Browsing Colecția instituțională by Title

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  • 1 decembrie 2018 – centenarul Marii Uniri 
    DULGHERU, Valeriu (Tehnica UTM, 2019)
    La 1 decembrie 1918 toată suflarea românească era cu gândul la Alba Iulia care se transformase într-o adevărată Meka a Reîntregirii Neamului. Din toate colțurile ţării mii de „pelerini” țineau calea spre Alba Iulia care ...
  • 1/f-noise prediction in millimeter wave detectors based on quasi vertical Schottky diodes 
    HOEFLE, Matthias; PENIRSCHKE, Andreas; COJOCARI, Oleg; AMRHEIN, Andreas; DECOOPMAN, Thibaut; PIIRONEN, Petri; JAKOBY, Rolf (IEEE, 2013)
    A modeling concept for accurate prediction of 1/f-noise in millimeter wave Schottky detectors is presented. The concept is based on DC bias current measurements with precise knowledge of the diode structure. Key aspect is ...
  • 11 - Ultra-thin membranes for sensor applications 
    TIGINYANU, I.; URSAKI, V.; POPA, V. (Woodhead Publishing, 2011)
    Technological approaches for the fabrication of ultra-thin membranes for sensor applications are reviewed, with the main focus on graphene and two-dimensional (2D) sheets of layered compounds such as BN, MoS2, Bi2Te3, ...
  • 15 000 de ani de la realizarea oalelor ceramice. 5000 de folosire a roţii olarului. Amândouă mai sunt utile 
    CANTEMIR, Lorin; JANTEA, Andrei; BĂRBÂNŢĂ, Constantin Ion (Tehnica UTM, 2013)
    The paper presents the emergence and spread of ceramic vessels. The first artifacts found around the world showing the appearance and use of technology for the ceramic are introduced here. It is accepted that this apparition ...
  • 183 GHz Mixer on InGaAs Schottky Diodes 
    OPREA, I.; WALBER, A.; COJOCARI, O.; GIBSON, H.; ZIMMERMANN, R.; HARTNAGEL, H. L. (Oxford, 2010)
    This work reports on experimental results of a 183 GHz sub-harmonically pumped mixer based on InGaAs antiparallel diode pair. The diode structure provides extremely low parasitic capacitance of about 2.5 fF. Roughly estimated ...
  • 200 de ani de răstignire a Basarabiei 
    DULGHERU, Valeriu (Tehnica UTM, 2013)
    Românii basarabeni au urmat întotdeauna acestui îndemn. Poate acest nestăvilit dor de patrie ia făcut să reziste atâtor intemperii. Deznaţionalizaţi prin implantarea sub toate formele (inclusiv prin religie) a slavismului, ...
  • 210 ani de la întemeierea învățământului superior tehnic-ingineresc în limba română (1813-2023) 
    BORTA, Irina (Universitatea Tehnică a Moldovei, 2023)
    Onorarea strămoșilor este o datorie sacră și, în același timp, un veritabil act cultural. În istoria națiunii noastre, există pionieri al căror devotament a fost sacrificat în construirea educației și culturii. Fără muncă ...
  • 23 juin 2022 – le Conseil de l’Union Européenne a accordé à la République de Moldavie le statut de pays candidat à l’intégration dans l’UE 
    HERLEA, Alexandru Ioan (Universitatea Tehnică a Moldovei, 2022)
    Le 23 juin 2022 est une journée historique pour l’Union Européenne et pour les deux pays auxquels le Conseil de l’UE a accordé le statut de Pays candidat à l’intégration dans l’UE: l’Ukraine et la République de Moldavie. ...
  • 28 iunie 1940 – începutul tragediei plugarilor basarabeni 
    PETRENCU, Anatol (Universitatea Tehnica a Moldovei, 2020)
    La 28 iunie 1940, având susținerea Germaniei naziste, URSS a atacat România, răpindui teritorii strămoșești – Basarabia, nordul Bucovinei, Ținutul Herța. În aceste teritorii sovieticii au aplicat politici sociale, practicate ...
  • 2D/3D Heat Transport Maps of Biological Tissue in Therapeutic Hypothermia 
    COJOCARU, Victor; SIDORENKO, Anatol; VRABII, Daniel (Editura Academiei Romane, 2016)
    Strokes are an acute neurological disorder resulting from blockage of blood supply to an area of the brain or cerebral hemorrhage. Strokes are a clinical syndrome produced by brain tissue damage following ischemic events. ...
  • 3D modeling in fashion industry 
    URSACHI, Elena (Universitatea Tehnică a Moldovei, 2021)
    The development of technologies in recent years has led to the evolution of the fashion industry. 3d modeling is a new stage and will allow the preview of the final product. There are many reasons to move from paper and ...
  • 3D modeling of the Peierls transition in TTF-TCNQ organic crystals 
    ANDRONIC, Silvia (Academy of Sciences of Moldova, 2015)
    The Peierls structural transition in quasi-one-dimensional (Q1D) TTF-TCNQ organic crystals of is studied in the 3D approximation. Two the most important electron-phonon interactions are considered. The analytic expression ...
  • 3D-Printed Chemiresistive Sensor Array on Nanowire CuO/Cu2O/Cu Heterojunction Nets 
    SIEBERT, Leonard; LUPAN, Oleg; MIRABELLI, Mattia; ABABII, Nicolai; TERASA, Maik-Ivo; KAPS, Sören; CRETU, Vasilii; VAHL, Alexander; FAUPEL, Franz; ADELUNG, Rainer (American Chemical Society, 2019)
    In this work, the one-step three-dimensional (3D) printing of 20 nm nanowire (NW)-covered CuO/Cu2O/Cu microparticles (MPs) with diameters of 15–25 μm on the surface of the glass substrate forming an ordered net is successfully ...
  • 3D–2D crossover in melting transition on superconducting Mo/Si multilayers 
    FOGEL, Nina Ya.; CHERKASOVA, V. G.; RYBALCHENKO, V. N.; KORETZKAYA, O. A.; SIDORENKO, A. S. (Springer Nature Switzerland, 1996)
    Two-dimensional and three-dimensional vortex-lattice melting is observed on superconducting Mo/Si multilayers. Quasi-2D melting takes place in the range of high magnetic fields. The position of the melting transition on ...
  • 5 essential marketing concepts you should know 
    MIDONI, Denis (Universitatea Agrară de Stat din Moldova, 2022)
    The research results refer to the essential marketing concepts. The purpose of this research is to demonstrate the usefulness of these concepts.
  • 600 GHz GaAs Schottky diode mixer in split-block technology 
    SCHUR, J.; BIBER, S.; COJOCARI, O.; SCHMIDT, L.-P.; HARTNAGEL, H.-L. (IEEE, 2013)
    In this paper we present measurement results of a micro-machined split-block waveguide mixer for 600 GHz. The mixer implements a planar GaAs Schottky diode on a quartz substrate. Two different diode designs used for this ...
  • A 600GHz High Power Tripler for Space Applications 
    GIBSON, Hugh J.; COJOCARI, Oleg; OPREA, Ion; THOMAS, Bertrand; NARHI, Tapani (Oxford, 2015)
    Several recent space missions have required un-cooled receivers for radiometer use above 500GHz for atmosphere probing. These include MetOP 2nd generation meteorological satellites and Jupiter Moons JUICE spacecraft. The ...
  • 7000 de ani de Cultură Cucuteniană 
    DIACONU, Vasile (Universitatea Tehnică a Moldovei, 2022)
    O descoperire importantă a unui site Precucuteni a fost făcut recent pe şantierul arheologic de la Topoliţa, o localitate aflată la opt kilometri sud de oraşul Târgu-Neamţ, de către o echipă de arheologi din cadrul Complexului ...
  • 89 GHz Schottky detector modules for MetOp-SG 
    HOEFLE, Matthias; COJOCARI, Oleg; RICKES, Martin; SOBORNYTSKYY, Mykola; MONTERO-DE-PAZ, Javier; DECOOPMAN, Thibaut; KANTANEN, Mikko; PÉRICHAUD, Marie-Genevieve; PIIRONEN, Petri (IEEE, 2016)
    Presented is an 89 GHz waveguide coupled direct detector based on ACST low-barrier Schottky diodes. Signal-to-noise ratio (SNR) values above 35 dB within 6 dB input power dynamic are achieved with high voltage responsivity ...
  • 89 GHz zero-bias Schottky detector for direct detection radiometry in European satellite programme MetOp-SG 
    HOEFLE, M.; PENIRSCHKE, A.; COJOCARI, O.; DECOOPMAN, T.; TRIER, M.; PIIRONEN, P.; PÉRICHAUD, M. G.; JAKOBY, R. (The Institution of Engineering and Technology, 2014)
    An 89 GHz waveguide coupled direct detector based on a low-barrier Schottky diode is presented. The main focus is to reduce white and 1/f noise to achieve high signal-to-noise ratio values above 35 dB. The design also ...

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