Oxygen na-agbaze na-ezo aka na ọnụọgụ oxygen gbazere na mmiri, nke a na-edekarị dị ka DO, nke a na-egosipụta na milligrams oxygen kwa lita mmiri (na mg/L ma ọ bụ ppm).Ụfọdụ ogige organic na-biodegraded n'okpuru omume nke aerobic nje bacteria, nke na-eri ikuku oxygen gbazere na mmiri, na th ...
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