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27 articles for “N. Mohd Zain”
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Research ArticleOpen accessIn the author namesParameter Optimization of Gradient Tree Boosting Using Dragonfly Algorithm in Crime Forecasting and AnalysisAlif Ridzuan Khairuddin, Nor Azizah Ali, Razana Alwee et al.Crime forecasting and analysis are very important in predicting future crime patterns and beneficial to the authorities in planning effective crime prevention measures. One of the challenges found in crime analysis is the crime data itself as its form, representation and distribution are varied and unpredictable. To handle such data, most researchers have been focusing on applying various Artificial Intelligence … …Journal of Computer Science, Vol. 15, Issue 8 · 7 Aug 2019 · 7,925 accessesView PDFCite
Research ArticleOpen accessIn the author namesEnvironmental Concern in Managing Halal Food Supply ChainMohd Nizam Ab Rahman, Malihe Manzouri, Che Romawati Che Mohd ZainNowadays environmental issues persuade companies to pursue conditions whereby the needs of the present are met without compromising the resources of future generations. So, implementing green rules and regulations gain more and more attentions. In spite of benefits of implementing green practices, many companies are not understood why they should invest on it. Hence, the aim of this study is … …American Journal of Environmental Sciences, Vol. 9, Issue 3 · 24 Jun 2013 · 7,545 accessesView PDFCite
Research ArticleOpen accessIn the author namesMathematics Anxiety and Achievement Among Secondary School StudentsEffandi Zakaria, Normalizam Mohd Zain, Nur Amalina Ahmad, Ayu ErlinaResearch has shown that mathematics achievement in students is influenced by psychological factors such as mathematics anxiety. Weaknesses among students in learning mathematics in particular will affect the efforts of various sectors in making Malaysia a fully developed nation by 2020. The purpose of this study was to determine mathematics anxiety and mathematics achievement among secondary school students in Selangor, … …American Journal of Applied Sciences, Vol. 9, Issue 11 · 1 Sep 2012 · 13,315 accessesView PDFCite
Research ArticleOpen accessIn the author namesHandling Fragmented Database Replication through Binary Vote Assignment Grid QuorumAinul Azila Che Fauzi, A. Noraziah, Noriyani Mohd Zain et al.Problem statement: Organizations critically needed to supply recent data to users who may be geographically remote, while at the same time handle a volume request of distributed data around multiple sites. The storage, availability and consistency are important issues to be addressed in order to allow distributed users efficiently and safely access data from many different sites. Approach: Data replication … …Journal of Computer Science, Vol. 7, Issue 9 · 23 Jul 2011 · 7,206 accessesView PDFCite
Research ArticleOpen accessIn the author namesAnalysis of Diffusion Coefficient using Reversed-Flow Gas Chromatography-A ReviewKhalisanni Khalid, Rashid Atta Khan, Sharifuddin Mohd. ZainProblem statement: Since the earliest publication on the technique, Reversed-Flow Gas Chromatography (RF-GC) has been used to determine physicochemical properties by measuring the value of one in the presence of another. The method is precise, accurate and simple compared to other conventional techniques. Approach: The experimental setup consists of a small modification of a commercial gas chromatograph, so that it … …American Journal of Applied Sciences, Vol. 8, Issue 5 · 17 May 2011 · 7,227 accessesView PDFCite
Research ArticleOpen accessIn the author namesEquilibrium Kinetics and Isotherm Studies of Cu (II) Adsorption from Waste Water onto Alkali Activated Oil Palm AshZaira Zaman Chowdhury, Sharifuddin Mohd. Zain, Rashid Atta Khan, Abdulbari Abdulrahman AhmedProblem statement: Heavy metal accumulation in waste water could affect aquatic life, human health and overall ecosystem adversely. Therefore, in recent years much emphasis has been given for the use of industrial waste material as low cost adsorbents for removal of metallic contaminants from waste water. Approach: Present study deals with the adsorption equilibrium and kinetics of Cu (II) cation … …American Journal of Applied Sciences, Vol. 8, Issue 3 · 25 Mar 2011 · 7,939 accessesView PDFCite
Research ArticleOpen accessIn the author namesImplementation of 5S Practices in the Manufacturing Companies: A Case StudyMohd Nizam Ab Rahman, Nor Kamaliana Khamis, Rosmaizura Mohd Zain et al.Problem statement: 5S practice is one of the techniques to improve quality environment, health and safety at the workplace. Evaluation of 5S practice can be done through implementation of 5S audit at each division in the company. Approach: Through 5S audit, it enables each company to identify the potential level of quality improvement and at the same time can analyze … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 21,448 accessesView PDFCite
Research ArticleOpen accessIn the author namesA New Smooth Support Vector Machine and Its Applications in Diabetes Disease DiagnosisSanti Wulan Purnami, Abdullah Embong, Jasni Mohd Zain, S. P. RahayuProblem statement: Research on Smooth Support Vector Machine (SSVM) is an active field in data mining. Many researchers developed the method to improve accuracy of the result. This study proposed a new SSVM for classification problems. It is called Multiple Knot Spline SSVM (MKS-SSVM). To evaluate the effectiveness of our method, we carried out an experiment on Pima Indian diabetes … …Journal of Computer Science, Vol. 5, Issue 12 · 31 Dec 2009 · 7,592 accessesView PDFCite
Research ArticleOpen accessIn the author namesCharacterization of Chitosan-poly (Ethylene Oxide) Blends as Haemodialysis MembraneN. F. Mohd Nasir, N. Mohd Zain, M. G. Raha, N. A. KadriBlend membranes of chitosan and poly (ethylene oxide) with different molecular weights of 100,000 and 600,000 were prepared by the solution cast technique. The Chitosan-PEO blend membranes were produced to study their water adsorptions capacity and characteristics of the haemodialysis membrane application. An increase in the water adsorption capacity of chitosan-PEO blend membranes compared to the pure chitosan was due … …American Journal of Applied Sciences, Vol. 2, Issue 12 · 31 Dec 2005 · 8,430 accessesView PDFCite
Research ArticleOpen accessIn the author namesGreenhouse Gas Emissions: Quantifying Methane Emissions from LivestockRafiu O. Yusuf, Zainura Z. Noor, Ahmad H. Abba et al.Problem statement: The rearing of animals for domestic consumption and export invariably lead to the production of methane as a product of digestion. This study investigated the emission of methane from Malaysian livestock between 1980 and 2008. Approach: Seven categories of animals identified were camel, buffalo, sheep, goats, horse, pigs and poultry. The estimation of methane was based on the … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 1 · 31 Jan 2012 · 9,543 accessesView PDFCite