因此石灰华中泥沙含量的变化趋势表征流域内土壤侵蚀的变化趋势。
Therefore, the change trend of the silt content in travertine shows the change trend of soil erosion in valley.
用非接触式电阻率测试仪研究了不同含量的可溶磷及石灰对水泥早期水化过程中电阻率的影响。
The influence of different contents of phosphate and lime on hydration of Portland cement has been studied using a non contact electrical resistivity meter.
用盐酸直接溶样的方法可以代替高温碱熔的方法分析石灰石中的氧化钙和氧化镁的含量。
Thus we hold that the direct HCl dissolution method can replace the high temperature alkali fuse to analysis the calcium oxide and magnesian in limestone.
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