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The physical appearances of different types of leather were determined through physical observations and Scanning Electron Microscopy.
When physical observation reveals evidence of a problem, the next step in evaluating the situation and determining solutions is a probe.
He completed his voyage toward spirituality by leaving behind materiality when he died, but he also remained true to his scientific bent to the very end: his last remark was the objective, physical observation, "Urinen er nu kommet, men den er helt rod" (The urine has come now, but it is completely red).
Using the Grid2 Pareto Set, five input settings were selected at which to take additional physical observations.
What is needed is a way to take physical observations and convert them into numerical data that can be tabulated to provide measurement and evaluation.
Volunteers are trained to test for dissolved oxygen at the site, record physical observations and collect a water sample.
It's very important to learn as much as we can about this object when it gets close enough for physical observations in late 2012 and early 2013," NASA researcher Lance Benner (http://echo.
In addition to physical observations under the microscope, the researchers investigated the cell's ability to store glycogen and then recorded the amount of urea contained in the cell.

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