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In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: Keywords: Power quality Nominal frequency and amplitude measurements Voltage flicker(More)
In this research, we present the optimization problem of packing identical spheres (PSS) of unit radii into the smallest sphere. It models PSS as a non-linear program (NLP) and approximately solves it using a hybrid heuristic which couples a variable neighborhood search (VNS) with a local search (LS). VNS investigates the neighborhood of a feasible local(More)
Firstly it is needed to realize Wireless Sensors Networks (WSN); we can define it as the most important technologies in the new century. during the last decades there was many achievements especially in the field of micro sensor technology and the low power electronics have made WSNs and the reality of applications, WSNs enabled a great amount of the(More)
A Abstract In real world applications such as the transporting of goods products, packing is a major issue. Goods products need to be packed such that the smallest space is wasted to achieve the maximum transportation efficiency. Packing becomes more challenging and complex when the product is circular/spherical. This thesis focuses on the best way to pack(More)
Kuwait is a democratic country that has used paper ballots for its parliament elections for many years. Although many people are content with the paper ballot, a survey shows that it has drawbacks, which have made some people lose confidence in the system and would prefer a replacement electronic system. However, the survey also shows that voters are(More)
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