费米太空望远镜在2009年就曾发现这一与正电子有关的特征现象的线索，地点正是在源于雷暴的地表伽马射线中。
The Fermi Space Telescope found hints in 2009 of the telltale pattern associated with positrons in terrestrial gamma rays stemming from lightning storms.
南极天文台三大观测宇宙的天文台之一，旨在检测由宇宙大爆炸而产生的大量存在于微光辐射中的扭曲现象，利用天文望远镜对宇宙射线背景进行筛选，再利用星系群的特点确定一个点，即当宇宙射线穿过极热气体时会产生轻微混乱，混乱的那一刻就是所要找的那个点。
The telescopes sift through the background cosmic radiation to find spots where it has been slightly perturbed as it passes through extremely hot gas, a hallmark characteristic of galaxy clusters.
这种现象引起了人们很大的惊讶，因为当时每个人都会认为影像(或X -射线)是由在阳光的触媒下的某种化学反应所产生。
This was a great surprise because everyone thought that the shadow (or X-ray) had been created by a chemical reaction with sunlight.
天文学家们利用美国国家航空航天局的钱德拉X射线天文台和欧洲航天局的XXM牛顿X射线天文台捕捉到了这一现象。
Astronomers used NASA's Chandra and the European Space Agency's XMM-Newton X-ray observatories to capture the event.
哈佛史密森天文物理中心、钱德拉X射线天文台新闻处的科学家彼得·埃德蒙兹说，1992年第一次观察到爆炸现象，尽管爆炸减弱了，但是一直可以看到。
The blast first was seen in 1992 and remains visible as it fades, said Chandra press scientist Peter Edmonds, of the Harvard-Smithsonian Center for Astrophysics.
在过去的整整十年中，天文学家们综合了所瞥见的爆发现象，创建了有关伽马射线爆发的标准理论。
From brief glimpses throughout the past decade, astronomers have pieced together a standard theory of gamma ray bursts.
当射线源比较弱、探测器探测效率低时，常常显示出统计起伏的现象。
The statistical fluctuation phenomenon will appear when the radiation source is relatively weak or the sensitivity of the detector is low.
术后6个月复查X射线片示全部病例植骨融合良好，无钛板或螺钉松动或断裂现象。
In the postoperative 6th month, X-ray image showed that all the patients had good bone graft fusion, and no Titanic plate or bolt loosening or fragmentation was found.
宇宙射线是相当常见的，总会干扰到探索其他天文现象的天文观测。
Cosmic rays are commonplace and frequently confound astronomical observations looking for other phenomena.
x射线谱图中，谱峰的重叠现象十分常见。
It is the common phenomenon that the spectral peaks are overlapped in the X - ray spectrum.
伽玛暴是来自宇宙学空间的一种短时标的伽玛射线突然增强的现象，它的研究已经成为当今天文学和物理学的热点之一。
Gamma-ray bursts (GRBs) are short, sudden and intense flashes of gamma rays from the cosmos distance, the study of which is a hot topic in astronomy and astrophysics.
本文实验研究了X射线激励下油间隙局部放电现象。
The partial discharge phenomena induced by X-ray irradiation in transformer oil-gap were investigated experimentally in this paper.
我们已经展示了人工放射现象的可能性，这种放射现象的特征是用以射线轰击用咄硼和镁中的正电子或负电子。
We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium by bombardment with alpha rays.
由于水泥熟料存在非晶相以及水泥熟料严重的多峰重叠现象，给X射线定量分析带来了极大的难度。
As there exists a amorphous phase in cement clinker and a serious multi-peak overlap phenomenon, huge difficulty in the X-ray quantitative analysis results.
与此同时还应用X射线小角散射技术和示差扫描量热仪等观测结构弛豫的手段测量了人工时效样品的相应现象。
The corresponding phenomena after the specimen was aged artificially was studied with the small Angle X-ray scattering and DSC, which are suitable for observing structure relaxation.
射线的衍射技术被用来研究同成组原子相关的现象。
X-ray diffraction techniques are used to study phenomena related to the grouping of the atoms themselves. See also materials science, Henry C. Sorby.
直流电压下X射线对气隙、油隙放电的激发过程存在明显的“滞后”现象，即：正极性电压下X射线照射首先抑制放电的发生；
Under DC voltage the restraint and time lag phenomena of partial discharge (PD) in cavities or oil gap by X ray irradiation were investigated.
发现部分元素的空心阴极灯发射线与其他元素的共振线或非共振线存在谱线重叠现象。
The spectral overlap was discovered among emission lines of some elements and resonance lines or non-resonance lines of other elements.
在此之前不久，另外有位科学家发现过铀元素放出射线的现象。于是玛丽便决定在这方面进行研究，以获取博士学位。
Not long before another scientist had found that uranium gave off rays, so Marie decided to study this area for her doctor's degree.
射线衍射分析结果表明冷喷涂过程中，无氧化现象发生。
Result for X-ray diffractometer test indicates that no oxidization occurred during the spraying process.
井下声波电视测井图上的一种异常现象。在电缆提升的过程中，由于下井仪器在井中的不稳定运动，而在阴极射线管上显示出异常的一种效应。
On borehole televiewer logs. An unusual effect produced on the cathode-ray tube display by erratic movement of the tool as it drags along the borehole.
天文学家们每周都能看到两三次伽马射线爆发(GRBs)现象，这种现象是恒星塌缩时产生的高能辐射所造成的短暂闪光。
Every week, astronomers sight two or three gamma ray bursts (GRBs), short flashes of high-energy radiation from collapsing stars.
本周三，日本发射一颗新一代X射线天文卫星，旨在揭示宇宙结构与太空中极端条件下的物理现象。
Japan on Wednesday launched a new generation X-ray astronomy satellite aiming to reveal the structure of the universe and physics at extreme conditions in space.
天文学家们利用美国国家航空航天局的钱德拉X射线天文台和欧洲航天局的XXM牛顿X射线天文台捕捉到了这一现象。
Astronomers % used NASA's Chandra and the European Space Agency's XMM-Newton X-ray observatories to capture the event.
天文学家们操作美国国家航空航天局的钱德拉X射线天文台和欧洲航天局的XXM牛顿X射线天文台捕捉到了这一现象。
Astronomers used NASA's Chandra and the European Space Agency's XMM-Newton X-ray observatories to capture the event.
为了解释各类黑洞吸积盘系统中观测到的硬X射线发射，也为了完善我们的模型，使之更好地解释X射线天文现象，我们在3.4节引入盘冕。
In order to explain the hard X-rays observed in the BH-disc systems, as well as to make our model more self-consistent, corona is introduced in Sec. 3.4.
为了解释各类黑洞吸积盘系统中观测到的硬X射线发射，也为了完善我们的模型，使之更好地解释X射线天文现象，我们在3.4节引入盘冕。
In order to explain the hard X-rays observed in the BH-disc systems, as well as to make our model more self-consistent, corona is introduced in Sec. 3.4.
应用推荐