The results showed that the growth of seedlings was promoted by exogenous polyamines under normal water and drought conditions, and more notable under drought condition.
结果表明，在正常和干旱条件下，外源多胺均能促进油松幼苗的生长，且干旱条件下的促进效果更为显著。
With the increasing of the light period length, the growth rate and cell density rose gradually and exogenous phosphorus level declined rapidly in the water.
延长光照时间能加快微囊蓝细菌的生长速率和提高微囊蓝细菌的密度。
Rapeseed straw particles are further treated by white-rot fungi(then sprayed with water or exogenous fibrolytic enzymes) to access the effects of combined pretreatment on the yield of reducing sugars.
油菜秸秆经过不同的预处理，再喷上水或外源纤维素酶，还原糖的产生存在差异。
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