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Now showing items 61-80 of 121

Studiu în problemele utilizării pe scară largă a biocombustibililor

NOVOROJDIN, Dumitru (2008)

Prin metoda adausului de produs vegetal în cel petrolier se poate de micșorat conținutul gazelor de eșapament CO2 în limita calculelor și se prevede ca până în 2040 să se ajungă la o reducrere de 30% a emisiilor de gaze ...
Studiul proprietăților fizice și tehnologice ale semințelor la unele culturi furajere noi

CEREMPEI, Valerian; ȚÎȚEI, Victor; GADIBADI, Mihail; GUDÎMA, Andrei (2021)

This article overviews the results of the experimental research on the physical and tehnological properties of the seeds of new fodder crops: galega, Galega orientalis Lam. cv. Speranța., virginia mallow, Sida hermaphrodita ...
The quality of biomass and fuel pellets from Jerusalem artichoke stalks and wheat straw

ȚIȚEI, Victor; MUNTEAN, Ivan; PASAT, Igor; GUDÎMA, Andrei (2019)

In recent years, the biomass market has constantly increased. The densification of plant biomass would contribute to improving its efficiency as a fuel by increasing its homogeneity and allowing a wider range of lignocellulosic ...
Biomass quality of some Asteraceae species for solid biofuel purposes in Moldova

ȚIȚEI, Victor; GUDÎMA, Andrei; GADIBADI, Mihail; MUNTEAN, Ivan (2018)

In the latest years, the rapid changes in global climate, such as the depletion of fossil fuel resources, have motivated an increasing interest in renewable energy production, and phytomass represents a good opportunity. ...
Calitatea biobrichetelor produse din reziduuri agricole: studiu bibliografic

PAVLENCO, Andrei; MARIAN, Grigore; GOROBEȚ, Vladimir; GUDÎMA, Andrei; NAZAR, Boris (2018)

Today's world is mostly dependent on fossil fuel for power generation. In order to determine the briquetting characteristics of biomass was used to study the compaction behavior of biomass grinds from agricultural residues. ...
The quality of willow biomass and fuel briquettes

ȚIȚEI, Victor; ROȘCA, Ion; CÎRLIG, Natalia; GUȚU, Ana; GUDÎMA, Andrei; COZARI, Sergiu (2021)

The main determinants of economic growth, social development and quality of life for communities are energy and energy use. In the face of fluctuating fossil fuels costs and a growing demand for energy, the need for an ...
Comparison of maximum energy yield of selected crops grown for energy purposes

KOLAŘÍKOVÁ, Michel; IVANOVA, Tatiana; HAVRLAND, Bohumil; MUNTEAN, Alexandru; GUDÎMA, Andrei; HUTLA, P.; POBEDINSKY, Victor (2013)

Every country is looking for a solution for its energy situation. For that reason energy crops, which are characterized by sufficient energy yield, lower costs and well known chemical composition, are considered being very ...
Assessment of the quality of secondary production from different agricultural crops used as primary material for densified solid biofuels

MARIAN, Grigore; ȚENU, Ioan; ROȘCA, Radu; GUDÎMA, Andrei; PAVLENCO, Andrei (2019)

The quality of densified solid biofuels is directly influenced by the biomass characteristics used as feedstock. Under the conditions of the Republic of Moldova, the main source of raw material used in the production of ...
Biomass quality of some Poaceae species and possible use for renewable energy production in Moldova

MUNTEAN, Ivan; ȚIȚEI, Victor; GUDÎMA, Andrei; ARMAȘ, Andrei; GADIBADI, Mihail (2018)

Biomass makes a major contribution to the world and nation’s renewable energy portfolio. Plant biomass represents stored energy that may be drawn upon on demand, can be converted into energy by combustion, producing ...
Prospects for the utilization of the Miscanthus giganteus and Polygonum sachalinense for solid biofuel production in the Republic of Moldova

ȚIȚEI, Victor; GUDÎMA, Andrei; MUNTEAN, Alexandru; GADIBADI, Mihail; LUPAN, Aurelia (2016)

Energy production from renewable sources plays an important role. To determine crops which are the most suitable for energy production, its thermophysical properties, ecological impact and production economy must be ...
Consideraţii cu privire la estimarea potenţialului de biomasă pentru scopuri energetice rezultată din reziduuri agriosilvice

MARIAN, Grigore; MUNTEAN, Alexandru; GUDÎMA, Andrei; PAVLENCO, Andrei (2013)

The study of this paper is argued by the contradictions existing in the specialized literature regarding the calculation of potential of biomass derived from agro-forestry activities and which is available for energy ...
Energy potential of biomass characteristic for the Republic of Moldova

GUDÎMA, Andrei; MARIAN, Grigore (2013)

The energy potential problem in the Republic of Moldova has been analyzed in this article. A solution of the above problem has been proposed by utilization of solid biofuels as renewable energy sources, ecological clean ...
Pelete din paie, consideraţii pro şi contra

MARIAN, Grigore; GUDÎMA, Andrei; GUDÎMA, Andrei; GOROBEȚ, Vladimir; PAVLENCO, Andrei (2015)

The aim of this paper is to deepen research on the possibility to improve the performance of low quality pellets by adding wood biomass. The biomass pellets derived from mixtures of wheat straw and wood of acacia and ...
Cercetarea proprietăților fizice ale plantelor de anghinare, (Cynara cardunculus L.) și calității furajului produs în Republica Moldova

GADIBADI, Mihail; ȚIȚEI, Victor; CEREMPEI, Valerian; COVALCIUC, Dragoș; COȘMAN, Sergiu; GUDÎMA, Andrei (2020)

The objective of this research was to evaluate some physical properties of the seeds and chopped green mass from Cynara cardunculus L., the biochemical composition and feed value of silage obtained in the Republic of Moldova.
Proprietățile fizico-mecanice a fitomasei și biobrichetelor din plante perene din familia Asteraceae

ȚIȚEI, Victor; GUDÎMA, Andrei; MUNTEAN, Ivan (2019)

În condițiile Republicii Moldova în ultimii ani, biomasa a devenit cea mai importantă sursă de producere a energiei regenerabile. Fitomasa, rezidurile culturilor agricole, silvice și plantele energetice cultivate, reprezintă ...
Stadiul actual cu privire la utilizărea deşeurilor agricole şi silvice pentru obţinerea energiei termice în condiţiile Republicii Moldova

GUDÎMA, Andrei (2011)

The article presents the potential problem of Moldova's energy proposals to resolve the problem by using solid bibfuls as a source of heat.
Perspectivele utilizării biocombustibilului solid în condiţiile Republicii Moldova

MUNTEAN, Alexandru; IVANOVA, Tatiana; GUDÎMA, Andrei (2011)

The paper observes the perspectives of biomass utilization for solid biofuel production as well as advantages of use of solid biofuel in the form of briquettes in comparison with conventional fuels. The comparative economic ...
Sporirea calității biocombustibililor solizi în acord cu politicile de dezvoltare a surselor regenerabile de energie

PAVLENCO, Andrei; GUDÎMA, Andrei (2017)

Obiectivul general al lucrării este sporirea calității biocombustibililor solizi în acord cu politicile de dezvoltare a surselor regenerabile de energie. În calitate de obiect al cercetărilor au servit biocombustibilii în ...
Perspectivele producerii peleților ENPlus din reziduuri agricole în condițiile Republicii Moldova

GUDÎMA, Andrei; PAVLENCO, Andrei (2017)

În lucrare se dă o analiză critică detaliată a stadiului actual cu privire la potențialul de reziduuri agricole pretabile de a fi folosite în calitate de materie primă la producerea peletelor de foc şi căile de îmbunătățire ...
Восстановление подшипниковых узлов скольжения полиамидоэпоксидными композиционными материалами

МАЛАЙ, Леонид; ГОРОБЕЦ, Владимир; ПОПЕСКУЛ, Анжела (2019)

The reliability, productivity and competitiveness of agricultural machinery, as well as related industries, is largely determined by the resource of sliding bearing units, which during operation are influenced by many ...

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