"The treatment should last four months, but my father started to think it was all a con," he said. "he realised that in the classes no one could express opinions contrary to what they were told."
Seeding activated sludge from a secondary treatment pant can not help startup, and on the contrary, it may delay a startup.
利用二级处理的回流污泥进行接种对好气滤池的启动没有加速作用，相反，还会延迟启动时间。
3
The synthesis of GA3 was promoted and synthesis of ABA was inhibited after long photoperiod treatment, contrary to that, short photoperiod treatment raised ABA content and reduced GA3 content sharply.