brassia 中文意思是什麼
brassia
解釋
芥屬-
The contents of 8 rare earth elements in chloroplasts of brassia napus were determined by instrumental neutron activation analysis. the results indicated that there were trace amounts of rees in the chloroplasts, which corresponded to 1 atom of rees per 2000 chlorophyll molecules. this content was lower than the microelements already known essential for the process of photosynthesis such as fe, mn and cu
用中子活化分析測定了油菜葉綠體中的稀土元素含量。結果表明葉綠體中含有微量稀土，其含量相當于每個稀土原子對應約2000個葉綠素分子，低於fe ， mn ， cu等必需元素。
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