空腔模 的英文怎麼說

中文拼音 [kōngqiāng]
空腔模 英文
evacuated mold
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 名詞1. (動物體內空的部分) cavity; chamber 2. (話) speech 3. (樂曲的調子) tune; pitch 4. (說話的腔調) accent; tone
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  1. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學擬內燃式熱風爐內冷風在格子磚柱中的分佈,尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.擬結果表明,在支柱內加設水平導流板改變了原有大迴旋流場,使迴旋流變成大面積的單向流.通過在支柱內加設水平導流板可以發展邊緣氣流,這恰好與加設豎直導流板的作用相反,水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  2. On the basis of the experimental research, its hysteresis characteristics, calculation method of stiffness in different stage and ultimate bearing capacity are discussed. based on a seismic design method on the new lateral resistant system is concluded according to the research result in the paper. the effect of some parameters is discussed on steel frame with cavity sandwich wall infill and some design suggestion is presented

    在試驗研究的基礎上,建立了該體系的恢復力特性型,提出了型各受力階段的剛度計算公式、極限承載能力的計算方法和抗震計算方法;對影響結構砌體填充墻鋼框架抗側力性能的因素進行了討論,提出了設計建議。
  3. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較,用域平滑演算法解決了相干源的二維doa估計;其次運用理論計算微帶天線的自阻抗,用反應原理計算微帶天線間的互阻抗,進而形成計入互耦影響的廣義阻抗矩陣;討論了互耦對二維doa估計的影響,提出了兩種互耦補償的方法。
  4. Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively

    本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量解耦化爆擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和爆炸實驗研究。
  5. 2. we design a configuration of frequency - doubler according to the optimum focus condition and the cavity stability condition | a + d | < 2 and optimize it based on " mode - matching " and " optimum coupling ". 99. 96 % of optical impedance - match efficiency and over 95 % of spatial mode - matching efficiency are achieved eventually by using t = 10 % of input coupler in our experiment

    ( 2 )根據最佳聚焦條件和的穩定性條件( | a + d | 2 )對四鏡環型倍頻進行了設計,並分別從「式匹配」和「最佳輸入耦合鏡透射率的選擇」兩方面著手對進行優化,在我們的實驗中採用10的輸入耦合鏡,獲得阻抗匹配效率為99 . 96 ,式匹配效率高於95以上的式。
  6. Two l : 2 - scale steel frame specimens are tested on their behavior under cycle loading and some cavity sandwich panel infill specimens are tested

    完成了兩榀1 : 2鋼框架型試驗和結構砌體的材性試驗。
  7. It is indicated that the cavity modes blueshift with decreased radius, and on decreasing radii there is obvious anticross between the three polaritons resulted from interaction between cavity modes and its corresponding exciton modes

    結果表明隨著微半徑的減小能量藍移,與相應的重穴激子、輕穴激子藕合形成的極化激元的三支隨著微半徑的減小存在明顯的反交叉行為。
  8. In the meantime, the heat lost through the filling way in epc was also greater than that in common mold

    結果表明,消失充型順序與普通鑄造充型順序大為不同,消失流動過程的熱量損失較普通鑄造熱量損失大得多。
  9. Experimental and theoretical study of parallel hole cut blasting with cavity

    孔直眼掏槽成型理論與實踐分析
  10. Firstly, the oscillator theory was researched as the base of the design of oscillator - type aia in this paper. the derivation of oscillation condition and stability condition were given ; at the same time, the cavity modeling theory of microstrip antenna was studied, which gave the relation between the size of microstrip antenna and the resonate frequency and that between the size and impedance of microstrip antenna

    首先,針對本文所討論的振蕩型有源集成天線,作為理論基礎,進行了振蕩器理論的研究,推導出有源集成天線的振蕩條件和穩定條件;同時利用空腔模理論,給出了天線尺寸與諧振頻率和輸入阻抗的關系。
  11. Laws of propagation and attenuation of spherical stress wave in the geologic media have been studied in detail by means of mini - chemical explosion test in laboratory in this paper. the lows are fundamental to improve and develop theoretic models for underground explosions ( tamped and cavity decoupled ) on the stress wave propagation, safety and containment during the explosion

    運用微型藥量化爆擬試驗可以比較深入、細致地研究地質介質中球形發散應力波的傳播、衰減規律,這對于改進、發展用於估算地下爆炸(填實和解耦)應力波的傳播及安全封閉的理論計算型是至關重要的基礎資料。
  12. Firstly, we make numerical modeling analysis with finite element method and eliminate the effect of tunnel - cavity, translate the apparent resistivity curve of advanced detection in tunnel into the curve in full space

    首先利用有限元數值擬技術分析並消除坑道對視電阻率的影響,並將坑道超前探測視電阻率曲線轉化為全間視電阻率曲線。
  13. Cyclodextrin and their derivatives have the hydrophobic cavities and hydrophilic wall. as the molecular host they are well known to have the property of forming inclusion complexes with organic, inorganic and biological molecules which possess suitable polarity and dimension. as the excellent enzyme model and molecule receptor, cyclodextrins have been widely used in many fields in science and technology

    環糊精及其衍生物具有疏水性和親水性外壁,作為主體分子可包絡識別各種有機、無機和生物分子而形成主?客體超分子包合物,故作為優良的酶型和分子受體在科學和技術等諸多領域有著極為廣泛的應用。
  14. 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。
  15. Ld - pumped nd : yag, lbo ( type - i critical phase matching ) intracavity frequency doubled, blue laser at 473nm was obtained finally. under the condition of 14w pump power, high power tem00 mode blue laser at 473nm of 1. 1w was obtained. by means of inserting diaphragm into cavity, the power fluctuation and beam mode were improved ; in the experiments, the proportion of special mode matching in quasi - three - level laser was discovered, and the phenomenon were explained reasonedly

    實驗上採用對熱效應不敏感的三鏡折疊, ld泵浦nd : yag ,類相位匹配lbo作為倍頻晶體,獲得了1 . 1瓦的連續473mn藍光輸出;採用內插入光闌的方法,有效克服了功率抖動,同時改善了光斑式;實驗中發現準三能級激光器存在兩個式匹配比例關系,並對這一現象給出了合理的解釋。
  16. On the basis of the experimental research, calculation method of stiffness in different stage, ultimate bearing capacity of cavity sandwith panel infill steel frame are discussed and aseismic design method on the new lateral resistant system are concluded. this model is implemented into the analysis on the experimental steel frame and the results agree well with experimental results. the design method is presented according to the interacting of infill and frame

    在試驗研究的基礎上,建立了砌塊復合墻體鋼框架體系考慮退化的三線型恢復力特性型,提出了型各受力階段的剛度計算公式、極限承載能力的計算方法和抗震計算方法,將該型的計算方法用於本次試驗鋼框架,所得出的計算結果與試驗吻合良好。
  17. If rigid walls are assumed in the finite element model for the boundary panels, an eight node, isoparametric acoustic finite element model is developed for calculating the acoustic modes of cavities. initially a rectangular enclosure is analyzed in order to study the convergence of the results

    利用8節點塊體單元,在剛性壁條件下,對聲場的基本方程進行數值求解,在jifex系統中發展了這種新的有限元型,計算了封閉的聲學態(固有頻率和振型) 。
  18. There are still many problems remain to be solved in these aspects, such as research on the cladding material, lateral resistant system and steel frame connections, etc. in this paper six 1 : 2 - scale steel frame specimens and eight full - scale steel frame connection specimens are tested on their behavior under cycle loading. there are five aspects as below on the problems of steel resident building researched : 1 a new lateral resistant system, which is steel frame with cavity sandwich wall infill, is put forward for the first time in this paper

    本文針對鋼結構住宅體系中亟待解決的若干問題,完成了六榀1 : 2鋼框架型試驗和八個足尺比例的樑柱連接型在低周往復荷載作用下的試驗,進行了以下幾個方面的深入研究: 1本文首次提出了一種新型的復合填充墻鋼框架抗側力體系。
  19. The hub leakage flows were modeled and calculated in two different ways : the flow fields inside hub axial gap were calculated together with blade passage flow in an integrated manner, and the leakage flows due to the hub axial gap were modeled as inlet boundary conditions

    計算時分別採用了兩種化途徑,即耦合求解轉子上游葉根間隙內與轉子通道內的流場,以及求解將葉根同間隙化為進口邊界的轉子流場。
  20. The element is then used to analyse an irregular shaped cavity. a semi - analytic method, in which the derivatives of stiffness matrix and mass matrix are obtained by the difference technique, for sensitivity analysis in dynamic shape optimization is presented in this dissertation

    本文採用基於局部差分的半解析演算法,進行特徵值的靈敏度分析,並將計算結果提供給結構力學分析塊,實現了聲學的有限元分析和靈敏度計算。
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