模孔直徑 的英文怎麼說
中文拼音 [mókǒngzhíjìng]
模孔直徑
英文
die throat diameter-
The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function
按「契合」的方式和採用裂紋切割技術構造出孔邊徑向界面裂紋對sh波散射的模型，利用green函數建立直接求解m型裂紋尖端動應力強度因子的定解積分方程組。Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理，從影響旋噴樁復合地基豎向承載力的因素入手，基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究，提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析，深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定，並提出相應的設計方法和修正參數;此外，結合工程應用，對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations
摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。The diamerter is even distributed and is much smaller than that of the holes. maybe there are several nanotubes grown from one hole. for two - step oxidation films, the diameter of the prepared nanotubes is the same as that of the holes
一次氧化的模板制備了直徑均勻的竹節狀碳納米管，但直徑徑遠遠小於模板孔的直徑，因此一個孔內可能長出數根碳管。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer
本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。These amorphous carbon tubes are totally different from those graphitized carbon nanotubes obtained through traditional methods. the simple and direct synthesis method is superior to the usual casting method by mesoporous silica materials
相對于利用中孔sio _ 2為模板合成的中孔碳材料，我們的合成方法更簡單直接，並且如此大孔徑的有序中孔碳材料也是首次報道。Of the currently available coolers for electronic products with a high heat flux, micro - jets impingement cooling heat sinks are able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference. the heat transfer for multiple jets impingement has been studied firstly for summarizing a few rules. and then a copper micro - jets impingement cooling heat sink consisting of five copper sheets is designed in this paper and the jet diameter is 0. 15mm
本文首先對陣列射流沖擊進行了實驗研究，總結了陣列射流沖擊的一些規律和特性，在此基礎上，根據數值模擬優化結果設計和製作了微射流陣列冷卻熱沉（射流孔直徑d = 0 . 15mm ） ，並採用去離子水和氮氣作為工質，對熱沉內流體壓降和傳熱特性進行了研究。A very small hole can be drilled in a diamond for use as a die in drawing very small-diameter wire.
可在金剛石上打出一個很小的孔，作為直徑極小的金屬絲的拉絲模具之用。( 2 ) uniform cdse nanowire arrays with controllable lengths have been fabricated by dc electrodeposition in the aao templates with ag as their conductive substrates from dmso system under different temperature. the nanowires with the diameters from 10nm to 50nm, and the lengths from 1 ( m to 20 ( m have been obtained
以銀作為導電基底的多孔陽極氧化鋁為模板，在dmso體系中，用恆流電沉積方法，于不同溫度下分別在直徑為10 ， 20 ， 50nm的aao模板中制備出了cdse納米線，並對它們進行了退火處理。Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine
文摘:根據建立的液相色譜普遍化速率模型，模擬了比渥數、數、傳質彼克列數、粒徑、進樣量和溶質分子直徑同多孔粒子孔徑比對紫杉醇色譜峰峰形和紫杉醇和三尖杉磷堿色譜分離度的影響，獲得了控制紫杉醇和三尖杉磷堿色譜過程的主要影響因素，從而為紫杉醇和三尖杉磷堿的色譜分離提供了更好的理論指導。Modelling and test study of the influence of the boring bar diameter on spiral ditch in deep - hole boring
深孔鏜削中鏜桿直徑對螺旋溝影響的模型和試驗研究In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。The cells and pores of porous anodized aluminum films are arranged in hexagons arrays ; and the cells sizes and diameters of the pores that are on the scale of nanometer have narrow distribution
納米氧化鋁模板中含有高度有序的納米孔陣列和晶胞陣列結構，並且孔的直徑和晶胞的尺寸在納米尺寸范圍內具有較窄的分佈。At the same time the number of holes for liquid flowing, gas flowing and blocked to the number of total holes was defined as liquid flowing ratio, gas flowing ratio and blocked ratio. the experiment was made with in - diameter 500mm column using water - air system, the ratio was first delected in detail by multi - path conductivity gauge for the compound tray with free area 20 % and 25 % respectively
採用多路電導測試儀，在直徑500mm的冷模塔內，以空氣-水為介質，首次較系統地測量了開孔率為20和25的復合塔板的通氣、通液和阻塞篩孔的數量比例，獲得了通氣率、通液率和阻塞率隨氣液變化的基本規律。Similar experiment of high - level large - diameter long - hole mining in the anqing copper mine
安慶銅礦高階段大直徑深孔采礦相似材料模擬實驗The residual strength of damaged composite laminates and their repaired structures are calculated, and the influence of the repair parameters is discussed by the finite element and program stated above. some useful conclusion can be drawn according to the curves, which show the influence of repair parameters to repair effect. for the laminate which contains a circle hole, the suggested patch shape is circle, the patch size is 2 to 3 times than the diameter of damaged hole, the patch thickness is equal to the parent laminate and the patch stacking sequence is the same as the parent laminate
用所建立的二維有限元模型和編寫的有限元程序計算損傷板及其修補結構的剩餘強度，並分析了修補參數對修補效果的影響；根據本文計算得到的修補參數對修補效果的影響曲線，可以得到如下結論： ?對于含孔復合材料層壓板，當圓形補片與母板鋪排順序相同、直徑為損傷孔直徑2 3倍、相對厚度為100時能夠獲得比較好的修補效果。Abstract : through the practice of vertical pressers in long sp an continuous box - girder and the research of two - way prestress model test, the construction technology about unbonded vertical prestress is proposed and applie d in hanjiang bridge in hanchuan. for the first time, it ? s first adopted in long span concrete bridge in our country and a lot of economic benefits are created b ecause of its advantages such as little drill way, rapid and imple construction, h igh quality and so on
文摘:通過漢川漢江公路大橋大跨徑連續箱梁豎向預應力施工實踐和雙向預應力模型梁試驗研究，在該橋施工中提出並應用了無粘結豎向預應力技術.這在國內大跨徑砼橋樑上尚屬首次全面採用，它具有孔道直徑小，施工簡便快速，質量易於保證等優點，為全橋預應力施工創造了較為顯著的社會經濟效益Mode field diameter measurement - variable aperture method in the farfield
模場直徑測量.遠場可變孔徑法According to the rheological properties of melted abs filament during extrusion from fdm ' s nozzle, on the basis of research on extruded filament section shape, the compensation model of ideal contour line is established, and a new technique for compensating inner or outer contour line of workpiece is put forward, which should depend on the real width of extruded filament ( instead of nozzle radius ) and the real dimensional shrinkage of workpiece
根據abs絲從噴頭擠出過程中的流變性能，在研究fdm工藝噴頭擠出絲截面形狀的基礎上，建立了理想輪廓線的補償模型，並提出了根據擠出絲實際寬度（而非噴嘴孔直徑）和零件尺寸實際收縮量補償零件內、外輪廓的新方法，驗證試驗結果表明該補償模型和補償方法正確可行。分享友人