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Passive Thermal Performance Prediction and multi-Objective Optimization of naturally-Ventilated Underground Shelter in Malaysia
Research Output | Dar Al-hikmah Library | IIUM Only

The impact of global warming has urged a prudent spending of energy in the building sector nowadays. In general, a typical HVAC system consumes about 60%e70% of the total energy consumption of a building. Therefore, designing an energy-efficient HVAC system is essential to alleviate the worsening greenhouse effect. Recent research works have report

Are Secondary School Students Motivated to Learn Islamic Education?
Research Output | Dar Al-hikmah Library | IIUM Only

The main aim for Islamic Education is to produce a ‘good man’ in all his personality aspects. This study aims to determine the level of secondary school students’ motivation in learning Islamic Education subject, and to examine the factors influencing their motivation using the cross-sectional survey design. The study sample consisted of (170

Ground States and Phase Transition of the λ Model on the Cayley Tree
Research Output | Dar Al-hikmah Library | IIUM Only

We consider the λ model, a generalization of the Potts model, with spin values {1, 2, 3} on the order-two Cayley tree. We describe the model ground states and prove that translation-invariant Gibb measures exist, which means that a phase transition exists. We establish that two-periodic Gibbs measures exist.Theoretical and Mathematical Physics, 19

Application of bbox-Behnken Design with Response Surface to Optimize Ventilation System in Underground Shelter
Research Output | Dar Al-hikmah Library | IIUM Only

Ventilation shaft is one of the effective elements in natural venti- lation for ensuring acceptable Indoor Air Quality (IAQ) and thermal comfort. It has been found that the opening of ventilation shaft plays a significant role in the ventilation efficiency of an underground shelter. In this study, we aim to develop a predictive ventilation rate mod

An Empirical Estimation of Underground Thermal Performance for Malaysian Climate
Research Output | Dar Al-hikmah Library | IIUM Only

In this study, the soil temperature profile was computed based on the harmonic heat transfer equations at various depths. The meteorological data ranging from January, 1st 2016 to December, 31st 2016 measured by local weather stations were employed. The findings indicted that as the soil depth increases, the temperature changes are negligible and t

On Surjective Second Order non-Linear Markov Operators and Associated Nonlinear Integral Equations
Research Output | Dar Al-hikmah Library | IIUM Only

It was known that orthogonality preserving property and surjectivity of nonlinear Markov operators, acting on finite dimensional simpleces, are equivalent. It turns out that these notions are no longer equivalent when such kind of operators are considered over on infinite dimensional spaces. In the present paper, we find necessary and sufficient co

Application of Direct fluorescence-Based Live/dead Staining for Assessment of Antifungal Activity of Coconut Oil Against Candida Albicans
Research Output | Dar Al-hikmah Library | IIUM Only

Candida albicans is becoming a significant problem for oral candidiasis worldwide. In addition, the proliferation of antifungal-resistant C. albicans has become a major concern. This study was carried out to evaluate the effects of activated virgin coconut oil (AVCO) and the crude extract of virgin coconut oil (VCO) to search for a new antifungal a

Deriving Domain Specific Requirement Pattern for Collaborative Meeting and Appointment Scheduler Domain (Cmasd)
Research Output | Dar Al-hikmah Library | IIUM Only

Requirement engineering (RE) helps to effectively define users’ needs and produce quality set of requirements. Nonetheless, RE efforts consume a lot of resources due to many contributing and challenging factors. Requirement reuse using pattern can help to reduce the RE resources. This work investigates requirements reuse using pattern by applying

Predictors of School Safety Awareness Among Malaysian Primary School Teachers
Research Output | Dar Al-hikmah Library | IIUM Only

With rising incidents of school violence worldwide, educators and researchers are trying to understand and find ways to enhance the safety of children at school. The purpose of this study was to investigate the extent to which the demographic variables of gender, age, length of service, position, academic qualification, and school location predicte

Antioxidant and Antimicrobial Properties of Tinospora Crispa (Putarwali) Stems Methanolic Extract
Research Output | Dar Al-hikmah Library | IIUM Only

Apart from being the primary source of food to other living things, plants also have medicinal value to treat various kinds of diseases. In recent years, it has been proposed that the extract from plants may be used as natural antioxidants which can help to prevent the generation of carcinogens in human body. In addition, plants also have antimicro

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KCDIOM

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KCDIOM

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