JOSA year 11 no.2 (15)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. BANACH SPACE VALUED POTENTIAL TRANSFORM

(Nanda D. Sahu, Alka S. Gudadhe) / 121

2. A NOTE ON REAL LIPSCHITZ FUNCTIONS OF ONE VARIABLE

(Dinu Teodorescu) / 129

3. PROPAGATORS AND DILATIONS ON PSEUDO-HILBERT SPACES

(Loredana Ciurdariu, Pastorel Gaspar) / 131

4. CONVOLUTION STRUCTURE FOR TWO VERSION OF FRACTIONAL LAPLACE TRANSFORM

(Prabhakar R. Deshmukh, Alka S. Gudadhe) / 143

5. TRIGONOMETRICAL IDENTITIES AND INEQUALITIES

(Ovidiu T. Pop, Mihaly Bencze) / 151

6. CONVEX HULL PROBLEM, LATTICE POINTS AND APPLICATIONS

(Dumitru Fanache) / 163

SECTION B – Chemistry

1. OPTICALLY ACTIVE BISMUTH HETEROBIMETALLIC COMPLEXES CONTAINING ALKALI METAL-CAPPED BINAPHTHOXIDE LIGATION

(Luke E. Turner, Matthew G. Davidson, Amanda J. Chmura, Matthew D. Jones) / 177

2. ANALYSIS OF WASTE WATER FROM ECOLOGICAL CAR WASH – A CASE STUDY

(Cristiana Radulescu , Claudia Stihi, Ion V. Popescu, Vasile Ovidiu Nitescu, Ioana Daniela Dulama, Anca Irina Gheboianu, Andrei Chilian, Alin Bucurica, Oana Roxana Bancuta) / 193

3. OPTIMAL CONCENTRATIONS IN THE ENZYME REACTIONS

(Nina Dragoescu (Cazacu)) / 201

4. EVALUATION OF POTOP RIVER QUALITY I. PRELIMINARY INVESTIGATION AND RISK ASSESSMENT OF POLLUTED DEGREE

(Vasile Ovidiu Nitescu, Ion V. Popescu, Cristiana Radulescu, Claudia Stihi, Gh.Valerica Cimpoca, Anca Irina Gheboianu, Ioana Daniela Dulama) / 207

SECTION C – Physics

1. STUDY OF THE OPTICAL PROPERTIES OF POLAR BEAR HAIR IN THE INFRARED RANGE AND THEIR MICROSCOPIC STRUCTURES FOR PASSIVE CONTROL OF TEMPERATURE

(Mourad Rattal, Adil Balhamri, Y. Bahou, Abdessitir Deraoui, Azeddine Mouhsen, Mohamed Harmouchi, Abdelmoumen Tabyaoui, El Mostafa Oualim) / 217

2. ROLE OF THE RADIONUCLIDE METROLOGY IN QUALITY ASSURANCE OF THE ENVIRONMENTAL PHYSICS MEASUREMENTS

(Maria Sahagia, Aurelian Luca, Andrei Antohe, Constantin Ivan) / 223

3. METHODS FOR THE REALIZATION OF RADIOACTIVE STANDARDS AND FOR THE ENVIRONMENTAL RADIOACTIVITY MEASUREMENT

(Andrei Antohe , Beatrice Neacsu, Ana Stochioiu, Aurelian Luca, Maria Sahagia) / 231

4. AN OBSERVATION OF GEOLOGICAL ARHEOLOGICAL SAMPLES BY AAS METHOD

(Valentin Ghisa, Ion V. Popescu, Marius Belc) / 237

5. APPLICATION OF SPECTROCHEMICAL ANALYSIS BY SOLID SOLUTION TECHNIQUE TO FERRO-ALLOYS5. APPLICATION OF SPECTROCHEMICAL ANALYSIS BY SOLID SOLUTION TECHNIQUE TO FERRO-ALLOYS

(Gheorghe Vlaicu, Iulian Bancuta, Nicolae Pavel, Florin Parsan, Ion V. Popescu, Oana Roxana Bancuta) / 241