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A series of collided nuclei produced by a high-energy particle are usually concentrated along the initial movement direction of the particle, and this influence zone is called the ______ .

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The yield strength, tensile strength, brittle transition temperature, toughness and impact strength of metals will increase under fast neutron irradiation.

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Metal materials other than fuel mainly receive irradiation from alpha particles.

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What factors should be considered when choosing coolant for molten salt reactor?

A. Low melting point, high boiling point
B. Small neutron reaction cross section
C. Good fuel compatibility
D. Excellent radiation performance
E. low cost

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In the fourth-generation reactor, the reactor type that requires additional moderators is the , and the moderator used is .

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A series of collided nuclei produced by a high-energy particle are usually concentrated along the initial movement direction of the particle, and this influence zone is called the ______ .

The yield strength, tensile strength, brittle transition temperature, toughness and impact strength of metals will increase under fast neutron irradiation.

Metal materials other than fuel mainly receive irradiation from alpha particles.

What factors should be considered when choosing coolant for molten salt reactor?

In the fourth-generation reactor, the reactor type that requires additional moderators is the ______ , and the moderator used is ______ .

In the fourth-generation reactor, the reactor type that requires additional moderators is the , and the moderator used is .