oxygen level造句

• Scientists are not certain why the oxygen level dropped .
  科学家们现在还不能断定为什么含氧量会下降。
• Officials say air samples show oxygen levels that can support life
  官方表示空气样本中显示的氧气的含量能维持生命。
• Officials say air samples show oxygen levels that can support life
  政府说空气样本证实现有的氧气含量可以支持生命。
• Q . why are high dissolved oxygen levels better than air sparging or orc
  为什么高的溶解氧浓度比空气喷射或orc更好？
• Officials say air sample show oxygen level that can support life
  官方人士称空气样本显示那的氧气能够支持生命的延续。
• Officials say air example shows oxygen levels that can support life
  官方表示：空气取样表明这里的氧气含量足以支持生命的存在。
• Officials say air samples show oxygen levels that can support life
  有关负责人称，地下的空气样本显示那里的氧气水平足以保证生存。
• 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
  人们认为，监测胎儿血氧水平这种新技术，可以更准确地表明哪个胎儿真正有危险。
• A large government study has concluded that monitoring fetal oxygen levels during labor does not lead to healthier newborns or reduce unnecessary caesarean deliveries
  一项政府大型研究得出结论，在分娩过程中监测胎儿血氧水平对分娩更健康的宝宝、或降低不必要的剖腹产毫无益处。
• 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
  这些层次分明的岩种，暗示著休伦冰期恰好发生于大气中的氧气浓度初升之际。
• 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
  腹泻可能是由于水土不服或食物不新鲜而造成，其他飞行时差的病徵还有眼睛感到乾涸、肌肉赤痛，这些都是由于机舱内乾燥，没有足够流通的氧气，及飞行中缺乏伸展机会等问题造成。
• 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
  另外政府所推行的吐露港污水输出计划也使观塘避风塘的溶解氧逐步提高。吐露港污水输出计划是将吐露港区内经沙田及大埔污水处理厂处理过的污水经管道通至观塘避风塘上游的启德明渠排放，从而增加了明渠的流量，也提高避风塘的溶解氧水平。
• 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
  认为螺旋藻细胞不但能进行光合自养和混合营养生长，而且在某些特定的环境条件下，还能进行异养生长；光照强度、光质、温度、金属元素、稀土元素、盐度、藻体细胞浓度、溶氧水平、维生素、激素和磁场等环境因素对螺旋藻细胞的光合性能和细胞产率都有显著影响。