beam well 中文意思是什麼

beam well 解釋
抽油井
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  • well : n 1 井。2 泉水;源頭,來源。3 坑,穴,凹處;【礦物】礦井,豎坑;【軍事】(地雷的)井坑;【建築】...
  1. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修正,得到瞬時海面的深度數據;對測深數據進行誤差分析處理,去除野值;將多波束數據進行坐標變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制標準海圖。
  2. When a collimated - well gaussian laser beam passes through a 27i - phase plate and then focused by a lens, a focused hollow beam ( fhb ) will be generated behind the lens, as a result of the completely ( r = 0 ) and partially ( r 0 ) destructive interference effects around the central region of the beam

    當一束準直的高斯光束通過具有2位相分佈的位相片和一個薄透鏡時,這將導致在入射高斯光束中心的完全和部分相消干涉效應,於是在透鏡后就會形成一束聚焦中空光束( fhb ) 。
  3. Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results

    結合密肋復合墻板的特殊構造,建立墻板的復合材料二相體力學模型,按照混凝土與砌塊體積比不變原則對肋梁肋柱同時加強,得出墻板的彈性計算常數及剪切常數,在此基礎上,進一步將墻板簡化為各向同性的計算模型,給出墻板彈性模量及剪切模量實用計算公式,為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。
  4. The company specializes in production of model jpkk series endless chain electric block, jkbk flexible single main beam hanged crane, rotary beam hoist, as well as all kinds of motor, carriage, control box, etc

    本公司專業生產jpkk型系列環鏈電動葫蘆、 jkbk柔性單主梁懸掛起重機、旋臂吊起重機以及各種電機、小車、控制箱等。
  5. Standard instrumentation includes a speedometer with odometer and resettable tripmeter as well as indicator lights for neutral, high beam and turn signals

    標準儀表盤包括了車速里程錶、短里程錶、空擋、遠光和轉向指示燈。
  6. In this thesis, ga is used to optimize the beam weights of intensity modulated radiation therapy ( imrt ) inverse planning, and 2d and 3d isodose contour as well as dose volume histogram ( dvh ) are used to evaluate the treatment plan

    本文應用遺傳演算法優化逆向調強放療計劃中射束的權重,用二維等劑量線、三維劑量分佈和劑量體積直方圖來評估計劃的優劣。
  7. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性(包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈) ,通過比較三種形狀位相元(等邊三角形、正方形和正六邊形)的遠場光斑特性,得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  8. The experiment of intracavity doubling of a 946 nm nd : yag laser with an lbo crystal has been done at room temperature. a continuous wave 473 nm laser is obtained with 235mw output power at a pump power of 20w. the laser beam quality of 473 nm is good as well

    對腔內倍頻輸出473nm激光進行了初步的實驗研究,在泵浦功率為20w時, l獲得了光束質量較好的連續波形式的藍光激光輸出,其功率為200mw 。
  9. To attain the high - power, well - proportioned and steady high - energy particle beam is the base of analyzing beam loss. the factors that influence the emission performance of the filament are analyzed, and the parameters are calculated. the experiment results proved the correctness of analyses

    獲得大功率、均勻、穩定的高能粒子束是進行束流損失分析的基礎,本文分析了影響燈絲發射特性因素,對燈絲各參數進行了設計計算,實驗證明了分析的正確性。
  10. Firstly, the complex characteristics of the seal images caused in the process of producing conditions are analyzed. to solve these problems respectively, the circularity clusters and the ostu method are firstly used to realize the shape classification and threshold processing of different seal images. then the image denoise is performed well by scanning beam seed filling and labeling algorithm

    論文中首先分析了印鑒圖像由於蓋印條件造成的圖像本身的一些復雜特點,提出了運用圓形度聚類和最大方差比演算法對圖像進行形狀分類和閾值處理,隨后利用掃描線種子填充演算法和貼刪標簽演算法進行噪聲的去除等預處理。
  11. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  12. At last, the effect of the steel yield strenth, the yield - to - ultimate stress ratio, the shape and size of the access hole is researched. in conclusion, the finite - elenent model and the program adoped in this paper can well similate the response of beam - to - cloumn connections uder cyclic load

    本文所建立的模型及採用的程序能夠很好的模擬、研究在循環荷載作用下剛性樑柱連接的反應,為進一步研究剛性鋼框架樑柱連接的抗震性能打下了基礎。
  13. Do some necessary calculations and decide on the general scheme of compton back - scattering imaging scanner to the real wall inspection. include the selection of radioactive source, the calculation of compton back - scattering beam, the calculation of the basic condition of finding out the different materials and the determination of some important parameters as well. 3

    其主要內容包括入射源的選擇,散射粒子的理論計算,發現異物的最低條件計算以及系統的一些重要參數的確定,主要包括:放射源的選擇,散射角的確定,后準直器的形狀與尺寸,前準直器的尺寸,前準直孔的大小,檢測器的種類與型號,檢測器的效率等。
  14. Beam switching, though, does not work well in the real world of wireless communications

    但是在真實的無線通訊世界里,射束交換技術的效果卻不太好。
  15. Well focused beam

    良聚焦束
  16. Based on the detailed investigation, the distribution of cracks in capping beam of the abutment of huaihe river bridge on the national road 107 is presented, the causes leading to the cracks are thoroughly analyzed, and the construction scheme and methods for remedy of the cracks in the abutment are described as well

    摘要在詳細調查的基礎上,介紹了107國道槐河大橋橋臺蓋梁裂縫的分佈情況,深入分析了裂縫形成原因,並闡述了該橋的加固方案和施工方法。
  17. But this method could n ' t reflect the influence of the variance of pile capacity on capping beam internal force and the partaking of soil to the load. combined with the item " the optimal design theory and research of pile capping beam " financed by natural science fund of hunan province, a new method which can consider the pile - soil interaction and tide over the disfigurement of the winkler soil model is used to adjust the foundation base reactions in this paper. by this method, the proper solution about the internal force of capping beam can be achieved and the relative stiffness and the relative position of soil spring are thought out well

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ,考慮梁下土體和基樁對承臺梁的共同作用,提出了能對梁下地基反力進行自動調整的一種新型方法,其克服了文克爾地基模型所存在的缺陷,該法在調整過程中,充分考慮了梁下各土體彈簧之間的相對剛度,相對位置,更接近承臺梁的實際工作情況,有利於獲得承臺梁內力的正確解答。
  18. The effects to beam for its normal section flexural capacity and rigidity and ductibility as well as other properties is discussed with different polypropylene fiber and different concrete strength by the bending test study herein on the reinforced concrete beams and the polypropylene fiber reinforced beams

    本文通過對摻聚丙烯纖維砼配筋梁的試驗研究,分析討論了單筋矩形截面梁配筋率相同時,分別考慮聚丙烯纖維摻量和混凝土強度等級等因素對梁的正截面承載力、剛度及延性等幾個方面的影響。
  19. Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system

    因而干涉儀系統達到高精度的基礎是:頻率及頻差穩定的雙頻激光源、穩定的等效腔長;測量光與參考光合光後有很高同軸度的光路結構;能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。
  20. It is well known that nonlinear self - focusing effect is one of the important factors to limit icf laser energy and worsen beam quality

    實踐表明,非線性自聚焦效應是限制icf驅動器激光輸出能量及破壞光束質量的主要因素之一。
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