搜索结果: 1-9 共查到“地球科学总论 synthesis”相关记录9条 . 查询时间(0.062 秒)
'Green' synthesis of plastics from CO2
CeO2 catalyst polycarbonate diol dehydrating agent
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2021/8/2
Using a CeO2 catalyst, researchers develop an effective catalytic process for the direct synthesis of polycarbonate diols without the need for dehydrating agents. The high yield, high selective proces...
The North American Carbon Program Multi-scale Synthesis and Terrestrial Model Intercomparison Project – Part 2: Environmental driver data
The North American Carbon Program Multi-scale Synthesis Terrestrial Model Intercomparison Project – Part 2
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2014/12/19
Ecosystems are important and dynamic components of the global carbon cycle, and terrestrial biospheric models (TBMs) are crucial tools in further understanding of how terrestrial carbon is stored and ...
Dynamics of ammonia exchange with cut grassland: synthesis of results and conclusions of the GRAMINAE Integrated Experiment
ammonia exchange cut grassland the GRAMINAE Integrated Experiment
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2010/1/21
Improved data on biosphere-atmosphere exchange are fundamental to understanding the production and fate of ammonia (NH3) in the atmosphere. The GRAMINAE Integrated Experiment combined novel measuremen...
Detecting regional variability in sources and sinks of carbon dioxide:a synthesis
regional variability sources sinks carbon dioxide
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2010/1/20
The current paper reviews the experimental setup of the CarboEurope Experimental Strategy (CERES) campaigns with the aim of providing an overview of the instrumentation used, the data-set and associat...
Peatlands and the carbon cycle:from local processes to global implications – a synthesis
Peatlands carbon cycle local processes global implications
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2010/1/18
Peatlands cover only 3% of the Earth's land surface but boreal and subarctic peatlands store about 15–30% of the world's soil carbon (C) as peat. Despite their potential for large positive feedbacks t...
Phospholipid synthesis rates in the eastern subtropical South Pacific Ocean
Phospholipid synthesis rates eastern subtropical South Pacific Ocean
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2010/1/15
Membrane lipid molecules are a major component of planktonic organisms and this is particularly true of the microbial picoplankton that dominate the open ocean; with their high surface-area to volume ...
Multi-station synthesis of early twentieth century surface atmospheric electricity measurements for upper tropospheric properties
vertical columnar current density tropospheric properties surface
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2010/1/27
The vertical columnar current density in the global atmospheric electrical circuit depends on the local columnar resistance. A simple model for the columnar resistance is suggested, which separates th...
Black (pyrogenic) carbon:a synthesis of current knowledge and uncertainties with special consideration of boreal regions
Black carbon current knowledge uncertainties special consideration boreal regions
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2010/1/13
The carbon (C) cycle in boreal regions is strongly influenced by fire, which converts biomass and detrital C mainly to gaseous forms (CO2 and smaller proportions of CO and CH4), and some 1–3% of mass ...
A synthesis of ENSO effects on drylands in Australia, North America and South America
ENSO effects drylands Australia, North America and South America
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2010/1/25
Fundamentally, El Niño Southern Oscillation (ENSO) is a climatic and oceanographic phenomenon, but it has profound effects on terrestrial ecosystems. Although the ecological effects of ENSO are...