为研究水流流速对投加生物促生剂修复水质效果的影响，进行了实验室小试。
Study on Sediment Impact of the River Water Quality Improvement by Injecting Bio-energizer;
以豆油水化油脚生产的浓缩大豆磷脂为原料，在实验室小试基础上，用丙酮萃取法制取高纯度的粉末大豆磷脂。
Powered soybean lecithin of great purity is extracted by lecithin solvent fromconcentrated soybean lecithin produced from hydrated oil foot on a laboratory scale .
对新型造纸增强剂瓜尔胶在文化纸中的应用进行了实验室小试，并与浆内添加阳离子淀粉的增强效果进行了对比；
The application test of guar gum as a new strengthening agent in cultural paper was carried out in laboratory scale. Its strengthening effect was compared with that of cationic starch.
应用推荐