孔型的進口 的英文怎麼說
中文拼音 [kǒngxíngdejìnkǒu]
孔型的進口
英文
entrance of pass-
Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed
基於這一模型進一步分析了噴射壓力、背壓和噴孔長徑比、噴孔入口圓角比、非軸對稱噴孔等幾何結構參數對噴孔內空穴分佈的影響。By inserting the barrel of an arruginated male key in the hole of an unstable female lock, obtaining a purchase on the bow of the key and turning its wards from right to left, withdrawing a bolt from its staple, pulling inward spasmodically an obsolescent unhinged door and revealing an aperture for free egress and free ingress
他將生銹粗澀的男性型鑰匙軸捅進反復無常的女性型鎖孔里，把勁頭使在鑰匙環上，自右至左地轉動鑰匙的凹，將鎖簧送回到鎖環里，痙攣般地把那扇鉸鏈都掉了的舊門朝裏面拽過來，露出可以任意出進的門口。Directed by new theories and approaches of sedimentology, diagenesis and reservoir evaluation, focused on marine clastic reservoir of donghe sandstone member, in tarim basin, strata and depositional system of donghe sandstone member are classified ; typical depositional facies types, depositional model and horizontal distribution have been studied through depositional facies analysis of 17 single wells, combined with seismic data. major diagenetic events, stages and " four history " collaboration have been systematically analysesed, furthermore, the relation between reservoir diagenesis and porosity evolution has been built ; thorough studies on reservoir lithology, physical property and pore structure, reservoir development related to depositional envoironment, diagenesis and tectonic has been discussed ; reservoir has been evaluated and predicted by five influential parameters drawn from the results of the study on depositional facies, diagenesis and reservoir characteristic. in the end, favourable reservoir body distribution has been pointed out
本論文以沉積學、沉積巖石學、沉積成巖作用與儲層地質學、儲層評價技術的新理論新方法為指導，以塔里木盆地巴楚組東河砂巖段海相碎屑巖儲層為主要研究對象，通過17口典型井的單井地層沉積相分析和成巖作用分析，結合地震資料，對東河砂巖段地層和沉積體系進行了詳細劃分，研究了東河砂巖段分佈區的典型沉積相類型、沉積模式及其平面展布特徵；系統分析了東河砂巖段碎屑巖儲層的主要成巖事件、成巖期次及其四史配置關系，指出了儲層成巖與孔隙演化的關系；深入研究了東河砂巖段碎屑巖儲層的巖石學特徵、物性分佈、孔隙結構等特徵，著重討論研究了沉積環境、成巖作用和構造作用對儲層發育的影響；運用「權重」評價法結合地層沉積相、成巖演化和儲層特徵研究的結果，選取了五個對儲層發育有重要影響的參數對儲層進行了整體的評價和預測，指出了塔里木盆地東河砂巖段儲層有利儲集體的分佈狀況。3. after studying deeply the multi - antenna sar mtdi based on displaced phase center antenna ( dpca ), a new double - antenna method is proposed which remedies the shortcomings of conventional ways. the method need n ' t meet the constraint condition that conventional ways must meet and can suppress ground clutter effectively and detect moving target
針對常規dpca方法的缺點創新性的提出了一種新的雙天線動目標檢測方法，建立了該方法的檢測模型並對該方法進行了有效的驗證，該方法不合成孔什雷達動口標檢測和成像研必滿足常規方法所必須滿足的限制條件就能夠進行動目標檢測，提高了dpca的實用價值。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio
研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用The main context of this paper is improving the precision of the disseminator. through analyzing the motion and construction parameter, making sure of the factor of working property, the motion equations of seed were established, and then the mathematical patter of main parameters were established. using of vb, we compiled procedure to simulate the motion of seed in the working process, finding the main factor that affect on the working property of the disseminator, then optimal designing of parameters of the device was laid
通過對排種輪的充種極限速度、清種始角、護種始角、排種器的投種口尺寸、型孔的尺寸等運動參數和結構參數進行分析，總體了解排種器結構參數和運動參數對其工作性能的影響，建立種子的運動方程，進而建立各主要參數（充種速度、清種角、護種角等）的數學模型，運用計算機輔助分析（ caa ）方法，通過visualbasic編製程序，對排種器工作過程中種子的運動進行動態模擬，找出影響排種器工作性能的主要因素，並對其參數進行優化，為合理地優化設計奠定了基礎。The sediment model tests for the desilting bottom intakes of two hydropower stations are introduced herein, in which a new combined type of " grid desilting gallery + desilting bottom intake " ( grid desilting bottom intake ) is put forward
文中介紹了2個電站進水口排沙底孔的泥沙模型試驗情況，提出了一種新的「格柵式排沙廊道排沙底孔」的組合型式（簡稱格柵式排沙底孔） ，取得了理想的排沙效果，較好地解決了工程實際問題。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。Till now we have owned a full set of glass processing line : from automatic glass tube cutting smoothing, supersonic notching, glass sanding to final shaping. also we have our own hand - blown workshop for lampshade and christmas colorful balls
裝飾。目前已擁有成套先進的玻璃加工設備，並形成了比較完善的工藝流程，從玻璃管自動切割與燒口，超聲波鉆孔，玻璃品成型，打砂蒙砂到冰花夢幻後期製作，加工工藝非常純熟。Firstly, for jet array impingement cooling, the effects of the distance of adjacent holes, the impinging distance and jet reynolds number on heat transfer characteristic at the target wall are summarized under staggered holes arrangement and the same hole diameter. and then, the numerical simulation of inclined multi - hole film cooling has been studied. the influence factors examined in this case include blowing ratio and the distance of adjacent holes
首先通過對射流沖擊冷卻方式的研究，分析了相鄰孔間距、沖擊間距以及射流入口雷諾數對沖擊靶面換熱系數的影響情況，然後對多斜孔冷卻方式進行了數值模擬，重點探討了吹風比和相鄰孔間距對絕熱溫比與壁面換熱系數的影響規律，最後，針對沖擊-發散復合冷卻流場的計算物理模型，研究吹風比、相鄰孔間距的變化對沖擊-發散復合冷卻流動與傳熱特性的影響。Under the guidance of new principles and methods of modern sedimentology, detrital petrography, reservoir geology, diagenesis, this thesis has carried out detailed study on paleogene formation correlation, sedimentary environment, characteristics of sedimentary facies and diagenesis of the eastern kuche depression, tarim basin, dina area being taken as the main target of the study. based on the core, geology logging, log and seismic data from 9 typical wells, combined with the data of the adjoining area, the dominant sedimentary types of the study area have been recognized and illustrated, such as fan - delta, lacus and normal delta. in terms of the analysis on the sedimentary facies of typical and connecting wells in different areas and facies belt, together with the paleogene tectonic evolution characteristics of foreland basin, the distribution and evolution of the sedimentary facies of the study area have been clearly discovered both vertically and laterally
通過對該區9口井的巖芯、錄井、測井、地震資料及鄰區資料的分析，識別並闡述了庫車坳陷東部下第三系的幾種主要的沉積相類型，如扇三角洲相、湖泊相和正常三角洲相；通過對不同地區、不同相帶典型井及連井的沉積相分析，結合前陸盆地在下第三系的構造演化特點，弄清了迪那地區下第三系沉積相的縱橫相發育展布和演化規律，並建立了沉積相模式；同時，初步開展了成巖作用、儲層孔隙演化和儲層發育模式的研究工作，科學合理地解釋了現今迪那地區下第三系儲產層主要發育在粉砂巖中的特殊現象，首次建立了下第三系儲層的發育演化模式，為庫車坳陷東部地區進一步尋找下第三系大儲量、高產油氣藏和有利的勘探區塊提供科學的、可靠的和最直接的地質依據。Furthermore, the aperture element model without thickness is present on the basis of the character of rcc dams and the symmetrical and anisotropic equivalental sequential model. the complicated seepage control measures of jiangkou dam foundation. the result indicates that improving drainage structure may successfully deal with the problem of the simulation qf dense drainage holes and the problem of seepage model of rcc dams are fundamentally solved
通過對江口壩基復雜滲控措施以及某碾壓混凝土壩層面的精確模擬，事實證明利用改進排水子結構技術可以成功解決壩基密集型排水孔的模擬問題，縫面平面單元的提出基本上已較完美地解決了碾壓混凝土壩的滲流建模問題。This model of valve overcomes such defects with the motor valve, piston - type electromagnetic valve as the post - wear defective closure due to the mechanical movement, the soft membrane full of elasticity, the balance hole can not close water because the foreign matters and mud sand accumulate and block it up etc., the highly effective use of the unique circuit greatly raises the reliability of the switch, extensively used for ic card watermeter, infrared induced sanitary utensils, etc
Fck - 118 ：進水口出水口為1寸25內螺紋該型閥克服了如電機閥活塞式電磁閥機械運動磨損后的關閉不良。軟性膜片富有彈性，平衡小孔不會因雜質與泥沙的淤積堵塞使其關不住水，獨特線圈磁路的高效利用大大提高了閥開關可靠性，廣泛用於ic卡水表紅外線感應潔具等自動控水系統。At present, company has two fabrication lines specially designed for welding h section, advanced cutting, welding, assembling, rectifying, digital controlled hole drilling machine, blasting and coating facilities, level ii steel structure design software x - steel ( originated from finland ) and pkpm
目前擁有焊接h型重鋼生產線兩條，擁有先進的切割、焊接、組立、矯正、數控制孔、拋丸、噴塗等設備；擁有先進的鋼結構二次設計專業軟體x - steel （芬蘭進口）和pkpm 。Moreover, the logging interpretation model of reservoir parameters is established based on the data of the 14 cored wells, and the various reservoir parameters are calculated based on the secondary digital process of log data of 388 wells within the area the petrophysical feature of reservoir rock, the distribution of reservoir parameters and reservoir heterogeneity, as well as their variability law during water injection, are defined quantitatively
以14口取心井資料為基礎，建立了參數解釋模型，並對全區388口井進行了測井資料二次數字處理，求取了各類儲層參數。對儲層的宏觀非均質性、微觀孔喉結構及滲流特徵進行了量化描述，並研究了注水開發過程中儲層物性參數的變化規律。This article is part of the study of national item which is important part of high arch - dam earthquake protection. in the result of studying the effect to earthquake, the article analysis dam - stress at diference earthquake wave, to procure design parameter on the gate & pier areas
本課題是「九?五」國家重點科技公關項目中有關高拱壩抗震分析的組成部分，是在有關研究成果的基礎上，對已確定的壩型及其壩體及附屬物（閘墩、孔口）進行動力分析，確定有關設計參數，同時也是對以往研究成果的校核。The proposed formula is in accordance with the old one, and the affect of nonlinear material properties of concrete and steel bars is considered by an adjusting coefficient. 6 ) based on theoretical and experimental research on material characters of steel fibered reinforced concrete, a finite element model for nonlinear analysis of steel fiber reinforced ( sfrc ) structures is presented. two - dimensional analysis on various sections of the orifice in the xiao wan arch dam is carried out
6 ）根據已有的鋼纖維混凝土基本理論和試驗研究成果，建立了鋼纖維混凝土（ sfrc ）的有限元模型，對小灣拱壩的1 ~ #底孔斷面進行了非線性分析，研究了大連理工大學博士學位論文採用不同厚度的鋼纖維混凝上增強層和不同摻量的鋼纖維對孔口抗裂、限裂性能的影響。分享友人