Antiseismic property of telecommunication equipment is very important for the grasp of the damage and the restoration after earthquake. Telecommunication business operators are regulating seismic standard for their equipments. These standards are organized to simulate the real seismic situations and usually define the minimum value of first natural frequency of the equipments or the allowable m...

background :  nosocomial infections are considered as health issues that affect developed and poor countries. these infections can be transmitted to patients through hospital environment and equipments. the aim of this study was to evaluate the prevalence of gram-negative bacilli in the environment and the equipments of hospitals in the east of golestan province in 2015.  methods :  in this stu...

In order to Investigate the knowledge and usage of personal protective equipments with 290 workers interviewed who were employed in 200 welding shops in Kerman. The data were recorded in a questionnaire. The results showed that in respect to personal protective equipments  31.4℅ had low knowledge, 50.3℅ medium knowledge and 18.3℅ good knowledge. Hand shieldwelding , safety goggles, clothes and ...

On the basis of analyzing the relationship between the equipment system and spare parts inventory, this paper proposes two-level equipment and spare parts system management based on the Theory of Constraints. From the system point of view and according to the Theory of Constraints, the manufacturing organization identifies bottleneck equipments in equipment system and makes the bottleneck equip...