The thesis aims to study the moral values of the classical realism theory in international relationships from the respective of the four realism scholars: Machiavelli, Karl, Niebuhr and Morgenthau, interpreting the major contents and views on realism morals, thus illustrating the inheritance and relevance of the moral values of them.

with emphasis on the feeding system and the Kaldo furnace system as well as the primary equipment.

The process of copper scrap treatment using the largest Kaldo furnace in the world at present and the technology of relevant equipment,involving loading dumper,rail car,fugitive gas hood,lance and offtake stack etc.

The paper presents the performance of smelting process of copper scraps by imported Kaldo furnace on the basis of 300 kt/a copper production in Guixi Copper Smelter,JCC as well as advantages and disadvantages of such Kaldo furnace type for treating scraps.

Properties of coal powder are comprehensive evaluated according to Carr index standard method.

Descartes ray and character of round-section fibers;

Later, the angle decreases again, the ray of the maximal included angle position is called the Descartes ray.

But skin-core structure and the Descartes ray of internal surface reflection haven’t been involved.

In this paper, by using Large-Eddy Simulation method, the flow fields and the Karman vortex intensities of cable with water rivulet at different positions are analyze.

This paper analyzes the master plan and itspractice of Calgary drawn by Thomas H.