This research was in part supported by The National Key R&D Program of China(2018YFC0807803);The National Natural Science Foundation of China(41402143,50490271,and 40672104);Joint Fund of Coal(U1261203);Science and Technology Major Project from Shanxi Province(MQ2015-02).
A quantitative analysis of the porosity,pore size distribution,and fractal dimensions of pores is significant for studying the pore structure characteristics of coal.This study utilized 12 anthracite coal samples from...
This work is supported by the National Natural Science Foundation of China (No.50490271) and the Program for Changjiang Scholars and Innovative Research Team in University of MOE (No.IRT0408).
This paper theoretically advances a new method to establish population inversion between energy levels of pure 87Rb atom without buffer gas driven by appropriate laser fields. With the help of density matrix equation ...