采用水培方法研究了不同形态氮素和饼肥浸提液对烤烟光合生理特性的影响。
A pot experiment was conducted to study the effects of different nitrogen nutrition on photosynthetic characteristics in tobacco leaves.
对油茶籽饼粕中茶皂素的提取进行了系统的研究：用水- 乙醇混合物作浸提剂，优化浸提参数，使提取率达12％；
The use of water-ethanol mixture as infusion, with parameters of which optimized, results in the extraction rate reaching over 12%.
用水溶剂低温流动循环法浸提甜菊甙，简便易行，成本低廉。
The technique of extracting stevioside with low temperature and circulatively flowing water is simple and easy. Its productive cost is cheaper.
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