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。
The pH of seawater worldwide is dropping (acidifying) as oceans absorb ever more carbon dioxide from the atmosphere.
随着海水从大气中吸收越来越多的二氧化碳，世界范围内的海水pH值正在降低（即酸化过程）。
For example, as the atmospheric carbon-dioxide level in Hawaii goes up, the ph at a mid-ocean mooring about 450km to the north-west goes down (see chart).
例如在夏威夷，大气中二氧化碳浓度在升高，其西北方向约450公里处海洋监测点的PH值在下降(见图表)。
Expose the surface of the ocean to an atmosphere with ever more carbon dioxide, and the gas and waters will produce carbonic acid, lowering ph on a planetary scale.
要是海洋的表面与含更高二氧化碳的大气层接触，那么水和气会产生更多的碳酸，在全球范围内降低PH值。
And then there is the Nobel Prize-winning mathematician John Nash, Ph. D., who has schizophrenia and a son who suffers from the illness as well (Psychiatric News, July 6, 2007).
就连诺贝尔奖获得者数学家约翰·纳什博士也是位精神分裂症患者，而他的儿子亦有着相同的疾病(精神病学新闻，2007.7.6)。
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。
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。
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。
A drop in pH on the level identified in the study could have some very harmful effects.
这项研究证实，pH值水平的下降可能有一些非常有害的影响。
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）。
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。
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。
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 new catalyst works at room temperature, in neutral pH water, and is easy to set up, Nocera said.
Nocera说，这个新的催化剂工作在中性pH和室温条件下，而且容易使用。
At a mean pH level of 7.8, calcified organisms begin to disappear, and non calcifying ones take over.
在pH平均值为7.8时，钙化生物体开始消失，代之而来的是非钙化生物体。
Over the next several centuries, oceanic pH may change more than it has in the last 300 million years.
在接下来的几个世纪中，海洋的PH值可能比过去3亿年变化的还要大。
The citric acid in the juice alters the pH level in your mouth, killing the bacteria that cause bad breath.
果汁中的柠檬酸会调节口腔的PH值，杀死造成口气的细菌。
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。
The most alkaline environments in the world are soda lakes, which can have a pH as high as 12, akin to ammonia.
世界上碱性最强的环境是碱湖，其pH值可高达12，和氨水相当。
Proteins carry a charge that changes with pH, but becomes negative in the presence of certain chemical detergents.
蛋白质随着PH值不同携带不同电荷，但当某些化学试剂存在时会带负电荷。
However, even if you eat large quantities of these foods, your blood pH will barely change and only for a short time.
不过就算你吃大量的这些食物，你的血液PH值几乎不会变化或者只会变化很短时间。
However, even if you eat large quantities of these foods, your blood pH will barely change and only for a short time.
不过就算你吃大量的这些食物，你的血液PH值几乎不会变化或者只会变化很短时间。
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