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ITU V.23

Known as: V.23 
The V.23 standard was an early modem standard approved by the ITU in 1988. It specifies audio frequency-shift keying (AFSK) to encode and transfer… 
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Papers overview

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2008
2008
Nowadays, in Brazil, franchising is an option frequently taken in the goods and services consumption market. A complex… 
2007
2007
Recentes pesquisas sugerem que uma das principais motivacoes para a realizacao de operacoes de fusoes e aquisicoes seja a… 
2005
2005
The combination effect of cattle manure and mineral fertilization on palm heart yield in peach palm plants was evaluated. The… 
Highly Cited
2005
Highly Cited
2005
Avaliou-se a producao de alface em solo tratado com doses de lodo de esgoto como fonte de materia orgânica em experimento em casa… 
2005
2005
A concentracao de CO2 na atmosfera vem aumentado significativamente desde a revolucao industrial, estando hoje proximo de 365… 
2005
2005
Yield of 'Kenzan' cabbage was evaluated under plant spacing (80 x 30; 60 x 30 and 40 x 30 cm) and doses of N (0; 75; 150; 225 and… 
2005
2005
The growing of lettuce plants in tropical regions has been painful under high temperatures and ample luminosity, substantially… 
1997
1997
This paper describes the economic structure of a college or university, presents national data on the size and distribution of… 
1988
1988
A description is given of an advanced 32-kb/s ADPCM (adaptive digital pulse code modulation) algorithm and its implementation in…