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dlinn [17]
2 years ago
11

Bats and marine mammals are able to locate prey and to communicate by sending and receiving sound waves that echo off surface. E

chos demonstrates the wave property of A: absorption, B: diffusion, C: transmission, or D: reflection
Chemistry
2 answers:
Nesterboy [21]2 years ago
8 0
I’m pretty sure it’s S
Nataliya [291]2 years ago
8 0
D, since your using echo, it reflects of the object or animal.
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A stover-to-ethanol plant produces 40,000 tonne/yr of ethanol and contains 8functionalunits:feedstockhandling,pretreatment,simul
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Answer:

FCI=458000*8*40000^{0.3}\\FCI=880818398.52 M

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Empirical correlation based on the work of Bridgwater and Mumford (1979):

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FCI=7000*N*F^{0.68}                         F≥60,000 tonnes/yr   Eq (2)

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N is the number of functional units

F is the process throughput tonnes/yr

In our case F=40,000 tonne/yr <60,000 tonne/yr, We are going to use Eq (1)

FCI=458000*N*F^{0.3}                       F<60,000 tonne/yr

N=8, F=40,000 tonne/yr

FCI=458000*8*40000^{0.3}\\FCI=880818398.52 M

FCI=88.0818 MM≅88 MM

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