Neutron shielding door is the shielding door between the reactor heap cavity and the reactor coolant spill drainage room,used to allow the operator to enter the reactor plant and to ensure the accessibility of the service area of the reactor plant.
Silicon metal 2202 is widely used in refractory materials, powder metallurgy, organic silicon chemical industry, polysilicon and single crystal silicon industry, also can be applied to certain metal reducing agent, used in new type of ceramic alloy, etc.S
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