjinia Aleksandrova

 

Network photovoltaic system

Valery Todorov, Anton Andonov

 

Photovoltaic’s inverter directly connected to the grid

Andrei Mirev, Anton Andonov, Yovko Rakanov

 

Modeling of an electrolyzer for а hybrid power supply system

Anton Andonov, Lyubomir Antonov

 

Autonomous photovoltaic power supply system

Anton Andonov, Valery Todorov

 

Mathematics, Informatics, Automation

Voltage control of microbial fuel cells for wastewater treatment

Chong Li, Kosta Boshnakov, Liping Fan

 

Asymptotic stability of linear differential equations with diagonal periodic coefficients

Batzul Tumur

 

Reduciblity of linear homogeneous system of differential equations with semiperiodic coefficients

Batzul Tumur

 

Constrained functional similarity by minimizing the H1 seminorm and applications to engineering problems

Stefan Filipov, Atanas Atanassov, Ivan Gospodinov

 

System supporting software requirements engineering processes

Atanas Atanassov, Vania Kuzmanova, Ivan Gospodinov

 

Developing of Node.js module for working with an effective temporal model in NoSQL data bases

Dimitar Pilev, Ventzislav Nikolov

 

Big data and cloud computing – issues and problems

Petar Halachev

 

Robust engineering approach for optimization of electron beam grafting of corn starch

Elena Koleva, Lilyana Koleva, Vencislav Tzotchev, Monica Nemtanu, Mirela Brashoveanu, Katia Vutova

 

Modeling and control of a rotary manipulator by Arduino programmable logical micro-controller

Elena Koleva, Volodia Dzharov

 

Stability shelf life estimation using linear regression models

Elena Koleva, Toni Paneva, Vencislav Tzotchev

 

Ontology-based data and information integration for quality improvement in а lead production plant

Daniela Gocheva, Dimitar Georgiev, Idilia Batchkova

 

Management, Humanities, Sports

Clarification of the correlation between the technological transfer and the enterprise competitiveness

Nikolay Karev, Angelina Terzieva

 

Organizing maintenance management activities in the industrial company

Georgi Kondev, Stilian Stefanov

 

The principles of training of the organization personnel

Temenujka Halacheva, Silviya Hristova

 

A methodological approach to risk management in industrial companies

Liliya Damyanova, Elitsa Tasseva

 

English language learning strategies of students in University of Chemical Technology and Metallurgy

Tsvetanka Dilkova, Senia Terzieva, Jordanka Angelova

 

A model for training in analytical chemistry on the basis of technical and personal skills and employment competences

Lili Nilkolova, Senia Terzieva, Jordanka Angelova

 

How students understand the relation between forms of assessment and motivation

Silvia Traikova, Silvia Tsolova

 

Conceptual database model of a learning process

Ventzislav Nikolov, Stefan Filipov, Ivan Gospodinov

 

Influence of the physical activity on the reaction patterns structuring in conflict situations

Ventsislav Gavrilov, Todor Marinov, Vanya Tsolova

 

On the psychophysical readiness of students to overcome difficulties in complex situations

Ventsislav Gavrilov, Vanya Tzolova, Desislava Ilieva

 

Significance and social functions of sport for all in the contemporary society

Desislava Ilieva, Ventsislav Gavrilov, Vanya Tzolova

 

Guide for Authors