1,180 research outputs found
Energy in a Finite World: Paths to a Sustainable Future (Volume 1)
This volume summarizes the results of a seven-year study conducted at the International Institute for Applied Systems Analysis (IIASA) in Laxenburg, Austria. The work, which involved over 140 scientists from 20 countries, aimed to provide new and critical insights into the international long-term dimensions of the energy problem. Given this objective, the 50-year period from 1980 to 2030 was analyzed in detail, though parts of the study looked even further into the future. Geographically, all countries of the world were included -- developed and developing, market and centrally planned economies.
The picture that emerges is one of a world facing, during the 1980-2030 period, what is anticipated to be the steepest ever increase in its population. At the same time, the developing regions of the world, in which most of this population growth will occur, will be trying to close the economic gap separating them from the developed regions. Despite the resultant strains on the world's physical resources, on its institutions, and on human ingenuity, the conclusion is that the physical resources and the human potential exist to provide the energy for a 2030 world that is more prosperous than the world of today while supporting a population double that of 1975. Moreover, if resources are developed judiciously and strategically, the world of 2030 could be at the threshold of a critical and ultimately necessary transition from a global energy system based on depletable fossil fuels to one based on nondepletable, sustainable resources.
The companion volume, "Energy in a Finite World, Vol. 2, A Global Systems Analysis", also published by Ballinger, presents the study findings in detail, with the references and qualifications typical of a comprehensive scientific work. ER-81-4, "Energy in a Finite World: Executive Summary", by Alan McDonald, provides a concise summary of the study and is available from IIASA
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Transition-metal linkage of antimony-sulfide chains in [M(dien)2]{Sb18S30[M(dien)]2} (M = Mn, Fe, Co)
Three new isostructural transition-metal thioantimonates [M(dien)2]{Sb18S30[M(dien)]2} (M = Mn (1), Fe (2), Co (3)) have been prepared under solvothermal conditions in the presence of diethylenetriamine (dien). The compounds have been characterised by single-crystal X-ray diffraction, thermogravimetry, elemental analysis, magnetic susceptibility measurements and UV-vis reflectance spectroscopy. The materials crystallise in the space group P-1 and adopt a structure in which complex Sb18S306- chains are cross-linked into layers through transition-metal-dimer bridges, [M2S2], directly bonded to the thioantimonate layers. The layers contain pores, those in successive layers being aligned to generate a channel structure. Additional [M(dien)2]2+ cations are located within these channels in the interlayer space
Shadowlands: Reflections on One Hundred Years of Modern Japanese Literature
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Improving the Quality of EEG Data in Patients With Alzheimers Disease Using ICA
Does Independent Component Analysis (ICA) denature EEG
signals? We applied ICA to two groups of subjects (mild Alzheimer
patients and control subjects). The aim of this study was to examine
whether or not the ICA method can reduce both group di®erences and
within-subject variability. We found that ICA diminished Leave-One-
Out root mean square error (RMSE) of validation (from 0.32 to 0.28),
indicative of the reduction of group di®erence. More interestingly, ICA
reduced the inter-subject variability within each group (¾ = 2:54 in the
± range before ICA, ¾ = 1:56 after, Bartlett p = 0.046 after Bonfer-
roni correction). Additionally, we present a method to limit the impact
of human error (' 13:8%, with 75.6% inter-cleaner agreement) during
ICA cleaning, and reduce human bias. These ¯ndings suggests the novel
usefulness of ICA in clinical EEG in Alzheimer's disease for reduction of
subject variability
Civil Engineering Surrounds You
Academic engineering departments are regularly asked to conduct tours of their laboratories to prospective CSU students. For the Civil & Environmental Engineering department, the tours typically take place in the Driving Simulation laboratory, which houses an RS-600 driving simulator. The purpose of this project was to develop a driving scenario that highlights various aspects of civil engineering. The programmed scenario will be used to conduct future tours.https://engagedscholarship.csuohio.edu/u_poster_2018/1070/thumbnail.jp
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