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Operational availability

Operational availability in systems engineering is a measurement of how long a system has been available to use when compared with how long it should… Expand
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Papers overview

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Highly Cited
2015
Highly Cited
2015
AimsBiochar is a carbon-rich product obtained from the pyrolysis of organic materials. Its use, combined with fertilizers, can… Expand
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Highly Cited
2011
Highly Cited
2011
Summary 1. Production of antiherbivore chemical defences is generally assumed to be costly in terms of fitness, although some… Expand
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2007
2007
Understanding tillage, N, and P interactions can contribute to improved N and P utilization and crop response. This study… Expand
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2006
2006
We examined the effects of nectar availability and competition on foraging preferences and revisit intervals of traplining female… Expand
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Highly Cited
2005
Highly Cited
2005
Dissolved inorganic nitrogen and phosphorus, their relationship to each other (DIN/DIP) as predisposing (nutrient) factors, as… Expand
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Highly Cited
2004
Highly Cited
2004
SummaryMost physiological processes of arctic plants are less temperature sensitive than those of temperate counterparts and… Expand
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2004
2004
This study quantitatively assesses the fate of K derived from mineral fertilizers and organic manures and the effective K balance… Expand
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2003
2003
In coastal forests of the Pacific Northwest, vine maple (Acer circinatum Pursh) is a common understory tree species. We studied… Expand
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Highly Cited
2002
Highly Cited
2002
Constraints on nitrogen fixation are the ultimate causes of N limitation of primary production, but hypotheses concerning… Expand
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1992
1992
Modern telecommunications systems are dependent on software for their successful operation. In many cases, the software operates… Expand
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