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Use of Diesel Engine and Surface-Piercing Propeller to Achieve Fuel Savings for Inshore Fishing Boats

Journal of Marine Science and Application 2016年第2期15卷 214-221页

作者： ismail zainol Omar Yaakob Universiti Kuala Lumpur Malaysian Institute of Marine Engineering Technology 32200 Lumut Perak Malaysia Marine Technology Centre Universiti Teknologi Malaysia 81310 SkudaL Johor Malaysia Faculty of Mechanical Engineering Universiti Teknologi Malaysia 81310 Skudai Johor Malaysia

Fishing is a major local industry in Malaysia, particularly in rural areas. However, the rapidly increasing price of fuel is seriously affecting the industry＇s viability. At present, outboard petrol engines are the preferred choice for use in small-scale fishing boats because they deliver the advantages of high speed and low weight, they are easy to install, and they use minimal space. Petrol outboard engines are known to consume a greater amount of fuel than inboard diesel engines, but installing diesel engines with conventional submerged propellers in existing small-scale fishing boats is not economically viable because major hullform modifications and extra expenditure are required to achieve this. This study describes a proposal to enable reductions in fuel consumption by introducing the combined use of a diesel engine and Surface-Piercing Propeller （SPP）. An analysis of fuel consumption reduction is presented, together with an economic feasibility study. Resulting data reveal that the use of the proposed modifications would save 23.31 liters of fuel per trip （40.75%） compared to outboard motors, equaling annual savings of RM 3962 per year.

关键词： inshore fishing fuel saving surface-piercing propeller propulsion diesel engine

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Preparation of Fish Scales Hydroxyapatite (FsHAp) for Potential Use as Fillers in Polymer

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Journal of Chemistry and Chemical Engineering 2019年第3期13卷 97-104页

作者： Alhussein Arkan Majhooll ismail zainol Che Nor Aiza Jaafar Mustafa Mudhafar Alsailawi H.A. Abbas Asaad Fouad WMezaal Department of Chemistry Faculty of Science and MathematicsSultan Idris Education UniversityTanjong Malim 35900Perak Darul RidzuanMalaysia Department of Mechanical and Manufacturing Engineering Faculty of EngineeringUniversiti Putra MalaysiaSerdang 43400SelangorMalaysia Department of Biology Universiti Pendidikan Sultan Idris(UPSI)Tg MalimPerakMalaysia

The aims of this study were to prepare natural hydroxyapatite from fish scales(FsHAp)for potential use as a filler in *** FsHAp was prepared from Tilapia fish scales using thermal *** FsHAp was milled for 48 h and dried by spray *** morphology was characterized using field emission scanning electron microscope(FESEM)which showed irregular shape of FsHAp particles with particle size around 7μ*** analysis of FsHAp was carried out using Fourier transform infrared spectroscopy(FTIR)and X-ray diffraction(XRD)to confirm chemical structure of FsHAp.

关键词： Hydroxyapatite polymer fillers fish scales

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A Brief Review on Biomedical Applications of Hydroxyapatite Use as Fillers in Polymer

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Journal of Chemistry and Chemical Engineering 2019年第3期13卷 112-119页

作者： Alhussein Arkan Majhool ismail zainol Che Nor Aiza Jaafar Alsailawi H.A. Mohammad Zorah Hassan Mustafa Mudhafar Ali Arkan Majhool Abbas Asaad Department of Chemistry Faculty of Science and MathematicsSultan Idris Education UniversityTanjong Malim 35900Perak Darul RidzuanMalaysia Department of Mechanical and Manufacturing Engineering Faculty of EngineeringUniversiti Putra MalaysiaSerdang 43400SelangorMalaysia Department of Biology Faculty of Science and MathematicsSultan Idris Education UniversityTanjong Malim 35900Perak Darul RidzuanMalaysia

Preparation of hydroxyapatite(HA)through natural sources,such as fish scales or synthetic HA produced from the chemical reaction has been widely used as biomedical materials because HA is bioactive,non-toxic and osteoconductive with a crystallographic structure almost similar to that of the bone *** addition,HAwith particle size<10 microns is classified as common inorganic filler used to improve the mechanical properties and biocompatibility of polymer *** purpose of this review is to collect information related to HA,and to provide readers with information about synthesis methods,advantages of hydroxyapatite as biomaterial,biomedical applications of polymer/HA composites.

关键词： Biomedical hydroxyapatite polymer fillers

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