Aiming at path planning problem Wyoming of the unstructured environment attributions for roadheader roadway this paper analyzes the attributes and behavior constraints of unstructured environments,and a dynamic random grid network model with constraint information was defined(C-G Net).The minimum cost modeling method was proposed by optimization of

The flux switching permanent magnet motor is a kind of double-salient machine with good speed regulation performances and application prospects.However, in traditional sub-domain models which are used to exactly calculate the magnetic field of the flux switching permanent magnet motor, the orders of major harmonics can not be intuitively obtained.T

The United States is one of the countries with a strong emphasis on foreign aid strategy in foreign policy.This strategy has continued with ups and downs since World War II and has spanned many countries.A review of US aid to Pakistan shows that the country has experienced many ups and downs in the past decades based on geopolitical relations and n

In Vitamin E last years, there has been a multitude of studies on doping, such as in recreational and in amateur sport.The extent of this phenomenon was clarified for special populations (like e.g.bodybuilders) and for special substances (mostly for anabolic steroids).Doping is present in sportsmen and women; the reasons why may be many and various

Despite the increase of seminary training, Black clergywomen continuously undergo subjugation, degradation, and humiliation in ministry leadership due to gender and race bias by clergymen.This article reports the findings of a qualitative study that examined the experiences of Black clergywomen regarding obstacles in ministry leadership and how the