Search Results - "Ong, H. C."

Microwave-Hydrothermal Preparation and Visible-Light Photoactivity of Plasmonic Photocatalyst Ag-TiO2 Nanocomposite Hollow Spheres by Xiang, Quanjun, Yu, Jiaguo, Cheng, Bei, Ong, H. C.

“…Visible‐light‐driven plasmonic photocatalyst Ag‐TiO2 nanocomposite hollow spheres are prepared by a template‐free chemically‐induced self‐transformation…”
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Non-edible vegetable oils: A critical evaluation of oil extraction, fatty acid compositions, biodiesel production, characteristics, engine performance and emissions production by Atabani, A.E., Silitonga, A.S., Ong, H.C., Mahlia, T.M.I., Masjuki, H.H., Badruddin, Irfan Anjum, Fayaz, H.

“…World energy demand is expected to increase due to the expanding urbanization, better living standards and increasing population. At a time when society is…”
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A review on energy scenario and sustainable energy in Malaysia by Ong, H.C., Mahlia, T.M.I., Masjuki, H.H.

“…Abundant and economical energy is the life blood of modern civilizations. Global energy consumption in 2009 is expected to slightly increase to about…”
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Production and comparative fuel properties of biodiesel from non-edible oils: Jatropha curcas, Sterculia foetida and Ceiba pentandra by Ong, H.C., Silitonga, A.S., Masjuki, H.H., Mahlia, T.M.I., Chong, W.T., Boosroh, M.H.

“…[Display omitted] •Biodiesel is an effective way to overcome environmental issue by diesel fuel.•Two stage acid (H2SO4) and base (NaOH) catalyst…”
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A review on energy pattern and policy for transportation sector in Malaysia by Ong, H.C., Mahlia, T.M.I., Masjuki, H.H.

“…Transportation has dominated global fuel consumption and greenhouse gas emissions have risen in an alarming rate. Gasoline and diesel consumption for road…”
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Characterization and production of Ceiba pentandra biodiesel and its blends by Silitonga, A.S., Ong, H.C., Mahlia, T.M.I., Masjuki, H.H., Chong, W.T.

“…This paper investigates the opportunity of biodiesel characterization and production from Ceiba pentandra seed oil. The biodiesel production was conducted by…”
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A global comparative review of biodiesel production from jatropha curcas using different homogeneous acid and alkaline catalysts: Study of physical and chemical properties by Silitonga, A.S., Masjuki, H.H., Mahlia, T.M.I., Ong, H.C., Atabani, A.E., Chong, W.T.

“…Recently, jatropha curcas methyl ester (biodiesel) as a potential substitute to petrol diesel has prompted many researchers around the world to carry out…”
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Production of biodiesel from Sterculia foetida and its process optimization by Silitonga, A.S., Ong, H.C., Masjuki, H.H., Mahlia, T.M.I., Chong, W.T., Yusaf, Talal F.

“…•Sterculia foetida is one of non-edible feedstocks for biodiesel production.•The FAC of S. foetida was found 17.7% (palmitic) and 35.1% (sterculoyl).•The…”
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Nano-crystalline Cu-doped ZnO thin film gas sensor for CO by Gong, H., Hu, J.Q., Wang, J.H., Ong, C.H., Zhu, F.R.

“…A Cu-doped ZnO (CZO) film was prepared on a glass substrate by co-sputtering using ZnO and Cu targets. The CZO film possessed a columnar structure consisting…”
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Surface-plasmon-mediated emission from metal-capped ZnO thin films by Lai, C. W., An, J., Ong, H. C.

“…The effects of metal coating on the near-band-edge emission of ZnO thin films have been studied by photoluminescence and atomic force microscopy. Large…”
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The experimental study on the wind turbine’s guide-vanes and diffuser of an exhaust air energy recovery system integrated with the cooling tower by Chong, W.T., Hew, W.P., Yip, S.Y., Fazlizan, A., Poh, S.C., Tan, C.J., Ong, H.C.

“…[Display omitted] •On-site exhaust air energy recovery turbine generator mounted above cooling tower.•Energy from wasted wind resources is re-used for…”
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Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films by Wu, X. L., Siu, G. G., Fu, C. L., Ong, H. C.

“…Photoluminescence and cathodoluminescence (CL) spectra of stoichiometric and oxygen-deficient ZnO films grown on sapphire were examined. It was found that the…”
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HoCHC: A Refutationally Complete and Semantically Invariant System of Higher-order Logic Modulo Theories by Ong, C.-H. Luke, Wagner, Dominik

“…We present a simple resolution proof system for higher-order constrained Horn clauses (HoCHC)-a system of higher-order logic modulo theories-and prove its…”
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The evolution of defect emissions in oxygen-deficient and -surplus ZnO thin films: the implication of different growth modes by Ong, H.C., Du, G.T.

“…We have studied the evolution of defects as a function of depth in oxygen-deficient and -surplus ZnO thin films using cathodoluminescence, photoluminescence,…”
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Board Structure, Process and Performance: evidence from public-listed companies in Singapore by Wan, David, Ong, C. H.

“…Past literature in board research has centred on board structure and company performance. Over the years, empirical studies do not reveal a conclusive…”
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Optical constants of wurtzite ZnS thin films determined by spectroscopic ellipsometry by Ong, H. C., Chang, R. P. H.

“…The complex dielectric functions of wurtzite ZnS thin films grown on (0001) Al2O3 have been determined by using spectroscopic ellipsometry over the spectral…”
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State of the Art of Catalysts for Biodiesel Production by Rizwanul Fattah, I. M., Ong, H. C., Mahlia, T. M. I., Mofijur, M., Silitonga, A. S., Rahman, S. M. Ashrafur, Ahmad, Arslan

“…Biodiesel is one of the potential alternative energy sources that can be derived from renewable and low-grade origin through different processes. One of the…”
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Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films by Cao, H., Zhao, Y. G., Ong, H. C., Ho, S. T., Dai, J. Y., Wu, J. Y., Chang, R. P. H.

“…A semiconductor laser whose cavities are “self-formed” due to strong optical scattering in highly disordered gain media is demonstrated. The lasers are made of…”
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Comparison of palm oil, Jatropha curcas and Calophyllum inophyllum for biodiesel: A review by Ong, H.C., Mahlia, T.M.I., Masjuki, H.H., Norhasyima, R.S.

“…The world today is faced with serious global warming and environmental pollution. Besides, fossil fuel will become rare and faces serious shortage in the near…”
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Zinc/ZnO core–shell hexagonal nanodisk dendrites and their photoluminescence by Zhang, X.Y., Dai, J.Y., Lam, C.H., Wang, H.T., Webley, P.A., Li, Q., Ong, H.C.

“…We report the electrodeposition of novel zinc dendrites composed of self-assembled regular hexagonal zinc nanodisks shelled with ZnO layers. The Zn nanodisks…”
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