What is it? Dysprosium is a silver-white chemical element discovered in 1886 by a French scientist named Paul-Émile Lecoq de Boisbaudran. It wasn’t isolated until a different separation technique (ion-exchange) developed in the 1950s by a Canadian scientist Frank Spedding and his team. This rare element it is never naturally found. It is only made chemically. It can be found in minerals such as xenotime. Dysprosium is a member to the lanthanide family on the periodic table just like all the other
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(1) Most appropriate market segmentation for Harbour hotel to segment their customers would be a hybrid from geographic‚ demographic‚ psychographic and usage situation factors. Feature of geographic segmentation is the market which is divided by location. People who live in the same area usually have similar needs and preferences. As for Harbour hotel‚ it is a neat 3-stars hotel located in Mongkok which is the heart of the shopping area in Hong Kong. People in China and several South East Asia
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Transportation in Peru Are you considering relocating to Peru but don’t quite know what to expect? In this article‚ InterNations provides you with useful information on this spectacular Andean country. Moving to Peru will be a far simpler task with our tips on visa requirements‚ accommodation‚ healthcare‚ and transportation! Getting to and around Peru should not be a problem: Peru has over 190 airports‚ nearly 2‚000 kilometers of railways‚ and over 137‚000 kilometers of roads‚ as well as 9‚000
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Reactions & Nuclear Chemistry Assessment Task Assignment Question 1 Produce a summary reactions sheet for all the chemical reactions encountered in production of materials. Your summary should contain the following components a) Name of reaction b) General word equation c) Balance formulae equation d) An example of the reaction Question 2 What types of instruments and processes are used to detect radiation? The properties of nuclear radiation are used to detect their
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HONG KONG : THE FACTS The Port Hong Kong is fortunate in having a sheltered natural harbour‚ which provides good access and a safe haven for vessels calling at the port from around the world. The port has always been a key factor in the development and prosperity of Hong Kong‚ which is strategically located on the Far East trade routes and is in the geographical centre of the now fast-developing Asia-Pacific Basin. In terms of tonnage of shipping using its facilities‚ cargo handled
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LOGOS INTERNATIONAL SCHOOL INNOVATORS CAUGHT IN ACTION: HOW DOES CHEMICAL ENGINEERING AFFECT THE SUDDENLY CHANGING WORLD? Ponhneath Nguon College and Careers Preparation Class Mr. Barrett “But innovation comes from people meeting up in the hallways or calling each other at 10:30 at night with a new idea‚ or because they realized something that shoots holes in how we’ve been thinking about a problem.” -Steve Jobs. It is quite unbelievable how the world has changed so rapidly over the last
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Mixing of two solutions. 55 Class IX EXPERIMENT No: 9 AIM: To study the external features of root‚ stem‚ leaf and flower of monocot and dicot plants. Material Required : Plants of Hibiscus/Peturnia/rose/pea and grass/maize/bamboo/lily or‚ any other ornamental herb with flower and fruits‚ simple or dissecting microscope‚ hand lens‚ slide‚ coverslip and razor /blade. Procedure : 1. 2. 3. Observe the differences in the external features of stem‚ leaf‚ root‚ flowers and seeds. To study the leaf‚ see
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Factors Affecting Rates of Chemical Reactions Prepared By: Kelly Gunter For: Ms. Brohman Course: SCH-4U Introduction The main purpose of this lab was to investigate how temperature‚ concentration‚ the addition of catalysts‚ and the substitution of a more reactive reactant‚ can affect the reaction. The collision theory explains that in order for a reaction to occur‚ reacting particles must collide with one another. An effective collision makes reactants result in a reaction and
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GLENDALE CHEMICAL PRODUCTS PTY LTD v ACCC (1999) ATPR 41-672 Plaintiff: Michael Barnes Defendant/Appellant: Glendale Chemical Products Pty Ltd –Supplier of Caustic Soda which is called “DRANO” Respondent: Australian Competition & Consumer Commission Prepared By: GLENDA B. GAERLAN Presented To: PETER MCGUINNES BUSINESS LAW 1st Semester 2010 Background Facts: Michael Barnes bought a 500g of caustic soda called “DRANO” at a local store
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There are often arguments over urban renewal and heritage preservation. Suggest at least two ways in which a compromise can be reached with appropriate evidence to support your view. The main characteristic of Hong Kong’s culture lies in the successful blend of East and West. Our heritage items are a testimony to our unique past and are irreplaceable. Heritage preservation provides a legacy for future generations‚ shows how those before lived‚ and enables us to retain knowledge and memories
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