The other three are water, methane and oxygen - and now oxygen is the only one left to be observed in the atmosphere of a planet outside the Solar System.
另外三个生命标志是水、甲烷和氧气，然而现在只有氧气还未在太阳系之外的行星中被发现。
The system has been used to determine and control the amount of dissolved oxygen of water in the aquiculture successfully.
该系统成功地应用于渔业养殖水中溶解氧的测定和控制。
It becomes a noticeable problem gradually How to control in reason the oxygen lance cooling-water supply system, making it work always in the best economy energy.
如何合理控制氧枪冷却供水系统，使其始终工作在最佳节能状态成为一个值得重视的问题。
The oxygen -corrode of boiler and circulating water system is the most serious in the all kinds, there fore, the deoxidize process is the most importance measures to water supply.
锅炉和循环水处理系统的氧腐蚀是各种腐蚀中最严重的一种。因此，对给水进行除氧处理应该是最有效的防止腐蚀的方法。
The Sabatier system can create up to 530 gallons of water per year from by-products of the station's Oxygen Generation System and Carbon Dioxide Removal Assembly.
萨巴蒂耶“系统与空间站的废水收集系统整合在一起，每年大约可以生成530加仑水。
Then is promoted dirty water into wastewater treatment system by the pump, that system has anoxia pond, good oxygen pond, precipitates pond and disinfects pond, dirty mire pond to constitute.
然后由泵将污水提升入污水处理系统，该系统有缺氧池、好氧池、沉淀池、消毒池、污泥池组成。
Oxygen removal from boiler water supply system is an important way to prevent corroding.
锅炉给水除氧是防止热力系统腐蚀的重要方法。
The invention relates to a system and an application which can precisely control the content of dissolved oxygen in water.
本发明涉及一种可精确控制水中溶解氧含量的系统及应用。
The invention relates to a system and an application which can precisely control the content of dissolved oxygen in water.
本发明涉及一种可精确控制水中溶解氧含量的系统及应用。
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