Beginning of the twentieth century was marked by coinage of a new rock name, Charnockite, first described as a hypersthene-bearing granite from Southern India.
<正>Cellulose is the most abundant natural polymer,and has played an essential role in human civilization as major component of timber,cloth and paper.Even afte
Currently, most industrial materials rely entirely on passive protection mechanisms;such me chanisms are readily applicable and universal for many different mat
A rapid, sensitive and accurate liquid chroma-tographic tandem mass spectrometric method is described for the determination of Mimosine in Mimosa pudica Linn. w
A femur fragment with an Early Lutetian (early Middle Eocene) age is the world’s oldest fossil record from a seal, and, is described as Praephoca bendullensis
Keban magmatics consist of plutonic rocks of acidic and intermediate compositions with diffe rent phases. They are the equivalent of surface rocks. In the curre