Search
Now showing items 4651-4660 of 5737
Rational design of porous binary Pt-based nanodendrites as efficient catalysts for direct glucose fuel cells over a wide pH range
(
Royal Society of Chemistry
, 2017 , Article)
The development of porous bi-metallic Pt-based nanocrystals (NCs) as efficient catalysts for the glucose oxidation reaction (GOR) over a wide pH range is still a grand challenge. Triggered by this challenge, we report the ...
Controlled design of PtPd nanodendrite ornamented niobium oxynitride nanosheets for solar-driven water splitting
(
Royal Society of Chemistry
, 2018 , Article)
Developing efficient photocatalysts for the water splitting reaction is crucial in a fuel cell reaction. Herein, we present a facile road-map for one-pot fabrication of PtPd nanodendrite (ND) ornamented niobium oxynitride ...
Highly active, durable and pH-universal hybrid oxide nanocrystals for efficient oxygen evolution
(
Royal Society of Chemistry
, 2017 , Article)
The development of an active, durable, and low-cost catalyst remains hitherto a grand challenge in energy conversion technologies. Herein, hybrid Ptx-NiMnO3 nanocrystals (NCs) (x = 0.1, 0.5, and 1.0 mM) were synthesized ...
Preparing foundation-year students for medical studies in a problem-based learning environment: Students׳ perceptions
(
Elsevier
, 2016 , Article)
PurposeTo contribute to the field of preparing new students for their medical studies and to investigate how foundation-year medical students perceive the progression of appropriate learning skills for studying in a PBL ...
Asymmetric volatility and conditional expected returns: Evidence from emerging market sectors
(
Emerald Group Publishing Ltd.
, 2017 , Article)
Purpose: The risk-return relationship is one of the most widely investigated topics in finance, yet this relationship remains one of the most controversial topics. The purpose of this paper is to investigate the asymmetric ...
Does investors' fear gauge in a mature market matter? Evidence from the MENA region
(
Institutional Investor, Inc
, 2018 , Article)
This article examines the notion that less developed markets may be deemed safe havens for international investors. It tests the effect of mature markets' fear on risk and return in less developed markets. The study employs ...
Volatility forecasting, downside risk, and diversification benefits of Bitcoin and oil and international commodity markets: A comparative analysis with yellow metal
(
Elsevier
, 2019 , Article)
This study examines the diversification and hedging properties of Bitcoin (BTC) and gold assets for oil and S&P GSCI investors. We model and forecast the volatility performance of the pairs BTC-oil, gold-oil, BTC-S&P GSCI, ...
Does openness enhance financial sector development? The experience of the arab world
(
Emerald Group Holdings Ltd.
, 2014 , Article)
Purpose - The purpose of this paper is to examine if the simultaneous openness to trade and capital account can promote financial sector development. Design/methodology/approach - Based on a sample of 12 Arab countries ...
Capital structure, tax effect, financial crisis and default risk: Evidence from emerging market
(
Inderscience Publishers
, 2017 , Article)
The central objective of this study is to investigate the effect of capital structure on corporate failure in the emerging market, in particular Jordan, using a panel data analysis sample representative of 180 Jordanian ...
Employee perceptions of fairness toward IoT monitoring
(
Emerald Group Publishing Ltd.
, 2018 , Article)
Purpose
This paper aims to explore Internet of Things (IoT)-enabled monitoring in a multi-national petrochemical organization in Qatar and finds that the technology does not negatively influence employee perceptions of ...