Smart chargers for rechargeable batteries often use terminal voltage and cell temperature to optimum time to terminate fast charging. In the circuit in Figure 1, the active temperature sensor in the ...
Using R-22 in low-temperature applications does not necessarily yield rave reviews. It has been tried from time to time over the years. When CFCs like R-502 faced phaseouts in the mid-1980s, HCFC-22 ...
During summer break in the mid-1980s two college professors decided to canoe out onto the Delaware River to investigate a theory. They suspected a nearby power plant was exceeding limits set by the ...
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