healthy hire effect (hhe) is considered as an epidemiological phenomenon, complicating the assessment of a true cause - effect relationship between occupational exposure and health status of workers. the current study was aimed at identification and elimination of hhe in the risk assessment of arterial hypertension (ah) in coal miners. overall, 1553 miners, working in west siberia, were enrolle...

every year, for realizing the goals of five-year state civil development plan, a great part of state credits and financial resources are spent for investment in national projects, whilst most of national projects are performed with considerable delay. essential objectives of applying this research is design and explanaion of national projects managers’ competencies model, focusing on risk that ...

Radio Frequency Identification is regarded as the most cutting edge technology for the optimization of supply chain processes in recent years. Researchers of supply chain management have often suggested that the measurement of RFID benefits is very important. This research investigated how the different levels of a multi-level supply chain dynamically behave under the impacts of RFID applicatio...

In this paper, a real-coded genetic algorithm is proposed for identification of time delay systems from step responses. FOPDT (First-Order Plus Dead-Time) and SOPDT (SecondOrder Plus Dead-Time) systems, which are the most useful processes in this field, but are difficult for system identification because of a long dead-time problem and a model mismatch problem. Genetic algorithms have been succ...

Animal identification by means of marking animals’ bodies was first recorded 3,800 yr ago in the Code of Hammurabi, and throughout history, valuable animals such as horses have been identified to prevent thievery all over the world. Today, the reasons for identification of livestock include production management, control of disease outbreaks, establishment of ownership, requirements for export,...

There are many risks involved in the process of establishing a dynamic alliance of logistics enterprises. This paper analyses risks during the life cycle of the alliance, studies the identification and evaluation process, and sets up a risk identification and evaluation system of dynamic alliance enterprises. Finally, proposes an integration of the risk identification and evaluation systems and...

background: in the refractory brick manufacturing industry, because of the high risks associated with the level of dust in the factory environment and thermal stress, a precise identification of industrial hazards is required as a part of safety analysis. the aim of this study was to introduce a preventive approach to risk identification and assessment in the refractory brick production line.  ...