The paper begins by outlining the role and importance of coal as a source of energy and in the steel industry. It briefly describes the longwall method of working together with the conventional machinery used in the method. A mathematical model is then proposed that shows the relationship between the gradient of the coal seam, that of the face and the entries to the panel. Determination of a mo...

the rise of political islam and islamism in muslim countries cause a pervasive & contestable controversy among western scholars. today islam has been identified with activism, radicalism, fundamentalism, and etc. yet, there are many questions being propounded; such as, what is political islam? why islamic movements acted against interest of the west? why islamism constructed against the west? t...

In a postmodern world which is extremely dynamic and anchored in communication that requires online accesses almost all fields, the training preparation of young generations required to be carried out such way acquisition practical skills should reflected their future activities. Along with other forms training, physical defining part those who are military environment. There various aspects wh...