A sample of a radioactive element that contains 1.0 xx 10^(3) nuclie decays to 6.2 xx 10^(1) nuclei in 10minutes . What is its sepecific decay constant?
doi:US4991450 AUlrich SchaarschmidtWolfgang HautUSUS4991450 * 1989年6月21日 1991年2月12日 Deutsche Gesellschaft Fur Wiederaufarbeitung Von Kernbrennstoffen Mbh Filling arrangement for taking a sample of a radioactive process solution
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Sample Changer for the study of radioactive preparations, various This engineering task plan identifies the activities required for developing an ultra high pressure water drill system for installation of a saltwell scree... H Scholz,P Palic 被引量: 0发表: 1958年 Production of radioactive preparat...
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But for many there is no direct experimental option if one does not possess a Geiger counter and good radioactive sample. It is for that teacher and class of students that an online, remote radioactivity experiment was created. 展开 关键词: K-12 education Radioactivity Computer simulation Geiger...
A radioactive source has a half-life of 6 days.How long will it take for the count rate to fall from 180 per minutes to 145? The half-life of iodine-131 is 8.04 days.On a certain day,the activity of an iodine-131 sample is 6.64...
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