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For the potato-shaped body given in class to explain the concept of stress, the field of stress vectors t(n)=t(n)(x)on the plane of normal n given by its cartesian components(1,0, 0) known and its cartesian components are given by the expression
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A Cauchy stress component at a given(fixed) point P of a structure in equilibrium under the action of external loads is defined when 1. the direction of the face on which the stress component acts is specified 2 the direction of the force from which the stress component is derived is specified None of the above statements
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The work of the external forces in the spring system of the figure is given by W=B*(U1+U2+U3)(2) W=P1*U1+P2米U2+B米U3(3) None of the above statements
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16.21 Techniques of Structural Analysis and sig Spring 2003 Unit #1 In this course we are going to focus on energy and variational methods for structural analysis. To understand the overall approach we start by con- trasting it with the alternative vector mechanics approach
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earning objectives Understand the importance of project quality management and the role of the project manager in assuring quality Define quality and how it relates to various aspects of information technology projects
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Obiectives Understand the systems view of project management Explain the four general phases in the project life cycle Explain the differences among functional, matrix, and project organizational structures
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1 An introduction to biotechnological innovations Industry G. Mijnbeek and C. K. Leach 2 Biocatalyst in organic chemical synthesis R O. Jenkins 3 Efficiency of growth and product formation R.O. Jenkins
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I Atom movement in sol ids mechanical movement thermal vibration (short-range migration) Thermal motion diffusion(long-range migration)
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1. There have no two-phases area in diffusion area, every layer is single-phases 2. Phase's interface moves according to parabola law 3. Phase's width
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2.1 Introduction 2.2 Micro-organisms as catalysts of organic synthesis 2.3 Enzyme preparations versus whole cell processes 2.4 Scale of production 2.5 Modes of operation of bioprocesses 2.6 Biotechnological processes verses chemical synthetic processes
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