GUAFF
发表于 2025-3-21 18:21:27
书目名称Jacobus Cornelius Kapteyn影响因子(影响力)<br> http://figure.impactfactor.cn/if/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn影响因子(影响力)学科排名<br> http://figure.impactfactor.cn/ifr/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn网络公开度<br> http://figure.impactfactor.cn/at/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn网络公开度学科排名<br> http://figure.impactfactor.cn/atr/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn被引频次<br> http://figure.impactfactor.cn/tc/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn被引频次学科排名<br> http://figure.impactfactor.cn/tcr/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn年度引用<br> http://figure.impactfactor.cn/ii/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn年度引用学科排名<br> http://figure.impactfactor.cn/iir/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn读者反馈<br> http://figure.impactfactor.cn/5y/?ISSN=BK0500131<br><br> <br><br>书目名称Jacobus Cornelius Kapteyn读者反馈学科排名<br> http://figure.impactfactor.cn/5yr/?ISSN=BK0500131<br><br> <br><br>
针叶树
发表于 2025-3-21 21:58:42
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卜闻
发表于 2025-3-22 03:41:27
Professor in Groningen, mathematician Willem Kapteyn, was appointed in Utrecht on the same day. Kapteyn’s first year in Groningen saw the start of a long series of unsuccessful attempts to secure funds for an observatory in Groningen. On July 16, 1879, he married Catharina Elisabeth (Elise) Kalshoven.
不幸的人
发表于 2025-3-22 05:19:40
Star Streams,orld’s Fair in St. Louis in 1904, where Newcomb had arranged for him to give an invited lecture at an astronomical congress. His exposure to the English-speaking world and the fact that he met many American astronomers, in particular George Ellery Hale, was to have a profound effect on his further career.
善辩
发表于 2025-3-22 08:49:31
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Clinch
发表于 2025-3-22 15:36:51
Book 2015musterung and the Harvard-Groningen Durchmusterung, and arranged extensive international collaboration through his Plan of Selected Areas. He contributed to the establishment of statistical astronomy and structure and dynamics of the Sidereal System. All aspects of Kapteyn’s life are discussed, from
Detain
发表于 2025-3-22 17:03:40
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Eulogy
发表于 2025-3-22 21:52:11
From Kepler to Parallax,parallaxes) from accurate timing of meridian passage. These measurements were surprisingly accurate when compared to current determinations. His work on polar altitude resulted in his first contact with David Gill at Cape of Good Hope.
追踪
发表于 2025-3-23 03:36:22
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Folklore
发表于 2025-3-23 06:04:49
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