Arthropathy 发表于 2025-3-28 15:07:28

Friedrich Vogelzoelectric transducer. The resultant acoustic waves are of the same propagating elastic type as water waves in the ocean and sound waves in air.. Being of very high or ultrahigh frequency, 100–1000 megacycles/sec or megahertz (MHz), the microscopical acoustic waves are ultrasonic; they cannot be hea

Credence 发表于 2025-3-28 22:46:06

Paul Philippisimply an aid to the eye; to them microscopy is primarily an expan­ sion of macroscopy. In actuality, microscopy is both objective and sub­ jective; it is seeing through an instrument by means of the eye, and more importantly, the brain. The function of the brain is to interpret the eye‘s image in t

Scintigraphy 发表于 2025-3-29 00:03:11

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micronized 发表于 2025-3-29 07:09:42

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查看完整版本: Titlebook: Heidelberger Jahrbücher; H. Schipperges,Universitäts-Gesellschaft Heidelber Conference proceedings 1972 Springer-Verlag Berlin · Heidelber