Results 81 to 90 of about 7,844 (115)

Analysis of data on cyanobacteria and cyanotoxins in public supply reservoirs (São Paulo, Brazil)

open access: yesOceanological and Hydrobiological Studies
The incidence of cyanobacterial blooms in reservoirs intended for human supply represents a serious health risk due to the ability of these organisms to produce cyanotoxins.
de Souza Bronstein Caroline Augusta   +1 more
doaj   +1 more source

Learning and memory in machines and animals : an AI model that accounts for some neurobiological data [PDF]

open access: yes, 1984
The CEL model of learning and memory (Components of Episodic Learning) [Granger 1982, 1983a, 1983b] provides a process model of certain aspects of learning and memory in animals and humans. The model consists of a set of asynchronous and semi-independent
Granger, Richard H., McNulty, Dale M.
core   +2 more sources

The eclipse of Epsilon Aurigae visible spectroscopy and ultraviolet activity [PDF]

open access: yes
The preliminary results of the study of several high resolution spectrograms (lambda 3500 - lambda 7000 A), obtained at the Haute Provence Observatory (OHP) in France, at different epochs before, during and after the eclipse are reported.
Ferluga, S., Hack, M.
core   +1 more source

The first American historian--William Bradford [PDF]

open access: yes, 1926
Thesis (M.A.)--Boston ...
Fisler, George William Henry
core   +1 more source

“CARACTERIZAÇÃO HIDROGEOLÓGICA PRELIMINAR DO SISTEMA AQÜÍFERO TUBARÃO EM CAPIVARI E RAFARD (SP)”

open access: yesRevista Águas Subterrâneas, 2005
As águas subterrâneas cumprem um importante papel no abastecimento público dos municípios de Capivari e Rafard (SP). Desde o final da década de 70, o Instituto Geológico tem participado junto ao SAAE de Capivari e à Prefeitura Municipal de Rafard como ...
Claudia Varnier   +4 more
doaj  

The Effect of Poly-Aluminum Silicate Sulfate Retention of Colored Papers [PDF]

open access: yes, 1993
The purpose of this thesis experiment was to study the effect of Poly-Aluminum Silicate Sulfate (PASS) on the retention of colored papers. This was performed to reduce the usage of Melamine Formaldehyde based retention aids due to their negative ...
Frederick, Tami
core   +1 more source

The effects of isometric work on heart rate, blood pressure, and net oxygen cost [PDF]

open access: yes
Isometric exercise effects on heart rate, blood pressure, and net oxygen ...
Bartels, R. L.   +4 more
core   +1 more source

Agir: planejamento estratégico da Associação dos Produtores de Morango de Atibaia e Jarinú (SP) para a implementação da produção integrada. [PDF]

open access: yes, 2014
Em abril de 2006, a Embrapa Meio Ambiente em parceria com a Prefeitura da Estância de Atibaia (convênio nº 21300.04/0003-3) e a Associação dos Produtores de Morangos e Hortifrutigranjeiros de Atibaia, Jarinu e Região iniciou na região uma seqüência de ...
CALEGARIO, F. F.   +2 more
core  

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