點源輻射體 的英文怎麼說

中文拼音 [diǎnyuánfúshètǐ]
點源輻射體 英文
point source radiator
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （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） ...
  • 體 : 體構詞成分。
  • 輻射 : radiation; exposure; radio; beaming
  1. On the base of serious summarizing the experience of more than 20 pilot villages of the all city during the past 7 years, twice villages surveys in large scale in 1999 and 2001 ( including over 200 villages ) and thirteen pilot villages in the project of rural development by technology and education project in beijing in 2002, generalizing experience on how to develop village economy and rural development by technology and education project entirely, extrapolating the operating mechanism, management system and village development pattern in how to rely on technology to train rural elites and boom village economy especially. thereby, representing the conception, goal and operating clue of village economy and rural development by technology and education project for 21st century in beijing in detail. it is the first time to represent four operating thesis of rural development by technology and education project for 21st century in china systematically : system thesis of village productive forces ( inside ) ; regional actinoid thesis in village ( outside ), operating thesis for origin, bank and fluid, and the thesis of biology balancing and limited factors

    在認真總結北京市7年多來全市20餘個科教興村老試點和1999年、 2001年兩次大規模村級調查（ 200餘村） 、北京市2002年十三個科教興村新的試點的基礎上，全面總結如何依靠科技、教育在發展村域經濟、開展科教興村等方面的經驗教訓，特別是重點總結歸納了7年來北京市如何依靠科技、培育鄉土人才、促進村域經濟發展的科教興村的管理體系、運作模式、村級發展模式；在此基礎上，詳細闡述了21世紀北京市科教興村的概念、目標和工作思路；並在國內首次較系統地、深入地闡述了21世紀科教興村的四大運行理論基礎：村域生產力系統理論（對內） 、村域區域經濟發展輻射理論（對外） 、 「源、庫、流」運轉學說和「生態平衡理論和限制因子學說」 。
  2. At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known

    最後，對全文進行了總結，並指出今後研究工作重點。指出：瞬時得到各方向的投影是此技術實用化關鍵；在獲得溫度分佈信息基礎上，進行必要的假設和推導，能同時得到火焰中某特定組分濃度的分佈，這必將進一步我們對燃燒本質的理解；利用方向性好，輻射強度高的激光源代替常規的黑體爐，能得到輻射干涉投影圖像，這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。
  3. In this paper, the soi technology is applied to the integrated circuit fabrication. soi technology overcomes some disadvantages of bulk silicon because of its inherent structure. it has the advantages such as no latch - up effect, low parasitic capacitance, high transconductance, simple structure, high density and good anti - radiation

    Soi技術以其獨特的材料結構有效地克服了體硅材料的不足，它具有無閉鎖效應；漏源寄生電容小；較高的跨導和電流驅動能力；器件結構簡單；器件之間距離小；集成度高；抗輻射性能優良等優點。
  4. Using field emission cathode, x ray source can be made with several advantages : smaller volume and brighter, high frequency response, in - time turning on, etc. considering of the merits and potential markets, researching and fabricating miniature x - ray source is meaningful

    由於突起數目大且尖端頂端電場強度高，因此產生很大的場發射電流密度。採用場發射陰極的x射線光源具有體積小，輻射強度高，頻率響應快，可以隨時開啟，無需預熱的優點。
  5. A rectangular box simulating the axial box of the lathe tool is manufactured ; experimental measurements of the surface vibration on the rectangular box and the acoustic field around the rectangular box corresponding to firstly a series of a homogeneous excitation and secondly two iii independent white noise excitations are taken in a semi - anechoic chamber. taking the vibratory properties as input, the properties of the sound field are calculated by the evsbpm and the sdsbpm respectively. the effectiveness and reliability of the evsbpm and the sdsbpm for the calculation of acoustic radiation problem is further verified from the comparison of the calculated results and measured ones

    第五章設計加工了一模擬機床主軸箱的長方箱體，在半消聲室環境下，分別對其在單點處一系列簡諧激勵作用下和兩點處的獨立白噪聲激勵作用下的振動及其輻射聲場進行了實驗研究和分析計算，通過計算結果和實測值之間的比較，進一步驗證了改進體積源邊界合肥工業大學搏士學位論文點方法和統計分佈源邊界點方法計算振動聲輻射問題的有效性和可靠性。
  6. By experiment, we found that the variation of gear case radiant efficiency with frequency keep accordance with that of simple one as a whole, but the radiant efficiency of gear case will go beyond any calculation result of empirical formula when the frequency is below 250hz. we also found that stimulation changes affect radiant efficiency little by varying speed experiment, and it can be ignored in engineering calculation. the rectangle structures as gear case, possess characters of both plane and ball, and their sound radiant efficiency lie between plane and ball region

    通過試驗發現，總體上變速箱輻射效率隨頻率的變化規律同簡單構件的輻射效率是一致的，但在250hz以下的低頻區域，變速箱的輻射效率大大高於任何一個經驗公式的計算結果；通過換檔試驗發現，激勵的改變對輻射效率的影響不很顯著，工程計算可以不予考慮；對于變速箱這類三個方向尺寸差別不大的結構，其輻射性質具有平板和球源的雙重特徵，輻射效率介於平板和脈動球源之間，據此提出在工程應用時可以取平板和脈動球源輻射效率的平均作為此類結構輻射效率的觀點。
  7. A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第四章提出了一種新型的隨機振動聲輻射計算方法?統計分佈源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的隨機振動聲輻射算例，從計算精度、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對統計分佈源邊界點方法的有效性進行了考證。
  8. The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第三章導出了邊界點方法分析振動聲輻射問題的誤差估計理論公式，揭示了邊界點方法分析振動聲輻射問題的物理本質；研究了特解場的局部特性對邊界點方法的數值穩定性的影響；改進了現有的特解場構造方法，提出了改進體積源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的聲輻射算例，從計算精度、計算速度、計算穩定性、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對改進體積源邊界點方法的有效性進行了考證。
  9. Compared to other approaches, stereo vision is rapid, accurate and easy to conceal, as it is a passive measurement, which does not emit light and radiation

    相對與其他的方法，立體視覺是一種被動式的測量方法，本身不發出光以及其他輻射源。具有隱蔽性好，測量快速、準確等優點。
  10. Opo is one of the most promising all solid state source of coherent radiation that is tunable over a broad wavelength range and high average power output with a high conversion efficiency. the application and exploitation of it has important value of not only in theory but also practicality. but the development of opo requires the high optical quality and high damage threshold crystals

    Opo是一種具有廣泛應用前景的全固化相干輻射光源，而且具有寬的調諧范圍、高的輸出功率、高的轉換效率等特點，使opo的應用和開發具有重要的理論和實用價值，但是opo的發展需要有高的光學特性和高的抗損傷閾值的晶體。
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