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Now showing items 881-900 of 2187

Applications of Chalcogenides as Electron Transport Layers and Doping Materials in Perovskite Solar Cells

POPA, M. E. (Tehnica UTM, 2019)

The work contains the experimental results obtained by applying of ZnS and ZnSe thin films in perovskite solar cells. The techniques of preparing and researching the electrical properties of the obtained devices have been ...
Luminescent Properties on ZnO:Cr Nanocrystals and Thin Layers

GOGLIDZE, T.; DEMENTIEV, I.; GONCEARENCO, E.; NEDEOGLO, N.; IURIEVA, T.; NEDEOGLO, D. (Tehnica UTM, 2019)

Both undoped and chromium doped zinc oxide nanocrystal powders are obtained by chemical deposition and hydrothermal methods. ZnO and ZnO:Cr thin layers on the surface of ZnSe and ZnSe:Cr samples, respectively, are obtained ...
DNA Hybridization Detection Using Microwave Resonators

DRAGOMAN, Mircea; CISMARU, Alina; RADOI, Antonio; DRAGOMAN, Daniela (Tehnica UTM, 2013)

The unhybridized and hybridized states of the DNA ( ss DNA and ds DNA) are detected using a miniaturized electromagnetic band gap microwave resonator. The two DNA states are detected unambiguously using a maximum frequency ...
Photoplastic and photoinduced effects in amorphous As2Se3:Snx thin films

HAREA, D. V.; HAREA, E. E.; COLOMEICO, E. P.; IOVU, M. S. (Tehnica UTM, 2013)

The mechanical characteristics of amorphous As2Se3:Sn prepared by thermal evaporation in vacuum on glass substrates heated at Tsubstr = 100 oC are investigated. It was established that the hardness H of amorphous thin films ...
Promotion of Nuclear and Radiation Security Education in Technical University of Moldova

BUZDUGAN, A.; RAILEAN, S.; SONTEA, V. (Tehnica UTM, 2015)

The Republic of Moldova is one of the countries that have not nuclear industry. Therefore, the radiological security culture is considered paramount. This applies equally to graduates of the Technical University of Moldova, ...
Nuclear and Radiological Activities Regulation in Moldova

BOLD, V. (Tehnica UTM, 2015)

National Agency for Regulation of Nuclear and Radiological Activities (National Agency) is an administrative authority established by the Government under the Ministry of Environment with the status of legal entity of ...
Numerical Estimation of the Radiation Hardness of Bipolar Integrated Circuits in Various Irradiation Conditions of Space Environment

BAKERENKOV, A. S.; PERSHENKOV, V. S.; RODIN, A. S.; FELITSYN, V. A.; MIROSHNICHENKO, A. G. (Tehnica UTM, 2015)

The conversion model of low dose rate effect in bipolar devices was used for numerical simulation of total dose effects in bipolar devices for various radiation conditions of space environment. The numerical simulation was ...
Portal Monitor for Human Body Alpha-Radioactive Contamination Control

SAMOTAEV, N.; GURKOVSKIY, B.; MIROSHNICHENKO, V.; ONISCHENKO, E.; SIMAKOV, A. (Tehnica UTM, 2015)

The method and device described in this report provides the reliable fast detection of alpha-particles at a distance from the radiation source significantly longer than the alpha-particle run in air by measuring the ions ...
Methods for the Self Calibration of Ion Mobility Spectrometer

VASILYEV, V.; PERSHENKOV, V.; SAMOTAEV, N.; BELYAKOV, V.; GOLOVIN, A.; MALKIN, E.; GROMOV, E.; IVANOV, I.; SHALTAEVA, Y.; LIPATOV, D. (Tehnica UTM, 2015)

In transport systems like airports, subway or railway stations widely used ion mobility spectrometers for hazardous toxic gases or explosives traces detection. At the present time ion mobility spectrometers use ionization ...
Effects of Electromagnetic Field on Human’s Health – A Short Review

GUBCEAC, N.; VOVC, V.; LAZAR, G. (Tehnica UTM, 2015)

Nowadays, a lot of scientific publications are focused on the effects of electromagnetic field on environment. Especially during the last years has been intensively studied the influence of radiofrequency electromagnetic ...
Strengthen of the Infrastructure for Radiation Safety as a Result of Implementing the European Union Directives

SIDORENCU, A.; VASILIEVA, N. (Tehnica UTM, 2015)

The purpose of this paper is to analyze the radiation safety infrastructure for compliance with the European Union Directives.
Experimental Equipment for Extraction of ELDRS Conversion Model Parameters and its Application for Estimation of Radiation Effects in Bipolar Devices

BAKERENKOV, A. S. (Tehnica UTM, 2015)

Experimental equipment for extraction of ELDRS conversion model parameters was described. The equipment involves measure device with three voltage sources, three current sensors, one voltmeter and two relay switch-boards. ...
The Circuit Method for Decreasing of Sensitivity to ASET Effect for Bipolar Operational Amplifiers

LEBEDEV, A. A.; FELITSYN, V. A.; KOMLEVA, V. A.; KOMLEV, A. A. (Tehnica UTM, 2015)

The schematic method for increasing of radiation hardness of bipolar operational amplifiers for ASET effects is presented. The method is based on the use of improved current mirror and modified input stage circuit.
Theoretical Investigations of Nano-sensors for Radiation Processes

MARSAGISHVILI, T.; MACHAVARIANI, M.; TATISHVILI, G.; KHOSITASHVILI, R.; TSKHAKAIA, E.; ANANIASHVILI, N.; METREVELI, J.; KIKABIDZE-GACHECHILADZE, M. (Tehnica UTM, 2015)

This work is continuation of the works carried out in frames of international project GR 77. Theoretical and experimental investigations of some types of nano-sensors for biological objects were conducted in these works.
Ion Mobility Spectrometer for Rapid Simultaneous Detection of Positive and Negative Ions

VASILYEV, V.; PERSHENKOV, V.; BELYAKOV, V.; SAMOTAEV, N.; GOLOVIN, A.; MALKIN, E.; GROMOV, E.; IVANOV, I.; MATUSKO, M.; IVANOVA, A.; LIPATOV, D. (Tehnica UTM, 2015)

Ion Mobility Spectrometry (IMS) is a common technology used for rapid detection of trace amounts of explosives (mostly forming negative ions) and drugs (forming positive ions). Emergency chemically hazardous substances ...
Nuclear Safeguards System Implementation in the Republic of Moldova

MURSA, E.; BUZDUGZN, A. (Tehnica UTM, 2015)

Strengthening the multilateral system of Nuclear Safeguards by the International Atomic Energy Agency (IAEA), imposed by the increasing cross-border illicit trafficking of nuclear material has led Republic of Moldova to ...
Cyber Security in the Nuclear and Radiological Domain: Case Study of Republic of Moldova

BUZDUGAN, A. A.; BUZDUGAN, A. I. (Tehnica UTM, 2015)

In this paper we will reflect upon the importance of cyber security in the functioning of physical security systems in nuclear/radiological entities, as well as the corresponding changes that are foreseen in the process ...
Nuclear Security as an Ongoing International Process

GERLINI, M. (Tehnica UTM, 2015)

The paper focuses on the Nuclear Security Summit process and its implication toward an expected world Nuclear Security regime, which shall involve medical facilities as well. It is based on communiqués and on the joint ...
Biomedical Engineering Education in Georgia: Experience And Challenges

GOTSIRIDZE, I. (Tehnica UTM, 2015)

Biomedical Engineering Education was established at Georgian Technical University in 1983.department has produced more than 350 professionals who were successfully employed in the field. Biomedical Engineering department ...
Design and Content of Biomedical Curriculum for Biomedical Engineering Master’s Program in the Republic of Moldova

VOVC, V.; LOZOVANU, S.; GANENCO, A.; CIOBANU, N. (Tehnica UTM, 2015)

This article presents the design and content of biomedical disciplines included in biomedical engineering master’s program for universities of the Republic of Moldova. The biomedical curriculum of the biomedical education ...

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