S. Ashraf Vaghefi, S. J. Mousavi, K. C. Abbaspour,* R. Srinivasan and H. Yang 1 Department of Civil and Environmental Engineering, Amirkabir University of Technology, Tehran, Iran 2 Eawag, Swiss Federal Institute of Aquatic Science and Technology, PO Box 611, 8600, Dübendorf, Switzerland 3 Texas A&M University, Texas Agricultural Experimental Station, Spatial Science Lab, College Station, TX, 7...

Optimal operation of water resources in multiple and multipurpose reservoirs is very complicated. This is because of the number of dams, each dam's location (Series and parallel), conflict in objectives and the stochastic nature of the inflow of water in the system. In this paper, performance optimization of the system of Karun and Dez reservoir dams have been studied and investigated with the ...

Este artigo faz um balanço pessoal do percurso da Linguateca, uma organização virtual em demanda de uma maior facilidade e qualidade no processamento da ĺıngua portuguesa, nos últimos dez anos. Inicio o artigo por uma curta perspectiva histórica para explicar o contexto em que a Linguateca surgiu e quais os objectivos iniciais para o progresso da área. Avalio de seguida resumidamente a situação...

the study was carried out in the purposively selected senapati and thoubal districts of hill and valley regions of manipur state of india. two blocks from each of the above selected districts were selected randomly and further from each block four villages were also selected randomly. 30 dairy farmers from each village were selected randomly and thus collected data from 240 respondents through ...

A sodium silicate-based chemical grout was used in the Karkheh dam site in order to examine the performance of the chemical grouting technique for stabilization of the dam's filter material. Karkheh, an embankment dam with the reservoir capacity of about 7.4 billion cubic meter at the maximum water level, is the largest dam in Iran. The grouting works performed at the dam site, were part of the...

This article analyzes the main aspects of federative political systems according to classical and contemporary theories and the case of the Brazilian health sector. Brazil presents a federative configuration founded on cooperation as a result of the democratic transition in which the consensual dimensions of democracy were strengthened. On the other side, the weakening of the madisonian aspects...

Objetivo: investigar a distribuição espacial dos casos confirmados e óbitos da COVID-19 nos quatro primeiros meses Pandemia no município de Salvador, partir seus distritos sanitários. Método: estudo ecológico d com 34.691 mil 1.589 mortes por em Bahia, entre março junho 2020. Analisaram-se os dados STATA 12.0 meio estatística descritiva inferencial. Resultados: A média foi 109,2 casos/ dez habi...