radial well 中文意思是什麼

radial well 解釋
放射狀井
  • radial : adj 1 光線的;光線狀的。2 放射的,輻射(狀)的。3 鐳的。4 【數學】半徑的;【物理學】徑向的;【解...
  • 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. The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion

    本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。
  2. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  3. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求
  4. According to the working principle of magnetic bearing, there exists force coupling, magnetic coupling in radial magnetic bearings inside the magnetic suspension rotor system, and there exists force coupling, moment coupling between magnetic bearings as well

    摘要磁懸浮轉子系統中,根據磁力軸承工作原理,徑向磁力軸承內存在力耦合、磁耦合;徑向磁力軸承之間存在力耦合、力矩耦合。
  5. On the basis of this, we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ). we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ). the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller. the halo intensity of k - v distribution, water - bag distribution and parabolic distribution and be reduced to zero. in the case of 3 - sigma distribution and full gauss distribution, the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator

    在此基礎上,選擇a為控制變量,構造延遲反饋控制器g : g ( s glrrms ( s )一rms ( s ) ( 2 )同( l )式一致,將此控制器函數加在粒子徑向所受束自生場力方程的右邊。利用多粒子數值模擬程序( pic )進行了控制試驗。模擬結果表明,用同一個控制器和同一個控制參數即可實現五種不同初始分佈情況下的束運一混飩的有效控制。
  6. Abstract : the control methods of tailing dam of wulongquan mine were introduced, some new techniques as recovery and utilization of the wash - or e tailings of limestones and dolomites, and draining seepage and solidification technology by radial well to reinforce the main dam were described in detail

    文摘:介紹了烏龍泉礦尾礦庫治理的具體方法,詳細地闡述了回收利用石灰石、白雲石洗礦尾礦的回收利用和採用輻射井排滲固結技術加固主壩等新工藝。
  7. The economic success of wepuko hydraulik gmbh co pumpen kompressorenfabrik is coined / shaped by products and service services such as radial piston pumps, piston pumps, descaling plants in addition to three - piston pump, accumulator systems and fluid technology. one can even receive offers on hydraulically, injection pumps, fluid pumps and process pumps as well as on cables and connections with wepuko hydraulik gmbh co pumpen kompressorenfabrik in outstanding quality

    Wepuko hydraulik gmbh co pumpen kompressorenfabrik是一家可靠的、知名的生產商和服務商,該公司提供很多令人震驚的產品,例如除鱗設備、去鐵皮設備,活塞泵,徑向柱塞泵、旋轉活塞泵,液壓的,液體泵,加工泵,流體技術,連接技術。
  8. The radial forearm flap was salvaged and survived well later, minor complications including one wound infection and one skin graft loss of donor site were noted and healed after debridement and skin graft

    輕微合併癥包括了,一位傷口感染與一位供皮瓣區植皮缺失,在清創與植皮后,傷口完全愈合。
  9. Drainage domain of partial penetration gas well in bottom water reservoirs consists of the following two parts : ( 1 ) non - darcy binomial radial flow near the well ; ( 2 ) three dimensional darcy flow in areas far away from the partial penetration gas well due to bottom water drive

    摘要底水打開不完善氣井的滲流是由井附近區域遵循二項式徑向流規律的非達西流動及此區域外遵循由底水驅動向不完善井三維達西流動兩部分組成。
  10. Abstract : a percolation model of radial flow with which the process of sand production in horizontal well can be simulated and a method by which a series of tests can be carried out are introduced in this paper

    文摘:介紹了一種模擬水平井出砂的徑向流試驗模型和在該模型上進行的地層出砂試驗的方法。
  11. Unsteady separated flow, produced during the gate - opening period in the reverse radial gate tunnel of a high - lift shiplock, is characterized by negative pressure and high velocity as well as their intense fluctuations in space and time and could easily result in various harmful phenomena such as cavitation, gate vibration and sonic boom, which have been observed and confirmed by prototype and physical model tests

    高水頭船閘輸水反弧閥門開啟過程中,后廊道內發生急變分離流,負壓、高速水流以及壓力與流速的劇烈時空脈動變化容易誘發空化空蝕、門振和聲震等有害現象已被原型觀測和物理模型試驗研究證實。
  12. Through studing the plane and vertical hydromechanical characteristics in the radial sandbanks area, the mechanisms of the formation, maintenance and asymmetrical distribution of the radial sandbanks are understood. it ' s well known that the directional to - and - fro movement and strong tidal current are the necessary dynamic conditions for the formation of tidal current sandbanks

    通過對輻射沙脊群海域平面及立面動力特徵的研究,基本探明了南黃海輻射沙脊群形成發育和維持的水動力機制,以及其不對稱分佈格局與動力因素的內在聯系。
  13. In the paper, by fractional - dimension space model, the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions, radial intensity and bohr radius in zno / mgzno with different well width are studied firstly. secondly, the system dimension, exciton wave functions and absorption spectrum in hexagonal microtube zno film were calculated and simulated, and the confinement of microtube is discussed. then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled

    本文利用分數維空間模型,首先研究了zno / mgzno量子阱中系統維度、激子波函數、徑向密度和波爾半徑隨阱寬的變化,從中反映了zno / mgzno量子阱中量子尺寸效應對激子態的影響;其次計算和模擬得到六棱微管zno薄膜的系統維度、激子波函數及吸收譜,討論了微管壁厚對激子的限制情況。
  14. " second, jhe failure process of lpg vessel usually includes two phasest the crack formation and the crack propagation. after the temperatat field distribution and the iil. stress field distribution of lpg vessel without cracks are calculated, the stress intensity factor of lpg vessel with initial radial crack as well as surface crack are calculated and analyzed

    其次,液化氣容器的失效過程通常分為裂紋形成和裂紋擴展兩個階段,本文在對無裂紋液化氣容器的瞬態溫度場和應力場進行了計算后,對含有初始表面裂紋的液化氣容器的瞬態應力強度因子進行了計算和分析。
  15. The nonlinear exponent is a function of the radial distance from the pumping well. the two - regime well flow problems being in the steady state. in the fourth chapter, the problems of two - regime well flow have been discussed concentrating on a kind of special seepage law

    第四章對一種特殊的非線性滲流規律即充分紊流的情況,進行了全面、詳細地討論,推導出了該情況下井流問題的滲流速度、水頭降深和井流函數的解析表達式,作出了些具有代表性的標準曲線。
  16. Drp was awarded various honors and titles of nation, province and ministry. at present, we make nearly 150 sorts and 300 specifications high added value products such as rubber universal equipment, radial tire complete set and plastic machinery accessories etc. these products are well sold to 34 provinces, cities, and autonomous regions including taiwan, macao and hongkong in china as well as 60 countries and regions in europe, america, australia, and africa etc

    公司生產的橡膠密煉生產線橡膠塑料壓延生產線塑料擠出生產線各種開煉機胎面復合擠出機輪胎定型硫化機等橡膠通用設備子午胎成套設備輪胎翻新設備及塑料加工輔助加工二次成型加工設備等高附加值產品有150多個品種, 300多個規格,產品銷往全國包括港澳臺34個省市自治區,遠銷歐美亞澳非等60多個國家和地區。
  17. Abstract : being aimed at the poor rock - breaking efficiency of rotary water jet in hard formations and deep wells with radial horizontal well technology, by use of powerful advantages of abrasive jet rock - breaking, experimental study on rotary abrasive jet was made

    文摘:針對徑向水平井鉆井技術中旋轉水射流在硬地層和深井中破巖能力低的不足,利用磨料射流破巖能力強的優勢,對旋轉磨料射流進行了試驗研究。
  18. In the process of the software development of well test interpretation, a method for early - stage ( pure wellbore storagy, fracture linear flow, fracture - formation dual linear flow ) and radial flow stage parameters interpretation is proposed

    摘要在試井資料解釋軟體開發過程中,提出了求解早期段(純井簡儲集、裂縫線性流、裂縫地層雙線性流)和徑向流段解釋參數的解釋方法。
  19. The simulation results show that to start the oscillation, the length of the resonance cavity must be well matched with the radial span of the cavity ; mismatch of them will greatly affect the microwave development ; the output power of the microwave in rtto is affected by the microwave mode obviously. under the same conditions, the output power for temooi mode is the highest, and its start and saturation time of oscillation are the shortest. the results also show that the output power will decrease with the increase of the size of the extract window ; the operating state of rtto has great close relationship with the operating current, and there exists an optimum current value

    結果表明,束電壓一定時,諧振腔腔長和徑向間距必須良好匹配微波才能起振,匹配不佳會極大地影響微波產生;微波模式對微波產生功率影響很大,同等條件下, tem _ ( 001 )模式的微波功率最高,起振時間和飽和時間最短;微波輸出功率隨提取口的增大而減小; rtto工作狀態與工作電流的大小關系密切,存在一個最佳工作電流值。
  20. Then the dynamic model of saturated soil layer caused by pile longitudinal vibration is founded. incorporated wave propagations into saturated soil layer, the characteristics of soil resistance factor and the mechanism of the radial damping are analyzed, as well as distributions of shear stress and pore pressure in saturated soil caused by pile vibration

    然後利用上述解析解分析了飽和土層復阻抗,並從飽和土波動理論出發,建立了樁縱向振動引起的飽和土層振動模式,剖析了輻射阻尼產生機理,研究了樁縱向振動引起的飽和土層中剪應力及孔隙水壓力分佈。
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