JOSA year 8 no.1 (8)
eISSN 2068-3049


CONTENTS

 

SECTION A – Mathematics

 

1.      DETECTION OF_LOCAL_NOISE_IN_THE_TEXTURAL_IMAGES

      (NICOLETA ANGELESCU, IULIAN UDROIU, CRISTIAN FLUIERARU, CACIULA ION) / 5

2.      GRAFICE DE FUNCTII SI INEGALTATI

      (DAN COMA) / 11

3.      PROBLEME SPECTRALE PENTRU PERTURBARI NELINIARE ALE OPERATORULUI LUI LAPLACE

      (NICUSOR COSTEA) / 15

4.      CE STIM DAR MAI ALES CE NU STIM DESPRE NUMERE

      (EMILIAN DEACONESCU) / 21

5.      APROXIMAREA LOCALA “BUNA” IN MEF

      (GHEORGHE DOBOS) / 25

6.      ON THE PARALLEL SOLUTION OF STOCHASTIC PARABOLIC EQUATION

      (DUMITRU FANACHE) / 27

7.      ON THE EQUILIBRIUM OF AN ELASTO-PLASTIC BODY SUBMITTED TO THE DEFORMATION BY TRACTION

      (CONSTANTIN GHITA) / 37

8.      CONVEXITY AND LEAST SQUARE APPROXIMATION

      (OCTAVIAN MIRCIA GURZAU) / 47

9.      O ABORDARE CU DESCOMPUNERE DE DOMENII A UNEI PROBLEME DE MAGNETO-HIDRO-DINAMIC?A

      (EMIL LUNGU, ALIN POHOATA) / 51

10.   GENERALIZATIONS AND REFINEMENTS FOR BERGSTROM AND RADON’S INEQUALITIES

      (DORIN MARGHIDANU) / 57

11.   THE SOLVING OF SOME STOCHASTIC DIFFERENTIAL EQUATIONS THAT INFLUENCES PERIODICAL MOVEMENTS

      (DOINA CONSTANTA MIHAI) / 63

12.   LINEAR PERTURBATIONS FOR THE DIRICHLET PROBLEM

      (CRISTINEL MORTICI) / 67

13.   A MULTIFACTORIAL MODELS

      (GABRIEL-LUCIAN NEPOTU) / 71

14.   THE CONSTRUCTION OF A STANCU TYPE OPERATOR

      (INGRID OANCEA) / 75

15.   GENERALIZAREA UNEI INEGALITATI, DE LA BARAJUL O.B.M.J 2006

      (OLARU ION MARIAN, OLARU VASILICA) / 81

16.   SOME GRONWALL TYPE INEQUALITIES WITH APPLICATION IN DATA DEPENDENCE FOR FUNCTIONAL DIFFERENTIAL EQUATION

      (OLARU ION MARIAN) / 83

17.   SOLVING THE SADDLE-POINT PROBLEM FOR THE QUASISTATIC CONTACT PROBLEMS

      (NICOLAE POP) / 87

18.   CONTINUATION METHOD AND TOPOLOGICAL INVARIATION

      (RAPEANU ELEONORA) / 95

19.   ON THE REPRESENTATION OF A H1 (a, b) DISTRIBUTION THAT FULFILS u (a) = 0

      (RAPEANU ELEONORA) / 101

20.   CONSTRUCTIVE SOLUTION OF PROBLEMS IN MECHANICS OF CONTINUA

      (SILVIU SBURLAN) / 105

21.   THE TOPOLOGIC STUDY OF THE GEOMETRIC TRAJECTORIES IN THE MATHEMATICAL BILLIARDS

      (GABRIEL STAN) / 111

22.   A HISTORY OF ZERO

      (MARINA TOMA) / 117

23.   ON AN INTEGRAL INEQUALITY

      (DINU TEODORESCU) / 123

24.   A MOKOBODZKI TYPE THEOREM

      (CORNELIU UDREA) / 125

25.   STUDIU ASUPRA COALGEBREI DE INCIDENTA

      (GEORGIANA VELICU) / 131

26.   LEONHARD EULER – 300 DE ANI DE LA NASTERE

      (ANDREI VERNESCU) / 145

 

SECTION B - Chemistry

 

1.      THERMOLUMINESCENCE OF POTASSIUM BORATE ACTIVATED WITH Dy3+

      (SIVIU JIPA, TRAIAN ZAHARESCU, ADRIAN MANTSCH, RADU SETNESCU, LAURA MONICA GORGHIU, CALIN OROS, CRINELA DUMITRESCU, ION V. POPESCU1) / 150

2.      VEGETAL EXTRACTS AS EFFICIENT PROTECTION IN OXIDATIVE DEGRADATION

      (SILVIU JIPA, TRAIAN ZAHARESCU, ELENA MANOLE, DAN ARTENIE MARIS MARIA MARIS, LAURA GORGHIU AND CRINELA DUMITRESCU) / 158

3.      DETERMINATION OF VITAMIN D2 FROM FISH OIL AND METHOD VALIDATION

      (ANA – MARIA HOSSU, ALEXANDRU STOICA, MIHAELA – FLORY MARIA, TANTA SETNESCU, RADU SETNESCU) / 163

4.      ANTIOXIDANT ACTIVITY OF BASIL EXTRACT

      (MANOLE ELENA) / 167

 

SECTION C - Physics

 

1.      NEUTRON ACTIVATION METHOD APPLIED IN THE STUDY OF TRANSFER EFFICIENCIES OF MINOR ELEMENTS DURING STEELMAKING

      (ANTOANETA ENE, ION V. POPESCU, MARIANA BAHRIM) / 173

2.      OPTICAL EMISSION SPECTROMETRY AND METALLOGRAPHIC EXAMINATION OF ROMAN MIRRORS FROM DOBRUDJA, ROMANIA

      (I. V. POPESCU , V. GHISA, M. BELC , M.BAHRIM) / 180

 

SECTION D - Arts & Music

 

1.      SEASON CUSTOMS

      (CONSTANTINA BOGHICI) / 185

2.      POPULAR ORGANOLOGY. ITS DYNAMICS BETWEEN TRADITION AND CREATIVITY

      (MARIAN BOGHICI) / 188

3.      THE ROLE OF PARTNER (PIANIST) IN CHAMBER MUSIC

      (TATIANA MOROSANU) / 192