名字 发表于 2025-3-25 04:02:47

,Buying the Dark Lines of the Solar Spectrum: Joseph Von Fraunhofer’s Standard for the Manufacture om, which now bear his name, and his advances in the manufacture of optical lenses. Previously, scholars discussing Fraunhofer’s merits have erroneously placed him at the forefront of a long tradition of spectroscopy,. or have portrayed him as the ‘father of German optics’ in attempting to argue for

挡泥板 发表于 2025-3-25 08:30:00

http://reply.papertrans.cn/87/8628/862729/862729_22.png

冥界三河 发表于 2025-3-25 11:52:58

The Zeiss Werke and the Ultramicroscope: The Creation of a Scientific Instrument in Context,(April, 1991); I thank Robert Bud and Susan Cozzens for their invitation to do so, and John Krige for his helpful comments and criticisms at the conference. I also presented first drafts of other parts of this essay at History of Science Society meetings in Madison (November, 1991) and New Orleans (

分离 发表于 2025-3-25 16:24:21

http://reply.papertrans.cn/87/8628/862729/862729_24.png

责难 发表于 2025-3-25 20:57:00

Syntony and Credibility: John Ambrose Fleming, Guglielmo Marconi, and the Maskelyne Affair,tised the practical nature of his system and calmed objections to it. When, after 1900, syntony, or tuning, became a central issue in radiotelegraphy, Marconi devised a new syntonic system for sending and receiving wireless messages, and provided a series of powerful demonstrations of the system’s e

厨房里面 发表于 2025-3-26 00:53:53

978-0-7923-4762-0Kluwer Academic Publishers 1997

Incorporate 发表于 2025-3-26 04:25:39

http://reply.papertrans.cn/87/8628/862729/862729_27.png

背景 发表于 2025-3-26 09:58:52

http://reply.papertrans.cn/87/8628/862729/862729_28.png

删减 发表于 2025-3-26 16:42:35

http://reply.papertrans.cn/87/8628/862729/862729_29.png

因无茶而冷淡 发表于 2025-3-26 17:32:02

M. R. Nuwer,L. G. Carlsonnalytical solutions for internal flows, this chapter focuses on the analytical solutions of the simplified Reynolds momentum equation for wall-bounded turbulent flows. This includes intermediate mathematical derivation steps in the investigations which cannot be found in most textbooks. The derived
页: 1 2 [3] 4
查看完整版本: Titlebook: Scientific Credibility and Technical Standards in 19th and early 20th century Germany and Britain; In 19th and Early 20 Jed Z. Buchwald Boo