Influence of Heat Treatment on Hardness and Corrosion Resistance of Commercial Aluminium Mayeedul Islam 1‚*‚ S. M. Najmul Hoque2‚ M. Abdullah Al Mahmood2‚ A. A. Shisir 2 ABSTRACT Aluminium and their alloys are widely used as construction materials from house hold appliances to air-craft parts. The commercially pure aluminium has merely low corrosion resistance and hardness compare to aluminium alloy. In this study an attempt has been made to study the influence of heat treatment on the properties
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1. Which of the following describes the role pastoral societies played in world history before the Mongol Empire? d) They introduced new political models that reshaped the states of older civilizations. a) They preserved the lifestyle of gathering and hunting societies. c) They created a series of nomadic empires and controlled major trade routes. b) They spread their polytheistic religions to neighboring civilizations. 2. Why did pastoral societies emerge only in the Afro-Eurasian
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Eunjin Choi CHEM 161L (603) 6/2/2014 Lab report 1: Density Purpose: The purpose of this lab was experimentally determining the familiarization between volumetric and gravimetric using common equipment. Procedure: Equipment: Objects for density determination – a metals‚ and Teflon ball 50 mL graduated cylinder 100 mL graduated cylinder 50 mL beaker Electronic balance Calcaulator Water Ammonium sulfate Step: Part 1.Measurment of the density of a solid 1. Three
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Matching a. authoritative restore b. checkpoint file c. Directory Services Restore Mode d. Fragmentation e. garbage collection f. LDP g. system volume h. tombstone i. transaction buffer j. Windows PowerShell __h__ 1. This object is created when an object is deleted within Active Directory. __i__ 2. Active Directory changes are written here before they are committed to disk. __J__ 3. This is a new advanced command- line and scripting interface included in Windows Server 2008. __g__ 4. This volume
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2014 Antigone Character Analysis Loyalty and determination are two great characteristics to have as a person‚ but they are not so great when they blind you from exactly what you are doing. This is the tragic flaw of the tragic hero Antigone. Antigone is the protagonist of Antigone a tragic play written by Sophocles‚ one of the great ancient Greek playwrights. In Antigone written by Sophocles‚ Antigone’s uncompromising pride‚ loyalty‚ and determination all directly lead to her downfall. Antigone
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An integrated study of the Mpenjati estuary-beach system. (Biological component) Abstract A study was carried out to find the abundances of animal organisms between both sides of the Mpenjati estuary. Zooplankton‚ Macro fauna‚ Meiofauna and Fish was sampled .Each of the species that reside in the estuary contribute to the diversity of the area and are essentially driving forces‚ ensuring optimal functioning of the ecosystem. The purpose of sampling such ecosystems is to find out how the interactions
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Chapter 11 Student: ___________________________________________________________________________ 1. As coca-cola faced problems in the late 1990s‚ Douglas Daft changed strategies and focussed on ____________? A. price B. quantity C. quality D. tailoring strategy to meet local needs E. centralizing firm decisions in Atlanta 2. Profit can be defined as: A. costs minus profits B. the difference between time and money C. quantity times profit D. sales plus costs E. the difference between TR and TC
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EXPERIMENT 2 : UV-VISIBLE DETERMINATION OF AN UNKNOWN CONCENTRATION OF KMnO4 OBJECTIVE 1. To determine the maximum wavelength of potassium permanganate. 2. To plot the calibration curve of potassium permanganate. 3. To determine the concentration of an unknown solution of potassium permanganate. APPARATUS Beaker‚ burette‚ glass rod ‚volumetric flask 100ml ‚dropper CHEMICALS Potassium permanganate (KMnO4)‚ distilled water PROCEDURE A. Preparation of the KMnO4 standard solution
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Quantitative Determination of Sulphate by Gravimetric Analysis (Experiment 4) | Maryjo Lee Wei Min 1111107 DBS/FT/1A/01 | (A) Synopsis The amount of sulphate is determined quantitatively as barium sulphate by gravimetric analysis. This determination consists of slowly adding a dilute solution of barium chloride to a hot‚ unknown sulphate solution which is slightly acidified with concentrated hydrochloric acid. A white precipitate will formed and is then filtered off‚ washed with deionised water‚ dried
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Flavored water From Wikipedia‚ the free encyclopedia Flavored water is a beverage consisting of water with added natural or artificial flavors‚ herbs‚ and sweeteners‚ and is usually lower in calories than non-diet soft drinks. In many cases‚ flavored waters add vitamins and minerals to their beverages through the incorporation of fruits in order to better market their products. Pepsi and Coca-Cola are two well known brand owners of flavored water but there are many others as well. Flavored water targets
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