標(biāo)題: Titlebook: Basic Radiotherapy Physics and Biology; David S. Chang,Foster D. Lasley,Joseph R. Dynlacht Book 20141st edition Springer Science+Business [打印本頁] 作者: Garfield 時間: 2025-3-21 18:28
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作者: 一條卷發(fā) 時間: 2025-3-21 22:11
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.作者: 評論性 時間: 2025-3-22 03:12
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.作者: 花爭吵 時間: 2025-3-22 08:12
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.作者: 親密 時間: 2025-3-22 09:04 作者: urethritis 時間: 2025-3-22 12:53
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.作者: 預(yù)定 時間: 2025-3-22 20:58 作者: Hyperlipidemia 時間: 2025-3-22 21:46 作者: uveitis 時間: 2025-3-23 04:43
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.作者: EXCEL 時間: 2025-3-23 07:24 作者: 使困惑 時間: 2025-3-23 11:04
Linac Quality Assurancein 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.作者: LAST 時間: 2025-3-23 14:28
Book 20141st editionn therapists, dosimetrists, and physicists. It presents topics that are included on the Radiation Therapy Physics and Biology examinations and is designed with the intent of presenting?information in an easily digestible format with maximum retention in mind. The inclusion of mnemonics, rules of thu作者: 愉快嗎 時間: 2025-3-23 21:21 作者: extinguish 時間: 2025-3-24 00:43
,Moderne Mitarbeiterführung in Heterarchien,ting in signaling pathways. Radiation may cause several different kinds of cell death, which combine with various mediators and pathways to display the clinically evident acute and late effects of radiation.作者: Genome 時間: 2025-3-24 04:12 作者: intellect 時間: 2025-3-24 10:20 作者: MAZE 時間: 2025-3-24 12:34 作者: Counteract 時間: 2025-3-24 17:19
https://doi.org/10.1007/BFb0110129s known as filtration or beam hardening. Beam quality is a measure of a photon beam’s penetration, and can be measured by thickness of a half-value layer in a specified metal, or by percentage depth dose in water.作者: 粉筆 時間: 2025-3-24 21:32 作者: grudging 時間: 2025-3-25 02:30 作者: Catheter 時間: 2025-3-25 05:42 作者: Offensive 時間: 2025-3-25 08:31
Characteristics of Photon Beamss known as filtration or beam hardening. Beam quality is a measure of a photon beam’s penetration, and can be measured by thickness of a half-value layer in a specified metal, or by percentage depth dose in water.作者: TEN 時間: 2025-3-25 12:47 作者: 灰姑娘 時間: 2025-3-25 16:37
Special Topics: Hyperthermia and Computersingly important. Also of importance is the understanding of the various 3 dimensional treatment planning systems including measurement based systems, Monte Carlo, pencil beam, convolution/superposition, and collapsed cone algorithms. It is also important to understand the concept of simulated annealing for the purpose of IMRT planning.作者: neutrophils 時間: 2025-3-25 20:21
Book 20141st editionmb, and reader-friendly illustrations throughout the book help to make difficult concepts easier to grasp. .Basic Radiotherapy Physics and Biology. is a valuable reference for students and prospective students in every discipline of radiation oncology.作者: 翅膀拍動 時間: 2025-3-26 03:01 作者: 有惡臭 時間: 2025-3-26 05:49 作者: 小口啜飲 時間: 2025-3-26 12:28
Radioactive Decaylides can reach various states of equilibriums including transient equilibrium and secular equilibrium. Some radionuclides can be found in nature while others can be created through particle bombardment or nuclear fission.作者: paragon 時間: 2025-3-26 13:57
Hierarchical Spline Approximations, decay (release a helium nucleus). If a nucleus is very light and proton heavy, it will undergo either positron emission or electron capture. If a nucleus is neutron heavy it will likely undergo beta-minus decay. Whenever any of these decay schemes result in an excited nucleus, the nucleus may resum作者: 束縛 時間: 2025-3-26 20:51 作者: 別名 時間: 2025-3-26 22:23 作者: 歡呼 時間: 2025-3-27 02:01 作者: capsule 時間: 2025-3-27 08:51
https://doi.org/10.1007/BFb0110129ensity) at depth. A half-value layer is a thickness of material that decreases intensity to half of its original value. In a polyenergetic photon beam, lower energies are attenuated more rapidly than higher energies. Therefore, the average energy of the beam increases with attenuation. This effect i作者: Employee 時間: 2025-3-27 12:34
https://doi.org/10.1007/BFb0110129apter provide several methods for calculating monitor units, depending on treatment setup variables such as SSD/SAD, field size, depth, wedges, and other factors. SSD setups are calculated using PDD-based formulae, while SAD setups are calculated using TAR/TPR/TMR-based formulae.作者: gerontocracy 時間: 2025-3-27 16:48 作者: Tidious 時間: 2025-3-27 18:46
https://doi.org/10.1007/BFb0110129e dose increases with energy, unlike photons. Simple dose calculations are based on electron dose to water, using SSD setup geometry. Density inhomogeneities greatly alter electron dose distributions. Electrons take the path of least resistance, increasing the dose to low-density structures that abu作者: 爆米花 時間: 2025-3-28 00:35
https://doi.org/10.1007/BFb0110129roperties of a sealed source vary with encapsulation. Source strength is specified by activity as well as air kerma strength. Dose calculations are based on a formula that incorporates geometry factor, anisotropy factor, and radial dose function.作者: CAMEO 時間: 2025-3-28 03:20 作者: Infantry 時間: 2025-3-28 07:35
Hierarchically Structured Economiesdiation oncology practices. Machine characteristics are measured on a daily, monthly and annual basis, and compared to tolerance levels (unacceptable in the long term) and action levels (unacceptable at any time). Different devices are used to measure these QA checks. Daily checks can use less preci作者: 憤慨一下 時間: 2025-3-28 11:03 作者: 能得到 時間: 2025-3-28 15:27
https://doi.org/10.1007/978-3-658-15789-0ces are classified as nuclear byproduct material. Use of byproduct material requires an authorized user and a radiation safety officer, as well as a written directive and a quality management program (QMP). Deviations from the written directive may be classified as medical events (misadministrations作者: 廢除 時間: 2025-3-28 19:15 作者: TEN 時間: 2025-3-29 02:09 作者: ostensible 時間: 2025-3-29 03:38
David S. Chang,Foster D. Lasley,Joseph R. DynlachtEasy-to-read handbook covering the physics and biology of radiation therapy.Reviews to topics included on the radiation oncology, medical dosimetry, and radiation therapy board exams.Presents concepts作者: 擦試不掉 時間: 2025-3-29 08:31 作者: Lobotomy 時間: 2025-3-29 15:09
https://doi.org/10.1007/BFb0110129apter provide several methods for calculating monitor units, depending on treatment setup variables such as SSD/SAD, field size, depth, wedges, and other factors. SSD setups are calculated using PDD-based formulae, while SAD setups are calculated using TAR/TPR/TMR-based formulae.作者: 起來了 時間: 2025-3-29 16:42 作者: 權(quán)宜之計 時間: 2025-3-29 20:10 作者: BRACE 時間: 2025-3-30 02:17
Dosimetry of Photon Beams in Waterapter provide several methods for calculating monitor units, depending on treatment setup variables such as SSD/SAD, field size, depth, wedges, and other factors. SSD setups are calculated using PDD-based formulae, while SAD setups are calculated using TAR/TPR/TMR-based formulae.作者: Goblet-Cells 時間: 2025-3-30 04:28 作者: 偽造者 時間: 2025-3-30 09:40 作者: 使迷惑 時間: 2025-3-30 13:24
https://doi.org/10.1007/978-3-319-06841-1medical dosimetry board review; radiation oncology board review; radiation therapy biology; radiation t作者: 描繪 時間: 2025-3-30 17:38 作者: 腐蝕 時間: 2025-3-31 00:38 作者: 上漲 時間: 2025-3-31 03:46
Interactions of Electromagnetic Radiation with Matteries, they predominantly interact with matter through coherent scatter and the photoelectric effect. For the photoelectric effect, a photon goes in and an electron comes out. At energies in the range of radiotherapy treatment, the predominant interaction is Compton scatter, where photons bounce off o作者: Genistein 時間: 2025-3-31 05:29
Interactions of Particulate Radiation with Matterrpose of describing particle radiotherapy. Particles can be described as charged or uncharged and heavy or light. Charged particles are usually directly ionizing by acting through coulombic forces while uncharged particles are indirectly ionizing, often causing ionizations as a secondary consequence
