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السجلات المعروضة 61 -- 70 من 1082
A time-varying copula approach for modelling dependency: New evidence from commodity and stock markets
(
Elsevier
, 2016 , Article)
This paper examines the time-varying conditional dependency between commodity markets and stock markets by applying the rolling-sample technique on the dependence parameter of copula. The dataset consists of the closing ...
Changes in movement organization and control strategies when learning a biomechanically constrained gait pattern, racewalking: a PCA study
(
Springer-Verlag
, 2016 , Article)
Combining advances from gait analysis and motor learning fields, this study aims to examine invariant characteristics and practice-related changes in the control of walking gait when learning a biomechanically constrained ...
TiO2 nanotubes and mesoporous silica as containers in self-healing epoxy coatings
(
Nature Publishing Group
, 2016 , Article)
The potential of inorganic nanomaterials as reservoirs for healing agents is presented here. Mesoporous silica (SBA-15) and TiO2 nanotubes (TNTs) were synthesized. Both epoxy-encapsulated TiO2 nanotubes and amine-immobilized ...
Catalytic evaluation of nickel nanoparticles in methane steam reforming
(
Elsevier
, 2016 , Article)
Development of a highly efficient and coke-resistant, nickel nanoparticles (Ni.NPs) based catalyst in the steam reformation reaction of methane is reported. The catalyst was prepared by dispersing Ni-nanoparticles over ...
Mechanism and kinetics of electrochemical degradation of uric acid using conductive-diamond anodes
(
Taylor & Francis
, 2016 , Article)
Uric acid (UA) is one of the principal effluents of urine wastewaters, widely used in agriculture as fertilizer, which is potentially dangerous and biorefractory. Hence, the degradation of UA (2,6,8-trihydroxy purine) in ...
Multivariate analysis of competitive adsorption of food dyes by activated pine wood
(
Taylor & Francis
, 2016 , Article)
In this work, competitive adsorption of four food dyes (Sunset Yellow, Allura Red, tartrazine, and Brilliant Black) by heated pine wood is studied using multivariate calibration. Partial least squares PLS1 and principal ...
How does the tax status of a country impact capital structure? Evidence from the GCC region
(
Elsevier B.V.
, 2016 , Article)
We investigate whether the tax status of a country has an impact on corporate capital structure. This research question is important and timely given that the empirical literature has not reached a consensus on the effect ...
Prevalence of anelloviruses (TTV, TTMDV, and TTMV) in healthy blood donors and in patients infected with HBV or HCV in Qatar
(
BioMed Central
, 2016 , Article)
Background
Anelloviruses (TTV, TTMV, and TTMDV) have been associated with non A-G hepatitis. The goal of the current study was to estimate the prevalence of these anelloviruses in Qatar.
Methods
A total of 607 blood ...
Severe neurological manifestations in an Egyptian patient with a novel frameshift mutation in the Glutaryl-CoA dehydrogenase gene
(
Springer US
, 2016 , Article)
Abstract To characterize an Egyptian patient with glutaric
acidemia type I (GA I) and to identify the causative mutation(
s) that may be responsible for the disease phenotype.
MRI was performed on the patient using the ...
Petroleum refinery wastewater treatment: A pilot scale study
(
Elsevier
, 2016 , Article)
A three-step pilot plant was designed, fabricated and tested for the treatment of highly contaminated petroleum refinery wastewater. The three-step process consisted of an electrocoagulation (EC) unit, a biological treatment ...