1.Trees and grass are a far more efficient—and less expensive—method of managing stormwater than sewers and drainage ditches made of concrete. save a lot of money 省下许多钱 reduces stormwater runoff 减少雨水径流 increased air quality 提高空气质量 2.Parks can...
Facebook Twitter Google Share on Facebook defog (redirected fromdefogs) Thesaurus de·fog (dē-fôg′, -fŏg′) tr.v.de·fogged,de·fog·ging,de·fogs To remove condensed water vapor from:defog a windshield. de·fog′gern. American Heritage® Dictionary of the English Language, Fifth ...
图4水蒸气对PA分子链间距的影响Fig.4Effect of water vapor on chain spacing of nylon molecules 不同加水量对P64相对黏度的影响见表2。从表2可以看出,加水量与设备的体积比由0增加到1∶200时,共聚物的相对黏度由2.34提高到2.93。但是,当体积比...
A home would become an actual ecosystem, a community of plants, animals, and bacteria working together. The trees would also give off water vapor that would assist in【cooling】 the homes. Solar panels and wind would help provide energy. The tree homes might even have soil pockets, where pl...
Urea is a chemical compound that, when injected into the exhaust stream of a diesel engine, helps convert NOx emissions into harmless nitrogen and water vapor. The chemical reaction that occurs in the SCR catalyst chamber breaks down the NOx gases, significantly reducing their environmental impact....
When injected into the exhaust stream of the engine, DEF undergoes a chemical reaction with nitrogen oxides (NOx) present in the exhaust gases. This reaction takes place within the SCR catalyst, breaking down nitrogen oxide molecules into harmless nitrogen gas and water vapor. This chemical reactio...
71.What is the name of the famous American holiday celebrated on the last Monday of May? A. Memorial DayB. Labor DayC. ThanksgivingD. Independence Day答案:A 72.My dog loves to dig in the ___ (土壤). 73.What is the term for water vapor in the air? A. HumidityB. Precipitation...
Diesel exhaust fluid (DEF) is injected into the exhaust stream, where it chemically reacts with the nitrogen oxide (NOx) gases. This reaction converts the nitrogen oxide components into nitrogen gas (inert and harmless), water vapor, and a small amount of carbon dioxide (which is less harmfu...
When injected into the exhaust stream with a specialized dosing module, DEF's water vaporizes, leaving ammonia molecules en route to the catalytic converter; once there, it converts NOx molecules into harmless nitrogen and water vapor-making for cleaner emissions. Making sure ...
Temperature: The temperature isa measure of the warmth or coolness of the air. Humidity: The humidity is a measure of the amount of water vapor in the air. Wind speed: The wind speed is a measure of the speed of the wind. Wind direction: The wind direction is a measureof thedirection...