ph control additive 中文意思是什麼
ph control additive
解釋
控制-
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。 -
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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