VOLUME 6/2021, ISSUE 1

This work is licensed under a Creative Commons Attribution 4.0 International License. Journal of Engineering Sciences and Innovation (JESI) is indexed in the following databases for academic journals: – Directory of Open Access Journals (DOAJ); – EBSCO, Publishing Inc.; – Open Academic Journal Index (OAJI); – Index Copernicus.

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 Romania Managing editor: Dan BOGDAN AGIR Publishing House Quarterly multidisciplinary scientific journal:: – 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
Minescu Mihail Dinita Alin, Ramadan Ibahim Naim, Zisopol Dragoș Gabriel
Experimental stand for internal pressure testing of pipes 

http://doi.org/10.56958/jesi.2021.6.1.1

1

Valeriu V. Jinescu
Non-propogation crack criteria and fracture criteria in the case of mixed- mode fracture, taking into account the deterioration
http://doi.org/10.56958/jesi.2021.6.1.11

10

Georgeta Roman, Dragoș Alexandru Apostol
Influence of bolts bending on the strength of flanges joints of pressure vessels
http://doi.org/10.56958/jesi.2021.6.1.31

31

B. Chemical Engineering, Materials Science and Engineering
Ioan Ilca
Theory and practice of asymmetrical longitudinal rolling
http://doi.org/10.56958/jesi.2021.6.1.41

41

C. Environmental Engineering and Energy
Obreja Cristina, Dinu Laura-Dorina, Mateescu Carmen, Banciu Cristian, Maria Gabriel-Mihai
Assessment of environmental pollution with rare-earth metals through bioaccumulation studies using vegetal bioindicators
http://doi.org/10.56958/jesi.2021.6.1.57

57

Alexandru Ozunu, Andrei Radovici, Alexandru Mereuță, Ioana Piștea, Zoltan Torok
Technological risk mitigation for the resilient cities
http://doi.org/10.56958/jesi.2021.6.1.71

71

Cristian Purece, Adrian Andrei Adam, Irina Chera-Anghel, Valeriu Panaitescu
Analysis of the main methods used in determining the discharge at low head small hydro power plants
http://doi.org/10.56958/jesi.2021.6.1.77

77

G. Inter – and Transdisciplinarity in Science and Technology
Corneliu Berbente, Sorin Berbente, Marius Brebenel
A possible new definition of the fundamental measure units
http://doi.org/10.56958/jesi.2021.6.1.85

85

AGIR Publishing House