surface microwave 中文意思是什麼

surface microwave 解釋
地表微波
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  1. 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。
  2. The new technology of non - contact life - parameter detection is relative to that of the normal contact one, which uses microwave beams to illuminate the human subject, whose reflected wave will be modulated by the surface movement resulting from the physical activity. by this way, some parameters of the reflected wave, such as frequency and phase will be changed. if these changes can be detected, the life parameters such as respiration rate and heartbeat rate will be extracted from those changes

    非接觸生命參數檢測是相對于常規的接觸式檢測而言的一種新技術,它利用微波束照射人體,其回波信號被人體生命活動引起的體表微動所調制,使得回波信號的某些參數(如頻率、相位)發生改變,檢測到這些變化就能從中提取出人體的生命參數(如呼吸或心跳) 。
  3. She stared around herself with pleasure at exposed ceiling beams, gleaming copper brass pots, an oak island, a built - in oven and microwave with surface stove top

    她興致勃勃地環顧四周,看著那些全暴露的天花板橫梁,若隱若現的黃銅鍋,一個橡木灶臺,一個卡式爐和一個平面爐頂式微波爐。
  4. When the wind comes, water surface microwave clear, under sunlight reflection just like one each one small silver bowl, really is attractive

    風來時,水面微波粼粼,在陽光反射下宛如一個個小銀碗,煞是好看。
  5. Superconductivity - electronic characteristic measurements - surface resistance of superconductors at microwave frequencies

    超導性.電子特性測量.微波頻率下超導體的表面電阻
  6. The microwave delaylines using hts thin films have the advantages of small size and mass and low insertion lose. these characters are much better than the delaylines using surface acoustic wave, coaxial - line, magetostatic wave or conventional metal planar structures. these merits benefit a lot in largely reduction the mass and volume of communication systems

    利用高溫超導( htsc )薄膜材料研製的微波延遲線具有體積小、重量輕、插損小等優點,這是利用聲表面波、同軸線、靜磁波或常規金屬平面結構設計的延遲線所無法比擬的。這些優點對于減輕通信系統的重量和縮小體積都是非常有利的。
  7. The approaches of enhancing the mechanical properties of ramie and flax composites were studied in this paper. the effects of surface pretreatment, fiber content, molding temperature and pressure as well as the effect of electron beam, microwave and ultrasonic wave on the mechanical properties of the composites were explored. the experimental results show that : 1

    本文以苎麻、亞麻纖維為增強材料,線性低密度聚乙烯( lldpe )為基體,研製了兩種麻纖維層壓復合材料,研究了麻織物表面處理、纖維含量、成型溫度、成型壓力等對該復合材料力學性能的影響,得到了性能較為優異的麻纖維復合材料,探討了復合材料的增強機理。
  8. Surface flashover across the insulators in vacuum is the major limitation of the performance of the high power system, such as high power microwave tube, pulse power switch, high - energy linear accelerator, etc. flashover studies are of considerable importance in many applications. alumina ceramics are used widely in vacuum insulation system. the flashover and charging performance have been systematically investigated on alumina ceramics in vacuum under pulse voltage ( 0. 7 / 4 ^ 8 )

    真空中絕緣子沿面閃絡現象是制約高功率微波管、脈沖功率開關、高能粒子加速器等系統性能的主要原因,這是因為真空中絕緣子在一個比自身及相同真空間隙擊穿電場低得多的電場下就發生了表面閃絡的緣故,研究真空中絕緣子沿面閃絡現象及其形成機理對于改善和提高系統性能有重要意義。
  9. Srtio _ 3 ( sto ) thin films exhibit a large electric field dependence of dielectric permittivity. the microwave surface resistance of yba2cu3o7 - x ( ybco ) is much lower than that of the normal conductor. the typical value of rs for ybco epitaxial thin film is smaller than 1 m

    在低溫下, srtio _ 3 (簡寫為sto )薄膜具有強烈的非線性介電性質,即:介電常數隨外加直流電場變化而變化; yba2cu3o7 - x (簡寫為ybco )具有極低的微波表面電阻, rs ( 10ghz , 77k ) < 1m ,而且它們的晶體結構相似,晶格常數匹配以及化學性質相容。
  10. The dielectric constant of srtio3 ( sto ) thin films is voltage - dependent near the curie temperature tc ( about 40k ). and no dispersion in is observed in sto at frequencies up to 10 ghz. yba2cu3o7 - x ( ybco ) high temperature superconducting thin film has very low microwave surface resistance

    Srtio3 ( sto )薄膜在其居里溫度附近( ~ 40k )具有介電常數隨電場強度變化而變化的性質,同時sto在10ghz以下介電常數沒有頻率色散性。
  11. A measurement method of microwave surface resistance of large area high tc super - conductive thin films

    高溫超導薄膜微波表面電阻測試方法
  12. Surface acoustic wave components, capacitors, emc filters, ntc thermistors, ptc thermistors, ferrites & accessories, inductors, microwave ceramics, arrestors, rf modules etc

    聲表面波元件,電容器,電源濾波器,熱敏電阻,壓敏電阻,鐵氧體磁心與附件,電感器件,微波陶瓷元件,氣件放電管,射頻前羰模塊等等
  13. When the third pretreatment method was adopted, microwave input power was 700w, gas pressure was 1000pa and substrate was tangent on plasma ball surface, diamond films showed higher nucleation density by contrast

    經過對比採用方案基片處理方式,基片和等離子球處于相切位置時,在微波輸入功率700w和反應氣壓1000pa時沉積工藝參數時,基片成核密度較高。
  14. The macro characteristics of status cloud systems have been studied by using every 3 - hour sounding data, satellite cloud pictures, radar echoes, synoptic charts, surface rainfall, raindrop size distribution and microwave radiometer. the spatial distribution of precipitation particles and the mechanisms of their formation were studied by one - dimension stratus model. thus, spring stratus precipitation conceptual model was primarily established in henan province

    利用3小時一次的加密探空資料、衛星雲圖、雷達回波圖、天氣圖、地面雨量、雨滴譜、微波輻射計等資料,分析了降水雲系的宏觀特徵,並利用一維層狀雲模式研究了降水粒子的時空分佈和水質粒形成的微物理特徵,由此初步建立了河南省春季層狀雲降水的概念模型。
  15. Thirdly, the stress distribution in the human body exposed to stable plane wave is calculated in different incident direction and different polarized. also the stress exerts on the surface between human skull and brain tissue is calculated when the human body is exposed to nuclear explosion electromagnetic pulse or microwave weapon electromagnetic pulse in left incident direction and parallel polarized

    再次,分析了振幅為100 、隨正弦規律變化的穩態平面波沿不同方向或場極化方向不同時人體內的電場應力分佈,結果表明,波沿不同的方向入射或場極化方向不同時,對人體的作用是不同的。
  16. As the manufacture technology of high temperature superconductor ( hts ) film is improved continually, it is applied more and more widely. then it is becoming urgent to measure the microwave surface resistance of hts film that is one of the most important parameters of hts film

    高溫超導薄膜制備技術的不斷提高使得薄膜的應用日益廣泛,因而對薄膜各種性能指標的測定也顯得更加重要,這就迫切需要對超導薄膜最主要特性之一微波表面電阻進行精確的測試。
  17. 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。
  18. The equipment uses microwave beams to illuminate the human body and the surface movement caused by physical activity of human body modulates the return microwave beams. therefore some parameters of the return signal, such as the frequency and the phase will be changed. if these changes can be detected, the life parameters will be extracted

    其基本原理是利用電磁波束照射人體,其回波信號被人體生命活動引起的體表微動所調制,使得回波信號的某些參數(如頻率、相位)發生改變,檢測到這些變化就能從中提取出人體生命參數。
  19. With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission

    為了適應大功率微波管的發展,本文展開了對高性能(大電流密度、長壽命)陰極的研究,研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構無損檢測及表面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。
  20. The heater is cooking heat source in the microwave oven. generally 2 pcs. as one suite in series and the power of single tube is 400w 600w. bigger surface load and higher radiating coefficient make the microwave cooking food more quickly

    本加熱器在微波爐中為燒烤熱源,一般一組為2隻串聯使用,單管功率一般為400w600w ,表示負荷較大,且石英管表示的熱輻射系數高,使微波爐燒烤食物更加快捷。
分享友人