Joseph Fourier
Mostrando 1-4 de 4 artigos, teses e dissertações.
-
1. Analysis on the Growth and Characterization of a Non-linear Optical Single Crystal: L-Cystine Dihydrobromide
Nonlinear optical single crystals of L-cystine dihydrobromide (LCHB) have been grown by slow evaporation method. Single crystal X-ray diffraction analysis revealed the crystal system and lattice parameter values. Powder X-ray diffraction analyses have been carried out and the diffraction patterns have been indexed. Fourier transform infrared (FTIR) analysis
Mat. Res.. Publicado em: 2015-08
-
2. A teoria analítica do calor de Joseph Fourier: uma análise das bases conceituais e epistemológicas
Em um ambiente marcado pelo paradigma newtoniano, Fourier estabeleceu sua teoria da propagação do calor em corpos sólidos mantendo a mesma tradição da mecânica racional, a qual reduzia os fenômenos naturais à análise matemática. Contudo, ele rompeu com a abordagem tradicional ao ignorar as hipóteses sobre a natureza do calor e criar um modelo fís
Rev. Bras. Ensino Fís.. Publicado em: 30/03/2015
-
3. Études structure-fonction de lectines (DiscI et DiscII) de Dictyostelium discoideum
Les lectines sont des protéines qui reconnaissent les glucides complexes de manière spécifique et réversible. L\ amibe Dictyostelium discoideum est un organisme modèle eucaryote très employé pour l\ étude de nombreux processus biologiques tel la phagocytose, la différenciation ou la mort cellulaire. Lorsqu\ elle se différencie suite à une absence
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/12/2008
-
4. ÉTUDE DES ALTÉRATIONS ÉPIGÉNÉTIQUES DES TUMEURS DES ENFANTS : LE CAS DES ÉPENDYMOMES ET DES NEUROBLASTOMES
During the last 10 years, a new mechanism of tumor development has been described: the hypermethylation of tumor suppressor genes. These epigenetic modifications were rarely studied in childhood cancer and large series of patients didnt exist before 2003. We studied two groups of childhood tumors; ependymoma and neuroblastome. Ependymomas (EP) represent the
Publicado em: 2006