The Chernobyl steam explosion is considered the worst nuclear power plant accident in history, and is one of only two classified as a level ___ event on the International Nuclear Event Scale (the other being the Fukushima Daiichi nuclear disaster).
The Chernobyl steam explosion is considered the worst nuclear power plant accident in history, and is one of only two classified as a level ___ event on the International Nuclear Event Scale (the other being the Fukushima Daiichi nuclear disaster).
Plant growth regulators containing quaternary ammonium salts for rice. Ranai,A. (Daiichi Kogyo seiyakuco.Itd.) Jpn,kokai Tokkyo Koho JP0142404 (CL.A01N41/04) 14Feb.1989. 499该文献类型为专利文献。（ ）
Plant growth regulators containing quaternary ammonium salts for rice. Ranai,A. (Daiichi Kogyo seiyakuco.Itd.) Jpn,kokai Tokkyo Koho JP0142404 (CL.A01N41/04) 14Feb.1989. 499该文献类型为专利文献。（ ）
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