Volume 15, Number 1 (2004)

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Table of contents:

Cover

Synthesis of LiMnxCo1-xO2 by different low – temperature techniques

Ionela CARAZEANU, Elisabeta ChirilĂ, Alina BĂdĂnoiu Georgeta Voicu and Carmen GUGUŢĂ

The study of manganese content in soil, wheat grain and wheat plants

Maria CIOROI and Traian FLOREA

Determination of vitamin D in pharmaceutical products – spectrophotometric methods Ana – Maria HOSSU and Vasile MAGEARU

Development of affinity biosensors for direct detection of insecticides

Camelia BALA, Lucian ROTARIU and Vasile MAGEARU

New enzymatic biosensors for environmental and food quality control

Camelia BALA, Lucian ROTARIU and Vasile MAGEARU

The phosphorus biogeochemical cycle in Braşov district lakes

Luminiţa ISAC, Lucia DUMITRESCU, Dorina DRĂgan, Ileana MANCIULEA and Rodica ŢICĂ .

Thin layer mercury film electrode in flow injection systems

N.K.NIKOLOV and Zh.DENCHEV

Analytical behavior of thin double layer mercury film electrode

Zh. DENCHEV and N.K.NIKOLOV .

Analytical characterization of an ecosystem of Vrancea mountains

Anca DUMBRAVA, Semaghiul BIRGHILA and Simona DOBRINAS

Occurrence of some metals in different marine water by FAAS

Carmen GUGUTA, Camelia DRAGHICI, Elisabeta CHIRILA and Ionela CARAZEANU

Total chromium determination in seaside lake and marine ecosystems

Elisabeta CHIRILA, Camelia DRĂGHICI and Ionela CARAZEANU

About Cd, Fe, Mn and Zn occurrence in “Tăbăcărie” lake ecosystem

Elisabeta CHIRILĂ,Camelia DRĂGHICI and Ionela CARAZEANU

Research concerning the biodegradation process of lipids

Ileana Manciulea, Lucia DUMITRESCU, Luminiţa Isac and Rodica Ţică

The study of the possibilities of fuel oil recovery in loading platforms of petroleum products

Ion ONUŢU and Gheorghe BREBEANU.

Sustainable Development by Composting the Municipal Solid Waste

Lucia DUMITRESCU, Luminiţa ISAC, Ileana MANCIULEA, Silvia PAŢACHIA, Rodica ŢICĂ and Gheorghe ROMAN.

Potentiometric determination of cadmium in fertilizers

Alina Catrinel ION, Ion ION and Luminiţa BARBU .

Determination of Vitamin C from different fruits

Nicoleta MATEI, Semaghiul BIRGHILĂ, Vasile MAGEARU, Viorica POPESCU, Simona DOBRINAŞ and Alina SOCEANU.

Contribution to the chemistry of bacterial oxidizing on mineral sulphides

Vasile OROS

Preventing of corrosion using alkyl benzoic acids salts

Viorica POPESCU, Semaghiul BIRGHILA, Simona DOBRINAS, Alina SOCEANU and Nicoleta MATEI.

Interaction of type I fibrilar collagen with some low molecular weight compounds

Minodora LECA

Isothermal vapour-liquid equilibria for the dimethyl sulfoxide +1,4-dimethyl benzene binary mixture. Experimental and correlated data.

O. CIOCIRLAN, Olga IULIAN and Irina NITA

Modeling the capacity of a lead-acid battery

Irina NITA and Olga IULIAN.

Synthesis of some p-nonilphenol-cyclohexanon formaldehydics epoxidate resins

Nicolae RASANU, Dan MANDALOPOL and Anişoara ZAHARIA

The cellulose scaling in ultrasonic field from wooden material

Nicolae RASANU, Vasile MARZA and P. GRIGORE

Microwave-assisted solid-phase synthesis of some heterocyclic compounds via palladium-mediated heteroannulation

Adriana FINARU, Sabine BERTEINA-RABOIN, Thierry BESSON and Gérald GUILLAUMET.

AFacile Method for Synthesis of Disubstituted Aminochromanols

Adriana FINARU, Alexandru CASCAVAL, Axel COUTURE and Pierre GRANDCLAUDON.

Stability analysis of some cosmetic emulsions

Magdalena MITITELU and Gabriela STANCIU

Formulation of some cosmetic emulsions with octyl methoxy cinamate

Magdalena MITITELU, Gabriela STANCIU, Forentina RONCEA and Simona GUTAGA.

New compact condensed sistems thiazolo-chinoxalines

Cristiana RADULESCU, Corneliu TĂRĂBĂŞANU MIHAILA, Ionica IONITA and Lucian IRIMESCU

Azodyes with photochromic proprieties

Ionica IONIŢĂ, Corneliu TĂRĂBĂŞANU MIHĂILĂ and Cristiana RĂDULESCU

Ecological detergents containing bioactive substances

Carmen ALBULESCU, Iulian Stanciu, Stefana Jurcoane and Liviu ALBULESCU.

Research regarding the chemical modification of wood

Lucia DUMITRESCU.

Reactive dyes, derivatives of 4-hydroxy-7-isothiocyanate-2-naphtalenesulfonic acid

Crinela DUMITRESCU, Laura GORGHIU, Radu OLTEANU and Irina MOATER

Developing colours, derivatives of 4-hydroxy-7-isothiocyanate-2-naphtalenesulfonic acid

Crinela DUMITRESCU, Laura GORGHIU and Radu OLTEANU.

Cooling water treatment – Controlled pH vs. free pH

Lucian GAVRILĂ and Daniela GAVRILĂ

Corrosion mitigation and heat transfer improvement in refineries cooling systems

Lucian GAVRILĂ and Daniela GAVRILĂ

Adding value to the air separation by cryogenic distillation

Claudia Irina KONCSAG .

The efficiency of the absorption process of mercaptans in amine solutions

Claudia Irina KONCSAG and Anca Elena Eliza STERPU

The application of fractals geometry to structural characterization by light microscopy of microspheric catalysts

Melta VISINESCU, Valentina ALBU and Mihaela POPESCU.

Selective hydrogenation of pyrolisis gasoline on different catalytic systems

Anca APREOTESEI – GHITAU, Gabriela FOCSANEANU, Simona LEPADAT and Veronica STĂNIŞTEANU

Study for FCC naphtha hydrodesulfurization with a trimetallic catalyst

Anca APREOTESEI – GHITAU , Gabriela FOCSANEANU and Simona LEPADAT

Sanogenetic textiles

Carmen ALBULESCU, Andrei SARBU, Vasilica BERCEA and Liviu ALBULESCU.

Correlation of cold filter plugging point with chemical composition of diesel fuels

Gheorghe BREBEANU, Ion ONUTU and Cristina DUSESCU.

Technological parameters that influence the BTX aromatic yields in gasolines obtained in pyrolysis

Daniela Gh. APOSTOL-IONESCU

The correlation feedstock – catalyst in catalytic cracking

Loredana DRAGHICIU and Constantin IONESCU.

Deep hydrodesulphurisation of gas oils from different origin in batch reactor

Anca STERRY, and Lucia ANTONESCU

Deep hydrodesulphurisation in batch reactor. Effect of aromatics and nitrogen compounds

Anca STERRY, Lucia ANTONESCU, Ileana CAMENIŢĂ, and Ana DINCĂ

Higher heat recovery from a delayed coking unit

Maximiliana PĂTRAŞCU and Maria POPA

Behaviour of the additives in plastic lubricants

Ciprian Anghel, Marcel Luca and Florentina Flueraru.

Thread compounds for casing, tubing and line pipe

Ortansa Florea, Marcel Luca, Anca Constantinescu and Camelia Steliean.

Readily biodegradable lubricants

Ortansa FLOREA, Marcel LUCA, Anca CONSTANTINESCU and Camelia STELIEAN.

The influence of the storage conditions on the evaporative losses from oil tanks

Paul ROŞCA, Constantin TĂNĂSESCU, Raluca DRAGOMIR and Gheorghe BREBEANU

Design management activity as part of processing oil industry 

Dan MANDALOPOL and Daniela APOSTOL IONESCU

Managerial strategies regarding liquid petroleum (FLP) store and distribution 

Dan MANDALOPOL and Daniela APOSTOL IONESCU .

Occurrence of copper in the Black Sea ecosystem by FAAS

Elisabeta CHIRILĂ, Florina MĂCĂU, Daciana SAVA, Verginica ŞERBAN, Ana-Maria MIHĂLCESCU and Marius BELC

 

Volume 13 (2002)

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Table of contents:

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Template condensation reaction1. XI. Ba(II), Ni(II), Co(II) and Cu(II) complexes with the Schiff base derived from 2,2’ – methylenebiscyclohexanone and diethylenetriamine

Rodica OLAR,Dana MARINESCU, Elena CRISTUREAN, Mihaela BADEA, Lucia IVAN and Anca DUMBRAVA

Complexes with triazole derivatives. I. Mononuclear complexes of Ni(II) and Cu(II) with 1-[methylamino-N-(o-tolyl)]-1H-benzotriazole

Mihaela BADEA, Rodica OLAR, Dana MARINESCU, Elena CRISTUREAN, Lucia IVAN and Anca DUMBRAVA.

Effect of K2CO3 Fluxing Agent on the Al18B4O33 Chemical Synthesis

Ionela CARAZEANU and Carmen GUGUŢĂ

Characterization of alumina and borated alumina supported catalysts

Ionela CARAZEANU and Carmen GUGU ŢĂ .

Hydration process of CaAl2O4 synthesized by unconventionally methods

Ionela CARAZEANU and Elisabeta CHIRILĂ

Lead occurrence in the Black Sea ecosystem by FAAS

Elisabeta CHIRILĂ, Iulia LINCU, Daciana SAVA, Verginica ŞERBAN, Ana- Maria MIHĂLCESCU and Marius BELC

Soil Heavy Metals Determination in Precinct of “Palas” Thermoelectric Power-Station 

Elisabeta CHIRILA, Marius BELC, and Iuliana ANGHEL

Studies about some azo dyes decomposition in the ultrasonic field

Nicolae RĂŞANU, Elisabeta CHIRILĂ, Vasile MÂRZA and Simona DOBRINAŞ

The behavior of some triarylmethanic dyes in the ultrasonic field

Nicolae RASANU, Elisabeta CHIRILA, Simona DOBRINAS and Vasile MIRZA

Synthesis of optically pure chirals by the anodic oxidation of tartric esters
Gabriela STANCIU , Mihaela UNGUREANU and Magdalena MITITELU.

The cellulose destroy in ultrasonic field

Vasile MARZA, Nicolae RASANU and Nicoleta MATEI.

Study of the thermal behaviour and structure of Mg(II) in the heterocyclic complexes

Rodica SÎRBU, Carmen KLIMSE, Constanţa SAVA, Mihaela Mirela BRATU, Magda MITITELU and Aneta TOMESCU

The behavior of aqueous solutions of KSCN and NH4SCN in binary and ternary systems at liquid – solid equilibrum

Rodica SÎRBU, Claudia-Irina KONCSAG and Ticuţa NEGREANU PÎRJOL

Depressants additives for crudes

Nicolae RASANU, Dan MANDALOPOL and Anca TOIU

Loss current model for a lead-acid battery acting as energy storage unit in a stand-alone renewable energy system

Irina NITA , Olga IULIAN and Oana CIOCARLAN

Mathematical model for homogenizing in agitator vats of the polystyrene solutions in o-Xylene

Ancaelena Eliza STERPU, Claudia – Irina KONCSAG and Carmen BATUTU

Mass transfer study at the extraction of H2S from liquid hydrocarbon fractions with MEA solutions. Estimation of chemical enhancement factor

Claudia – Irina KONCSAG, Anisoara Arleziana ZAHARIA and Geta MAIORU

New studies about the thermal stability of some complex combinations

Viorica POPESCU and Semaghiul BIRGHILĂ.

Rheological behavior of some pharmaceutical emulsions

Andra TĂMAŞ, Lavinia URŞICA and Romulus MINEA.

Separation and Characterization of Lipid Fractions from Rapana thomasiana

Magdalena MITITELU, Gabriela STANCIU and Mircea CRASMARU.

The diagnosis of the flow in a catalyst granular layer

Ancaelena E. STERPU, Raluca LAINER and Claudia– Irina KONCSAG

 

 

Volume 12 (2001)

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Table of contents:

Cover

Complex compounds with mixed ligands II. Complex compounds of cadmium and iron with p-diaminobenzene and thiosulfate

Anca DUMBRAVĂ, Rodica OLAR and Irina ENACHE.

Chemical preparation of Ca12Al14O33 by Self Propagating Combustion Synthesis

Ionela CARAZEANU and Elisabeta CHIRILĂ..

DTA studies of hydration process in 3CaO·SiO2 – plasticizer – water systems

Ionela CARAZEANU and Maria GEORGESCU

Cadmium determination in water, fish and sediment of “ Tăbăcărie” lake

Elisabeta CHIRILĂ and Ionela CARAZEANU

Kinetic spectrometric method for some anionic surfactant determination in aqueous solutions

Elisabeta CHIRILĂ, Ionela CARAZEANU and Simona DOBRINAŞ.

Determination of some organic pollutants by gas cromatography coupled with mass spectrometry

Simona DOBRINAŞ and Valentina COATU

Preliminary studies regarding the analytical characterization of vegetable extracts for cosmetic use by HPLC

Constanţa SAVA and Elisabeta CHIRILĂ

The analysis of marine lipids for pharmaceutical use

Magdalena MITITELU, Mircea CRĂŞMARU, Gabriela STANCIU and Sanda DAN.

Study on the concentration of uronic acids and iduronic acids form an active vegetal principle

Doina Paula BALABAN and Gabriela STANCIU

Fat unsaturated acids value form some usualli ointment bases and different oils from marine organisms

Sanda DAN and Magdalena MITITELU

Studies about the H2S and sulfides removal from wastewater

Elisabeta CHIRILĂ and Ionela CARAZEANU

Determination of Vitamin C from fruit juices and pharmaceuticals

Nicoleta MATEI and Semaghiul BIRGHILĂ

Ferrocene-derivatives macrocyclic compounds for mplecular recognition

Gabriela STANCIU, Doina Paula BALABAN, Magdalena MITITELU and Mihaela UNGUREANU

The stability study of antimicotic ointment with shark liver oil

Magdalena MITITELU, Victoria HÂRJĂU, Gabriela STANCIU and Mihaela SMARANDACHE

N-hydroxyphtalimide derivatives with antifouling activity

Nicolae RĂŞANU and Lucica BARBEŞ

The synthesis and fireproof properties of some polyhalogenated esters

Nicolae RĂŞANU and Lucica BARBEŞ

Preliminary study of mass transfer for liquid – liquid extraction on a new type of structured packing

Claudia – Irina KONCSAG, Elena GRAURE and Rodica SÎRBU

Relative rates of ethane-propane decomposition under operating conditions

Dan MANDALOPOL.

Hydrogenated distillates pyrolysis modeling study

Dan MANDALOPOL

 

Volume 11 (2000)

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Table of contents:

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Studies on the formation of LaCr1-xMxO3 (M = Cu, Ni) from complex precursors

Daniela BERGER, Victor FRUTH, Petre NIŢĂ, Magdalena BOSOMOIU and Ioana JITARU.

Synthesis and characterisation of new Cu(II) and Mn(II) complex compounds with phenothiazine derivative with biological properties

Simona PAŞOLESCU, Cornelia GURAN, Elena BÂCU, Ioana CIOCOIU, Dalila SAMSON, Călin CIOCOIU and Ticuţa NEGREANU-PÎRJOL

The co-ordination chemistry of some oligopyridine derivatives. 1. Complex compounds of ethyl-3-benzoyl-5-(2’-pyridil)-indolizine-1-carboxylate with Fe(III), Cr(III) and Cu(II)

Florina DUMITRU, Mioara ANDREI, George CARAMAN, Ion DRUŢĂ and Cornelia GURAN.

Mono – and polynuclear complex compounds of gadolinium with cyclic structure oxine –based ligands

Adina RUS, Mihai BĂRBOIU, Antoaneta DINCĂ and Cornelia GURAN

Complex compounds with ligands of IMAO type

Michaela Dina STĂNESCU, Ovidiu OPREA, Oana Adriana JINGA and Ioana JITARU

Schiff bases derived from 2-formylmenthone and 3-formylcamphor with aromatic amine

Adalgiza CIOBANU, Florica ZĂLARU, Christina ZĂLARU, Călin SFERDEAN and Cristian DOBROTĂ

Nonconventional methods for the separation recovery of metalic ions in aqueous systems

Ligia STOICA, Carolina CONSTANTIN, Florin DINU and Adriana ORDEANU.

Kinetic aspects of Cu (II) separation by flotation with anionic collector

Ligia STOICA, Gabriela Carmen OPROIU and Adriana ORDEANU.

Physico-chemical study of folic acid from some vegetables

Milpomenia GEORGESCU, Bianca FURDUI, Rodica DINICĂ and Octavian GEORGESCU

Study on the volatile products from the Maillard reaction 

Alina ELISEI and Lucian Puiu GEORGESCU.

The study of the reducing effect variation in the glucose–glycine model system

Maria CIOROI

Analytical control for the tertiary treatment stage of petrochemical effluent

Elisabeta CHIRILĂ

The determination of NSF plasticizer by UV – VIS spectrometric method

Simona DOBRINAŞ, Ionela CARAZEANU and Elisabeta CHIRILĂ.

Coupled techniques applied to some vitamins determination

Constanţa SAVA

High performance liquid chromatography in antibiotics separation and determination

Constanţa SAVA

High performance liquid chromatography in sulphonamides separation and determination

Constanţa SAVA

Natural products with antiradical and antioxidant properties

Constantin APETREI and Lucian-Puiu GEORGESCU.

Structure-reactivity relationships of antioxidant flavonoids

Valeria-Marta Gorduza, Corneliu TĂRĂBĂŞANU-MIHĂILĂ, Vlad Gorduza, Corina CERNĂTESCU and Manuela RUSU.

Dyestuffs for liquid crystals

Ion SEBE and Elena ŢÎNŢĂVEANU

Reactive isothiocyanic dyes – synthesis and characteristics

Crinela DUMITRESCU, Corneliu TĂRĂBĂŞANU-MIHĂILĂ and Florin MARIŞ.

New substituted 2-(pyrazol-1-yl) acetanilides with potential local anesthetic and antiarrhythmic action. Part IV

Mircea IOVU, Christina ZĂLARU, Florea DUMITRAŞCU and Constantin DRĂGHICI

Synthesis of new cholesteryl and stigmasterol derivatives

Carmen CÎRLĂNARU, Gabriela IONIŢĂ, and Lavinia TĂTARU

Products obtained through sucrose co-crystallisation with food additives

Nicolae BUŢU, Costel APETREI and traian Florea

Oxidation of benzyl alcohol, microwave assisted

Ioan CĂLINESCU, Lambrache PAPAHAGI, Chipurici PETRE and Diana MARTIN

Note II. The synthesis of some nitrogen and sulfur-containing heterocyclic compounds using , -unsaturated thioamides as precursors

Iuliana HARASIM, Lucia IVAN and Irina ZARAFU

Molecular redox receptors for cations sensing

Eleonora-Mihaela UNGUREANU, Alina-Catrinel ION, Ion ION and Angela POPESCU.

Optimised Prussian Blue modified electrodes used for the electrochemical oxidation of organic substrates

Eleonora Mihaela UNGUREANU and Stelian LUPU

Preparation and characterization of some more soluble polyester-imides for electrotechnical use

Minodora LECA

The influence of O2 over an oscillating system of Belousov – Zhabotinsky type

Rodica VÎLCU, Daniela BALA and Tiberiu Dinu DANCIU

Removal of some stains in the detergency process

Stela FLORESCU, Minodora LECA and Anca GOLGOJAN

Thermodynamical characterization of Black Sea water by Pitzer’s model

Rodica SÎRBU and Rodica VÎLCU

Closed-cycle technology for the decontamination of electroplating wastewaters

Ilie SIMINICEANU and Severin PIASKOVSKI

Oxidation of aromatic hydrocarbons with hydrogen peroxide

Petre CHIPURICI, Radu AVRAM, Ioan CĂLINESCU and Lambrache PAPAHAGI

Photodegradation of Reactive Yellow 84 azo dye in the textile wastewater

Ilie SIMINICEANU, Mariana NEAMŢU and Matei MACOVEANU.

Catalytic activity of ultra stable Y-type (USY) zeolite

Dorin STĂNICĂ-EZEANU and Daniela APOSTOL

Nonconventional cellulosic materials for reactive dyes recovery from wastewater

Valeria-Marta Gorduza. Daniela Şuteu and Lavinia tofan

A new fluid – dynamic model of the absorption columns with structured packing

Ilie SIMINICEANU, Mihaela DRĂGAN, Anton FRIEDL, Michael HARASEK and Simion DRĂGAN

Macrokinetics of flue gas desulfurization by the reaction with calcined limestone

Ilie SIMINICEANU, Simion DRĂGAN, Anton FRIEDL, Michael HARASEK and Mihaela DRĂGAN

Two dimensional model for the simulation of tubular reactors for thermal cracking

Dan MANDALOPOL, Daniela APOSTOL, Luminiţa MOISEI and Anca STERPU

The recovering of sodium sulfate from the residue obtained in semi-synthesis process of penicillin

Maria Ivaniciuc

Modeling and simulation of the industrial reactor for carbon dioxide absorption into activated potassium carbonate aqueous solutions

Maria Ivaniciuc and Ilie SIMINICEANU

Researches for pitting corrosion combat in the refinery units

Gheorghe CONSTANTINESCU, Ştefan IVĂŞCAN, Ovidiu GEORGESCU and Nicolae APOSTOLESCU

Administration and monitoring of the petrochemical industry information

George STĂNESCU and Dan MANDALOPOL

The technological and technical risk in the petrochemical industry

Alexandru NICOLCIOIU and Dan MANDALOPOL