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السجلات المعروضة 1431 -- 1440 من 1443
Portfolio management and dependencies among precious metal markets: Evidence from a Copula quantile-on-quantile approach
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Elsevier Ltd
, 2019 , Article)
This study examines the dependence structure among four major precious metal markets: gold, palladium, platinum, and silver. Using the novel Copula Quantile-on-Quantile Regression (C-QQR) approach of Sim (2016), we show ...
Modelling the symmetric and asymmetric relationships between oil prices and those of corn, barley, and rapeseed oil
(
Elsevier Ltd
, 2019 , Article)
This study, using linear and nonlinear Autoregressive Distributed Lag (ARDL) Models, investigates the dynamic linkages between oil prices and agricultural commodities. The results from the linear model show that barley, ...
Swimming exercise protective effect on waterpipe tobacco smoking-induced impairment of memory and oxidative stress
(
Elsevier Inc.
, 2019 , Article)
Waterpipe tobacco smoking (WP) is associated with a vast range of detrimental health effects, including memory impairment and anti-oxidative scavenging dysfunction. Forced swimming exercise (FSE) is known to improve cognitive ...
The neuroprotective effect of vitamin E on waterpipe tobacco smoking-induced memory impairment: The antioxidative role
(
Elsevier Inc.
, 2019 , Article)
Aims: Tobacco smoking is associated with a vast range of adverse health effects, including diminished cognitive and anti-oxidative capabilities. Conversely, vitamin E (VitE) is known to enhance data acquisition and retention ...
Sustainable development in Asian manufacturing SMEs: Progress and directions
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Elsevier B.V.
, 2019 , Article)
This article identifies the factors that influence the environmental, social and financial performance of small and medium-sized enterprises (SMEs) in the manufacturing sector in Asia. Asian SMEs play an important role in ...
Developing ANN-Kriging hybrid model based on process parameters for prediction of mean residence time distribution in twin-screw wet granulation
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Elsevier B.V.
, 2019 , Article)
Artificial neural network (ANN) modelling is applied to predict the mean residence time of pharmaceutical formulation in a twin-screw granulator. Process parameters including feed flow rate, screw speed, and liquid to solid ...
Effect of gas templating of resorcinol-formaldehyde xerogels on characteristics and performances of subsequent activated carbons
(
Elsevier Ltd
, 2019 , Article)
Gas-templated resorcinol formaldehyde-activated carbon xerogels (GT-RF-ACXs) were prepared from resorcinol-formaldehyde xerogels that were templated by infusing different gases (e.g., nitrogen, oxygen, methane, ethylene, ...
Non-standard characteristic of overcurrent relay for minimum operating time and maximum protection level
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Elsevier B.V.
, 2019 , Article)
Industrial overcurrent relays such as MiCOM P123 (overcurrent and earth fault protection relay) often offer three individual options for separate settings. These settings can be separately tuned and such ability can be ...
Optimal adaptive control of drug dosing using integral reinforcement learning
(
Elsevier Inc.
, 2019 , Article)
In this paper, a reinforcement learning (RL)-based optimal adaptive control approach is proposed for the continuous infusion of a sedative drug to maintain a required level of sedation. To illustrate the proposed method, ...
Evaluation of a novel greenhouse design for reduced cooling loads during the hot season in subtropical regions
(
Elsevier Ltd
, 2019 , Article)
Greenhouses provide an optimized growth environment for plants. However, providing this environment is energy intensive. In subtropical regions, most of this energy is to cater for the required cooling. The cooling demand ...