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CONTENTS

Theoretical and Experimental Research of the Overlap Effects in the 
Quadrupole Mass Spectrometric Analysis of Hydrogen Isotopes Mixtures
Alina Stefanescu, Nicolae Bidica, Anisia Bornea, Ion Cristescu, Mihai Varlam, 
Ioan Stefanescu ...........................................................................................      5
Can Still be applied Liquid Scintillation Counting to Environmental
Water Samples for Tritium Measurement?
Carmen Varlam, Ioan Stefanescu, Gheorghe Ionita, Ionut Faurescu,
Diana Bogdan, Denisa Faurescu .....................................................................     13
Cryogenic Distillation Column. Influence of an External Factor
Claudia David, Liviu Ovidiu Stefan ..................................................................     25
On-line Predictive Maintenance for Pilot Plant for Tritium and Deuterium Separation
Sorin Gherghinescu ......................................................................................     31
Upgrade of the JET Tangential Gamma-Ray Spectrometer (TGRS)
Sorin Soare, Mihai Anghel, Vasile Zoita, Tedy Craciunescu,
Marian Curuia, Vasili Kiptily, Trevor Edlington, Brian Syme and
JET EFDA contributors ..................................................................................      41
Performance Tests on the Adsorption Systems for Redesign and
Functioning in New Operating Conditions
Sorin Gherghinescu, Gheorghe Popescu, Marian Vacaru ....................................      49
Research Activity in " “TRI-TOFFY” EFDA Network Training
Ionut Spiridon, Ioan Stefanescu, Sebastian Brad, George Ana,
Mihai Vijulie, Alin Lazar ................................................................................      59
Mathematical Modelling of Steam Methane Reforming in a Membrane
Reactor - Preliminary Results
Elena Carcadea, Mihai Varlam, Ioan Stefanescu, Vasile Tanislav,
Horia Ene, Bogdan Nicolescu .........................................................................     65
Experimental Study of a Ground Heat Exchanger Small-Scale Model to
Obtain Data for a Ground Coupled Heat Pump System Design
Mariana Iliescu, Mihai Culcer, Mircea Raceanu .................................................     73
Influence of operating parameters on the electrical performance of
PEM Fuel Cells
Laurentiu Patularu, Aurelian Craciunescu, Gabriel Rasoi, Mihai Varlam, 
Daniela Ebrasu, Mircea Raceanu ....................................................................      81
Determination of the Deuterium Concentration from Heavy Water
Using Vibrational Densimetry Method 
Gabriela Raducan, Iuliana Piciorea ..................................................................     89
Organic components determination in paintings using GC/MS
Raluca Popescu, Claudia Samoilescu, Diana Costinel, Roxana Elena Ionete 
and Ioan Stefanescu  ....................................................................................     95
Isolation, Purification and Biological Properties of  Anthocyanins
Nadia Paun, Violeta Niculescu ........................................................................    101
An Overview of the Synthesis, Characterization Techniques and Applications 
of Silica Mesoporous Materials
Violeta Niculescu, Ramona Ene, Viorica Parvulescu  ..........................................    111
Environmental Isotopes in Hydrological Investigation at Raureni-Valcea Area
Diana Costinel, Roxana Elena Ionete and Raluca Popescu  .................................    121
Assessing the Wine Anthocyanin Profile for Red Grape Varieties Identification
Elisabeta Irina Geana, Andreea Maria Iordache, Roxana
Elena Ionete ...............................................................................................     127
Instructions for Authors ...............................................................................    135