查询词典 photon

The Rydberg states of these amines arefirstly 2- or 3-photon resonantly excited, then the intermediate states are further excited toionization continuum.

一个明显的共同特点是母体离子由α-键断裂或拟-α键断裂产生的碎片离子强度很大。

The influence of the photon with non-zero rest mass was calculated on the motion equations of electromagnetic wave.

这些检验大多数是在平直时空下，以重电磁理论为理论基础的，而重电磁理论最直接的结论之一就是重光子在真空中的色散效应[1]。

Our group started the experimental test of the photon rest mass in 2000, and presented a scheme of the modulation method with the precise torsion balance.

我们实验室于2000年开始进行光子静止质量的实验检验，并提出了扭秤调制法检验光子静止质量的实验方案。

Whether the rest mass of the photon is zero or not hence became one of the fundamental problems confronted by many physicists.

恒定光速暗含了传播电磁波的媒介——光子的静止质量必须为零的假设，而光子静止质量是否为零也就成为物理学家们一直希望能够正面回答的基本问题之一。

One of the major contributions of Maxwellian theory was that it set up an essential relation between the electromagnetic field and light in vacuum, and defined the speed of electromagnetic wave as the constant speed of light c , which implies a hypothesis that the rest mass of the photon should be zero exactly.

麦克斯韦电磁理论的一个重要贡献在于它将真空中的电磁场与光联系起来，并将电磁场的传播速度定义为真空的属性，即恒定的光速 c ，因而建立了电磁波与光之间的本质联系。

They also restock photon torpedoes and repair damage.

他们还进货光子鱼雷和修复损伤。

A right circular cone .Shaped like a cone .Closely related to PET is single- photon emission computed tomography, or SPECT.

与正电子发射x射线摄影技术密切相关的是单光子发射计算机化成像。

This dissertation is dedicated to investigate the pyrolysis of the fuel-bonded nitrogen model compounds,including five-membered ring nitrogen model compound pyrrole and the substituted six-membered ring nitrogen compound 4-methyl pyridine,with vacuum ultraviolet single-photon ionization combined with molecular beam mass spectrometry technique.

本论文利用同步辐射真空紫外单光子电离、分子束取样和反射式飞行时间质谱相结合的技术研究了含氮杂环模型化合物的热解，包括五元环含氮体系、六元环含氮体系和替代的六元环含氮体系(4-甲基吡啶)。

So in this paper, the improved models were proposed which regarded the leaf photosynthetic trait and the light penetrating into row cucumber crop canopy heterogeneously, it is composed by the model of photon transport in heterogeneous leaf canopy and the empiristic formula which described regression between leaf age and maximal photosynthesis rate and use efficiency of sunlight.

该文所建立的日光温室黄瓜非均质冠层光合速率模型考虑到日光温室黄瓜冠层内光照分布以及叶片光合特性的不均匀性，其包含了非均匀冠层的透光模型和描述冠层叶片光合特性差异的经验公式。

It start with several plain and rusticity problem, have described the problem about essential of Doppler offect of sound wave, relative velocity between photon, third observer.

先从几个比较浅显、质朴的问题入手，对声多普勒本质、光子间的相对速度问题、第三者问题作了较详尽的探讨和证明。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。