1. What is the difference in lignin content between hardwood and softwood species? What is the chemical...

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1. What is the difference in lignin content between hardwood and softwood species? What is the chemical structure of lignin?

2. The equilibrium moisture content of wood is the moisture content at which the wood is neither gaining nor losing moisture. What is the moisture content of wood at 70°F with a relative humidity of 50%?

3. What measures are used to control cracking in reinforced concrete?

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Related Book For  answer-question

The Science And Engineering Of Materials

ISBN: 9781305076761

7th Edition

Authors: Donald R. Askeland, Wendelin J. Wright

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