[1]) defines a safety instrumented system (SIS) as an "instrumented system used to implement one or more safety instrumented functions. A SIS is composed of any combination of sensor(s), logic ...

A system that protects a manufacturing or operating process. Conforming to the IEC 61511 or 61508 standards, such a system is designed to shut itself down or change to a reduced operational state ...

The following resources are intended to provide professional development opportunities for the total Army. As we remain committed to an all-volunteer Army that is the most decisive land force in ...

These in-depth car reviews use the results of hundreds of practicality, visibility, fuel-economy, and performance tests to show how a vehicle stacks up. A '55' badge does not appear on the car ...

Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re ...

The documents developed by ISA84 will cover the activities involved in the design, operation and maintenance of instrumented systems, from sensor through final element, used to achieve functional ...

If you own a business and work with clients, it’s a good idea to purchase professional liability insurance. Professional liability insurance, also called errors and omissions (E&O) insurance ...

Safety Instrumented Systems: A Lifecycle Approach (EC50) focuses on the engineering requirements for the specification, design, analysis and justification of safety instrumented systems (SIS) for the ...

The involvement of noncoding mRNAs in many regulatory processes, their abundance, and their diversity of functions has led to the hypothesis that an "RNA world" may have preceded the evolution of ...

The collection of proteins within a cell determines its health and function. Proteins are responsible for nearly every task of cellular life, including cell shape and inner organization ...

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