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单词 dielectric
释义

dielectric /ˌdaɪɪ'lektrɪk//ˌdaɪɪ'lɛktrɪk/

英汉-汉英词典
  1. n. 电介质,绝缘体
  2. adj. 非传导性的
形容词: dielectric
词组 | 习惯用语
dielectric constant 介电常数;电容率
dielectric loss [化]介电损耗
dielectric strength 介电强度;绝缘强度
dielectric layer 介电层;介质膜
dielectric property 介电特性;介电性质
dielectric material 介质材料
dielectric loss angle 介质损耗角;介电损耗角
dielectric film 介电薄膜,介质膜
dielectric function 介电函数;电介质函数
dielectric fluid 电介质
dielectric breakdown 介质击穿
dielectric loss factor 介质损耗因子
dielectric waveguide [电]介质导波管
dielectric medium [电]电介质
ceramic dielectric 陶瓷介质
dielectric heating 电介质加热;介质加热法
dielectric surface 介质表面
英语例句库
  1. dielectric(al) material
    绝缘物质
  2. dielectric(al) constant
    【物】介电常数
  3. dielectric(al) strength
    【物】电介质强度
  4. complex dielectric permittivity
    复电容率, 复介电常数
  5. amorphous dielectrics
    非晶态电介质
  6. An optical fiber is a dielectric (nonconductor of electricity) waveguide made of glass or plastic.
    光纤是一种介质(绝缘体电)波导的玻璃或塑料。
  7. To raise ozone output of ozonator,it demands that ceramic plate materials for ozonator have good dielectric properties and quite high thermal conductivity.
    为了提高臭氧发生器的臭氧产量,要求臭氧发生器用的陶瓷基板材料具有较高的介电性能和热导率。
  8. The interelectrode dielectric adopts the polypropylene film with surface coarsening which is easy to impregnate so as to enhance the reliability of high-capacity capacitor.
    极间介质为易于浸渍的表面粗化聚丙薄膜,特别提高了大容量电容器的可靠性。
  9. Particularly,a sparse matrix model and a multigrid mesh structure were proposed for the multiconductor structure in multilayered dielectric media.
    复旦大学微电子系专用集成电路与系统国家重点实验室上海;
  10. All-dielectric multi-cavity filter: high transmittance of the peak, well-rectangularity, deep cut-off spectrum.
    全介质多腔滤光片,峰值透过率高,矩形化好,截止深。
  11. The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material.
    研究表明,稻谷的摩擦带电与稻谷含水率、摩擦速度、稻谷的介电常数以及摩擦材料等因素有关。
  12. This heating helps to break down weak spots in the dielectric that otherwise might pass through the electrode undetected, only to fail during a later spark or hipot test.
    这热量帮助击穿电线绝缘较薄的地方﹐否则线材通过电极而没有被检测到﹐结果在以后的火花测试和高压绝缘试验将会失效。
  13. Dual damascene technology of Cu / low dielectric layer is introduced in this paper, andthis technology has been used in manufacturing DRAM and logic devices.
    介绍了铜/低介电常数介电层的双嵌入式工艺,该工艺已大规模应用于动态记忆存储器(DRAM)和逻辑电路器件中。An optical fiber is a dielectric (nonconductor of electricity) waveguide made of glass or plastic.
    光纤是一种介质(绝缘体电)波导的玻璃或塑料。
  14. The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material.
    研究表明,稻谷的摩擦带电与稻谷含水率、摩擦速度、稻谷的介电常数以及摩擦材料等因素有关。
  15. To raise ozone output of ozonator,it demands that ceramic plate materials for ozonator have good dielectric properties and quite high thermal conductivity.
    为了提高臭氧发生器的臭氧产量,要求臭氧发生器用的陶瓷基板材料具有较高的介电性能和热导率。
  16. The interelectrode dielectric adopts the polypropylene film with surface coarsening which is easy to impregnate so as to enhance the reliability of high-capacity capacitor.
    极间介质为易于浸渍的表面粗化聚丙薄膜,特别提高了大容量电容器的可靠性。
  17. This heating helps to break down weak spots in the dielectric that otherwise might pass through the electrode undetected, only to fail during a later spark or hipot test.
    这热量帮助击穿电线绝缘较薄的地方﹐否则线材通过电极而没有被检测到﹐结果在以后的火花测试和高压绝缘试验将会失效。

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原声例句
名人传记之史蒂芬·霍金

And we cleared out all the white dielectric material from inside the horn.

我们把喇叭内所有 白色介电材料都清理掉了。

Crash Course 综合篇

We call this it's dielectric property.

我们称之为介电特性。

Crash Course Physics 速成课物理

So dielectrics can help capacitors hold even more energy.

所以电介质有助于电容器存储更多 的能量。

Crash Course Physics 速成课物理

And this something is called a dielectric – typically an insulating material like plastic or glass.

这种东西叫做绝缘体。通常,它是 它是一种绝缘材料,例如塑料和玻璃。

Crash Course Physics 速成课物理

And that's why the full equation for capacitance includes a dielectric constant, K.

因此,全电容方程包含一个常数 隔离,K。

潘潘

That day, when they were discussing whether the diesel oil is dielectric or not, the phone rang.

那天,当他们正在讨论柴油是否为电介质时,电话响了。

Crash Course Physics 速成课物理

So, by using a very thin dielectric, the distance is decreased while the plates remain separate.

因此,使用非常薄的电介质,可以减少 距离,而两个面板保持分开。

工程学速成课

Once the steel pipe is fully welded closed, it's slowly filled with a non-conductive  oil known as liquid dielectric.

一旦钢管完全焊接封闭,它就会慢慢充满一种称为液体电介质的非导电油。

Crash Course Physics 速成课物理

A dielectric is used to increase capacitance while preventing any charge from jumping from plate to plate.

绝缘体用于增加容量,同时 防止任何货物从一个盘子跳到另一个盘子。

Crash Course 综合篇

And that’s why the full equation for capacitance includes a dielectric constant, K. So dielectrics can help capacitors hold even more energy.

这就是为什么完整的电容方程包括介电常数 K。因此电介质可以帮助电容器保持更多的能量。

中文百科

介电质

按照经典介电质模型,原子是由带负电荷的电子云环绕着位于中心、带正电荷的原子核所组成。
感受到外电场的作用,原子核会朝着外电场方向迁移位置,而电子云则会朝着反方向迁移位置。
假设外电场为零,离子晶体内部离子整齐有规律的交替排列。
假设外电场不为零,正离子与负离子之间的相对位移会形成离子极化。

介电质dielectric)是一种可被电极化的绝缘体。假设将介电质置入外电场,则束缚于其原子或分子的束缚电荷不会流过介电质,只会从原本位置移动微小距离,即正电荷朝着电场方向稍微迁移位置,而负电荷朝着反方向稍微迁移位置。这会造成介电质电极化,从而在介电质内部产生反抗电场,减弱整个介电质内部的电场。假若介电质是由弱键结的分子构成,则这些分子不但会被电极化,也会改变取向,试着将自己的对称轴与电场对齐。

介电质通常指的是可被高度电极化的物质。在原子与分子层次,极化性可以用来衡量微观的电极化性质,从极化性可以理论计算出介电质的电极化率和电容率,两个巨观的电极化性质。或者,可以直接从实验测量出介电质的电极化率和电容率。假若置入了具有高电容率的介电质,则平行板电容器的电容会大幅增加,保存于两块金属平行板的正负电荷也会增加。

英语百科

Dielectric 介电质

A polarized dielectric material
Electric field interaction with an atom under the classical dielectric model.
按照经典介电质模型,原子是由带负电荷的电子云环绕着位于中心、带正电荷的原子核所组成。
感受到外电场的作用,原子核会朝着外电场方向迁移位置,而电子云则会朝着反方向迁移位置。

A dielectric material (dielectric for short) is an electrical insulator that can be polarized by an applied electric field. When a dielectric is placed in an electric field, electric charges do not flow through the material as they do in a conductor, but only slightly shift from their average equilibrium positions causing dielectric polarization. Because of dielectric polarization, positive charges are displaced toward the field and negative charges shift in the opposite direction. This creates an internal electric field that reduces the overall field within the dielectric itself. If a dielectric is composed of weakly bonded molecules, those molecules not only become polarized, but also reorient so that their symmetry axes align to the field.

近义、反义、联想词
近义词
n.
material, stuff

联想词
conductive传导的;conductivity传导性;capacitance电容;insulating绝缘的;waveguide波导管;insulator绝缘、隔热或隔音等的物质或装置;electrode电极;capacitor电容器;impedance阻抗;polymeric聚合的;nitride氮化物;
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更新时间:2025/6/19 0:57:08