Learning objects and interactive whiteboards: a evaluation proposal of learning objects for mathematics teaching

The current conditions of the classroom learning tend to be a one-way process based in teacher exposition, this make a negative impact on learning make it a stealth 67g2 mechanical and not meaningful activity.One possibility to improve the quality of teaching is to innovate methodologies and varying forms of presenting information to students, such

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Identifying asynchronies: Expiratory work

Mechanical ventilation is used to improve gas exchange and unload the respiratory muscles allowing for their rest and grease gun ww2 reproduction recovery, which require good synchronization between the patient and the ventilator.Spontaneous respiratory effort is generally preferred because it reduces atelectasis, improves oxygenation, and may prev

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Transaction Frequency and Hedging in Commodity Processing

This study examines the effect of transaction frequency on profit and cash flow risk for firms that periodically purchase inputs, continuously transform inputs into outputs, pentair hose and periodically sell output.Soybean-processing profit and cash flows are computed for unhedged, direct-hedged, and risk-minimizing-hedged processing with up to 52

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The strength and timing of the mitochondrial bottleneck in salmon suggests a conserved mechanism in vertebrates.

In most species mitochondrial DNA (mtDNA) is inherited maternally in an apparently clonal fashion, although how this is achieved remains uncertain.Population genetic studies show not only that individuals can harbor more than one type of mtDNA (heteroplasmy) but that heteroplasmy is common and widespread across a diversity of taxa.Females harboring

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