間隙空化 的英文怎麼說
中文拼音 [jiānxìkōnghuà]
間隙空化
英文
clearance cavitation- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 隙 : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間隙 : (空隙) interval; gap; freedom; space; [機械工程] clearance; separation; stricture; clear; inter...
- 空化 : cavitation空化機理 cavitation mechanism; 空化噪聲 [聲學] cavitation [aeration] noise; 空化作用 [化學] cavitation
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For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。The annihilation of the octahedron voids at the tips of fpds was divided two processes : ( 1 ) the oxide on the void was removed by the out - diffusion of oi in the shallow region, especially the oi aroud the void and by the entry of the interstitial si atomics. ( 2 ) the void without oxide shrinked by emitting vacances and the migration of silicon atoms from edge to the bottom of void
Fpds端部八面體空洞的消失分為兩個階段: (一)覆蓋在空洞各個內壁上的氧化膜由於高溫下矽片表面區域的間隙氧原子,尤其是空洞型缺陷周圍的間隙氧原子的外擴散及自間隙硅原子的進入,而逐漸變薄直至最終消失。 (二)無氧化膜的空洞,在高溫下發出一個個空位,同時八面體空洞周圍的自間隙硅原子不斷的從空洞的邊緣遷移至空洞的底部,使空洞逐漸變淺直至最後消失。The intense eluviation and weathering of soil with groundwater and run - off result in the enhancing of capacity of transference of some elements, such as si, al, fe, mn. the chemical reactions of the colloid particles in the soil water make those crannies or holes filled by some epigenetic clay minerals and quartz. then a great deal of white reticulate clay comes into being in the quaternary laterite of the dongting basin
地下水和地表水強烈的淋溶作用使土壤中硅鋁鐵錳等元素的遷移能力增強,土壤膠體粒子之間的化學反應,使得這些孔隙空間在後期逐漸被次生黏土礦物和石英所充填,最終,在洞庭盆地第四系紅土地層中形成大量的蠕蟲狀和根狀白色網紋。The silicon atom occupies the space opening ( interstice ) between the oxygen atoms and shares four valence electrons with the four oxygen atoms
硅原子占據了氧原子之間的空隙並且和四個氧原子共用化合價。Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc
交流無間隙金屬氧化物避雷器,適用於變壓器、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容器、旋轉電機等電壓保護。According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing
針對吸水變形、霉變主要發生在地板企口表面的特徵,採用企口表面全封閉法,在復合強化地板企口表面噴塗特殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一定深度,堵塞木纖維之間的空隙及毛細孔通道,截斷水分傳遞的渠道,並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附,同時其固化后能在企口表面形成一層緻密的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。The formation of crannies of the vermiculate reticulate clay results from the stratigraphical pressure and the seasonal fluctuating of the groundwater level. the formation of holes of the rhizomatic reticulate clay results from the decomposition of the botanic roots
蠕蟲狀網紋孔隙空間的產生是由於地層靜壓力和地下水位季節性變化造成的,而根狀網紋的孔隙空間則是植物根系腐爛分解后提供的。High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器,抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice
空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變,間隙上承受了非常高的電壓,這使得冰凌尖端的電場變得相當強,一旦電場達到了電暈的起始電場,局部放電就在這一區域發生,進而產生局部電弧並逐漸發展成整串的閃絡,泄漏電流迅速增大,同時伴隨著冰的融化。Based on can bus, this thesis develops an innovational air preheater leakage control system, with pcs structure to fulfil the optimal control over system structure and the multi - signals transfer
為了優化控制系統結構並解決系統中多種信號的傳遞問題,本課題以can總線為基礎,建立了fcs結構的新一代空氣預熱器密封間隙控制系統。To solve these problems respectively, the color space transformation and bp neural network are firstly used to realize the classification and threshold processing of images. then the images processing including thinning, interval linking, code word chaining, seed filling, boundary fitting is performed well by some methods in mathematical morphology and computer graphics and interpolation in numerical value analysis
為了逐一解決這些困難,運用了色彩空間變換以及bp神經元網路的方法對圖像進行分類和閾值處理,利用數學形態學和計算機圖形學以及數值分析中的插值等方法對圖像進行了細化、間隙連接、鏈碼、種子填充、邊界擬合等處理。High voltage shunt capacitor installation is comprised of capacitor cabinets or steel racks capacitor, spe - cial fuses for capacitor overload protection, capacitor discharge device, air - cored reactor which is applied to restrain surge current and high freq. harmonic, zno arrester without gaps for overvolage - limiting and high voltage vacuum switch etc. capacitor cabinet is made of highquality cold - rolling steel plate
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關等設備組成。The corresponding programs in matlab language were presented for various operating mode computations. thus, the excess pore - pressure and void ratio distribution along space - time could be derived. the degree of consolidation, which could be expressed by excess pore - pressure or deformation, was derived for various operating mode and its ’ characteristics along space - time showed rules of warping soil consolidation under osmotic pressure
應用matlab語言編制計算程序對各種工況的超孔隙水壓力消散、孔隙比隨時間和空間的變化進行了求解,對各種計算工況得到的以孔壓和變形表示的固結度的變化規律進行分析,說明滲壓體積力作用下淤填粘土的固結隨時間和空間的非線性分佈特性。The main results are : grinding is favorable to improve surface smooth degree, while nitrided and slow deposition makes sic granules fine ; the width of coatings gap increased in order of grinding, nitrided and vacuum heat treatment, but gap defects in multilayer coatings could be removed by slow deposition ; temperature of maximum weight loss could be decrease to 600 by grinding, vacuum heat treatment or slow deposition, but it will increased to 800 after nitrided ; oxidation kinetics curves all varied with the coating modifications
主要有:磨削改性有利於提高塗層表面平整度,氮化和慢沉積使塗層表面顆粒細化。塗層間隙寬度按磨削改性、高溫氮化、真空熱處理依次增大,而慢沉積可獲得無面缺陷的多層塗層。磨削改性、真空熱處理及慢沉積均使最大氧化失重溫度點提前至600 ,而高溫氮化則使最大失重點后移至800 。The paper analyzed sedimentary characteristics and depositional environment in t1f3 this region firstly, and on the grounds of establishing logical deposit pattern gave emphasis to make a study of distributing laws and spreading traits of the oolitic beach. because diagenesis is a vitally dominating factor that influenced oolitic beach reservoir nature in the region, the master diagenetic events of the reservoir in the lengthy geological history, as well as the influence to the pore abundance, was made a study of. the diagenetic stages and sequences were divided and the pore evolve pattern was established in the paper
本論文首先分析了研究區飛三段的沉積特徵與沉積環境,在合理建立沉積相模式的基礎上重點研究了鮞粒灘(壩)的分佈規律和空間展布特點;成巖作用是影響本區鮞灘儲集性至關重要的控制因素,論文詳細研究了儲層在漫長地質歷史過程中所經歷的主要成巖事件及其對孔隙發育的影響,劃分了成巖階段與成巖演化次序,建立了孔隙演化模式並以建南構造為例進行了成巖相展布研究的嘗試;最後還在鮞灘儲層基本特徵研究的基礎上對飛三段儲層進行綜合評價與預測。By applying related theory of gas discharge and mathematical statistics, this paper more in - depth and systemic study the influence of the length of air gap, ice state, water conductivity and air pressure on the inception corona and pulse discharge characteristics, included the discharge frequency, discharge amplitude and time interval
根據試驗結果,用氣體放電和數理統計方法,分析了覆冰水電導率、冰的狀態(乾冰和濕冰) 、空氣間隙長度、氣壓和施加電壓等參數的變化對間隙模型的起始放電電壓、脈沖放電特性、放電頻率、放電幅值和時間間隔等的影響。The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well
摘要對軸流轉槳式水輪機輪緣間隙流動及空化特性進行數值模擬和試驗研究,重點分析輪緣間隙流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦強度和空化特性,以及泄漏渦帶旋轉、二次流動的漩渦與空蝕和磨損之間的關系。Ultrasonic plastic welding theory is generated by the generator 20khz or 15khz pressure, high - frequency signals, the system can be adopted for the high - frequency signals into mechanical vibrations, and in plastic products working, through working surface and internal friction among elements spread by the department of the interface temperature, when the temperature reached the melting point of her own, that the working interface rapid melting, and then fill in the gaps between the interfaces when shock stop working at a certain pressure and cooling will be a perfect welding
的高壓高頻信號通過換能系統,把信號轉換為高頻機械振動,加於塑料製品工件上,通過工件表面及內在分子間的磨擦而使傳處到介面的溫度升高,當溫度達到此工件本身的熔點時,使工作介面迅速溶化,繼而填充于介面間的空隙,當震動停止,工件同時在一定的壓力下冷卻定形成完美的焊接.點擊數: 723錄入時間: 2006 - 5 - 14The hub leakage flows were modeled and calculated in two different ways : the flow fields inside hub axial gap were calculated together with blade passage flow in an integrated manner, and the leakage flows due to the hub axial gap were modeled as inlet boundary conditions
計算時分別採用了兩種模化途徑,即耦合求解轉子上游葉根間隙內空腔與轉子通道內的流場,以及求解將葉根同間隙模化為進口邊界的轉子流場。A mathematical model is developed for simulating transient performance of the turbofan engine, in which the transient heat transfer between the components and airflow, tip clearance and components efficiency changes caused by heat transfer are analyzed
摘要以某渦扇發動機的過渡態性能模擬為研究對象,建立了過渡過程中零部件與氣流之間的不穩定熱交換、由於熱交換引起的間隙變化以及引起的部件效率變化的數學模型,並且將此模型引入面向對象的航空渦扇發動機過渡過程性能模擬程序的框架中。分享友人