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颁布单位:[the University of Pittsburgh] |
颁布时间:2012 |
实施时间:2012 |
学科分类:[absorption,, Aspen, Plus,, CO2, capture,, gas-inducing, reactor,, hydrodynamics,, ionic, liquids,, mass, transfer,, solubility]
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颁布单位:[University of Alberta] |
颁布时间:2011 |
实施时间:2011 |
学科分类:[Aspen, Gain, Forest, management, Heterosis, Hybrids]
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颁布单位:[University of Alberta] |
颁布时间:2011 |
实施时间:2011 |
学科分类:[Aspen, Quality, Seedling, Populus, Reclamation]
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颁布单位:[University of Alberta] |
颁布时间:2011 |
实施时间:2011 |
学科分类:[Quality, Reclamation, Seedling, Aspen, Populus]
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颁布单位:[the University of Pittsburgh] |
颁布时间:2011 |
实施时间:2011 |
学科分类:[Isocyanate, Non-phosgene, Polycarbonate, Tritan, Life cycle analysis, Aspen, Green chemistry]
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颁布单位:[University of Alberta] |
颁布时间:2011 |
实施时间:2011 |
学科分类:[Boreal, Plain, Recharge, Groundwater, Upland, Clear-cutting, Alberta, Aspen]
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颁布单位:[University of Alberta] |
颁布时间:2010 |
实施时间:2010 |
学科分类:[Aspen, parkland, Net, present, value, Range, managemetn, Aspen, Agronomic]
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颁布单位:[University of Alberta] |
颁布时间:2009 |
实施时间:2009 |
学科分类:[Soil compaction, Root wounding, Suckering, Aspen, Log storage, Slash, Machine traffic]
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颁布单位:[University of Alberta] |
颁布时间:1992 |
实施时间:1992 |
学科分类:[Paper, birch, White, spruce, Aspen, Lodgepole, pine, Trees--Alberta--Varieties, Tree, declines--Alberta, Balsam, fir, Black, spruce]
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颁布单位:[University:Georgia Institute of Te... |
颁布时间:1985 |
实施时间:1985 |
学科分类:[Trees, Forest pathology, Populus tremuloides, Disease and pest resistance, Forest plants, Control, Aspen]