1. Enzymes • Enzymes are the organic catalysts produced by living organisms. They are biological catalyst and increase the rate of chemical reaction. They make possible…

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Soil which expand when they gain water and shrink when they loose water (desiccation)       Soils are composed of a variety of materials, most of which…

Chapter 8 Oxygen Corrosion Locations Although relatively uncommon in an operating boiler, oxygen attack is a problem frequently found in idle boilers. The entire boiler system…

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1 CHAPTER 1: INTRODUCTION 1.1 About Indian Railways: Indian Railways is the state-owned railway company of India, which owns and operates most of the country's rail…

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Group 1 Cyanide: y Cyanide contains a carbon atom connected to a nitrogen atom, hence the chemical formula CN. y Cyanides can be manufactured but they also occur in nature.…

1. COMSATS Institute of Information Technology Defence Road, Off Raiwind Road, Lahore, Pakistan 2. Corrosion Occurrence in Major Environments 3. Presented by GROUP 7 Hafiz…

1. Ceramics strengthening techniquesBy Radwa El-Dessouky 2. Griffith flawsThey are minute submicroscopic surface defects (scratches and cracks) present on the glass surface…