1.Test the soil's pH, or its acidity level.

测试土壤的pH值或酸度水平。

2.They also regulate blood pH, volume, pressure, osmolality as well as produce hormones.

它们也调控血液pH值、血容量、血压、渗透压，并产生多种激素。

3.A pH level below seven is considered acidic.

PH值低于7被认为是酸性。

4.The pH, the turbidity, the color, suspended solids, and COD.

pH 值、浑浊度、颜色、悬浮物和 COD（化量）。

5.The package label should include information about its pH level.

包装标签应包含有关其pH值的信息。

6.And all this ends up lowering the cellular pH.

所有这些都降低了细胞的pH值。

7.The water there is extremely basic — with a pH of 11.6.

这里的水很普通，酸碱值为11.6。

8.But the pH of the Miller-Urey experiment is much higher.

但米勒实验的 PH 值高得多。

9.In the original experiments they used a pH of 8.7 which is more alkaline, or basic.

在最初实验里，他们使用的PH 值为8.7，其碱性更强。

10.For example, tumors have low oxygen and pH levels and over-produce specific molecules.

举个例子，肿瘤通常含量低，PH 值低，并且会过量生产特定分子。

11.You learned about logarithms and how you can use them to calculate the pH of a substance.

因为它们使氢离子浓度大幅提升。

12.So ammonia increases urinary PH until it's neutral or alkaline, favoring bacterial growth.

因此，氨会增加尿液的PH值，使其达到中性或碱性，从而有利于细菌生长。

13.That's why we use the buffer to lock our sample into a pH of 7.4.

这就是我们使用缓冲液将样品的 ph 值锁定在7.4 的原因。

14.Buy a pH test online or at your local garden center and follow the directions.

在网上或当地的园艺中心买一个pH测试器，并按照说明操作。

15.This my friends, is the basis of the pH scale.

实际上，这些离子在远小于一秒的时间内就会重组为水分子。

16.It has to go in because the pH is too low for the reaction to work.

它必须放进去，因为 pH 值太低，反应就无法进行。

17.In addition, acidic foods and drinks can also cause the pH in the mouth to lower.

此外，酸性食物和饮料也可以导致口中PH值降低。

18.These rapid tests are very pH sensitive.

这些快速测试对 pH 值非常敏感。

19.PH is down 7.1. Core temp, 93 degrees.

PH低到7.1，中心温度93度(华氏)。

20.None of the sports really stuck with me (ph).

没有一项运动真正吸引了我。