| 释义 |
photons 英'fəʊˌtəns美'foʊˌtəns COCA¹⁸⁹⁹⁴BNC²⁵⁵⁹⁹Economist²⁹⁹⁰¹⁺⁴
基本英英例句例句
n.光子⁹⁴;光量子⁵名词photon的复数形式¹.原型photon的复数
名词 photon:
a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle用作名词Researcher redefines the physics ofphotons.研究人员重新定义光子物理学。
These energy packets are calledphotons.这些具有能量的微粒叫光子。
The sodium cloud would simply absorb all thephotons.钠云会完全吸收掉所有光量子。 A simple experiment that sends photons through three slits provides the best proof yet of an important axiom of quantum theory called Born's rule, say physicists in Canada and Austria.
加拿大和奥地利的物理学家介绍，这个简单的实验通过三个缝发出光子，为量子理论的一个重要公理“波恩定则”提供了最好的证明。 yeeyan
How about if we shoot this many photons?
如果我们把这众多的光子,射出去又会怎样？163
It is possible to improve on this scaling, however, by entangling the photons, because this correlates what would otherwise be independent sources of noise from the individual particles.
然而，这个比例可以通过光子纠缠而得到提升，因为这使得那些来自单个粒子本该独立的噪声源变得互有关联。 yeeyan
The “ quantum states” of atoms, light particles known as photons, molecules and even objects big enough to be seen have been extensively studied.
无论是像光子这样的轻粒子，还是分子，甚至是可见的微粒，它们的量子态都已经被广泛地研究过了。 yeeyan
What is not easy to work out is exactly how many photons have arrived.
不容易办到的是要精确计算出有多少光子经过。 ecocn
All well and good. But if that pattern was the result of interference then presumably what we can do is get rid of interference by firing single particles of light, single photons at the screen.
这一切都很好，但是如果那个图形是由干扰造成的,那么或许我们可以,通过向屏幕放射光的单粒子，即单光子来消除干扰。163
An ultra- fast laser pulse triggers the atoms to emit photons simultaneously.
一个超快的镭射脉冲引起原子同步放射出光子。 yeeyan
As the pulse passed through the glass, its event horizons should have swept some of these photons up, producing Hawking radiation from the partners they left behind.
而随着脉冲穿越玻璃的过程中，其视界就会把这样的一些光子扫起来，这样就通过它们留在身后的搭档制造出霍金辐射。 ecocn
But how much of a delay between neutrinos and photons would we expect if the OPERA result applied?
但是，如果 OPERA的结果适用，我们指望中微子和光子之间的延时能到多大程度？ yeeyan
For the most part, researchers have only found signs of entanglement between tiny particles, such as ions, atoms and photons.
研究人员在绝大多数情况下，仅发现了微小粒子间有缠绕态的迹象，比如离子、原子、光子。 yeeyan
He compared the early scientific understanding of phonons with that of understanding electrons and photons behind electricity and light.
他将人们对声子的早期科学认识，和对电与光现象背后的电子和光子的认识进行了比较。 yeeyan
In light of this finding, scientists have wondered whether single photons travel at the group velocity or the signal velocity.
在这些发现的基础上，科学家曾经怀疑，是否单个光子可以达到“群速度”和“信号传播速度”。 yeeyan
Intensity, if we increase the intensity, we're not increasing the energy in each photon, we're just increasing the number of photons that we're shooting out of our laser, whatever our light source is.
强度，如果我们增加强度，我们增加的不是,每个光子的能量，我们增加的仅仅是,从我们激光源射出的光子数，无论我们的光源是什么。163
Normally, in a photovoltaic cell, electrons knocked free by photons are then carried away by an electric field within the photovoltaic material to a contact wire.
通常，在一块光伏电池内，被光子撞击释放的电子在光伏电池的内电场作用下通过与电池相连的导线传出。 ecocn
Second, they need to convert those photons into electrons as efficiently as possible.
第二，光电面板需要尽可能高效的将光子转换成电子。 yeeyan
She uses these pulses to determine how to polarise the photons she sends back.
她利用这些脉冲检查她送回的光量子是如何极化的。 ecocn
Such a quantum repeater uses groups of three photons for each bit of the message.
这种量子中继器使用一组三个光子对应信息的一个字节。 yeeyan
That is not very exciting by itself, but this detector counts single photonsthe particles of which light is composed— and can do so at room temperature.
这本不是什么大问题，但这台机器需要检测单个的光子，并且是在室温下做这项工作。 yeeyan
That means they should escape the star almost immediately, while photons of light will take about3 hours.
这意味着它们几乎应该立即脱开恒星，而光子则需要约3小时才能离开。 yeeyan
The researchers have invented a novel“ photonic molecule” system in which a semiconductor quantum dot emits a pair of entangled photons per excitation pulse.
研究人员发明了一种新型“光子分子”系统，其中半导体量子点在每个激励脉冲都会发出一对纠缠光子。 yeeyan
The hemisphere of the asteroid facing away from the sun will radiate the stored solar heat into space, so infrared photons will be emitted.
这离开阳光照射的半球的表面将会把存储的太阳热能辐射到太空，因而散发出红外光子。 yeeyan
These cells absorb photons in light and transfer their energy to electrons, which form an electrical circuit.
这些电池吸收了阳光中的光子，将它们的能量转移到电子上，由此形成一个电路。 ecocn
These speedy electrons interact with photons in the galactic halo, boosting some of them up to the gamma-ray energies observed in the bubbles.
这些高速电子与银河晕的光子相互作用，将它们中的一些激发，使之成为泡泡中观测到的伽马射线。 yeeyan
They suggest that any alien civilisation worth its salt would alight not on the photons of the electromagnetic spectrum—whether optical or radio-frequency— to send messages to other solar systems.
他们指出，任何有头脑的外星文明都不会发射电磁波谱中的光子——无论是可见光波段还是射频波段——向另一个太阳系传送信息。 ecocn
We now know that“ quantum objects” might not need to be single atoms or photons.
现在我们知道“量子物体”可能不需要单个粒子或光子。 yeeyan
What the several researchers found was that there were more photons in some places than there should have been and fewer in others.
这些研究者所发现的就是：有些地方的光子多而有些地方却很少，但事实上不该如此。 ecocn
When photons pass through or reflect off of something, they give that object momentum.
当光子穿过某物或由某物反射时，就会给该物体一个动量。 yeeyan
With the transistor laser, researchers can explore the behavior of photons, electrons and semiconductors.
用这种晶体管激光，研究人员能够探索光子，电子和半导体的性能。 yeeyan |