submerged condition

in drought condition, the cumulative release amount and the cumulative release rate of villous vetch are higher than chinese milk vetch. the submerged condition is more conducive to the release rates of the nutrients than the drought condition.

在旱作处理下，毛叶苕子的累积释放率高于紫云英：四种绿肥均是淹水较旱作条件更利于养分释放。

Pretreatment of the micro-polluted water of a reservoir by a pilot-scale submerged biofilm reactor was investigated under the semi-continuous operation condition.

采用生物接触氧化工艺对厦门湖边水库的微污染的源水进行了预处理中试，实验装置采用YDT弹性填料，通水操作为连续和半连续。

Under submerged condition, their stems were also elongated, which are mainly caused by the elongation of internodes that is relevant to the stem age.

水淹条件下，秋华柳茎进行伸长生长，其伸长生长主要是由于节间的伸长生长，其节间的伸长大小与茎的老幼程度有关；水淹下秋华柳茎的顶端优势减弱，侧枝生长增强。