发射光子的能量怎么样？
上层能带中的电子最后会发射光子释放能量。
The electrons in the upper band eventually release energy, thereby emitting photons.
生物体可以应激而发射光子生成超微弱发光图像。
Living systems may emit photons in response to stress and generate an ultra-weak luminescence bio-image.
唯一让这种原子回到基态的方式是发射光子，降低自身的能量。
The only way to calm this atom down is for it to rid itself of the energy by firing off a photon.
想一想，要是把时间倒转来看，发射光子的过程会变成什么样子呢？
Consider what the emission process looks like when viewed reversed in time.
结果表明：编码条所接收到的光源发射的光子数目大约占发射光子数的16.3%。
The results show that the amount of the light that the code strip received is about 16.3% of the total light that the LED of the encoder emits.
论述了高电荷态离子与表面相互作用的过程，说明了发射电子、发射光子、负离子、中性粒子、正离子的散射和发射的物理机理以及应用前景。
The interaction between highly charged ions and surface is investigated, the mechanisms for emissions of electrons, photons and scattered neutral particles, negative and positive ions are reviewed.
当潜艇地100米海底时，要建立安全的通信链路，把光子激光发射到卫星上去，再由卫星转发回基地。
To establish a secure link while remaining 100 metres underwater, submarines could transmit photons of laser light to satellites, for retransmission to base.
光子发射，可能。
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。
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.
当发射光照到相机的传感器上时，每个像素点抓取一个特定的波长，并对匹配波长的光线进行电子放大。 从仅有几个光子的微弱的原始信号，放大到可见的强度。
That amplifies the original dim signal, composed of just a few photons, until it becomes visible.
这两个光子一起发射出去，形成相干辐射。
所以，你们可能会问向，金属发射不同数量的光子，有什么重要性？
So, you might ask then well what is the significance of shooting different amounts of photons at a metal?
在接受放射性药物123i - FP - CIT注射3小时后，患者进行了单光子发射断层扫描(SPECT)成像评估基线多巴胺转运体功能。
Three hours after receiving an injection of the radiopharmaceutical 123i-fp-cit, patients underwent single-photon emission tomography (SPECT) scanning to assess baseline dopamine transporter function.
目的：采用单光子发射CT分子功能影像技术探讨头皮针刺疗法信号传递的途径和原理。
Objective To explore the route and mechanism of scalp acupuncture signs by means of molecular functional imaging technology of single photon emission CT.
研究了脉冲激发下单个半导体量子点中单光子发射的统计特性。
The statistic characteristics of single photon emission in single semiconductor quantum dot with pulse excitation have been investigated.
在单光子发射断层成像(SPECT)中，为了校正劣化因素的影响，提高图像质量，需要对SPECT成像的物理过程进行准确建模。
In single photon emission computed tomography (SPECT), accurately modeling of the physics of SPECT imaging process is essential to degrading factor compensation and image quality enhancement.
目前临床上应用最广泛的核医学仪器是单光子发射型计算机断层，即SPECT。
Now the most widely used nuclear medical instrument in clinic is Single Photon Emission Computed Tomography (SPECT).
为了研究电火花加工过程的机理，基于光子发射计算了阴极、阳极的能量分布。
In order to study the mechanism of electrical discharge machining (EDM), the energy distribution of cathode and anode was calculated based on photon emission.
目的探讨脑单光子发射断层扫描(SPECT)血流检测对短暂性脑缺血发作(TIA)患者认知障碍判断的价值。
Objective to explore the value of single photon emission computed tomography (SPECT) cerebral blood flow in detecting the cognitive ability of patients with transient ischemic attack (TIA).
我们运用这个理论解释或解决了肌肉收缩、电子传递、红外光的非热效应机理及生物光子发射等重要生物学问题。
We can explain the muscle contraction, electronic transfer in the living systems, mechanism of non-thermally biological effect of infrared lights absorbed and bio-photon emission, and so on.
单光子发射计算机体层摄影术(SPECT)检查心肌缺血区缩小。
The ischemia region of the heart decreased through the single photon emission computed tomographic (SPECT) test.
讨论了单光子发射断层显像(SPECT)病历管理软件的建立方法。
The method of developing medical records management system of single photon emission computed tomography (SPECT) is discussed.
讨论了单光子发射断层显像(SPECT)病历管理软件的建立方法。
The method of developing medical records management system of single photon emission computed tomography (SPECT) is discussed.
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