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wjhhsh

新虫 (正式写手)

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mac194

铁虫 (职业作家)

【答案】应助回帖

★ ★
wolfghost: 金币+2, 积极应助奖励~ 2021-03-27 19:02:23
https://www.oaj.pku.edu.cn/yxb/a ... 167X-50-2-326.shtml

  "99mTc高锝酸钠溶液购于中国北京原子高科技术股份有限公司"

    中国北京原子高科技术股份有限公司 官网: https://www.atom-hitech.com

      专搜某一网站用关键字 site: (带冒号); 前加想看到的字串 "高锝酸钠" (引号可有可无, 加则确保字序)

        谷歌或雅虎 键入 "高锝酸钠" site:atom-hitech.com  得: https://www.atom-hitech.com/product/27.html

          注意: 【放射性核素半衰期】6.02小时  <<不可能实验室自己合成
2楼2021-03-19 01:18:04
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祝福
3楼2021-04-26 17:24:06
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