Xem 1-20 trên 36 kết quả Carbon reduction
  • With a view to launch a low carbon society in Taiwan by 2050, the Executive Yuan ratified the Sustainable Energy Policy Guide in 2008. Taiwan is now committed to reduce CO2 emission back to its 2005 level by 2020. Then, back to the 2000 level by 2025, and finally achieving 50% of 2000 level by 2050. In addition, the EPA abiding by the Copenhagen Accord to summit Taiwanese NAMAs to the UNFCCC in 2010.

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  • Greenhouse gases, such as carbon dioxide, nitrous oxide, methane, and ozone, play an important role in balancing the temperature of the Earth’s surface by absorbing and emitting radiation within the thermal infrared range from the source. However, with the enormous burning of fossil fuels from the industrial revolution, the concentration of greenhouse gases in the atmosphere has greatly increased.

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  • Agricultural development is widely recognized as crucial for poverty reduction. At the same time, agricultural expansion and ever more intensive practices are widely recognized for their contribution to ecosystem degradation. Less well recognized is that, in many cases, agriculture offers the potential to generate both poverty reduction and better environmental outcomes. The studies presented in this volume look at one policy tool that may address this gap: payments for environmental services (PES).

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Size-controlled synthesis of monodispersed gold nanoparticles via carbon monoxide gas reduction

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  • Over the next 10 years, federal spending on crop insurance is projected to outpace spending on traditional commodity programs by about one-third, which might capture the attention of budget cutters looking for potential sources of savings. Insurance companies, farm groups, and some members of Congress are concerned that additional reductions in federal support will negatively impact the financial health of the crop insurance industry and possibly jeopardize the delivery of crop insurance.

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  • Petroleum contaminant decomposition and in-situ destruction may be accomplished using chemical oxidation technologies. In contrast to other remedial technologies, contaminant reduction can be seen in short time frames (e.g., weeks or months). As discussed in this chapter, a variety of chemical oxidants and application techniques can be used to bring oxidizing materials into contact with subsurface contaminants to remediate the contamination.

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  • The 2004 Climate Plan outlines a series of programs designed to cut 72 million tons of carbon dioxide emissions annually, beyond the scope of France's commitments under the Kyoto Protocol. The European Union's burden-sharing approach to the Kyoto Protocol calls on France to freeze its greenhouse gas emissions at 1990 levels over the 2008-2012 period, an objective that government officials say will require annual reductions of 54 million tons of carbon dioxide emissions.

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  • Extraction activities disturb the land surface through clearing of vegetation, removal of topsoil, excavation of ore and overburden and the construction of over- burden dumps or solar evaporation ponds. Removal and stockpiling of topsoil for subsequent rehabilitation is carried out at many mining opera- tions. In a number of cases, topsoil is removed and placed directly on landscaped reclaimed areas. This avoids the cost of re-transporting topsoil from stock- piles and the possible reduction of biodiversity.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Controlled Growth of Carbon Spheres Through the Mg-Reduction Route

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  • Isocitrate dehydrogenase (IDH) catalyzes the reversible conversion between isocitrate and 2-oxoglutarate accom-panied by decarboxylation/carboxylation and oxidoreduc-tion of NAD(P) + cofactor.While this enzyme has beenwell studiedas a catabolic enzyme in the tricarboxylicacid (TCA) cycle, here we have characterized NADP-dependent IDH fromChlorobiumlimicola, agreen sulfur bacteriumthat ®xes CO2 through the reductive tricarboxylic acid (RTCA) cycle, focusing on theCO2-®xation ability of the enzyme. ...

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  • This book comprises the contributions of several authors in the area of polymer physics by application of conducting polymers; hydrogel films on optical fiber core; thin film polymers; PDLC films application; photopolymers for holographic media; microwave absorption and EMI shielding behavior of nanocomposites based on intrinsically conducting polymers and graphene and carbon nanotubes; in the area of polymer synthesis of conducting polymers; oxidative polymerization of aniline; electro reductive polymerization; polysilanes with ordered sequences; radiation cross-linking poly(urethan...

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  • Sustainable forest management (SFM) is not a new concept. However, its popularity has increased in the last few decades because of public concern about the dramatic decrease in forest resources. SFM is generally implemented using criteria and indicators (C&I) that define forest management standards, and several countries have established their own sets of C&I within the framework of different international or regional processes. Nevertheless, none of the C&I systems have been universally accepted and future research should consider the current and future indicators....

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  • Fractional area reduction Area Critical hardness for carbon content and tempering temperature, Rockwell C scale Diameter Tempering decrement, Rockwell C scale; carbon ideal diameter, in Ideal critical diameter, in Distant hardness, Rockwell C scale Equivalent Jominy distance, sixteenths of inch Tempering

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  • Understanding greenhouse gas sources, emissions, measurements, and management is essential for capture, utilization, reduction, and storage of greenhouse gas, which plays a crucial role in issues such as global warming and climate change. Taking advantage of the authors' experience in greenhouse gases, this book discusses an overview of recently developed techniques, methods, and strategies: - A comprehensive source investigation of greenhouse gases that are emitted from hydrocarbon reservoirs, vehicle transportation, agricultural landscapes, farms, non-cattle confined buildings, and so on.

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  • Early metabolic steps, including glycolysis and the activity of the pyruvate dehydrogenase complex, yield a two-carbon fragment called an acetyl group, which is linked to a large cofactor known as coenzyme A (or CoA). It is during the citric acid cycle that acetyl-CoA is oxidized to the waste product, carbon dioxide, along with the reduction of the cofactors NAD+ and ubiquinone

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  • The prototypical catalytic reductiveC–Cbond formations, the Fischer-Tropsch reaction [1] and alkene hydroformylation [2], were discovered in 1922 and 1938, respectively [3,4]. These processes, which involve reductive coupling to carbon monoxide, have long been applied to the industrial manufacture of commodity chemicals [5]. Notably, alkene hydroformylation, also known as the oxo-synthesis, has emerged as the largest volume application of homogeneous metal catalysis, accounting for the production of over 7 million metric tons of aldehyde annually.

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  • Exposure to carbon monoxide reduces maximum exercise ability in healthy young individuals and reduces the time to angina and, in some cases, the time to ST-segment depression in people with cardiovascular disease, albeit at a con- centration that is lower than that needed to reduce exercise ability in healthy in- dividuals.

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  • In one's enthusiasm about something, one can easily lose perspective. Thus, although car- sharing clearly has a wide variety of positive effects, it cannot achieve everything one might hope. Even if during the next 20 years, the full potential of car-sharing in terms of number of households were achieved (somewhere around a million), this could only be expected to result in a reduction in carbon dioxide emissions by road traffic of a few percent.

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  • Therefore we need to work with government and business if we are to live within the means of one planet. Reducing our Ecological Footprint personally and across UK institutions is not only better for the planet, but reduces our reliance on other countries, increases our energy security and saves money. The UK government was the first in the world to commit to enshrine in law a 60% cut in carbon emissions by 2050. However, we will need an 80% reduction, as the scientific evidence continues to show. The Scottish government...

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  • The effects of expanded graphite, carbon fibre, needle coke and polyacene, when used as positive electrode additives, on the PbO2 electrode behaviour of lead/acid batteries are studied. It is found that, during the initial stage of charge/discharge cycling, all of the additives are able to raise appreciably the coefficient of utilization of the positive active material. By contrast, they cause, to differing degrees, a reduction in service life when a certain nitrogenous heterocyclic compound (AS) is added to the positive active material. ...

    pdf6p congdat261 19-11-2010 52 3   Download

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