IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole din publicaţii internaţionale by Title

Browsing Articole din publicaţii internaţionale by Title

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  • Nonlinear propagation of light in semiconductors in the presence of two-photon excitation of biexcitons 
    ROTARU, A. Kh.; TRONCHU, V. Z. (Springer Nature Switzerland, 1998)
    The steady-and nonsteady-state passage of light through a ring resonator in the presence of two-photon excitation of biexcitons from the ground state of the crystal is studied. The values of the parameters for which ...
  • Nonlinear qualities of ZnO nanostructures 
    SHVYRKOV, K.; KEDRYAVTSEV, A.; LAVROV, Sergey; SHERSTYUK, N.; MISHINA, E.; RUSU, Emil; KULYUK, Leonid (Institutul de Fizică Aplicată, 2012)
    Zinc oxide (ZnO) films and nanostructures attract increased interest of researchers due to the unique optical properties of ZnO. It has excitonic luminescence in the ultraviolet diapazon that makes it very perspective cheap ...
  • Nonlinear time-independent and time-dependent propagation of light in direct-gap semiconductors with paired excitons bound into biexcitons 
    ROTARU, A. Kh.; TRONCHU, V. Z. (Springer Nature Switzerland, 1997)
    We study a new class of nonlinear cooperative phenomena that occur when light propagates in direct-gap semiconductors. The nonlinearity here is due to a process, first discussed by A. L. Ivanov, L. V. Keldysh, and V. V. ...
  • Nonlinear transmission of supershort laser pulses by thin semiconductor films 
    COROVAI, A. V.; MANGIR, A. G.; KHADZHI, P. I. (Institutul de Fizică Aplicată, AŞM, 2018)
    Peculiarities of nonlinear nonstationary transmission (reflection) of supershort laser pulse by a thin semiconductor film, depending on the intensities, envelope shapes and widths were investigated taking into account the ...
  • Nonstandard teeth profile description and justification of precessional gear parameters selection 
    BOSTAN, I.; DULGHERU, V. (IOP Publishing, 2019)
    Teeth profiles have an important role in the efficient transformation of motion in the precessional transmissions. Multiple precessional gear theory, previously developed, did not take into consideration the influence of ...
  • Notificarea vulnerabilităților 
    BULAI, Rodica; CUCU, Eugeniu; DAVID, Eugeniu (Academia de Studii Economice din Moldova, 2018)
    This talk is about a new system that is about to be implemented by us. It will be a new approach on vulnerability monitoring that will permit to reduce the amount of work for IT professionals and will be a easy to use tool ...
  • A novel diagrammatic technique for strongly correlated electron systems 
    DOHOTARU, Leonid (Institutul de Fizică Aplicată, 2018)
    We dedicate this paper to the memory of the outstanding Moldavian scientist and remarkable person Academic Vsevolod Moskalenko, who deceased so early but whose papers and monographs left a deep trace in science, contributing ...
  • A novel diagrammatic technique for the single-site Anderson model 
    MOSKALENKO, V. A.; ENTEL, P.; DIGOR, D. F.; DOHOTARU, L. A.; CITRO, R. (Cornel Univesity, 2007)
    A diagrammatic theory around the atomic limit is proposed for the single-impurity Anderson model in which the strongly correlated impurity electrons hybridize with free (uncorrelated) conduction electrons. Using this ...
  • A Novel Electrostatic Actuator Class 
    CONRAD, H.; KAISER, B.; GAUDET, M.; LANGA, S.; STOLZ, M.; UHLIG, S.; SCHIMMANZ, K.; SCHENK, H. (ELSEVIER, 2016)
    Common quasi-static electrostatic micro actuators have significant limitations in deflection due to electrode separation and unstable drive regions. These actuators suffer from an operational instability, the so-called ...
  • A novel flood risk management approach based on future climate and land use change scenarios 
    NGUYEN, Huu Duy; NGUYEN, Quoc-Huy; DANG, Dinh Kha; VAN, Chien Pham; TRUONG, Quang Hai; PHAM, Si Dung; BUI, Quang-Thanh; PETRISOR, Alexandru-Ionut (Elsevier, 2024)
    This study aimed to develop a new approach by combining machine learning (namely the XGBoost, CatBoost, LightGBM, and ExtraTree models) and hydraulic modeling to predict the effects of climate change and LULC change on ...
  • Novel hydrogen gas sensor based on single ZnO nanorod 
    LUPAN, Oleg; CHAI, Guangyu; CHOW, Lee (ELSEVIER, 2008)
    For extensive use in an industrialized process of individual ZnO nano/microrods as building nanoblock in novel hydrogen sensors, a simple, inexpensive, and bio-safe synthesis process and nanofabrication route is required. ...
  • Novel NO2 gas sensor based on cuprous oxide thin films 
    SHISHIYANU, Sergiu T.; SHISHIYANU, Teodor S.; LUPAN, Oleg I. (ELSEVIER, 2006)
    In this paper we present the results concerning the characterization of cuprous oxide thin films fabricated by chemical deposition and rapid photothermal processing (RPP) method. The growth kinetic effects and influence ...
  • Novel phosphors based on porous materials 
    TIGINYANU, I. M.; URSAKI, V. V.; SIRBU, L.; ENAKI, M.; MONAICO, E. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2009)
    Technological conditions have been developed for the preparation of nanocomposite phosphors based on porous InP, GaP and GaAs semiconductor as well as Al2O3 and TiO2 dielectric templates doped with rare earth and transition ...
  • A novel system for systematic microwave noise and DC characterization of terahertz Schottky diodes 
    BIBER, S.; COJOCARI, O.; REHM, G.; MOTTET, B.; RODRIGUEZ-GIRONES, M.; SCHMIDT, L.-P.; HARTNAGEL, H. L. (IEEE, 2004)
    An automated system is developed to evaluate a large number Schottky diodes for terahertz applications with respect to their dc and noise characteristics using a highly sensitive noise measurement technique for one port ...
  • Novel Zinc Oxide Nanostructured thin Films for Volatile Organic Compaunds Gas Sensors 
    SHISHIYANU, T.; SHISHIYANU, S.; LUPAN, O.; SONTEA, V.; BRAGORENCO, A. (IEEE, 2006)
    Novel zinc oxide nanostructured thin films have been obtained by chemical deposition technique and rapid photothermal processing (RPP). ZnO nanostructures were studied for the development of volatile organic compounds (VOC) ...
  • Nuanţe psihologice în desfăşurarea interviului pe competenţe 
    SIMION, Simion Dănuţ (Institutul de Ştiinţe ale Educaţiei, 2019)
    There are several types of job interviews for a job and the most used interview in the last period is the competence-based interview. In a hiring interview, the HR specialist wishes to know if you are good for the company ...
  • Nucleation and growth of macro pores on (100) n-type Ge 
    LANGA, S.; CARSTENSEN, J.; TIGINYANU, I. M.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2005)
    The authors investigate the nucleation and growth of macro pores on n-type Ge in the dark and with back side illumination. We show that nucleation on Ge is strongly dependent on the surface defect structure and therefore ...
  • Numerical Analysis of the Peculiarities of Flow Rate Adjustment in Armature Vibrating Pump in Hydraulic Systems Applications 
    TURCANU, Adrian; NUCA, Ilie; MAKAL, Jarosław (IEEE, 2020)
    The paper refers to the equipment for the espresso production process and the peculiarities of hydraulic systems and pump functioning. It presents a new approach in modelling and simulation of the armature vibrating pump ...
  • Numerical and experimental investigations of micro-integrated external cavity diode lasers 
    TRONCIU, V. Z.; RADZIUNAS, M.; KÜRBIS, Ch.; WENZEL, H.; WICHT, A. (Springer Nature Switzerland, 2015)
    We report the results of numerical and experimental investigations of the electro-optical behaviour of an external cavity diode laser device composed of a semiconductor laser and a distant Bragg grating, which provides an ...
  • Numerical modelling of hydrodynamic blades and floating stability of micro hydropower station (Part 2) 
    BOSTAN, Viorel (Universitaria, 2011)
    A new design and functional concept of a hydraulic flow turbine with vertical axis and individualized orientation of the hydrodynamic blades were proposed and elaborated. In order to maximize the flowing water energy ...

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