与单一溶剂相比，在混合溶剂中反应，可提高果糖溶解度，增加酶活，缩短反应时间。
Compared with single solvent, suitable mixed solvent could improve solubility of fructose, increase enzyme activity and shorten reaction time.
而膜脂脂肪酸不饱和度的增加是植物对低温生长的反应，与抗寒性无直接关系。
The increased unsaturation of membrane lipids is only the response to low temperature and has no directly relation to cold hardiness.
选择合适漂移管工作温度，能有效地增加反应物离子的产量，从而提高系统检测的灵敏度和选择性。
In addition, the reactant ion yield can be effectively increased by choosing a proper temperature in drift tube, and improves the sensitivity and selectivity of system.
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