A comparative study of lipid content and fatty acid composition in live foods from fertilized pond and Artemia sp.
土池肥水培育的生物饵料与卤虫无节幼体的脂类及脂肪酸组成的比较研究。
An experiment in field and artificial penetration-filter pond test both were conducted to show factors affecting content of nitrate-nitrogen in soil in the present study.
采用田间试验及人工渗滤池试验方法，研究了土壤中硝态氮含量的影响因素。
Using large waterproof installations and pond cultivate, study the effect of irrigation water content on photosynthetic and yield of summer corn.
利用大型防雨设施池栽，研究灌水量与夏玉米光合性能及产量的关系。
This paper mainly carries on experimental study to the geological properties of peat land near Kunming pond.
本文主要对滇池附近泥炭土的工程地质性质进行试验研究。
Initial feeding of early larvae Boleophthalmus pectinirostris in earthen pond rearing was analyzed in this study.
对土池育苗条件下大弹涂鱼早期仔鱼的摄食进行了分析。
Through study on distribution of the temperature field, the status of heat and mass transfer in the simulative slurry pond has been grasped.
通过对浆池温度场分布试验，掌握了浆池中的传热传质状况。
Through study on distribution of the temperature field, the status of heat and mass transfer in the simulative slurry pond has been grasped.
通过对浆池温度场分布试验，掌握了浆池中的传热传质状况。
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