Computer · Environmental Engineering
मंद रेत फिल्टर (slow sand filter) में, आंशिक रूप से विघटित कार्बनिक पदार्थों के साथ लोहा, मैंगनीज, एल्यूमीनियम और सिलिका के लाल-भूरे रंग के चिपचिपे जमाव द्वारा बनने वाली परत को क्या कहा जाता है?
- 1आधार सामग्री (Base material)
- 2स्वपोषी क्षेत्र (Autotrophic zone)
- 3विषमपोषी क्षेत्र (Heterotrophic zone)
- 4श्मुत्ज़डेके (Schmutzdecke)✓
सही उत्तर देखें
श्मुत्ज़डेके (Schmutzdecke)
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