波能吸收 的英文怎麼說
中文拼音 [bōnéngxīshōu]
波能吸收
英文
wave power absorption-
It showed the effluence of composite film on the permeation rate of o2 is more obvious than that of n2 and co2. but there is no apparent effect on their separation. compare with host film, thermal - infrared radiance of composite film decreased
結果表明fe3o4 / pvdf復合膜對于o2滲透速率的影響較n2 、 co2大,但對於三者分離效果不明顯;納米fe3o4的引入使得復合膜相對于pvdf基膜,熱紅外輻射率有所降低,並具有一定的電磁波吸收能力。The experiment results indicated that conditional on transforming layer 1mm thick and absorbing layer 2mm thick, the combined materials which were processed by 600 and 800 respectively have good absorbing performance, and the influence of the combing sequence on absorbing performance is indistinctive
實驗表明,當變換層為1mm ,吸收層為2mm時,以600處理的和800處理的材料進行不同組合都有較好的吸波性能。Hexa - ferrites are characteristic of ferromagnetism and conductance, so that they can produce magnetic hysteresis loss and electricity loss
它既能產生磁滯損耗又能產生電致損耗,因而是一種優良的微波吸收材料。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,尤其對于長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范圍做嚴格要求,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波長的遠紅外線,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。All subjects underwent spirometry, measurement of aortic pulse wae elocity ( pw ) and augmentation index, dual - energy x - ray absorptiometry, and blood sampling for inflammatory mediators
所有受試對象都進行肺活量測定、主動脈脈搏波速( pw )和增強指數測量、雙能x -線吸收儀檢查,以及炎癥介質血樣檢測。In this paper, on the basis of absorption of achievements of the research on auditory physiology, an auditory model simulationg the peripheral auditory system and part of the central auditory system is set up. the model is made of the fitlters presenting the characteristics of the basilar membrane for analyzing the voice signals, the half wave rectification modeling the inner hair cells and energy transfer of nerve fiber
在吸收聽覺生理學研究成果基礎上,建立了一個模擬外圍聽覺系統和部分中樞聖經系統功能的聽覺模型。模型由表徵基底膜的頻率分析的帶通濾波器組、內毛細胞的半波整流特性和神經纖維的能量轉換特性組成,該模型可以作為前端處理來提取語音信號的自相關圖譜。So we figured that the influence of the electron - electron interactions must be considered in our work. added an electron - electron interaction ( up to the fourth neighbor ) term to the baranowski - buttner - voit ( bbv ) model for polyaniline, we carried out a self - consistent - variation calculation for an biexciton in the pernigranlilne - base polymer, in order to confirm the model hamiltonian. the results showed that two peaks ( near l. oev and 1. 5ev ) appeared in the calculated optical absorption, besides the reproduced electronic structure, bond order wave ( bow ) and ring - torsion angles
發現引入電子?電子相互作用后,聚苯胺靜態激子的性質受到影響,該聚合物的鍵序波、芳環扭角和電子中文摘要結構發生了變化,而且在理論吸收譜的低能端出現了明顯的二特徵吸收峰( 1 . 0ev和1 . 5ev附近) ,這一結果與實驗數據很好的吻合,從而這一點表明我們所考慮的因素是合理的。Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve
空心結構的鐵氧體是對傳統實心鐵氧體的改造,不僅密度小,還具有特殊的電、磁功能,有可能使電磁波在其空腔中反復振蕩吸收,成為電磁波的「黑洞」 ,從而增加材料的吸波能力,同時可通過調節核殼粒子的內外徑來調控電磁參數。This sensor in this paper is based on the characteristic absorption spectrum of acetylene to detect acetylene content and utilizes the optical waveguide all through the process, so it has the intrinsic anti - explosion function, fast response time and good repeatability
本文研製的吸收型光纖乙炔傳感器是利用乙炔氣體的特徵吸收峰來在線檢測乙炔氣體的含量的,且整個過程利用的是光波導,因此它有本質防爆功能。在檢測乙炔時該傳感器響應快、重復性好。Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection
本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸波塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多組分吸波塗層對重量輕的要求;使用權重系數變化法,實現了吸波塗層的分頻段吸波性能要求。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,加之成熟的材料生長技術、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。The bar then absorbs energy from the wave and this makes it vibrate
鋁棒會從引力波中吸收能量並產生振動。3. results of absorption properties of different depth composites prove that the absorption peak is shifted to high frequency as the depth of materials decreases
通過對不同厚度材料的吸波性能研究,結果表明隨材料厚度的減小,材料對電磁波的吸收峰向高頻移動。It is composed of thirteen functin ? components including two 3 - db y - junction power splitter, two directional couplers, two waveguide attenuators and one polarizer of waveguide itself. the prominent feature of the device is that it has a beat detection function with respect to the single y - branch mioc device, and it plays an important role in improving the inertial - grade and the high precision steady - aim system because of the beat detection function. farthermore it has direct influence on the improvement of the high flexibility, shockproof and overload - resistance for the steady - aim system
器件的工作波長為1 . 3 m ,集分束器、合束器、起偏器/檢偏器、相位調制器、波導吸收器等十三個功能單元於一體,除了單y多功能集成光路器件具備的功能外,它還具有拍頻檢測功能,因而對提高慣導級和高精度穩瞄系統起著重要的作用,並直接影響著穩瞄系統的高機動性、抗沖擊力和過載能力的提高。By the late 1980s, scientists had learned that methane traps more heat than an equivalent concentration of co2 because it absorbs a wider range of wavelengths of earth ' s outgoing radiation
1980年代後期,科學家即知道甲烷捕捉的熱大於等濃度的二氧化碳,因為散發自地球的輻射中,甲烷能吸收的波長范圍較廣。The analytical mode is based on the theory of sound propagation in layered media. the concept of equivalent parameters is established. the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance
解析模型以分層介質中的波動理論為基礎,建立了等效參數的概念,並運用聲阻抗的復數表示法把阻尼層對介質層聲能吸收的影響都考慮進去,通過比較敷設消聲覆蓋層前後多層傳遞損失的差異來獲得消聲層的效率。Different measurement standard produce the estimate for the meter ' s measurement error. the theoretic analysis shows that the non - linear load is harmonic source, and the harmonic produced by it is transformed by part of basic wave absorbed by it from power system, therefore, traditional measurement mode has some
通過對非線性負荷的理論分析表明,作為諧波源,非線性負荷所產生的諧波是吸收基波的一部分轉化而來,從而說明傳統的計量方式具有不合理性,提出相應的解決方法和對策,並建議一種新的電能計量方式供同行研究探討。Nano - hexa - ferrites are of good absorbents. because they can not only absorb electromagnetic wave but also deflect and scatter electromagnetic wave, their absorbability was improved
納米鐵氧體是一種性能優良的吸波劑,它不僅能吸收電磁波,而且能偏轉、散射電磁波,吸波性能較一般鐵氧體更佳。Botswana will have a vibrant and energetic economy that is able to meet the competitive demands of the 21st century, and attract investors
波札那的經濟將變得生機勃勃、活力四射,能滿足21世紀富有競爭力的需求,並能吸收投資者。分享友人