Análisis de la variación del coeficiente de rugosidad de Manning con respecto a la pendiente del canal en tubería de PVC de 315 mm de diámetro [PDF]
Revista Ingeniería UC, 2018 El coeficiente de rugosidad de Manning es un índice el cual determina la resistencia de un flujo en un canal, es por esto, y por la posibilidad de calcular este coeficiente que se pretende determinar la influencia de la pendiente de un canal en el ...
Alejandro Araya I. +2 more
doaj
Application of lime in the polyvinyl chloride industry [PDF]
Mining and Metallurgy Engineering Bor, 2014 This paper presents the importance of limestone in a variety of industries with a special focus on the use of limestone as filler in the industry of polyvinyl chloride (PVC).
Mihajlović Slavica R. +3 more
doaj +1 more source
Microfouling of Manganese-oxidizing microorganisms in Rameswaram Coastal Waters. [PDF]
, 2009 Manganese oxidizing marine microorganisms was studied from the coupons of PVC, Titanium, Brass, Copper and Stainless Steel were immersed one meter below water surface, using wooden rafts.
E Kannapiran +2 more
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Orbital: The Electronic Journal of Chemistry, 2013 A new validated method is described for determining bisphenol A (BPA) in surface and public-supply water samples. Recovery rates of 91% to 113%, with coefficients of variation below 8.9%, were obtained within the limit of detection (2.4 ng L–1 ...
Émerson Montagner +4 more
doaj +1 more source
Are chimpanzees really so poor at understanding imperative pointing? Some new data and an alternative view of canine and ape social cognition [PDF]
, 2013 There is considerable interest in comparative research on different species’ abilities to respond to human communicative cues such as gaze and pointing.
C Colonnesi +35 more
core +4 more sources
Effect of silica particles on adhesion strength of polyvinyl chloride coatings on metal substrates [PDF]
Iranian Journal of Chemical Engineering, 2017 The aim of this study was to improve the adhesion performance of plasticized polyvinyl chloride (PVC) coatings on steel substrates by using nanoparticles.
M. Fasihi, R. Arabzadeh, M.R. Moghbeli
doaj
An XPS investigation of thermal degradation and charring on poly(vinyl chloride)–clay nanocomposites [PDF]
, 2003 More information concerning the thermal degradation and charring of nanocomposites of poly(vinyl chloride), dioctyl phthalate and clay has been obtained by the use of X-ray photoelectron spectroscopy and the acquisition of the carbon (C1s), chlorine ...
Du, Jianxin +3 more
core +1 more source
The Rise of the Career PVC [PDF]
, 2014 Pro vice chancellors play a pivotal role in university management but they have rarely been the subject of research in their own right. This article draws on findings from the author’s doctoral study to explore recent changes to PVC roles and ...
Shepherd, Sue
core
能源环境保护Pyrolysis is an important method for treating PVC waste and recovering resources. However, the formation and emission of chlorine (Cl)-based compounds (e.g., HCl and small molecule chlorinated hydrocarbons) during PVC pyrolysis significantly limit the ...
Pingping WANG, Wujun LIU
doaj +1 more source
Lift & Project Systems Performing on the Partial-Vertex-Cover Polytope
, 2020 We study integrality gap (IG) lower bounds on strong LP and SDP relaxations derived by the Sherali-Adams (SA), Lovasz-Schrijver-SDP (LS+), and Sherali-Adams-SDP (SA+) lift-and-project (L&P) systems for the t-Partial-Vertex-Cover (t-PVC) problem, a ...
Georgiou, Konstantinos +5 more
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