Browsing Colecția instituțională by Title

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  • Laminated dihydrazone Zn(II) coordination polymer with prospects for sensory and multifunctional biomedical applications 
    DANILESCU, Olga; BOUROSH, Paulina; BULHAC, Ion; SHOVA, Sergiu; KRAVTSOV, Victor Ch.; CARABA, Marioara Nicoleta; CARABA, Ion Valeriu; POPESCU, Roxana; CRISAN, Manuela; HAIDU, Daniela; KULIKOVA, Olga; COSTRIUCOVA, Natalia V.; PETUHOV, Oleg (Elsevier, 2024)
    This study introduces a new laminated coordination polymer, {[Zn3(HL)2(H2O)6](SO4)2⋅1.5dmf·2.5H2O}n (1), synthesized through the direct interaction of ZnSO4·7H2O with dihydrazone Schiff base ligand (H2L = 2,6-diacetylpyridine ...
  • Lamp for outdoor lighting based on LED 
    DOROGAN, Valerian; VIERU, Tatiana; SECRIERU, Vitalie; VIERU, Stanislav; MUNTEANU, Eugen; DOROGAN, Andrei; ZAPOROJAN, Sergiu (Romanian Inventors Forum, 2016)
    The functionality of the street lamp is based on a power supply block, which permits to form the supply voltage without using high frequency transformers. The stabilization of work current assures a uniform spreading of ...
  • Lampa stradala LED 42W 
    DOROGAN, V.; SECRIERU, V.; VIERU, T.; ZAPOROJAN, S.; VIERU, S.; DOROGAN, A.; MUNTEANU, E. (Universitatea Tehnică din Cluj-Napoca, 2016)
    Lampa stradală funcţionează pe baza unui bloc de alimentare, care permite formarea tensiunii de alimentare a led-urilor fără utilizarea transformatoarelor de frecvenţă înaltă. Stabilizarea curentului de lucru asigură ...
  • Lampă LED cu eficienţă înaltă și caracteristici de performanţă sporite 
    SECRIERU, V.; MUNTEANU, E.; DOROGAN, A.; PODGORNII, D.; GORGAN, D. (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova (AGEPI), 2019)
    Invenţia are drept obiectiv iluminatul stradal eficient, cu calităţi sporite de performanţă. Domeniile de aplicaţie sunt: iluminatul stradal nocturn; iluminatul suprafeţelor mari precum parcuri, parcări. Dispozitivul este ...
  • Lanced multi-port electric network and its projective coordinates 
    PENIN, Alexandru; SIDORENKO, Anatoly (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2015)
    For an active multi-port network of direct current, as a model of distributed power supply system, the problem of recalculation of the changeable load currents is considered. Conditions of utilization of projective coordinates ...
  • Landslide susceptibility prediction using machine learning and remote sensing: Case study in Thua Thien Hue province, Vietnam 
    NGUYEN, Huu Duy; NGUYEN, Quoc Huy; VIET DU, Quan Vu; PHAM, Viet Thanh; PHAM, Le Tuan; HOANG, Thanh Van; TRUONG, Quang-Hai; BUI, Quang-Thanh; PETRISOR, Alexandru-Ionut (John Wiley & Sons Ltd, 2024)
    This study aims to assess landslide susceptibility in the Thua Thien Hue province of Vietnam using deep neural networks (DNNs) and swarm-based optimization algorithms, namely Adam, stochastic gradient descent (SGD), ...
  • Language-independent features for authorship attribution on Ukrainian texts 
    HLAVCHEVA, Yuliia; GLAVCHEV, Maksym; BOBICEV, Victoria; KANISHCHEVA, Olga (Taras Shevchenko National University of Kyiv, 2021)
    Authorship attribution is the natural language processing task of the author identification of an input text. The main goal of this task is to define the salient characteristics of documents that capture the author's writing ...
  • Lanțul de valori al sectorului pomușoare 
    ARPINTE, Svetlana (Universitatea Tehnică a Moldovei, 2023)
    Sectorul de producere a culturilor din sectorul horticol de valoare înaltă, în special al fructelor și pomușoarelor, oferă cea mai bună posibilitate pentru creșterea veniturilor în spațiile rurale. În cazul afacerilor cu ...
  • Large area etching for porous semiconductors 
    CARSTENSEN, J.; CHRISTOPHERSEN, M.; LÖLKES, S.; OSSEI-WUSU, E.; BAHR, J.; LANGA, S.; POPKIROV, G.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2005)
    While electrochemical etching of small samples in the 1 cm region is relatively easy, this is not true for large areas, i.e. standard wafer sizes up to 300 mm. The paper outlines the specific demands and difficulties in ...
  • Large Area Nb Nanolayers with Advanced Superconducting Properties as a Base for Superconducting Spintronics 
    ZDRAVKOV, Vladimir Ilich; MORARI, Roman Andreevich; SIDORENKO, Anatoli Sergeevich (Springer Nature Switzerland, 2008)
    High quality Nb nanoscale films of large area (7 × 80 mm2) and constant thickness were deposited by DC-magnetron sputtering in commercial “Leybold Z400” vacuum system. Homogeneity and proper thickness of the Nb layer ...
  • Large oscillator strength excitons in PbGa2S4 crystals 
    SYRBU, N. N.; PARVAN, V. I.; URSAKI, V. V. (ELSEVIER, 2012)
    Exciton states with a large oscillator strength (transverse–longitudinal splitting of 50meV) and binding energy of 290meV have been observed in PbGa2S4 crystals. The ground exciton states are stable up to the room temperature. ...
  • Large-Sized Nanocrystalline Ultrathin β-Ga2O 3Membranes Fabricated by Surface Charge Lithography 
    CIOBANU, Vladimir; JIN, Irina; BRANISTE, Tudor; TIGINYANU, Ion (Romanian Inventors Forum, 2022)
    Large-sized 2D semiconductor materials have gained significant attention for their fascinating properties in various applications. In this work, we demonstrate the fabrication of nanoperforated ultrathin β-Ga2O3 membranes ...
  • Large-Sized Nanocrystalline Ultrathin β-Ga2O3 Membranes Fabricated by Surface Charge Lithography 
    CIOBANU, Vladimir; CECCONE, Giacomo; JIN, Irina; BRANISTE, Tudor; YE, Fei; FUMAGALLI, Francesco; COLPO, Pascal; DUTTA, Joydeep; LINNROS, Jan; TIGINYANU, Ion (MDPI (Basel, Switzerland), 2022)
    Large-sized 2D semiconductor materials have gained significant attention for their fascinating properties in various applications. In this work, we demonstrate the fabrication of nanoperforated ultrathin β-Ga2O3 membranes ...
  • Largirea structurilor de primire turistică colective în Republica Moldova: necesitate şi realitate 
    ŢURCAN, Rina (Institutul de Relaţii Internaţionale din Moldova, 2010)
    Currently the contribution of tourism in national economy is relatively insignificant. Low quality level of accommodation capacity and the income from tourist place Moldova among the countries where tourism is poorly ...
  • Laser cu semiconductori cu rezonator aleatoriu 
    URSACHI, Veaceslav; MONAICO, Eduard; TIGHINEANU, Ion; SÎRBU, Lilian (Agenția de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2006-04-30)
    Invenţia se referă la optoelectronică, în special la lasere pe bază de semiconductori cu rezonatoare aleatorii. Laserul cu semiconductori cu rezonatoare aleatorii include o fază de emitere şi amplificare a radiaţiei ...
  • Laser spectroscopy for analysis of water on the content of toxic impurities 
    KULIKOVA, O.; SIMINEL, A.; MICU, A.; SIMINEL, N. (Institutul de Fizică Aplicată, AȘM, 2018)
    One of the main methods used to determine the concentrations of organic substances dissolved in water is fluorimetry. This method, based on the principle of calibration of the fluorescence signal of dissolved matter to the ...
  • Laserele de lumină albastră - elemente cheie pentru noile sisteme BD 
    TRONCIU, Vasile Z. (Institutul de Inginerie Electronică şi Nanotehnologii „Dumitru Ghiţu”, 2013)
    Prezenta lucrare este destinată studiului dinamicii laserelor InGaN cu absorbant de saturaţie. Au fost identificate natura bifurcaţiilor ce apar în dinamica laserului, precum şi condiţiile ce sunt necesare pentru apariţia ...
  • Lasing with guided modes in ZnO nanorods and nanowires 
    ZALAMAI, V. V.; URSAKI, V. V.; KLINGSHIRN, C.; KALT, H.; EMELCHENKO, G. A.; REDKIN, A. N. (Springer Nature Switzerland, 2009)
    A vertically arranged nearly parallel array of ZnO nanorods and randomly oriented nanowires has been grown by low pressure chemical vapor deposition (CVD) on silica substrates and on stainless steel gauze woven from a wire ...
  • The last representative of great mathematicians 
    CLEFOS, Alexandru; BEGA, Dumitru (Tehnica UTM, 2020)
    Theory of Games and Economic Behaviour is the classic work upon which modern-day game theory is based. The common elements of economic behaviour and such factors as strategy in games are presented, and the interrelated ...
  • Lattice dynamics of ZnAl2O4 and ZnGa2O4 under high pressure 
    LÓPEZ-MORENO, S.; RODRÍGUEZ-HERNÁNDEZ, P.; MUÑOZ, A.; ROMERO, A. H.; MANJÓN, F. J.; ERRANDONEA, D.; RUSU, E.; URSAKI, V. V. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2011)
    In this work we present a first-principles density functional study of the vibrational properties of ZnAl2O4 and ZnGa2O4 as function of hydrostatic pressure. Based on our previous structural characterization of these two ...

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