Experimental results indicate that the adsorption capacity of hydrogen isotopes on 601 is higher than that on AC or CNF at liquid nitrogen temperature and CNF has the smallest adsorption capacity.

实验结果表明：601对氢同位素的吸附量为最高、AC次之、CNF最小，并存在明显的同位素效应；

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An analysis from 12 monitors nationwide found "slightly higher" levels of radioactive isotopes in Alaska, Alabama, California, Guam, Hawaii, Idaho, Nevada, Saipan, the Northern Mariana Islands, and Washington state over the past week, the agency said.

CNN: Japan's nuclear contamination spreads to more U.S. states