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equivalent population
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  equivalent population
Average latencies and latency constants of the ERA potentials in the present group were different from those obtained in a normal, healthy, but otherwise equivalent population.
      
They termed this population "express saccades", and more recenly reported the discovery of an equivalent population of express saccades for humans (Fischer and Ramsperger 1984; Fischer 1987).
      
The lethal effect which DLN preparations inflicted towards HTB-19 populations was substantially greater than was observed with an equivalent population of untreated neutrophils.
      
The population of the flat system test was expanded to 1200 to give an equivalent population size to Dorigo and Schnepf's hierarchical tests.
      
Thus, this procedure normalizes the loss to a single unit of equivalent population value.
      
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Competition is one of the most important concepts in traditional ecology. This paper gives some special soil microbial community got by molecular methods from different soil level. Some communities in surface soil are noncompetitive in their construction: very abundant species, equivalent populations numerically and no dominant species. The diversity is very high. Environmental heterogeneity in spatial and nutrient is a key factor to determines this unusual ecological community structure.

竞争是种群生态学和群落生态学中最重要的概念之一,竞争一直被认为无处不有.通过分子生物学方法对土壤微生物群落结构的研究,发现在表层土壤的特殊环境下存在着一种无竞争的特殊群落.在这个群落中具有极其丰富的微生物种类,但其中没有显著的优势种群存在,各种群具有基本相似的生态地位,因此多样性很高.这种特殊环境的特征是生存空间不具显著约束,但具明显异质性,营养资源极度丰富.

By taking the planning of practical project for example and by making objective analysis and discrimination on the planning area and basic data, difficulties of the planning were presented, and the key conception on the planning for construction of wastewater treatment project in the rapidly developed coastal cities in China was discussed. The analysis methods such as causal forecasting and scalability forecasting were used to forecast some important indexes and parameters including population equivalent coefficient...

By taking the planning of practical project for example and by making objective analysis and discrimination on the planning area and basic data, difficulties of the planning were presented, and the key conception on the planning for construction of wastewater treatment project in the rapidly developed coastal cities in China was discussed. The analysis methods such as causal forecasting and scalability forecasting were used to forecast some important indexes and parameters including population equivalent coefficient and equivalent population in planning period. The methods for solving the centralized discharge of industrial wastewater in great amount, and the sewer system were proposed according to local condition.

以实际工程规划为例,在对规划区域调研和基础资料进行客观分析与甄别的前提下,指出了规划的难点,探讨了中国沿海地区快速发展城镇污水处理工程建设规划的主要理念,采用因果预测法和延伸性预测法等分析方法预测规划年限人口当量系数和当量人口等重要指标与参数,因地制宜地提出了大规模集中排放的工业废水和排水体制等问题的解决措施。

 
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