Gibbs-duhem-margules equation and its derivation
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A chemical equation puts down on the LHS the chemicals mixed together and on the RHS the results. A nuclear equation puts on the LHS the target element, with an incident particle if relevant, and on the RHS the results. But in a chemical process the constituent elements must balance on each side, whereas with a nuclear change the elements can be converted to other elements.
You need to know the temperature of the reference junction and the voltage difference between the reference and sensing junctions. First, you convert the reference temperature to a voltage using the reverse equation or table for your thermocouple type. Then you sum that voltage with the measured voltage. Finally, you convert the summed voltage back to a temperature using the equation or table for the thermocouple type you are using. If the reference junction is at zero degrees C, you can skip the reference summing part. Before computer processing was easy and cheap, the reference junction was often kept in an ice water bath for that reason.
Parametric equations are a way of expressing the points of a curve as the function of a set parameter. Any game that displays modern scaling graphics using a form of parametric equation.
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A person could the interest rates for certificates of deposit by using an interest rate calculator where the amount of the deposit is entered into an equation and the end result will be how much interest will be earned for the term you want.