quasar

Study on the River Water Quality Model QUASAR

浅析QUASAR河流综合水质模型

Determination of the cosmological deceleration parameter based on statistical analysis of various quasar subsets

利用多种类星体子集的统计分析来确定宇宙减速因子

It is particularly important to study the absorption lines of quasar.

类星体吸收线的研究具有重要意义。

The identification of quasar spectral lines and general physics teaching

类星体谱线证认与普通物理教学

Quasar is short for quasi-stellar radio source.

类星体是类似恒星射电源的缩写。

e. sterl phinney, a caltech astronomer and expert on supermassive black holes currently on sabbatical at radboud university in the netherlands, agreed that dr. haiman's model explains the quasar variations.

加州理工的天文学家E·施特尔·菲尼（E.Sterl Phinney）是超大质量黑洞领域的专家，目前在荷兰的内梅亨大学（Radboud University）休学术假。他认为海曼的模型能够解释这颗类星体的闪动。

They do so by combining quasar spectra with numerical simulations of structure formation.

他们的做法是将类星体光谱和结构形成的数值模拟结果结合在一起.

The serendipitous discoveries of quasar and pulsar are closely related to the technology of aperture synthesis radio telescope.

类星体、脉冲星的意外发现都与综合孔径望远镜技术紧密联系。

Is it an asteroid, dwarf planet, comet or quasar?

它是小行星，白矮星，彗星还是类星体？

Three dimensional spheroidal power spectrum analysis for LBQS quasar sample

LBQS类星体样品球空间功率谱分析

This disk may be a rational model for the region of continuum radiation of quasar.

它是类星体主要辐射区域的一种合理模型。

Therefore , quasar absorption lines cosmological probes of formation and evolution of galaxies.

对类星体吸收线的研究将有助于我们了解星系的形成和演化.

Period Analysis of Secular Optical Light Variation of the Quasar PKS 2251+ 158

类星体PKS2251+158的长期光学光变周期分析

The statistical results show that the quasar clustering at low redshift ( Z < 2) and on small scale ( < 10Mpc) has been confirmed at high statistically significant level.

研究结果表明在较高的统计置信度水平上，类星体至少在低红移（Z<2）和小尺度（<10Mpc）上是成团分布的。

Due to the inherent extremely noisy characteristics of quasar spectrums and the limitation of observable conditions, automatic quasar recognition is a hard problem to tackle, and the commonly used direct matching approaches based on rules are ineffective.

类星体光谱固有的高噪声和观测光谱特性，给类星体识别带来很大困难。一般来说基于规则的直接匹配方法在类星体识别中效果不佳。

this research suggests that not all supermassive black holes were formed in the quasar era.

这些研究暗示，并非所有超大质量黑洞都是在类星体时代形成。

Powered by a massive black hole, the quasar suddenly turned off, leaving only galaxy and glowing voorwerp visible in telescopes at optical wavelengths.

这种由超大黑洞提供能量的类星体熄灭后，在光学望远镜中只能见到星系和明亮的哈尼天体。

Correlation Studies Between Galaxies and Quasar Candidates in Southern Galactic Pole

南银极区星系与类星体候选者的相关性研究

It brought on some great discoveries in astronomy, such as quasar, microwave background radiation etc. In radio astronomy, interferometry is an important technique which is still under developing.

二战以后，射电天文学得到了蓬勃发展，导致了类星体、微波背景辐射等一系列重大发现。在射电天文学中，干涉测量技术始终是发展的主要方向之一。

Analysis of property of quasar spectrum

类星体光谱特征分析

Some tools were used to analyze the collected data: The Mathematics Tasks Framework, Guide For Tasks Analysis and Factors Associated With Maintenance And Decline Of High-level Cognitive Demands in QUASAR project, Pittsburgh University, some techniques of video-taped analysis and discourse semantic analysis.

分析主要采用了匹兹堡大学QUASAR课题研究成果中的数学任务框架、任务分析指南、保持和降低高认知要求任务的因素等作为工具，并使用了录像带分析技术和语言交流的语义分析。

Gravitational energy is the energy source of many astrophysical systems in the universe, such as quasar and X-ray binaries, etc, and accretion is an effective mechanism of releasing gravitational energy.

类星体和X射线双星等很多宇宙中的天体系统的能量都来源于引力能，而吸积正是释放引力能的一种有效机制。