Browsing 2019 by Title

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  • Mössbauer Effect in 57Fe-doped Gallium Antimonide 
    MIHALACHE, A. (Tehnica UTM, 2019)
    The work offers for discussion the results of investigations of absorption spectra (gamma-ray nuclear resonance) of gallium antimonide doped with 57Fe isotope in the concentration range of the atomic mass of 1–3%, within ...
  • Multifocal Repetitive Transcranial Magnetic Stimulation – a Novel Paradigm in Migraine Treatment 
    LEAHU, P.; GROPPA, S. A.; BANGE, M.; SCHEITER, S.; CIOLAC, D.; CHIRUMAMILLA, V. C.; MUTHURAMAN, M.; GROPPA, S. (Tehnica UTM, 2019)
    Transcranial Magnetic Stimulation (TMS) is a non-invasive brain stimulation method used for analyzing structural and functional interactions in brain, assess cortical reactivity, and map functionally relevant brain regions ...
  • Nanosensors: Current Status and Perspectives 
    LUPAN, O. I.; CHOW, L.; ADELUNG, R. (Tehnica UTM, 2019)
    Nanosensors play a great role in the world of nanotechnology and are demanded nowadays due to miniaturization of electronic devices in many countries for development of faster portable diagnostics techniques or sensing ...
  • Nanostructured Organic Crystals as Prospective Thermoelectric Materials for Infrared Sensor 
    SANDULEAC, I. I.; ANDRONIC, S. C.; CASIAN, A. I. (Tehnica UTM, 2019)
    In this paper we investigate the prospective of use of some nanostructured organic crystals as efficient thermoelectric material for infrared biosensors. Nowadays, the infrared sensors are widely implemented in thermal ...
  • Nanotechnological Aspects at Electro-activation of Secondary Dairy Products 
    VRABIE, E. G.; BOLOGA, M. K.; PALADII, I. V.; VRABIE, V. G.; POLICARPOV, A.; GONCIARUC, V.; SPRINCEAN, C. Gh.; STEPURINA, T. (Tehnica UTM, 2019)
    The study of the electro-activation processing of whey, with the recovery of the PMCs and simultaneous isomerization of lactose into lactulose, reveals the necessity of certain technical requirements in order to ensure ...
  • National Nuclear Security Support Centre and Non- Proliferation of Weapon of Mass Destruction 
    BUZDUGAN, Ar.; ȚURCANU, A. (Tehnica UTM, 2019)
    The paper reviews the need of customs control for dual-use goods and services, including those that belong to medicine, pharmaceuticals, and micro-nanoelectronics. In this regard, a project is ongoing in the Republic of ...
  • Near-edge Optical Properties of Layered Tin Sulfide (Selenide) Crystals 
    ZALAMAI, V. V.; TIRON, A. V.; RUSU, E. V.; MONAICO, E. V.; SYRBU, N. N. (Tehnica UTM, 2019)
    Absorption (K), reflection (R) and wavelength modulated transmission (ΔT/Δλ) spectra in SnS, SnS2 and SnSe crystals were investigated in temperature range from 300 to 10 K. Excitonic states were discovered in all investigated ...
  • New Areas of Research and Applications for GaN 
    TIGINYANU, Ion (Tehnica UTM, 2019)
    Gallium nitride, a wide-bandgap semiconductor compound (Eg = 3.4 eV at 300 K), has in the last two decades registered a fascinating increase in the crystalline quality of epitaxial layers determining its leading role in ...
  • A Novel Nanocomposite (SR/HA/-nZnO) Material for Medical Application 
    MAJDI, H. Sh.; SAUD, A. N.; Al-MAMOORI, M. H. (Tehnica UTM, 2019)
    In this work, hydroxyapatite synthesized by sol-gel technique. Ca(NO3)2.4H2O and (NH4)2HPO4 used as precursors, and nano ZnO was prepared and modify the surface using Oleic acid to get uniform distribution Within the matrix ...
  • Optical Activity in Mn Doped As2S3 Glasses 
    ZALAMAI, V. V.; TIRON, A. V.; IOVU, M. S.; SYRBU, N. N. (Tehnica UTM, 2019)
    Spectral dependences of transmittance (T) and wavelength modulated transmittance (ΔT/Δλ) of As2S3 layers doped by manganese (Mn) of different concentrations (0–0.5%) were investigated at temperatures from 10 to 300 K. ...
  • An Optimal Path Planning Proposal for Motion Robots with Specific Constraints Applicable in Biomedical Engineering 
    CORCIOVĂ, C.; TURNEA, M.; GHEORGHIŢĂ, A.; AROTĂRIŢEI, D. (Tehnica UTM, 2019)
    Optimal path planning for motion robots is an interesting research subject with many applications in various domains including biomedical applications when a mobile robot can distribute medication for patients. A fuzzy ...
  • Packing Conditions of Optical Separated CsI:Tl Scintillator by Silicon Collimator 
    OHTAKE, R.; TABATA, K.; NISHIZAWA, J.; KOIKE, A.; AOKI, T. (Tehnica UTM, 2019)
    We have been developing a scintillator type X-ray imaging detector. The spatial resolution of this type detector is lower than that of direct conversion type detectors. This is because X-ray scintillation light spreads in ...
  • Peculiarities of Surface Relief Grating Formation in Nanomultilayer Structures Based on As2S3-Se Chalcogenide Glasses 
    MESHALKIN, A.; PAIUK, O.; ACHIMOVA, E.; STRONSKI, A.; ABASKIN, V.; PRISACAR, A.; TRIDUH, G.; KORCHOVYI, A.; OLEKSENKO, P. (Tehnica UTM, 2019)
    Chalcogenide glasses nanomultilayer structures based on As2S3-Se were used for direct surface relief grating (SRG) formation by holographic recording. Grating recording process in As2S3-Se nanomultilayer structure for ...
  • Peierls Structural Transition in Organic Crystals of TTT2I3 with Intermediate Carrier Concentration 
    ANDRONIC, S. C.; SANDULEAC, I. I.; CASIAN, A. I. (Tehnica UTM, 2019)
    The Peierls structural transition in the nanostructured tetrathiotetracene-iodide crystal with intermediate carrier concentration is studied in 2D approximation. In the frame of the physical model, two the most important ...
  • Phenomena of Radiative Recombination in Single Crystals of Cadmium Thiogallate with Cadmium (CdGa2S4:Cd) or Sulfur (CdGa2S4:S) Excess 
    ARAMA, E.; PANTEA, V.; SHEMYAKOVA, T.; VOVC, V. (Tehnica UTM, 2019)
    The experimental results related to the influence of non-stoichiometry on the emission spectra of CdGa2S4 single crystals exited by accelerated electrons are presented. Cadmium thiogallate single crystals with the excess ...
  • Photocatalytic Degradation of Methylene Blue with Composite NanocrystallineTiO2+diatomite 
    DATSKO, T. Ya.; ZELENTSOV, V. I.; DVORNIKOV, D. P. (Tehnica UTM, 2019)
    In this study photocatalytic activity of the prepared nano-sized TiO2-based composite was tested by decolorisation/degradation of Methylene blue (MB) as a model pollutant under UV illumination. The composite was synthesized ...
  • Polarization Holographic Recording on Photosensitive Polymers 
    ACHIMOVA, E.; ABASKIN, V.; MESHALKIN, A.; PRISACAR, A.; LOGHINA, L.; VLCEK, M.; YAKOVLEVA, A. (Tehnica UTM, 2019)
    In this paper we report on direct holographic recording of surface relief gratings in carbazole-based polymers. Evolution of the transmittance spectrum and diffraction efficiency upon irradiation with 532 nm laser light ...
  • Polarization Tomography of Synovial Fluids Polycrystalline Layers 
    PROTSIUK, V. V.; VASIYK, V. L.; VASYLCHISHYN, Y. M.; USHENKO, O. G.; SHAPLAVSKIY, M. V.; BODNAR, O. B.; DUBOLAZOV, A. V.; USHENKO, Yu. O.; TOMKA, Yu. Ya. (Tehnica UTM, 2019)
    The experimental and diagnostic capabilities of the polarization tomography method of linear birefringence distributions of polycrystalline films of the synovial fluid of a human joint in the differentiation of its ...
  • Polysaccharide (Nano)Composites (Invited) 
    HARABAGIU, V.; ROTARU, R.; HUMELNICU, A. C. (Tehnica UTM, 2019)
    The last decades, polysaccharides are more and more investigated either as biodegradable and biocompatible matrices for drug delivery and for tissue engineering systems or as renewable substitutes of synthetic polymers ...
  • Portable Campimeter to Evaluate Visual Field Modifications of Subjects with Low Vision State 
    BARITZ, M. I.; APOSTOAIE, M. G.; LAZAR, A. M. (Tehnica UTM, 2019)
    The low vision state that can be installed at the visual function level causes a change in a series of important visual system parameters, as well as a decrease in the quality of life of human subjects. Mostly, lowering ...

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