The different alcohol concentration, method and thickness of casing soil effect directly the biological efficiency of Pleurotus errngii.
不同酒精浓度处理、后熟期、覆土厚度、覆土模式直接影响杏鲍菇生物学效率的高低。
In view of the frequent occurrences of the casing corrosion in the oilfield, relevant parameters of the soil corrosion have been analyzed.
针对油田油水井套管发生腐蚀渗漏的现象,分析了土壤腐蚀性的相关参数。
Finally, we suggested that the problem on stability of the bench mark may be settled in certain area by using the bench mark with a casing pipe buried in the proper depth of soil stratum.
最后指出,在某些地区,适当埋设深层套管水准标,可以解决水准标志的稳定性问题。
Finally, we suggested that the problem on stability of the bench mark may be settled in certain area by using the bench mark with a casing pipe buried in the proper depth of soil stratum.
最后指出,在某些地区,适当埋设深层套管水准标,可以解决水准标志的稳定性问题。
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