closed system


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closed system

n.
A physical system that does not interact with or receive input from other systems, especially one that obeys conservation laws.
References in periodicals archive ?
launch of the Arisure Closed System Transfer device, which consists of several components that work together to help prevent contaminants from entering the intravenous (IV) medication delivery system and the escape of hazardous substances out of the system during drug preparation and administration.
In a closed system model, new job arrivals are only triggered by job completions [3].
Cole-Parmer has introduced the PBI Shredder SG3, a device that creates a closed system to safely prepare samples.
The 2-D multiplate design of the bioreactors offers the same cell environment as standard multitray technology, but adds the benefit of a closed system for increased protection from potential contamination.
entropy (often conceived of as disorder) decreases over time in a closed system.
Omega has the right to co-brand the closed system IDS-iSYS instrument for allergy testing with its Allersys brand image.
VWR disposable tissue grinders feature a closed system that enables a specimen to be ground in a sealed container, helping to prevent contact with the sample.
A closed system to prevent contaminants from penetrating into the stopcock fluid path, reduces the risk of bloodstream infections (DSS).
The earth is not a perfect closed system, but for the purpose of your argument, it is a closed system.
Wu (US Naval Academy-Maryland) profiles 10 types of heat engines that use gas as the working fluid in a closed system model.
The Slurry Trap is a 20 gallon closed system that vacuums concrete/asphalt slurry, traps it in a reusable filter bag, and then pumps the filtered water back to the bit / blade for cooling.
Centralized distribution in a closed system minimizes routine material handling and adhesive contamination inherent with manual filling methods.