cd-k 中文意思是什麼

cd-k 解釋

  • cd : Cd =cadmium 【化學】鎘。1 coastal defense 海岸防禦,海防。2 civil defense 民防。3 certificate de...
  • k : (pl Ks K s; ks k s )1 英語字母表第十一字母。2 K字形物體[記號]。3 一個序列中的第十一〈若 J 略去...
  1. The results are mainly as follows : sticky quality, tuber structure, the loose and tense degree, unit weight, ph value ( decreases in the few conditons that resulting acidity strengthening ), alkalinity increases in the same soil level, root quantity and macro - element content decreases ; there has a extraordinary difference between k, ca and mg, especially for pb and cd which shows that the collecting function of soil enhances under the disturbence conditon, and other micro - elements, such as zn > mn, cu, ni get decreasing. tourism activity is one of the key reasons for water body pollution. to different recreation types, the pollution degree has the obvious difference

    各景觀區所取樣點中,土壤理化性旅遊破壞區所受影響最大,呈現出質地粘重、結構變差(以塊狀為主) 、同一層次土壤松緊度增大、根系變少、容重增大、土壤ph值增大(也有個別ph減少,以致酸性增強) 、堿性增強、大量元素降低,其中對k 、 ca 、 mg影響中有顯著性的差異(又以游道類影響最為顯著) 、重金屬元素( pb和cd )明顯增多、顯著性的差異最為明顯,其它微量元素( zn 、 mn 、 cu 、 ni )逐漸減少,表明旅遊活動干擾後土壤對pb和cd富集作用增強等特點。
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