首师大世界史20周年 | 陈志坚:12世纪英格兰法律文书书写——以CCCC MS 383号手稿为中心的考察 讲座信息:
We utilize existing imaging and spectroscopic data for the galaxy clusters MS2137-23 and Abell 383 to present improved measures of the distribution of dark and baryonic material in the clusters' central regions. Our method, based on the combination of gravitational lensing and dynamical data, is ...
HS-SPME-GC-MS鉴别高良姜及大良姜 高良姜和大良姜是姜属植物中常见的品种,具有一定的药用价值。为了有效鉴别高良姜和大良姜,可以采用HS-SPME-GC-MS技术,该技术可以通过分析样品中的挥发性化合物来进行区分。 在进行HS-SPME-GC-MS鉴别之前,首先要准备样品。高良姜和大良姜可以通过外观来进行初步区分,高良姜较大良姜...
Ramalan cuaca hari ini dan malam ini di Bad Honnef, Nordrhein-Westfalen, Jerman, keadaan cuaca dan radar Doppler daripada The Weather Channel dan Weather.com
FILLER FOR FIXED QUANTITY OF GRANULAR BODY 优质文献 相似文献Study on Solidification Characteristics of Granular Coal Gangue: Fine Sand Paste-Cemented Filling Materials Three groups of filling materials with different mix proportions were prepared. PO42.5 grade cement was selected as the binding material,...