catalogs相关论文
This paper presents the results of Hα imaging of 169 galaxies randomly selected from the α.40-SDSS catalog.The sample ......
目的了解我国常用口服药品说明书中关于老年人用药事项的说明情况。 方法利用首都医科大学宣武医院门诊药品出入库信息电子管理系......
目的初步建立中国老年人潜在不适当用药(PIM)目录,为防范和降低我国老年人群的用药风险提供参考。方法以美国、加拿大、日本、法国......
In this work,we train three decision-tree based ensemble machine learning algorithms (Random Forest Classifier,Adaptive ......
This paper presents the results of H imaging of 169 galaxies randomly selected from the.40-SDSS catalog.The sample has e......
In this work,we train three decision-tree based ensemble machine learning algorithms(Random Forest Classifier,Adaptive B......
Space debris is a major problem for all the nations that are currently active in space.Adopting high-precision measuring......
We present a study of the X-ray emission for a sample of radio-detected quasars constructed from the cross-matches betwe......
首先,描述了白矮星的颜色特点和光谱型分类。白矮星是大多数恒星的终极状态,它会随着时间的推移而逐渐冷却。根据表面大气成分,它......
以烟台大学图书馆为例，阐述了在当前形势下综合院校图书馆在书目征订工作中读者调查的必要性及其做法、体会。......
根据最近发表的新编依巴谷星表数据，重新研究了经典造父变星周光关系零点问题．利用运动学模型对自行数据和视向速度分别拟合奥尔特常......
Quasars are essential for astrometry in the sense that they are spatially stationary because of their large distance fro......
In this study, we employ machine learning to build a catalog of DB white dwarfs(DBWDs) from the LAMOST Data Release(DR) ......
宇宙的光线原子核的系列开始在 ~ 上面变硬的最近的观察表演 10 <SUP>2</SUP> GeV，它与常规不变的宇宙的光线模型矛盾。我们建议了......
This is a memorial report on the biography and scientific heritage of M.A.Svechnikov-an outstanding scientist and teache......
Sky surveys represent one of the most important efforts to improve developments in astrophysics,especially when using ne......
许多研究结果表明，FK5和Hipparcos白行系统的关系，与VLBI和LLR所测定的岁差常数改正值不相符合．利用建立在FK5系统上的PPM和ACRS白行......
