環孔徑 的英文怎麼說
中文拼音 [huánkǒngjìng]
環孔徑
英文
annular aperture-
Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given
滑坡是一種危害極大的地質災害，它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法，它的許多特點，如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上，根據抗滑樁施工要求，分析了風動潛孔錘用於抗滑樁施工的可行性，並舉出了其應用實例Medicaments is absorbed through the skin, outside changing property to affect except the put in order that gets medicaments itself, still with skin itself appear a gender to have affinity, the corneous layer in the skin is the main obstacle that the influence appears a skin to absorb
藥物經皮膚吸收進入體內的主要途徑有： （ 1 ）通過毛細血管通道；經過角質層轉運和皮膚深層轉運而吸收入血，阻隨血液循環到達人體各部位； （ 2 ）水合作用：角質層經水合作用后，可膨化呈多孔狀態，有利於藥物滲透； （ 3 ）熱刺激作用：可使局部血管擴張，血液循環加快，有利於藥物的穿透彌散和吸收。Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay, nylon net packing around well tube filters, designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc. we succeeded in constructing 3 drinking - water wells in minqin county, proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area
通過孔徑與管徑的調配設計，增大環狀粒料層和止水粘土層的厚度；濾水管外包尼龍紗網；粒料與止水粘土接觸界面上設計反濾層；填粒后先行拉活塞利用水力夯實粒料層，再投粘土球止掉上部鹹水等措施，在民勤縣三口人飲水井施工中取得顯著效果，證明了該套成井工藝的有效性和可行性，有望為同類地區人飲水井施工提供技術示範作用。The larger reverse circulation bits used for drilling through pebbles
卵礫石層大直徑反循環樁孔鉆進用鉆頭And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation
結合實際的應用情況，對矢量水聽器構成的陣列進行了初步的探討，利用本文前面部分所分析的基於單矢量水聽器的方法，實現了陣元間距突破半波長上限的局限，並解決了角度估計的循環模糊問題，以較小的硬體代價和運算代價實現陣列孔徑的擴展，提高估計精度。Axial irradiance distribution throughout the entire space behind a binary annular aperture
二元環形孔徑全空間軸線上的衍射光強分佈The central air conditioner, closed - circuit tv, can contract large, medium - sized, small meetings and all kinds of banquets
裕隆大飯店北依巍巍古城北門，南臨孔府孔廟名勝，背靠曲徑通幽的護城河，環境幽雅，位置優越。The experimental results show that the distribution of the radial static pressure behind the model cascade can be controlled by changing the diameter, number and distribution of the holes at different radius of the full circled backboard with the holes properly ， and the experiments variable enthalpy drop in the model cascade can be realized by using out - circled backboard or in - circled backboard which are set on the different distances from the trailing edge of the model cascade
實驗結果表明，適當選擇全環鉆孔擋板不同半徑處的鉆孔率、鉆孔直徑與分佈，可調節靜葉后徑向靜壓分佈，採用外環或內環擋板，並將其分別置於靜葉的近、中、遠下游，可實現靜葉柵的變焓降實驗。Small diameter smooth plug gauge of standard tapping ring for wire thread insert
鋼絲螺套用標準螺孔環小徑的光滑塞規Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes
在不同油氣比下，不同的雙級旋流器幾何參數（例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主燃孔孔布局等）對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物（ co _ 2 、 co和nox ）排放等燃燒性能的影響規律進行了研究。The machine can adopt positive and negative circulation and other deep drilling technique, adapts to various stratum, is the first selected equipment for foundation construction of river ' s bridge and dock, and also adapts to large diameter borehole construction such as tall building, coal mine vertical well and sewage well, it exerts great action many changjiang river large scale bridges foundation construction
該機可採用正反循環等鉆進工藝施工，適合於各種地層，是江河橋梁、碼頭基礎施工的首選設備，也適用於高層建築、煤礦豎井和污水井等大口徑鉆孔施工，在多座長江大型橋梁基礎施工中發揮了巨大作用。The software has been used in many projects such as dual - frequency multi - polarization and multi - modes sar system, environment disaster inspection and forecasting sar satellite etc. this dissertation first considers the geometry relations between spaceborne radar and the earth targets
該軟體已經在雙頻多極化多模式合成孔徑雷達、環境災害監測預報合成孔徑雷達小衛星等多個項目中得到了應用。The grafted membranes were capable of rejecting an anionic dyestuff. in common with other polyelectrolytes, the conformation of grafted ampsa polymeric chains is sensitive to environmental factors such as ph and ionic strength ( i )
聚丙烯酰胺基甲基丙磺酸為高分子電解質，接枝在膜表面后高分子鏈與溶質分子相互作用，可使接枝鏈構象發生變化，從而改變膜孔徑的大小，使膜具有環境響應。Based on the scalar diffraction theory and the boundary condition of rayleigh - sommerfeld, the accurate on - axis propagating wave function of plane wave diffracted by small circular band is obtained by solving the first integral of rayleigh - sommerfeld
摘要從標量衍射理論出發，採用瑞利索末菲衍射邊界條件，通過求解第一類瑞利索末菲衍射積分得到平面波經圓環衍射后軸上的波函數，進而分析軸上的光強特性以及光強極值數量、位置和大小與衍射圓環內外孔徑的關系。A solid - liquid fluidized bed has been designed and installed, which will be used in the heat exchanging and descale field. the experimental study for distributor design was carried out and the particles distribution in the tubes of the solid - liquid fluidized bed under different operating conditions was studied by using the ccd measure system. experimental results show that heterogeneous pores distributor which was arranged in the inlet chamber of the solid - liquid fluidized bed can improve the nonuniform distribution of particles in the pipe bundle under high flow rate. the nonuniform decreases by decreasing the mount of pore, but the solid holdup decreases too. the particles distribution is influenced by the position of the heterogeneous pores distributor
實驗結果表明：在液固循環流化床進口段安裝可調節高度的變孔徑分佈板，能在較高的流速下，較好的改善固體顆粒在管束中的不均勻分佈；開孔率越小固體顆粒在管束中的分佈越均勻，但管束中粒子的平均固含率也越小；分佈板的安裝高度對顆粒的分佈有很大的影響，在實驗范圍內分佈板的安裝距離管束入口處越遠，顆粒在管束中的分佈越均勻。Progress on testing large aspheric mirror with annular subaperture method
以環形子孔徑法檢測大口徑非球面主鏡的研究進展And programs for cross dipoles, ring aperture and y aperture are given because they are used widely in application. as for other typical and regular types, full domain basis functions are given and can be used to solve their frequency response by spectral method
本文給出了工程中應用較廣的十字形單元， 「 y 」形、 「環」形孔徑單元的分析程序；對于其它典型、規則的單元形式，則給出了其未知量的整域基函數表示形式，只需代入譜域方法求解即可。Synthetic aperture radar ( sar ) is an active microwave remote sensing imaging system, which is widely used in earth observation and military detection due to its quality of working all day, all weather and its penetration ability in certain frequency band
合成孔徑雷達（ sar ）是一種主動式成像雷達，由於它具有全天時、全天候的監測特性，並且在一定波段對植被、淺層土壤具有穿透能力，因此被廣泛應用於農林、地質、水文、海洋與環境監測、國防等領域。Calculating the average circular - capillary - equivalent pore diameter in filter media from measurements of porosity and permeability
用測量孔隙率和滲透率的方法計算過濾器介質平均循環毛細當量孔徑Synthetic aperture technology origins from radar field firstly. the main reasons for its unsuccessful application in sonar are the low sound speed ( compared with light ), irregular carrier movement and the complexity of underwater acoustic environment
合成孔徑原理最早來源於雷達領域，但它在水聲領域的應用遠不如在雷達領域應用得成功，其原因主要在於水中相對較低的聲傳播速度（相對于光波波速） 、聲吶載體的不規則運動和水聲環境復雜性的影響。分享友人