“...A social dilemma appears in the public goods problem, where the individual has to decide whether...”
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“... beings and animals health, and this problem justify the need to develop alternative bioherbicides...”
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“... em combater o problema de acúmulo excessivo de As e Cd nos grãos de arroz. Assim, investigações adicionais...”
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“...The Fukushima Daiichi accident in 2011 pointed the problem related to the hydrogen generation under...”
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“... (slope-dependent) processes like creep, rainsplash, and biogenic activity. Although many models based...”
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“... certain environmental and soil conditions. Four experiments were carried out in 2007 and 2008, under...”
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“... u),   x \in R^n , t > 0,where \alpha > 0 is constant, decrease, under fairly broad conditions in advection flow...”
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“..., leaf area and the water consumption of crop were determined. There was a decrease according...”
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“... das alterações climáticas à escala global irá inevitavelmente agravar o problema da escassez de água em toda...”
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“...A contaminação ambiental por arsênio (As) constitui um problema sério em várias regiões do mundo...”
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“... conservationuntil oil extraction may be a problem under high temperature and humidity. In this study, Jatropha...”
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Assuntos: “...Prognostics and Health Management...”
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“..., under the deschbed experimental conditions, although a decrease in growth (length and weight...”
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“...-TiO2 and/or micro-PTFE under water, ethyl alcohol, and dimethyl ketone) were sprayed to select the...”
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Assuntos: “...inventory and methods...”
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“... sp., under two nitrogen levels (8.23 mg L−1 and 41.17 mg L−1) and mixing systems (aeration and magnetic...”
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“... sp., under two nitrogen levels (8.23 mg L -1 and 41.17 mg L -1 ) and mixing systems (aeration and magnetic...”
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“...Background and objectives: Emergence agitation is a common postanaesthetic problem in children...”
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“...Xylitol has sweetening, anticariogenic and clinical properties that have attracted the attention...”
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