温变周期

基本解释 (translations)

thermoperiod

与温变周期相关的网络例句 [注：此内容来源于网络，仅供参考]

Citric acid production with cellulase hydrolyte of wheat stalk by Aspergillus niger , the effects of media component, fermentation at constant temperature, and at periodic variable temperature on citric acid were studied.

以麦草纤维素酶解液为原料，用黑曲霉发酵制备柠檬酸，研究了培养基组成、恒温发酵和周期变温发酵对柠檬酸发酵的影响，结果表明，适宜的培养基组成为NH4 NO3 0 。3%，KH2 PO4 0 。1%，Mg2 + 30 0× 10 -6，Fe2 + 10×10 -6，此时，柠檬酸产量为 10 。5 2 g/L ，糖转化率为 6 0 。80 %。