base soil meaning in English
基土
Examples
- Gis - based soil quality evaluation with fuzzy variable weight
的土壤质量模糊变权评价 - Through investigation and analysis , this thesis put forward that the roadbed disease are caused by the surface water " s softening of the base soil with bad nature
因此对于运营铁路来说。如何有效地整治膨胀土地段的基床病害是摆在我们面前的一大难题。 - 5 . to meet the needs of soi1 moisture monitoring and vanabie irrigation , a measurement system , named model tsciv intelligent monitor , for measuring the spatial distributions of soil moisture was developed . swr - based soil moisture sensor was combined or connected with ag132 global positioning system ( gps ) in the system
本文从土壤墒情监测和指导田间变量灌溉的要求出发,研制开发了连接ag132gps接收机和swr型土壤水分传感器的tsc型智能化土壤水分空间分布速测仪样机,完成了gps数据的接收与处理、土壤水分的采集与保存等工作。 - ( 2 ) through consuming co2 and secreting alkaline matters from their cellls to soil , micro - algae can improve soil ph value , and transform the weak acid soil into weak base soil . ( 3 ) through photosysthesis transforming co2 into organic matters , micro - algae can increase the content of soil organic matter
肥沃土壤中的微藻接种进入贫瘠土壤后,在黑暗条件下逐渐死亡,有光条件下的微藻经过一段时间的适应后,到第90天时,每克土中的微藻数量增长到接种量的7 - 8倍。 - This article gives a brief introduction of era methodology developed in america and europe , and reviews , current advances , existing problems and future trends in era research and development , hoping that through this effort development in era of polluted soils and establishment of risk - based soil environmental quality guidelines in china would be promoted
本文介绍了欧美等发达国家当前使用的一些评估方法,评述了其研究进展,并提出了存在的问题和未来的发展趋势,旨在推动我国污染土壤的生态风险评估研究,以及基于风险评估的土壤环境质量指导值与标准的建立。