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Soot caused oil thickening is a known failure mode for lubricants operating in heavy-duty diesel engines. An integrated chemical sensor has been developed. It consists of a bulk acoustic wave quartz resonator and a capacitor formed between a grounded electrode of the quartz resonator and an additional electrode. Two series of engine oil drain samples were(More)
Frozen parfried potatoes were thawed and stored at 55, 45, and 34 F (12.8, 7.2, 1.1 C). Significant changes in flavor and texture did not occur at these temperatures until the total bacterial count exceeded 100 million per gram. These sensory changes were produced after 4, 8, and 20 days of storage at 55, 45, and 34 F, respectively. Detectable color change(More)
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