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

VOA: special.2009.06.09

He did his Ph.D. He managed to get a fellowship, and he came to the UK all the way from New Zealand.

他取得了博士学位后，离开了新西兰去英国谋得一个研究职位。

麻省理工公开课 - 固态化学导论课程节选

so ideally I sort of want to get a Ph.D with sociology so that I can go international travel,

所以，理想状态下，我有点想要拿到社会学的博士学位，这样我就可以跨国旅游了，

在美国旅游的经验 - SpeakingMax英语口语达人

A young Danish scientist by the name of Niels Bohr, he just finished his Ph.D. in Copenhagen, and he had won himself a postdoctoral fellowship, courtesy of the Carlsberg Brewery foundation.

一个年轻的丹麦科学家,名字叫做尼尔斯，波尔，他刚刚在哥本哈根取得博士学位，他取得了博士后奖金，由嘉士伯基金资助的。

麻省理工公开课 - 固态化学导论课程节选

In addition, the kidney controls the composition of your body of many important ions, sodium bicarbonate which is important in pH balance, potassium.

此外肾脏还能控制,体内很多重要离子的浓度,例如碳酸氢钠,它对于酸碱平衡十分重要,还有钾离子

耶鲁公开课 - 生物医学工程探索课程节选

In fact, I am the only, I'm the only person from America, out of everybody in the accounting Ph.D. program.

事实上，在所有会计博士生中，我是唯一的美国人。

如果是在考虑留学 - SpeakingMax英语口语达人

as most of people are starting to do Master's. Even they're doing Ph.D.

所以大部分人开始读研。甚至有人开始修博士课程。

就业很难 - SpeakingMax英语口语达人

and before I came back to school to get my Ph.D. program,

而且在我回学校读博士前，

为什么是会计学呢？ - SpeakingMax英语口语达人

and then I got my Ph.D. in Computer Science.

拿到了计算机的博士学位。

从工学到经营学 - SpeakingMax英语口语达人

She was a brilliant Ph.D. student of mine and she had two dogs.

她是一个非常聪明的博士生,她有两条狗。

麻省理工公开课 - 固态化学导论课程节选

You might say, well what's the person who studied chemical metallurgy doing teaching chemistry here? Well, after my Ph.D., MIT I came here as a postdoctoral fellow in 1977.

你们可能会问，这个学习,化学冶金学的人怎么会在这教,化学呢，好吧，在我拿到博士学位后，1977年我作为一名博士后来到了。

麻省理工公开课 - 固态化学导论课程节选

She was awarded tenure in 1938, denied a professorship for 18 years, and when she presented her Ph.D thesis she was the one that determined that the sun is made dominantly of hydrogen, not ion, the way most of the old goats thought.

她是在1938年被授予长期聘用资格，拒绝接受教授职位18年，她在她的博士论文写到,她就知道,太阳主要是由氢组成的，不是那些老教授认为的那样它是由离子构成的。

麻省理工公开课 - 固态化学导论课程节选

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

We need to have conditions internally that are relatively constant in terms of temperature, and pH, and chemical composition in order for us to thrive.

我们需要体内的环境参数保持相对稳定,这些环境参数包括,温度,pH值,以及化学组成,这样人才能茁壮成长

耶鲁公开课 - 生物医学工程探索课程节选

If I then put it back into its original condition, lower the heat say, temperature back to body temperature and reduce the pH down to seven again, the molecules will re-nature.

假如我把烧杯的温度恢复到初始状态,降低温度,温度降低到体温,将pH值降低到七,这些分子会复性

耶鲁公开课 - 生物医学工程探索课程节选

So, Niels had a Ph.D.

所以波尔得到了一个博士学位。

麻省理工公开课 - 固态化学导论课程节选