How important is oxygen transport in agglomerates in a PEM fuel cell catalyst layer?PEMFC cathodeOxygen diffusionagglomerateWe derive analytical solution for the polarization curve of the cathode catalyst layer (CCL), taking into account oxygen transport in agglomerates of carbon particles. The solution...
Water will continue to be what 主句主语 主句谓语 表语从句引导词 it is today 从句主语 从句系动词 从句状语 next in importance to oxygen. 介词短语 宾语 句意:如今,水的重要性依然仅次于氧气。分析 句子成分可知,be后面为表语从句。从句中is 后面缺少表语,故what符合题意。
Trees are very important in our daily lives. They help us in many ways. Trees keep the air cool and clean. They take in harmful gases and produce oxygen for us to breathe. They help us fight against air pollution. Trees provide us with a lot of things. A lot of furniture is made ...
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. ...
可以怎样保护树木英语作文 How to Protect Trees。Trees are one of the most important resources on earth. They provide us with oxygen, shade, and beauty. However, due to deforestation, pollution, and other human activities, trees are disappearing at an alarming rate. It is our responsibility to ...
The Earth Is Heating Up greenhouse gases‚ is a veryimportantfactor in the vital cycles which sustain life on this planet‚ plants use carbon dioxide in photosynthesis and release oxygen necessary to maintain the lives of animal species‚ who through exhaling return carbon dioxide in atmosphere...
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 D 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 答案见上【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,并且这个引导词的意思是“.的状况”。 反馈 收藏 ...
The final step once you have finished using your oxygen cylinder is to turn it off. It is very important to turn off your oxygen cylinder when you are finished using it. Use the cylinder wrench or attached toggle to turn the cylinder valve clockwise until completely off or closed. ...
is healthy, you can help prevent these things from happening. A healthy brain will continue to be elastic and able to learn new things well into your old age… as long as you do what you can to help it get what it needs to stay healthy. Mental health is just as important as ...