Welding, brazing, and thermal cutting by National Institute for Occupational Safety and Health.

By National Institute for Occupational Safety and Health. Division of Standards Development and Technology Transfer

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J Cell Biol 74:690 69. Dewitt S, Hallett M (2007) Leukocyte membrane “expansion”: a central mechanism for leukocyte extravasation. J Leukoc Biol 81:1160 70. Finan JD, Guilak F (2010) The effects of osmotic stress on the structure and function of the cell nucleus. J Cell Biochem 109:460 71. Bayer S, Altman J (2005) The human brain during the second trimester. Taylor & Francis, Boca Raton 72. Richman DP, Stewart RM, Hutchinson JW, Caviness VSJ (1975) Mechanical model of brain convolutional development.

The solid lines are intermediate values that were obtained numerically. (c) Two stable configurations of a wide strip cut at 60 . In each of the two configurations the sheet bends along a different principal curvature ~ ~ transition is from minimal surfaces at w<<1 to developable surfaces at w>>1. In the second limit a bending dominated boundary layer is clearly detected and the helices are bi-stable (Fig. 8c). Finally, the measured variation of pitch and radius with y is also in excellent agreement with the calculated values [34].

3 Thin Sheets In the rest of this chapter we limit our discussion to thin growing elastic sheets— structures with one dimension—the thickness, t (in the z direction), much smaller than the other two (x- and y-directions). First, we will look at such ordinary (not growing) bodies. For such bodies we can define their mid surface, z ¼ 0, and their upper and lower “faces” at Æ t=2. The thinness of these bodies allowed the derivation of two-dimensional (2D) effective theories—the theories of plates and shells [6–8].

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Welding, brazing, and thermal cutting by National Institute for Occupational Safety and Health.
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