輻射質 的英文怎麼說
中文拼音 [fúshèzhí]
輻射質
英文
radiant matter-
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。So the study of bremsstrahlung in equilibrium will be helpful to understand the collective effects and thermodynamic property of qgp
因此在平衡態下韌致輻射的研究將有助於人們了解qgp的集體效應和熱力學性質。Ceo22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of car ' s waste gases, chemical decolorant of glass, radiation - resisting glass permanent magnet, electronic ceramics etc. if it is processed into nanoparticles, it will exhibit some novel properties led to varied applications. for example, ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics. because of its high index of refraction and good stability, it is used to produce reduced reflection film
Ceo _ 2是一種廉價而用途極廣的材料,如用於發光材料、拋光劑、紫外吸收材料、汽車尾氣凈化催化劑、玻璃的化學退色劑、耐輻射玻璃、永磁體、電子陶瓷等,其納米化后將出現一些新的性質及應用,如ceoz納米晶是細胞色素c的良好的催進劑,還用作zro :陶瓷的穩定劑,由於ceo :折射率高,穩定性好,常用於制備減反射膜等。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The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db
通過在裝置上做的兩種陰極的對比實驗,結果顯示:碳纖維陰極的使用,改善了電子束質量,使輻射微波的脈寬增加了30 %以上,輻射主瓣方向上的功率密度提高了3db以上,頻譜分佈較純凈,實現了微波的高效輸出。Another attribute is the flux or radiant power that can be delivered in that narrow frequency band.
另一個性質就是在這樣窄的頻帶內可以給出很高的光通量或輻射功率。Because of the great mass, the inner parts of jupiter undergo gravitational collapse, and the gravitational potential energy turns to thermal energy. as a result, jupiter radiates more energy than it receives from the sun
大質量木星的強大引力,令內部產生重力塌縮,不斷將物質的引力位能轉化為熱能,結果,木星向外太空輻射的能量,比它從太陽得到的能量還要多。Quality control standards for radiation sterilization of medical and hygienical products
醫療衛生用品輻射滅菌消毒質量控制標準Finally, due to the rapid rotation of the neutron star, or the evolution of the companion, the infall of matter stops, the x - ray emission declines, and the neutron star emerges as a radio - emitting millisecond pulsar
最後,由於中子星疾速的自轉,或是伴星自身的演化,物質的流入停止, x射線輻射減弱,這顆中子星就呈現出了毫秒脈沖星的面目。At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known
最後,對全文進行了總結,並指出今後研究工作重點。指出:瞬時得到各方向的投影是此技術實用化關鍵;在獲得溫度分佈信息基礎上,進行必要的假設和推導,能同時得到火焰中某特定組分濃度的分佈,這必將進一步我們對燃燒本質的理解;利用方向性好,輻射強度高的激光源代替常規的黑體爐,能得到輻射干涉投影圖像,這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。Many materials appear to be capable of particle production or stimulation of particle production under irradiation.
許多物質在輻射照射下能夠產生粒子或激發產生粒子。The isoelectronic system of gap : n has been investigated extensively in the dilute limit since 1965. thomas et al identified that a series of sharp emission lines in gap : n were due to the recombinations of excitons bound to either isolated nitrogen centers or various nitrogen pair centers
這些譜線來自於等電子雜質n形成的束縛激子態(孤立n中心和nn _ i對)輻射復合產生的零聲子線及其聲子伴線。Recent study of the kilohertz quasi - periodic oscillations ( qpos ) in low mass x - ray binaries ( lmxbs ) indicates that the radiation force, other than the magnetosphere and disk interaction and the general relativity ( gr ) effect setting the inner disk edge, serves as the disk truncation mechanism on shorter time scales. some results and discussions are presented in this paper
最近對低質量x射線雙星中的千赫茲準周期振動的研究表明,是輻射壓力,而不是盤和磁球的相互作用以及處于盤內邊界的廣義相對論效應在短時標的盤切斷機制上起作用.本文給出了一些研究結果及討論It was buried far deeper than myth and the oral history had led us to expect and it emitted radiation and absorbed radiation to simulate the natural character of its surroundings, a mechanical mimesis which is not surprising of itself
正如我們所猜想的,寶庫是隱藏著的,它比一個謎埋藏的還要深,只有口述的歷史指引我們去想象,他在釋放輻射的同時還吸收輻射,如同它附近物體的自然性質一樣,使我們任何的簡單的機械模仿都無法察覺它的存在。Materials through which no radiation is propagated are called opaque.
輻射線不能透過的物質叫不透明體。Because of this radiation they said the substance was radioactive.
由於這種輻射性現象,他們把該種物質稱為放射性物質。It is designed according to electrical stove or microwave oven request. heating pipe adopts high temperature resistance mgo powder as the insulation medium and the stainless steel case is passed oxidation deal through the advanced web band protection oven 1050c in order to become the a special oxidation layer and improve the high temperature oxidation and bittern corrosive performance of the heating pipe. the heating tube has high power density and strong heat radion. this product with good safe performance can work normally after 3000hrs life test
加熱管選用耐高溫氧化鎂作絕緣介質,不銹鋼外殼經過先進的網帶氣體保護爐1050的氧化處理,形成一種特殊的氧化層,提高電熱管的抗高溫氧化及鹽鹵的腐蝕性能。電熱管的功率密度較高,熱輻射能力強。產品經長達3000h的壽命試驗后,仍能正常工作,安全性能好。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。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。分享友人