| 释义 |
Crookes William Crookes C0759000 (kro͝oks), Sir William 1832-1919. British chemist and physicist who discovered thallium (1861), invented the radiometer (1875), and studied cathode rays.Crookes (kro͝oks), Sir William 1832-1919. British chemist and physicist who discovered thallium in 1861 and invented the radiometer in 1875. He also investigated cathode rays, demonstrating that they consisted of charged particles. |