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A chemical oxygen generator is a device that releases oxygen via a chemical reaction. The oxygen source is usually an inorganic superoxide, [1] chlorate, or perchlorate. Ozonides are a promising group of oxygen sources, as well. The generators are usually ignited by a firing pin, and the chemical reaction is usually exothermic, making the ...
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The first range (80–100% H 2) is to monitor the hydrogen purity during normal operation. The second (0–100% H 2) and third (0–100% CO 2) measuring ranges allow safe opening of the turbines for maintenance. Hydrogen has very low viscosity, a favorable property for reducing drag losses in the rotor. These losses can be significant due to ...
In statistics, the 68–95–99.7 rule, also known as the empirical rule, and sometimes abbreviated 3ss, is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution: 68%, 95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean, respectively.