potential difference

基本解释

• n. [物] 势差，[物] 位差

同根派生

• potential difference相关词

英汉例句

双语例句

• What is the unit of potential difference? Volt.
  势能差的单位是什么，伏特。
• They work because certain materials, such as bismuth telluride, generate an electrical potential difference within themselves if one part is hotter than another.
  它们之所以能起作用是因为 一般的 材料，比如碲化铋，如果其中一部分比另一部分热，内部就会产生电位差。
• 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。
  ecocn.org

原声例句

• 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
• What is the unit of potential difference? Volt.
  势能差的单位是什么，伏特。
  麻省理工公开课 - 固态化学导论课程节选

权威例句

• And that, I think, illustrates the potential difference in terms of how we could run our campaigns.
  NPR: Obama Stresses His 'Electability' Versus GOP

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词组短语

短语

• potential magnetic difference of 磁位差
• potential energy difference 势能差;电位源
• Body Potential Language Difference 身势语差异
• potential l difference 电位差;电位;电势差
• electric potential difference [电]电势差;电位差;电位差电势差;电压

• potential difference更多词组

英英字典

柯林斯英英字典

• the difference in electric potential between two points in an electric field the work that has to be done in transferring unit positive charge from one point to the other, measured in volts ( symbol: , symbol: , symbol: abbr: pd)&rarrcompare electromotive force

• potential difference剑桥字典
• potential difference柯林斯字典

专业释义

电子、通信与自动控制技术

• 电位差

  The phenomenon of DC bias is caused by the electric potential difference between the earthing neutrals of transformer. The influence of DC magnetic bias on transformer is concerned by the designers, producers and users.
  直流偏磁现象是由于电力系统中变压器接地中性点间存在直流电位差而产生的,变压器设计、制造和使用部门都非常关心直流偏磁对大型电力变压器运行性能的影响。

  计算机科学技术

• 电位差

物理学

• 电势差

  The concept of equipotential body is not clear. The electric potential difference is existed on both sides when static equilibrium.
  对等势体的概念不清楚,认为导体静电平衡后导体两端还有电势差,对电势的概念比较模糊,主要依据电荷的吸引或排斥(库仑定律)判断电荷的转移。

• 位势差
• 势差

动力与电气工程

• 电势差
• 位势差
• 电位差

环境科学技术

• 势差

机械工程

• 电位差
• 位差

生物学

• 潜在差异