SCIENTIFIC BULLETIN. SERIES B. CHEMISTRY AND MATERIALS SCIENCE

Transcription

1 SCIENTIFIC BULLETIN. SERIES B. CHEMISTRY AND MATERIALS SCIENCE Vol SPIS TREŚCI nr 1 CHEMISTRY 3 Electrochemical characterization of some azulene selenium compounds / Georgiana Anca Inel, Maria-Laura Soare, Magdalena-Rodica Bujduveanu, Ştefan Varga, Eleonora-Mihaela Ungureanu, Liviu Birzan 11 Comparative determinations for certain phytoterapeutical substances from indigenous herbs / Gheorghe Nechifor, Mihaela Pascu (Neagu), Daniela Elena Pascu, Gina Alina Trăistaru, Veronica Ionela Panait 19 A computer controlled system for water quality monitoring / Irina-Elena Ciobotaru, Dănuţ-Ionel Văireanu 25 Solvatochromic parameters of some anthocyanin derivatives concentrated from selective natural extracts / Silvia Dora Iosub, Aurelia Meghea, Irina Geana 35 Pareto optimal operating solutions for a catalytic reactor for butane oxidation based on safety / Anca Dan, Gheorghe Maria 49 Cisplatin functionalization of multiwall carbon nanotubes / Adriana Duma (Voiculeţ), Mariana Prodana, Ioana Demetrescu 59 Novel reactive monomers bearing a push-pull azo-moiety / Mitică Spiridon, Florica Jerca, Valentin Jerca, Dumitru Vuluga, Dan Vasilescu 71 Process optimization of a butane-butene alkylation plant / Petru Dragnea, Costin Sorin Bîldea 85 Electrochemical characterization of some azulene selenium compounds / Sabina Grigorescu, Daniela Ioniţă, Ioana Demetrescu 95 Microwave assisted regeneration of 3Å molecular sieves used for ethanol dehydration / Eduard Sârbu, Ioan Călinescu 107 Molecular modeling of mechanical properties of the chitosan based graphene composites / Andreea Mădălina Pandele, Mariana Ioniţă, Horia Iovu 113 Possibilities to differentiate ballpoint pen inks by spectroscopic and chromatographic techniques / Daniela-Laura Feraru, Aurelia Meghea 127 Toxic elements in coal and their ashes / Marilena Bugaru, Bogdan George Rujoi 131 FAC and MER- A1Q3 isomers obtained by direct solid state reaction / Iulia Corina Ciobotaru, Silviu Polosan, Horia Iovu 145 Sanogenetic analysis of hazardous substances in leather used in footwear manufacturing / Mirela Pantazi 155 Highly selective and stable glucose biosensors based on polyaniline / carbon nanotubes composites / Luisa Pilan, Matei Raicopol 167 Plasma thiols concentration levels and their correlation with health patients condition / Florentina Gatea, Catalina Petrareanu, Elena Lupeanu, Gabriel Lucian Radu 175 A computational study on some hydrazyl radicals and congeners / Maria Marinescu, Christina Zalaru, Petre Ioniţă

2 MATERIALS SCIENCE 185 Creep behavior of Ti-6Al-4V from 450 C to 600 C / Lavinia Badea, Martin Surand, Jacques Ruau, Bernard Viguier 197 Effects of sub- zero treatment applied to sintered steels / Sandu Dubovan, Mihai Demian, Adrian Constantin Calopereanu, Lidia Dubovan 209 Study of PbSO 4 solubilisation in NaOH solution, for the treatment of oxidesulphate pastes obtained from dismembered lead-acid batteries / Genica Bădănoiu, Traian Buzatu, Valeriu Gabriel Ghica, Mihai Buzatu, Gheorghe Iacob, Ionuţ Mircea Petrescu 219 X-ray diffraction investigations of a Ti-29Nb-9Ta-10Zr thermo-mechanical processed alloy / Cristina-Mariana Tăbîrcă, Doina Răducanu, Vasile Dănuţ Cojocaru, Ion Cinca, Cătălin-Iulică Nae, Andreea Căprărescu 227 Characterization of some blast furnace waste dusts / Daniel Cristian Mihaiescu, Georgeta Predeanu, Cornelia Panaitescu 235 Elaboration d'une approche d'analyse sensorielle tactile des materiaux bio-sources / Ana-Maria Avramescu, Florence Bazzaro, Morad Mahdjoub, Jean-Claude Sagot, Ionel Simion

3 nr 2 CHEMISTRY 3 Grain size effect on photocatalytic properties of nanocrystalline ZnO / Otilia-Ruxandra Vasile, Ecaterina Andronescu, Cristina Ghiţulică, Bogdan Ştefan Vasile, Eugeniu Vasile 13 Extraction of vegetable oils from ground seeds by percolation techniques / Mălina Avram, Anicuţa Stoica, Tănase Dobre, Marta Stroescu 23 Evaluation of measurement uncertainty to phosphorus determination by molecular spectrometry in water samples / Petra Ionescu, Elena Diacu, Violeta-Monica Radu 33 Mathematical modeling of methanogenesis / Iuliana Rogoveanu Radosavlevici, Dan Niculae Robescu 45 Co-encapsulation of a mixture of antioxidant and sunscreen agents into solid lipid nanoparticles / Alina Popa, Gabriela Niculae, Aurelia Meghea 57 ICP- MS determinations in sustaining corrosion data of 316 stainless steels in bioliquids / Georgeta Ţoţea, Daniela Ioniţă, Ioana Demetrescu 67 La 0.8 Sr 0.2 Ga 0.83 Mg 0.17 O 3-δ perovkites investigated by impedance spectroscopy and X-ray photoelectron spectroscopy / Rareş Scurtu, Gheorghe Nechifor, Cristian Andronescu, Victor Fruth, Petre Osiceanu 77 Prediction of stress-strain behavior for improvement of mechanical properties of polymers / Afsaneh Barekat, Hossein Hosseini 87 Removal of Cu(II) and Ni(II) ions from aqueous solution using chitosan and chemical modified chitosan / Carmen Deleanu, C. M. Simonescu, Gheorghe Nechifor 95 Titanium oxide nanotube arrays used in implant materials / Sami A. Ajeel, Abdulkareem M. Ali, Zamen Karm 105 FSIS - an information system based on the modern technologies of data acquisition and data processing in food industry / Andreea Ioana Enache (Bontoş), Marius Daniel Bontoş, Dănuţ-Ionel Văireanu 113 Lipophilicity of schiff bases of substituted thiazolyl bromocoumarins by ChemBioDraw PerkinElmer and ALOGPS 2.1 / Mihai Rissdörfer, Katharigatta Narayanaswamy Venugopala, Rashmi Venugopala, Mădălina Iliş, Florin D. Badea 125 Green tea extract loaded into solid lipid nanoparticles / Ana-Maria Manea, Corina Andronescu, Aurelia Meghea 137 Influence of temperature on bioconversion of D-glucose into 2-keto-D-glucose by pyranose oxidase / Manuela Diana Ene, Gheorghe Maria 149 Influence of maleated ethylene propylene diene terpolymer compatibilization agent on physical-mechanical properties of polymeric composites based on cured rubber powder and high density polyethylene / Mariana Daniela Berechet, Maria Daniela Stelescu, Dana Gurău 157 Evaluation of the efficiency of amphetamines detection by cluster analysis / Ştefănuţ Ciochină, Mirela Praisler 167 Analysis of annealing effect and macroscopic triaxiality on high density polyethylene / Rabah Ferhoum, Kamal Hachour, Meziane Aberkane, Malek Habak 179 Monitoring of priority hazardous substances from an industrial platform area / Mihaela Iordache, Aurelia Meghea, Luisa Roxana Popescu, Nicoleta Georgeta Dobre, Georgeta Ţoţea

4 193 Optimized DNA extraction and southern hybridization in different Solanaceae species / Anca Amalia Udriste, Gabriel Lucian Radu 203 Release of heavy metals in flooded soils: effect of labile organic C addition / Ramona Balint Nimirciag, Franco Ajmone-Marsan MATERIALS SCIENCE 213 Mathematical modeling of the filtration process of aluminum melts / Mihai Buzatu, Petru Moldovan, Denisa Vonica, Augustin Semenescu, Gheorghe Iacob 225 Aspects regarding the possibility of increasing hardness on a low carbon steel ST37-2 by surface treatment with CO 2 laser / Olga Ţurcan, Octavian Donţu, Jose Luis Ocana Moreno, Ionelia Voiculescu, Ion Mihai Vasile 233 Some theoretical and practical aspects in producing cast aluminium - silicon carbide particles composites / Iuliana-Jenica Odagiu (Sima), Florin Ştefănescu, Gigel Neagu 241 Aspects regarding a new field of knowledge represented by the Metallurgical Ecosociology / Bogdan Florin Stroe, Avram Nicolae 251 Influence of electromagnetic induction heating on growth kinetics of carburized layers in less common carburizing media / Mihai Ovidiu Cojocaru, Daniela Dragomir

5 nr 3 CHEMISTRY 3 Analysis of L-thyroxine and 3,3,5-triiodo-L-thyronine using potentiometric microsensors / Iuliana Moldoveanu, Raluca-Ioana Stefan-Van Staden, Jacobus Frederick Van Staden, Gabriel Lucian Radu 11 Extraction of vegetable oils from ground seeds by percolation techniques / Mihaela Nour, Daniela Dună, Mirela Ioniţă, Viorel Feroiu, Dan Geană 21 Electrode processes in ionic liquid solvents as mixtures of choline chloride with urea, ethylene glycol or malonic acid / Mariana Lili Mareş Badea, Anca Cojocaru, Liana Anicăi 33 Integrated process for γ-butyrolactone production / Ahtesham Javaid, Costin Sorin Bildea 43 Improvements in quality of histidine-modified enhanced green fluorescent protein that binds copper ions with nanomolar affinity / Judit Petres, Emese-Éva Bálint, Mária Szabó, László Szilágyi, Beáta Ábrahám 55 Cytotoxic effects of ZnO nanoparticles incorporated in mesoporous silica / Florica Vaja (Dumitru), Cornelia Guran, Denisa Ficai, Anton Ficai, Ovidiu Oprea 67 Amperometric microsensors based on inulins for the assay of L-T3 and L-T4 / Livia Alexandra Gugoaşă, Raluca-Ioana Stefan-Van Staden, Grzegorz Bazylak, Jacobus Frederick Van Staden, Gabriel-Lucian Radu 75 Physicochemical, crystallography and DFT calculations on biologically active dihydropyrimidine analogues / Mihai Rissdörfer, Katharigatta Narayanaswamy Venugopala, Susanta Kumar Nayak, Florin Dinu Badea 89 Spectrofluorimetric analysis of cefotaxime sodium by using 4-fluoro-7-nitrobenzofurazan as derivatization agent / Daniela Ştirbeţ, Ioana Vasilescu, Gabriel-Lucian Radu 99 Morpho structural control of functionalized DNA based systems / Alexandrina Ţane, Ileana Rău, Aurelia Meghea, Andreea Daniela Nistor 113 Improvement in the determination of traces of nitrate and nitrite in natural mineral waters by ion chromatography / Ion Ion, Daniela Bogdan, Alina Catrinel Ion 123 Anthocyanins extraction from purple potato (Gălăneşti blue-violet variety) / Florentina Damşa, Alexandru Woinaroschy, Carmen Liliana Bădărău 129 Novel linseed oil-based monomers: synthesis and characterization / Brînduşa Bălănucă, Raluca Stan, Anamaria Hanganu, Horia Iovu 141 Evaluation of heavy metals and toxic elements content in time in bio and non-bio yogurts by ICP-MS method / Larisa Prioteasa, Mariana Prodana 151 Synthesis of a new polymer poly(styrene sulfonic acid-co-4-vinylpyridine) for proton exchange membrane for fuel cell / Carmen Georgiana Lica, Mircea Segărceanu, Marinela Pleşca, Abbas Abdul Rikabi, Gheorghe Nechifor 159 Zinc extraction through liquid membrane coupled to a pervaporation process / Cristiana Olteanu, Loreta Costache, Andrea Răducu, Octavian Dorca, Carmen G. Lica, Gheorghe Nechifor

6 MATERIAL SCIENCE 169 Intergranular corrosion of AA H321 aluminum alloy / Petru Moldovan, Carmen Nicoleta Stanica, Gilbert Ciobanu, Ionel Ungureanu, George Manuel Iorga, Mihai Buţu 181 Thermoelectric power for liquid Tl-S alloys correlated to the phase diagram / Ştefan Alexandru Adam, Mihai Buzatu, Mircea Ionuţ Petrescu 195 Researches concerning the strength characteristics of the composite materials which use wastes from leather industry / Natalia Popa, Ion Durbaca, Petru Cardei, Gheorghe Voicu, Mirela Dinca, Damian Timofte 207 Hydrothermal synthesis of doped ZnO and TiO 2 nanomaterials: opportunities for textile applications / Ioan Albert Tudor, Mirela Petriceanu, Radu-Robert Piticescu, Roxana Mioara Piticescu, Cristian Predescu

7 nr 4 CHEMISTRY 3 On the efficient extraction of essential oil from Mentha spicata / Ioan Călinescu, Adina Ionuţă Gavrilă, Gabriel Călin Ivopol, Maria Ivopol, Nectara Mircioagă, Mihaela Buleandră, Irinel Adriana Badea, Mariana Pătraşcu 15 Towards a better mathematical modeling of the gas-phase processes in electron-beam flue gas treatment / Valentina Gogulancea, Vasile Lavric 27 Solar powered PEM electrolyser used as ozone generator for tertiary water treatment / Irina-Elena Ciobotaru, Ioana-Alina Ciobotaru, Dănuţ-Ionel Văireanu 35 Chitosan/oxidized exfoliated graphite nanoplatelets adsorptive materials for improved lead adsorption from aqueous solutions / Elena Radu, Ion Ion, Alina Catrinel Ion 45 Modelling and optimization of acetone-butanol-ethanol fed-batch biosynthesis / Brînduşa Sandu (Ohreac), Tănase Dobre, Oana C. Pârvulescu 59 In silico modelling and metabolic engineering of Escherichia coli to succinic acid production / Zsolt Bodor, Andrea (Iuhasz) Fazakas, Szabolcs Lányi, Beáta Ábrahám 71 Synthesis and characterisation of dextran coated hydroxyapatite for environmental applications / Adrian Costescu, Ecaterina Andronescu, Bogdan Ştefan Vasile, Roxana Truşcă, Philippe Le Coustumer, Emil Ştefan Barna, Simona Liliana Iconaru, Mikael Motelica-Heino, Carmen Steluţa Ciobanu 81 Anti-biofilm activity of dextran coated iron oxide nanoparticles / Alina Mihaela Prodan, Ecaterina Andronescu, Roxana Truşcă, Mircea Beuran, Simona Liliana Iconaru, Emil Ştefan Barna, Mariana Carmen Chifiriuc, Luminiţ, Luminiţa Marutescu 91 Electrochemical investigation of certain novel hydrazides bearing pyrazoline-5-one and indole moieties / Dastagiri Reddy Maliki Reddy, Raghavendra Guru Prasad Aluru, Spoorthy Yadati Narasimha, Ravindranath Lakshmana Rao Krishna Rao 111 Lipid nanostructures as optimal carriers for encapsulation of bioactive compounds / Alin Gabriel Borş, Gabriela Niculae, Aurelia Meghea 127 Electrochemical synthesis of silver nanoparticles in aqueous electrolytes / Nicoleta Dobre, Aurora Petică, Mihai Buda, Liana Anicăi, Teodor Vişan 137 Characterization of the eutrophication potential for the lower part of the Danube River / Violeta-Monica Radu, Elena Diacu, Petra Ionescu 147 On the susceptibility of forest biomass for burning and combustion / Dan Pascaru, Cristina Modrogan 155 Food packaging with antibacterial properties / Gabriel Mustăţea, Ioan Călinescu 163 Anaerobic digestion of corn-ddgs: Effect of ph-control, agitation and batch repetition / László Gyenge, Silvia Crognale, Szabolcs Lányi, Beáta Ábrahám, Botond Ráduly 173 Synthesis and characterization of N-[2-(4-methoxyphenyl)ethyl]oleamide / Cătălina Neguţ (Cioateş), Eleonora-Mihaela Ungureanu, Florea Cocu, Constantin Tănase, Constantin Drăghici, Cristian Munteanu

8 MATERIALS SCIENCE 183 In situ AA7XXX/TiB2 composites produced by flux assisted synthesis / Dragoş Marcu, Petru Moldovan, Mihai Buţu, Andrei Berbecaru, Aurel Cosac 193 Electro deposition of m-amino phenol on low carbon steel and corrosion protection studies / Jaydeep Khade, Pravin Deshpande, Shashikant Shashikant 203 Integration des preferences sensorielles des consommateurs dans la caracterisation de materiau bio-source compare avec le materiau synthetique / Ana-Maria Avramescu, Stela Ioniţa, Georgeta Haraga, Elena Ioniţa, Ionuţ-Valentin Radu 215 Experimental researches on briquetting and melting of fine ferrous waste / Cosmin Petre Mititelu, Mircea Hritac, Nicolae Constantin 225 Experimental research on bionanopowders used in SLS and DMLS processes for medical implants manufacturing / Diana Irinel Băilă Oprac. BPK