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Volume 12 Number 5 Year 2011

25 articles in this issue 

Abdul-Fattah Mohamed Ali

The normalized settling time (ts /t) values of oscillatory  2nd-order systems, when subjected to a step-change forcing function  (SCFF), depend on the sensitivity of the measuring instrument employed  to indicate the response (± x%). An att... see more

 

Mir Amin Hosseini, Hamid-Reza Mohammadi Daniali

Parallel manipulators consist of fixed and moving platforms connected to each other with some actuated links. They have some significant advantages over their serial counterparts. While, they suffer from relatively small workspaces, complex kinematics rel... see more

 

Siavosh Ahmadi

Estimation of strain (deformation) and strain energy at the time of an explosion has been undertaken in the present investigation. A basic concept of explosive pressure which is required for the estimation of strain and strain energy has been drawn from t... see more

 

Chularat Srikul Dussadee Sukawat

The atmosphere is a chaotic dynamical system, small errors in the initial condition of an atmospheric model can lead to growing errors in the forecast. In order to reduce uncertainty in the forecast which occur from using only one initial condition from m... see more

 

Suriza Ahmad Zabidi, Md. Rafiqul Islam, Wajdi Al-Khateeb, Ahmed Wathik Naji

Free Space Optics (FSO) shows a great alternative as the solution for last mile problem where fiber optics is unavailable due to deployment time and cost constraint.  However, the feasibility of using FSO system as communication link very much depend... see more

 

Hassan Dao, Md. Rafiqul Islam, Khalid Al-Khateeb

Rain fade slope is one of fade dynamics behaviour used by system engineers to design fade mitigation techniques (FMT) for space-earth microwave links. Recent measurements found that fade slope prediction model proposed by ITU-R is unable to predict fade s... see more

 

Norhanis Aida M. Nor, Md. Rafiqul Islam, Wajdi Al-Khateeb

Free Space Optics (FSO) becomes a great attention because of the chances in transmitting data up to 2.5Gbps. There are a lot of advantages offered by FSO such as easily deployment with saving time and cost and no electromagnetic interference. In spite of ... see more

 

Akbar Kaderi, Ahmad Zaki Mohd Zainal, Mohd Hanafi Ani, Raihan Othman

Void formation in oxide scale during high temperature oxidation is a common phenomenon. Over a long period of time voids will affect the mechanical property of scales by influencing the cracking and spalling. Voids formed in dry environment are different ... see more

 

Hanisah Manshor, Raihan Othman, Anis Nurashikin Nordin, Mohd. Hanafi Ani, Hens Saputra

Zinc/MCM-41/air cell, in its dry form without the electrolyte,demonstrates humidity sensing property. A good linear correlation between the cell's open circuit voltage (OCV) and the relative humidity content is observed. The systempossesses the potential ... see more

 

Abdulfattah Aboaba, Shihab A. Hameed, Othman O Khalifa, Aisha H. Abdalla

Just as the method for determining the properties of shapes like  triangles, parallelogram, cuboids, and geometric figures like circle, and spheres have standard formulae, the determination of a function F(x) in many dimensions have formulae or stand... see more

 

Aina Mardhiyah M. Ghazali, Audun Nystad Bugge, Sebastien Sauge, Vadim Makarov

We report an automated characterization of a single-photon detector based on commercial silicon avalanche photodiode (PerkinElmer C30902SH). The photodiode is characterized by I-V curves at different illumination levels (darkness, 10 pW and 10 µW), dark c... see more

 

Zainab Mohamad Ashari, Anis Nurashikin Nordin

Modern communication and computer systems require rapid (Gbps), efficient  and large bandwidth data transfers. Agressive scaling of digital integrated systems  allow buses and communication controller circuits to be integrated with the microproc... see more

 

A. L. Nor Hairin, Raihan Othman, Mohd Hanafi Ani, Hens Saputra

High discharge rate zinc electrode is prepared from electrodeposition process. The electrolytic bath consists of zinc chloride as the metal source and ammonium chloride as the supporting electrolyte. The concentration of the supporting electrolyte is vari... see more

 

Othman O. Khalifa, Jalel Chebil, Aisha-Hassan Abdalla, Shihab Hameed

Monitoring and based tracking systems use a variety of technologies to record and monitor the activities of humans.  This can increase the risks to the privacy and security of individuals. The amount of information gathered about individuals is growi... see more

 

Nahrul Khair Alang Md Rashid

ABSTRAK: Tenaga adalah nadi pembangunan, tetapi jumlahnya terbatas. Ia tidak boleh dicipta atau dimusnahkan; tetapi ia boleh ditukar dari satu bentuk ke bentuk lain. Pertukaran bentuk ini mengubah keadaan sumber tenaga dan perubahan tersebut tidak boleh d... see more

 

Shihab A. Hameed

In this information and knowledge era; ICT development and industry are growing very fast and associated with huge procurement force. Today, the global society is facing serious challenges in improving environmental performance, particularly with climate ... see more

 

Muhammad Amanullah

During the past two centuries or so a number of buildings and bridges had been structurally failed and collapsed all over the world. Some of these incidents caused a sizeable number of human casualties. For instance, collapse of Tay Bridge in 1879 killed... see more

 

Nassereldeen Ahmed kabbashi

The universities and education face great challenges, most of them indirectly or directly related to science. Academic honesty and integrity are fundamental values in a community of scholars. The student shares with the faculty the responsibility for main... see more

 

Suleyman Muyibi, Mohammed Jamie

This paper presents a proposal on how the Muslim Experts made up of Academics, Professionals and Entrepreneurs can be made optimally mobile to utilize their Allah endowed resources to serve the Ummah and mankind more efficiently and effectively as well as... see more

 

M azram

Since man is the vicegerent of God in this world. And in order to enable him to fulfill his responsibilities (of his vicegerency), God has endowed man with the potentials of creative & conceptual knowledge. It becomes incumbent upon him to mould knowledge... see more

 

M azram

The present doldrums position and state of decadence, internal differences, external aggression (geographical and ideological), lack of self-confidence and dependence, illiteracy, political instability, economic disaster, lack of knowledge and wisdom, bac... see more

 

Abdi Omar Shuriye

In Islamic worldview human cadaver is considered holy and sacred as of the living person. The human dignity bestowed on all mankind applies and it is extended to the corpse.  For this reason, in the Muslim world at least, organ transplant has been co... see more

 

Abdi Omar Shuriye

This paper is an analysis on euthanasia from ethical and religious perspectives. Historically, the classical Greek thinkers including Aristotle had categorically accepted euthanasia with the main reason of minimizing pain. However, as science develops eth... see more

 

Abdi O. Shuriye

Engineering ethics aims to enhance engineer’s ability to confront moral issues raised by engineering activities. It covers engineering as social experimentation, the engineer’s responsibility for safety, and the rights of engineers. What constitutes engin... see more

 

Yusof Ismail, Suhaimi Mhd Sarif

ABSTRAK: Internet menjadi alat yang popular di kalangan staf yang berorientasikan kerjaya. Di kalangan profesional, para jurutera menggunakan Internet untuk mencari maklumat dalam kerja-kerja mereka. Kajian ini dijalankan untuk menentukan ketersediaan per... see more