Dead cells and carbon dioxide causes the PH level of your skin tissue to rise.

死亡细胞和二氧化碳会使你皮肤组织的PH值(酸碱度)升高。

youdao

Soil should also be tested for its pH level, a measure of the acid and alkaline balance.

土壤的PH 值也应该测量一下， PH 水平是反映酸碱平衡的量度。

youdao

When acid rain falls on forest floors, it changes the ingredients - the 'PH level' - of the soil.

酸雨对森林地表层的土壤来说，它改变了原来的pH值'。

youdao

Experts say the ability to take up lead is reduced when the pH level is above six and a half.

VOA: special.2009.06.09

But, in general, you know, the diversity, especially at Ph.D. level is very, very large,

但是，总的来说，尤其是在博士阶段，学校的多元化程度还是很高的，

如果是在考虑留学 - SpeakingMax英语口语达人

Soil should also be tested for its pH level, a measure of the acid and alkaline balance.

VOA: special.2009.06.09

The solution undergoes further processing to stabilize the ions and to adjust the pH level.

FORBES: Holy Water

The lower pH level also enables the cancer to spread by using acid dissolved normal cells as its food source.

FORBES: Does genetically modified corn cause cancer? A flawed study fails to convince.

Mr. Marcus said a restaurant operator can demonstrate that the pH level of kimchi is below 4.6 as an alternative to following the time and temperature rules.

WSJ: Restaurants: City Failing on Kimchi