Titlebook: Kosmische Strahlung; Werner Heisenberg Book 1943 Springer-Verlag Ohg. in Berlin 1943 Luftschauer.Neutron.Physik.Strahlung.kosmische Strahl

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G. Molièreor much of that time as objects of relative mystery, seen by few until the early 1950s. The claims for in vitro fertilization of mammalian eggs before that time did not inspire great confidence, and it was not until the need for prior capacitation of mammalian spermatozoa was recognized (Austin 1951

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K. Wirtzymposium on "Fertiliza­ tion of the Human Egg in Vitro" was to bring together the stilllimited number of elinical specialists in the field and to stimulate another group of basic research people to exchange their experiences and knowledge, hopefully promoting elose cooperation between the two groups

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C. F. v. Weizsäckerzers, for direct use as fertilizer, or for use as a raw material for nonfertilizer products. Some idea of the magnitude of ocean transport of ammonia can be gained by a recent ISMA report that lists 153 maritime ammonia terminals throughout the world including 18 that were under construction when th