depositional surface 中文意思是什麼
depositional surface
解釋
沉積面- depositional : 沉積的
- surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
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Secondly, essential law of soil crust formation was obtained : when coarse sand exceeded 50 %, soil crust dominated by depositional crust would be formed. when soil clay exceeded 30 % and soil aggregated degree was less than 140 %, soil surface tended to form soil crust dominated by structural crust
四、土壤聚合劑聚丙烯酰胺（ pam ）對控製表土結皮形成的效果： pam能控製表土結皮形成的主要原因是， pam能改善土壤的結構狀況，顯著提高土壤團聚體的穩定性，從而有效的抑制了表土結皮的形成。 -
Scanning electric microscope ( sem ) photographs were used to examine the structure of surface soil experienced a rainstorm, for the purpose of understanding the mechanism of soil crusting. it approved that soil crusting consists of depositional crust and structural crust. the curves of infiltration with time revealed four stages of crust formation
用電子掃描顯微鏡（ sem ）照片對比了土壤表面結構，分析了土壤的結皮機理，可以認為土壤結皮是由結構結皮和沉積結皮構成，入滲量與時間的歷時曲線反映了結皮的四個形成過程。
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