查询词典 white dwarf

This article employ the new theory in the point of view of the composite system to study the mechanical equilibrium of white dwarf stars.

本文应用这一新理论，以复合系统的观点研究了白矮的力学平衡问题。

Some day small stars the size of the sun will become white dwarf stars.

有一天，像太阳那么大的小星星会变成白矮星。

His team used observations from NASA's Spitzer Space Telescope to investigate dead white dwarf stars .

他的研究小组使用的意见来自美国宇航局，美国宇航局的斯皮策太空望远镜观测到死了的白矮星。

A white dwarf having the mass of the Sun will have a diameter approximately of that of the Earth.

一颗质量与太阳相若的白矮星，其体积跟地球差不多。

It is also very dense and hot.A spoonful of white dwarf material on Earth would weigh as much as a car.

一勺子的白矮星物质在地球上和一辆车，一样重。

Then it shrinks down into a skeleton of its former self-a white dwarf.

然后它缩小成它的前身--白矮星的骨架。

It is like escaping the gravitational field of a white dwarf and regaining the dissipated coma.

就好像是逃出白矮星的引力场，就好像从昏睡中醒来一样。

A white dwarf may be the size of the Earth, but contain the same mass as the Sun.

白矮星可能只有地球大小，但包含的质量可能与太阳相当。

Artist's view of the accretion of materials on a white dwarf.

画家笔下的白矮星吸积物质的情景。

According to Farihi and his team, studying white dwarf stars is a good way to study planetary systems outside of our own Solar System.

根据Farihi团队的研究，白矮星周围的行星系统是了解太阳系外行星的一个好途径。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。