MEMBRIAlexandru T. BALABANTexas A&M University at Galveston, SUAIon BOLOCANUniversitatea Petrol Gaze PloieºtiMiron Teodor CÃPROIUInstitutul de Chimie Organicã “C.D. Neniþescu” BucureºtiAndrei F. DÃNEÞUniversitatea BucureºtiCorneliu Mircea DAVIDESCUUniversitatea Politehnica TimiºoaraLaurenþiu FILIPESCUUniversitatea Politehnica BucureºtiIonel HAIDUCAcademia RomânãValeriu V. JINESCUUniversitatea Politehnica BucureºtiJiri Jaromir KLEMESUniversity of Pannonia Veszprém UngariaJean-Marie LEHNUniversité Louis Pasteur, Strasbourg, FranþaAngela LUPUUniversitatea Politehnica BucureºtiIonel MANGALAGIUUniversitatea Alexandru Ioan Cuza IasiGheorghe MARIAUniversitatea Politehnica BucureºtiGheorghe D. MATEESCUCase Western Reserve University, Cleveland SUA

Factorul de impact pe anul 2014: 0,810Revista este recenzatã de:CHEMICAL ABSTRACTS, CURRENT CONTENTSANALYTICAL ABSTRACTSºi indexatã deInstitute for Scientific Information (ISI) ºiChemistry Citation Index

Adresa redacþiei: SC BIBLIOTECA CHIMIEI SA - REVISTA DE CHIMIE

Calea Plevnei, Nr. 139B, Sector 6Bucureºti 060011Tel./Fax: (+40) 021 314 24 47www.revistadechimie.ro

Director General SYSCOM 18Ion ANDRONACHEDirector SC BIBLIOTECA CHIMIEI SACarmen IOAN

Redactor ªefCarmen IOANTehnoredactare computerizatãMonica BÃLUÞÃ

REVISTA DE CHIMIEBUCUREªTI ROMÂNIA

COLEGIUL EDITORIALEditor ªefPetru FILIP

Institutul de Chimie Organicã “C.D. Neniþescu” BucureºtiEditor ªef Adjunct

Gheorghiþa JINESCUUniversitatea Politehnica Bucureºti

Revista apare lunarCopyright REVISTA DE CHIMIE

Lucian MOÞIUAGER Consulting SRLMircea MRACECInstitutul de Chimie Timiºoara al Academiei RomâneIon OPREANInstitutul de Chimie “Raluca Ripan” Cluj-NapocaVirgil PERCECUniversity of Pennsylvania, Philadelphia SUAEli RUCKENSTEINThe State University of New York at Buffalo, SUASorin Ioan ROªCAUniversitatea Politehnica BucureºtiIon SANDUUniversitatea “Al. I. Cuza” IaºiIlie SIMINICEANUUniversitatea Tehnicã “Gh. Asachi” IaºiNicolae TOTIRICF “I.G. Murgulescu” BucureºtiPaul VASILESCUUniversitatea Politehnica BucureºtiPavel VLADAcademia de ªtiinþe a MoldoveiLuminiþa VLÃDESCUUniversitatea BucureºtiMaria ZAHARESCUAcademia RomânãInstitutul de Chimie-Fizicã “Ilie Murgulescu” BucureºtiTraian ZAHARESCUICPE-CA Bucureºti

∨ ∨

! ! ! ! ! Societatea de Chimie din România! ! ! ! ! SYSCOM 18 Bucureºti! ! ! ! ! SC Biblioteca Chimiei SA

11REVISTA DE CHIMIE

Bucharest - RomaniaChem. Abs.: RCBUAU 66 (11) (1725 - 1920)

ISSN 0034-7752Vol. 66, no. 11, November, 2015

CONTENTS

Petra Ionescu, Violeta-Monica Radu, Elena DiacuSediments as Indicators of Heavy Metal Contamination in the Lower Danube River..........................................................1725L.T.Busuioc, Claudia Maria Simonescu, Rodica-Elena Patescu, C.Onose, Ioana Melinte,Camelia Capatina, Ramona Amina Popovici, T.CristeaThe Kinetic and Modeling Study of Zinc Sorption onto Chitosan-glutaraldehyde Beads.......................................................1728Olga Niculescu, Minodora Leca, Zenovia Moldovan, Dana Corina DeselnicuObtaining and Characterization of a Product with Antifungal Properties Based on Essential Oilsand Natural Waxes for Finishing Natural Leather..........................................................................................................................1733Gabriela Rau, Anca Mihaela Stoian (Bulearca), Manuela Ileana Petrescu,Denisa Constantina AmzoiuNematic and Smectic Thermotropic Liquid Cristals....................................................................................................................1737C.M.Davidescu, Raluca Dumitru, Adina Negrea, Lavinia Lupa, Mihaela Ciopec, P.NegreaArsenic Removal Through Adsorption on Cobalt Nanoferrite.....................................................................................................1742Florentina Duica, Silvia Stefania Gitman, Corina Loredana Hotoleanu, Alina Nicolescu, D.P.IgaSynthesis of Two New Chromogenic Glycosides of 4-nitrocatechol-α-D-N-acetylmannopyranos-aminide and α-L-rhamnopyranoside, as Substrates for Exoglycosidases..............................................................................1747Oana-Roxana Chivu, C.Rontescu, D.-T.CicicResearch on the Quality of Heterogenous Welded Joints Between Copper and Stainless..................................................1751Ioana Zinuca Pavel, Oana M.Duicu, Corina Danciu, Cristina Dehelean, Florina M.Bojin,V.Paunescu, Danina M.Muntean, A.Sturza, Lavinia NoveanuImmune and Bioenergetic Profiling of a Human Dermal Fibroblast Cell Line.......................................................................1755Iulia Graur, I.Bosoanca, R.Bosoanca, M.Bodor, A.CirciumaruThermal Analysis of Ionic Substances Doped Epoxy....................................................................................................................1759A.Stancu, M.Pentea, Mirela Ahmadi, Liliana Carpinisan, Alina Ghise,Ramona Amina Popovici, R.CristinaHematoxylin-eosin-methylene Blue Staining in a Dog Thromboembolism Case..................................................................1763Vasilica Popescu, Irina Crina Anca Sandu, G.Popescu, A.Popa, C.-D.RaduColorimetric Answer of Monochlorotriazinyl-â-cyclodextrin Grafted onto PAN Support ChemicalModified with NaOH and Amines.....................................................................................................................................................1765Simona Stoleriu, Gianina Iovan, Angela Ghiorghe, Irina Nica, Galina Pancu,A.Georgescu, S.AndrianComparative Study Regarding the Reduction of Dental Hard Tissues Demineralization UsingDifferent Commercial Remineralizing Products............................................................................................................................1772T.Petreus, Ana Maria Holicov, L.B.Tudoran, Gh.Gh.Balan, Dana Elena MitricaSynthesis and Biocompatibility Evaluation for a Phosphorylated Polyvinyl Alcohol Derivative...........................................1775Oana Parteni, C.-D.Radu, A.Muresan, A.V.Sandu, Loti-Cornelia Oproiu,Luminita Ciobanu, I.G.SanduTextile Performances of Some Biomaterials with Controlled Release of a Drug for Cutaneous Therapies.....................1780Mirjana Popovska, Vera Radojkova-Nikolovska, Ana Minovska, Doriana Agop Forna,Lilijana Muratovska, Norina Consuela FornaEthiopatogenetic Biochemical Mechanism Involved in Oral Lichen Planus..........................................................................1786Alina-Diana Panainte, Luminita Agoroaei, Nela Bibire, Gladiola Tantaru, M.Apostu,Madalina Vieriu, F.A.SpacA HPLC Method for the Determination of Bisoprolol in Tablets and its Application to aBioequivalence Study...........................................................................................................................................................................1791Oana Borhan, A.Muresan, C.-D.Radu, E.Muresan, Cristina Rimbu, I.G.SanduSilver Nanoparticles Used to Obtain Cellulosic Materials with Antibacterial Properties.......................................................1796Laura Corina Nicolescu, B.Tita, Tunde Jurca, Eleonora Marian, D.TitaThermal Stability of Piroxicam-Active Substance and Tablets. I.Kinetic study of the activesubstance under non-isothermal conditions..................................................................................................................................1802

Erratum: 1779

Minodora Maria PasareThe Precise Evaluation of the Stiffness of Square Threaded Screws........................................................................................1807Mihaela Bombos, Steliana Cristea, Emilia Oprescu, G.Vasilievici, D.Bombos, I.BolocanTriglycerides Hydroconversion of Sunflower Oil on Ru/ã-Alumina Catalyst............................................................................1810Mariana Daniela Berechet, Maria Daniela Stelescu, Elena Manaila, Gabriela CraciunChemical Composition of the Essential Oil of Artemisia absinthium from Romania...........................................................1814Aurelia Piscureanu, Irina Chican, Dana Varasteanu, Mirela Dulama, M.RuseAspects Concerning the Selectionof Ion Exchange Resin for Low Level Radwaste Waters Decontamination.............1819St.G.Soriga, Petrica Iancu, Isabela Costinela Man, G.Marton, V.PlesuOptimizing Parallel Electronic Structure Calculations Through Customized Software Environment: StudyOf GPAW on Small HPC Clusters......................................................................................................................................................1826V.V.Jinescu, Angela Chelu, Nicoleta Teodorescu, Vali-Ifigenia TeodorescuStrength of Tubular Samples and Tubular Cracked Junction Under Combined Loads..........................................................1832C.Marculescu, I.Minca, Fanica BacalumPyrolysis Processing of Organic Residues and Operating Parameters Influence on Products Distribution.....................1837Liliana Rozemarie Manea, Elena Nechita, I.SanduElectrospinning of Polyetherimide (PEI) Solution. Effect of nozzle size on the diameter of the fiber................................1841M.Axinte, Carmen Nejneru, Manuela-Cristina Perju, A.V.Sandu, Marinela-Delia Aelenei,Maria CosteaCorrosion Behaviour of Some Steels in Black Sea Water.............................................................................................................1846Gabriela Bucur, A.-G.Moise, Cristina PopescuSimulation of Gas Dehydration Plants Safe Operation in Chemical Industry.........................................................................1852Gh.Branoiu, Tudora Cristescu, Maria Stoicescu, Monica-Emanuela Stoica, S.SudituMineralogical Investigations by X-rays Diffraction to Identify the Causes of Blocking Filtersin the Injection Process of Connate Water for an Oil Field in Romania....................................................................................1860Cristina Furnica, Maria-Magdalena Leon Constantin, Raluca Ozana Chistol,Anisia-Iuliana Alexa, S.Constantin, G.TinicaInadequate Medication Side Effects in Psychiatrical Pathology.................................................................................................1864C.Patrascioiu, G.StamatescuPetroleum Fractions Liquid-Vapor Equilibrium Simulation using Unisim Design®................................................................1867Lucia Barlean, Andra Aungurencei, O.Aungurencei, Mihaela Monica Scutariu,Carina Balcos, Mihaela MoiseiLatex Glove Allergy Among Dentists in Iasi, Romania.................................................................................................................1877M.R.Wachter, Ioana Ionel, Adina Negrea, D.Cebrucean, V.Manzatu, Mihaela CiopecLeaching Investigation of Coal Fly Ash and Dry Desulphurisation Residues by Stabilization into Ash Rock...................1881Gh.Romanescu, Alina Tirnovan, Gianina Maria Cojoc, D. T. Juravle, I.SanduGroundwater Quality in Suha, Basin (Northern Group of Eastern Carpathians).....................................................................1885Gh.Bumbac, D.BombosCO2 Capture on Zeolites for Sustainable Energy Production.......................................................................................................1891Valentina Gogulancea, I.Calinescu, V.LavricContribution to the Mathematical Modeling of Electron Beam Flue Gas Treatment.............................................................1896Oana-Roxana Ciobotariu, V.Bria, Iulia Graur, Doina-Carmina VoinescuElectric Conductivity of Modified Epoxies.......................................................................................................................................1903Mihaela Moisei, Lucia Barlean, Carina Balcos, Dana Baciu, Sorina Solomon,Silvia Martu, Mariana IlieAssessment of Dietary Carbohydrate Intake of the Iasi School Children Aged 7-10 Years..................................................1907Ana Maria Bargan (Mateiuc), Gabriela Ciobanu, T.Malutan, C.LucaInfluence of Ce(IV) and Bismuth(III) on the Luminescence Properties of theNanocrystalline Hydroxyapatite........................................................................................................................................................1910V.C. Daliborca, V. Dumitrascu, Roxana Popescu, Adinela Cimporescu, C. S. Vlad,Corina Flangea, Daniela S. Grecu, C. Vagvolgyi, T. Papp, F. HorhatGas Chromatography-mass spectrometry evidences for new chemical insights of Momordica charantia....................1914

! ! ! ! ! Societatea de Chimie din România! ! ! ! ! SYSCOM 18 Bucureºti! ! ! ! ! SC Biblioteca Chimiei SA

REVISTA DE CHIMIEBucuresti - România

Chem. Abs.: RCBUAU 66 (11) (1725 - 1920)ISSN 0034-7752

Vol. 66, nr. 11, noiembrie, 2015

CUPRINS

11

Petra Ionescu, Violeta-Monica Radu, Elena DiacuUtilizarea sedimentelor ca indicatori ai contaminarii cu metale grele a Dunarii de Jos......................................................1725L.T.Busuioc, Claudia Maria Simonescu, Rodica-Elena Patescu, C.Onose, Ioana Melinte,Camelia Capatina, Ramona Amina Popovici, T.CristeaStudiu cinetic si de modelare a sorbtiei zincului pe particule de chitosan - glutardialdehida.............................................1728Olga Niculescu, Minodora Leca, Zenovia Moldovan, Dana Corina DeselnicuObtinerea si caracterizarea unui produs cu proprietati antifungice pe baza de uleiuri esentialesi ceruri naturale pentru finisarea pieilor naturale.........................................................................................................................1733Gabriela Rau, Anca Mihaela Stoian (Bulearca), Manuela Ileana Petrescu,Denisa Constantina AmzoiuSinteza unor noi tipuri de cristale lichide.........................................................................................................................................1737C.M.Davidescu, Raluca Dumitru, Adina Negrea, Lavinia Lupa, Mihaela Ciopec, P. NegreaIndepartarea arseniului prin adsorbtie pe nanoferita de cobalt.................................................................................................1742Florentina Duica, Silvia Stefania Gitman, Corina Loredana Hotoleanu, Alina Nicolescu, D.P. IgaSinteza a doua noi glicozide cromogenice ale 4-nitrocatecolului -α- D-N-acetilmanopiranozaminida siα-L-ramnopiranozida, ca substaturi pentru exoglicozidaze.......................................................................................................1747Oana-Roxana Chivu, C. Rontescu, D.-T. CicicCercetari privind calitatea imbinarilor sudate heterogenice dintre cupru si otel....................................................................1751Ioana Zinuca Pavel, Oana M.Duicu, Corina Danciu, Cristina Dehelean, Florina M.Bojin,V.Paunescu, Danina M.Muntean, A.Sturza, Lavinia NoveanuCaracterizarea profilului imun si bioenergetic al unei linii celulare de fibroplaste dermice umane..................................1755Iulia Graur, I.Bosoanca, R.Bosoanca, M.Bodor, A.CirciumaruAnaliza termica a substantelor ionice dopate cu rasini epoxi....................................................................................................1759A.Stancu, M.Pentea, Mirela Ahmadi, Liliana Carpinisan, Alina Ghise,Ramona Amina Popovici, R.CristinaUtilizarea coloratiei hematoxilina-eozina-albastru de metilen in diagnosticareatromboembolismului pulmonar la caine.......................................................................................................................................1763Vasilica Popescu, Irina Crina Anca Sandu, G.Popescu, A.Popa, C.-D.RaduEfectul colorimetric al grefarii monoclorotriazinil -β−ciclodextrin pe un suport de PAN modificat chimiccu NaOH si amine ...............................................................................................................................................................................1765Simona Stoleriu, Gianina Iovan, Angela Ghiorghe, Irina Nica, Galina Pancu,A.Georgescu, S.AndrianStudiu comparativ privind capacitatea unor produse comerciale de remineralizare de a reducedemineralizarea tesuturilor dure dentare........................................................................................................................................1772T.Petreus, Ana Maria Holicov, L.B.Tudoran, Gh.Gh.Balan, Dana Elena MitricaSinteza si evaluarea biocompatibilitatii unui derivat al alcoolului polivinilic fosforilat..........................................................1775Oana Parteni, C.-D.Radu, A.Muresan, A.V.Sandu, Loti-Cornelia Oproiu,Luminita Ciobanu, I.G.SanduPerformante textile ale unor biomateriale cu eliberare controlata a unui medicament pentru terapii cutanate...........1780Mirjana Popovska, Vera Radojkova-Nikolovska, Ana Minovska, Doriana Agop Forna,Lilijana Muratovska, Norina Consuela FornaEtiopatogenia mecanismului biochimic implicat in lichenul plan ...........................................................................................1786Alina-Diana Panainte, Luminita Agoroaei, Nela Bibire, Gladiola Tantaru, M.Apostu,Madalina Vieriu, F.A.SpacO metoda HPLC de determinare a bisoprololului fumarat din comprimate si utilizarea sa intr-un studiu de bioechivalenta...................................................................................................................................................... 1791Oana Borhan, A.Muresan, C.-D.Radu, E.Muresan, Cristina Rimbu, I.G.SanduNanoparticule de argint utilizate pentru obtinerea unor materiale celulozice cu proprietati antibacteriene..................1796

Erata: 1779

Laura Corina Nicolescu, B.Tita, Tunde Jurca, Eleonora Marian, D.TitaStabilitatea termica a piroxicamului - substanta activa si tablete. I. Studiul cinetical substantei active in conditii neizoterme.....................................................................................................................................1802Minodora Maria PasareEvaluarea exacta a rigiditatii suruburilor cu filet patrat................................................................................................................1807Mihaela Bombos, Steliana Cristea, Emilia Oprescu, G.Vasilievici, D.Bombos, I.BolocanHidroconversia trigliceridelor din uleiul de floarea soarelui pe catalizatori de ruteniu / γ - alumina..................................1810Mariana Daniela Berechet, Maria Daniela Stelescu, Elena Manaila, Gabriela CraciunCompozitia chimica a uleiului esential de pelin din Romania....................................................................................................1814Aurelia Piscureanu, Irina Chican, Dana Varasteanu, Mirela Dulama, M.RuseAspecte privind selectia rasinilor schimbatoare de ioni pentru decontaminarea apelor uzatecu nivel de radiaoctivitate joasa .......................................................................................................................................................1819St.G.Soriga, Petrica Iancu, Isabela Costinela Man, G.Marton, V.PlesuOptimizarea calculelor paralele de structura electronica prin particularizarea mediului de lucru software.Studiu pentru utilizarea aplicatiei GPAW pe clustere cu numar redus de noduri..................................................................1826V.V.Jinescu, Angela Chelu, Nicoleta Teodorescu, Vali-Ifigenia TeodorescuRezistenta epruvetelor tubulare si a jonctiunilor tubulare cu fisuri la solicitari compuse....................................................1832C.Marculescu, I.Minca, Fanica BacalumPrelucrarea prin piroliza a deseurilor organice si influenta parametrilor de operare asupra distributiei produselor......1837Liliana Rozemarie Manea, Elena Nechita, I.SanduElectrofilarea solutiei de polietilenimida (PEI). Efectul finetii acului asupra diametrului fibrelor.......................................1841M.Axinte, Carmen Nejneru, Manuela-Cristina Perju, A.V.Sandu,Marinela-Delia Aelenei, Maria CosteaComportarea la coroziune a unor oteluri in apa Marii Negre.......................................................................................................1846Gabriela Bucur, A.-G.Moise, Cristina PopescuSimularea sigurantei in functionare a instalatiei de uscare a gazelor destinate industriei chimice..................................1852Gh.Branoiu, Tudora Cristescu, Maria Stoicescu, Monica-Emanuela Stoica, S.SudituStudii mineralogice prin difractie de raze X pentru identificarea cauzelor blocarii filtrelor in procesul de injectare a apei interstitiale pentru un camp petrolier din Romania ...........................................................1860Cristina Furnica, Maria-Magdalena Leon Constantin, Raluca Ozana Chistol,Anisia-Iuliana Alexa, S.Constantin, G.TinicaStudiul efectelor secundare ale medicamentatiei inadecvate asupra patologiei psihiatrice.............................................1864C.Patrascioiu, G.StamatescuSimularea echilibrului lichid-vapori a fractiilor petroliere folosind Unisim Design.................................................................1867Lucia Barlean, Andra Aungurencei, O.Aungurencei, Mihaela Monica Scutariu,Carina Balcos, Mihaela MoiseiAlergia stomatologilor din Iasi la manusile din latex....................................................................................................................1877M.R.Wachter, Ioana Ionel, Adina Negrea, D.Cebrucean, V.Manzatu, Mihaela CiopecStudiul perclorarii cenusii de carbune si de sulfurarea uscata a reziduurilorprin stabilizare la o cenusa solida.....................................................................................................................................................1881Gh.Romanescu, Alina Tirnovan, Gianina Maria Cojoc, D. T. Juravle, I.SanduCalitatea apelor subterane din bazinul hidrografic Suha (grupa nordica a Carpatilor Orientali)........................................1885Gh.Bumbac, D.BombosCapturarea CO2 pe zeoliti pentru producerea energiei sustenabile...........................................................................................1891Valentina Gogulancea, I.Calinescu, V.LavricContributii la modelarea matematica a depoluarii gazelor de ardere folosind fascicul de electroni accelerati............1896Oana-Roxana Ciobotariu, V.Bria, Iulia Graur, Doina-Carmina VoinescuConductivitatea electrica a rasinilor epoxidice modificate.........................................................................................................1903Mihaela Moisei, Lucia Barlean, Carina Balcos, Dana Baciu, Sorina Solomon,Silvia Martu, Mariana IlieEvaluarea consumului de carbohidrati prin dieta la copiii scolari cu varste cuprinse intre 7 si 10 ani din Iasi................1907Ana Maria Bargan (Mateiuc), Gabriela Ciobanu, T.Malutan, C.LucaInfluenta ionilor de ceriu (IV) si bismut (III) asupra proprietatilorde luminescenta ale hidroxiapatitei nanocristaline......................................................................................................................1910V. C. Daliborca, V. Dumitrascu, Roxana Popescu, Adinela Cimporescu, C. S. Vlad, Corina Flangea,Daniela S. Grecu, C. Vagvolgyi, T. Papp, F. HorhatCercetari gazcromatografice cuplate cu spectrometrie de masa pentru determinareaunor noi perspective chimice de utilizare a castravetului amar.................................................................................................1914

REVISTA DE CHIMIESI

REVISTA MATERIALE PLASTICEPOT FI ACCESATE GRATUITLA URMATOARELE ADRESE:

http://www.revistadechimie.ro/http://www.revmaterialeplastice.ro/

FREE WEB ACCESS FORREVISTA DE CHIMIE

ANDMATERIALE PLASTICE

http://www.revistadechimie.ro/http://www.revmaterialeplastice.ro/