Telephone Systems
Mostrando 1-12 de 45 artigos, teses e dissertações.
-
1. Brazilian Psychiatric Association guidelines for the management of suicidal behavior. Part 3. Suicide prevention hotlines
Crisis hotlines are direct communication systems, usually telephone-based, set up to prevent suicide. However, few studies have evaluated their effectiveness. The present study aims to perform a systematic review, using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) framework, of the effectiveness of interventions through dir
Brazilian Journal of Psychiatry. Publicado em: 2023
-
2. Sociodemographic determinants of multimorbidity in Brazilian adults and older adults: a cross-sectional study
ABSTRACT BACKGROUND: Multimorbidity due to non-communicable chronic diseases (NCDs) constitutes a significant challenge for healthcare systems. To attenuate its impacts, it is essential to identify the sociodemographic determinants of this condition, which can discriminate against population segments that are more exposed. OBJECTIVE: To identify associatio
Sao Paulo Medical Journal. Publicado em: 2022
-
3. Pressão laboral, saúde e condições de trabalho dos professores da Educação Básica no Brasil
Morbidades em geral e licenças médicas são prevalentes no grupo dos professores da Educação Básica, cuja missão é essencial para a formação dos cidadãos. O objetivo foi produzir informações sobre as características demográficas, características da escola e da rede de ensino, e situação de saúde do grupo que percebeu pressão laboral. A amo
Cad. Saúde Pública. Publicado em: 23/05/2019
-
4. Sistema nacional de inovação e desempenho do setor externo / National systems of innovation and external performance
The aim of this research is to make two association forms between technological development rate of 31 OECD countries, based on National Innovation System (NIS) theory, and external accounts, represented by trade balance, current account and high-technology exports. The two association forms are NIS ranking and dispersion analysis for years 1997 and 2007 ind
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/03/2011
-
5. Relationship between physical properties convective clouds and cloud-ground lightining / Relações das propriedades físicas das nuvens convectivas com as descargas elétricas
The knowledge of physical and microphysical properties associated to cloud-ground lightning occurrence is very important for determination of potential forecast parameters of electrical discharges activity. The identification of these parameters could give valuable contribution for different segments of society, such as the sectors of electric energy distrib
Publicado em: 2009
-
6. Estimativa do número de estações de rádio base para a implantação do WIMAX no Distrito Federal
During the past years, the video, voice and data services available in the fixed communications networks have been requested by users in mobility. This fact has motivated the development of technologies that allow traffic of a lot of information in cellular telephone networks. WiMAX e UMTS are technologies that can help the traffic flow. The WiMAX, known as
Publicado em: 2009
-
7. Caracterização de baterias de níquel hidreto metálico e de íon-lítio de telefone celular
O tema central deste trabalho é um estudo sobre as alterações estruturais e morfológicas observadas nos eletrodos de baterias descartada de telefone celular dos tipos níquel-hidreto metálico (Ni-HM) e íon-lítio, em função do estado de carga das baterias. Medidas de difração de raios-X seguidas do refinamento pelo método Rietveld mostraram que o
Publicado em: 2009
-
8. Estudo da percepção dos atores envolvidos nos processos operacionais das bolsas de resíduos das federações das indústrias
Environmental contamination by waste is a problem mainly regarded to the economic development of the country. Thus, to achieve a satisfactory sustainable development is necessary the existence of alternatives to facilitate the exchange of waste between companies. One of the applications are the waste exchange systems, which are tools that promote the exchang
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/09/2008
-
9. Identificação das Dificuldades e do nível de utilização do sistema de custos integrado ao ERP nas empresas de Santa Catarina / Identification of the difficulties in the use of cost systems integrated in the ERP of companies in Santa Catarina
With the cost information needing to take decisions, the companies felt it was necessary to implant in integrate management systems called Enterprise Resource Planning (ERP). It is necessary that the system generates trustworthy informations and to this, able people are necessary to take to process and analyze them. To the integrated cost system?s implantati
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 12/02/2008
-
10. Mobility as a consumption item : notes about users, mobile phones and their relationships / A mobilidade como artigo de consumo : apontamento sobre as relações com o aparelho celular
A dissertação de mestrado que ora se apresenta pretende tratar do consumo de um objeto técnico que penetrou de maneira tão incisiva na vida dos homens contemporâneos que, em pouco tempo, tê-lo consigo tornou-se praticamente inescapável. Trata-se do aparelho de telefone celular. Para examinar o consumo deste gadget, seguimos em duas frentes de investig
Publicado em: 2008
-
11. Longa distância : a evolução dos sistemas nacionais de telecomunicações da Argentina e do Brasil em conexão com as telecomunicações internacionais (1808-2003)
This dissertation sustains that, in broad lines, telecommunications have gone through three large historical phases since its beginning, little more than 200 years ago. After a pre-history where technologies were developed with governmental support or control, telecommunication services were commercially exploited in a competitive manner, virtually without s
Publicado em: 2007
-
12. Algoritmo de detecção de falhas para sistemas telefonicos utilizando a teoria do perigo / Fault detection algorithm for telephone systems using the danger theory
Abstract This thesis presents a fault detection algorithm composed of multiple interconnected modules, and operating according to the paradigm supported by the Danger Theory in immunology. This algorithm attempts to achieve significant features that a fault detection system is supposed to express when monitoring a telephone system. These features would basic
Publicado em: 2006