高能輻射帶 的英文怎麼說
中文拼音 [gāonéngfúshèdài]
高能輻射帶
英文
high-energy radiation belt- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 能 : 能名詞(姓氏) a surname
- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 高能 : high energy高能等離子體 energetic plasma; 高能點火 [航空] high energy ignition; 高能電池(組) hi...
- 輻射 : radiation; exposure; radio; beaming
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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。( 2 ) as the core city in wanjiang city belt, wuhu had the high comprehensive development level, but its predominance was not distinctness relative to other cities, and can not exert its convergency and radialization function
蕪湖作為皖江城鎮帶的核心城市,雖然綜合發展水平較高,但優勢不明顯,沒有起到核心城市應有的集聚和輻射功能。It is designed according to electrical stove or microwave oven request. heating pipe adopts high temperature resistance mgo powder as the insulation medium and the stainless steel case is passed oxidation deal through the advanced web band protection oven 1050c in order to become the a special oxidation layer and improve the high temperature oxidation and bittern corrosive performance of the heating pipe. the heating tube has high power density and strong heat radion. this product with good safe performance can work normally after 3000hrs life test
加熱管選用耐高溫氧化鎂作絕緣介質,不銹鋼外殼經過先進的網帶氣體保護爐1050的氧化處理,形成一種特殊的氧化層,提高電熱管的抗高溫氧化及鹽鹵的腐蝕性能。電熱管的功率密度較高,熱輻射能力強。產品經長達3000h的壽命試驗后,仍能正常工作,安全性能好。The reason is that charged particles and high - energy photons interact with the rocky shielding material, producing showers of secondary radiation within the meteorite
原因在於帶電粒子與高能光子會與巖石遮蔽物質交互作用,在隕石內部引發二次輻射的簇射。For this reason, extreme radiation hardness and high power / weight ratio solar cells, which can work properly in van allen belts, must be developed
因此,為了能使通信衛星在vanallen輻射帶正常工作,必須要有一種強抗輻射並且具有較高重量比功率的太陽電池。Of all the discoveries of the outer atmosphere made possible by rockets and satellites, few equal in lmportance the revelation of the high radiation belts by van allen in 1958
譯為:在所有藉助火箭和衛星才能獲得的對外層大氣的發現中,在重要性方面很少能與范艾倫1958年發現高層輻射帶相比。However, there exist the so - called van allen radiation belts at this hight. the solar cells would work there for only several days, even for ‘ radiation hardness ’ si solar cells
但是,在這個軌道高度上存在所謂vanallen輻射帶,在這里即使是「抗輻射」的si太陽電池也只能正常工作幾天時間。At present, the solar cells used on space aircrafts are still mainly si and gaas solar cells. however, the radiation resistance ability of these two materials is poor. since the photoelectric conversion efficiency attenuates rapidly with the radiation, the lifetime of si and gaas solar cells is short and their stability is not satisfied for space applications at van allen belt
目前國內外用於航天器上的太陽電池主要為si和gaas太陽電池,但這兩種材料的抗輻射能力較差,其光電轉換效率由於高空輻射衰減很快,因而壽命短,穩定性差,不能滿足用於vanallen強輻射帶的空間應用需要。The result shows that the pbg structure has obvious character of forbidden band at the suitable size, and can be designed to good performance microwave filter. the pbg structure have the character of high resistance, that can reinforce the forward radiation, and reduce the backward radiation, increase the directivity, improve the gain and ameliorate the performance of the antenna. in addition, the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements
研究結果表面,取合適的尺寸時, pbg結構具有明顯的禁帶特性,可以設計成性能良好的微波濾波器; pbg結構具有高阻特性,把這種特性用於微波天線時, pbg結構可以加強前向輻射,減小後向輻射,增大天線的方向性系數,從而提高天線的增益,改善天線的性能,另外, pbg結構還可以大大提高天線單元之間的隔離度,顯著減小天線單元間的耦合。Featured by wide band gap, high breakage electric field, high electron mobility, low dielectric constant, strong irradiation proof and excellent chemical stability, silicon carbide ( sic ), viewed as one of the most promising wide band gap semiconductors, is widely utilized in optoelectronic devices, high frequency and large power, high temperature electronic devices
被譽為最有潛力的寬禁帶半導體材料一sic ,因其具有禁帶寬度大、擊穿電場高、熱導率大、電子飽和漂移速度高、介電常數小、抗輻射能力強、良好的化學穩定性等優異的特性,被廣泛地應用於光電器件、高頻大功率、高溫電子器件。Protecting living things from charged particles, as well as from high - energy radiation such as gamma rays, is trickier than shielding against uv
要保護生物免受帶電粒子及射線這類高能輻射所害,比遮蔽紫外線還煞費周章。The rate of single event upset ( seu ) for space - based missions has been predicted by means of ground - based particle accelerator test and simulation calculation based on models of space radiation environment and the interaction of ions with the microelectronic device
我們採用的方法是用地面重離子加速器模擬實驗和計算機模擬空間輻射環境進行單粒子翻轉率預估計算。引發單粒子翻轉的空間高能帶電粒子環境包括銀河宇宙線,太陽宇宙線和地球輻射帶中的高能質子及重離子。A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )
設計了一種基底鉆周期圓孔結構的電磁(光子)晶體貼片天線,用fdtd方法並結合pml吸收邊界條件對該天線進行了研究,結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善,與普通天線相比,基底中的表面波受到很大抑制,天線的帶寬增加,遠場方向圖上天線的旁瓣和背瓣被明顯削弱,向前輻射的增益由原來的12db增加到26db ,增加了14db ,比文獻上報道的gonzalo等人的研究結果提高了4db 。Gyroklystron amplifier is a novel high - power millimeter - wave coherent radiation source. as a result of high - power capability and high - efficiency and moderate bandwidth advantages, gyroklystron amplifiers have received a great deal of attention in recent years for a variety of applications including high - power radars, electronic counter systems and the next linear collider etc. specifically in twenty years later, there was much developments on gyrotron
迴旋速調管放大器是一種能夠在毫米波段獲得高功率、高效率及一定帶寬的新型毫米波相干輻射源,因其在高功率毫米波雷達、電子對抗、定向能武器、材料處理和加速器等領域的重要應用前景,在國際上受到了廣泛的重視。The enhanced levels of high - energy particles and radiation can even pose serious biological threats to human beings working or travelling in space
大量高能粒子和輻射更會對在太空工作和航行的人員帶來嚴重的生命威脅。In the paper, we put forward the combination of micro electronic technology, mems technology and vacuum micro electronic technology to develop a micro electronic pressure sensor with overload protection. the pressure sensor consists. of elastic anode membrane, isolation layer, vacuum micro cavity and field emission catelectrode tip array with overload protection. such pressure sensor has many advantages, such as high temperature stability, radiation resistance, fast response, high sensitivity, small volume, simple secondary instruments and bulk production
本文在重慶市科技「十五」項目的資助下,提出利用微電子技術、 mems技術和真空電子技術相結合的方法,研究一種帶過保護功能的真空微電子壓力傳感器,該壓力傳感器由帶過保護的場致發射陰極錐尖陣列、彈性陽極膜、絕緣層、真空微腔所構成,具有溫度穩定性好、抗輻射、快響應、高靈敏、體積小、二次儀表簡單、可批量生產等優點,具有廣泛的應用市場。The intensity of distinguishable pl peaks increased with the increasing n content in the films, and the central positions of the above two pl bands were influenced by both the content of o and n. it is suggested that these pl were originated from luminescence centers related to si - o and 0 - si - n defects
分立峰強度隨薄膜中的氮含量增加而升高,熒光帶中心位置受到氧、氮含量的影響,分析表明其熒光起源於si - o和n - si - o等復合缺陷組態能級間的輻射躍遷。The small towns play principal part in the urbanization of villages. their strengthening can not only cultivate the radiating center of rural economy, promote the surrounding rural economy ; but also recruit a large amount of surplus of rural labor force, reduce the agricultural population and enhance the whole agricultural benefits. but in the course of practice, the agricultural industrialization management and the small towns " construction are promoted respectively through different channels
小城鎮是農村城鎮化進程中的主體,加強小城鎮建設,不僅能培育和形成農村地區經濟輻射中心,帶動周圍農村的經濟發展,而且還能吸納大量的農村剩餘勞動力,減少農業從業人數,有助於提高農業整體效益,在實踐過程中,農業產業化經營與小城鎮建設大多是從不同的渠道分別推進的,沒有較好地實現結合發展。All the rooms have facilitate optical code line ; high quality green environment household residence ; high tech " bianjie newspaper " intelligent toilet, high clearness and anti - radiated, and has function of protecting vision sight lcd ; and the business room has lcd computer
所有房間均配置寬頻接入的光線寬帶高品質綠色環保家居高科技「便潔報」智能馬桶高清晰防輻射具有保護視力功能的液晶電視商務房配有液晶電腦。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。分享友人