gamma ray astronomy是什么意思

用法例句

As technical developments and knowledge improvements, radio astronomy, infrared astronomy, ultraviolet astronomy, X-ray astronomy and γ-ray astronomy were developed one by one during some decades from 1940s, and.

随着技术进步和认识上的提高,从1940年代起的几十年中,相继诞生并发展了射电天文学、红外天文学、紫外天文学、X射线天文学和γ射线天文学,从而实现了对天体辐射观测的全波段覆盖,诞生了多波段天文学,人类对宇宙和宇宙中各类天体、天象的物理本质的认知迈入了全新的阶段。

in recent years and its applications in X-ray astronomy.

文章介绍时变分析的时间尺度谱方法及其在X射线天文学中的应用。

As technical developments and knowledge improvements, radio astronomy, infrared astronomy, ultraviolet astronomy, X-ray astronomy and γ-ray astronomy were developed one by one during some decades from 1940s, and.

随着技术进步和认识上的提高,从1940年代起的几十年中,相继诞生并发展了射电天文学、红外天文学、紫外天文学、X射线天文学和γ射线天文学,从而实现了对天体辐射观测的全波段覆盖,诞生了多波段天文学,人类对宇宙和宇宙中各类天体、天象的物理本质的认知迈入了全新的阶段。

This paper gives the principle frame image of angle welding radial detection,evaluates its safety property and reliability,and describes its application.

本文对在用废热锅炉管板角焊缝的射线检验技术进行了详细介绍,并对检验可靠性进行了详细讨论。

Novel image reconstruction algorithm for muti-phase flow tomography system using γ ray method;

基于γ射线多相流成像系统图像重建算法

Resonace absorption research of matter to rays and its prospect of application;

物质对射线的共振吸收研究及其应用前景

Working principle of the KD 421 γ ray micro computerized productivity meter;

KD-421γ射线微机产量计工作原理

Objective: This study is to use electronic portal imaging device (EPIDs) to analyze the symmetry and flatness of radiation field for linear accelerator, trying to provide an easy way for routine quality assurance to save time and reduce workload.

目的:利用带电子射野影像装置(electronicportalimagingdevice,EPIDs)对射线野的对称性和均匀度进行测量,以替代常规的测量手段,更可以达到节省人力物力和时间。