Engineering, 17.04.2020 16:17 ramosramos142
Poly(L-lactic acid) is known to be highly crystalline and not to be completely resorbed over periods of time as long as 143 weeks. Explain how the presence of crystalline regions in this polyester could contribute to its exceptionally long resorption time.
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Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m
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Engineering, 04.07.2019 19:10
Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.
Answers: 1
Poly(L-lactic acid) is known to be highly crystalline and not to be completely resorbed over periods...
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