1) Low value of pH

低pH值水培
2) Low pH

低pH值
1.
The effects of low pH value , Al and various ratios of Ca to Al on the growth and glutathion (GSH) concentration in green alga Scenedesmus obliquus are studied.
本文研究了低pH值条件下,铝及钙铝比对斜生栅藻生长及细胞中谷胱甘肽(GSH)水平的影响。
4) Much lower pH

pH值过低
6) constant pH value cultivation

等pH值培养
1.
0 during constant pH value cultivation.

德氏乳杆菌保加利亚亚种等pH值培养的适宜pH值为6。
补充资料:pH值
分子式:
CAS号:
性质:H30+浓度的负对数称为pH值。即pH=-1g[H3O+]。如[H3O+]=1.0×10-7mol/dm3,pH=7.00。水溶液的pH的范围在0~14之间,pH为1~7呈酸性,pH为7~14呈碱性。pH=7呈中性。
CAS号:
性质:H30+浓度的负对数称为pH值。即pH=-1g[H3O+]。如[H3O+]=1.0×10-7mol/dm3,pH=7.00。水溶液的pH的范围在0~14之间,pH为1~7呈酸性,pH为7~14呈碱性。pH=7呈中性。
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