electrical technology is aluminium. It is used quite a lot as it cheap‚ lightweight and in abundance compared with other electrical conductors. Aluminium is used in overhead power cables as it is has many properties which make it ideal for this purpose. It is very easy to work Aluminium can be easily fabricated into various forms such as foil‚ sheets‚ shapes‚ rods‚ tubes‚ and wires. It also displays excellent malleability and plasticity in bending‚ cutting‚ and drawing. Aluminium does not rust as when
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Chapter 11 CHEMICAL REACTIONS 153 CHAPTER 11 11. Chemical Reactions All living beings born in this beautiful world have their own life styles. Have you observed and analyzed your daily life from the view point of a chemist? Chemical reactions happen around us all the time and even in our body. Any change can be classified as physical change and chemical change. Physical changes can be easily reversed but‚ it is not easy to reverse a chemical change. What is the reason? In chemical
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Geotextiles and Geomembranes 27 (2009) 167–175 Contents lists available at ScienceDirect Geotextiles and Geomembranes journal homepage: www.elsevier.com/locate/geotexmem Improvement of soft soils using geogrid encased stone columns Joel Gniel 1‚ Abdelmalek Bouazza* Monash University‚ Department of Civil Engineering‚ Building 60‚ Melbourne‚ Victoria 3800‚ Australia a r t i c l e i n f o a b s t r a c t Article history: Received 16 May 2008 Received in revised form 4 November
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the long‚ spiral track. A thin‚ reflective aluminium layer is then coated on the top of the disc‚ covering the bumps. The tricky part of CD technology is reading all the tiny bumps correctly‚ in the right order and at the right speed. To do all of this‚ the CD player has to be exceptionally precise when it focuses the laser on the track of bumps. When you play a CD‚ the laser beam passes through the CD’s polycarbonate layer‚ reflects off the aluminium layer and hits an optoelectronic device that
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early atmosphere - earth roughly 4 billion yrs old - created by volcanoes erupting + releasing gases - contained mostly co2 + water vapour - earth cooled + water vapour condensed to form oceans - co2 dissolved into oceans + used to form marine organism shells which were compacted to form sedimentary rock - plants evolved to photosynthesise‚ takingin co2 + releasing oxygen - scientists don’t kno where all nitrogen came from bc they weren’t there to record evidence but most theories suggest
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measure the dimensions of samples‚ the felt pen‚ 4 samples of timber with grains parallel to the load and 2 samples of timber with grains perpendicular to the load‚ high-carbon steel‚ low-carbon steel and aluminium specimens. Results Tables | Low-carbon steel | High-carbon steel | Aluminium | Dimensions‚ mm | 23.2 | 26.6 | 23.0 | Cross-sectional area‚ mm2 | 19.7 | 20.0 | 20.0 | Load at elastic limit‚ kN | 14.5 | 12.5 | 5.13 | Maximum load‚ kN | 15.2 | 19.2 | 5.90 | Failure load‚ kN
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M-09425505734 Tel: 0771-2511065 Dear Sir‚ OFFER FOR ALUMINIUM ALLOY MILKCANS WITH LIDS This refers to your enquiry dated 08.04.2013 for aluminium alloy milk cans with lids. In this regard‚ we are pleased to quote our competitive rates as per following annexure:- a) Price Bid - Annexure – I b) Terms & Conditions - Annexure – II We are pleased to submit that we are leading manufacturers and exporters of Aluminium Alloy Milk cans and during the last years we have supplied
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Brighter homes. Inspiring homes. Home Decorative Lighting Collection‚ 2009-2010 How do you create a space that is comforting? How do you create a decor that is inspiring? How do you create a home that is inviting? 4 Have you noticed how some homes seem to sparkle and draw us in? They radiate character and seem to glow. The magic of light is the answer‚ for it comforts you‚ energises you‚ and turns your house into a home. Philips Home Decorative Lighting Collection offers an enchanting
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ABSTRACT This document describes the experimental process of developing a non-mechanical hot plate wind and rain sensor. It aims to discuss practical aspects of the necessary hardware to fulfil such a function and different software approaches to controlling such a system. Specifically‚ it discusses an experiment based on 30W hot plates controlled by Labview in an attempt to measure changing wind and rain conditions. It also looks at the data gathered in this instance and calibration
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of the crystalline powder on an aluminium pan. The aluminium pan was heated at 165 °C on a hot plate. The melt was then cooled down to room temperature by placing the pan on a cold metal surface. (To prepare a solid dispersion‚ equal quantities of the γ form of indomethacin and a polymer were weighed. The amounts were mixed in a mortar and pestle to obtain a homogeneous mixture of indomethacin and polymer at a 1:1 ratio (w/w). This mixture was spread on an aluminium pan‚ heated at 165 °C and cooled
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