28 articole găsite pentru „samples”.
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UV/VIS spectrophotometry applied to determinate phosphorus in almond milk
Dan Alina Florentina, Tifrea Anca Maria, Tita Ovidiu
Spectometria UV/VIS a fost utilizata pentru a determina continutul de fosfor in laptele de migdale. Probele de lapte de migdale au fost supuse la calcinare, in scopul indepartarii materialului organic. Fosfatii au reactionat cu molibdatul rezultand un complex…
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Determination of protein content in almond milk by colorimetrically assay with folin Ciocalteu reagent
Dan Alina Florentina, Tifrea Anca Maria, Tita Ovidiu
Scopul studiului a fost determinarea continutului total de proteine din laptele de migdale prin utilizarea unei metode mai putin sensibile la medicamente care interfereaza si sunt mai sensibile la proteine. Doua tipuri de probe de lapte de migdale au fost ame…
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IMPACT OF MOISTURE ON MYCOTOXINS CONTENT IN MAIZE
Prof. univ. dr. ing. Georgeta POP, Dr. ing. Dorin Augustin POP, Prof. dr. ing. Ersilia ALEXA, Dr. ing. Monica NEGREA
Lucrarea isi propune studiul unor factori care influenteaza continul de micotoxine din cariopsele (boabele) de porumb. Continutul de umiditate al probelor analizate peste limita maxima prevazuta in STAS pentru pastrarea in conditii optime a cerealelor si cond…
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THE MODAL ANALYSIS OF PLATES MADE OF WOVEN COMPOSITE MATERIALS
Prof. univ. dr. ing. dr. h. c. Ioan CURTU, dr. ing. Mariana Domnica STANCIU, Prof. univ. dr. ing. Vasile CIOFOAIA,
Lucrarea prezinta analiza modala a comportarii dinamice a placilor din materiale compozite cu insertii textile. Au fost analizate patru tipuri de material compozit, acestea fiind diferite prin numarul de straturi, grosime si tipul de presiune aplicat in cadr…
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Studii de suprafata prin spectroscopia Mossbauer a 119Sn
Dr. ing. Ion T. Bibicu
Spectroscopia Mössbauer este prezentata pe scurt in introducere si capacitatea ei de a efectua studii de suprafata prin izotopul Mössbauer 119Sn este evidentiata. Ca probe de studiu s-au folosit: folie de staniu metalic, straturi de staniu depuse electrochimi…
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DYNAMICAL BEHAVIOR OF HARDWOOD SPECIES SUBJECTED TO CYCLIC BENDING STRESSES
Mariana Domnica STANCIU, Ioan CURTU, Adriana SAVIN
Hardwood species as beech, maple, cherry, alder are used in common application such furniture, musical instruments, ornaments in automotive construction, panels and floors. The stresses vary in time as intensity, duration and type. From this point of view, so…
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MAGNETIC CHARACTERISTICS OF NON-ORIENTED SILICON IRON STRIPS OBTAINED THROUGH MECHANICAL, LASER, ELECTRICAL DISCHARGE AND WATER JET CUTTING TECHNOLOGIES
Horia GAVRILĂ, Veronica MĂNESCU (PĂLTÂNEA), Gheorghe PĂLTÂNEA, Gheorghe SCUTARU, Ioan PETER
The increase of the asynchronous motors efficiency may be usually made by decreasing the total energy losses in the magnetic circuits. Non-oriented silicon iron (NO Fe-Si) sheets are soft magnetic materials with a nearly isotropic grain texture. They are used…
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MÖSSBAUER EFFECT INVESTIGATION OF FE-C STEEL ELECTROLYTIC GALVANISATION
Ion BIBICU, Caius BULEA, Vasile RUS
Galvanizing is a very well known industrial process for anticorrosive and protection coatings. At first sight, galvanizing should not need any further important research and development involvement but many reasons contradict this appreciation: the constant e…