权威例句
United States of America Fossil-Fuel CO2 EmissionsThe prospect of solving the CO/sub 2/ problem through global reforestationContributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinksTrends in the sources and sinks of carbon dioxide.Trends in the sources and sinks of carbon dioxideGlobal and regional drivers of accelerating CO2 emissionsA synthesis of carbon sequestration, carbon emissions, and net carbon flux in agriculture: comparing tillage practices in the United...A dendritic-cell-derived C-C chemokine that preferentially attracts naive T cells.The influence of land-use change and landscape dynamics on the climate system: relevance to climate-change policy beyond the radiati...Adema, G. J.et al. Adendritic-cell-derived C-C chemokine that preferentially attracts naive T cells. Nature 387, 713-717