double distilled water meaning in English

双蒸馏水
双蒸水
再蒸馏水
重蒸溜
重蒸馏水

In the first step , quantitative and qualitative characteristic of soils influenced by soil microalgal were studied in this step . in this study , four different algal ( chroococcus , chlorococcum , navicula and chalmydomonas ) and one algal mixture , which were formed by the above four algal species , were cultivated in two different mediums ( soil and double distilled water ) , under regular illumination or dark condition respectively . we estimated the environmental ph , the microorganism biomass ( not including algal ) , and the organic matter content very 20 culture days and estimated the available phosphorus after 60 culture days . we got the results by making graphs and extreme - difference analysis after 0 , 20
实验以土壤(经过高温烧制除去微生物和土壤有机质的影响)和水(重蒸水)为两种不同的基质，在基质中接种五种相同重量的土壤微藻藻液(立方色球藻、土生绿球藻、舟形藻、沙角衣藻以及由四种藻种形成的混合藻液) ，分别进行见光和和黑暗培养，在0天、 20天、 40天和60天时，测定环境ph值、微生物量(不包括藻类) 、有机质含量，进行极差分析和图形比较。