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2019
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Recent submissions

2019: Recent submissions

Now showing items 1-20 of 173

“True” Dose Rate Effect of the ELDRS Conversion Model

PERSHENKOV, V. S.; BAKERENKOV, A. S.; TELETS, V. A.; BELYAKOV, V. V.; FELITSYN, V. A.; RODIN, A. S. (Tehnica UTM, 2019)

Modification of the ELDRS (Enhanced Low Dose Rate Sensitivity) conversion model is presented. The effect of the oxide trapped charge on the value of the oxide electric field and the yield of the oxide charge takes into ...
Evaluation of Radiation Hardness of the Bipolar Devices in the Space Conditions

RODIN, A. S.; BAKERENKOV, A. S.; FELITSYN, V. A.; PERSHENKOV, V. S.; TELETS, V. A. (Tehnica UTM, 2019)

Real time dependence of operation temperature, which is typical for space environment, was taken into account in the numerical simulation of radiation degradation of LM111 bipolar voltage comparator input current. The ...
Assessing the Safety of Using Incubators for Newborns

PISLARU, C.; SONTEA, V.; RAILEAN, S. (Tehnica UTM, 2019)

This paper presents an analysis of the risks of using the incubator for newborns. In order to use the incubator safely, we must evaluate the risks related to its use, to identify how the patient will be influenced in ...
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 ...
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 ...
Elastic Coupling at Epitaxial Multiferroic Interfaces: in situ X-ray Studies of Electric Field Induced Strain

KOOPS, C. T.; HRKAC, S. B.; ABES, M.; JORDT, P.; STETTNER, J.; PETRARU, A.; KOHLSTEDT, H.; HRKAC, V.; WOLFF, N.; KIENLE, L.; SEECK, O. H.; NISBET, G.; MAGNUSSEN, O. M.; MURPHY, B. M. (Tehnica UTM, 2019)

The elastic coupling in multiferroic materials and even more so in magnetoelectric composites plays an important role for the properties and function. In this study, the electrically induced strain at the epitaxial interface ...
Superconductivity and Weak Ferromagnetism in Inclination Bicrystal Interfaces of Bismuth and Antimony

MUNTYANU, F. M.; NENKOV, K.; ZALESKI, A. J.; CHISTOL, V. (Tehnica UTM, 2019)

Using Quantum Design SQUID magnetometer and Physical Property Measuring System (PPMS), we studied the magnetic and superconducting properties of high-quality inclination crystallite interfaces (CIs) of bicrystals of Sb and ...
Exploitation of Ultra-porous Aerogalnite for Microwave Electromagnetic Interference Shielding

ALDRIGO, M.; DRAGOMAN, M.; BRANISTE, T.; IORDANESCU, S.; RAEVSCHI, S.; SHREE, S.; ADELUNG, R.; TIGINYANU, I. (Tehnica UTM, 2019)

In this paper, we present the electromagnetic interference shielding properties of an ultra-porous and ultra-light GaN-based nanomaterial, which we will refer to with aeroGaN. The importance of the so-called X-band (8.2-12.4 ...
Mimicking Brain Activities: Artificial Synapses and Learning Using GaN Membranes

DRAGOMAN, L.; DINESCU, A.; DRAGOMAN, D.; BRANISTE, T.; CIOBANU, V.; TIGINYANU, I. (Tehnica UTM, 2019)

We show experimentally that ultrathin GaN membranes, having the thickness of 15 nm and planar dimensions of 12 184 m2, are acting as memristive devices which are the anologue of brain sysnapses. The memristive behavior ...
Influence of the Growth Temperature on the Properties of the Transparent and Conductive NiO Thin Films Obtained by RF Magnetron Sputtering

GHIMPU, L.; SUMAN, V.; RUSNAC, D. (Tehnica UTM, 2019)

Transparent and conductive nickel oxide (NiO) thin films were deposited on the glass supports by magnetron pulverization (RF). The NiO thin films were investigated by X-ray diffraction (XRD), scanning electron microscopy ...
Revision of the Curriculum on Nuclear Safety and Security in the Light of Recent International Recommendations

BUZDUGAN, Ar.; BUZDUGAN, Au. (Tehnica UTM, 2019)

The University is the place where it is necessary to further develop the foundations of what we have come to call the general culture. The issue of non-proliferation is not studied as a special discipline at any University ...
Spectral and Dynamical Characterization of Multiexcitons in CdSe/CdS/CdZnS Colloidal Quantum Dots

PAVLENKO, V. I.; BELOUSSOV, I. V.; DOBYNDE, I. I.; OZOL, D. I. (Tehnica UTM, 2019)

The time-resolved photoluminescence triggered by a ∼30 ps long exciting pulse centered at the time 154 ps was investigated. The use of long pulses allows one not only to trace the decay of multi-exciton complexes, but also ...
Li2B4O7 for Thermoluminescent Dosimetry: A New Life of an Old Material

DANILKIN, M. I.; VERESCHAGINA, N. Yu.; SELYUKOV, A. S.; OZOL, D. I. (Tehnica UTM, 2019)

The effect of doping conditions on the properties of Li2B4O7-based thermoluminescent materials is studied. It is shown that suppression of Mn clustering improves the linearity of the radiation dose response. Moreover, the ...
Integral Estimate of LSI Radiation Hardness as a Fuzzy Number of Multiplicity of Nodes

BARBASHOV, V. M.; TRUSHKIN, N. S.; OSIPOV, A. K. (Tehnica UTM, 2019)

The analysis of the LSI behavior under radiation exposure at functional and logical level of description was carried out. It is shown that there are deterministic and non- deterministic failures typical when exposed to ...
Functional and Morphological Correlations in Prolonged Otitis Media in Childhood

DIACOVA, S.; ABABII, I.; DANILOV, L.; MANIUC, M.; ABABII, P.; GAVRILUTA, V.; LEVCENCO, A. (Tehnica UTM, 2019)

Children with persistent OM with effusion and recurrent acute OM were examined by impedance audiometry, brainstem evoked response audiometry, registration of oto- acoustical emissions, pneumatic otoscopy, otomicroscopy, ...
Electro-acoustical Examination in Noninvasive Monitoring as a Basis for Treatment Selection

DIACOVA, S. (Tehnica UTM, 2019)

The purpose of this article is to determine the role of the noninvasive electro-acoustical examinations in treatment modality selection in prolonged otitis media forms. Impedance audiometry, brainstem evoked response ...
Surface Enhanced Raman Spectroscopy of Organic Molecules Adsorbed on Silvered Porous Silicon Covered with Graphene

MAMATKULOV, K.; ARZUMANYAN, G.; VOROBYEVA, M.; BANDARENKA, H.; ZAVATSKI, S.; KHINEVICH, N. (Tehnica UTM, 2019)

We registered surface enhanced Raman scattering (SERS) spectra of human lactoferrin molecules adsorbed on a silvered porous silicon from 10-6 –10-18 M solutions. It was found that porous silicon template causes negative ...
Mechanical and Wetting Properties of Three-Dimensional Flexible Tetrapodal ZnO Networks ALD-coated with Al2O3

GAPEEVA, A.; BODDULURI, M. T.; KAPS, S.; RASCH, F.; WAGNER, B.; ADELUNG, R.; LUPAN, O. (Tehnica UTM, 2019)

Nano- and microscale tetrapodal shaped ZnO particles (T-ZnO) are considered to be truly multi-functional and have a tremendous potential for a large variety of applications ranging from gas/vapor sensors to biomedical ...
Scattering Indicatrix for Absorbing Porous Medium with Dark Modes

SERGENTU, V. V.; MONAICO, E. V.; URSAKI, V. V. (Tehnica UTM, 2019)

A mathematical model for calculation of the scattered radiation by a highly absorbing porous medium with dark modes is proposed. The contribution of the scattered light from two areas with the same slope was taken into ...
Assessment of Human Tissue Transplantation Activities in the Republic of Moldova

TIMBALARI, T.; CODREANU, I.; LOZAN, O.; NACU, V. (Tehnica UTM, 2019)

The assessment of human tissue transplantation activities in the Republic of Moldova highlights the tissue transplant service as a component part of the national transplant system in the Republic of Moldova. Strengthening ...

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