TATE
发表于 2025-3-23 11:52:01
J. P. Den Hartogllem de Sitter was then its Director and Ejnar Hertzsprung his chief associate. Jan Oort had recently been appointed a conservator (senior scientist) at Leiden. Oosterhoff had planned to study celestial mechanics under De Sitter and Jan Woltjer, but he was promptly taken in hand by Hertzsprung, who
STYX
发表于 2025-3-23 15:03:00
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PHIL
发表于 2025-3-23 19:22:22
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魔鬼在游行
发表于 2025-3-24 01:00:03
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商业上
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勾引
发表于 2025-3-24 06:55:22
J. P. Den Hartoghemistry. Furthermore, the creation and transformations of such bonds are crucial steps in many of the catalytic processes by which main group, d-element, and f-element (see Chapter 12) metal ion catalysts can be used to transform organic and inorganic feedstocks into useful materials. Until quite r
多山
发表于 2025-3-24 14:06:58
n the last several years that dramatic activity and progJ‘ess has occurred in the area of lanthanide and actinide organometallic chemistry. The f. -element organometallic research effort has been truly multinational and multidisciplinary. In a large number of countries, sCientists have become increa
GEM
发表于 2025-3-24 15:50:32
ecently at large in America an occasional publication under the title Jobs in Philosophy. The title rested upon a confusion, and the publication furthered the confusion upon which it rested. For it did not, in fact, list jobs in philosophy. It couldn‘t.978-94-009-9055-5978-94-009-9053-1Series ISSN 0921-8599 Series E-ISSN 2542-8349
津贴
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炼油厂
发表于 2025-3-25 00:38:59
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