超空化流 的英文怎麼說
中文拼音 [chāokōnghuàliú]
超空化流
英文
supercavitating flow-
Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000
利用不同黏度煤油和真空泵油不同礦化度蒸餾水50mg l和150mg l的nacl溶液的流體對頁巖和具有明顯層理的砂巖進行飽和，在實驗室超聲頻率下研究樣品不同方向縱橫波速度以及各向異性參數Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性，在燃油霧化燃燒中逐步引起人們的重視，尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律，以便找到超聲霧化的一些規律，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。The operation measures for controlling over - filling ( over - emptying ) are feasible ; the hoisting loads of valve and miter gate are less than their design values respectively ; but, there exists cavitation phenomenon needed to pay attention to the first crossover culvert when the value is near and after whole opening
控制超灌（泄）操作方式可行；閥門、人字門啟閉力均小於設計值；閥門接近全開至全開后，輸水廊道第一分流口有空化現象。Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on
它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科；其內部的實際流動是復雜的三維流動過程，充滿著激波、膨脹波、燃燒波、各種渦系、附面層及其相互之間的干擾，因此，燃燒室問題是整個發動機研究的關鍵所在。We also investigated the pathological changes of mouse liver, thymus and cerebrum cortex challenged by so2 inhalation by in vivo tests. we studied the apoptotic induction on mouse spleen cells and cytotoxicity of human embryo lung fibroblasts of so2 derivatives by in vitro tests. in vivo tests of sulfur dioxide inhalation showed : ( 1 ) effects on mouse lung of so2 challenge : we found no significant apoptotic changes induced by so2 inhalation but obvious pathological changes of lung with vacuolating of osmiophilic multilamellar bodies which maybe related with the decrease of surfacant and decrease of microvillus of type ii alveolar cells ; we also found thickening of part of basement lamina between type i alveolar cells and capillary endothelium cells which may inhibit the dispersion of oxygen and contribute to lung dysfunction
二氧化硫熏氣染毒的體內實驗結果表明，在本次實驗的濃度范圍內（ 56mg m ~ 3 、 112mg m ~ 3 、 168mg m ~ 3低、中、高三個濃度） ： （ 1 ）通過透射電鏡、 dna凝膠電泳分析和流式細胞分析發現二氧化硫吸入染毒一周對小鼠肺臟沒有明顯的凋亡誘導作用，但通過透射電鏡觀察發現二氧化硫可引起肺臟明顯的超微結構改變，引起型肺泡上皮細胞板層體空泡化，微絨毛減少，線粒體緻密化或腫脹變性；肺泡血管內皮細胞和型肺泡上皮細胞之間基膜增厚，使氧氣彌散功能出現障礙，從而降低肺功能。Develop and manufacture large pumped storage units, large tubular turbine units, high - power super - critical thermal power unit, large air - cooled turbine generator, large cfb boilers, high - power nuclear steam turbine and generator, pressure shell of nuclear island, high - pressure evaporator and primary pump
開發生產大型抽水蓄能機組、大型貫流式機組、大功率超臨界火電機組、大型空冷汽輪發電機、大型循環硫化床鍋爐、大功率核電站汽輪機和發電機、核島設備壓力殼、高壓蒸發器和主泵等核電一級設備。Must check gas above all, must discharge by the regulation when gas is accumulative, answering only tasteful in gas chroma does not exceed 1, 0, carbon dioxide chroma does not exceed 1, 5, air composition accords with regulations when the 100th requirement, ability works
必須首先檢查瓦斯，當瓦斯積聚時必須按規定排放，只有在回風流中瓦斯濃度不超過1 、 0 ，二氧化碳濃度不超過1 、 5 ，空氣成分符合規程第一百條要求時，才能作業。Secondly, the transient characteristics of fn tunneling and hot hole ( hh ) stress induced leakage current ( silc ) in ultra - thin gate oxide are investigated respectively in this dissertation
其次，本文分別研究了fn隧穿應力和熱空穴（ hh ）應力導致的超薄柵氧化層漏電流瞬態特性。The products sell well throughout the country and have versatile applications in various industries, such as electronics, machinery, aerospace, pharmaceutical, logistics, storage supermarket, railway, food, petrochemical, auto and textile
公司產品行銷全國，廣泛應用於軍工企業、電子電器、機械製造、航天航空、醫藥衛生、物流配送、倉儲超市、鐵路、食品、石化、汽車、紡織等各行各業。The government website is a government network platform built by the government body employing modern information and telecom technology, through such a platform, the government administration and service are completed by net work technology, and with the help of www, the government structure and its working process are reorganized and improved, free from the confinements of time, space and department separations, thus make the government body can offer the best, normal, transparent administration and service which are also conformed to the international standard to the society totally
政府網站是在政府管理現代化理論和實踐中產生和發展起來的。政府網站就是政府機構應用現代信息和通信技術建成一個政府網路平臺，通過網路平臺把管理和服務通過網路技術進行集成，藉助網際網路實現政府組織結構和工作流程的優化和重組，超越時間、空間和部門分離的限制，全方位地向社會提供優質、規范、透明、符合國際水準地管理和服務。Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment
對于壓力差很大的兩股氣流，所形成的壓縮波系的結構可以增加燃氣駐留時間，提高燃燒穩定性;為了提高擴散燃燒的效率，在保證能放熱的化學反應溫度范圍之內，應適當提高燃氣及空氣的來流入口溫度;燃氣噴嘴應居於燃燒室軸線上，是改進超音速燃燒室結構的一種思路。For the strategic goals as mentioned above the author proposed a development strategy of 6 points i. e. : 1. exploit the specialty of zhugang ' s hot rolling tandem mill fully to produce marketable hot rolled coils with high added value ; 2. develop ultra thin product varieties to " replace cold rolled products by hot rolled one " and create new market for these hot rolled coils ; 3
為實現上述戰略目標，作者提出了珠鋼6項發展戰略：武漢理工大學碩士學位論文1 .充分發揮珠鋼熱連軋的專長，多生產銷售對路、附加值高的熱軋鑰卷: 2 .開發「以熱代冷」的超薄板品種，開拓熱軋鋼卷的新市場; 3 .建設具有「大酸洗、小冷軋」為特徵的冷軋鋼工程; 4 .為填補廣東省鋼材品種的空白，珠鋼冷軋生產應以多品種為己任; 5 .實施「一次總體規劃，分步建設實施」的滾動發展模式; 6 .提高企業物流管理水平，實現一體化的企業物流管理。Tft lcd not only has excellent performance of high brightness, high contrast, low consumption, long lifetime, small volume, light weight, but also has excellent performance as the same as that of crt, such as high automatic production, low cost materials, large development and etc. tft lcd has dominated the flat display market
Tftlcd是目前唯一在亮度、對比度、功耗、壽命、體積和重量等綜合性能上全面趕上和超過crt的顯示器，它性能優良、大規模生產特性好，自動化程度高，原材料成本低廉，發展空間廣闊，將迅速成為新世紀的主流顯示產品。The main work in this paper includes three parts : the theory research on partially - cavitating and super - cavitating axisymmetric bodies, the numerical computations and experimental investigations on partially - cavitation and super - cavitation on axisymmetric bodies. after finishing the study of theory and experiment on the partially - cavitation and super - cavitation for axisymmetric body, i use the potential flow theory to build the mathematical model on the partially - cavitation and super - cavitation for axisymmetric body. many cavity wake models, such as pressure recovery close model, riabouchinsky model and re - entrant jet model, are studied seriously
本文在深入研究了回轉體局部空化與超空化理論及實驗結果的基礎上，基於勢流理論，建立了回轉體局部空泡和超空泡流場的基本數學模型，通過對kinnas和fine 、 uhlman以及jiedang和gertkuiper等人基於二維水翼提出的壓力恢復閉合模型、鏡像板模型和回射流模型等空泡尾流模型進行了逐一的研究分析，發現其中的壓力恢復閉合模型較適用於模擬回轉體空泡尾部流場，並選用此空泡尾流模型作為求解回轉體空化流場正問題與逆問題的數學模型的組成部分。( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )
研究結果表明： （ 1 ）超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 2 ）修正後的霧化氣體速度公式可以滿足超音速霧化的要求； （ 3 ）影響超音速霧化工藝最根本的因素有氣液質量流率比（ gmr ）的大小、霧化氣體流量和倒渦流錐范圍，三個因素的值越大，對形成細粉越有利； （ 4 ）在焊錫合金為zhl63a ，霧化介質微n _ 2 ，導液管突出高度取h = 6 . 0mm ，霧化氣體壓力取p = 1 . 0mpa ，合金過熱度取t = 167 （ t = 350 ）時，所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。While the new components having the same numbers with these original physical vectors are introduced and the new components are combined with those original physical components to form a new symplectic space, the ray problem of wave propagation in geometrical optics is converted into the problem of lagrange submanifold in the symplectic space
通過引入波向量（慢度向量） ，將物理空間中幾何光學的射線問題轉化為辛空間中的lagrange子流形（超曲面）問題。On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models
論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域，在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上，概化了其水文地質條件，構建了相應的地下水資源評價概念模型與數學模型，並給出其數值解法和相應的計算流程；論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上，實現了基於gis的評價模型空間離散矩形網格的自動生成；最後，論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成，並將模型評價結果可視化。These studies have shown significant results : to protect wollastonite ' s crystal structure, we can forge and then cool it before fining ; adopting mechanochemical modification by jet mill, we can make wollasonite to fine and modification at the same time ; in order to understand thoroughly the major results achieved in enhancement of mechanical capabilities of the polypropyl ene filled with the modified wollastonite, this paper has researched deeply the interface mechanism through combining experiments and measure means with theory analysis, and tried to give a further explanation and demonstration about improving of the macroscopic mechanics performances of composite material and to offer a theoretical basis for improving material ' s mechanical properties
特別是採用粉碎前對硅灰石煅燒空冷處理的方式，獲得了超細化程度更高、長徑比更大的硅灰石；利用機械力化學改性及超音速氣流粉碎技術，使硅灰石粉碎?改性同時完成；應用現代測試手段，結合實驗對界面微觀形貌、結構及其機理進行研究，進一步解釋與論證了復合材料的宏觀力學性能，為改善復合材料的綜合性能提供了理論基礎。這些方面的研究在同類研究中具有一定的創新性。By using the simulation language open gl and programming environment vc + + 6. 0, the torpedo supercavitation simulation programis developed. with the program, we can study the supercaviting byvaring the value of the shape of the cavitato, the pressure and the mainstream velocity
應用模擬語言opengl和編程開發環境vc + + 6 . 0 ，初步開發了魚雷超空化模擬程序，本程序可以通過改變空化器形狀、壓力值、水流速度等參數來考察超空泡的形狀。Different from fabricating sbd with bulk semiconductor, thin semiconductor films were utilized as the active layer in order to minimize the series resistance. si epilayer with sub - micro thickness was deposited by ultra high vauum chemical vapor deposition ( uhv - cvd ). the sbd with rectifying performance was developed, using si epilayer as the active layer
利用我們自行研製的超高真空化學氣相沉積（ uhv - cvd ）技術外延了亞微米級的si薄膜，成功的製作了具有整流特性的高頻薄硅肖特基二極體的原型器件。分享友人