BLAZE
发表于 2025-3-25 03:31:58
Die Legierungen der Platinmetalle,Platin ist in verschiedenen Reinheitsstufen im Handel. Das Geräteplatin enthält 99,7% Pt, bis zu 0,3% Ir und höchstens 0,1% andere Metalle. Bei chemisch reinem Platin übersteigt die Gesamtmenge der Verunreinigungen nicht 0,1%. Physikalisch reines Platin, das zur Herstellung von Pyrometern Verwendung findet, hat einen Mindestgehalt von 99,99% Pt..
insightful
发表于 2025-3-25 09:12:37
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hurricane
发表于 2025-3-25 14:30:17
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subacute
发表于 2025-3-25 16:41:52
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municipality
发表于 2025-3-25 23:06:35
978-3-642-51273-5Springer-Verlag Berlin Heidelberg 1940
RAFF
发表于 2025-3-26 02:04:31
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habitat
发表于 2025-3-26 05:19:54
Die Edelmetalle und ihre Legierungen978-3-642-51392-3Series ISSN 0080-0791
harpsichord
发表于 2025-3-26 10:29:12
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rods366
发表于 2025-3-26 15:25:23
Measuring the Impact of Land Degradation on Agricultural Output: The Case of the Volgograd Region (Russia)earches lies in need to compare economic, natural, and climatic indicators different in nature and sources of information. In the second half of the 20. century, various methods were developed to include indicators of soil and land resource quality in econometric analysis, in particular, in the Cobb
ALLAY
发表于 2025-3-26 19:52:10
Book 2005rence on Pervasive Computing. The workshop was held April18-23, 2004, in Vienna, Austria...The goal of the workshop was not to focus on specific, even novel mechanisms, but rather on the interfaces between mechanisms in different technical and social problem spaces. An investigation of the interface