Oprea, Constantin: search on Z-Library

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1

A new approach: Synthesis of cobalt aluminate nanoparticles using tamarind fruit extract

Mindru, Ioana, Gingasu, Dana, Patron, Luminita, Ianculescu, Adelina, Surdu, Vasile-Adrian, Culita, Daniela C., Preda, Silviu, Negut, Constantin-Daniel, Oprea, Ovidiu

Journal:

Materials Science and Engineering: B

Year:

2019

Language:

english

File:

PDF, 1.58 MB

english, 2019

2

A new approach: Synthesis of cobalt aluminate nanoparticles using tamarind fruit extract

Mindru, Ioana, Gingasu, Dana, Patron, Luminita, Ianculescu, Adelina, Surdu, Vasile-Adrian, Culita, Daniela C., Preda, Silviu, Negut, Constantin-Daniel, Oprea, Ovidiu

Journal:

Materials Science and Engineering: B

Year:

2019

File:

PDF, 1.58 MB

2019

3

[AIP EXPLORING THE SOLAR SYSTEM AND THE UNIVERSE - Bucharest (Romania) (8–12 April 2008)] AIP Conference Proceedings - The Study of AR09767 and Its Neighborhood

Chiricuta, Oana, Constantin, Diana Rodica, Oprea, Constantin Viorel, Chifu, Iulia, Oncica, Adrian, Dumitrache, Cristiana, Mioc, Vasile, Dumitrache, Cristiana, Popescu, Nedelia A.

Year:

2008

Language:

english

File:

PDF, 1.03 MB

english, 2008

4

[IEEE Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference - Valletta, Malta (2010.04.26-2010.04.28)] Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference - A rule-based expert system for Steady State Diagnosis of Electrical Distribution Networks

Borlea, Ioan, Vuc, Gheorghe, Jigoria-Oprea, Dan, Kilyeni, Annamaria, Barbulescu, Constantin, Slavici, Titus

Year:

2010

Language:

english

File:

PDF, 677 KB

english, 2010

5

Considerations Regarding the Pumps Vibration Monitoring Using Proactive and Predictive Maintenance Programs

Oprea, Alisa Filofteia, Popa, Nicolae, Onescu, Constantin

Journal:

Applied Mechanics and Materials

Year:

2014

Language:

english

File:

PDF, 311 KB

english, 2014

6

[IEEE 2011 6th IEEE International Symposium on Applied Computational Intelligence and Informatics (SACI) - Timisoara, Romania (2011.05.19-2011.05.21)] 2011 6th IEEE International Symposium on Applied Computational Intelligence and Informatics (SACI) - Large wind farms integration in Romanian power system. Case study: Moldavia region

Jigoria-Oprea, Dan, Barbulescu, Constantin, Kilyeni, Stefan, Raduca, Mihaela

Year:

2011

Language:

english

File:

PDF, 993 KB

english, 2011

7

A Methodology for the Fast Comparison of Streamwater Diurnal Cycles at Two Monitoring Points

Briciu, Andrei-Emil, Graur, Adrian, Oprea, Dinu Iulian, Filote, Constantin

Journal:

Year:

2019

File:

PDF, 6.50 MB

2019

8

[IEEE 2010 Sixth Advanced International Conference on Telecommunications - Barcelona, Spain (2010.05.9-2010.05.15)] 2010 Sixth Advanced International Conference on Telecommunications - Saliency Detection Based on Human Perception of Visual Information

Oprea, Cristina, Paleologu, Constantin, Pirnog, Ionut, Udrea, Mihnea

Year:

2010

Language:

english

File:

PDF, 406 KB

english, 2010

9

[IEEE 2014 International Conference and Exposition on Electrical and Power Engineering (EPE) - Iasi, Romania (2014.10.16-2014.10.18)] 2014 International Conference and Exposition on Electrical and Power Engineering (EPE) - The advantages of numerical analysis for claw pole alternator

Cristian, Barz, Constantin, Oprea, Chiver, Olivian, Zoltan, Erdei, Liviu, Neamt, Mircea, Horgos, Adina, Pop Vadean

Year:

2014

Language:

english

File:

PDF, 1.12 MB

english, 2014

10

[IEEE 2015 23rd European Signal Processing Conference (EUSIPCO) - Nice, France (2015.8.31-2015.9.4)] 2015 23rd European Signal Processing Conference (EUSIPCO) - Automatic lesion segmentation for melanoma diagnostics in macroscopic images

Pirnog, Ionut, Preda, Radu Ovidiu, Oprea, Cristina, Paleologu, Constantin

Year:

2015

Language:

english

File:

PDF, 1.32 MB

english, 2015

11

[IEEE 2009 Third International Conference on Digital Society (ICDS) - Cancun, Mexico (2009.02.1-2009.02.7)] 2009 Third International Conference on Digital Society - Image Content Extraction Using a Bottom-Up Visual Attention Model

Pirnog, Ionut, Oprea, Cristina, Paleologu, Constantin

Year:

2009

Language:

english

File:

PDF, 450 KB

english, 2009

12

[IEEE 2014 6th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Bucharest, Romania (2014.10.23-2014.10.25)] Proceedings of the 2014 6th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Implementation of simple MPPT algorithms using low-cost 8-bit microcontrollers

Oprea, Sergiu, Rosu-Hamzescu, Mihnea, Radoi, Constantin

Year:

2014

Language:

english

File:

PDF, 289 KB

english, 2014

13

[IEEE 2013 8th International Symposium on Advanced Topics in Electrical Engineering (ATEE) - Bucharest, Romania (2013.05.23-2013.05.25)] 2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) - Packet routing and information distribution in Multiprotocol Label Switching

Marian, Constantin Viorel, Croitoru, Victor, Oprea, Dan

Year:

2013

Language:

english

File:

PDF, 275 KB

english, 2013

14

[IEEE 2012 20th Telecommunications Forum Telfor (TELFOR) - Belgrade, Serbia (2012.11.20-2012.11.22)] 2012 20th Telecommunications Forum (TELFOR) - An error detection and correction system based on associative memories

Anton, Constantin, Ionescu, Laurentiu, Tutanescu, Ion, Mazare, Alin, Serban, Gheorghe, Oprea, Adriana

Year:

2012

Language:

english

File:

PDF, 170 KB

english, 2012

15

[IEEE 2020 43rd International Conference on Telecommunications and Signal Processing (TSP) - Milan, Italy (2020.7.7-2020.7.9)] 2020 43rd International Conference on Telecommunications and Signal Processing (TSP) - An Iterative Wiener Filter for the Identification of Multilinear Forms

Dogariu, Laura-Maria, Ciochina, Silviu, Paleologu, Constantin, Benesty, Jacob, Oprea, Cristina

Year:

2020

File:

PDF, 1.09 MB

2020

16

[IEEE 2013 International Symposium on Signals, Circuits and Systems (ISSCS) - Iasi, Romania (2013.07.11-2013.07.12)] International Symposium on Signals, Circuits and Systems ISSCS2013 - Proposed packet routing system based on label switched method

Marian, Constantin Viorel, Croitoru, Victor, Oprea, Dan

Year:

2013

Language:

english

File:

PDF, 183 KB

english, 2013

17

[IEEE 2014 6th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Bucharest, Romania (2014.10.23-2014.10.25)] Proceedings of the 2014 6th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Single-phase power factor correction circuit with Proportional-Resonant control

Oprea, Sergiu, Radoi, Constantin, Florescu, Adriana

Year:

2014

Language:

english

File:

PDF, 315 KB

english, 2014

18

[IEEE 2011 10th International Conference on Environment and Electrical Engineering (EEEIC) - Rome, Italy (2011.05.8-2011.05.11)] 2011 10th International Conference on Environment and Electrical Engineering - Integration of large wind farms within the Romanian power system

Jigoria-Oprea, Dan, Kilyeni, Stefan, Barbulescu, Constantin, Solomonesc, Florin, Cristian, Dan

Year:

2011

Language:

english

File:

PDF, 1.12 MB

english, 2011

19

Physicochemical Characterization and Use of Heat Pretreated Commercial Instant Dry Baker's Yeast as a Potential Biosorbent for Cu(II) Removal

Stanescu, Ana-Maria, Stoica, Ligia, Constantin, Carolina, Lacatusu, Ioana, Oprea, Ovidiu, Miculescu, Florin

Journal:

CLEAN – Soil, Air, Water

Year:

2014

Language:

english

File:

PDF, 302 KB

english, 2014

20

[IEEE 2006 Eighth International Symposium on Symbolic and Numeric Algorithms for Scientific Computing - timisoara, Romania (2006.09.26-2006.09.29)] 2006 Eighth International Symposium on Symbolic and Numeric Algorithms for Scientific Computing - Applying Agent Technology in Water Pollution Monitoring Systems

Oprea, Mihaela, Nichita, Constantin

Year:

2006

Language:

english

File:

PDF, 223 KB

english, 2006

21

AIP Conference Proceedings [AIP Publishing APPLIED PHYSICS OF CONDENSED MATTER (APCOM 2019) - Strbske Pleso, Slovak Republic (19–21 June 2019)] APPLIED PHYSICS OF CONDENSED MATTER (APCOM 2019) - Impact of temporary loss of connectivity in the Epurasu branch and its effects on the composition and distribution of ihtiofauna

Zamfir, Adrian-Ştefan, Deák, György, Dănălache, Tiberius Marcel, Georgescu, Puiu Lucian, Raischi, Marius Constantin, Cristea, Alexandru, Oprea, Lucian, Lumînăroiu, Lucian Gheorghe

Year:

2019

Language:

english

File:

PDF, 1.94 MB

english, 2019

22

Control of Nanostructured Polysulfone Membrane Preparation by Phase Inversion Method

BÄrdacÄ Urducea, Cristina, Nechifor, Aurelia Cristina, Dimulescu, Ioana Alina, Oprea, Ovidiu, Nechifor, Gheorghe, Totu, Eugenia Eftimie, Isildak, Ibrahim, Albu, Paul Constantin, BungÄu, Simona Gabr

Journal:

Year:

2020

File:

PDF, 5.32 MB

2020

23

[IEEE 2011 International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) - Malaga, Spain (2011.05.11-2011.05.13)] 2011 International Conference on Power Engineering, Energy and Electrical Drives - Expert system diagnosis of electrical distribution networks. Reference regimes probabilistic approach

Vuc, Gheorghe, Borlea, Loan, Jigoria-Oprea, Dan, Kilyeni, Stefan, Barbulescu, Constantin

Year:

2011

Language:

english

File:

PDF, 1.09 MB

english, 2011

24

[AIP FIFTY YEARS OF ROMANIAN ASTROPHYSICS - Bucharest (Romania) (27-30 September 2006)] AIP Conference Proceedings - Huge Filament Observed in October 2001

Dumitrache, Cristiana, Oprea, Constantin, Constantin, Diana, Mierla, Marilena, Popescu, Adrian Sabin

Year:

2007

Language:

english

File:

PDF, 1.49 MB

english, 2007

25

[IEEE 2018 10th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Iasi, Romania (2018.6.28-2018.6.30)] 2018 10th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Implementation of Resonant Current Controllers Using 16-bit, Fixed-point Digital Signal Controllers

Oprea, Sergiu, Rosu, Stefan George, Radoi, Constantin, Florescu, Adriana, Teodorescu, Mihail Stefan

Year:

2018

Language:

english

File:

PDF, 734 KB

english, 2018

26

Removal of Copper(II) from Aqueous Solutions by Biosorption-Flotation

Stoica, Ligia, Stanescu, Ana-Maria, Constantin, Carolina, Oprea, Ovidiu, Bacioiu, Gabriela

Journal:

Water, Air & Soil Pollution

Year:

2015

Language:

english

File:

PDF, 1.78 MB

english, 2015

27

[AIP Flows, Boundaries, Interactions - Sinaia, Romania (3-5 May 2007)] AIP Conference Proceedings - Huge Complex Filament Evolution

Constantin, D. R., Mierla, M., Oprea, C., Dumitrache, C., Dumitrache, Cristiana, Mioc, Vasile, Popescu, Nedelia A.

Year:

2007

Language:

english

File:

PDF, 431 KB

english, 2007

28

Improving the Performance of Entities in the Mining Industry by Optimizing Green Business Processes and Emission Inventories

Oncioiu, Ionica, Căpuşneanu, Sorinel, Oprea Constantin, Dana-Maria, Türkeș, Mirela, Topor, Dan, Bîlcan, Florentina, Petrescu, Anca

Journal:

Year:

2019

Language:

english

File:

PDF, 3.74 MB

english, 2019

29

A Complex Filament Evolution

Cristiana Dumitrache, Diana Rodica Constantin, Marilena Mierla, Constantin Oprea

Journal:

Earth, Moon, and Planets

Year:

2009

Language:

english

File:

PDF, 198 KB

english, 2009

30

Selective hydrogenolysis of glycerol to propylene glycol using heterogeneous catalysts

Adriana Marinoiu, Gheorghe Ionita, Costinela-Laura Gáspár, Claudia Cobzaru, Daniela Marinescu, Constantin Teodorescu, Spiridon Oprea

Journal:

Reaction Kinetics, Mechanisms and Catalysis

Year:

2010

Language:

english

File:

PDF, 226 KB

english, 2010

31

[IEEE 2013 International Symposium on Signals, Circuits and Systems (ISSCS) - Iasi, Romania (2013.07.11-2013.07.12)] International Symposium on Signals, Circuits and Systems ISSCS2013 - Proposed communication protocol between network nodes and address exchange

Marian, Constantin Viorel, Croitoru, Victor, Oprea, Dan

Year:

2013

Language:

english

File:

PDF, 176 KB

english, 2013

32

Numerical Simulation of NOx Emissions from a Power Plant Steam Boiler

Bratianu, Constantin, Oprea, Christina

Journal:

Key Engineering Materials

Year:

2003

Language:

english

File:

PDF, 247 KB

english, 2003

33

Analysis of Tendencies and Pronounced Predispositions of Nascent Managers Based on Smiescheck's Personality Questionnaire

Zaharia, Iuliana, Cofas, Elena, (Oprea), Dana Maria Constantin

Journal:

Agriculture and Agricultural Science Procedia

Year:

2016

File:

PDF, 136 KB

2016

34

A Methodology for the Fast Comparison of Streamwater Diurnal Cycles at Two Monitoring Points

Briciu, Andrei-Emil, Graur, Adrian, Oprea, Dinu Iulian, Filote, Constantin

Journal:

Year:

2019

Language:

english

File:

PDF, 6.50 MB

english, 2019

35

Occupational exposure monitoring to organic solvents of a group of workers from a typography

Elena Teslariu, Oana Teslariu, Corina Papaghiuc, Veronica Oprea, Brandusa Constantin, Cornelia Mihalache

Journal:

Toxicology Letters

Year:

2006

Language:

english

File:

PDF, 100 KB

english, 2006

36

[IEEE IEEE EUROCON 2009 (EUROCON) - St. Petersburg, Russia (2009.05.18-2009.05.23)] IEEE EUROCON 2009 - Short term daily load forecasting using recursive ANN

Jigoria-Oprea, Dan, Lustrea, Bucur, Borlea, Ioan, Kilyeni, Stefan, Andea, Petru, Barbulescu, Constantin

Year:

2009

File:

PDF, 1.16 MB

2009

37

[IEEE 2008 3rd International Multi-Conference on Computing in the Global Information Thechnology (ICCGI) - Athens, Greece (2008.07.27-2008.08.1)] 2008 The Third International Multi-Conference on Computing in the Global Information Technology (iccgi 2008) - Improved Minkowsky Metric for Image Region Partition

Pirnog, Ionut, Oprea, Cristina, Paleologu, Constantin, Vizireanu, Dragos Nicolae

Year:

2008

Language:

english

File:

PDF, 401 KB

english, 2008

38

[IEEE 2011 IEEE 3rd International Symposium on Exploitation of Renewable Energy Sources (EXPRES) - Subotica, Serbia (2011.03.11-2011.03.12)] 2011 IEEE 3rd International Symposium on Exploitation of Renewable Energy Sources (EXPRES) - Power quality monitoring and analysis. Case study for 220/110 kV substation

Cornoiu, Marius, Barbulescu, Constantin, Jigoria-Oprea, Dan, Kilyeni, Stefan, Prostean, Gabriela, Teslovan, Razvan

Year:

2011

Language:

english

File:

PDF, 2.03 MB

english, 2011

39

[IEEE 2018 10th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Iasi, Romania (2018.6.28-2018.6.30)] 2018 10th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) - Implementation of Resonant Current Controllers Using 16-bit, Fixed-point Digital Signal Controllers

Oprea, Sergiu, Rosu, Stefan George, Radoi, Constantin, Florescu, Adriana, Teodorescu, Mihail Stefan

Year:

2018

File:

PDF, 734 KB

2018

40

[IEEE 2012 10th International Symposium on Electronics and Telecommunications (ISETC) - Timisoara, Timis, Romania (2012.11.15-2012.11.16)] 2012 10th International Symposium on Electronics and Telecommunications - Proposed method of automatic IP addresses calculation and allocation

Marian, Constantin Viorel, Croitoru, Victor, Oprea, Dan

Year:

2012

Language:

english

File:

PDF, 615 KB

english, 2012

41

[IEEE 2011 IEEE 3rd International Symposium on Exploitation of Renewable Energy Sources (EXPRES) - Subotica, Serbia (2011.03.11-2011.03.12)] 2011 IEEE 3rd International Symposium on Exploitation of Renewable Energy Sources (EXPRES) - Power systems expansion considering large wind farms. Case study: Western Romania power system

Jigoria-Oprea, Dan, Kilyeni, Stefan, Barbulescu, Constantin, Prostean, Gabriela, Solomonesc, Florin Claudiu, Cristian, Petru Dan

Year:

2011

Language:

english

File:

PDF, 1.27 MB

english, 2011

42

[IEEE 2007 International Symposium on Signals, Circuits and Systems - Iasi, Romania (2007.07.13-2007.07.14)] 2007 International Symposium on Signals, Circuits and Systems - A Quantitative Evaluation of the Hip Prosthesis Segmentation Quality in X-Ray Images

Oprea, Alina, Vertan, Constantin

Year:

2007

Language:

english

File:

PDF, 2.35 MB

english, 2007

43

High-speed streams in the solar wind during the last solar minimum

Maris, Georgeta, Maris, Ovidiu, Oprea, Constantin, Mierla, Marilena

Journal:

Proceedings of the International Astronomical Union

Year:

2011

Language:

english

File:

PDF, 226 KB

english, 2011

44

Mechanochemically initiated polymerisations. 12. Spectral and thermal characterisation of some products obtained by vibratory milling of benzene and pyridine

Cleopatra Vasiliu Oprea, Marcel Popa, Constantin N. Cascaval

Journal:

Polymer International

Year:

1984

Language:

english

File:

PDF, 278 KB

english, 1984

45

[IEEE 2014 49th International Universities Power Engineering Conference (UPEC) - Cluj-Napoca, Romania (2014.9.2-2014.9.5)] 2014 49th International Universities Power Engineering Conference (UPEC) - Technical losses evaluation. dobrogea distribution network case study

Barbulescu, Constantin, Kilyeni, Stefan, Fati, Ovidiu, Simo, Attila, Oprea, Georgeta, Dobre, Bianca

Year:

2014

Language:

english

File:

PDF, 463 KB

english, 2014

46

[BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health 8th Europaediatrics Congress jointly held with, The 13th National Congress of Romanian Pediatrics Society, 7–10 June 2017, Palace of Parliament, Romania, Paediatrics building bridges across Europe - ()] Posters - P64 Case series of cardiac malformations hidden by respiratory symptomatology

Robu, M, Oprea, A, Constantin, A, Olteanu, C, Mosescu, S, Ilie, C, Zapucioiu, C

Language:

english

File:

PDF, 59 KB

english

47

[IEEE 2009 Fifth Advanced International Conference on Telecommunications - Venice/Mestre, Italy (2009.05.24-2009.05.28)] 2009 Fifth Advanced International Conference on Telecommunications - Perceptual Video Quality Assessment Based on Salient Region Detection

Oprea, Cristina, Pirnog, Ionut, Paleologu, Constantin, Udrea, Mihnea

Year:

2009

Language:

english

File:

PDF, 317 KB

english, 2009

48

Earth–directed coronal mass ejections and their geoeffectiveness during the 2007–2010 interval

Oprea, Constantin, Mierla, Marilena, Maris, Georgeta

Journal:

Proceedings of the International Astronomical Union

Year:

2011

Language:

english

File:

PDF, 166 KB

english, 2011

49

Cr(III) aq separation by flotation with multipolar collector

Craioveanu, Maria Graţiela, Stoica, Ligia, Constantin, Carolina, Oprea, Ovidiu

Journal:

Separation Science and Technology

Year:

2019

Language:

english

File:

PDF, 1.64 MB

english, 2019

50

[IEEE 2011 IEEE 3rd International Symposium on Exploitation of Renewable Energy Sources (EXPRES) - Subotica, Serbia (2011.03.11-2011.03.12)] 2011 IEEE 3rd International Symposium on Exploitation of Renewable Energy Sources (EXPRES) - Optimal energy mix for a grid connected hybrid wind — Photovoltaic generation system

Vuc, Gheorghe, Borlea, Ioan, Barbulescu, Constantin, Prostean, Octavian, Jigoria-Oprea, Dan, Neaga, Lucian

Year:

2011

Language:

english

File:

PDF, 553 KB

english, 2011

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