oxygen demand

基本解释

• 需氧量

英汉例句

双语例句

• 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、化学需氧量排放量减少的势头得到巩固，全年分别下降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.
  科学家甚至还观察过深海的虎头海狮，当其迁入深海之后，其血液流动会促使一些非关键的身体器官关闭，并且减少氧气的供给。
• 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，水质43.7%的化学需氧量（测量水质有机化合物的主要指标）、67%的含磷量和57%含氮量应归咎于农业。

权威例句

• 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

• oxygen demand更多例句

词组短语

短语

• oxygen supply demand balance 氧供需平衡
• oxygen n demand 需氧量
• biological oxygen demand 生物需氧量;生物的氧气需要量;生物耗氧量;化学需氧量
• COD Chemical oxygen demand 化学需氧量;化学耗氧量;化学的氧要求量
• biological control oxygen demand 生物耗氧量

• oxygen demand更多词组

专业释义

环境科学技术

• 需氧量

  As for water pollution,chemical oxygen demand（COD）is an important measure of organic pollution in water.
  在水污染监测中,COD,即化学需氧量,是衡量水体有机污染的重要指标。

  医药科学

• 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:过度运动或超负荷体力劳动时心肌需氧量增加,而使冠状动脉相对供血不足,导致心脏发生相对缺血/再灌注损伤,其病理生理过程与缺血/再灌注损伤类似。

  心理学

• 氧气需要量