نتایج جستجو برای: ultra clean coal

تعداد نتایج: 121388  

Journal: :Physical Communication 2014
Xiaoyang Li Qilian Liang Francis C. M. Lau

In this paper, a method for through-wall human detection based on the singular values decomposition of the measurement matrices is presented. After demonstrating the sparsity of the matrices using CLEAN algorithm, an SVD algorithm based on Lanczos process is applied to compute their singular values. We also analyze the singular values of matrices constructed by difference square techniques for ...

2010
Shelby Gerking Stephen F. Hamilton

Following the U.S. Clean Air Act Amendments of 1990, electric utilities dramatically increased their utilization of low-sulfur coal from the Powder River Basin (PRB). Recent studies indicate that railroads hauling PRB coal exercise a substantial degree of market power and that relative price changes in the mining and transportation sectors were contributing factors to the observed pattern of in...

Journal: :international journal of energy and environmental engineering 2011
marco gambini michela vellini

hydrogen technology is becoming ever more relevant because hydrogen use can help containinggreenhouse gas emission if co2 capture and storage techniques are implemented in the hydrogen productiontechnology (when hydrogen is produced from fossil fuels). for this reason this work aims at carryingout a comparative analysis of possible energy scenarios in urban districts: a medium-small italian cit...

2011
G. Tatsis P. Kostarakis

In this paper an experimental characterization of a typical indoor wireless propagation channel is performed. This channel characterization is needed for short range applications (<10m), utilizing Ultra-Wideband Impulse Radio (UWB-IR) techniques. Both the line of sight (LOS) and the non line of sight (NLOS) scenarios are taken into account. The characterization is done using time domain measure...

2012
Sarah Ann Smith

A simple thermodynamic analysis suggests that oil can spontaneously displace water from coal’s surface if the coal particle has a water contact angle greater than 90°. However, the clean coal products obtained from laboratory-scale dewatering-by-displacement (DbD) test work assayed moistures substantially higher than expected. These high moisture contents were attributed to the formation of wat...

Journal: :The Journal of Bone and Joint Surgery. British volume 1983

1998
Thomas A. Lynch

The Wabash River Coal Gasification Repowering Project (WRCGRP), a joint venture between Dynegy Power Corp., and PSI Energy, Inc., began commercial operation in November of 1995. The Project, selected by the United States Department of Energy (DOE) under the Clean Coal Program (Round IV) represents the largest operating coal-gasification combined-cycle plant in the world. This demonstration proj...

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1975

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