Mining Web Transaction Patterns in Electronic Commerce Environment With the popularity of the Internet and the development of e-commerce‚ the recommendation system has gradually become an important component of ecommerce IT technology‚ and has drawn the more and more attention from esearchers and business people. However‚ most of the existing e-commerce systems use only part of the information available to make recommendations. With the development of the research‚ the new e-commerce recommendation
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Sustainable Chemistry Terry Collins* Chemistry has an important role to play in achieving a sustainable civilization on Earth. The present economy remains utterly dependent on a massive inward flow of natural resources that includes vast amounts of nonrenewables. This is followed by a reverse flow of economically spent matter back to the ecosphere. Chemical sustainability problems are determined largely by these economy-ecosphere materials flows (see the figure‚ below)‚ which current chemistry education
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"How Cell Phones Have Changed Our Lives" What invention do you use every day? What invention could you not leave your house without? For me‚ it would be a cell phone. Forty years ago if someone would have said that everyone would have a cell phone‚ people would think they were crazy. According to a U.N. Telecom Agency report‚ the world has about six billion cell phones. That’s roughly one for eighty-six of one hundred people. There are several reasons why I believe that the invention that I think
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CHEMISTRY OF LAETRILE ( AMYGDALIN / VITAMIN B17) AUTHORS: Audrey De Jesus Rowie Joy Pilapil Shariel Eunice Juanillas Polytechnic University of the Philippines College of Science Department of Nutrition and Dietetics Sta. Mesa‚ Manila ABSTRACT Vitamin B-17‚ commonly known as "Amygdalin”‚ is a plant substance found naturally in raw nuts and the pips of many fruits‚ particularly apricot pips‚ or kernels. It is also present in plants such as lima beans‚ clover and sorghum. Laetrile‚ on the other
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century BC Aristotle‚ practical as ever in his determination to get things worked out in detail‚ proposes a new theory to explain how the four elements of Empedocles and the atoms of Democritus produce the wide range of substances apprehended by our senses. He declares the existence of only four elements: fire‚ air‚ water and earth. All matter is made up of these four elements and matter had four properties: hot‚ cold‚ dry and wet. Greek science in Alexandria: from the 3rd century BC
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Because this island was a mile in to the ocean it would take a while for police to arrive. If someone had a weapon on the island at camp so many more lives could have been saved. After hours of sheer terror police found the killed and brought him in to custody. Guns should not be something to be looked down upon‚ in the right hands they save lives. According to Evan DeFilippis and Devin Hughes 63% of people believe that guns do make this world a safer place. Overall guns are getting a bad reputation
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05 November 2013 Literature Review: Nuclear Chemistry and its Effects on the World In today’s society‚ nuclear chemistry is becoming more and more common and is being used in a variety of ways including for weapons and the medical field but the significance of this type of chemistry is its impact and what it has contributed to the world. Nuclear chemistry is the branch of chemistry concerned with nuclear reactions‚ radioactive substances and is the study of the chemical and physical properties
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and sense of time. With these guiding principles‚ decisions made by individuals directly affect the wellness of society. Having a sense of community was so valued‚ societies pleasured referring to themselves as “we” or “our”. Many Ugandans are hard working to improve their lives. These common values direct communities to develop good people on the right path of life. Among Uganda‚ three major broad ethnic tribes include Bantu‚ Nilotic‚ and Central Sudanic people. The first category includes Buganda
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TECHNOLOGY IN DAILY LIFE All of us are aware of the fact that intensive research in various scientific fields developed over several centuries lead to technology development for several applications which is making our life simpler and easier on several fronts. Technology developed by our ancestors is helping us so much that we are taking them for granted. But without these developments life would have been very hard and difficult to visualize. Technology development
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POLYNOMIALS IN DAILY LIFE Polynomials are a combination of several terms that can be added‚ subtracted or multiplied but not divided. While polynomials are in sophisticated applications‚ they also have many uses in everyday life. Although many of us don’t realize it‚ people in all sorts of professions use polynomials every day. The most obvious of these are mathematicians‚ but they can also be used in fields ranging from construction to meteorology. Polynomials in Construction and Material
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