Results 141 to 150 of about 5,068,900 (201)
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, 2020
Artificial and natural weathering treatments have been shown to influence the chemical and physical properties of wood and wood-based materials, e.g. moisture content, density, composition and coloration. Changes in color caused by natural and artificial
Tiago Hendrigo de Almeida +3 more
semanticscholar +1 more source
Artificial and natural weathering treatments have been shown to influence the chemical and physical properties of wood and wood-based materials, e.g. moisture content, density, composition and coloration. Changes in color caused by natural and artificial
Tiago Hendrigo de Almeida +3 more
semanticscholar +1 more source
Polymer testing, 2019
This study investigated the effects of natural weathering on the physical and mechanical properties of biodegradable composites based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and wood flour (WF).
C. Chan +6 more
semanticscholar +1 more source
This study investigated the effects of natural weathering on the physical and mechanical properties of biodegradable composites based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and wood flour (WF).
C. Chan +6 more
semanticscholar +1 more source
Journal of Environmental Management, 2019
In this work, real life reclaimed plastic solid waste (PSW) secured from the municipal sector was mechanically recycled and compounded with virgin linear low density polyethylene (LLDPE).
S. Al-Salem
semanticscholar +1 more source
In this work, real life reclaimed plastic solid waste (PSW) secured from the municipal sector was mechanically recycled and compounded with virgin linear low density polyethylene (LLDPE).
S. Al-Salem
semanticscholar +1 more source
Artificial and natural weathering of ABS
Journal of Applied Polymer Science, 2010AbstractAcrylonitrile‐butadiene‐styrene (ABS) is a complex copolymer with exceptional importance in technological applications. However, ABS is known to present a high susceptibility to weathering when exposed to UV radiation in the presence of oxygen. In this work, photodegradation of ABS was studied under natural and accelerated conditions.
Santos, R. M. +2 more
openaire +2 more sources
Science of the Total Environment, 2019
The Pearl River Basin is a region with elevated geochemical baseline levels due to high metals/metalloids content in the sediments and soils. In this paper we systematically analyzed the behavior of these metals/metalloid (Cr, Ni, Cu, Zn, Cd, As, and Pb)
S. Qu, Weihua Wu, W. Nel, J. Ji
semanticscholar +1 more source
The Pearl River Basin is a region with elevated geochemical baseline levels due to high metals/metalloids content in the sediments and soils. In this paper we systematically analyzed the behavior of these metals/metalloid (Cr, Ni, Cu, Zn, Cd, As, and Pb)
S. Qu, Weihua Wu, W. Nel, J. Ji
semanticscholar +1 more source
The effect of natural weathering on dissolution rates
Geochimica et Cosmochimica Acta, 1993Abstract Surface area measurements and dissolution experiments were performed on a naturally weathered mineral assemblage rich in quartz and feldspar. The surface areas of unfractured (612 μm) and ground samples were measured at different levels of surface detail, using a dissecting microscope, SEM, and the BET-krypton method.
openaire +2 more sources
Natural weathering severity of typical coastal environment on polystyrene: Experiment and modeling
Polymer testing, 2019Natural weathering of polystyrene (PS) was performed at six exposure sites with various climate types along the coastal line from China to Europe, including Qionghai (typical hot-humid climate), Sansha (island hot-humid climate), Chennai (savanna hot ...
Yu Shi +4 more
semanticscholar +1 more source
Natural Weathering Studies of Polypropylene
Journal of Polymers and the Environment, 2009Polypropylene (PP) has achieved a dominating position and hence, their consumption increases thereby littering, which lead to environmental pollution. Photodegradation seems to be a better choice because of naturally available sunlight as energy source for degradation.
K. Rajakumar +4 more
openaire +1 more source
THE NATURE OF BASALT WEATHERING IN ISRAEL
Soil Science, 1978ABSTRACT Three major weathering forms of upper Cenozoic basalts are recognized: a weathering crust, several millimeters thinck, at the interface with the massive basalt; a weathering zone, several centimeters thick, associated with vesicular basalt; and thoroughly altered basalt saprolite, mostly obtained under prolonged water-saturated conditions ...
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On the Systemic Nature of Weather Risk
2009Systemic weather risk is a major obstacle for the formation of private (nonsubsidized) crop insurance. This paper explores the possibility of spatial diversification of insurance by estimating the joint occurrence of unfavorable weather conditions in different locations. For that purpose copula methods are employed that allow an adequate description of
Xu, Wei +7 more
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