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。

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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。

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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。

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ExoMars, as we call it on this side of the pond, envisages a satellite to study the Martian atmosphere, followed by a large robotic rover to drill beneath the surface and cache rocks for later return to Earth.

BBC: Where now for Mars exploration?