| 单词 | collimator |
| 例句 | Figure 32.5 An Anger or gamma camera consists of a lead collimator and an array of detectors. College Physics for AP Courses 2015-08-12T00:00:00Z The Dilon camera currently provides two-dimensional breast images using a fixed angle collimator with a grid of holes that offers one angle or projection of the breast, Weisenberger explained. Jeff Lab, Dilon Tech team up on 3-D cancer detection device 2016-07-02T04:00:00Z With the collimator, the coincidence rate drops by a factor of 10, but now exceeds the predicted accidental rate for both orientations. How to Build Your Own Quantum Entanglement Experiment, Part 2 (of 2) 2013-02-14T15:15:03.647Z For adjusting the mirrors there are two collimators. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z What she saw was horrifying: the multileaf collimator, which was supposed to focus the beam precisely on his tumor, was wide open. 2010-01-24T07:41:00Z One common imaging device is the Anger camera, which consists of a lead collimator, radiation detectors, and an analysis computer. College Physics for AP Courses 2015-08-12T00:00:00Z “The only thing that moves is the collimator. “In a sense, it’s like a step-and-shoot. Jeff Lab, Dilon Tech team up on 3-D cancer detection device 2016-07-02T04:00:00Z I enclose the radioactive sodium in a so-called collimator: a lead storage canister in which I drilled a 1/2-inch hole at either end. How to Build Your Own Quantum Entanglement Experiment, Part 2 (of 2) 2013-02-14T15:15:03.647Z The collimator and observing telescope have an aperture of 25 mm., focus of 200 mm. Astronomical Instruments and Accessories All the therapists had to do was watch the computer screen — it showed that the collimator was open. 2010-01-24T07:41:00Z On the whole, he considered that the best glass to use was pure white flint glass for the collimator, the prisms, and the camera lens. Scientific American Supplement, No. 392, July 7, 1883 The hospital went ahead and radiated the patient, only to discover later that the multileaf collimator had been wide open. 2010-01-24T07:41:00Z The solution, the advertisement said, was a linear accelerator with 120 computer-controlled metal leaves, called a multileaf collimator, which could more precisely shape and modulate the radiation beam. 2010-01-24T07:41:00Z But instead of a multileaf collimator, it used a simpler beam-modifying device called a wedge, a metallic block that acts as a filter. 2010-01-24T07:41:00Z |
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