UTM: Recent submissions

  • New organic luminophore compounds-polymer nanocomposites: technology and absorbance 
    VERLAN, V.; IOVU, M.; CULEAC, I.; POPUSHOI, A.; DRAGALINA, G.; ROBU, S.; BARBĂ, N.; MALAHOV, L. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2010)
    New light-emitting layers of nanocomposites on polymer base have been obtained. As polymeric matrices the copolymers of styrene and butilmetacrylate in the ratio (1:1) have been used. As organic luminophore compounds from ...
  • New luminescent compounds based on chalcogenides and organic materials 
    IOVU, M. S.; ANDRIESH, A. M.; VERLAN, V. I.; BUZURNIUC, S. A.; CULEAC, I. P.; NISTOR, YU. H.; ZUBAREVA, V. (National Institute of Optoelectronics, Romania, 2009)
    Data concerning fabrication and luminescent properties of new composite materials on the base of organic coordination compounds of Eu(III) (Eu(TTA)3H2O, Eu(TTA)3Phen or Eu(DBM)3Phen dispersed in SBMA copolymer are presented. ...
  • New composite materials for optoelectronic applications 
    IOVU, M. S.; BUZURNIUC, S. A.; VERLAN, V. I.; CULEAC, I. P.; NISTOR, Yu. H. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2009)
    The problem of obtaining low cost but efficient luminescent materials is still actually. Data concerning fabrication and luminescent properties of new composite materials on the base of thenoyltrifluoroacetone (TTA) of ...
  • The study of some luminescent materials on the basis of organic copolymers grafted with isothiocyanatochalcones and phthalocyanine derivatives 
    ROBU, Şt.; DRAGALINA, G.; POPUŞOI, A.; MITCOV, D.; BARBĂ, N.; ANDRIEŞ, A.; CULEAC, I.; IOVU, M.; NISTOR, Iu. (Institutul de Fizică Aplicată al AŞM, 2010)
    Novel polymeric materials grafted with chalcone and phthalocyanine derivatives were synthesized and their luminescent properties were investigated.
  • Managing the luminescence efficiency of the organic compounds of europium(III) through preparation technology 
    BORDIAN, Olga; VERLAN, Victor; CULEAC, Ion; BULHAC, Ion; ZUBAREV, Vera (SPIE, Society of Photo-Optical Instrumentation Engineers, 2020)
    A series of coordination organic compounds based on the trivalent Eu3+ ion were synthesized and optimized: Eu(o-MBA)3phen, Eu(DBM)3(Ph3PO)1•H2O and Eu(TTA)3(Ph3PO)2. The efficiency of the photoluminescence (PL) emission ...
  • Luminophore organic nanocomposites on the base of polymer and isothiocianatohalconic compounds 
    VERLAN, V.; ANDRIESH, A.; IOVU, M.; BORDIAN, O.; BUZURNIUC, S.; NISTOR, Yu.; CULEAC, I.; POPUŞOI, A.; DRAGALIN, G.; BARBĂ, N. (Institutul de Fizică Aplicată al AŞM, 2012)
    The paper presents the results of technology for obtaining nanocomposite thin layers (NC) of organic luminophore compounds (OLC), particularly, those prepared by the sol-gel method.
  • Kinetics of photoinduced absorption in chalcogenide-glass fibers 
    ANDRIESH, A. M.; BINCHEVICI, V. A.; COPACI, T. N.; CULEAC, I. P.; ENACHI, N. A.; LOGHIN, V. M. (SPIE, Society of Photo-Optical Instrumentation Engineers, 1995)
    Experimental and theoretical results are presented for the kinetics of photoinduced absorption in chalcogenide glass fibres. Photoinduced absorption measurements were carried out both at room temperature as well as at ...
  • IR sensing by fiber-optic speckle based interferometer 
    CULEAC, I. P.; NISTOR, Iu. H.; ANDRIESH, A. M.; IOVU, M. S.; ZAGONENCO, V. F. (Institutul de Fizică Aplicată al AŞM, 2012)
    In the previous papers we presented a speckle-based fiber optic method for registration of low intensity infrared radiation, which is based on the interference of propagation modes in the far field of a multimode fiber. ...
  • The influence of distillation methods on the flavor profile and quality indices of wine brandies 
    BALANUŢA, Anatol; COVACI, Ecaterina; SCLIFOS, Aliona (Technical University of Moldova, 2021)
    The article examines the geographical area delimited for the production of the Divine and the specific characteristics and physical-geographical conditions of the Călărași vineyard through the prism of different methods ...
  • Pastries with functional Spirulina platensis ingredients 
    BANTEA-ZAGAREANU, Valentina; GUREV, Angela; DRAGANCEA, Veronica; DODON, Adelina (Technical University of Moldova, 2021)
    The aim of the research is to develop new bakery products with increased functional value by adding ingredients from the biomass of Spirulina platensis. High quality wheat flour (P1), oatmeal (P2) and whole wheat flour ...
  • Effects of natural bioactive compounds on microbial safety and quality of dairy products 
    POPESCU, Liliana (Technical University of Moldova, 2021)
    Dairy products are susceptible to contamination by foodborne pathogenic and spoilage microorganisms, which can result to a reduced shelf life of products as well as risks to the consumers’health. This determines the possible ...
  • Digital techniques for water pollution control 
    SAVA, Nina; MARUSIC, Galina (Technical University of Moldova, 2021)
    This paper is a detailed description and analysis of the most popular techniques digital for water quality control nowadays. It is illustrated how these techniques can be applied to solve problems that have arisen as a ...
  • SWOT principle in flood risk management 
    GRAMA, Vasile; AVANZI, Agostino; NISTOR-LOPATENCO, Livia (Technical University of Moldova, 2021)
    An analysis of global statistics shows a substantial increase in flood damage over the past few decades. With the recent transition to a more risk-based approach in European flood management policy, flood analysis models ...
  • Replacement of natural aggregates used in road structures with steel slag 
    CHIRICUŢĂ, Ion (Technical University of Moldova, 2021)
    This work facilitates the application of modern technologies for road construction, by using steel slag instead of natural stone aggregates. This procedure will result in a significant decrease in the cost of works (slag, ...
  • The use of geographic information system for flood predictions 
    TABACARU, Alexandru; NISTOR-LOPATENCO, Livia; BEJAN, Iurie; PANTAZ, Alexandru (Technical University of Moldova, 2021)
    The article examines the issue of using geographic information systems (GIS) and WEBGIS technologies to predict areas likely to be flooded. Probabilistic flood hazard maps (0.5%, 0.1% and 1% flood risks) were used, obtained ...
  • About the necessity to determine the technical condition of buildings of strategic importance in Ungheni district from Republic of Moldova 
    RUSU, Ion; CREŢU, Ion (Technical University of Moldova, 2021)
    This paper deals with the need to determine the technical condition of strategic buildings, blocks of flats, which are in a precarious condition as well as engineering networks located within the Ungheni district. The ...
  • Some reliability aspects of MEMS and NEMS manufacturing 
    BĂJENESCU, Titu-Marius I. (Technical University of Moldova, 2021)
    A full understanding of the physics and statistics of the defect generation is required to investigate the ultimate reliability limitations of manufacturability of MEMS and NEMS. In order that the user can include electronic ...
  • Petri Nets modeling for SDN topologies 
    AMEEN, Ali; GUŢULEAC, Emilian (Technical University of Moldova, 2021)
    The article examines some new algorithms and focuses mainly on suggesting new working topologies for software-defined controllers in order to ensure SDN security and to prevent the occurrence of a potential central point ...
  • Trust- based modeling MAC-type access control through access and actions control policies 
    DANILESCU, Marcel; BEŞLIU, Victor (Technical University of Moldova, 2021)
    In recent decades, the number of researches on access control and user actions in computer systems has increased. Over time, there have been two models of implementing Mandatory Access Control (MAC) policies for government ...
  • Ergo - evaluation of urban bus driver’s workstations in south west Nigeria 
    ISMAILA, Salami O.; ODUNLAMI, Samson A.; KUYE, Sidikat I.; MUSA, Adekunle I.; OLAYANJU, Adeniyi (Technical University of Moldova, 2021)
    This study evaluated the ergonomic performance of drivers’ workstations in southwest Nigeria. Fifty urban buses selected from ten brands were investigated by direct measurement. The buses were mini-A and midi-B. Vertical ...