The modified BCA method, featuring incubation at 75 °C for 30 min, did not result in β-glucosidic bond cleavage, whereas substantial cleavage was observed at higher temperature. Solubilization of insoluble cellulose in cold phosphoric acid prior to measurement of the reducing-end concentration by...
In [1], the following problem was stated: A man has lost his way in a forest whose form is represented by an infinitely long straight band of width l. How can this man get out of the forest in the shortest period of time? If we suppose that the man moves evenly, then the problem...
4.A cow's estrus cycle averages 21 days.母牛的发情周期平均为21天。 5.The incubation period of this type of hepatitis is relatively short, averaging between 2 to 4 weeks.本型肝炎潜伏期较短,平均二至四周。 6.PERIODIC VARIATION AND LINEAR RISE TREND OF MONTHLY MEAN VALUE OF SEA-LEVEL IN ...