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photoconductor    
n. 光导体

光导体

photoconductor
光导体;光电导体 PT


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  • Biofuels explained Biofuels and the environment - U. S. Energy . . .
    Burning biofuels results in emissions of carbon dioxide (CO 2), a greenhouse gas However, according to international convention, CO 2 emissions from biofuel combustion are excluded from national greenhouse gas emissions inventories because growing the biomass feedstocks used for biofuel production may offset the CO 2 produced when biofuels are burned
  • Biofuels policy has been a failure for the climate, new . . .
    The new report points to research saying that increased production of biofuels from corn and soy could actually raise greenhouse gas emissions, largely from carbon emissions linked to clearing
  • Biofuels Greenhouse Gas Emissions: Myths versus Facts
    increase the use of clean, abundant, affordable, and domestically- and sustainably-produced biofuels to diversify our nation™s energy sources, reduce greenhouse gas emissions, and reduce our dependence on oil U S energy consumption is expected to grow 50% percent by 2030 Biofuels must continue to play a
  • Biofuels and the Environment - US EPA
    Replacing fossil fuels with biofuels has the potential to reduce some undesirable environmental impacts of fossil fuel production and use, including conventional and greenhouse gas (GHG) pollutant emissions, exhaustible resource depletion, and dependence on unstable foreign suppliers Demand for biofuels could also increase farm income
  • Do Biofuels Increase Greenhouse Gas Emissions? - Slashdot
    American farming is, by far, the largest source of domestic nitrous oxide emissions already — about 50 percent If biofuel policies lead to expanded production, emissions of this enormously powerful greenhouse gas will likely increase, too
  • Do Biofuels Boost or Hurt Greenhouse Gas Emissions?
    A recent report, drawing on a vast body of research, challenges the conventional wisdom, suggesting that the expansion of biofuel production – particularly in the U S – may be contributing to higher greenhouse gas emissions instead of lowering them The Unintended Consequences of Green Policies
  • Are Biofuels More Environmentally Friendly? The Greenhouse . . .
    They are- biofuel farming, biofuel production, biofuel transportation and distribution (TD), and biofuel combustion In each stage, there are GHG emissions During corn farming, two major ways can increase GHG emission: first, soil generates nitrous oxide (N 2 O), which accounts for 31–59% of overall GHG emissions





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