Browsing Colecția instituțională by Title

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  • Optimization of Vibro-Compaction Technological Process Considering Rheological Properties 
    DOBRESCU, Cornelia-Florentina; BRĂGUŢĂ, Eugeniu (Springer Nature Switzerland, 2017)
    The present paper is aimed to improve the compaction technology using rheological models for describing soil response parameters under impact loading of vibrating rollers.
  • Optimizing food processing technologies in the context of the circular bioeconomy and climate change, biooptehpas 
    COVACI, Ecaterina; BOTEZATU, Nadejda (Romanian Inventors Forum, 2024)
    Research has shown that grape pomace is a rich source of extractable phenolic antioxidants (polyphenols, especially flavonols, tannins), trace elements, non-fermentable sugars, pigments and other compounds with functional ...
  • Optoelectronic economical lighting and securing system 
    DOROGAN, Valerian; VIERU, Tatiana; SECRIERU, Vitalie; VIERU, Stanislav; MUNTEANU, Eugen; DOROGAN, Andrei; ZAPOROJAN, Sergiu (Romanian Inventors Forum, 2014)
    The elaborated system uses renewable energy sources (hydro, wind, solar) for autonomous supply of household techniques, outdoor lighting and house securing. The intelligent securing, alarm and control system represents an ...
  • Optoelectronic gas sensor 
    DOROGAN, Valerian; VIERU, Tatiana; VIERU, Stanislav; DOROGAN, Andrei; SECRIERU, Vitalie; MUNTEANU, Eugen; BALICA, Ştefan (Romanian Inventors Forum, 2012)
    The sensor is equipped with a laser diode with vertical emission and an external optical resonator, which assures multiple propagation of laser radiation. The gash detection inside the external resonator’s cavity is assured ...
  • Optoelectronic Module For Gas Detection 
    DOROGAN, V.; VIERU, S.; VIERU, T.; DOROGAN, A.; SECRIERU, V.; MUNTEANU, E.; BALICA, Ş.; KAPON, E.; SÎRBU, A. (Romanian Inventors Forum, 2011)
    Optical gas detection module consists of vertical emitting laser diode (VCSEL), optical flux control photodiode, a thermoelectric cooler, thermo-resistor - all integrated in one chip. The gas chamber consists of a parallel ...
  • Optoelectronic module for ultraviolet range 
    DOROGAN, Valerian; VIERU, Stanislav; VIERU, Tatiana; BANARI, Eugen (Romanian Inventors Forum, 2009)
    The module is consisted of an ultraviolet radiation source with a wide emission surface, a lens system that assures an efficient injection of the ultraviolet radiation into the optic cable. The module allows irradiating ...
  • Optoelectronic properties of gallium nitride thin membranes 
    BRANISTE, Tudor; POPA, Veaceslav; VOLCIUC, Olesea; TIGINYANU, Ion (Romanian Academy, 2015)
    We present the results of a systematic study of persistent photoconductivity (PPC) generated by UV-excitation in thin membranes based on crystalline GaN. The PPC was found to be optically quenched under extrinsic excitation ...
  • Optoelectronic system for leading and control of oscillations 
    DOROGAN, V.; VIERU, T.; VIERU, S.; SECRIERU, V.; MUNTEANU, E.; BALICA, Ş. (Romanian Inventors Forum, 2010)
    The system is elaborated for controlling oscillatory processes (in particular, for Focault Pendullum). It is manufactured basing on optoelectronic couples (laser diode - photoreceiver), synchronizing and compensation system ...
  • Opțiunile strategice în alegerea paradigmei de formare a funcționarilor publici 
    PRODAN-ŞESTACOVA, Liubovi (Academia de Administrare Publică, Republica Moldova, 2018)
    In this article, the author proposes to analyze two educational paradigms: humanist and sociocentric. The education system is currently undergoing permanent reforms, and often the reformers are only concerned with "what?" ...
  • Opţiuni strategice pentru strategiile de dominare prin costuri 
    CRUCERESCU, Cornelia (Universitatea “Lucian Blaga” din Sibiu, 2008)
    The companies use the low costs strategies with a view to improve competitive advantage. Implementation of low costs strategies is possible by a lot of methods. The main scope of this paper is to identify some of strategically ...
  • The order of projective Edwards curve over Fpn and embedding degree of this curve in finite field 
    SKURATOVSKII, Ruslan (Bons Offices, 2018)
    We consider algebraic affine and projective curves of Edwards over a finite field Fpn. Most cryptosystems of the modern cryptography can be naturally transform into elliptic curves. We research Edwards algebraic curves ...
  • Order-disorder phase transition in CdAl2S4 under hydrostatic pressure 
    BURLAKOV, I. I.; RAPTIS, Y.; URSAKI, V. V.; ANASTASSAKIS, E.; TIGINYANU, I. M. (ELSEVIER, 1997)
    CdAl2S4 single crystals with the defect chalcopyrite structure have been studied by Raman spectroscopy at hydrostatic pressures up to 150 kbar. The Raman scattering spectra were found to undergo substantial changes around ...
  • Ordered arrays of metal nanotubes in semiconductor envelope 
    TIGINYANU, Ion; MONAICO, Elena; MONAICO, Eduard (ELSEVIER, 2008)
    We report on fabrication of metal nanotubes in semiconductor nanotemplates possessing ordered two-dimensional hexagonal arrays of pores grown in n-InP crystalline substrates using anodic etching in neutral electrolyte. ...
  • Ordering of jobs with tree different processing times in the MXN Bellman-Jonson problem 
    BOLUN, Ion (Institutul de Matematică şi Informatică al AŞM, 2007)
    Bellman-Johnson Mxn scheduling problem with monotone (no decreasing, constant or no increasing) jobs of three different processing times is investigated. Three different classes C3.1, C3.2 and C3.3 of such systems are ...
  • Ordonarea lucrărilor monotone în problema Mxn Bellman-Johnson 
    BOLUN, Ion (Academia de Studii Economice din Moldova, 2007)
    Bellman-Johnson’s Mxn scheduling problem with monotone (no decreasing, constant or no increasing) jobs is investigated. Rules for optimal ordering of monotone jobs in the schedule, which contain no monotone jobs too, are ...
  • Organ de lucru eolian în formă de turbină elicoidală 
    BOSTAN, Ion; DULGHERU, Valeriu; CIUPERCĂ, Rodion (Institutul de Energetică, AŞM, 2005)
    Prezenta lucrare este dedicată cercetării unui tip nou de rotor eolian de putere mică – turbina elicoidală. Lucrarea include elemente ale teoriei turbinei elicoidale, modele ale turbinei elicoidale cu diferiţi parametri ...
  • Organic Beekeeping Practices in Romania: Status and Perspectives towards a Sustainable Development 
    POCOL, Cristina Bianca; ŠEDÍK, Peter; BRUMĂ, Ioan Sebastian; AMUZA, Antonio; CHIRSANOVA, Aurica (MDPI (Basel, Switzerland), 2021)
    Romanian beekeeping faces a lot of challenges nowadays due to the problems related to climate change, the use of pesticides in agriculture, but also to the pandemic crisis. In this context, organic beekeeping represents ...
  • Organic selenium (Sel-Plex) effects on productive performance and blood parameters in broiler chickens 
    VOINITCHI, E.; BALANESCU, Diana (Editura "Ion Ionescu de la Brad" Iași 2011, 2011)
    In this study 300 one day old broiler chickens were divided into 2 groups. First group (I) consisted of 150 chickens was decided to be a control group, second group (II) was the experimental one – organic Selenium ( Sel-Plex ...
  • Organic thermoelectric materials: new opportunities 
    CASIAN, A. I.; SANDULEAC, I. I. (Journal of Thermoelectricity, 2013)
    The aim of the paper is to estimate the opportunities of organic materials for thermoelectric applications. Recently in molecular nanowires of conducting polymers the values of ZT ~ 15 were predicted. Still higher values ...
  • Organisme dăunătoare depistate la plante de tuia 
    MIHAILOV, Irina; GROZDEVA, Svetlana; RUSU, Ludmila; PANUȚA, Oxana; BARCARU, Natalia; RUDOI, Oxana; BALAN, Valerian (Universitatea de Stat "Alecu Russo" din Bălţi, 2024)
    In the paper presents a report based on analytical testing of thuja plants by methods specific to the microbiological and morphobiometric field with the aim of detecting the organisms that caused drying to these. As a ...

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