ph control additive 中文意思是什麼

ph control additive 解釋
控制
  • 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。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  • additive : adj. 1. 附加的,增加的。2. 【化學】加成的,加和的。3. 【數學】加法的;加性的。n. 1. 添加劑;添加物。2. 【數學】加法。
  1. To explain the nature of food as a medium for chemical reactions and the effects of electrolytes, non - electrolytes, ph and dispersed phases on the structures and reactivities of food components ; to examine in detail the mechanisms of non - enzymic browning, food additive - food component reactions, and methods of control

    介紹食物的化學反應、電解質與非電解質的效果、食物元素的酸堿值發散階段及組織與反應、非酵素褐化的結構、食品添加物成分與反應、與控制方法等。
  2. The ratio of tetraethyloxysilane ( teos ) : ethanol : distilled water is 1 : 3 : 4. n - n " dimethyl formamide ( dmf ) was used as solvent and drying control chemical additive ( dcca ) in a proportion of 0. 3 dmf / ethanol volume ratio. drops of hf / hc1 mixture acid was added to promote hydrolysis ( ph = 2 )

    溶劑的選擇對基質凝膠孔的形狀基本沒有影響,但對其孔徑分佈有較大影響:在hf / hci混合酸催化情況下, dmf溶劑的樣品孔徑最小, dmf /乙醇混合溶劑的其次,乙醇溶劑的樣品孔徑最大。
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