查询词典 photon

In addition, Compton scatter was the major in teraction of photon with the final collimator.

对于光子的散射，又以康普顿散射为主，其它散射所占的份额很小，并且在准直器孔径内主要的是一次散射。

To solve the problem, an adaptive adjust method for dynamic range of photon correlator was presented in this paper.

对此， 提出一种可根据被测颗粒体系的粒度分布范围变化，自适应修正测量参数进行光子相关器动态范围调整的方法。

Using the damping scaling theory of the free current in cosmism,it unitedly estimated that the mass and radius of the classical black hole, Planck particle ,nucleon,electron,particle of dark matter,and photon.

讨论了多成分宇宙中稳定粒子的基本性质，用宇宙演化中的自由流阻尼标度理论统一估算了经典黑洞、普朗克粒子、核子、电子、暗物质粒子、光子的质量和半径，量级与某些已知数据相符。

Design and synthesis of materials with large two-photon absorption cross-section is the important basis of its development.

本论文对卟啉衍生物，咔唑衍生物和杯[4]芳烃衍生物进行了系统的理论研究。

Cryostat sections were prepared and examined by two photon confocal microscopy.

中枢神经系统受放射损伤的SD大鼠4个月后予静脉输注GFP-MSCs。

The γ energy spectrums in NaI crystal detector are obtained by establishing a correlation between the deposit energy of γ photon and the output of pulse amplitude.

直接以γ光子在NaI(T1)闪烁晶体中的沉积能量近似对应实际γ能谱仪的脉冲幅度输出。从而得到NaI(T1)探测器中γ射线的响应谱线。

The original two-photon JC model is generalized to the case of degenerate atomic level.

本文研究了双光子JC模型的耗散与退相干，得到了一些不同于单光子过程结论；发现双光子过程中场的相干性无论在质的方面及量的方面都受腔耗散的影响，这是与单光子过程明显不同的。

They are the Experimental Study On Using Lock-in Amplifier As Spectrum Analyzer and the Experimental Study On Using Single-photon Counting Experimental System for Measuring Diaphaneity.

它们分别是锁定放大器用作频谱分析仪的实验研究和单光子计数系统用作透明度测量的实验研究。

It is found that in electric dipole field, the differential cross section vanishes in the same and opposite propagating directions of the photon flux.

我们运用费曼微扰方法分别计算了在磁偶极场、电偶极场和均匀静电场及静磁场中光子转化成轴子的非极化微分截面。

The absolute differential cross section of e-Ar scattering with one-, two-, and three-photon exchange at scatering angles 1°～26° are calculated.

利用第二玻恩近似方法对激光场中e-Ar的散射进行了研究，计算了散射角为1°～26°，交换多个光子的微分散射截面。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。