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Keyword [Sand column]
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1. Laboratory Studies Of Sand Column On The Dynamic Evaporation On A Shallow Water Table
2. Study On Sand Column And Movement Of Water And Soil Salt In PCE Patent Technique On Saline
3. The Leaching Formation Of Iron-manganese Cutans In Sand Columns And Soil Columns At PH 5
4. The Acid Leaching Of Iron-Manganese And Formation Of Cutans In Sand Columns And Soil Columns
5. The Characteristics Of Iron And Manganese Migration And Deposition In Quartz Sand And The Brown-Red Soil Columns
6. Study On The Drought And Flood Regulation Technology Of Wheat And Maize In Henan
7. The Loss-control Of Nitrogen By A Biotic Fertilizer Synergist And Its Effects On Growth And Quality Of Pakchoi
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