Computers & Industrial Engineering 66 (2013) 158–170 Contents lists available at SciVerse ScienceDirect Computers & Industrial Engineering journal homepage: www.elsevier.com/locate/caie Iterative approaches for solving a multi-objective 2-dimensional vector packing problem Nadia Dahmani a, François Clautiaux b,⇑, Saoussen Krichen a, El-Ghazali Talbi b a b Institut Supérieur de Gestion de Tunis, LARODEC, 41 Avenue de la Liberté, Cité Bouchoucha, 2000 Le Bardo, Tunisie Université de
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Parkinson’s Disease Carley Drye Bio 330-002 Dr. Blais Parkinson’s disease (PD) is a neurodegenerative disease that falls under the category of motor disorders. It is caused by the loss of dopamine-producing neurons, which allow for the ability to move with ease. The four signature symptoms of PD are a resting tremor, stiffness, slowness of movement, and postural instability. The disease is most common in people over the age of fifty and also affects more men than women
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caffeine consumption in laboratory mice. By tracing the scientific method, it is possible to formulate an understanding of what observations were made by the researchers prior to the study, what sort of a hypothesis may have been formulated and tested, what the control and experimental groups were, what the dependent and independent variables are, and the final conclusions made in the experiment. An understanding of the scientific method can also reveal shortcomings in the experiment such as biases or
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Nucleic Acid Hybridization Nucleic acid hybridization is a general method in determining the sequence of homologous DNA, it is also used to differentiate order of genes in a haploid set of chromosomes of a particular organism and the size of limitation fragments that contain such sequence. Meaning, it is possible to study the genetic differences between different organisms and individual here on Earth. A nucleic Acid Hybridization analysis uses five laboratory skills the Restriction fragment preparation:
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Scientific Method in a Primary Science Article Trace the Scientific Method in a Primary Science Article The scientific method is the foundation for everything that science has discovered and accomplished. The scientific method represents a meticulous and useful tool for asking questions and seeking answers. Although it is the responsibility of the researchers to adhere to the scientific method, it is also possible to evaluate scientific findings and trace how the scientific method is used in
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Kalydeco is a treatment for Cystic Fibrosis patients 12 years and older who have two copies of the most common mutations. Kalydeco is used for the patients with the mutation R117H in their CFTR gene. Kalydeco prices can vary from $23,880 to $25,369 every year. An estimated 2,500 children are born with Cystic Fibrosis. Over 10 million Americans have the CF gene. One of every twenty-five
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etc. It is secreted and produced mostly by osteoblasts and fibroblasts. A shortage of type 1 collagen or mutations in either the alpha 1 or 2 chains constituents causes disease. Missing or low presence of α-1 chain produces a reduced amount of type 1 collagen, the shortage of this protein causes the bone to be fragile which leads to Osteogenesis imperfecta type 1 disease. Also, the mutation in the alpha chains disrupts the normal combination of type 1 collagen fibrils and alters the assembly of
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Is Stem Cell Research Ethical? Reginald Lawrence Is it ethical for stem cells for the advancement of medical research? In the 1800s it was discovered certain cells could generate other cells. The 1900s brought upon more research in using stem cells. The ethical issue surrounding embryonic stem cells research arises because human embryos are destroyed in the process. I believe that the benefits outweigh the negatives and that a greater good can come out of using embryonic stem cells. The treatment
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Animal Testing Horrifying images come to mind when people discuss animal testing: mutations, glow-in-the-dark hair, and death. Since the debate began, those who oppose animal testing often propose alternative methods to replace animals. Activists suggest methods such as in vitro or computer programs. Regardless of these new advances, persisting facts endure proving animals to be useful in multiple scenarios, and animal testing to be ethical despite common belief. Animal testing has proved its
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Applied Mathematics and Computation 214 (2009) 108–132 Contents lists available at ScienceDirect Applied Mathematics and Computation journal homepage: www.elsevier.com/locate/amc A comparative study of Artificial Bee Colony algorithm Dervis Karaboga *, Bahriye Akay Erciyes University, The Department of Computer Engineering, Melikgazi, 38039 Kayseri, Turkey a r t i c l e i n f o a b s t r a c t Artificial Bee Colony (ABC) algorithm is one of the most recently introduced swarm-based
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