Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The superscript ‘p’ signifies a projected quantity, 
and 
can be determined from the data and are defined in equation (3), and 
is calculated numerically.
| Step 1 |
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| Step 2 |
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| Step 3 |
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| Step 4 |
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| Step 5 |
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| Step 6 |
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