輻射塵 的英文怎麼說
中文拼音 [fúshèchén]
輻射塵
英文
fall-out-
It can retain water all the day, close off ultraviolet radiation and atomy in the air, control melanin forming, prevent oxidation and make skin white and soft
能全天候的鎖住水分，使肌膚長時間的保持滋潤，有效隔離紫外線輻射和空氣中的塵埃，防止水分流失和色素沉積，淡化色斑，抗氧化，使皮膚更潤白、光滑。Life - bearing meteoroids and dust particles would be exposed to the vacuum of space, extremes in temperature and several different kinds of radiation
帶有生命的流星體與塵粒，還會暴露在宇宙的真空、極端的溫度與數種不同的輻射之下。One study suggested the cause might be radioactive fall-out from atom bombs.
一項研究認為起因可能是核炸彈的輻射塵。Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。In many stellar disks, observers also have found the spectral signature of silicate emission, indicating that small dust grains on the disk surface have been strongly heated by the stellar radiation
天文學家也發現了許多恆星氣盤具有矽的發射光譜，表示盤面上的微小塵埃顆粒已被恆星輻射強烈加熱。As contraction continues and the density increases, the dust becomes so thick at the center of the cloud that it absorbs the far-infrared radiation.
當收縮過程繼續進行下去，密度不斷增大時，氣塵雲中心的塵埃就會變得極其濃密，因而能夠吸收遠紅外輻射。Dust tails are created when small particles from a comet are swept backward by the sun ' s radiation pressure
來自彗星的微小粒子被太陽輻射壓向後推斥，形成塵埃尾。Radiative effects of atmospheric dust aerosol in northwest china
我國西北大氣沙塵氣溶膠的輻射效應Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust
利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。If it takes six hours for people in the vicinity to evacuate, then calculations show that nearly everyone downwind of the blast within approximately five kilometers would still be killed by fallout, and half the inhabitants eight kilometers away would die
如果附近的民眾需要六小時疏散，計算顯示，爆炸點的下風處大約5公里內，所有人都會死於輻射性落塵， 8公里內的居民也有一半會死亡。Environmental samples, including airborne particulates, radio - iodine, total deposition and soil samples collected at mobile survey sites, fixed radiation monitoring stations and designated fire stations are analysed by the radiation laboratory at king s park for their radiation levels
由流動巡測隊、各輻射監測站及消防局收集的環境樣本，包括大氣飄塵、氣態碘、總沉積物、土壤等會送往京士柏輻射實驗室進行輻射分析。實驗室內設有The survey team conducts surveys along pre - designated survey routes in the northeast part of the new territories. it measures ambient gamma dose rates, surface activity concentrations of beta emitters at ground surface and in - situ gamma spectrum of land soil
流動巡測隊會沿新界東北部預先選定的測量路線，在不同位置量度環境伽馬輻射劑量率、地面的貝他放射體的表面活度濃度和原位置土壤的伽馬能譜，以及收集大氣飄塵、放射性碘、擦拭及其他環境樣本。When the measured level at a certain monitoring station exceeds the pre - set alarm level, the station will enter into the emergency radiation monitoring mode and the radio - iodine sampler and high volume air sampler will automatically be switched on. the air particulates and radio - iodine samples, together with deposition samples, will be collected for analysis at the
當測量數據顯示輻射水平超過預先設定的警報水平時，該監測站會進入應急輻射監測狀態，放射性碘取樣器及高容量空氣取樣器會啟動，收集空氣中的氣態碘樣本及收集大氣飄塵樣本。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。A number of atmospheric nuclear tests took place from 1945 to 1980. radioactive particulates produced in the explosions dispersed into the atmosphere by the winds and some of them deposited onto the ground. deposition of these radioactive materials increased the level of artificial radiation in the environment
在一九四五年至一九八零年期間，世界各地進行了多次大氣核試爆，所產生的放射性塵埃隨風擴散，部份沉降到地上。這些放射性沉積物為我們自然環境增加了額外的人工輻射。The particles that descend in this fashion
輻射塵以這種方式落下的放射性粒子And whereas microwaves, radio waves and light ? all forms of electromagnetic radiation ? are easily absorbed by dust and gas, leaving much of the universe hidden, gravitational waves penetrate anything in their path
盡管由於，微波，無線電波，和廣播等一切形式的電磁輻射，都很容易被塵埃和氣體吸收，所以我們看到的只是隱藏在黑暗中的宇宙，然而重力波卻能在穿透一切讓我們可以看清它的軌跡。The contribution from starlight ( measured at 3. 6 microns ) has been subtracted from the 5. 8 and 8 - micron images to enhance the visibility of the dust features
為增強塵埃結構的對比度，來自星光的輻射（ 3 . 6微米波長所表示的）已從5 . 8和8微米的圖象上扣除了。Now, a lot of male friends face the computer every day more than five hours, long on the computer, the computer radiation and dust on the skin is the most direct impact on the water, plug the pores, a dot, and then there wrinkles
現在，很多男性朋友每天都要面對電腦5個小時以上，久對電腦時，電腦輻射和積塵對肌膚最直接的影響就是缺水、毛孔堵塞、出現斑點，繼而出現皺紋。The fallout will probably infect millions
輻射塵可能對數百萬人造成影響。分享友人