predations

与predations相关的网络例句 [注：此内容来源于网络，仅供参考]

Harmonia axyridis is one of the important predations, and it can prey many kinds of aphids, it has very useful foreground in biological control.

异色瓢虫是一种重要的捕食性天敌，可捕食多种蚜虫，在生物防治中具有很大应用前景。

Finally, it also achieved the aim of treating sewage with less sludge production discharged by combining MBR and the technology of intensified function of these metazoans, such as predations.

试验还通过将MBR技术与强化污泥系统后生动物的方法相结合，来实现减量剩余污泥的排放的研究。

Then, biological phase of the system was observed, and it was found that the appearance of predations could have contributions to the reduction of membrane fouling and increases of the removals of the organic pollutants, but it was unfavorable to the removals of total phosphorus and turbidity.

并且在试验过程中，对系统中的生物相进行了分析，发现高浓度蠕虫的出现，有利于膜污染的减缓和有机物的去除，但会影响总磷和浊度的去除。