youdao

What is the unit of potential difference? Volt.

势能差的单位是什么，伏特。

youdao

Metallic tin is not electropositive enough compared with the electronegativity of its oxide to deliver a useful potential difference.

比起铅来，金属锡的电正性没有二氧化锡的电负性强，所以无法产生可用的电位差。

youdao

What people did is they said let's define a unit of energy that represents a unit charge accelerated across a unit potential difference, and let's call that the electron volt.

前人们所做的就是他们说让我们确定,一个能量单位用来代表一单位电荷,加速穿过形成的一单位电势差，我们叫它电子伏特。

麻省理工公开课 - 固态化学导论课程节选

That potential difference is generated by the movement of ions, principally sodium and potassium across the membrane.

电势差是由离子运动造成的,特别是钠和钾的跨膜运动

耶鲁公开课 - 生物医学工程探索课程节选

I feel that I've fallen short of my potential " to really make a difference."

我觉得我能改变世界的能力,越来越弱了“

哈佛公开课 - 幸福课课程节选

The overall objective was to produce concrete outcomes in plenary sessions, workshops and cross-sectoral dialogue formats with the aim of arriving at decisions that have the potential to make a genuine difference in terms of sustainable impacts.

UNESCO: World Water Assessment Programme (WWAP)

And that, I think, illustrates the potential difference in terms of how we could run our campaigns.

NPR: Obama Stresses His 'Electability' Versus GOP

And I indicated to my Cabinet that as hard as they're working and as difficult as the political environment can be sometimes, we are extraordinarily blessed to be in a position where we can make a potential difference in the lives of millions of people.

WHITEHOUSE: President Obama Speaks to Press After Cabinet Meeting