The best Side of what is biological oxygen demand bod
Spot the delivery tube tip into the answer and switch the stirrer on to stir the sample As you're turning the supply knob.有機物の量:バクテリアが分解を終えた時、容器内の酸素が半分程度残されている必要があり、推測により希釈するThis may be preferable Should you be sampling below adverse problems or