長波范圍 的英文怎麼說

中文拼音 [zhǎngfànwéi]
長波范圍 英文
long-wave limit
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
  • : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
  • 長波 : long wave (l. w. ); kilometer wave; major wave; [氣象學] planetary wave長波段 long-wave band
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. The composites not only show excellent photo - responsive properties in the visible and near - ir region ( 450 ~ 850 nm ), but also show complementary and synergetic enhancement effects in photosensitivity in the visible and near - ir region. the reasons for the enhanced photoconductive properties and new effects are explained in terms of the partial and directional charge transfer from phthalocyanine to azo compound in these azo / tiopc composites. 2

    研究發現這兩種復合材料體系在可見光區和近紅外光區( 450 850nm )均有光譜響應,光譜響應得到了拓寬,並在該內都有優良的光電導性能,呈現出明顯的光電導性能協同增強和互補效應,該復合材料體系中酞菁向偶氮發生的部分定向的電荷轉移是光電導性能協同增強和互補效應產生的物理起因。
  2. The next move is to deduce the range of a bombing radiating wavelength with the flying bomb ' s temperature being analyzed and to compute the target ' s irradiance and radiated luminance between spectral penetrating strip based on the planck formula for the black body

    在此基礎上,從分析飛行彈體的爆炸溫度出發,推導了彈體爆炸時輻射峰值,分析了黑體輻射的普朗克公式,計算出目標在光譜通帶內的輻出度和輻射亮度。
  3. The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability

    利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。
  4. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    ( 2 ) cu等離子體光譜:在420 570nm內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。
  5. Figure 1. 6 shows the relative response of the "average eye" to light of constant luminance projected at various wavelengths throughout the spectrum.

    圖16示出了「典型」人眼對整個光譜內功率恆定而不同的各種可見光的相對響應曲線。
  6. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小分析技術的主要思想和方法及其應用,以及號稱第五代計算機語言的matlab軟體和附帶的小分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  7. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ,能有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大氣層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人體皮膚形成極大危害,尤其對于期從事野外工作的人,因此設法減少紫外線對人體的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途非常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維,是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料,能吸收人體自身向外散發的熱量,吸收並反射回人體最需要的4 14 m的遠紅外線,促進人體的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。
  8. In this paper, a wavelength is brought in to creat a three - dimensional spectrogram about i ( t, ), which will gain more information and enlarge applied fields

    本文引入這一參數,生成i ( t , )的三維熱釋光譜圖,可以獲得更豐富的信息,擴大tl的應用
  9. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )熱處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光內透明,在為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  10. In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating

    而在基於soa的四混頻( fwm )轉換中,在提高光放大器飽和功率的同時減小光譜燒孔( shb )和載流子加熱( ch )飽和功率可有效提高較大頻率間隔處的轉換效率,並保持其在較大頻率失諧內的效率均衡。
  11. The efficient sppc had been performed with 1 - hz - repetition - rate 532nm nanosecond pulses, in which phase conjugate reflectivity as high as 21. 5 % was obtained. when sppc were operated in ce : batio3 with 532nm, 632. 8nm and 790nm cw lasers, the maximum sppc reflectivity of 54. 1 %, 88. 2 % and 80. 5 % were obtained, respectively. unlike the results reported before that four - wave mixing by stimulated photorefractive backscattering ( spb - fwm ) only exists at short wavelengths while four - wave mixing by total internal reflection ( tir - fwm ) only exists at long wavelengths, both of these two mechanisms coexist at all wavelengths from 532nm to 790nm in our experiments

    通過大量的實驗全面研究了ce : batio _ 3自泵浦位相共軛特性:在低重復頻率( 1hz ) 、 532nm調q激光泵浦時最高獲得了21 . 5的位相共軛反射率,而此前報道過的建立位相共軛脈沖光最低重復頻率是10hz ;實驗中發現在532nm 790nm內,在不同的激光泵浦時,同時存在兩種自泵浦位相共軛機制:全內反射?四混頻( tir - fwm )和受激背向散射?四混頻( spb - fwm ) ;在連續激光泵浦時,對532nm 、 632 . 8nm和790nm三種,最高分別獲得了54 . 1 、 88 . 2和80 . 5的位相共軛反射率;同時還研究了自泵浦位相共軛光的時間穩定性。
  12. Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years. qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected. therefore, the ability to accurately control the band structure and hence the spectral response, as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s, makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ), especially available in the range of long wavelength 8 - 12 urn

    Gaas algaas量子阱紅外探測器( qwips )是近二十年來迅速發展起來的一種新型紅外探測器,它成功地利用了gaas勢阱和al _ xga _ ( 1 - x ) as勢壘之間的子帶間吸收,使之具有能帶結構可精確設計從而獲得指定光譜響應的特點,加之成熟的材料生技術、器件工藝,以及商業上可獲得大面積的vlsigaas集成電路,使得gaas algaasqwips尤其適宜製作8 12 m長波范圍的大面陣探測器。
  13. The o - azo / cnts nanocomposites show better photosensitivity than the bulk material in the visible and near - ir region, as well as enhancement effects in photo - response in the visible and near - ir region ( 470 - 800 nm )

    研究發現該復合材料體系在可見光區和近紅外光區( 470 800nm )均有光譜響應,光譜響應得到了拓寬,並在該內的光電導性能有大幅度提高。
  14. In this paper we expatiate the importance of using the x - ray to detect the laser - produced plasmas and developing the two - channel elliptical crystal spectrometer ( tcecs ) in the 620 ~ 6200 - ev x - ray region

    本文闡述了利用x射線譜進行激光等離子體診斷和國家863軍口主題研製用於探測0 . 2 ~ 2nm的x射線譜的雙通道橢圓彎晶譜儀的重大意義。
  15. Under visible light excitation titanic acid and titanate sodium nanotubes showed a relatively intense emission, which red shifts with the increase of excitation wavelength. under humid conditions this photoluminescence of titanic acid nanotubes was not stable. the intensity decreased, and the emission peak was at 480nm, which cannot shift with the change of excitation wavelength

    鈦酸和鈦酸鈉納米管在使用可見光激發時,都能產生光致發光現象,當使用不同的可見光激發鈦酸和鈦酸鈉納米管時,能夠得到不同強度的發光譜帶,且發光峰的位置隨著激發光的變化發生較大的移動。
  16. Generally, the designed channel spacing of itu - t standard in wdm systems is from 0. 8nm to 1. 6nm, which is much larger than the spacing required by actual communication bandwidth. for example in lightwave transmission systems, a sghz channel occupies only 0. 04nm at the wavelength band of 1. 55 n m. thus, most of the bandwidth in the actual transmission systems may be wasted

    Itu - t標準中wdm系統設計的通道間距為0 . 8nm - 1 . 6nm ,這遠遠大於實際使用的通道帶寬,例如一個帶寬為5ghz的通道在1 . 55 m段只佔據了約0 . 04nm的,因而導致大部分的帶寬被浪費。
  17. This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily

    該振蕩有下述特徵: ( 1 )振蕩周期較,多數在30 ? 120s,故稱慢振蕩; ( 2 )振蕩幅度較大,其isi振蕩最小值在zms左右,最大值可達40ms ,表明放電頻率可在幾十到幾百k內變動; ( 3 )在isi連續變化過程中往往出現突然轉折,暫稱其為拐點。
  18. The performance targets of acquisition and tracking : the code rate of pseudorandom signals is 1m - 5mhz, the code length is 255. 511, the receiving sensitivity is - 118dbm, the dynamic range is 70db. the doppler of carrier is 75khz, the time that 10 targets are captured within 0. 2s

    捕獲和跟蹤的性能指標:偽隨機信號碼率1m 5m比特/秒,碼是255 、 511 ,接收靈敏度是- 118db ,信號動態是70db載普勒是75khz ,目標捕獲在0 . 2秒內。
  19. ( 1 ) length of placolith, ( 2 ) width of the placolith, ( 3 ) bridge angle, ( 4 ) roundness of placolith, ( 5 ) width of center pore and ( 6 ) size of center pore

    其中,在距今1 . 3ma左右的時期盾盤動最為明顯。橋角大小因子的集中在演化進程中動較小,但是橋角整體的很大。
  20. From three - wave coupling equations, the optimal crystal length, conversion efficiency and parametric light pulse width are computed numerically when clbo is used in picosecond optical parametric amplification. the results present that clbo are suited for optical parametric amplification in short wave band. in order to get higher conversion efficiency, the crystal length should be optimized according to the intensities of pump and signal waves

    從三耦合方程出發,對clbo用於皮秒級光參量放大時,最佳晶體度、轉換效率和參量光的脈沖寬度進行了理論分析和數值模擬,結果表明clbo晶體適合在短作光參量放大,為達到高的轉換效率和窄脈寬的信號光輸出,泵浦光和初始入射信號光的強度應根據晶體度取最優化值。
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