Theoretical analysis and experimental results demonstrate the functions base on dual turn-on and dual turn-off of the bidirectional IGBT are good, the dual turn-off plan raised, not only reduces the tails of current effectively, but also can improve operating frequency of the bidirectional IGBT.

Based on harmonious ideas and from the theory of stakeholder,the basic strategy for managing Chinese taxi industry at present lies in changing double monopoly management system and coordinating the relation between the stakeholders such as governments,taxi enterprises and individual managers and consumers to push forward benefit equilibrium and to realize harmonious transportation.

Influence of Ethics Education on Ethical Beliefs of Dual Relationship of Trainees Attending Training of Psychological Consultation

Starting from the limitations imposed by NASW(National Association of Social Workers) Code of Ethics of the United States on the relationship between the social worker and his/her client,this paper gives a complete introduction to the definition and categories of dual relationships and offers some suggestions about how to deal with dual relationships.