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be pointed out that the moth-proofness produced by the present method is not removed by laundering or dry cleaning, since it is "built into" the molecule as an integral part of its chemical structure.Carpet beetles were found to damage both the untreated and the modified wools more extensively than did moth larvae (Table V and Figure 2). Nevertheless, the modified wools were decidedly more resistant than untreated wool to such attack.

After at least three successive transfers under anaerobic conditions, yeast crops exhibit a steady state of anaerobic fermentation in which the rate of glucose utilization remains constant for more than 200 hours with the population remaining stable even though in an excellent growth medium (Brockmann and

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