擬重入 的英文怎麼說
中文拼音 [nǐzhòngrù]
擬重入
英文
quasi reentrant-
The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators
本文重點是對蒸發器建立動態模擬模型，並對製冷劑側和空氣側參數進行穩態和動態模擬，同時對蒸發器在不同蒸發溫度下的製冷量進行了動態模擬，而且對影響蒸發器性能的主要參數（空氣側入口風速、入口含濕量等）進行了分析和計算。Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate. on the other hand, natural weight is introduced and numerical simulations and experiments of wlm on inversion of velocity and attenuation are also made, which show that wlm, with resistance of noises and convergence of iteration, may get good re - construction images
本文引入了物理意義明確的自然權，對基於自然權的加權阻尼最小二乘反演演算法（ wlm ）在速度反演、衰減反演中進行了數值模擬和試驗研究，結果表明wlm均能獲得良好的重建圖像，迭代收斂，抗噪能力強。The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore
第一章回顧了孔結構在當今國內外的研究現狀，包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀，介紹了孔結構研究方面的一些最重要的成果；第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理，並討論了水泥基多孔材料孔隙分析中常用的表徵參數，也說明了壓汞法測孔對研究結果的影響因素，指出了壓汞法在孔結構研究中的局限性；第三章是著重分析了孔隙率與強度關系模型的發展歷程，並對已有的模型進行了比較分析，指出了原有模型的不足之處；第四章在「綜合集成」的基礎上，提出了混凝土孔結構復合體模型和孔系統的物理模型，並模擬了該模型下由各單體並聯形成的復合體的斷裂過程，最後根據所建模型編制了相應的計算程序，可根據輸入的孔徑分佈與水泥含量等參數，實現混凝土理論強度的計算；第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析，根據回歸分析的方法得到了反映基體強度特徵的k值，並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響，檢驗模型的正確性；第六章是結論與展望，根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。For this reason, it ' s very important for marine simulator to join tugboat scene to the scene system
因此，在航海模擬器視景系統中加入拖輪視景的顯示模塊，也就有著十分重要的意義。A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation
該方案以pc機和dsp系統為核心構成主從機系統框架，以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙重軟體結構，把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合，從而滿足了自動化探傷中1k / s的重復頻率和實時報警的要求。The improved scheme can ensure the south branch to be open to navigation and the flow here not to be broken in low water seasons, and it will have active effect on protecting the south branch and fuyuan town. this study is an attempt of applying three - dimensional mathematical model in analogue calculation and analysis of flow, sediment and riverbed movements in a long river reach. it is very important for the future thorough research, and has great significance for promoting the application of the three - dimensional model to resolve
本研究是三維數學模型對較長河段水流、泥沙、河床運動模擬計算分析的一次嘗試，其對今後進一步深入研究和應用三維模型解決工程實際問題，完善模擬方法、提高模擬水平，真正發揮數學模型其省時、省力、靈活方便和模擬細膩等在研究水沙運動規律和河床變形等方面研究中優勢具有重要的意義。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。They are experiment b in which a a bogused vortex with tilted vertical structure is planted and the terrain of zhoushan archipelago exists, experiment bt in which a a bogused vortex with right vertical structure is planted and the terrain of zhoushan archipelago exists, experiment nb in which a a bogused vortex with tilted vertical structure isn " t planted and the terrain of zhoushan archipelago exists, experiment bnz in which a a bogused vortex with tilted vertical structure is planted and the terrain of zhoushan archipelago is removed, experiment blz in which a a bogused vortex with tilted vertical structure is planted and the heights of terrain of zhoushan archipelago are doubled, experiment bmz in which a a bogused vortex with tilted vertical structure is planted and main islands of zhoushan archipelago are set as a part of mainland
本文應用三重嵌套網格區域的非靜力mm5模式模擬了其生命後期，沿30 n一帶西行登陸的過程，並就熱帶氣旋的bogusing問題、熱帶氣旋登陸過程中的結構演變和舟山群島地形對熱帶氣旋的影響進行了探討，並通過一系列的敏感試驗來確定小型島嶼地形的作用。本文採用了六個試驗方案： （ 1 ）試驗b ，有舟山群島的地形，且加入傾斜垂直結構人造熱帶氣旋的試驗方案。 （ 2 ）試驗bt ，有舟山群島的地形，且加入正壓垂直結構人造熱帶氣旋的試驗方案。We investigate finer time scale statistical properties of this traffic, including burstiness, periodicity, and synchronization. utilizing the data gathered by our simulator, we compared the results with our prediction, after that, we investigated the root cause of a specific networking traffic pattern, under various network configuration and policies. the importance of our work is not only analyzing the cause of each traffic pattern, but also providing a beneficial formal method for future research
在實驗結果的分析過程中，我們根據當前流行的網路拓撲建立了模擬路由試驗環境，特別針對lsa的突發性、周期性和同步流量的時域特徵進行了觀察，不僅探究了三種重要lsa流量的發生機理以及這些流量的變化對整體路由效率的影響，比對了我們的預測與最終的實驗結果，深入研究了統計圖表裡各種異常情況的成因和路由協議採用不同演算法和策略以後對整體路由環境的影響。To get in vivo evidences that apoplast calmodulin con 1d regulate plant growth and development process, a chimeric secretion form of calmodulin binding peptide, which contains a signal peptide, a calmodulin binding domain and a c - myc epitope was constructed. the chimeric gene was introduced into arabidopsis. it was expected that the overexpression of this chimeric protein could be secreted into cell wall and bound to apoplast calmodulin, which could reduce the apoplast calmoduin concentration to make an apoplast camodulin " antisense " plant. by observing the potential phenotype change of apoplast calmodulin " antisense " plant, the in vivo function of apoplast calmodulin on plant growth and developmental process could be speculated
但這些多是採用生理學手段和藥理學方法而得出的體外（ invitro ）實驗結果，為了取得質外體cam在植物生長發育過程中發揮重要作用的invivo實驗證據，根據動物中的一些研究方法，本實驗設計並構建了帶有信號肽、 cam結合肽（ can小肽） 、 epitope （ c - myc ）融合基因的載體，並將融合基因通過真空滲入法轉入擬南芥，預期過表達的融合蛋白將會被分泌到細胞外並與質外體cam相結合，這樣就會抑制質外體cam的功能，從而可以構建質外體cam的「反義」植株，通過觀察質外體cam 「反義植株」的表型改變，就可以推斷質外體cam在植物生長發育過程中的功能。In this paper, the sensibility analysis of the factors affecting the temperature in well bore is relatively systematically made by using a large number of the data calculated with the borehole flow and heat transfer 3 ? d numerical model proposed by the author. the study shows that the thermophysical parameters of the drilling fluid and formation, etc. and the entrance temperature and circulating capacity, etc. of drilling fluid have a greater influence on the temperature in well bore. therefore, accurately mastering the thermophysical parameter values of penetrated formation and drilling fluid in well bore, considering the influence of the temperature and pressure on thermophysical parameters and accurately measuring such parameters as entrance temperature and discharge capacity of drilling fluid, etc. are of utmost importance for accurately simulating the temperature in well bore
利用由作者提出的井內流動和傳熱的三維數值模型計算所得的大量數據，文章對影響井內溫度的諸多因素進行了較系統的敏感性分析，研究表明：鉆井液和地層等的熱物理參數以及鉆井液的入口溫度、循環排量等對井內溫度有較大影響，因此，準確掌握所鉆地區地層和井內鉆井液的熱物理參數值，考慮溫度壓力對熱物理參數的影響，準確測量鉆井液的入口溫度、排量等參數值，對于井內溫度的準確模擬至關重要。The emphasis in this composition is windshear signal processing technology. some processing methods are introduced in detail, they are suppressing clutter, extracting windshear parameters, computing hazard factor and etc. the signal processing simulation is accomplished on computer, it includes simulating microburst echo signal, simulating ground clutter echo signal, filtering clutter, estimating wind speed and calculating hazard factor. from the simulated results, a dangerous windshear is detected 5o ~ 78s, so the radar performance meets the certification requirements proposed by faa and nasa
本文重點研討了風切變信號處理技術，對雜波抑制技術、風切變特徵參數提取技術及危險因子計算方法等內容進行了深入的研究，並進行了計算機模擬，包括微下擊暴流回波信號模擬、地雜波回波信號模擬、雜波抑制、風速提取和危險因子計算。Abstract : the continually increase in digitized information resour ces such as disc publications and on - line databases, which put forward new task s for the collection construction of library, requires that the libraries of coll eges and universities shoud reestablish the new purchase criteria for the collec tion of library and incerase the devoted proportion of the digitized information resources. directed by the new purchase criteria, the libraries should optimize t heir local collection and take full advantage of the virtual collection in compu ter network and collect and manage more efficiently the importand collection re sources in network era, network addresses and digitized publications
文摘:光盤出版物、聯機數據庫等數字化信息資源的不斷增長，給圖書館的館藏建設提出了新的任務.這就要求高校圖書館必須重新制定館藏采購標準，適當加大數字化信息資源的投入比例，並在新的采購標準指導下，不斷優化本地館藏，充分利用計算機網路上的虛擬館藏，同時做好網路時代圖書館的重要館藏資源? ?網址及數字化出版物的收集與管理工作Simulation and modeling of self - modulated re - entrant beam crossed - field amplifier
自調制重入式正交場放大器的模擬設計Further, to avoid serialization problems, the file system is not responsible for serializing this access - the paging file belongs to the vm system, and the vm system is responsible for serializing access to this file ( this eliminates some of the re - entrant locking problems that occur with general file access )
進一步，為了避免串列化問題，文件系統不負責將訪問串列化頁面調度文件屬于虛擬內存系統，而虛擬內存系統負責把對這個文件的訪問串列化（這消除了出現在常規文件訪問中的重入鎖定問題） 。Simulation based sensitivity analysis of re - entrant queuing networks
基於模擬的可重入排隊網路靈敏度分析Aiming at the medium thickness slab caster in anshan isco, numerical simulations concerning fluid flow and free surface wave process of liquid steel in mold were conducted by using the cfx4. 4, a commercial software package for fluid flow analysis, in which the metallurgical functions of a submerged nozzle, specially the submerged nozzle with three holes, were investigated emphatically
摘要以鞍鋼中薄板坯連鑄機為對象，在商業軟體cfx4 . 4的平臺上對結晶器內鋼水流動和液面波動過程進行了數值模擬，重點研究了其所獨有的3孔浸入式水口的冶金功能。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。Through using the data of numerical simulation by mm5 model, and introducing density temperature, cape ' s calculation accroding to the reversible saturated moist adiabatic process which correspond with the actual atmosphere course more was emphatically discussed. thirdly, based on this, the dcape is introduced farther. dcape has close relationship with convective downdraft and convective storms developme nt. fourthly, the using of hourly model - generated soundings is introduced in this paper
本文通過對2003年7月4日南京站的大暴雨過程的mm5數值模擬，引入密度溫度t _ ，重點討論了根據大氣可逆飽和濕絕熱過程進行cape的過程。第三步，在cape模式資料實現的基礎上，進一步討論新近提出的與對流風暴發展密切相關的下沉對流有效位能。分享友人