- 滑雪需氧量
- 化學(xué)耗氧量
- 化學(xué)需氧量
- 化學(xué)氧需求量
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chemical oxygen demand中文什么意思
例句與用法
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- Water quality - determination of the chemical oxygen demand
水質(zhì).化學(xué)需氧量的測(cè)定 - Cod water quality - determination of chemical oxygen demand
水質(zhì).化學(xué)需氧量的測(cè)定 - Photo of chemical oxygen demand in the kai tak nullah
啟德明渠kn4的化學(xué)需氧量圖片 - Cod verification regulation of chemical oxygen demand meters
化學(xué)需氧量 - Complete set up for chemical oxygen demand determinations in seawater
海水化學(xué)耗氧量測(cè)定系統(tǒng)
百科釋義
In environmental chemistry, the chemical oxygen demand (COD) test is commonly used to indirectly measure the amount of organic compounds in water. Most applications of COD determine the amount of organic pollutants found in surface water (e.
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