Endothelial dysfunction,caused by declining impact of endothelium-derived relaxing factors and/or exaggerated production and activity of endothelium-derived contracting factors in the vascular wall,is the common conse...Endothelial dysfunction,caused by declining impact of endothelium-derived relaxing factors and/or exaggerated production and activity of endothelium-derived contracting factors in the vascular wall,is the common consequence of diabetes and hypertension.The degree of endothelial dysfunction predicts future cardiovascular outcomes.We have examined the cellular mechanisms involved in展开更多
Escalator is a vehicle related to people's daily life closely while it incurs safety problems frequently.Therefore,developing a new methodology for escalator safety assessment is very important.In this paper,the r...Escalator is a vehicle related to people's daily life closely while it incurs safety problems frequently.Therefore,developing a new methodology for escalator safety assessment is very important.In this paper,the related suitable risk analysis models for the escalator overturned accident were proposed on different risk management stages.Firstly,field of the escalator was surveyed and information was collected to identify the danger sources.Secondly,a safety assessment process was done for escalator risk evaluation.Then the dangerous levels were devised based on the LEC evaluation method.According to the results,targeted management measures suggestions and effective safety strategy were proposed finally to solve the escalator overturned problems.The practice has proven that the safety assessment method in this paper is convenient,efficient and effective,which helps to improve the elevators safety level in China and supports the government management.展开更多
文摘Endothelial dysfunction,caused by declining impact of endothelium-derived relaxing factors and/or exaggerated production and activity of endothelium-derived contracting factors in the vascular wall,is the common consequence of diabetes and hypertension.The degree of endothelial dysfunction predicts future cardiovascular outcomes.We have examined the cellular mechanisms involved in
文摘Escalator is a vehicle related to people's daily life closely while it incurs safety problems frequently.Therefore,developing a new methodology for escalator safety assessment is very important.In this paper,the related suitable risk analysis models for the escalator overturned accident were proposed on different risk management stages.Firstly,field of the escalator was surveyed and information was collected to identify the danger sources.Secondly,a safety assessment process was done for escalator risk evaluation.Then the dangerous levels were devised based on the LEC evaluation method.According to the results,targeted management measures suggestions and effective safety strategy were proposed finally to solve the escalator overturned problems.The practice has proven that the safety assessment method in this paper is convenient,efficient and effective,which helps to improve the elevators safety level in China and supports the government management.
