initial ph value

基本解釋

• [化學]初始ph值

英漢例句

雙語例句

• Increasingthe initial PH value in the range of 4-7 had no obvious effect to alkaloid production.
  一定範圍內改變培養(yǎng)基pH值，對生物堿生成沒有顯著影響；
• Results showed that nitrite formation appeared mainly in the initial stage of fermentation, and nitrite disappeared gradually with the decrease of pH value.
  結果發(fā)現(xiàn)，亞硝酸鹽的出現(xiàn)期主要集中在發(fā)酵前期，隨發(fā)酵液酸度的增加亞硝酸鹽逐漸消失。
• The several important affecting factors of photocatalytic degradation, including initial pH value of solution, catalyst quantity and initial concentration of solution, were also discussed.
  討論了影響光催化降解傚果的溶液初始酸度、催化劑投加量和甲基橙的初始濃度等幾個重要因素。
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• initial ph value更多例句

詞組短語

短語

• lower initial ph value 較低的初始ph值
• control of initial ph value ph 的調控
• initial ph value of medium 培養(yǎng)基初始ph值
• initial ph value of wastewater 廢水初始ph值
• initial ph value of solution 溶液初始ph值

• initial ph value更多詞組

專業(yè)釋義

化學

• 初始ph值

  The adsorption property of N-carboxymethyl chitosans to Ni2+ was investigated. Various adsorption factors were further studied,including substitution degree of N-carboxymethyl chitosan(CMC),initial pH value and adsorption time.
  考察了N-羧甲基殼聚糖對Ni2+的吸附性能,探討了N-羧甲基殼聚糖的取代度、溶液初始pH值和吸附時間等因素對吸附量的影響。