Dissolved oxygen (DO) refers to the concentration of oxygen gas incorporated in water. Oxygen enters water by direct absorption from the atmosphere, which is enhanced by turbulence (see Figure 1). Water also absorbs oxygen released by aquatic plants during photosynthesis. Sufficient DO is essential...
There is also provided an apparatus for adding oxygen to the water, and added space which is sealed including a water inlet, the inlet oxygen, turbulence mixers of one or more, the invention has been oxygenated I related to those having an outlet for the water (3).テイラー ダリル エ...
Water will continue to be it is today-next in importance to oxygen. A. how B. which C. that D. what 相关知识点: 试题来源: 解析 【答案选D]句意:水在将来还是今天的状况 — —其重要性仅次于氧气。空格处缺少一个表语从句 引导词,并且这个引导的意思是 “ …的状况” 。
Water will continue to be ___ it is today—next in importance to oxygen.A. how B. which C. as D. what 相关知识点: 试题来源: 解析 Dwhat可以用来引导表语从句,如:One hundred and forty pounds was what I used to weigh.我过去重140磅。反馈 ...
A very simple way to add oxygen to the pond is to add an air pump. Sitting at the side of the pond, it will pump air through a small hose to an air stone and bubbles will enter the water. When the bubbles break the water's surface oxygen will then be added. How long can fish...
aThe grain weight increased when the crop was applied with inorganic fertilizers or crop residues as compared to crop applied with no crop residue or inorganic fertilizer. 当庄稼应用了与无机肥料或庄稼残滓与庄稼比较应用没有庄稼残滓或无机肥料,五谷重量增加了。[translate] ...
a出口巴西里约热内卢州 Exporta o estado Brazilian de Rio de Janeiro[translate] ahow many oxygen or hydrogen atoms are there in each molecule of your acid or base when it is dissolved in water 多少氧气或氢原子是那里在您的酸或基地每个分子,当它在水中被溶化[translate]...
Water will continue to be( )it is today—next in importance to oxygen. 问题1选项 A. how B. which C. as D. what 相关知识点: 试题来源: 解析 [答案]D [解析]考查语法。后面破折号的内容是对前一句做进一步的补充说明,空格处所在句子为表语从句,所填词引导表语从句且在句中做宾语。故D项正确。句...
这个句子的主语是water,谓语是will continue to be,表语是what it is today,补语是next in importance to oxygen.what 在句子中表示"什么的样子"就像She is no longer what she was ten years ago.她不再是十年前的样子了.as 不能引导表语从句.而how 是作状语,表示怎样.which指哪一个,要在一定范围内. ...
If you are unsure of whether oxygen is flowing, you can test it by placing the nasal prongs (cannula) in a glass of water. If you see bubbles, the oxygen is flowing. How to Turn Off an Oxygen Tank The final step once you have finished using your oxygen cylinder is to turn it off...