初三化学煤块经粉碎处理后在空气中燃烧的更快更充分是因为
人气:211 ℃ 时间:2019-08-22 16:21:46
解答
煤块经粉碎处理后成为煤粉,煤粉与氧气结合的更充分,并且降低一氧化碳排放,并且使煤的残余率降低,节省成本
推荐
猜你喜欢
- what do english -speaking people usually have for breakfast
- Sarah went home after the rain stopped(改为同意句)
- 四棱锥P-ABCD中,PA垂直于面ABCD,AB=4,BC=3,AD=5,角ABC=角DAB=90°,E为CD中点,
- 饲养场の鸡比鸭少480只,鸭比鸡多四分之一,一共有鸡鸭多少只
- 一本书稿90000个字,甲乙合打甲打字速度是乙的1 ·5倍,如果5小时全部打完,甲乙每分钟各打多少字?
- f(x)=log(x-1)为底的(3-x)次方 函数定义域
- 若|a-b+1|与a+2b+4互为相反数,则(a+b)2004=_.
- the car engine started making strange noises,but luckily the car managed to hold_ until I got home