Hahn Printing (11 results)

paperback. Condition: Fair. N/A (illustrator).

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Paperback. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. N/A (illustrator).

Paperback. Condition: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority. N/A (illustrator).

Paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. N/A (illustrator).

paperback. Condition: New. In shrink wrap. Looks like an interesting title. N/A (illustrator).

Soft cover. Condition: Good. HAHN, Otto and STRASSMANN, Fritz. "Uber den Nachweis und das Verhalten der bei der Bestrahlung des Urans mittels Neutronen entstehenden Erdalkalimetalle" ("On the detection and characteristics of the alkaline earth metals formed by neutron irradiation of uranium.") In: Die Naturwissenschaften, vol. 27. 1939, 1 January, first issue of the new year. Berlin, J. Springer, 1939. 27x20cm. "In 1938 Hahn and Strassmann had demonstrated the presence of radioactive barium, lanthanum and cerium among the products of neutron bombardment of uranium, an observation that seemed to contradict all previous experiences of nuclear physics. The two men announced their puzzling findings in a paper, 'Ueber den Nachweis und das Verhalten.', published in 'Naturwissenschaften' on 6 January 1939" --(Norman Catalog).  See also PMM 422 (b) [++] The papers include: "Uber den Nachweis und das Verhalten der bei der Bestrahlung des Urans mittels Neutronen entstehenden Erdalkalimetalle , pp11-15. (AND) "Nachweis der Entstehung aktiver Bariumisotope aus Uran und Thorium durch Neutronenbestrahlung; Nachweis weiterer aktiver Bruchstücke bei der Uranspaltung, pp89-95. (AND)"Uber die Bruchstücke beim Zerplatzen des Urans" 163-164. (AND) "Zur Frage nach der Existenz der Trans-Urane, pp451-453. (AND) "Weitere Spaltprodukte aus der Bestrahlung des Urans mit Neutronen", pp529-534. (AND) "Uber einige Bruchstücke beim Zerplatzen des Thoriums" 544-547 (with S. Flugge). All are disbound from a larger bound volume and are in nice condition, offered in the full weekly issue. [++] The 1939 paper by Otto Hahn and Fritz Strassmann, published in Naturwissenschaften, is one of the most historically significant scientific papers of the 20th century reporting on the discovery of nuclear fission. Hahn and Strassmann had been bombarding uranium (U) with neutrons, expecting to produce elements heavier than uranium (transuranic elements). Instead, their chemical analysis revealed the presence of barium (Ba) an element with about half the atomic mass of uranium. …