Suide Soil and Water Conservation Experimental Station of YRCC conducted tests and study on probing and using the construction method of feldspathic sandstone as dam building material in 1997.
为探索利用砒砂岩作为筑坝材料的施工方法，黄河水利委员会绥德水土保持科学试验站于1997年进行了试验研究。
After pot-cultivation, field and imitate-culturing tests, the effect of several kinds of organic material and the different amount of application on the activity of soil enzyme were analysed.
通过盆栽、田间及模拟培养试验，分析了几种有机物料及不同有机物料用量对土壤酶活性的影响。
This paper presents the results of the strength and fatigue tests of lime-soil material.
本文叙述了石灰土的强度和疲劳试验结果。
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