碳需氧量 的英文怎麼說

中文拼音 [tànxūyǎngliáng]
碳需氧量 英文
carbonaceous oxygen demand
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 需 : Ⅰ動詞（需要） need; want; require Ⅱ名詞1. （需用的東西） necessaries; needs 2. （姓氏） a surname
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. For the same amount of carbon, there is twice as much oxygen as in carbon monoxide.

    同一份量的碳，所需要的氧的分量卻是一氧化碳的二倍。
  2. Since a carbon nucleus is six times more positively charged than a hydrogen nucleus, the cno cycle can only operate at the higher temperature and density provided by the more massive stars

    但因碳原子核帶的電荷是氫原子核的六倍碳氮氧循環需要只有質量大星體所能提供的較高溫度和壓力才能維持。
  3. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。
  4. Plastics - determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved

    塑料.通過測量呼吸計中的需氧量或放出的二氧化碳量測定土壤中的最大需氧生物降解能力
  5. Quicklime with a high content of available lime, i. e. a low content of residual co

    含高成分有效石灰的生石灰，即低含量的殘留二氧化碳和其它雜質是需要的。
  6. Organic pollution of river water is measured by three parameters, namely 5 - day biochemical oxygen demand, chemical oxygen demand, and total organic carbon

    水中有機污染含量是透過三項參數計量：五天生化需氧量化學需氧量及有機碳總量。
  7. Reducing emissions of carbon dioxide, however, is another matter

    然而，減少二氧化碳的排放量則需另闢蹊徑。
  8. America ' s south - western deserts are an abundant source of sunshine that could meet the country ' s power needs several times over without releasing a molecule of carbon dioxide

    真正的原因在於，美國西南的沙漠地區有取之不竭的陽光，足可提供全國電力需求總量的幾倍，而且不會散發一個二氧化碳的分子。
  9. For instance, to translate energy use into land units, wackernagel and his colleagues calculated the area of forests that would be needed to absorb the carbon dioxide produced in generating the energy

    例如威克那格與同事為了將人類的能量消耗量轉換成土地單位，就假定供應能量需求所產生的二氧化碳需要樹木吸收，這樣就能用森林面積做為永續力的指標了。
  10. A government spokesman said the tax would have long term benefits for the economy : " if new zealand does nothing. . our emissions will continue to rise as will the future cost of reducing them

    政府發言人表示，二氧化碳稅對紐西蘭經濟有長遠的好處：如果紐西蘭現在不加以管制，二氧化碳排放量將會不斷上升，未來要降低排放量所需的費用也會更高。
  11. Ice cream lovers can help fight global warming by seeking out ice creams flavoured with local berries, fruits and nuts, an italian farmers " group says. papaya ice may be nice, but it takes 5. 4 kg of oil - with the attendant co2 that releases into the atmosphere - to transport one kg 2. 2 lb of the fruit from argentina to rome, coldiretti said in a statement over the weekend

    據路透社4月23日的報道，這家名為coldiretti的團體于上周末在其發表的一份聲明中指出，木瓜冰淇淋也許真的非常好吃，但要將1公斤2 . 2磅此種水果從阿根廷運到義大利首都羅馬來則需要消耗掉5 . 4公斤石油，與此同時，還會有大量的二氧化碳被排放到空氣中，而這種氣體已經被視為導致全球氣候變暖的主要罪魁禍首之一。
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