Articole ştiinţifice: Recent submissions

Now showing items 501-520 of 4687

Methods of conservation of microalgae and cyanobacteria

ŢURCAN, Olga; SÎRBU, Tamara (Moldova State University, 2022)

The creation and maintenance of a collection of microorganisms plays an extremely important role in the study of microbial diversity, as well as in the conservation of genetically stable producers used in biotechnological ...
Dynamics of accumulation of exopolysaccharides in cultural liquid at the cultivation of Spirulina platensis supplemented with coordinative compounds of Cu(II)

ŢURCAN, Olga (Moldova State University, 2022)

The aim of the present research was to evaluate the dynamics of accumulation of exopolysaccharides in the cultural liquid of the cyanobacterium Sp. platensis at the cultivation on the mineral nutrient SP-1 supplemented ...
Valorization of wine yeast sediments as a source of lipid preparations

TOFAN, Elena; CHISELIȚA, Natalia; CHISELIȚA, Oleg; BEȘLIU, Alina; EFREMOVA, Nadejda (Moldova State University, 2022)

The purpose of this research was to evaluate the biochemical composition of the yeast biomass obtained from wine waste sediments for obtaining of lipid preparations with the perspective for use in animal husbandry.
Impact of nanoparticles in the cultivation medium on the viability and stability of micromycetes after lyophilization

TIMUŞ, Ion (Moldova State University, 2022)

The aim of the research: to study the impact of supplemented NP in the culture medium on the viability and stability of micromycetes after lyophilization. In the study were taken 20 strains of micromycetes from the genera ...
The impact of ZnO and Cu nanoparticles supplemented in the rehydration medium on lyophilized micromycetes

SÎRBU, Tamara; ŢURCAN, Olga; TIMUȘ, Ion (Moldova State University, 2022)

The aim of the research was to study the impact of Cu and ZnO NPs supplemented in the rehydration medium on lyophilized micromycetes.
Viability and stability of aquatic fungi of biotechnological interest after lyophilization

SÎRBU, Tamara; ŢURCAN, Olga; MOLDOVAN, Cristina; TIMUȘ, Ion (Moldova State University, 2022)

The aim of the research was to evaluate the viability and stability of aquatic fungi of biotechnological interest after lyophilization. The object of study was served 20 strains of aquatic fungi, isolated from the lake La ...
Biodeteriation of plastic materials by phytoremediating microorganisms

COSCODAN, Mihail (Moldova State University, 2022)

Plastic under the action of microorganisms biodegrade info smaller particles, with hit the soil, water and air, reflecting a negative impact on the soil environment plant growth and productivity. The lower the biodegration ...
The use of microbial biopreparations in modern biotechnologies

COSCODAN, Mihail (Moldova State University, 2022)

The creation of new local biopreparations that are the basis of local bacterial, capable of presenwing that are of perspective, than tran theit use with imported properties, which are of interest and practical for the ...
Means of enhancing the role of biological nitrogen in phytotechny

COȘCODAN, M.; TODIRAȘ, V.; PRISACARI, S.; LUNGU, A. (Moldova State University, 2022)

According to several sources, biological nitrogen plays an important role in the growth, development and productivity of agricultural plants. It is also known that with increasing doses of mineral fertilizers their ...
Influence of some coordination compounds with polydentate ligands on the proteolytic activity of Fusarium gibbosum CNMN FD 12

CILOCI, Alexandra; CLAPCO, Steliana; DVORNINA, Elena; LABLIUC, Svetlana; BULHAC, Ion; URECHE, Dumitru (Moldova State University, 2022)

In order to increase the enzymatic activity of mycelial fungi the influence of some new coordination compounds of Ba, Sr and Ca, including as a ligand dimethyl ester of 2,6-pyridinedicarboxylic acid, on the activity of ...
Viability of Streptomyces strains and its variants after freeze-drying in CNMN

BÎRSA, Maxim; BURȚEVA, Svetlana; CEBOTARI, Victoria (Moldova State University, 2022)

Thus, freeze-drying of microbial strains is one of the most sustainable methods, but it requires the greatest manpower, special equipment and trained personnel. Thus, the purpose of the research was to evaluate the viability ...
The influence of the agricultural management system on the soil microbiome

ARTIOMOV, Laurentia; FRUNZE, Nina (Moldova State University, 2022)

The aim of our work was to study the structure of the soil microbiota in the case of different crop rotation and types of fertilization. The research was carried out in the long-term field experiment on the “Biotron” ...
Study of lake fungi biodiversity in from the La Izvor lake (Chisinau municipality)

MOLDOVAN, Cristina; SÎRBU, Tamara (Moldova State University, 2022)

The cultural and morphological features of the isolated fungal strains were studied. As a result of the research, representatives of 18 genera of fungi were found, these being: Penicillium, Aspergillus, Trichoderma, ...
Peculiarities of storage protein polymorphism in the endosperm of mutant maize lines

BATIRU, Gr.; COMAROVA, G.; ADAMCIUC, A.; BOUNEGRU, S.; COJOCARI, D.; ROTARI, E. (Moldova State University, 2022)

The main goal of the presented work was to study the features of polymorphism of storage proteins (zeins) of gene (o2 gene) and genomic mutant (tetraploid) maize lines.
Studiul performanțelor energetice a motorului cu ardere internă alimentat cu biodiesel obținut din uleiuri vegetale

BANARI, Eduard (Institutul de Energetică al Academiei de Științe a Moldovei, 2022)

This paper presents the results of experimental research on the energy and economic performance of the 4DC engine (110X125) powered by B100 biodiesel and mixtures of diesel and B20 and B50 biodiesel. A particularly important ...
Indicii de performanţă a motorului cu aprindere prin comprimare alimentat cu biocombustibil

HĂBĂŞESCU, Ion T.; CEREMPEI, Valerian A.; ESIR, Mihail I.; NOVOROJDIN, Dumitru D.; BANARI, Eduard; LUPAŞCU, Tudor; DRAGALIN, Ion (Institutul de Energetică al Academiei de Științe a Moldovei, 2005)

În lucrare sunt prezentate rezultatele cercetătorilor motorului D-240 (tractor MTZ-80 „Belarusi”) alimentat cu biocombustibil obţinut din ulei de rapiţă. Parametrii energetici (momentul de torsiune, putere) a motorului ...
Impactul ecologic la utilizarea biocombustibilului pentru alimentarea motoarelor Diesel

LĂCUSTĂ, Ion; BEŞLEAGA, Igor; BANARI, Eduard (Institutul de Ecologie şi Geografie al AŞM, 2009)

In the work is presented result experimental researches concerning the power performances and ecologic engine passionately through compression feeded on diverse guys of fuels (diesel fuls, biocombustibil pure, oil of pure ...
Impactul ecologic al utilizării biocarburanţilor

BANARI, Eduard; MANCUȘ, Natalia (Societatea Inginerilor de Automobile din România, 2017)

In the work we presents experimental research on test results exhaust the compression ignition engine fueled with various fuels (biofuels, pure oil, diesel fuel blends with biodiesel).
Tribological research of the chrome- gray cast iron coupling with lubrication in different environments

CEREMPEI, Valerian; BANARI, Eduard; POȘTARU, Gheorghe; POPA, Lucreţia (National Institute for Research-Development of Machines and Installations Designed for Agriculture and Food Industry, INMA Bucharest, 2023)

In the given article, the results of the tribological research of the chrome-gray cast iron coupling are presented, the friction conditions between the cylinder liner and the compression segment being lubricated in various ...
Studies abouts the energy and economic performances of the DC4 11.0/12.5 biodiesel combustion engine

BANARI, Eduard (Societatea Inginerilor de Automobile din România, 2023)

Această lucrare prezintă rezultatele unui studiu experimental al performanțelor energetice și economice ale motorului cu aprindere prin comprimare (DC4 11.0/12.5) alimentat cu motorină, amestec format din motorină-biodiesel ...

Now showing items 501-520 of 4687

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