نتایج جستجو برای: river self remediation

تعداد نتایج: 618605  

1996
Ann C. Gentile Mark J. Kushner

Plasma remediation is being investigated for the removal of oxides of nitrogen (NxOy) from atmospheric pressure gas streams. In previous works we have investigated the plasma remediation of NxOy from N2 /O2 /H2O mixtures using repetitively pulsed dielectric barrier discharges. As combustion effluents contain large percentages of CO2, in this paper we discuss the consequences of CO2 in the gas m...

2008
Zhengwu Jiang Shilong Mei

Based on appropriate assessment methods and indexes of self-compacting concrete proposed, properties of concrete made with river-sand and machine-made sand was firstly compared in different mix proportions. The techniques such as basic parameters optimization of mix proportion, admixture composition, large-volume mineral admixtures addition for preparing machine-made sand self-compacting concre...

Journal: :The American journal of psychiatry 2007
Susan R McGurk Elizabeth W Twamley David I Sitzer Gregory J McHugo Kim T Mueser

OBJECTIVE This study evaluated the effects of cognitive remediation for improving cognitive performance, symptoms, and psychosocial functioning in schizophrenia. METHOD A meta-analysis was conducted of 26 randomized, controlled trials of cognitive remediation in schizophrenia including 1,151 patients. RESULTS Cognitive remediation was associated with significant improvements across all thre...

2010
Angelos K. Marnerides Matthew Jakeman David Hutchison Dimitrios P. Pezaros

The diverse characteristics of network anomalies and the different recovery approaches that can subsequently be employed to remediate their effects, constitute static defence mechanisms tuned at responding to specific abnormalities suboptimal for providing an overall resilience framework. The emerging autonomic network environments in particular, require always-on, adaptive, and generic mechani...

2016
Hana Lahr

In fall 2015, with leadership from the Tennessee Board of Regents, the 13 community colleges in Tennessee implemented corequisite remediation at scale for math, writing, and reading. Under the corequisite model, academically unprepared students take entry-level college courses simultaneously with remedial academic support. The corequisite model differs from the conventional approach in which re...

Journal: :Physical review letters 1995
Giacometti Maritan Banavar

The effects of erosion, avalanching and random precipitation are captured in a simple stochastic partial differential equation for modelling the evolution of river networks. Our model leads to a self-organized structured landscape and to abstraction and piracy of the smaller tributaries as the evolution proceeds. An algebraic distribution of the average basin areas and a power law relationship ...

2016
Yoon Lee

Ecological river restoration projects aim to revitalize healthy and self-sustaining river systems that can provide irreplaceable benefits to human society. Cheonggyecheon and Anyangcheon are two sites of recent river restoration projects in Korea. To assess the economic value of two rivers, count data was collected to conduct the individual travel cost method (ITCM) in this study. Five statisti...

2007
L. S. KUCHMENT A. N. GELFAN

Abstract An analysis of snow cover measurement data in a number of physiographic regions and landscapes has shown that fields of snow cover characteristics exhibit statistical self-similarity property. This property is useful when, because of a sparse measurement network, the spatial variability of snow cover can be determined only for large enough basins. Small-scale variability of snow cover ...

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