powder drift 中文意思是什麼
powder drift
解釋
裝藥巷道-
The function of desert microbiotic crusts in erdos was analyzed, the results ahowed that : microbiotic crusts consist of fine sand and thick powder sand, but differs with the wind - drift sand, wind - drift sand are coarse sand and fine sand ; microbiotic crusts influence the rainfall distribution again and effect on the evaporation of infiltration moisture ; microbiotic crusts has the power of water conservation and the function of enrichment of nutrients
摘要本文對鄂爾多斯沙漠生物結皮作用進行了初步研究,結果表明結皮層的機械組成以細沙和粗粉沙為主,而流沙以粗沙和細沙為主;生物結皮層影響降水的再分配作用,並影響入滲水的蒸發規律;生物結皮層縣有較好的保水特性和養分富集作用。
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