This ingredient is used to balance the PH in products, and can cause allergic reactions, and irritate your eyes, nose and skin.
这种成分被用来平衡产品中的酸碱值，能够引起过敏反应，并刺激你的眼睛、鼻子和皮肤。
Trypanocidal drug suramin is polysulfated and gives a positive alcian blue reaction even at pH 1.
锥虫类药物苏拉明经过多硫酸化处理，即使在pH 值为1时也会产生阳性的阿尔辛蓝反应。
The pH of your blood is slightly alkaline.
我们的血液pH是偏碱性的。
Different tissues have different pH levels.
不同的组织液有不同的pH水平。
FLATOW: Let me get a quick call from Melissa (ph) in Denver.
弗莱托：让我接一下丹佛的梅利莎打进的电话。
This raises your pH so it becomes more alkaline and less acidic.
这会提高你的PH值，变得更碱性和更少的酸性。
If possible, ocular pH should be measured but should not delay therapy.
若有可能，应对眼部的pH值进行测量，但该测量不应使治疗延缓。
On the Ph scale, it is very acidic and can dissolve a nail in about 4 days.
它的PH值相当的低，可以在4天左右把一颗铁钉溶解掉。
The powder swallowed by Harrison was extremely alkaline – with a pH of 13.4.
Harrison所吞食的洗涤粉碱性极强—— pH值达13.4。
The way of measuring how acidic or alkaline a substance is a scale called pH.
衡量一个物质的酸碱性的方法是pH值的大小。
FLATOW: Let's see if we can get one more question from Ray(ph) in Sacramento.
我们来看看十分可以从萨克门托的Ray哪里获得一个问题。
The declining pH does not actually make the waters acidic (they started off mildly alkaline).
但PH值的降低并不会使海水真的变成酸性（海水原属弱碱性）。
In many places, natural variations in pH will be larger than long-term changes in its mean.
在很多地方，PH值的自然差异将大于长期的PH值变化趋势平均值。
She found that the range of responses was wide, with some seeming to prefer the lowered pH.
她发现这种应对反应是多种多样的，甚至有部分生物似乎很喜欢降低后的PH值。
If you recall high school chemistry, pH measures the concentration of hydrogen in a solution.
如果你回忆下高中的化学实验，就知道PH值其实是衡量溶液里的氢原子浓度。
But Cohen questions whether it's the right time to transition to a more costly way of providing Ph.
但是科恩质疑这是不是一个正确的时机去把培养博士科学家的方式变得更加昂贵，尽管他们更加有技能。
With Jim Westwater's strong support, I got my Ph. D. in three years, faster than almost anyone.
在詹姆士·韦斯特沃特的大力支持下，我用三年时间获得了哲学博士学位，几乎比任何人都快。
And just last year, while working as an assistant math professor, she decided to pursue her Ph. d.
并且就在去年，她是数学助理教授的时候，决定继续攻读博士学位。
The more hydrogen, the more acidic it is (low pH); the less hydrogen, the more alkaline it is (high pH).
越多的氢原子就越呈酸性(低ph值)；越少氢原子就越呈碱性(高ph值)。
I intended to get a Ph. D. and teach at a small college someplace, but I decided research was a lot more fun.
我原本想要读到博士，然后在某个地方的大学教书，但是我觉得研究是一件更有意思的事。
I intended to get a Ph. D. and teach at a small college someplace, but I decided research was a lot more fun.
我原本想要读到博士，然后在某个地方的大学教书，但是我觉得研究是一件更有意思的事。
应用推荐