放射劑量計 的英文怎麼說
中文拼音 [fàngshèjìliángjì]
放射劑量計
英文
dose meter- 放 : releaseset freelet go
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 劑 : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
- 劑量 : [物理學] [醫學] dosage; dose; dosis劑量槽 dosage bunker; 劑量測定(法) dosimetry; health work; ...
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In this thesis, ga is used to optimize the beam weights of intensity modulated radiation therapy ( imrt ) inverse planning, and 2d and 3d isodose contour as well as dose volume histogram ( dvh ) are used to evaluate the treatment plan
本文應用遺傳演算法優化逆向調強放療計劃中射束的權重,用二維等劑量線、三維劑量分佈和劑量體積直方圖來評估計劃的優劣。Dose - rate meter
放射線劑量率計The major difference between the two is that instead of a positron - emitting substance, spect uses a radioactive tracer that emits high - energy photons
這兩種技術最大的區別在於,單光子發射計算機化成像不用發射正電子的物質,而是用一個能發出高能量光子的有放射性的跟蹤劑。Medical electrical equipment. part 2 : particular requiremet for the safety of patient contact dosemeters used in radiotherapy with electrically connected radiation detectors
醫療用電氣設備.第2部分:用電連接放射探測器的放射治療法測定病人接觸劑量計安全性的特殊要求Dose area product meters
放射區域劑量計It will also make a contribution to unification and dissemination of the quantity values of the absorbed dose for electron beams in cnnc ( china national nuclear corporation )
本課題屬于國防科工委放射性計量一級站「九?五」計劃項目,對于核工業系統電子束吸收劑量的量值統一和量值傳遞具有重要意義。Radiophotoluminescent glass dosemeter systems
放射光致發光玻璃劑量計系統X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - dosimetry for radiation protection over the energy ranges 8 kev to 1, 3 mev and 4 mev to 9 mev
校準劑量計和劑量強度計及測定作為光子能函數靈敏度用x和基準放射線.能量范圍在8kev - 1 , 3mev和4mev - 9mev放射保護用放射量測定Dosimeters with ionization chambers for photon and electron radiation in radiotherapy ; rules for manufacture
放療用電離室的光子射線和電子射線劑量計.製造規則Monte carlo calculations of the dosimetry parameters for the 125i brachytherapy source
近距離放射治療源劑量計算參數Nuclear energy - measurement of radioactivity in the environment - bioindicators - part 1 : guidance for the design of sampling programs
核能.環境中放射性的測量.生物指示劑.第1部分:取樣程序設計的指南How it works : instead of hilling a tumor with large beams of radiation from only a few directions, as is done with conventional radiotherapy, peacock calculates precise angles and dosed using a computer and ct scan
工作原理傳統的放射治療是從幾個方向用大量的放射性光束來攻擊腫瘤,而「孔雀』則是用計算機和ct掃描儀計算出腫瘤的精確角度和輻射吸收劑量。The doctors can observe the relationship and geometry of the organs and the tumors, from the 3d model of the human body, which can help them create the therapy plan. the radiation dosimetry is built using monte carlo method. after we extract the iso - surfaces from the volume of the doses, the relationship between radiation doses and the cancer is represented on a 3d model, which is greatly helpful for the doctors to improve their therapy plan
通過建立三維人體模型,可以幫助醫生直觀的觀察人體內部病灶及組織器官的形態位置尺寸,並獲得其量化指標,從而更加準確的制定治療計劃:根據初步的放療計劃,使用montecarlo方法建立模擬的放射劑量分佈數據場,再通過等值面提取方法獲得等劑量面,顯示並量化劑量分佈情況和病灶(靶區)的關系;根據模擬的結果對放療計劃進行適當修改,並最終獲得最佳的放射治療計劃。Principles of estimate on personal dose from external exposure in radiation accident
放射事故個人外照射劑量估計原則According to geometrical focusing theory, the gamma knife can focus in spirals 30 beams of co - 60 gamma rays through a collimator to form a high - quality high - dose radiation field. the size of radiation filed can be varied and shaped according to tumor size for 3d radiotherapy. therefore, it can effectively increase radiation dose to tumor tissues and decease radiation dose to normal tissues
根據幾何聚焦原理,將30束鈷60伽瑪射線通過準直后經一個固定的軸線旋轉聚焦,形成品質優良的高劑量區分佈,經治療計劃系統的優化,可使高劑量區的劑量分佈,在三維方向上和腫瘤的形狀一致,從而實現三維適形放射治療。X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - radiation characteristics and production methods
校準劑量計和劑量強度計及測定作為光子能函數靈敏度用x和基準放射線.第1部分:放射特性和產生方法Some key factors in design of kev radioactive ion beam facility are discussed. they are extension of primary ion beam line, target / ion source, selection of target materials, optical calculation of the radioactive ion beam system, measurement of weak radioactive ion beam and overall efficiency of the system
本文介紹了kev放射性核束裝置中幾個關鍵部分的設計和初步實驗結果,包括系統總體概況,初級束流線,靶源系統,靶材料選擇,系統光路,低能放射性弱束流的測量,放射性劑量及輻射防護,系統總體效率評估等。The planned dose distributions were more conformal to the sensitive normal tissue structures by imrt plans in 3 different sites
在此三個不同部位的計劃劑量分布圖上,強度調控放射治療對敏感正常組織結構都較為適合。Before we actualize the radiation to the patient, we must plan the therapy and simulate the process of the treatment, calculate the distribution of the radiation doses to evaluate the treatment planning. due to the computer visualization technology, we got an accurate way, intuitionistic and efficient, to constitute the treatment planning
為了實現精確的放射治療,我們需要在實際進行放射治療之前,制定正確的放療計劃,並對射線的放療過程進行模擬,計算放射劑量的分佈情況,從而明確放療效果,確定放療計劃的優劣。For radioactive workplace and the transportation and storage of radioactive isotope, the employer should equip risk - prevention equipment and alarm devices, and ensure the employees exposed to radiation equipped with dose meter
對放射工作場所和放射性同位素的運輸、貯存,用人單位必須配置防護設備和報警裝置,保證接觸放射線的工作人員佩戴個人劑量計。分享友人