نتایج جستجو برای: deterioration process

تعداد نتایج: 1340912  

2017
Tuo Chen

Abstract This paper documents the sectoral growth paths of measured total factor productivity (TFP) in southern Europe during the boom that proceeded the great contraction (1996 to 2007). Using both aggregate and firm-level panel data, I show that TFP in sectors that displayed fast expansion, such as construction, dropped significantly, while in non-expanding sectors, such as manufacturing, it ...

Journal: :Experimental aging research 2012
Joshua D Cosman Monica N Lees John D Lee Matthew Rizzo Shaun P Vecera

UNLABELLED BACKGROUND/STUDY CONTEXT: Typical measures for assessing the useful field (UFOV) of view involve many components of attention. The objective of the current experiment was to examine differences in visual search efficiency for older individuals with and without UFOV impairment. METHODS The authors used a computerized screening instrument to assess the useful field of view and to cha...

Journal: :Physical chemistry chemical physics : PCCP 2015
A O Surov C T Bui T V Volkova A N Proshin G L Perlovich

The influence of a structural modification on thermodynamic aspects of solubility and hydration processes of 1,2,4-thiadiazole drug-like compounds was investigated. A substitution in the phenyl ring of the 1,2,4-thiadiazole molecule leads to a significant decrease of the solubility of these compounds. In order to rationalize the relationship between the structures of 1,2,4-thiadiazoles and thei...

2004
Yehuda Kleiner

Numerous models have been proposed in the last two decades for the deterioration of buried pipes. The most prominent approach has been the Markovian deterioration processes (MDP), which requires that the condition of the deteriorating system be encoded as an ordinal condition state. This encoding is based on numerous distress indicators obtained possibly from direct and indirect observations, a...

Journal: :Practical Neurology 2004

Journal: :Frontiers in Materials 2022

Taking the dolomite with anhydrite interlayer at bottom of Huangcaoshan Tunnel in Shanghai-Wuhan-Chengdu high-speed railway as research object, wetting deterioration and uniaxial compression tests were performed to study influence different orientations on hygroscopic characteristics rock analyze process deterioration. The cracking deformation directions analyzed respectively from time effect m...

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