THE IMPACT OF QUALITY IN RESEARCH AND DEVELOPMENT ENVIRONMENTS ON ENTREPRENEURIAL ACTIVITY IN ROMANIA. A COMPARATIVE STUDY by Sorin Romulus BERINDE, Paula Ramona RĂCHIȘAN, Adrian GROȘANU, Alina Beattrice VLADU, Dan Dacian CUZDRIOREAN

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A Comparative Study of Vitamin C Concentrations in Two Selected Wild Fruits in Itojo Sub-County Ntungamo District. by Akankwatsa, Marither

Subjects: “…Comparative Study…”
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Comparative Study On Effectiveness Of Citrus Limon Peelings And Cymbopogon Citratus Leaves Powder On Termites, Isoptera Rhinotimitidae. by Abeneitwe, Joshua

Subjects: “…Comparative Study…”
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A Comparative Study on Ascorbic Acid Content of Annas Comosus (Pineapples) and Malus Domestica (Apples) in Kabale Municipality. by Akankwasa, Edson

Subjects: “…Comparative Study…”
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Zur wissenschaftlichen Musikliteratur in den USA und in Deutschland. Eine empirisch-statistische Studie auf der Basis des ›Répertoire International de Littérature Musicale‹ (RILM)... by Oliver Schwab-Felisch, Fred Mengering, David van der Kemp

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A Comparative Study of Vitamin C Concentrations in Two Selected Wild Fruits in Itojo Sub-County Ntungamo District. by Akankwatsa, Marither

Subjects: “…Comparative Study…”
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Comparative Study of the Effect of Pumice Sand, River Sand, and Quarry Dust as Fine Aggregates on the Unit Weight of Concrete. by Niyonzima, Richard

Subjects: “…Comparative Study…”
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Two managerial public relations roles in the South African context by Benita Steyn, Tery Everett

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Multi-layer Modeling of Bifacial Photovoltaic Panels: Evaluating the Accuracy of One-, Three-, and Five-layer Models by Mohammad Hassan Shahverdian, Hoseyn Sayyaadi, Ali Sohani

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DEVELOPMENT OF CASTING TECHNOLOGIES DURING FORMATION OF PROPERTIES OF ALUMINUM-BASED MATERIALS WITH CARBON OF DIFFERENT STRUCTURAL CONDITION by A. T. Volochko

Subjects: “…the paper gives an assessment of existing casting methods used for manufacturing products from aluminum materials with carbon filling compounds. it presents results of comparative studies of properties of aluminum materials in which microcrystalline graphite, fullerene black, nanotubes and an amorphous phase of glass carbon have been used as filling compounds.…”
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PHILOLOGY AS A SCIENTIFIC AND EDUCATIONAL PROJECT by Pavel P. Shkarenkov

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COMPARATIVE RESEARCHES OF FRACTURES OF HIGH-STRENGTH CAST IRON IN THE AS-CAST AND DEFORMED STATE by A. I. Pokrovsky, I. N. Khrol

Subjects: “…the results of comparative studies of fracture surfaces of high-strength cast iron in the as-cast state and after hot direct extrusion through an aperture of a conical die are presented. the shape change of graphite inclusions and components of the metal matrix is examined with increasing the reduction ratio from 0 (as-cast state) to 80%. for the fist time, using the electrochemical etching of the metal matrix of the cast iron, it is demonstrated experimentally that at plastic deformation the ductile flow of graphite inclusions occurs without fracturing of the latter. the surface morphology of a deformed graphite inclusion is revealed. it is shown that inside the inclusion the strain is distributed non-uniformly: the peripheral zones are deformed to a larger extent while the central part may retain its original radial structure. the fact that the most part of graphite inclusions on the fracture surface of the deformed cast iron appeared undamaged (very small amount of fractured inclusions was observed) testifies against the common opinion that graphite acts as a crack nucleation site. a hypothesis is put forward that the crack nucleates in the metal matrix, presumably at the pearlite/ferrite interface, and propagates from one graphite inclusion to another rounding but not damaging the latter.…”
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