輻射質量 的英文怎麼說
中文拼音 [fúshèzhíliáng]
輻射質量
英文
radiation mass- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 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) ...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 輻射 : radiation; exposure; radio; beaming
- 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
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Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public
根據輻射源項的資料(即事故釋放源的資料,包括放射性物質的釋放總量和各種放射性物質的相對比例等數據)及氣象數據,這套系統模擬是次核事故所泄漏的放射性物質在空氣中的擴散情況,及預測市民可能受到的輻射劑量。In this article based on vibration theory of the flexural plate, the frequency equation, the equivalent mass and radiation impedance are derived and further, design theory is introduced
本文從薄圓板彎曲振動理論出發,推導了這種階梯圓盤的頻率方程、等效質量、等效彈性和輻射阻抗,並進而提出了這種階梯圓盤的一般設計方法。Application of radiation heating system of exothermic cable floor
低溫地板輻射供暖系統的安裝質量控制Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion
文摘:在無線光通信領域,利用非成像光學設計的集中器能夠聚集光輻射能量,而且相對于成像性集中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形集中器的性質進行了分析與研究.對好幾種非成像集中器:半球形集中器,復合拋物線形集中器,介質內部全反射集中器,多表面集中器,多相介質集中器,從設計原理、增益和視場進行比較,並分析其應用場合Material energy can be transformed into radiant energy only in units of a certain size.
物質能量只能以一定大小的單位轉變為輻射能量。Because the photospheric temperature of carbon stars are less than 3000k and the temperature of rich - dust envelope formed by the mass loss is lower, and therefore most of the energy from carbon stars are radiated between 1 to 60um range, in which the vibrational and ro - vibrational bands of many molecules also lies, the study of infrared spectra in this wavelength range is very important to reveal chemical compositions, dust formation process, the atmospheric structure and evolutionary status of stars
碳星光球的有效溫度不超過3000k ,同時較大的質量損失率形成了富碳的塵埃殼層,以致於它的輻射能量主要集中在1 ? 60 m的紅外波段上,並且許多分子的轉動振動能譜也集中在紅外,因此在紅外波段的研究對揭示碳星化學成份及其分佈、塵埃形成過程、恆星大氣結構和演化狀態都有十分重要的意義。When the inorganic crystal in clay is irradiated by the above radioactive materials, part of the radiation will be released in the form of light and the rest will be trapped in the crystal
同時,粘土中又含有各種無機晶體和礦物質。當無機晶體受到上述放射性物質照射后,一部份輻射能量會令晶體發熱,另一部分能量則貯藏在晶體中。People also have made a series of researching theoretical work on black hole ' s radiation etc., while relative issues need being studied furtherly. in this paper, researches on black hole ' s radiation effect and relative issues including the nonthermal effect of the black hole with mass multipole moment, there exists a new kind of dirac energy levels and the crossing region of dirac energy levels
其中,通過對一類具有質量多極矩的黑洞的非熱輻射效應的研究得到了一些有意義的新結果,發現了一類新的dirac能級和一類新的dirac能級交錯區,這種新的dirac能級交錯區的出現導致非熱輻射的發生,在一些方向上出現輻射能量很大的非熱輻射。The final work of the paper is evaluating image quality. as for images after radiometric calibration, 3 - dimention noise analyzing method is introduced. for image after geometric calibration, three performance parameter are used to evaluate the images, and algorithm of the paper is validated
給出了常用的輻射質量評估方法;對輻射校t后的圖像,引進了三維噪聲分析方法,起到了對圖像輻射質量和輻射校計方法的評估作用;對幾何校正後的圖像,採用並計算了三個性能參數,驗證了論文採用的校正演算法的有效性。Energy absorbed per unit mass of the material
單位質量物質吸收的電離輻射能量。Conversion of radiant energy to a different form of energy by interaction with matter
輻射能量通過與某物質的作用而向其他形式能量的轉換。The photon, not having a material mass, maybe considered as having radiation mass
光子雖然沒有物質質量,但可以認為它具有輻射質量。Based on analyses for the reason of the inaccuracy and the controlled status of the radiation - measurement equipment, this paper points out that the calibration of the radiation - measurement equipment has to be performed periodically during verification intervals, which is determined by the status of the equipment and stepwise weighting method
摘要通過對檢定間隔期內輻射計量器具量值超差失準原因及受控狀態統計分析,提出檢定間隔期中應按計量器具穩定性情況和分級加權法確定的動態檢定周期實施計量器具動態檢定校準,以保證計量器具狀態受控,確保醫療質量。Using information of the source term information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public
根據輻射源項的資料即事故釋放源的資料,包括放射性物質的釋放總量和各種放射性物質的相對比例等數據及氣象數據,這套系統模擬是次核事故所泄漏的放射性物質在空氣中的擴散情況,及預測市民可能受到的輻射劑量。In respect of direct radiation in air and from the ground, real - time measurements are undertaken by 10 fixed stations of the radiation monitoring network ( figure 1 ) which send data back to hko every minute. the air is also sampled at these sites to cover the inhalation pathway. to enable early response, an automatic gamma spectrometry system at ping chau, the station closest to daya bay, continuously samples the air, carries out measurements and transmits the results to hko, all automatically
該網路由十個固定監測站所組成,不停地測量香港境內空氣及土壤中放射性物質的直接照射,並每分鐘實時把測量結果傳回天文臺總部。此外,每個監測站亦會抽取空氣樣本,監測呼吸途徑中放射性物質。為了在發生事故時能盡快作出應變,天文臺在香港最接近大亞灣的平洲設立了一套自動伽馬譜法系統,不停地收集空氣樣本,作實時實地的輻射測量,並將測量結果全自動地傳送回天文臺。With his paper “ on the quantum theory of radiation, ” einstein continued to explore light and matter
在論輻射的量子理論這篇論文里,愛因斯坦繼續探索光與物質。Absorbed dose is a physical quantity to measure the radiation energy absorbed by unit mass of substances
吸收劑量是用來量度電離輻射與物質相互作用時,單位質量物質吸收輻射能量多少的一個物理量。What is absorbed dose ? absorbed dose is a physical quantity to measure the radiation energy absorbed by unit mass of substances
吸收劑量是用來量度電離輻射與物質相互作用時,單位質量物質吸收輻射能量多少的一個物理量。This algorithm not only have the charicristic of local reconstruction that could reduce the amount of x - ray exposure and computations in reconstruction, but could reduce the noise in the conditions of keep same image quality as reconstructed in the filter - backprojection algorithm as well
這種演算法具有局部重建特性,從而降低了x射線的輻射劑量和演算法的運行時間,在保證和傳統的濾波反投影法具有基本相同的圖像重建質量的條件下還具有一定的去噪性能。The method uses the properties of wavelet to reconstruct a local region of the cross section of a body, using almost completely local data, therefore reduces the amount of exposure and computations in reconstruction, while has the same quality as filtered backprojection algorithm
利用小波的特性,該演算法僅使用幾乎是完全局部的投影數據去重建身體剖面上的某個局部區域,從而大大降低了x射線的輻射劑量和演算法的運行時間,同時還具有和傳統的濾波反投影法基本相同的圖像重建質量。分享友人