Sökning: "carbon accumulation"
Visar resultat 16 - 20 av 142 avhandlingar innehållade orden carbon accumulation.
16. Greenhouse Gas Dynamics in Ice-covered Lakes Across Spatial and Temporal Scales
Sammanfattning : Lakes play a major role in the global carbon (C) cycle, despite making up a small area of earth’s surface. Lakes receive, transport and process sizable amounts of C, emitting a substantial amount of the greenhouse gases, carbon dioxide (CO2) and methane (CH4), into the atmosphere. LÄS MER
17. Cellulose-derived conductive nanofibrous materials for energy storage and tissue engineering applications
Sammanfattning : There is no doubt that nanofibrous materials are among the most opportune materials used in advanced applications nowadays. To supply anticipated high demand for these materials sustainable resources such as plant derived polymers should be explored. LÄS MER
18. Greenhouse gas emission from tropical reservoirs : Spatial and temporal dynamics
Sammanfattning : The emission of methane (CH4) and carbon dioxide (CO2) from reservoirs has been estimated to make up for about 1.3% of the global anthropogenic greenhouse gas emission. The impoundment of a river leads to the accumulation of sediment that is brought in from inflowing rivers, and the sediment organic matter is degraded to CH4 and CO2. LÄS MER
19. Design and Synthesis of 11C-Labelled Compound Libraries for the Molecular Imaging of EGFr, VEGFr-2, AT1 and AT2 Receptors : Transition-Metal Mediated Carbonylations Using [11C]Carbon Monoxide
Sammanfattning : This work deals with radiochemistry and new approaches to develop novel PET tracers labelled with the radionuclide 11C.Two methods for the synthesis of 11C-labelled acrylamides have been explored. LÄS MER
20. Life-Cycle Energy and Carbon Implications of Wood-Based Products and Construction
Sammanfattning : Forests can be an important element of an overall strategy to limit the atmospheric concentration of carbon dioxide (CO2) that contributes to climate change. As an integral part of the global carbon cycle, forests remove CO2 from the atmosphere as they grow, and accumulate carbon in tree biomass. LÄS MER