the researchers first used the hubble space telescope to track the dwarf galaxy leo i, which at 850000 light-years away is one of the most distant of the satellite galaxies swarming around the milky way.

1、

a new estimate, based on its effect on the motion of a nearby dwarf galaxy, has the milky way a bit beefier than some past measurements that relied on the motions of massive stars.

基于银河系对毗连的矮星系的引力作用，研究人员作出一项新的估计：银河系比过去的测量更强大。过去的测量是以大质量恒星的运动为基础。

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2、

astronomers think it's a failed dwarf galaxy that lacked the requisite mass to produce stars.

天文学家们认为它是缺乏必要存在物而不能产生新星的已经衰败的矮星星系。

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3、

dj series tray with rectangular suspending downcomer has 30%~50% higher liquid capacity than common trays with arch downcomer .

新型高效大通量DJ系列塔板采用矩形悬挂式降液管，液体通量可比一般塔板提高30%~50%。

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4、

sih have obvious of the image change, it basic reason is the brain ridge liquid capacity de- crease and brain organization move.

原发性低颅压有明显的影像学改变，其根本原因是脑脊液容量减少和脑组织移位。

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5、

comparing the calculated mass and the total mass of the light-emitting galaxies in the galaxy cluster would determine the amount of dark matter that exists in the galaxy cluster.

把计算出的质量和星系团中发光星系的总质量相比较，就能确定出星系团中存在多少暗物质。

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6、

the structures of two-dimensional distributions for galaxy cluster subsamples of different richness

不同富性的星系团子样本的二维分布结构

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this particular galaxy cluster has a mass of over one million billion suns.

这个星团的质量有超过10的15次方个太阳那么大。

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8、

recent progress of the studies of coma galaxy cluster

Coma星系团的研究进展

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okay, if i take an image of a galaxy cluster,

如果我拿出一幅星团的照片，

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well, here is an image of a particular galaxy cluster.

这里是某个星团的一张照片。

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11、

radial velocity membership probabilities of galaxies in 8 rich galaxy cluster regions

8个富星系团天区中星系的视向速度成员概率

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12、

the gravitational pull of the galaxy cluster acted like a lens.

在万有引力的作用下，星系团就相当于晶状体。

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13、

neutralization& reionization mass spectrometry ( nrms) has widespread attention because of its successful synthesis of small molecules in gas phase which is unstable in condensed phase.

中和再电离质谱法由于在气相能合成一些凝缩相中不稳定的小分子而受到注目。

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14、

cosmological constant and high redshift galaxy observation

宇宙学常数与高红移星系观测

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new evidences and recognition on cosmological redshift of qsos

关于类星体宇宙学红移的新证据和新认识

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16、

microbial transformations can increase the yield of active products or generate new structural compounds through the catalytic reactions by the enzymes produced in the microbial metabolic processes.

微生物转化即利用微生物代谢过程中产生的酶系对底物进行催化反应，增加活性产物含量或产生新的结构化合物。

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the role of microbial enzymes in these processes has been examined.

在这些过程中，也对微生物酶的作用进行了测定。

provided by jukuu

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advances in research on microbial nitrogen removal processes

污水生物脱氮技术研究新进展

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19、

the paper briefly discusses the basic concepts, study content, current study level, scientific significance, key problems and development prospects of geological microbiology, groundwater microecology and microbial geochemical processes and their roles in the protection of groundwater environment.

概要论述了地质微生物学、地下水微生态学、微生物地球化学作用的基本概念、研究内容、研究现状、科学意义、关键问题、发展前景和在地下水环境保护中的作用。

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20、

the effects of fire on ecosystems are complex, ranging from the reduction or elimination of aboveground biomass to impacts on belowground physical, chemical and microbial mediated processes and fine root.

火对生态系统的影响是复杂的，范围也很广，从减少地上部分生物量到对地下部分物理性质、化学性质、微生物降解过程和细根系的生长。

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