当然一个变化的磁场会产生电场,就像法拉第做的那样。
A changing magnetic field, of course, gives rise to an electric field, as had been established by Faraday.
它们表明,变化的电荷会产生磁场,变化的磁场同样能够产生电场。
They state that a moving electric charge will generate a magnetic field while a shifting magnetic field similarly creates an electric field.
这和以前不同了,如果存在一个变化的磁场,穿过金属线圈,线圈内就会产生一个电压。
Well,a small change in plans.If you actually have a varying magnetic field that passes through that wire then that will actually generate voltage in it.
用类比方法来计算以恒定速率变化的磁场产生的感应电场是一个简便的方法。
In this article, it is pointed out that calculating induced electric field caused by variable magnetic field in constant velocity by analogical method is a simple method.
非静电场这一概念,在电磁学里指对实验室参照系存在变化的磁场激发的感生电场而言。
The concept of non-electrostatic field refers to the induced electric field stimulated by the changing magnetic field of reference system in a lab in electromagnetics.
其高温的原因至今是个未解之谜,但是人们认为这是与联通太阳的等离子体的快速变化的磁场循环有关。
The reason for the high temperatures is unknown but thought to be related to the rapidly changing magnetic field loops that channel solar plasma.
当孩子的大脑回应每种声音时,脑磁图描记术机器中的非侵入性探测器就会分析大脑中变化的磁场。
As the child's brain responds to each sound, non-invasive detectors in the MEG machine analyse the brain's changing magnetic fields.
进行该项治疗的患者在头部置有一个线圈,这个线圈通过电磁感应在一个变化的磁场中激活弱电流。
Patients undergoing this treatment have a coil placed on their head which uses electromagnetic induction to activate weak electric currents via a changing magnetic field.
他同时认识到,变化电场强度将会产生一个变化的磁场,甚至在一个没有移动电子的空间中也是如此。
He also realised that varying the strength of an electric field would generate a changing magnetic field, even in empty space with no moving electric charges to speak of.
本文用磁场元的叠加法计算二维变化的磁场所产生的涡旋电场,解决了在普通物理学范畴内通常无法解决的问题,并用此法求解了两个算例。
In this paper, the vortex electric field is computed. It is caused by magnetic field subject to two dimensional change. This problem can't be solved in general physics. Two examples are listed.
显然,试图解释和预测磁场变化的地球物理学家必须了解外核发生了什么。
Clearly, geophysicists who seek to explain and forecast changes in the field must understand what happens in the outer core.
地磁活动是地球磁场的自然变化,其波动周期为11年。
Geomagnetic activity, the natural variations in Earth's magnetic field, it fluctuates in 11-year cycles.
1832年,也就是迈克尔·法拉第发现磁场变化会产生电场的那一年,一位年轻的法国工程师为一种新的、效率更高的水车申请了专利。
In 1832, the year of Michael Faraday's discovery that a changing magnetic field produces an electric field, a young French engineer patented a new and more efficient waterwheel.
几年前殷亚东做了这样一个实验:当对微珠施加一个磁场压力时,珠子的颜色起了变化。
A FEW years ago Yadong Yin was experimenting with tiny beads that changed colour when a magnetic field was applied to them.
海龟利用地球磁场的变化分辨南北方位,从而指引自己沿正确的纬度迁徙,这对科学家来说并不陌生。
Scientists already knew that the creatures used changes in Earth’s magnetic field to help them tell north from south and steer themselves along the right latitude.
海龟利用地球磁场的变化分辨南北方位,从而指引自己沿正确的纬度迁徙,这对科学家来说并不陌生。
Scientists already knew that the creatures used changes in Earth's magnetic field to help them tell north from south and steer themselves along the right latitude.
小组发现,在磁场之中,原子的方向以特殊的方式发生的变化,而这种变化可以被穿过原子云的光束探测到。
In the presence of a magnetic field, the atoms' orientation changed in a particular way, and this change was detectable in the light that came through the atom cloud, the team found.
由于磁场变化对普通金属只会造成远远不到百份之一的电阻变化,这种现象被称为“巨磁电阻”或巨磁阻gmr。
Since a magnetic field changes the resistance of ordinary metals by only a fraction of a percent, they dubbed this phenomenon "giant magnetoresistance," or GMR.
由于磁场变化对普通金属只会造成远远不到百份之一的电阻变化,这种现象被称为“巨磁电阻”或巨磁阻GMR。
Since a magnetic field changes the resistance of ordinary metals by only a fraction of a percent, they dubbed this phenomenon "giant magnetoresistance, " or GMR.
这些天文学家中有一些人计划利用星际尘埃数据来研究银河磁场这一起源与变化都没有得到充分了解的事物。
Some of them plan to use the interstellar-dust data to study the Milky Way's magnetic field, the origins and behavior of which are not well understood.
这一传递中的变化使得研究人员可以同时找到磁场的大小和方向。
This change in transmission allowed the researchers to find the size and direction of the magnetic field at the same time.
地球磁场不同的变化会造成它们不同的自旋方式,每种方式都会让罗盘的化学状态表现出细微的差异。
Variations in Earth’s magnetic field cause them to spin in different ways, each of which leaves the compass in a slightly different chemical state.
这种变化与地球磁场曾经发生过的变化相比还算温和的——有时地球磁场会完全翻转,地磁北极和地磁南极会对调。
These changes are mild compared to what Earth's magnetic field has done in the past - sometimes the field completely flips, with the north and the south poles swapping places.
这种变化与地球磁场曾经发生过的变化相比还算温和的——有时地球磁场会完全翻转,地磁北极和地磁南极会对调。
These changes are mild compared to what Earth's magnetic field has done in the past —sometimes the field completely flips, with the north and the south poles swapping places.
也许它们感受磁场变化速度的细微变化,就像登山旅行者参照地形图上密密麻麻的线段以辨别一个与众不同的峡谷。
Maybe they sense slight variations in the rate of change in the magnetic field, much like a hiker reads tightly spaced lines on a topographic map to discern a distinctive canyon.
带电粒子的能量大小与磁气圈中的磁场的大小变化极大。
The energy of the particles and the fields in the magnetosphere can vary by large amounts.
传感器成功探测到心跳所伴随的微弱而规则的磁场变化。
The sensor successfully detected the weak but regular magnetic pattern of the heartbeat.
这种状态的变化会影响鸟类视觉信号在细胞中的传输,最终造成鸟类对磁场的感知。
The state alters the flow of cellular signals through a bird’s visual pathways, ultimately resulting in a perception of magnetism.
磁场的变化是像太阳这样的恒星表面黑子活动周期的根源,尽管经过几十年的认真研究之后,地球人仍然对其知之甚少。
The magnetic activity of stars like sun, which is the root cause of the sunspot cycle, is still poorly understood even after decades of intense study.
磁场的变化是像太阳这样的恒星表面黑子活动周期的根源,尽管经过几十年的认真研究之后,地球人仍然对其知之甚少。
The magnetic activity of stars like sun, which is the root cause of the sunspot cycle, is still poorly understood even after decades of intense study.
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