采用模拟降雨试验方法研究了黄土道路侵蚀过程，取得了如下结果。
Based on simulated rainfall experiments, erosion processes on loess roads are studied, and following results are obtained.
取得的主要研究结果如下：（1）砂梨上ASPV的鉴定和分离。
The results obtained are listed as followings:(1) ASPV was tested from Pyrus pyrifolia in China.
取得主要结果如下：建立了复方山楂提取液有效成分黄酮类、蒽醌类化合物的检测方法，进行了方法学考察。
The main results were focused on the following aspects: the testing methods of flavonoids and anthraquinone in compound hawthorn extract were established, and its technology was investigated.
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