熱發射功率 的英文怎麼說
中文拼音 [rèfāshègōnglǜ]
熱發射功率
英文
thermal emissive power-
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。Rf over voltage protection, laser over heat protection, automatic power control and automatic temperature control to ensure the reliability and stability
射頻過激勵保護激光器過熱關斷保護,自動功率控制,自動溫度控制,確保光發射機工作性But if engineers can figure out how to integrate millions of relativistic gates on a small silicon chip ? and awschalom is working with research groups at intel and hewlett - packard to do just that ? the result could be processors that run much faster than current models do, while consuming far less power and radiating far less heat
不過假如工程師有辦法把幾百萬個相對論性邏輯閘整合在一小塊矽晶片上,其成果可能就是執行速度比當今機種快很多,而功率消耗與熱輻射卻少得多的微處理器;奧沙隆目前正在和英特爾與惠普的研究群合作研發這種晶片。The conclusion is drawn that in the quasi two - stage compression heat pump system coupled with ejector, discharge temperature of the compressor is decreased effectively, electric power is reduced, and heating performance is increased compared with those of the flash - tank throttle system in the same conditions. it shows that the quasi two - stage compression heat pump system coupled with ejector improves performances of air - source heat pump in theory
由結果可以看出:在相同工況下,準二級壓縮?噴射復合熱泵系統可以有效降低壓縮機排氣溫度,所消耗的電功率較閃發器節流系統有所降低,制熱性能有所增加,從理論上說明該系統在解決空氣源熱泵低溫適應性問題上有進一步突破。The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques, main parts and performance indexes of a infrared camera, functional blocks and implementation of infrared processing software, experimental facility and measuring system of the wind tunnel has been made. the model emittance was experimentally determined and the three methods correcting directional emittance were compared. those problems of the infinite - slab model thickness and constant wall heat rates hypothesis, the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis
本文對紅外熱圖測熱技術與應用前景、紅外熱像儀主要部件與性能指標、紅外測熱數據處理軟體功能模塊與實現、風洞試驗設備與測量系統等進行了論述,測量了模型表面發射率並對發射率隨極角變化的三種修正方法進行了對比,對一維熱傳導分析中模型壁厚半無限假設、壁面熱流定常假設、絕熱壁溫選取等進行了探討。According to experiments, lab6, with high conductivity, good heat stability and chemical stability, low work function, and active cathode appearance, has become an ideal material for field emission array cathodes
經試驗證明,六硼化鑭( lab6 )具有高導電率和良好的熱穩定性、化學穩定性、低功函數以及活性陰極表面,因此從理論上成為了場發射陰極的理想材料。Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers
其中,在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響;然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗,通過分析它們對振蕩激光腔模尺寸的影響,得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求,為高功率連續單頻nd : yvo _ 4激光器的優化設計提供了理論依據。In this paper , first, the author drew some important conclusions by analyzing several technical factors and experimental conditions which would have great influence on the quality of diamond thin films during mpcvd process , including gas proportion , the power of microwave , the plasma ' s location, the nucleation technique, etc. finally , the author has successfully deposited nanocrystalline diamond thin films with 300nm crystal particles on the slick surface of silicon by using ch4 / h2 gases in the mpcvd system , and the nanocrystalline diamond thin films was proved to have good field emission performance. all these researches will make the foundation for the field emission cathode of diamond films
本論文中,作者分析了mpcvd方法中氣源成分比、微波功率、等離子體球的位置、成核技術等各種工藝條件對金剛石薄膜質量的影響,並總結得到了一些有意義的結論;同時,在自行研製的mpcvd沉積系統上,於4 - 7kpa 、 1000左右的熱力學條件下,採用ch4 / h2氣源氣氛在光滑的硅襯底上制備出了晶粒尺寸在300納米以下的納米晶金剛石薄膜,測試得到了較好的薄膜場致電子發射性能,為金剛石薄膜場致發射冷陰極的研究工作打下了實驗基礎。When we produce field emitting cold cathodes, we must consider not only the work function, conductance, density, reliability and mission capability but also the demand of technique
在制備場發射陰極時,必須考慮到材料功函數、電導率、密度、熱穩定性、化學穩定性等因素對其發射性能的影響,同時要考慮材料對加工工藝上的要求。This paper has discussed the airborne monitoring of radioactive contamination formed during exploitation and utilization of iron ore and coal ore, analyzed the gamma radiant eminence map of china, and determined several relatively high radioactivity level regions, thus showing the effects of airborne radioactivity survey
摘要通過對鐵、煤開發利用中形成的放射性熱點的成功航空檢測,以及對中國輻射照射量率圖的分析,確定了幾個放射性水平偏高區域,從而闡明了航空放射性測量在環境檢測中的作用。Due to its intrinsic merits, such as wide band gap, high electron saturated drift velocity, high melting point, good coefficient of thermal conductivity, anti - radiation and good chemical stability, gallium nitride as a direct band gap semiconductor has become the promising material for the application of short - wave light - emitting devices and high temperature, high frequency and high power electronic devices
Gan是直接帶隙半導體材料,以其禁帶寬度大、電子飽和漂移速度大、熔點高、熱導率高、抗輻射能力強和化學穩定性好等優點成為製造短波長光發射器件及高溫、高頻、大功率電子器件的理想材料。Pin diode used as thermo sensor and heating component in this method, low frequency pulse power amplifier is used to substitute rf power in thermo - resistance measurement, and pulse wide compensation is used in dissipation measurement, then equipment require reduced and flexible of equipment rising
該方法以pin二極體作為感溫元件和發熱元件,採用功率脈沖源來代替射頻功率放大器對器件進行加熱進行熱阻測試,使用占空比補償法進行功耗測試,大大降低了設備要求,提高了測試設備的通用性。分享友人