In this paper, we studied relationship between output frequency difference data and corresponding loading pressure in SAW (Surface Acoustic Wave) micro-pressure sensor. Then using frequency difference as input and pressure as output, we construct BP (Back Propagation) neural network which is trained ...
BP rides the fair value see-saw. (cover story)The article reports on the financial performance of BP, an oil company in Great Britain. According to the report, BP had written down nearly $400m of assets from its balance sheet, reversing an increase it had booked on the last quarter of...
PURPOSE: To enable the replacement of a saw blade before it is broken. ;CONSTITUTION: A sawing machine in which a work is cut by moving a saw blade housing 11 equipped with a saw blade 21 capable of being traveled and driven towards the work is provided with a crack-detecting device 27...
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tells them to stop.One weekend,Ella went to stay with her grandfather on the farm.She saw a chicken in the corner (角落) by itself.It didn't have many feathers (羽毛) and was much(4) Bthan the others."What's the matter with the (5) ...
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