Thin Layer Chromatography Submitted in partial fulfillment of the requirements for: CHE 324 Organic Chemistry Laboratory Dr. Robert Duncan Fall Semester 2012 Caitlin Inman‚ Team Leader October 9‚ 2012 Tyler Byrd‚ Data Collection Shared Role‚ Technique Expert Introduction: “Chromatography is used to separate components of a mixture. For example‚ imagine a mixture of wood pieces‚ pebbles‚ and large rocks to be separated and the chromatography setup as a stream. Flowing water
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Pointing Devices are direct entry input devices. They allow users to control the pointer and the insertion point on the screen. Examples of pointing devices are mouse‚ trackball‚ touch pad‚ pointing stick‚ joystick‚ touch screen‚ light pen and graphics tablets. A mouse is a computer device‚ which has a ball sealed at the bottom. It is attached with a cable to the system unit. When rolled on the flat surface‚ the movement of the ball will generate electrical circuits‚ which are then sent to the
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new self-propagating worms in 2001‚ some of which have been used to deploy DoS attack technology. Windows end-users and Internet routing technology have both become more frequent targets of intruder activity. The control mechanisms for DDoS attack networks are changing to make greater use of Internet Relay Chat (IRC) technology. The impacts of DoS attacks are causing greater collateral damage‚ and widespread automated propagation itself has become a vehicle for causing denial of service. While DoS
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of the clay strips.Observe what is happened to the clay strips. What have you found out? 1.What happened to the layers of the clay after they were pushed at both ends? ANS. The layers of the clay risen. 2.What type of plate boundary is showed when both ends are pushed? ANS.Convergent boundary 3. What happened to the layers of the clay after they were pull at both ends? ANS.The layers of the clay move away from the cardboard. 4. What type of plate boundary is showed when both ends are pulled? ANS
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OUTPUT DEVICES Output devices are things we use to get information OUT of a computer. Here are some examples of output devices:- Monitor George Doyle/Stockbyte/Getty Images The most common computer output device is the monitor or computer screen. Monitors create a visual display from processed data that users can view. They come in a variety of screen sizes and visual resolutions. There are two types of computer monitors‚ CRT and flat panel. CRT monitors use phosphorescent dots to create the
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NETWORK TOPOLOGIES PRESENTED BY Alex Daniel Manjula Sanjana NandaKumar Sher Mohammed Babul Sriram Vamsi Vinodhini © 2013 Maveric Systems Limited WHAT IS A TOPOLOGY ? © 2013 Maveric Systems Limited WHAT IS A TOPOLOGY ? ▸ In computer networking‚ topology refers to the layout of connected devices. ▸ Network topologies describe the ways in which the elements of a network are mapped. They describe the physical and logical arrangement of the network nodes. ▸ Topology can also be defined as the
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An author uses literary devices to allow the reader to engage. The author uses descriptive writing to enhance the individual’s imagination. It also gives them ways to relate and a divergent way to think about writing. The three most important literary devices used in The Most Dangerous Game are similes‚ imagery‚ and foreshadowing. Richard Connell utilizes these devices to create a fun and inspiring story. Similes are exploited throughout Richard Connell’s twisted and page turning story. “ Then
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CHAPTER 1: THE THEORETICAL FRAMEWORK OF DISTRIBUTION SYSTEM AND DISTRIBUTION CHANNEL MANAGEMENT 1.1 Overview about distribution and distribution channel 1.2.1 Concept‚ roles and purpose of distribution 1.2.2.1 Distribution Distribution is the process of making a product or service available in the right quantities and locations when customers want them‚ using direct means‚ or using indirect means with intermediaries. (Willam D. Perreault) It’s a movement of goods and
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encompasses the network solution and security considerations is a major consideration for your company. Considering that the company will be expanding from one (1) floor to three (3) floors in the very near future you‚ as the CIO‚ are responsible for the design of the infrastructure and security protocols. You have been tasked with designing a network that is stable‚ redundant‚ and scalable. In addition‚ speed and reliability are important considerations. Assumptions should be drawn regarding network usage
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Routers are Computers A router is a computer‚ just like any other computer including a PC. The very first router‚ used for the Advanced Research Projects Agency Network (ARPANET)‚ was the Interface Message Processor (IMP). The IMP was a Honeywell 316 minicomputer; this computer brought the ARPANET to life on August 30‚ 1969. Note: The ARPANET was developed by Advanced Research Projects Agency (ARPA) of the United States Department of Defense. The ARPANET was the world’s first operational packet
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