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中子源屏蔽門射線防護含硼聚乙烯
中子源屏蔽門射線防護含硼聚乙烯是指加硼處理的聚乙烯。純聚乙烯是硬質(zhì)、半透明白色蠟狀物質(zhì),軟化溫度115℃,易加工成所需形狀。密度0.928/cm3,單位體積含氫原子數(shù)7.8—8.0×10的22次方個/cm3,含氫量比水多,慢化中子能力比水強,是有效的中子屏蔽材料。含硼聚乙烯用聚乙烯作基體,將碳化硼彌散在其中通過高速攪拌、捏合、塑化、層壓而成的含硼聚乙烯板是一種新型的復(fù)合材料。
Pure polyethylene is a hard, translucent white wax-like substance with a softening temperature of 115℃, which is easy to be processed into the required shape. The density is 0.928/cm3, the number of hydrogen atoms per unit volume is 7.8-8.0× 10 to the 22nd power/cm3, the hydrogen content is more than that of water, and the neutron slowing ability is stronger than that of water, so it is an effective neutron shielding material.含硼聚乙烯成功用于核電站乏燃料格板、核動力船舶、核對中子輻射、中石油、中科院、研究院、醫(yī)院以及核反應(yīng)堆的控制棒材及核屏蔽材料等研究領(lǐng)域,更是作為屏蔽中子,射線,輻射屏蔽吸收的*材料。
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