Garfield
发表于 2025-3-21 18:28:16
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一条卷发
发表于 2025-3-21 22:11:55
https://doi.org/10.1007/BFb0110129he need for radiation safety and protection standards, dose is further described in Sieverts for equivalent radiation dose and effective radiation dose. Radiation measurements are performed by various types of detectors.
评论性
发表于 2025-3-22 03:12:02
https://doi.org/10.1007/BFb0110129e used to correct for patient surface shape. Bolus may be used to increase the surface dose. Field matching techniques may be used for treatments with closely abutting fields. Finally, ICRU specifications for target volumes and dose prescription are described.
花争吵
发表于 2025-3-22 08:12:23
https://doi.org/10.1007/BFb0110129neities greatly alter electron dose distributions. Electrons take the path of least resistance, increasing the dose to low-density structures that abut high-density structures. Matching Bolus and spoilers can increase superficial dose and decrease range. Obliquity can greatly increase superficial dose and decrease range.
亲密
发表于 2025-3-22 09:04:12
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urethritis
发表于 2025-3-22 12:53:58
Hierarchically Structured Economiesin the long term) and action levels (unacceptable at any time). Different devices are used to measure these QA checks. Daily checks can use less precise but less cumbersome instruments, while monthly and annual checks use more precise instruments.
预定
发表于 2025-3-22 20:58:05
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Hyperlipidemia
发表于 2025-3-22 21:46:48
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uveitis
发表于 2025-3-23 04:43:50
Dosimetry of Electron Beamsneities greatly alter electron dose distributions. Electrons take the path of least resistance, increasing the dose to low-density structures that abut high-density structures. Matching Bolus and spoilers can increase superficial dose and decrease range. Obliquity can greatly increase superficial dose and decrease range.
EXCEL
发表于 2025-3-23 07:24:13
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