critical ph 中文意思是什麼

critical ph 解釋
臨界
  • critical : adj 1 批判的,批評的;(在某方面)有鑒定力的 (in)。2 吹毛求疵的;愛挑剔別人的 (of about)。3 ...
  • ph : PH =public health 公共衛生。【化學】表示氫離子濃度的倒數的對數的符號。
  1. Studies showed that process and condition control had critical effect on the preparation of yig phase, and the proper conditions specialized as follows : using ammonia - ammonium nitrate ( nh3 - nh4no3 ) as precipitant, ph scope from 10 to 10. 5, using dissolving salt as law materials, dropping their mixed solution into precipitant, precipitation rate at 0. 8ml / min

    研究表明,共沉澱的過程和條件控制對yig的合成具有重要影響。實驗得出共沉澱的合適條件為:以nh _ 3 - nh _ 4no _ 3為緩沖溶液,控制ph范圍為10 . 0 ? 10 . 5 ,採用可溶性鹽為原料配製溶液,滴加到沉澱劑中的共沉澱方式,共沉澱速度為0 . 8ml min左右。
  2. Generally speaking, the content of k in soil, ph of the soil, altitude and the content of hygroscopic water are the most critical factors to cause the morphological differentiation of e. chloranthoides yang

    從總體上看,對形態性狀影響最大的幾個環境因子是全鉀、土壤ph值、海拔、吸濕水的含量。
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