We examined the microorganisms in reservoir water and obtained some corrupted the steel in reservoir, with multi tube fermentation method.
采用多管发酵培养法检测水样中致腐蚀菌并富集出测试菌群。
To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.
为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。
Firstly, formula of stream tube method was summarized including single disk multi-tube model and double disk multi-tube model.
首先，对流管法计算公式进行归纳总结，包括单盘面-多流管模型和双盘面-多流管模型。
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