Ink Chromatography Lab Background Information Paper chromatography is an analytical method that is used for separating and identifying mixtures of substances into their smaller parts. Paper chromatography works because the ink used contains several dyes (pigments) that when place on porous paper are dissolved in a solvent by capillary action. When the pigments (solutes) are dissolved in the solvent (water & alcohol mixture) they move through the paper at different rates depending on their
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Introduction to Poetry “In a poem the words should be as pleasing to the ear as the meaning is to the mind.” -- Marianne Moore The Human Brain: Left Brain: Creativity Emotions Right Brain: Logic Reality POETRY REQUIRES: Poetry requires creativity Poetry requires emotion Poetry requires an artistic quality Poetry requires logic *Rhyme-the repetition of sounds *Rhythm- the beat *Dactylic *Monosyllabic *Anapestic *Spondaic *Trochaic *Iambic *Accentual
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RECOMMENDATIION Based from the process identified above‚ it shown that the process has been improved form traditional way to system online‚ the customers no longer have to queue and wait for hours to use the services. It also showed that business-reengineering process happen in the company to improve quality and productivity that give the most benefits to the company. In our culture‚ many organizations miscalculate what it takes to reengineer a business successfully. Such reengineering
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EVOLUTION AND HISTORY OF COOKING: The value of history is that it helps us to understand the present and the future. In food service‚ knowledge of our professional heritage helps us to see why we do things as we do‚ how our cooking techniques have developed and refined and how we can continue to develop and innovate in the years ahead. THE EGYPTIANS: • First recorded instance of inn-keeping • Generally managed by mother and father operations • Most food was from their own gardens
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What is a printer? A printer is an is an output device that can make texts and graphics on paper with the help of ink. Furthermore a printer is an external device connected to another digital device‚ to print out anything shown on the screen of the digital device‚ which it must have been instructed to print out. Printers transfer images from the system to a surface using little pixels. The most popularly used printers are inkjet and laser printers and they are normally connected to a personal computer
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Effectiveness of a Paper Charcoal as an Alternative Fuel Source Objectives: This study aims to compare the effectiveness of a paper charcoal and a wood charcoal in producing fire. It specifically aims to determine: 1. Which can last longer between the paper charcoal and wood charcoal as fuel source. 2. Which is more effective to use as a fuel source. Hypothesis: There is no significant difference between the paper charcoal and the wood charcoal as an alternative
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as a contract manufacturer‚ and I collaborate with engineers in 3D printer development. These past educational experiences have prepared be to be a successful member of the ECU community. So how did I go from being an average high school freshman to being an experienced 3D printing tycoon? Two summers ago‚ I toured a 3D printing company in Sanford‚ NC and met engineers that graduated from ECU that are now develop new 3D printers. I instantly became fascinated by their work and knew I wanted to be
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you want to eat healthy‚ but lack the time? Do you hate the hassle of cleaning after cooking? Now we will introduce our innovative new product called 8-1 Versatile Cooking Pro. This new product is combines the functions of grilling‚ roasting‚ boiling‚ air frying‚ steaming‚ stewing‚ baking‚ and stir frying (it comes with 2 blades) into one cooking system. It is leading the front end of technology. The 8-1 cooking system replaces all of those common small appliances in our household‚ such as indoor
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Cooking and Baking: Is There a Difference? Many people would argue that cooking and baking are different. To some degree‚ they are correct. They may use some of the same utensils‚ but they don’t always use the same ingredients. Cooking and baking have their similarities‚ and differences. Cooking refers to the preparation of food in general. Just as there are different categories in the study of science such as geology‚ astronomy‚ and geography‚ there are different categories of cooking. These
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Thermochromism Thermochromism refers to the phenomenon of color changes by the agency of heat. Obviously‚ the color changes are made possible by the temperature-induced chemical or physical changes of materials incorporated into the inks. Sometimes‚ the color change occurring at a temperature is permanent‚ and at other times the original color can be regained on cooling. Accordingly‚ we have an irreversible or reversible thermochromic system. The required chemistry can be adopted based
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