- Shifts in Lake N:P Stoichiometry and Nutrient Limitation Driven by Atmospheric Nitrogen Deposition
[作者:Elser, JJ; Andersen, T; Baron, JS; Bergstrom, AK; Jansson, M; Kyle, M; Nydick, KR; Steger, L; Hessen, DO,期刊:Science, 页码:835-837 , 文章类型: Article,,卷期:2009年326-5954]
- Human activities have more than doubled the amount of nitrogen (N) circulating in the biosphere. One major pathway of this anthropogenic N input into ecosystems has been increased regional deposition from the atmosphere....
- Chemically Accurate Simulation of a Prototypical Surface Reaction: H-2 Dissociation on Cu(111)
[作者:Diaz, C; Pijper, E; Olsen, RA; Busnengo, HF; Auerbach, DJ; Kroes, GJ,期刊:Science, 页码:832-834 , 文章类型: Article,,卷期:2009年326-5954]
- Methods for accurately computing the interaction of molecules with metal surfaces are critical to understanding and thereby improving heterogeneous catalysis. We introduce an implementation of the specific reaction param...
- MafB/c-Maf Deficiency Enables Self-Renewal of Differentiated Functional Macrophages
[作者:Aziz, A; Soucie, E; Sarrazin, S; Sieweke, MH,期刊:Science, 页码:867-871 , 文章类型: Article,,卷期:2009年326-5954]
- In metazoan organisms, terminal differentiation is generally tightly linked to cell cycle exit, whereas the undifferentiated state of pluripotent stem cells is associated with unlimited self-renewal. Here, we report that...
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