DESCRIBE THE PROPERTIES OF ( FINE AND COARSE ) AGGREGATES ? REPORT Aggregates are defined as a combination of distinct parts gathered into a mass or a whole. They can increase stability of a structure and protect it from bad weather. In addition‚ aggregates can also increase quality and reduce price of the cements beacause of their greater volume stability and filling function. Therefore‚ it is important for civil engineers to understand properties of aggregates. Aggregates’ properties are the
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* Expansion * Austenitic (300 series): coefficient of thermal expansion is up to 50% greater than carbon steel * Modulus of elasticity * Slightly lower than carbon steel * Stainless Modulus: 28-29*10^6 psi * Carbon Steel: 30*10^6 psi * Mechanical Properties * 304 and 316: Better tensile‚ ductility‚ and toughness than mild steel * 420 and 440C: high hardness; used as tool steels * 310 or 446: best for scaling resistance
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Major concepts to review for Exam 1: 1.) know the elements of life – and how the reduction and oxidative of some of these drive bioenergetics 2.) Know the general time line for biology and evolution on the Earth; What major events altered evolution especially in terms of microbially driven changes 3.) Carl Woese – what did he contribute? What kind of biological molecules are best to generate phylogenetic trees‚ and why? How does this compare to enzymes? 4.) What defines a species (formal definitions)
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An examination of the tires on Vehicle 1 revealed all four tires to be Continental brand radial tires‚ 215/60R16 in size. From the right rear tire‚ clockwise around the vehicle‚ the tires were inflated to 36 psi‚ 35 psi‚ 39 psi. The right front tire was flat due to the crash. All the tires were in good condition with an average tread depth of 8/32’s. Vehicle 2 appeared to be in good working order. A search of the National Highway Traffic Safety Administration Recall
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Robotics Theory and Industrial Applications Second Edition Chapter 6 Answers 1) In a fluid power system the energy moves along the transmission path from the electrical motor to the pump. Fluid enters the pump at the inlet port and is forced through the outlet port. The fluid can undergo a multiplication of force activating on a load much larger than the point of origin. This fluid continues along the transmission path to the load. Basically‚ they use air or liquid‚ or a combination of both‚
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Sample Calculations I-Beam (S8x18.4) Dimensions: D= 8 in; h= 7.148 in; bf= 4.001 in; tw= 0.271in; tf= 0.426in; L (length of the beam) =18.4 in I= (bf*D3 – h3 (bf – tw))/12= 57.6 in4; E (Referenced value of Young’s modulus) = 29X106 psi Theoretical Strain: ε= σ/E= (M*y)/(E*I) P = load a = distance from support to the applied load (48 in) y = distance from neutral axis to the extreme element in y-direction The sing in the theoretical strain (±) determines if the strain is in compression
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to examine claims‚ advertised by commercial products‚ that believe attending gesturing classes can improve child-parent communications‚ thus reducing parental stress. Participants gave demographic information and completed a Parenting Stress Index (PSI) questionnaire. ANCOVA was used to look at whether attending gesturing classes affected parental stress‚ mothers attending a gesture group and mothers attending a non gesture group were compared; with ‘sibling status’ and ‘birth order’ controlled. Researchers
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Bioresource Technology 36 ( 1991 ) 77-82 Common Aspects of Acid Prehydrolysis and Steam Explosion for Pretreating Wood Hans E. Grethlein Michigan Biotechnology Institute‚ PO Box 27609‚ Lansing‚ Michigan 48909‚ USA & Alvin O. Converse Thayer School of Engineering‚ Dartmouth College‚ Hanover‚ New Hampshire 03755‚ USA Abstract The initial rate of hydrolysis using cellulase from Trichoderma reesei for various wood samples is directly proportional to the surface area available to the enzyme
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David VenturaProfessor Favors English- 1302. 81202 7 Oct. 2015 During my first year attending Richland College‚ I was not sure what I was going to major in. I understand that if I choose a major I did not like I will be stuck doing something I might regret for a long time. I know that I wanted to do something that I can help other people in need with‚ especially with monetary matters‚ so I explored my options by taking some general education courses. By the end of my first year I realized that
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TABLE OF CONTENT CONDOMS ADVERTISING 3 Product Information: 3 Policies for Condoms Advertising: 6 Commercials must: 6 Commercials must not: 6 Public Opposition: 7 Benefits of Condoms Commercials: 10 Condoms Advertisement in Pakistan 11 Targeting Men: 11 a. Sense of Male Responsibility 11 b. Providing Relevant and Correct Information to Men 12 c. Small Family Norm 12 d. Male Providers 12 e. Inter-spousal Communication 12 f. Girl Child 13 Bibliography 14 Appendix 15 CONDOMS ADVERTISING
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