目的探讨活化部分凝血活酶时间的标准化问题。
Objective To approach the problem of activated partial thromboplastin time standardization.
同样使人担忧的是酶，这种物质随着时间的推移会被分解。
Equally worrying are the enzymes, which tend to break down over time.
研究结果表明：当转化率小于40％时，酶反应在两种反应器中所需的停留时间相当。
When the yield was less than 40%, the residence time in two bioreactors was approximately equal.
培养时间对t 88的产酶有一定影响。
The effect of culture time on enzyme production of T88 was studied.
尽管由于时间的原因，本研究未能完成后面的酶活力测定等。
Although the time of the reasons behind this study failed to complete the activity measurements.
尽管由于时间的原因，本研究未能完成后面的酶活力测定等。
Although the time of the reasons behind this study failed to complete the activity measurements.
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