Energy returns on ethanol production.

نویسنده

  • Tad W Patzek
چکیده

Author(s): Cutler J. Cleveland, Charles A. S. Hall, Robert A. Herendeen, Nathan Hagens, Robert Costanza, Kenneth Mulder, Lee Lynd, Nathanael Greene, Bruce Dale, Mark Laser, Dan Lashof, Michael Wang, Charles Wyman, Robert K. Kaufmann, Tad W. Patzek, Alexander E. Farrell, Richard J. Plevin, Brian T. Turner, Andrew D. Jones, Michael O'Hare and Daniel M. Kammen Reviewed work(s): Source: Science, New Series, Vol. 312, No. 5781 (Jun. 23, 2006), pp. 1746-1748 Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/3846529 . Accessed: 25/10/2012 14:39

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

An Investigation of Energy Use Efficiency and CO2 Emissions for Grape Production in Zanjan Province of Iran

Objective: The aims of this study were to determine energy efficiency and CO2 use pattern of grape production in Zanjan province, Iran by a non-parametric method of data envelopment analysis (DEA). Methods: Initial data were collected using a face to face questionnaire from 42 orchards in Abhar city of Zanjan province which is one of the most important centers of grape production in ...

متن کامل

In vitro Assessment of the Effect of Plant Extracts on Digestibility, Estimated Energy Value, Microbial Mass and Rumen Fermentation Kinetics

Three ethanol extracts, chamomile (CHA), clove (CLO) and tarragon (TAR), were tested at five doses (0, 250, 500, 750 and 1000 µL/L) to determine their effects on in vitro organic matter digestibility (IVOMD), metabolizable energy (ME), net energy of lactation (NEL), short-chain fatty acids (SCFA), microbial mass (MM) and rumen fermentation kinetics of a 40:60 forage: concentrate diet using in v...

متن کامل

Impact of Direct and Indirect Oil Shocks on Iran's Energy-intensive industries stock returns (Appling Simultaneous Equation System on Panel Data)

Regarding the fact that each country might be a net oil seller or net buyer, and considering its large share in the whole economy, the price of this commodity as well as its volatility could affect all economies around the world.  The impact of oil price volatility on the economy is seemed to be more dominant in Iran rather than any other developed or emerging economies, especially in recent ye...

متن کامل

An Investigation of Energy Use Efficiency and CO2 Emissions for Grape Production in Zanjan Province of Iran

Objective: The aims of this study were to determine energy efficiency and CO2 use pattern of grape production in Zanjan province, Iran by a non-parametric method of data envelopment analysis (DEA). Methods: Initial data were collected using a face to face questionnaire from 42 orchards in Abhar city of Zanjan province which is one of the most important centers of grape production in ...

متن کامل

Immobilizing Phosphotungstic Acid on Al2O3-ZnO Nano Mixed Oxides as Heterogeneous Catalyst for Biodiesel Production by Esterification of Free Fatty Acids

In this study, esterification reaction of different carboxylic acids (Acetic acid, Palmitic acid, Oleic acid) with ethanol was investigated by ZnO, Al2O3-ZnO mixed oxide and phosphotungestic acid (10 %wt) immobilized on the Al2O3-ZnO mixed oxide. The heterogeneous catalysts were characterized by XRD, BET, FE-SEM and EDX techniques. Optimum yield was achieved by using 10% HPW/Al2O3-ZnO as the be...

متن کامل

استفاده از مدل ناپارامتریک تصادفی فراگیر داده‌ها (StoNED) برای محاسبه کارایی انرژی تولید گندم در استان مازندران

In current research, energy efficiency and technical efficiency of wheat farmers were calculated in Mazandaran province. To estimate technical efficiency the Stochastic Nonparametric Envelopment of Data (StoNED) was used. The model incorporating nonparametric data envelopment analysis model which contain the smoothness and concavity constraints with stochastic frontier analysis model. The requi...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Science

دوره 312 5781  شماره 

صفحات  -

تاریخ انتشار 2006