Scram Incidence Statistic Survey in a Research Nuclear Reactor Considering System Hardware And Human Errors

ABSTRACT One of the major events in nuclear reactors is scram or immediate emergency shutdown. Qualitative and quantitative study of this event, as well as the main causative factors in evaluating reactor safety is an important point. In this study, safety of Tehran research reactor is assessed probabilistically and the human error possibility is evaluated using SPAR-H method. In this regard, scram fault tree associated with hardware failures and human errors are drawn by using SAPHIRE software. The calculated total scram possibility is found to be 1.0E-2

Cohort profile update: Tehran cardiometabolic genetic study

The Tehran cardiometabolic genetic study (TCGS) is a large population-based cohort study that conducts periodic follow-ups. TCGS has created a comprehensive database comprising 20,367 participants born between 1911 and 2015 selected from four main ongoing studies in a family-based longitudinal framework. The study's primary goal is to identify the potential targets for prevention and intervention for non-communicable diseases that may develop in mid-life and late life. TCGS cohort focuses on cardiovascular, endocrine, metabolic abnormalities, cancers, and some inherited diseases. Since 2017, the TCGS cohort has augmented by encoding all health-related complications, including hospitalization outcomes and self-reports according to ICD11 coding, and verifying consanguineous marriage using genetic markers. This research provides an update on the rationale and design of the study, summarizes its findings, and outlines the objectives for precision medicine