The Space Shuttle Columbia was the second space shuttle disaster and the first shuttle lost on land happened on February 1‚ 2003. In this mission‚ six American astronauts and Israel’s first spaceman died when the space shuttle Columbia disintegrated 200‚000ft above Texas. They are David Brown‚ Rick Husband‚ Laurel Clark‚ Kalpana Chawla‚ Michael Anderson‚ William McCool and Ilan Ramon. Rick husband is the Columbia’s commander was a US air force colonel recruited to the space program in 1994. He
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HEAVY ELECTRICAL EQUIPMENT BACKGROUND & HISTORICAL TRENDS Electricity in India Unlike other technological developments in the West‚ which were introduced in India after a time lag‚ electricity was introduced in India in the form of galvanic electricity (both electro chemical and electro magnetic) through telegraphy. The first experimental line was set up in Kolkata in 1839 at the Botanical Gardens along the river Hooghly. Electricity in the form of lighting arrived 35 years later with
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Chemistry 161 Sample Quiz Chapters 1&2 KEY Harold Note: You have already received a significant figures/scientific notation sample quiz. The first ten problems (20 points) will be of exactly the same type. The numbers will be changed to offend the guilty (those who did not use the sample test as a study guide). 1. The term that refers to the reproducibility of a laboratory measurement is a. precision. b. repeatability. c. accuracy. d. exactness. e. the number of S.F. 2. The distance
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An Assignment of Business Ethics & Corporate Governance CASE STUDIES Module I BHOPAL GAS TRAGEDY December 3‚ 2009‚ marked the 25th anniversary of the world’s worst ever industrial disaster - the gas leak that occurred at Union Carbide India Ltd’s (UCIL) pesticide plant in Bhopal (Madhya Pradesh‚ India). The tragedy that instantly killed more than 3‚000 people and left thousands injured and affected for life‚ occurred when water entered Methyl Isocyanate (MIC) storage tank No. 610
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Organization: Organization is a social unit of people that is structured and managed together to meet a need or to pursue collective goal. All organizations have a management structure that determines relationships between the different activities and the members‚ and subdivides and assigns roles and responsibilities‚ and authority to carry out different tasks. Organizations are open system‚ they affect and are affected by their environment. Purpose of different organization; * Profit making
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Isoamyl Acetate Synthesis through Fischer Reaction Lesaca‚ Anna*‚ Lopez‚ Maria Flor‚ Lu‚ Ricardo‚ Magdurulan‚ Tricia 2Biology6‚ Department of Biology‚ College of Science‚ UST‚ Manila annalesaca@yahoo.com Abstract Esters are a type of functional group that causes distinguishable flavors or odors of some fruits. It can be synthesized by Fischer reaction‚ which is an acid-catalyzed reaction of an alcohol and carboxylic acid. One of the esters known for its characteristic banana flavor is the isoamyl
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State of the art on Bio-cutting fluids in Machining Submitted by: Abstract The increasing attention to the environmental and health impacts of industrial activities by governmental regulations and by the growing awareness level in the society is forcing industrialists to reduce the use of mineral oil-based metalworking fluids as cutting fluid. Cutting fluids have been used extensively in metal cutting operations for the last 200 years. In the beginning‚ cutting fluids consisted of simple
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Relationship of Chromium (Cr) mobility in soil and pH value using Electrochemical Method Siti Khadijah C.O. 1‚ Sabariah A.2‚ 3Zuliziana S.‚ Jestin Jelani4‚ Nordila A.5 1‚3‚4‚5 Lecturer‚ Civil Engineering Department‚ Faculty of Engineering‚ Universiti Pertahanan Nasional Malaysia 2 Lecturer‚ Faculty of Civil Engineering Universiti Teknologi Mara‚ Selangor‚ Malaysia Email : sitikhadijah@upnm.edu.my Abstract: Heavy metal contamination may provide a better indication of the potential risk
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Air pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or cause damage to the natural environment or built environment‚ into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletiondue to air pollution has long been recognized as a threat to human health as well as to the Earth’s ecosystems. Indoor
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promising trends for the effective caries removal and patient acceptance. Keywords: Caries excavation‚ caries removal‚ Steel bur‚ Polymer bur‚ SmartPrepbur‚ Ceramic Bur‚ Cera bur INTRODUCTION Traditionally caries removal was accomplished using rotary carbide burs andhand instrumentsto excavate until it feels as hard as normal dentin. Thisprocedure is somewhat imprecise because it is practically impossible to provide aclinical description of the boundary between infected and non- infected dentin.Further
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