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Implementation of Iso Quality Management System in Construction Companies of Malaysia
Research Output | Dar Al-hikmah Library | IIUM Only

ISO 9001 Quality Management System is one of the ISO 9000 set of standards that provides a series of guidelines on how to establish a quality system to manage the processes that affect its product or services. There are many benefits offered by ISO but it does not mean if a company managed to secure the certification, they will be able to experienc

Coalition Formation for Throughput Enhancement via one-Sided Matching Theory
Research Output | Dar Al-hikmah Library | IIUM Only

Recently there have been numerous studies exploring the benefits of the coalition formation in a cognitive radio network and it has been shown that coalition formation tends to improve the performance of cognitive radio networks. In this paper, we use the concepts from matching theory to form coalitions of varying size among cognitive radio users f

Development of Enzymatic Pretreatment of Palm Oil Mill Effluent for Monomers Towards Biogas Production
Research Output | Dar Al-hikmah Library | IIUM Only

In anaerobic digestion for enhancement of biogas production, various types of pre-treatment method have been used with some limitations in terms of sustainable environmental management. Although acid and alkali pretreatment have significant effect on the degradation of biomass, these methods have some negative impacts on environment due to their ha

Method and Apparatus for Remotely Changing Flow Profile in Conduit and Drilling Bit
Research Output | Dar Al-hikmah Library | IIUM Only

An apparatus and method for remotely adjusting the hydraulic horse power per square inch (HSI) of a drill bit. The apparatus and method may allow the nozzle geometry to be varied remotely without the need to pull the drill string outside the hole. This nozzle may include a body configured to be secured within the rotary drill bit, and a fluid passa

Overview of Catalysts in Biodiesel Production
Research Output | Dar Al-hikmah Library | IIUM Only

Transesterification is one of the methods for biodiesel production in which oil or fat is reacted with alcohol, such as methanol or ethanol, in the presence of a catalyst to form alkyl ester and glycerol. The cost of biodiesel production is mainly affected by the system used and cost of feedstock. Currently, waste oil or fat is used in the producti

The Reason Why the Companion Ibn Abbas Changed His Opinion on Riba al-Fadl
Research Output | Dar Al-hikmah Library | IIUM Only

This paper aims to explain an important element that should be avoided in business dealings for them to be permissible. The interest to conduct this research was sparked by a fatwah given by some contemporary scholars. The fatwah says that Riba al-Fadhl does not exist in currency exchange, which inspired the selection of this topic. The objective o

Coalition Formation for Cooperative Spectrum Sharing in Cognitive Radio Wireless Networks Using Gale Shapley Algorithm
Research Output | Dar Al-hikmah Library | IIUM Only

Abstract— In this paper we consider the problem of increasing the throughput of cognitive radio in a cognitive radio network by forming coalitions among cognitive radio users. Recently there have been numerous studies exploring the benefits of the cooperation in a cognitive radio network. The cooperation tends to increase the spectrum sensing per

Orthodontics and You: Patient Information Booklet
Research Output | Dar Al-hikmah Library | IIUM Only

Orthodontic treatment is becoming increasingly popular. Having straight teeth, and a nice smile, is seen as one of the key to a better quality of life. We found that patients seeking orthodontic treatment normally do not have a thorough understanding of the process. They only picture the result at the end of treatment, but are unaware of the hard w

Quality of Life and Functional Outcomes Following Supracondylar Humeral Fractures in a Paediatric Population
Research Output | Dar Al-hikmah Library | IIUM Only

The course of recovery in children post injury remains unclear despite recent focus on quality of life (QOL) and func<onal outcomes following trauma. There is a need for accurate assessment of the impact and course of such injuries on a child’s func<onal status and perceived well-being. Determining when and whether or not func<onal ou

Microencapsulation of Fish Oil Using Hydroxypropyl Methylcellulose as a Carrier Material by Spray Drying
Research Output | Dar Al-hikmah Library | IIUM Only

Spray drying is an important method in the food industry for the production of encapsulated oil to improve the handling and flow properties of the powder. In this study, the effect of mixture of polymers on the encapsulation of fish oil by spray drying was investigated. Fish oil powder were produced using different ratios of mixtures of hydroxyprop

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