material cycle

As a main part of Lake Ecosystem, sediment is not only the point of nutrition material cycle, but also the important reservoirs of contaminant.

作为湖泊生态系统的重要组成部分，沉积物不仅是湖泊营养物质循环的中心环节，而且是污染物的主要蓄积库。

This paper studies the general behaviors of energy flow and material cycle in agroecosystem in Aksu area.

以阿克苏地区为对象研究了该区农业生态系统中能量流动和物质循环的一般特征。

Normal problem happened in operatin of CFB material cycle device and the method are introduced herein.

循环流化床锅炉物料循环装置在运行中常见的问题及调试方法的探讨.

We can open up material cycle, energy flow, information transmission channels in the eco-system, and solve the eutrophication and the algae bloom problems in Dianchi Lake by using the forces of nature and ecosystem service functions by wetlands treatment system.

通过滩涂湿地处理系统，打通生态系统进行物质循环、能量流动、信息传递的通道，利用自然力和生态系统本身服务功能治理滇池的富营养化问题和蓝藻爆发问题。

It is concluded that the infiltration-ridged paddy field is of high and effective material cycle and energy transformation.

土壤表面水、热、气交换更新频繁，土壤养分代谢快，有效性高，构成了浸润垄作稻田高水平，高效应的物质循环和能量转化。

Marine heterotrophic nanoflagellate ( HNF), as a key link in microbial loop, plays an important role in the material cycle, energy flow and nutrient remineralization of marine ecosystems.

微型异养鞭毛虫作为海洋微食物环的关键环节之一，在海洋生态系统的物质循环、能量流动和营养盐再生等方面扮演极其重要的角色，是当代海洋微食物环研究的重要对象。