The phrase "a nuclear core" is correct and usable in written English.
It can be used in contexts related to nuclear energy, reactors, or discussions about nuclear physics.
Example: "The safety of the reactor depends on the integrity of a nuclear core."
Alternatives: "nuclear reactor core" or "core of a nuclear reactor".
The CRLCSA complex is a nuclear core component of the TC-NER machinery.
A nuclear core meltdown is considered the worst-case accident in a nuclear power plant.
Studying numerically the steady state of a nuclear core reactor is expensive, in terms of memory storage and computational time.
Finding an optimum core arrangement for loading of fuel assemblies, FAs, in a nuclear core is a complex problem.
Putting a nuclear core into a cartoon robot less than a decade after Hiroshima and Nagasaki might seem an odd way to endear people to the new character.
Barlow knew that the devices were also widely used in nuclear-weapons development to calibrate the uniformity of compression on a nuclear core — the implosion that triggers chain reaction — from the explosives inside the warhead.
But, as a result, HMS Vanguard is to be refuelled with a new nuclear core at a cost of £120m.
Nuclear structure and behaviour are then explained by considering single nucleons beyond a passive nuclear core composed of paired protons and paired neutrons that fill groups of energy levels, or shells.
Homologs of UDP – glucose epimerase, acyl - CoA binding protein, triose phosphate isomerase and a putative nuclear core anchor protein were significant in fruits only, while a homolog of an embryo binding protein / small GTPase regulator was detected in "on year" leaves only.
The C-terminal extension contains a functional nuclear core localization (NLS) domain and several binding sites for interaction partners such as BRCA1 and HCFC1.
At the center of "Guys and Dolls," glowing like a kind of nuclear core, is Frank Loesser's gorgeous music, which is, to my mind, one of the high-water marks of the genre.
