18 documents found, page 1 of 2

EIR para a fase de projeto de uma obra privada

Poole-Frenkel effect in amorphous poly(p-phenylene sulfide)

Made available in DSpace on 2022-04-28T18:54:09Z (GMT). No. of bitstreams: 0 Previous issue date: 1996-01-01; The conductivity of poly(p-phenylene sulfide) (PPS) amorphous samples sandwiched between metallic electrodes has been studied as a function of applied voltage, temperature, and electrode material. The voltage (U) dependence of the currents for electric fields within the range 103-106 V/cm exhibits exp β...

Projeto SECCLASS: O desenvolvimento de um sistema de classificação da construçã...

O projeto SECClasS – Sustainability Enhanced Construction Classification System – financiado pelo EEA Grants – pretende facilitar a Economia Circular na Construção introduzindo um Sistema de Classificação de Informações sobre Construção otimizado para a Sustentabilidade. Este sistema será orientado para a metodologia BIM e servirá não só a componente de sustentabilidade, mas também os restantes usos BIM, como a...

Promoção de ambientes alimentares saudáveis: o papel da restauração pública na ...

Promoting healthy eating environments: the role of public catering in the areas...

Wide spectrum of F9 variants in hemophilia B families from the Portuguese popul...

Introduction: Hemophilia B is an X-linked bleeding disorder caused by molecular defects in the Factor IX gene (F9), leading to either deficiency or functional abnormality of Factor IX. Actual data indicate a high heterogeneity of variants in F9. Over 1000 different variants have been reported, including pathogenic single nucleotide variants (SNPs), indels and complex variants. Materials and Methods: 86 index pa...

Characterization of menus for students in public restaurants in the areas surro...

Multiphonon conduction in doped poly (p-phenylene)

Made available in DSpace on 2020-12-10T16:30:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2001-03-15; The de electrical conductivity of doped poly (p-phenylene) conducting polymer has been reported in the temperature range of 50-300 K. The experimental results have been analyzed in the framework of different hopping models. We have observed that the conductivity is non activated and that the Mott's and ...

Gas sensing properties based on a doped conducting polymer/inorganic semiconductor

Made available in DSpace on 2020-12-10T16:30:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-01-01; For medical diagnostic applications, there is currently a strong need for systems that comprises simple detectors. In this paper, we report the fabrication of heterojunction between p-doped polypyrrole and n-doped silicon and its possible use in the detecting of acetone. In the forward bias voltage regi...

Multifunctional poly(ethylene-co-vinyl alcohol)-based membranes for selective p...

Many food commodities are prone to fungal infection and to mycotoxin contamination. Fungi can infect crops in the field and maintain their activity during storage. Some of these fungi produce mycotoxins, that may resist food processing and persist in food products. Existing decontamination strategies are still very inefficient, and that is why research in this area is continuously evolving. Recent advances in t...