| 单词 |
van de graaff robert jemison |
| 释义 |
Van de Graaff Robert Jemison Related to Van de Graaff Robert Jemison: Robert J. Van de Graaff, Robert Jemison Van de GraafVan de Graaff (văn′ də grăf′), Robert Jemison 1901-1967. American physicist. In 1929, he invented an electrical generator (later called the Van de Graaff generator) that was adapted for use as a particle accelerator and became an important research tool for atomic physicists. The generator was also used to produce a type of x-ray helpful in treating cancer. |
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