دانلود مقاله انگلیسی رایگان:حسابداری اگزرژی گسترده برای ذوب شدن و فشار دادن صنعت فلزات در چین - 2021
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  • Extended exergy accounting for smelting and pressing of metals industry in China Extended exergy accounting for smelting and pressing of metals industry in China
    Extended exergy accounting for smelting and pressing of metals industry in China

    سال انتشار:

    2021


    عنوان انگلیسی مقاله:

    Extended exergy accounting for smelting and pressing of metals industry in China


    ترجمه فارسی عنوان مقاله:

    حسابداری اگزرژی گسترده برای ذوب شدن و فشار دادن صنعت فلزات در چین


    منبع:

    ScienceDirect- Elsevier- Resources Policy, 74 (2021) 102267: doi:10:1016/j:resourpol:2021:102267


    نویسنده:

    Hai Qi


    چکیده انگلیسی:

    Rapid expansion, relative shortage resources supply and environmental impact threat the sustainable develop- ment of the smelting and pressing of metals sector. Fluxes of energy, materials, environmental remediation expenses, labor, and capital were quantified by Joules based on the second-law thermodynamics during years 1992–2015. The accounting method that quantifies the component of the extended exergy fluxes and the pro- portion in the total inputs was used to analyze this energy-intensive industry. Net per-capita exergy resource input and labor production efficiency are described the conversion of natural resource exergy to economic output and labor efficiency. The results showed the following: (1) the smelting and pressing of metals sector expands rapidly; the ferrous metals industry accounts the large part of the overall metals industry and the nonferrous metals industry grows faster than the ferrous metals industry. Natural resource exergy, especially energy exergy, dominates the investments of the metals industry. (2) Capital exergy and labor exergy decrease in the smelting and pressing of metals industry, while they increase in the nonferrous metals industry and decrease in the ferrous metals industry. Environmental exergy declines in both the nonferrous metals and ferrous metals industries. (3) The comparison of the nonferrous metals and ferrous metals industries with China as a whole, conducted by applying the two indicators for efficiency, shows that the two industries are exceeding the whole country in efficiency and have made great progress. In addition, the extended exergy analysis of smelting and pressing of metals industry is helpful in the identification of resource consumption and environmental cost in sustainable development view.
    keywords: اگزرژی گسترده | چین | ذوب و فشار دادن | صنعت فلزات | Extended exergy | China | The smelting and pressing | Metals industry


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 11
    حجم فایل: 6367 کیلوبایت

    قیمت: رایگان


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