Number 21+22/2008

National R&D Institute for Cryogenics and Isotopic Technologies
- ICSI Rm. Valcea -

Progress of Cryogenics and Isotopes Separation

1. A Theoretical Approach of the Equivalent Sources Method Applied to Noise Barriers
Sebastian Pârlac, Constantin Onescu, Ion Iorga Simăn, Ioan Ştefănescu .................................       3
2. High-Precision 13C and 18O Measurements by Continuous Flow-Isotope Ratio Mass Spectrometry (CF-IRMS) in Romanian Wines Characterization
Diana Costinel, Roxana Ionete, Raluca Vremera, Vasile Stanciu ...............................................    12
3. Stable Isotope Signature (D/H, 18O/16O) in a Hydrologies Study
Costinel Diana, Vremera Raluca, Voicu Vlad Grecu ................................................................    18
4. Neuro-Fuzzy and Knowledge-Based Expert Systems in Risk Management
Mihai Anghel, Maria Dumitrescu, Vasile Tanislav ...................................................................     24
5. Natural Juices Authentification by Gc-Ms
Monica Culea, Andreea-Maria Iordache, Onuc Cozar .............................................................     27
6. Parameters that Influence the Pem Fuel Cell Performance
Elena Carcadea, D. B. Ingham, I. Stefanescu, Roxana Ionete, H. Ene, B. Nicolescu ..................      31
7. Greenhouse Gases Effects on Global Warming
Diana Florescu, Gili Saros, Roxana Ionete, Vasile Stanciu ......................................................      38
8. Useful Fuels Obtained by Thermochemical Conversion of Biomass 
Elena David ..................................................................................................................      42
9. Studies Regarding Behaviour of Sintered Materials on Isotopes  Separation – 1. Cryogenic Experimental Plant
Floarea Pop, Cornelia Croitoru, Ioan Stefanescu,Constantin Ciortea, Sebastian Brad, Gheorghe Titescu, Vasile Stanciu, Mihai Culcer, Mariana Iliescu .......................................................................       50
10. D/T Ratio in Dt Mixture on Liquid Phase using Dielectric Constant and Electrical Conductivity Measurements
Mihai Culcer, Mariana Iliescu, Ion Cristescu, Ioan Stefanescu ................................................       55
11. Proposal for Platinum Hydrophobic Catalyst for Hydrogen Isotopes Separation from Nuclear Efluents
Irina Vagner, Gheorghe Ionita, Carmen Varlam, Ioan Stefanescu .........................................       60
12. The Analysis of Volatile Organic Compounds in Gaseous and/or         Solid Samples
Raluca Vremera, Diana Costinel, Andreea Iordache, Roxana Ionete ......................................       65
13. Diffraction Line Broadening Analysis of Supported Gold Catalysts. Comparative Study
V. Malinovschi, S.Moga, Mihaela Lazar, C. Ducu ...................................................................     71
14. Developments in the Configuration of the Data Acquisition System for Cryogenic Process Analyses with Labview 8
Carmen Maria Moraru, Iuliana Stefan, Ciprian Bucur, Ovidiu Balteanu, Anisia Bornea, Liviu Stefan and Ioan Stefanescu ...........................................................................................................      78
15. Exergoeconomic Concept Applied to Cryogenic Cycles of Pilot Plant for Tritium and Deuterium Separation
Sorin Gherghinescu  ......................................................................................................      83