oxygen demand

基本解釋

• 需氧量

英漢例句

雙語例句

• Sulfur dioxide emissions and chemical oxygen demand kept falling, down 5.95% and 4.42% respectively, and this trend became more firmly set.
  二氧化硫、化學(xué)需氧量排放量減少的勢頭得到鞏固，全年分別下降5．95％和4．42％。
• Scientists are also eying the Steller sea lion, which redirects blood flow away from non-critical organs during deep sea dives and reduces oxygen demand.
  科學(xué)家甚至還觀察過深海的虎頭海獅，當(dāng)其遷入深海之后，其血液流動(dòng)會促使一些非關(guān)鍵的身體器官關(guān)閉，并且減少氧氣的供給。
• According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges
  研究表明，水質(zhì)43.7%的化學(xué)需氧量（測量水質(zhì)有機(jī)化合物的主要指標(biāo)）、67%的含磷量和57%含氮量應(yīng)歸咎于農(nóng)業(yè)。

權(quán)威例句

• China also missed its target for chemical oxygen demand, a measure of water pollution.
  FORBES: Ending China Pollution An Uphill Battle
• Hypothermia is a rotten way to slow the brain's demand for oxygen.
  FORBES: Brave Heart

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詞組短語

短語

• oxygen supply demand balance 氧供需平衡
• oxygen n demand 需氧量
• biological oxygen demand 生物需氧量;生物的氧氣需要量;生物耗氧量;化學(xué)需氧量
• COD Chemical oxygen demand 化學(xué)需氧量;化學(xué)耗氧量;化學(xué)的氧要求量
• biological control oxygen demand 生物耗氧量

• oxygen demand更多詞組

專業(yè)釋義

環(huán)境科學(xué)技術(shù)

• 需氧量

  As for water pollution,chemical oxygen demand（COD）is an important measure of organic pollution in water.
  在水污染監(jiān)測中,COD,即化學(xué)需氧量,是衡量水體有機(jī)污染的重要指標(biāo)。

  醫(yī)藥科學(xué)

• 需氧量

  ABM: The oxygen demand of myocardium increases acutely during excessive exercise and labor. Consequently blood flow in coronary arteries is relatively defcient, which results in relative ischemia/reperfusion injury.
  目的:過度運(yùn)動(dòng)或超負(fù)荷體力勞動(dòng)時(shí)心肌需氧量增加,而使冠狀動(dòng)脈相對供血不足,導(dǎo)致心臟發(fā)生相對缺血/再灌注損傷,其病理生理過程與缺血/再灌注損傷類似。

  心理學(xué)

• 氧氣需要量