Chemistry F332 Notes Ions in solids and solutions: Structure of an ionic lattice (Sodium Chloride): * Consists of sodium ions (Na+) surrounded by six chloride ions (Cl-) * Chloride ions also surrounded by six sodium ions. * Held together by attraction of oppositely charged ions. * Giant ionic lattice. * Electrostatic bonds hold lattices together. * Structure is simple cubic. * Some ionic crystals contain water. * Known as water of crystallisation. * These crystals
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1 A Survey of BGP Security Issues and Solutions Kevin Butler‚ Toni Farley‚ Patrick McDaniel‚ and Jennifer Rexford Abstract The Border Gateway Protocol (BGP) is the de facto interdomain routing protocol of the Internet. Although the performance of BGP has been historically acceptable‚ there are continuing concerns about its ability to meet the needs of the rapidly evolving Internet. A major limitation of BGP is its failure to adequately address security. Recent outages and security analyses clearly
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J.B. Hunt Transport Services‚ Inc. is a publicly held trucking and transportation company. J.B. Hunt view themselves as “one of the largest surface transportation‚ delivery‚ and logistic companies in North America” (10-k‚ 2). As a company as a whole‚ they are responsible for providing their customers with “safe and reliable transportation and delivery services” (10-k‚ 2). In order to complete this task on a daily basis‚ J.B. Hunt is broken up into four different segments‚ each segment having their
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examples‚ assess the degree the economic development of a country affects planning and management in urban areas (40) The planning and management of urban areas covers several different issues present in all areas such as waste‚ sustainability and transport. These issues come about as a result of urbanisation which originates from an increase in economic development. However certain issues will be more prevalent in certain areas of more or less economic development than others. When planning and managing
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The Indian Railway Catering and Tourism Corporation Limited (IRCTC) is a public sector company set up and fully owned by the Ministry of Railways. The IRCTC has been incorporated under the Companies Act 1956‚ has its Registered Office at 9th Floor‚ Bank of Baroda Building‚ Sansad Marg‚ New Delhi 110001. This company has been formed to function as an extended arm of the Indian Railways to upgrade‚ professionalize and manage the catering and hospitality services at stations‚ on trains and other locations
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Government control is most easily exercised in two ways. Firstly‚ by regulation of the actual transport operations. For example‚ the laws and regulation. Secondly‚ by financial direction‚ both operational (revenue and subsidies) and in terms of capital expenditure or investment. secondlyFor example‚ the budget for transport proposal. Regulation‚ is somehow an administrative legislation that constitutes or constrain rights and allocates responsibilities. It can be distinguished from primary legislation
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The role of government in fostering intermodal transport innovation: Freight transportation systems are very important all over the world and are considered to be very significant to the world for regional and local economies (Konings & H. Nijkamp‚ 2008). The author has explained that using 1994 gross national product numbers freight transportation made 6.3 per cent of total expenditure (Knoning & H. Nijkamp‚ 2008). Freight transportation represents a percentage of total expenditures 38.52 per
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Understanding Information Systems: A Business Problem-Solving Approach The Problem-Solving Approach A Model of the Problem-Solving Process The Role of Critical Thinking in Problem Solving The Connection Between Business Objectives‚ Problems‚ and Solutions 4. Information Systems and Your Career How Information Systems Will Affect Business Careers Information Systems and Your Career: Wrap-Up How This Book Prepares You for the Future 1.5 Hands-On MIS Key Terms The following alphabetical
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3. Effects of transport systems on economic growth 3.1. Positive effects of transport systems on economic growth These are the effects that transport systems have a positive effect economic growth of which can actually boost the country of South Africa in a financial manner. 3.1.1. Trade Transport systems allow the country to engage in global trade market in a way that South Africa is able to interact in the global economic society. The systems also allow the country to create trading relationships
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Describe the pathways AND mechanisms by which water passes from the soil to the xylem vessels in the root. (7 marks) As there is a higher water potential in the soil‚ and there is a lower water potential in the root hair cells‚ the water molecules move from the area of high potential to the area of low potential. From the soil into the roots. The process by which the molecules of water move into the root hair cells is ’osmosis’. This is a passive process‚ meaning that no energy (in the form of
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