普通射線 的英文怎麼說

中文拼音 [tōngshèxiàn]
普通射線 英文
ordinary beam
  • : Ⅰ形容詞(普遍; 全面) general; universal Ⅱ名詞(姓氏) a surname
  • : 通量詞(用於動作)
  • : 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) ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 普通 : common; general; ordinary; plain; honest; private; trile; average
  1. Ordinary cosmic rays are puny things

    的太空都是微不足道的東西。
  2. Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water

    其研究的魚形舵是一個沒有在水下移動的魚尾形剖面單片結構,增加了全舵的剖面拱度,使螺旋槳尾流的折水量增強,進而增大了水動力的作用,使之比形舵的升力提高30左右。
  3. The simulation results are compared to the normal dipole antenna in order to observe the influence of fractal and investigate the effect of antenna miniaturization. the relationship between miniaturization and fractal dimension is researched. the koch and 3 / 2curve fractal unit are applied to yagi - uda antenna, the performance like impedance characteristic and radiation pattern is simulated by cst microwave studio ?

    對其阻抗特性及輻方向圖進行了模擬計算,並分別與未應用分形的半波振子天相比較,觀察分形對天性能的影響,以檢驗分形天小型化的效果,研究了尺寸縮減性與其分形結構的分形維數之間的關系。
  4. These ten varieties also react in slightly different ways to the chemical rays of ordinary sunlight

    這十個類型對日光化學反應方式有少許不同。
  5. Through field investigation, microscopic study, x - ray phase analysis and mineral infrared spectrum analysis, the authors determine the laumontitization had occurred widely in the axi gold field. according to the development of laumontitization and its relationship to mineralization, authors reveal that the laumontitization appeared mainly at the top and periphery to ore - bodies. it befallen at the edge of the geothermal fluid system or happened in the late stage of geothermal fluid system evolution, hence can be assigned as an indicator to prospect for epithermal gold deposit. the fluid causing laumontitization in the axi gold deposit is similar to those causing hot spring type gold deposit or in modern geothermal field. the fluidization of the axi gold deposit happened in carboniferous, showing the west tianshan is a good district for epithermal gold mineralization and preservation. so west tianshan is prospecting for exploring epithermal gold deposit

    過野外考察顯微鏡下薄片鑒定x物相分析和礦物紅外光譜等研究,確定了阿希金礦濁沸石化的遍存在根據濁沸石化發生的規律及其與礦床形成的關系,確定濁沸石化主要見于礦體的上部和外圍,發育在地熱流體系統的邊緣和演化晚期,可作為尋找淺成低溫熱液型金礦的標志之一。導致阿希金礦濁沸石化的流體性質與熱泉型金礦成礦流體和現代地熱田類似,流體作用發生在石炭紀,證明西天山地區具有良好的淺成低溫熱液型金礦的形成和保存環境,因此找礦前景較好。
  6. Compton scattering imaging is a radiation imaging technique that forms the image of an object by measuring compton scattering emitted from the object while it is irradiated

    頓散成像是過測量從被照物體中發出來的康頓散來對物體內部進行成像的放成像技術。
  7. 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,用fdtd方法並結合pml吸收邊界條件對該天進行了研究,結果表明本文所設計的基底鉆孔型電磁晶體貼片天取得了多方面的性能改善,與相比,基底中的表面波受到很大抑制,天的帶寬增加,遠場方向圖上天的旁瓣和背瓣被明顯削弱,向前輻的增益由原來的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 。
  8. A simple and quick inspection method is now needed, since almost any well washed slide appears immaculately clean under normal room light.

    洗好的襯底需要有簡單而快速的檢驗方法,因為在室內光下幾乎所有很好清洗過的襯底看起來都是十分清潔無瑕。
  9. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差道天方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多勒雷達導引頭的信號處理模式,建立了信號和數據處理模型,主要包括:加窗和多勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等,然後給出了信號處理流程。
  10. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天的波束收攏很多,並且向前輻的增益大大提高,與相比,天的e面和h面方向圖上向前輻的增益均提高了約6db ,另外,該復合結構天的方向性系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天的相應差值減少了約1
  11. At first, measuring the electron recoil spectra of target room gamma ray. through the resolution of spectra we get the gamma ray spectra caused by target room. then we transform it to the zero point, the place of neutron source, and calculate the leakage gamma ray spectra t from iron sphere caused by target room gamma ray by mcnp program

    靶室產生的本底,過實驗測量和模擬計算相結合的方法加以扣除,首先測量靶室產生的頓反沖電子譜,解譜得到靶室泄漏譜,將所解得的靶室泄漏譜歸一到原點,即中子源處,利用mcnp蒙卡程序輸運計算靶室穿透鐵球后所泄漏的能譜,最後從d ? t中子穿透鐵球伴生泄漏能譜s中扣除。
  12. Common physical identification systems that are used to track food product and ingredients include the use of bar coding and radio frequency identification rfid

    用於溯源食品和食品成分的物理認證系統包括條形碼和無頻識別技術
  13. With the development of the display technology, the crt display technology, for the reason of the kinescope ’ s huge bulk, bigger weight and hard to be bigger size, is losing the market order

    隨著新的顯示技術的發展,陰極管顯示技術因其體積太大、太重、顯示尺寸不容易作大的原因,已經越用越不能夠適應現代消費的需要。
  14. In this technique, commands are sent to the missile through a conventional wire or fire optic cable that reels out from the missile back to its launcher

    使用這種技術的系統,指令同過或者光纜傳遞給導彈,纜由導彈的尾部釋放並和發器連接。
  15. The gamma - ray leakage energy spectra s are resolved from the compton electron recoil spectra

    測量得到的康頓反沖電子譜過解逆矩陣得到能譜s 。
  16. Results show that, this method could reduce the computational cost to 1 / 3 of original by decreasing the true and all - over tracing times

    結果表明,該方法過減少真實、遍歷式追蹤的次數,能將徑跡法追蹤過程的計算量減少到原來的1 / 3左右。
  17. The study intends as a solution to the problem of the optimization designing of the system and the quantification inspection ubiquitously in the x - ray radiographic inspecting system, based on full comprehension and researching of high - energy x - ray digital radiography ( dr ), computerized tomography ( ct ) inspecting system, after analyzing the influence of such factors as the sensitivity of the system, the optimization designing of the radiographic inspecting system and the quantification inspection of the tiny flaw being the abrupt change structure are discussed

    本論文針對x成像檢測系統中遍存在的系統優化設計和定量檢測問題,在充分了解和研究高能x ?數字成像( digitalradiography ,簡稱dr ) 、計算機層析成像( computerizedtomography ,簡稱ct )檢測系統的基礎上,過分析影響系統靈敏度的因素,探討了成像檢測系統的優化設計和突變結構處微小疵病的定量檢測方法。
  18. Otherwise, an active integral chaotic measuring circuit is suggested based on the analysis of the present nonlinear circuits in this paper, which gets rid of nonlinear distortion of map function in constant - voltage mode and defect of constant - current source operating on - off state. using a general operational amplifier, high precision can also be obtained. a nth - order chaotic measuring system can be composed of its interconnection

    另外,本文在分析原有非性電路的基礎上提出一種有源積分式混沌測量電路,它克服了恆壓式測量電路映函數存在非性失真、恆流式測量電路不宜工作在開關狀態的不足,利用的運放也獲得較好的測量精度。
  19. Often, mode conversion techniques are used to change the undesirable mode to one that results in a radiation pattern with a boresight peak such as circular te1 1 or rectangular te 01 mode

    因此研究軸對稱模式的天技術具有重要意義。輻的工程設計方案常有三種:模式轉換器+喇叭、 vlasov天和cobra ( coaxialbeam - roatatingantenna )天
  20. The tio2, cds and cds - tio2 films on the common glass substrate were prepared, respectively, using ti ( oc4h9 ) 4, cd ( cooch3 ) 2 and scn2h4 as raw materials by sol - gel method. the influences of manifold preparing parameters ( such as the concentration of sol, the amount of the peg. the number of coatings, the heat - treated temperature and time ) on the structure and performance were studied

    本文採用溶膠-凝膠技術,以鈦酸丁酯、乙酸鎘和硫脲為原料,以玻璃片為載體,制備了納米tio _ 2薄膜、 cds薄膜和cds - tio _ 2復合半導體薄膜,研究了制備過程中多種制備參數(如溶膠的濃度,聚乙二醇( peg )的加入量,鍍膜層數,熱處理溫度及時間)對薄膜結構和性能的影響,採用x -( xrd ) 、掃描電鏡( sem ) 、能譜分析( edxa ) 、紫外-可見吸收光譜( uv - vis )等測試手段對各薄膜進行了結構和物性表徵。
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