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oxygen level造句

"oxygen level"是什么意思  
  • Scientists are not certain why the oxygen level dropped .
  • Officials say air samples show oxygen levels that can support life
  • Officials say air samples show oxygen levels that can support life
  • Q . why are high dissolved oxygen levels better than air sparging or orc
  • Officials say air sample show oxygen level that can support life
  • Officials say air example shows oxygen levels that can support life
  • Officials say air samples show oxygen levels that can support life
  • Oxygen levels of 23 % can be reached very quickly and all personnel must be aware of the hazard
    含氧量23 %是可以非常迅速地达到的,所有人都必须意识到这种危险。
  • New technology that measures oxygen levels in the blood of a fetus was thought to offer a better way to tell which babies were truly at risk
  • A large government study has concluded that monitoring fetal oxygen levels during labor does not lead to healthier newborns or reduce unnecessary caesarean deliveries
  • It's difficult to see oxygen level in a sentence. 用oxygen level造句挺难的
  • This hematite is gray , however , because the grain size is larger . ) the layering of these distinct rock types indicates that the huronian glaciations occurred precisely when atmospheric oxygen levels first rose
  • Because the resulting o2 concentration of 7 vol % is to close to the required concentration of o2 we have to do this twice times to get an oxygen level in the range of 2 to 3 %
    因为氧气的体积浓度为7 % ,接近燃烧所需要的氧气浓度值,所以必须进行两次这样的操作,使用氧气浓度范围为2 - 3 % 。
  • Seven - eleven japan officials said the idea is to allow buyers to replenish their oxygen levels any time they feel a lack of fresh air due to stress , fatigue , or other factors , the mainichi shimbun reported tuesday
    据路透社5月16日报道,日本著名的seven - eleven便利店集团将于本月末在东京地区的便利店出售一种罐装氧气且6月将扩大到全国销售。
  • But it wasn ' t clear whether this is due to reduced oxygen levels at high altitude or because their mothers are under - nourished ? many people who live at high altitudes are relatively poor compared with those living lower down
    但是还不清楚这是由于在高海拔的地方氧气不足,还是由于他们的母亲没有获得足够的营养? ?许多住在高海拔地方的人相对都比住在低处的人穷。
  • Diarrhoea can also be caused by strange or poor food quality . other symptoms , such as dry eyes , and muscle aches are more likely to be the result of low oxygen levels in the plane cabin , dry atmosphere and lack of exercise
  • In the case of the kwun tong typhoon shelter , improved levels of dissolved oxygen have arisen both because of the epd s ongoing efforts to reduce the discharge of wastewater into it , and because of the government s tolo harbour effluent export scheme , in which relatively clean treated effluent has been piped from the sha tin and tai po sewage treatment works in the tolo harbour area and released near the kwun tong typhoon shelter , raising oxygen levels in the water and improving water flow
  • It indicated that not only can spirulina cells grow photoautotrophically and photomixtrotrophically , but also can grow heterotrophically under some specific conditions . light intensity , light quality , temperature , species and concentration of metals , rare earth elements and vitamins , salinity , cell concentration , dissolved oxygen level and magnetic filed etc . , all play important roles in photosynthetic performance and cell productivity of spirutina
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