Mostrando 21 - 40 Resultados de 720 Para Buscar '"Aspen"', tiempo de consulta: 0.14s Limitar resultados
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    “…In this study, the experimental results of the gasification of four biomasses (pine sawdust, bamboo dust, rice husk, and cane bagasse) from three different bibliographical references were simulated and validated, using the Aspen Plus computer software. The simulation model used considers the combustion of 30% of the biomass and therefore an energy balance, in addition to an estimate of the tar generated in the process. …”
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    “…We have studied gene expression in leaves of a free-growing aspen (Populus tremula) throughout multiple growing seasons RESULTS: We show that gene expression during the first month of leaf development was largely determined by a developmental program although leaf expansion, chlorophyll accumulation and the speed of progression through this program was regulated by the temperature. …”
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    “…However, the relationship was mainly driven by the presence of American aspen suggesting that species identity overrode the effect of intraspecific variation of European aspen.…”
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    “…We documented bison breaking the stems of aspen saplings (young aspen >2 m tall and ≤5 cm in diameter at breast height) and examined the extent of this effect in northern Yellowstone National Park (YNP). …”
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