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The features and applications in superprecision turnings of piezoelectric ceramic inching motion devices are introduced.

介绍了压电陶瓷微动性能特点及在超精密车削加工中多种用途。

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The functionally graded layers are inhomogeneous along the thickness direction, while the piezoelectric layer is homogeneous;both possess material orthotropy.

假设上下功能梯度层材料参数沿厚度连续变化,而压电层则是均材料,并且它们都是正交各向异性

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Abstract: A network model was developed to analyze a piezoelectric source driving a resonantor to investigate the coupling of the piezoelectric loudspeaker with a thermoacoustic resonantor.

为了研究压电驱动器与热声谐振腔间耦合特性,建立了压电驱动系统型。

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According to the problem of position discontinuity using GPS in city cars, a scheme that GPS is combined with DR which is composed by piezoelectric gyro and milemeter is put forward.

针对城市车辆全球定位系统(GPS)定位存在不连续性问题,提出了采用压电陀螺和里程仪组成低成本航迹推算系统与GPS组合方案。

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经济学人-科技

Previous attempts to use cardiac muscle power to run pacemakers relied on piezoelectric materials.

之前使用心脏肌肉能量运尝试是依赖于压电材料。

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And we thought, OK, let's combine it with a piezoelectric material.

我们想,好吧,让我们将它与压电材料结合来。

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TED-Ed(视频版)

Piezoelectric quartz crystals in the sonar's transmitter vibrated when they were subjected to alternating voltage.

声纳发射器中压电石英晶体在受到交流电压时会振动。

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TED-Ed(视频版)

Let's look at quartz, a piezoelectric material made of silicon and oxygen.

让我们看看石英,一种由硅和氧制成压电材料。

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TED-Ed(视频版)

Piezoelectric materials can have different structures.

压电材料可以有不同结构。

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TED-Ed(视频版)

Piezoelectric materials turn mechanical stress, like pressure, sound waves, and other vibrations into electricity and vice versa.

压电材料将压力、声波和其他振动等机械应力转化为电能,反之亦然。

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经济学人-科技

Dr Zhang and Dr Yang speculated that they could improve matters by arranging for their piezoelectric composites to be more dramatically deformed.

张浩和杨斌推测,他们可以通过让压电复合材料更加变形方法改善题。

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TED-Ed(视频版)

More materials are piezoelectric than you might think.

压电材料比您想象要多。

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TED-Ed(视频版)

And the stronger the compression on piezoelectric materials, the larger the voltage generated.

并且对压电材料压缩越强,产生电压就越大。

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经济学人-科技

Transducers are made from arrays of tiny piezoelectric structures that convert electrical signals into ultrasound waves by vibrating at an appropriate frequency.

压电式换能器是由具有‘压电'效应一系列敏感元件机构组成。敏感元件机构通过‘定频'震荡将电信号转换成超声波。

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TED-Ed(视频版)

And piezoelectric devices may become even more common since electricity is in high demand and mechanical energy is abundant.

由于电力需求量大且机械能丰富,压电设备可能会变得更加普遍。

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TED演讲(视频版)当月精选

And on the outer shell we have the piezoelectric material, the material that when the inside gets bigger, the outside produces the electricity.

在外壳上我们有压电材料,当内部变大时,外部就会产生电力。

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TED-Ed(视频版)

Scientists have created a variety of synthetic piezoelectric materials and found applications for them in everything from medical imaging to ink jet printers.

科学家们创造了多种合成压电材料,并在从医学成像到喷墨打印机方面找到了它们应用。

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自然杂志:科技

These generate power and send it to a control board that operates a pair of piezoelectric actuators – clever materials that work a bit like a muscle and contract when a voltage passes across them.

它们产生电能并将其发送到控制板,该控制板操作一对压电致动器 - 聪明材料有点像肌肉,当电压通过它们时会收缩。

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TED演讲(视频版)当月精选

First we fill them up with the piezoelectric material, which is represented in yellow in the bottom figure, and then we fill it up with the stimuli-responsive material that is the light blue in the bottom figure.

首先我们用压电材料填充它们,在下图中用黄色表示,然后用刺激响应材料填充它们,在下图中用浅蓝色表示。

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