A revised plane wave expansion method for quickly calculating the band structure of photonic crystals of pixel type is used to design a photonic crystal of square lattice with a large absolute band gap at high frequency.

Relative Viscosity and Absolute Viscosity of Size;

On the Relatively "Absolute"——From Kant s Noumenon;

Objective: To study the absolute bioavailability and drug concentration in local tissue of a long released diclofenac sodium patch.

The connotations of the Absolute and the Relative and their relationship;

Examples of the absoluteness include the principle of invariance for velocity of light, the principle of special relativity, the principle of general relativity, eigenlength, eigentime, Minkowski four dimensional space-time.

Then, it points out that the law system of exclusiveness of mining rights with unified relative exclusiveness and absolute exclusiveness.

“Shaowei”is the relative adverb of degree but “Youdian”is the absolu te adverb of degree(“Relative”means it can be used when compared with two or more things.

The methods of species diversity measurements that contained absolute abundances are introduced.