In this paper, the problem of the entropy increase or decrease of the exploit of the mineral resources and the relationship between entropy and natural value are discussed.

Food fortifier "means any natural or artificial food additive belonging to the category of natural nutrients that is put into food to increase its nutritive value."

With the increase of extra-long tunnel construction, obviously, the empirical value can not keep up with the actual. So it needs to work out a method for natural wind computation.