在早型的以发光天体为主体的盘状星系中,根据光度分布规律可以得到面密度分布。
The mass distribution of surface density can be derived from the laws of surface luminosity distribution for earlier-type discoid galaxies, of which the main contents are bright.
发现在它们的红移、光学光度以及平均光学-X射线谱指数的直方分布图上,X射线选择类星体统计上都分布在这些参数图的低端。
On the histograms of their redshift, optical luminosity and average optical X-ray spectral index, it is found that X-ray selected quasars are distributed at the low ends of plots of these parameters.
在本文中,我们研究河外天体的红移分布和它们的光度函数之间的关系。
In this paper, we investigate the relation between the redshift distribution and the luminosity function of extragalactic objects.
利用迄今得到的321个脉冲星的资料,研究了脉冲星的光度函数和在银河系内的分布。
With the data of 321 pulsars the Galactic distribution and luminosity function of pulsars have been investigated.
为确定以不同硒含量的大豆为原料生产豆腐过程中硒分布特性,用石墨炉原子吸收分光光度法对该过程中各种产物的硒含量进行了分析研究。
To determine the selenium distributed characteristic in bean curd production process by soybean as the material, the content of selenium in products from this prosess was determined and studied.
用高效尺寸排除色谱以紫外吸收光度计寿检测器,测定了一个以正丁基锂引发的聚苯乙烯齐聚物的链长分布。
The chain length distribution of a oligomeric polystyrene sample initiated by n-butyl lithium was determined by high performance size exclusion chromatography on a ultraviolet absorption detector.
各型患者在不同年龄组中的分布相同(P>0.25),但脾肾阳虚者表现为屈光度较高(P<0.05)及具有更高的黄斑病变发生率(P<0.005)。
The distributions of the three in different age groups were the same ( P >0.25), but the last two had higher dioptry ( P< 0.05), and higher morbidity of macular disorders ( P< 0. 005 ).
通过透射电镜、动态激光光散射仪和紫外分光光度计对其进行了分析检测,得到了香气稳定、粒经分布较好的纳米微囊香精产品。
The optimal technical parameters were concluded and the products were tested by TEM, DLS and UV, it showed a good result of stable odor and particle size distribution.
用重量法和紫外分光光度法研究了铁路内燃机务段、蒸汽机务段和车辆段含油废水中油的形态分布规律。
The existence forms of oil waste water in railway diesel locomotive terminal, steam locomotive terminal and rolling stock depot have been studied by gravimetric method and ultraviolet spectroscopy.
在假定照明光源是均匀分布的小圆形光源和狭缝为一矩形的条件下,分别利用几何光学和傅立叶光学给出不同屈光度下光强分布情况。
In the case of little circular light source and rectangular slit, the simulation results of different myopic diopters are obtained by geometrical optical theory and Fourier optics respectively.
在假定照明光源是均匀分布的小圆形光源和狭缝为一矩形的条件下,分别利用几何光学和傅立叶光学给出不同屈光度下光强分布情况。
In the case of little circular light source and rectangular slit, the simulation results of different myopic diopters are obtained by geometrical optical theory and Fourier optics respectively.
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