Articole din publicaţii internaţionale: Recent submissions

Now showing items 501-520 of 3232

TiO2/Cu2O/CuO Multi-Nanolayers as Sensors for H2 and Volatile Organic Compounds: An Experimental and Theoretical Investigation

LUPAN, Oleg; SANTOS-CARBALLAL, David; ABABII, Nicolai; MAGARIU, Nicolae; HANSEN, Sandra; VAHL, Alexander; ZIMOCH, Lukas; HOPPE, Mathias; PAUPORTÉ, Thierry; GALSTYAN, Vardan; SONTEA, Victor; CHOW, Lee; FAUPEL, Franz; ADELUNG, Rainer; de LEEUW, Nora H.; COMINI, Elisabetta (American Chemical Society, 2021)

TiO2/Cu2O/CuO multi-nanolayers highly sensitive toward volatile organic compounds (VOCs) and H2 have been grown in various thicknesses by a cost-effective and reproducible combined spray–sputtering–annealing approach. The ...
Evaluation of the oxidative stability of rosehip (Rosa Canina) lipophilic extracts

POPOVICI, Violina ("Dunarea de Jos" University of Galati, 2019)

There is an increased interest for sources of natural antioxidants in order to enrich oils towards reducing lipid oxidation. The rosehip and rosehip berries are natural concentrate of vitamins (C, P, B1, B2, E, K), ...
Total carotenoid content evaluation of functional food products with rosehip powder (Rosa Canina)

POPOVICI, Violina; STURZA, Rodica; GHENDOV-MOSANU, Aliona; SORAN, Maria-Loredana; LUNG, Ildico (Institutul de Chimie, Academia de Ştiinţe a Moldovei, 2019)

In this paper, the antioxidant capacity and physico-chemical characteristics of lipid-soluble extracts of rose hips were evaluated. It was performed the analysis of the impact of biologically active compounds on the ...
Evaluation of total carotenoid content in functional food products enriched with rosehip powder (Rosa Canina)

POPOVICI, Violina; BOAGHI, Eugenia; RADU, Oxana; CAPCANARI, Tatiana; POPOVICI, Cristina (Institutul de Chimie, Academia de Ştiinţe a Moldovei, 2019)

There is an increased interest for sources of natural antioxidants such as carotenoids in order to enrich food products to increase the product shelf life. The rosehip berries (Rosa Canina) are natural concentrate of ...
Preliminary characterization of oil/water emulsions for added-value to textile fabrics

GHENDOV-MOSANU, Aliona ("Vasile Alecsandri" University of Bacau, Romania, 2021)

This paper presents the data from a few preliminary analyses used for characterization of different series of vegetal essential oil (mint, lavender, rosemary and thyme)/water (O/W) emulsions prepared by varying the ...
The impact of hawthorn (crataegus) lipophilic extract on the oxidative stability of vegetable oils

POPOVICI, Violina; STURZA, Rodica; GHENDOV-MOSANU, Aliona ("Vasile Alecsandri" University of Bacau, Romania, 2021)

In this study were analyzed the antioxidant capacity of hawthorn berries which are rich in polyphenols, bioflavonoids, antioxidants, vitamins, tannins and organic acids etc.
Investigation of obtaining vinegar using concentrated juice

BOIȘTEAN, Alina ("Vasile Alecsandri" University of Bacau, Romania, 2021)

Within the framework of this study, the technology of obtaining vinegar from grape and apple concentrates was analyzed in order to unify production. Optimal conditions have been created for alcoholic and acetic fermentation ...
Valoarea simbolului în comunicarea vizuală pentru studenții arhitecți

HADJI-BANDALAC, Mariana (Institutul de Cercetari Economice şi Sociale “Gheorghe Zane”, Iaşi, 2021)

This paper reflects the theoretical and practical ideas following the role of the symbol in visual communication and comprehension the transmitted message. The aim is assimilation of essential knowledge needed in the process ...
Language-independent features for authorship attribution on Ukrainian texts

HLAVCHEVA, Yuliia; GLAVCHEV, Maksym; BOBICEV, Victoria; KANISHCHEVA, Olga (Taras Shevchenko National University of Kyiv, 2021)

Authorship attribution is the natural language processing task of the author identification of an input text. The main goal of this task is to define the salient characteristics of documents that capture the author's writing ...
The use of graphic libraries to diversify the assortment of functional clothing

FLOREA-BURDUJA, Elena; RARU, Aliona; FARIMA, Daniela; IROVAN, Marcela; LUPU, Iuliana (Universitatea Naţională de Apărare „Carol I”, Bucureşti, 2021)

Currently, worldwide, there is a significant increase in the use of computer systems and various information technologies, both in the production system and in education. The use of information technologies leads to an ...
Prehensoare industriale: prezent și perspectivă

BOTEZ, Alexei (Universitatea de Stat din Moldova, 2021)

Cuvântul „prehensor” își are originea în limba latină, prehenso semnificând apucare, prindere cu mâna. Prehensorul robotului este mecanismul de prindere cu care acesta prinde obiectul deplasat, îl deplasează și îl instalează ...
Proprietăți optice ale filmelor ITO:GA2O3 obținute prin pulverizare magnetron

SUMAN, Victor; RUSU, Emil; ZALAMAI, Victor; URSACHI, Veceslav; GHIMPU, Lidia (Universitatea de Stat din Moldova, 2021)

A fost studiat efectul majorării cantității de Ga2O3 din sursa supusă evaporării asupra transmitanței optice (T), reflectanței (R) și absorbanței (𝛼) a filmelor de ITO:Ga2O3.
Actualitatea și importanța educației muzeale prin colaborarea instituției de învățământ cu familia în contextul gândirii științifice

MUNTEANU, Angela (Universitatea Pedagogică de Stat „Ion Creangă“ din Chişinău, 2021)

Articolul conține un studiu teoretic, care reflectă importanța și posibilitățile educației muzeale prin redarea unor strategii și forme de colaborare a muzeului cu instituțiile de învățământ, familia și alți actori ...
Hardware implementation of Hopfield-like neural networks: Quantitative analysis of FPGA approach

ZAPOROJAN, Sergiu; CARBUNE, Viorel; SLAVESCU, Radu Razvan (IEEE, 2021)

This paper provides a rigorous analysis of FPGA implementation of Hopfield-like neural networks. The relationship between the hardware resources used to synthesize the data path and those used to provide network connections ...
Optical losses characterization in waveguides through the photodeflection method

BERTOLOTTI, Mario; LIAKHOU, G. L.; VOTI, Roberto Li; MATERA, A.; SIBILIA, Concita; VALENTINO, M. (SPIE, 1997)

The photodeflection method is able to characterize the propagation losses in optical waveguides. The theory of the transverse configurations in air and in situ is reviewed. The procedure to determine the propagation loss ...
Fabrication, characterization, and applications of high-performance AlGaAs-based buried-heterostructure diode lasers

SYRBU, Alexei V.; MEREUTZA, Alexandru Z.; SURUCEANU, Grigore I.; IACOVLEV, Vladimir P.; CALIMAN, Andrei N.; LUPU, Anatol T.; VIERU, Stanislav T.; PREDESCU, Marius; POPESCU, Ion M.; ISPASOIU, Radu G. (SPIE, 1996)

Data are presented on buried-heterostructure (BH) AlGaAs/ GaAs and InGaAs/AlGaAs quantum-well diode lasers (DLs) fabricated by low-temperature liquid phase mesa melt etching and regrowth. The basic laser structures were ...
Compact-size electronic device for diode-laser characteristic curve tracing

SMEU, Emil; ISPASOIU, Radu G.; SURUCEANU, Grigore I.; MEREUTZA, Alexandru Z. (SPIE, 1996)

In order to monitor the voltage-current (V-I ) and opticalpower–current (P-I ) characteristic curves of pulsed diode lasers, we have designed, built, and tested a compact-size, low-cost electronic device with the function ...
Reliability of calculation results in optical-electronic holographic computer systems

PERJU, Veacheslav L.; TSIBERNEAC, Stanislav K.; SARANCIUC, Dorian I. (SPIE, 1998)

The problems of investigation and calculations results reliability (CRR) evaluation in holographic computing systems are considered. The analysis of the existing approaches to estimation of CRR has been overtaken. A new ...
Covering the gap in depth resolution between OCT and SLO in imaging the retina

PODOLEANU, Adrian Gh.; ROGERS, John A.; SURUCEANU, Grigore I.; JACKSON, David A. (SPIE, 2001)

Two instruments are now available for high depth resolution imaging of the retina. A scanning laser ophthalmoscope is a confocal instruments which can achieve no more than 0.3 mm depth resolution. A longitudinal OCT ...
Organization of the computer means controlled by the image's parameters

PERJU, Veacheslav L. (SPIE, 1997)

A new concept of working out computer means, with the architecture controlled by the parameters of the images (CPI) is being suggested. The methods and processor structures of image parameters determination are presented. ...

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