The phrase "a sealed system" is correct and usable in written English.
It can be used to describe a system that is completely closed off from external influences or interactions, often in scientific or technical contexts.
Example: "The experiment was conducted in a sealed system to ensure that no external variables could affect the results."
Alternatives: "an enclosed system" or "a closed system".
To convert LN to SN, typically, the pressure above a Dewar of LN is reduced, using a vacuum pump in a sealed system until conversion occurs.
But, oh heaven, treating it as a sealed system with right/wrong rules and answers is so very useful for giving very young children "reliable" tests, which then supposedly test whether the teachers have taught these rules, and which, hey presto, give you a score in your office.
A new method of propulsion, in which a nuclear reactor made the steam that drove the turbines, was a sealed system that, unlike the diesel engine, neither needed air nor emitted waste; human endurance was now the main limitation to the length of a submarine's voyage.
Coral-like accretion of hollow carbon microspheres with thin walls has been successfully synthesized through a carbon dissolution precipitation process, where the decomposition of cyclohexane on nickel powder, at 550 °C in a sealed system, and is followed by rapid cooling.
This is because it is difficult to control or adjust the concentration of the precursor in a sealed system, which will affect the nucleation and growth, and hence the morphology and size of CCS.
The power booster draws air from outside of the canister to operate, so it is not a sealed system.
A sealing system for a rotary expander is described.
Secondly the manufacture of a sealing system using laser micromachining is reported.
The water environment is underground in a lightly sealed system, and this provides significant challenges to maintaining high purity in the storage pools, each of which contains several thousand cubic meters.
Roll compactors are constructed with a sealing system, limiting the loss of powder from the sides.
Beele Engineering Bv of Aalten, The Netherlands, has developed a sealing system which, it says, is resistant to gamma rays.
