Based on the principles of physical, optics, the author has derived a formula for the calculation of the angle of rotation D, when transmitted polarized light p
It is indicated by radiocarbon dating and sporo-pollen analysis of some Holocene sediments from southern Liaoning that the so-caned “Takushan Peat Bed” may be
The possibility is explored of using the characteristics of n-alkane distribution as an indicator of oll generating rocks and as indices for some other interest