Daohai Zhang

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Emergency is an important factor resulting in supply disruption risk. How to deal with emergency in supply chain arouses managers’ and researchers’ attention in recent years. In order to improve the effect of supply disruption risk management under this situation, this paper builds the supply disruption Emergency Management Model of supply chain from the(More)
This paper analyzes systematically widespread problems about the most of bus stop boards existing in domestic ordinary, which include incomplete bus information in one area, lack of traffic information about the city and low humanity. In view of these problems,the paper proposes conceptual design of anew bus stop board on the basis of control ability and(More)
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