Theory: Edgar Dale’s Cone of Experience Theorist: Edgar Dale Biography: Edgar Dale was a theorist in the areas of reading and journalism and a leader in the humanistic/communications tradition of the field of instructional technology. He wrote three books dealing with "Audio-Visual Methods in Teaching." Dale believed that learning becomes more meaningful when abstract learning and concrete experience are related. (Seels‚1997‚ p.1) Description of Theory: Edgar Dale created the cone of experience
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SHORT NOTE Mixtures of Derivative Operators as Edge Detectors R . B. EBERLEIN AND J. S. W E S Z K A Computer Science Center‚ University of Maryland‚ College Park‚ Maryland 20742 Communicated by A. Roset!feld Received October 23‚ 1974 Derivative operators such as the gradient and Laplacian have been used for many years to detect edges in pictures. This note points out a possible advantage of using combinations of such operators for edge detection. Isotropic derivative operators such
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CHAPTER 1 INTRODUCTION TO CLEANTECH 1.1 What Is Clean Technology? Environmental technology or "green technology" is the application of the environmental sciences to conserve the natural environment and resources‚ and by curbing the negative impacts of human involvement. Sustainable development is the core of environmental technologies. When applying sustainable development as a solution for environmental issues‚ the solutions need to be socially equitable‚ economically viable‚ and environmentally
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formation of bubbles in the tip of the burette. The second portion of the expirement was the analysis of razor blade. The dissolved razor blade solution was titrated with KMnO4. The volume of KMnO4 was recorded. There are slightly differences in the volume of KMnO4 used in each trial. The volume of KMnO4 used and the mass of KMnO4 was used in determining the percentage of iron in the razor blade(see appendix). In trial 1‚ the percentage of iron computed was 81.38%; in trial 2‚ the percentage was
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Straight Edge‚ the lifestyle‚ the commitment‚ the honor‚ these are the basic followings of the new movement called Straight Edge. The beliefs of Straight Edge seem impossible for the youth today with all the struggles of peer pressure. It seems “typical” for a teenager in high school to experiment with drinking and smoking. With Straight Edge‚ it is a commitment that you will not drink or smoke of any kind. Straight Edge is a subculture of hardcore punk. (Sutherland 1) It was originated by
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Close to the Water’s Edge. Close to the Water’s Edge is a short story written by the Irish writer Claire Keegan. The main character in the story is a boy who just turned 19. He is a student at the Harvard University or as he call it himself Cambridge‚ which is the town where Harvard University is situated. Through out the story he is staying at his mother’s penthouse apartment near the ocean. His birthday party is marked by a dinner at the fancy restaurant Leonardo’s. But the atmosphere at the
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and‚ more fatally‚ of disease germs‚ we shall be greatly impressed with the necessity of being clean. Cleanliness is the absence of dirt‚ including dust‚ stains‚ bad smells and garbage. Cleanliness includes criteria such as health and beauty. The term Cleanliness derives from the meaning absence of odor‚ avoidance of and to avoid the spreading of dirt and contaminants to oneself and others. In the case of glass objects such as windows or windshields‚ the purpose can also be transparency. Washing
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Understanding Clean and Green Lycoming County Assessment Office 48 West Third Street Williamsport PA 17701 (570) 327-2301 DISCLAIMER: The material contained in this booklet is intended to provide only general information concerning the Pennsylvanian Farmland and Forest Land Assessment Act of 1974‚ as amended by Act 156 of 1998 and as amended by Act 235 of 2004. This handout is NOT intended‚ nor should it be interpreted by the reader‚ to offer any legal advice or express any legal opinion
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In the past decade global warming‚ and the potential dangers that goes with it has been a topic‚ which needs to be fixed. Clean coal technologies (CCN) are methods that will lead to mankind taking a huge step in the right direction. First‚ the basic definition of CCT is the process of cleaning coal‚ so when it is used it will not damage the atmosphere. Second‚ after the coal is purified‚ there are two ways of containing the poisons. Finally‚ when CCT is perfected‚ how can leading companies implement
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oftn. 8)Grow plants in d house. 9) Save trees.Make it a habit to print on bth sides of old documents 4 faxes. Choosing environmentally friendly cleaning products — and removing toxic ones — goes a long way towards ensuring a home with fresh‚ clean air. Clean air renews and rejuvenates; it doesn’t pollute our lives or the environment. Living in a less toxic home‚ removed from neurotoxic chemicals‚ improves sleep and concentration‚ makes babies less fussy‚ and gives a sense of well-being. Your household’s
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