比輻射 的英文怎麼說
中文拼音 [bǐfúshè]
比輻射
英文
specific radiation-
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。Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路，對光弱信號進行調制和線性化處理，運用比色法原理對溫度進行檢測.為了便於儀器擴展，增加了模擬量輸出和數字介面，並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹The ratio of the microwave radiation to the x-ray bremsstrahlung radiation is dependent on the density in the emitting region.
微波輻射與X射線韌致輻射的比值與發射區的密度有關。The ratio of the microwave radiation to the x - ray bremsstrahlung radiation is dependent on the density in the emitting region
微波輻射與x射線韌致輻射的比值與發射區的密度有關。Wood is charred by exposure to thermal radiation, the depth of the char being closely proportional to the radiant exposure.
木料受到熱輻射照射后就會燒焦，燒焦的深度大致上與輻射照射成正比。Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications
與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。Characteristics of heat balance parameters of arctic ocean drifting ice and open sea are presented based on the profile - flux method and the data obtained by the first chinese national arctic research expedition during aug. 19 24, 1999
利用中國首次北極考察隊於1999年8月19日24日在北冰洋浮冰區獲得的大氣近地層垂直廓線和輻射等資料，依據相似理論方法，對比分析了北冰洋無冰海面和冰面上熱平衡參數的變化特徵。Because of the ellipticity of the earth's orbit the solar radiation incident on the earth is about 7% greater in december than in june.
因為地球軌道是橢圓，入射到地球上的太陽輻射在12月份約比6月份多7。Because of the ellipticity of the earth ' s orbit the solar radiation incident on the earth is about 7 % greater in december than in june
因為地球軌道是橢圓，入射到地球上的太陽輻射在12月份約比6月份多7 。The intercomparison of environmental radiation dose rate measurement
輻射劑量率測量比對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。The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well
從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。Also call to pour the type to open the bore box a box for, department on the box the front - panel openning having pouring the bore. because of openning to there is bore, voice in the box to can then radiate the outside. pour the type the box the low frequency extension for ratio closeness type box to be good friends with the amount, but the bass usually and not and so fructify the tightly packed. comparison " infinite baffle " infinite baffle
也稱倒相式開孔箱，系在音箱面板上開有倒相孔槽的一類音箱。由於開有孔，箱內的聲音便可以輻射到外面來。倒相式音箱比密閉式音箱的低頻延伸要好些，但低音往往不那麼結實緊湊。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。Then, using the opening transmission line model, the deduction of the tem - horn antenna far - field radiation formula is introduced. comparing with the traditional nb antenna array, the brief theory of uwb antenna is analyzed
然後介紹了應用開路傳輸線理論模型對tem喇叭天線軸上遠場輻射的推導過程，並對比傳統窄帶天線陣列，分析了超寬帶天線陣列的一般工作原理。At the end of the formation, both current and potential distributions are uniform. however, their distributions on the negative plate with the expanded grid design are a little more uniform
化成結束時電流密度和電位分佈都比較均勻，且拉網式負極板比輻射式負極板更均勻。In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained
總之，根據地表能量平衡方程，通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演，進一步計算出了地表凈輻射通量，土壤熱通量和潛熱通量，最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。One avhrr image of the yangtze delta at 13 : 00 on 15th apr., 2003 is used to retrieve the regional parameter such as surface albedo, ndv1, surface emissivity and surface temperature, which is based on regional trait of the yangtze delta to choose different model. all above will give a methodological support to gain the regional surface parameters, what ' s more, it will afford the parameter support to calculate the regional et too
選取了2003年4月15日13時的avhrr影像，根據長江三角洲區域特點，選擇不同的反演模型，分別對長江三角洲區域地表反照率、歸一化植被指數、地表比輻射系數、地表溫度進行了反演，為區域地表參數的獲取提供了方法支持，也為長江三角洲的區域蒸散量求取提供了參數支持。Taking erectophile type continuous vegetation as a example, authors had done many monte carlo simulations, and established empirical analytic expressions of radiances with component temperature, soil emissivity and leaf area index. empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters, such as component temperature, soil emissivity and lai, from thermal infrared 2 channels and 2 angles data. many experiments of genetic algorithm inversion from simulated data were conducted, results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken. comparison between inversion results and ground - truth data has been done. this paper offers a new example to retrieve component temperature from multi - channel, multi - angle thermal infrared data based on the model of directionality of thermal radiance
在熱輻射方向性規律的基礎上，以喜直型連續植被為例，進行了大量的monte carlo模擬，建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。採用遺傳演算法，從熱紅外2個波段2個角度數據中，同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳演算法反演試驗，結果表明，遺傳演算法反演組分溫度非常穩健，在寬松的先驗知識條件下，遺傳演算法可以解決不確定性反演問題。Compared with a real space environment simulation this hardware - in - the - loop - simulation radiator system is cheap, can reduce experimental time and is easy to be adjusted
與傳統的熱輻射環境模擬技術相比，輻射散熱器半物理模擬系統具有節約成本、節約時間、調節靈活的優點。分享友人