VOLUME 4/2019,ISSUE 4

This work is licensed under a Creative Commons Attribution 4.0 International License. The Journal is included in the international database: – DOAJ (Directory of Open Access Journals) -EBSCO

Editor-in-chief: Valeriu V. JINESCU  University Politehnica of Bucharest Co-editor: Florin Teodor TANASESCU University Politehnica of Bucharest Honorary editor: Mihai MIHAITA President of Technical Sciences Academy of RomaniaManaging editor: Ioan Ganea AGIR Publishing House Journal of Engineering Sciences and Innovation is a quarterly multidisciplinary scientific journal, print and electronic: – covers all disciplines of engineering sciences; – free of charge. No processing and submission charges; – open access; – hard copy version, ISSN 2601 -6699; – on-line version, ISSN-L2537 – 320X; – high visibility, anyone can read and/or download a paper; – jesi@astr.ro

CONTENTS

A. Mechanical Engineering

Corneliu Berbente, Marius Brebenel
A comparative study of some models regarding the creation of the early universe

http://doi.org/10.56958/jesi.2019.4.4.339

339

B. Chemical Engineering, Materials Science and Engineering

Ana-Maria Sivriu, Gheorghita Jinescu, Olga Sapunaru (Taga), Doinita Roxana
Tirpan, Claudia-Irina Koncsag
Theoretical and practical aspects for thermal treatment of waste vegetable oils
http://doi.org/10.56958/jesi.2019.4.4.349

349

Mateescu Carmen, Nicula Nicoleta Oana, Dima Andreea-Daniela, Lungulescu Eduard-
Marius
Enzymatic pretreatment of algal biomass for enhanced conversion to biogas
http://doi.org/10.56958/jesi.2019.4.4.361

361

Anteneh Geremew
Improving the properties of clay soil by using Laterite soil for production of bricks
http://doi.org/10.56958/jesi.2019.4.4.371

371

C. Environmental Engineering and Energy

Gianfranco Chicco, Andrea Mazza
New insights for setting up contractual options for demand side flexibility
http://doi.org/10.56958/jesi.2019.4.4.381

381

Dumitra Lucan, Șerban Constantin Valeca, Gheorghita Jinescu, Maria Mihalache
Romania’s contribution to the development of the knowledge society in the field of nuclear energy research
http://doi.org/10.56958/jesi.2019.4.4.399

399

D. Civil Engineering and Transport Engineering

Atriyon Julzarika, Catur Aries Rukhmana
Detection of vertical deformation in Jakarta-Bandung high speed train route using X SAR and Sentinel
http://doi.org/10.56958/jesi.2019.4.4.411

411

E. Electrical and Electronics Engineering

Mohanad Abdulhamid, Adam Olalo
Implementation of moving object tracker system
http://doi.org/10.56958/jesi.2019.4.4.427

427

AGIR Publishing House