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  • Viability and stability of fungi isolated from lake La izvor after lyophilization 
    SÎRBU, Tamara; MOLDOVAN, Cristina; ȚURCAN, Olga (Consiliul Județean Bacău, 2022)
    Lyophilization is one of the safest and most durable methods of preservation of the viability and stability of the biological properties of microorganisms. Twenty strains of aquatic fungi, representatives of the genera: ...
  • Viability and stability of lyophilized micromycetes in the presence of Cu and ZnO nanoparticles 
    SIRBU, T.; TURCAN, O.; TIMUS, I. (Institute of Microbiology and Biotechnology, Republic of Moldova, 2022)
    This material presents the results obtained in the study of the viability and stability of 20 micromycetes from the genera Aspergillus, Trichoderma, Penicillium lyophilized in the presence of Cu NPs and ZnO NPs. Morpho-cultural ...
  • The viability of Bacillus, Pseudomonas and lactic acid bacteria strains after 15 years of storage 
    BOGDAN-GOLUBI, N.; SLANINA, N. (Institute of Microbiology and Biotechnology, Republic of Moldova, 2022)
    The aim of the research was to check the viability and stability of the pure strains of Bacillus sp., Pseudomonas sp. and lactic acid bacteria strains a 15-year storage.
  • Viability of Streptomyces strains and its variants after freeze-drying in CNMN 
    BÎRSA, Maxim; BURȚEVA, Svetlana; CEBOTARI, Victoria (Moldova State University, 2022)
    Thus, freeze-drying of microbial strains is one of the most sustainable methods, but it requires the greatest manpower, special equipment and trained personnel. Thus, the purpose of the research was to evaluate the viability ...
  • Viața monumentelor de arhitectură - adevăr istoric reflectat prin pictură 
    MUNTEANU, Angela; IVANOV, Valeriu (Tehnica UTM, 2018)
    Landscape architecture is a key issue addressed by painters in time and space. Thus, image building or architectural elements are reflected in a variety of compositions such portrait or landscape. It's primarily about ...
  • Viaţa monahală în eparhia Huşilor studiu de caz: schitul Dobruşa 
    CLIT, Costin (Tehnica UTM, 2013)
    Huşi diocese was founded in 1598 by Ieremia Movilă (1596-1600; 1600-1607), while his brother was the Metropolitan of Moldova, Gheorghe Movilă (1591; 1595-1600; 1600- 1605). Regarding causes of founding Huşi diocese, is ...
  • Vibration effects in the process of dynamic compaction of fresh concrete and stabilized earth 
    BORDOS, Ruslan; BRĂGUŢA, Eugeniu; DOHMILĂ, Iurie (Tehnica UTM, 2018)
    Vibration effects are presented in the compaction of fresh concrete and stabilized earth. Thus, stabilized by compacting earth under a forced vibration dynamic relations were established for calculating the modulus of ...
  • The vibration modes of a viaduct made of reinforced concrete beams 
    RAILEAN, Alexandru (Tehnica UTM, 2018)
    Dynamic modeling aims to analyze the behavior of the viaduct to external dynamic actions from road traffic or seismic movements. In the context, two case studies of rigid elastomer supports with structural symmetries that ...
  • Vibration monitoring of the ring spinning 
    HANGANU, L. C.; VÎLCU, Maria; HAGIU, Gh. (Editura U.T.M., 2004)
    One of the most important parameters of the ring spinning is the yarn tension. It must be permanently controlled, since any increase of its value above a certain limit is the cause of an end/down. In order to measure this ...
  • Vibration on the turbo-generator at the small power plant 
    OPREA, D. (Tehnical University of Moldova, 2013)
    All rotating equipment vibrates to some degree, but as older bearings and components reach the end of their product life, they begin to vibrate more dramatically and in distinct ways. Ongoing monitoring of equipment allows ...
  • Vibrational and Polariton Spectra of CdGa2S4 and CdAl2S4 Crystals 
    SYRBU, N. N.; NEMERENCO, L. L.; COJOCARU, O. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2002)
    In this work the vibrational and polariton optical spectra of the CdGa2S4 and CdAl2S4 crystals grown from vapor phase and by the Bridgman method have been investigated. The light scattering by polaritons excited of various ...
  • Vibrational modes in ZnAl2S4 and CdIn2S4 crystals 
    SYRBU, N. N.; BOGDANASH, M.; MOLDOVYAN, N. A. (Elservier, 1996)
    Infrared reflectivity spectra and Raman scattering of the ZnAl2S4 and CdIn2S4 crystals have been investigated. Reflectivity spectra contours were calculated and phonon parameters and dielectric constants were determined. ...
  • Vibrational modes of CuAl/sub 1-x/Ga/sub x/Se/sub 2/ solid solution 
    SYRBU, N. N.; BOGDANASH, M.; TEZLEVAN, V. E. (IEEE, 1996)
    In the present paper new results of Raman scattering of CuAl/sub 1-x/Ga/sub x/Se/sub 2/ crystals by the unpolarized light at 77 K are presented. IR reflectivity spectra of this solid solution have been investigated for ...
  • Vibrational properties of CdGa2S4 
    NEUMANN, H.; SOBOTTA, H.; RIEDE, V.; SYRBU, N. N.; RADAUTSAN, S. I. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1984)
    Polarization-dependent infrared reflectivity spectra of CdGa2S4 are measured at 300 K in the wavenumber range from 180 to 500 cm−1. The analysis of the spectra yields three E and four B modes in this frequency range. The ...
  • Vibrational properties of CdGa2S4 at high pressure 
    GALLEGO-PARRA, S.; GOMIS, O.; VILAPLANA, R.; ORTIZ, H. M.; PÉREZ-GONZÁLEZ, E.; LUNA, R.; RODRÍGUEZ-HERNÁNDEZ, P.; MUÑOZ, A.; URSAKI, V. V.; TIGINYANU, I. M.; MANJÓN, F. J. (AIP Publishing LLC, 2019)
    Raman scattering measurements have been performed in cadmium digallium sulphide (CdGa2S4) with defect chalcopyrite structure up to 25 GPa in order to study its pressure-induced phase transitions. These measurements have ...
  • Vibrational study of HgGa2S4 under high pressure 
    VILAPLANA, R.; ROBLEDILLO, M.; GOMIS, O.; SANS, J. A.; MANJÓN, F. J.; PÉREZ-GONZÁLEZ, E.; RODRÍGUEZ-HERNÁNDEZ, P.; MUÑOZ, A.; TIGINYANU, I. M.; URSAKI, V. V. (American Institute of Physics, 2013)
    In this work, we report on high-pressure Raman scattering measurements in mercury digallium sulfide (HgGa2S4) with defect chalcopyrite structure that have been complemented with lattice dynamics ab initio calculations. Our ...
  • Vibrații transmise clădirilor 
    SPÂNU (ȘTEFAN), Gianina Cornelia (Universitatea Tehnică a Moldovei, 2016)
    Vibration is one of the main causes for which a structure may suffer in various ways, the most serious being impairment the integrity and health of building occupants and its entirely destruction (or destroying it such ...
  • Vibroacoustical diagnosis of planetary precessional kinematical transmission 
    MALCOCI, Iu.; BODNARIUC, I. (Technical University of Moldova, 2016)
    An ideal dynamical system should not generate any vibrations, because vibrations mean a loss of energy. Vibration in planetary precessional gear box occurs at bearings, gear wheels, misaligned shafts, imbalance rotating ...
  • Vibroacoustical diagnosis of planetary precessional kinematical transmission 
    MALCOCI, Iu.; BODNARIUC, I. (IOP Publishing, 2016)
    An ideal dynamical system should not generate any vibrations, because vibrations mean a loss of energy. Vibration in planetary precessional gear box occurs at bearings, gear wheels, misaligned shafts, imbalance rotating ...
  • Vibroacoustical Diagnosis of Planetary Precessional Kinematical Transmission (Part 1) 
    MALCOCI, Iulian; BODNARIUC, Ion (Trans Tech Publications Ltd, 2015)
    An ideal dynamical system should not generate any vibrations, because vibrations mean a loss of energy. Vibration in planetary precessional gear box occurs at bearings, gear wheels, misaligned shafts, imbalance rotating ...

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