This is a preview. Log in through your library . Abstract Objectives—To study whether sewage workers are exposed to genotoxic substances. An increased risk of cancers among sewage workers has been ...
Although the boost circuit in Figure 1 comes off as rather simple (only two npn transistors), its benefits include low startup voltage and long battery life. White LEDs have gained immediate ...
Alkaline fuel cells (AFC) convert the chemical energy of hydrogen and oxygen into electrical energy, while only producing water as a by-product. This makes them an extremely attractive next generation ...
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