預初試驗 的英文怎麼說
中文拼音 [yùchūshìyàn]
預初試驗
英文
primary test-
This article introduces the features of the high - amperage prebaked aluminum cell at the initial production stage, and based on the results of successful experiments in some smelter, puts up the process parameters settings for the initial production startup stage of high - amperage prebaked cell to realize the high efficiency, energy saving, low consumption, environmental protection and long life of the cell
摘要文章介紹了大型預焙鋁電解槽生產初期的特點,根據在某鋁廠進行成功試驗的結果提出了在大型預焙電解槽生產啟動初期的工藝參數的設置,以達到電解槽高效、節能、低耗、環保、高槽壽命的目的。This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results
針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點,提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點,通過matlab模擬試驗,給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統,在保證系統實時性的同時,實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上,詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上,給出了連接漢語數碼語音識別的軟體設計各部分的流程圖,並對各部分進行了matlab模擬,並給出了模擬結果。The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces
應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。The wrf ( v1. 2 ) system is used to simulate the landing process of winnie in 1997, and results show that the track, landing time, and landing position of winnie calculated using the common land model ( clm ) and the initial field of 0800 bst on 18th august 1997 are closer to the reality ( fig. 4. 3 ) than those in the other 7 experiments, indicating the better forecast and simulation capability of the wrf model than the others
應用wrfv1 . 2版系統對1997年登陸臺風winnie進行了數值預報模擬研究,結果表明,用通用陸面模式( clm )對8月18日08時初始場計算得到的winnie移動路徑、登陸時間及地點(見圖4 . 3 )比其它七個試驗的計算結果更接近實際情況。表明wrf模式有較強的預報模擬能力。Preliminary test of medium - scale numerical weather forecast
中尺度數值天氣預報的初步試驗These stud " can be concluded as following : on the basis of the bhw - 35 steel p - s - n curve and its da ' dn growth law the method of low - cycle fatigue life evaluation of 401 t / h boiler was proposed. and a mechanics model was suggested for calculating the stress of internal pressure suffering elbow. with the elbow fatigue test, a method of evaluation the fatigue growth life of pressure suffering elbow is recommended ; and the elementary use of damage mechanics on the fatigue life evaluation of the boiler drum
本文創新點為:在bhw - 35鋼的p ? s ? n曲線及da / dn擴展規律的試驗研究基礎上,提出了410t / h鍋爐汽包的低周疲勞壽命分析與預測方法;建立了一種橢圓截面變厚度彎管承受內壓時的應力計算力學模型,通過壓力彎管的疲勞試驗,本文推薦其低周疲勞擴展壽命預測方法;將損傷力學應用到鍋爐汽包疲勞壽命預測做了初步的探索。The author suggests to set up two kinds of test site in earthquake prediction study
根據對地震前兆觀測項目預測效能初步研究,作者建議「十一五」期間應該建設兩種地震預測試驗場。The difference of initial prestress and force in the members between experiment results and numerical results is small
試驗模型的初始預應力分佈的試驗結果和理論值之間吻合程度良好。Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study
本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象,通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗,研究了土壤侵蝕對土壤碳和養分的影響途徑和表現,侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律;同時,在地理信息系統的支持下,建立了侵蝕條件下的土壤碳和養分變化模型,模擬了侵蝕對土壤碳和養分影響的空間過程,預測了侵蝕影響下土壤碳和養分的年變化及多年變化,並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。5. the special characteristics of the failure of stitched composite laminates and stitching foam - core sandwich were further studied based on the experimental results, and its mechanism is explroed
結合試驗觀察的結果,初步探討了縫紉層壓板和縫紉泡沫夾層結構的損傷破壞機理,為建立縫紉泡沫夾層結構的強度預測理論提供了分析和試驗基礎。Relying on the yearly scientific research item of the guangdong province department, the dissertation firstly analyses the mechanical and structural characteristics of sma mixture, moreover, gives an elaborate discourse on some issues in prevalent design method of sma and relevant tests such as the computing of the theoretical maximum density, evaluation of initial asphalt content in designing sma mixture and computing of rut index. at the same time suggestions for improvement are offered. subsequently, through research on asphalt and modified asphalt with ldpe test and by means of indoor test of sma mixture, the detailed analyses for the modified asphalt with ldpe and road performance of sma is discussed, finally, the applicable method and principal of sma mixture design in jiangsu province was recommended
本文以廣東省交通廳年度科研項目《 sma推廣應用研究》為依託,採用理論與實踐相結合的方法,首先從理論上分析了sma混合料的力學及結構特點,對現行的sma配合比設計以及試驗中最大理論密度的計算、初始瀝青用量預估和車轍指標等問題進行了較為詳盡的闡述與分析,並提出了相應的改進建議;然後再通過對瀝青與改性瀝青試驗、 sma混合料室內試驗等,對pe改性瀝青以及sma混合料的各項路用性能的試驗結果進行了較為細致的分析,最後提出了適合於廣東地區sma設計的方法原則。Based on rheologic and mutative mechanism of coal and gas outburst, this article discusses the forecast of outburst danger of in 7 ( superscript # ) coal heading face of jinjia mine by adopting coal and gas outburst volume dynamic index after blowing out. it determines the index critical value, and also presents the tentative testing result
摘要基於煤與瓦斯突出流變突變機理,探討了金佳礦7 (上標# )煤層掘進工作面採用放炮后落煤瓦斯湧出量動態指標預測突出危險性,確定了指標臨界值,並介紹了初步試驗效果。The primary experiment also proves that the design and research in the previous stage have achieved prospective object
初步試驗運行也表明,前一階段的設計研製達到了預期目標。In this paper, author compare with shenzhen holiday plaza project ( be known as firstly deepest foundation pit, deepest excavation depth is 21m ), use combinative method for theory guidance, test study, simulation analysis, project application and information feedback, entirely and deeply study prestress anchor cable composite soil nail, and also make a pilot study for deformation of pile anchor composite soil nail
本文以深圳假日廣場深基坑支護工程(號稱「深圳第一坑」 ,最深開挖21m )為背景,採用了理論指導、試驗研究、模擬分析、工程應用和信息反饋相結合的方法,對預應力錨索復合土釘支護結構進行了全面深入的研究,對樁錨式復合土釘支護結構的變形進行了初步研究。With a purpose to provide basic data or figures for the feasible research of a project construction and its planning, taking the practical project of preselecting a factory location for an instance, using the principle and method of shallow seismic reflection, based on the area conditions, differences in physical features and disturbance, with experiments on typical sections of the construction area, one can draw reasonable measuring lines, choose right modes of producing and receiving waves, conduct primary and precise computer data processing, acquire a distinct reflected wave section from a shallow depth and explore the stratum structure in the preselected location and the distribution of longitudinal waves
摘要結合某重大工程預選廠址項目的工程實例,利用淺層地震反射波法的原理和方法,根據現場的場地條件、物性差異和干擾情況等,結合典型地段的試驗,合理布置測線,選擇恰當的激發和接收方式,進行初步和精細的計算機資料處理,可以得到清晰的淺層反射剖面,準確地查明了預選廠址的地層結構和縱波速度分佈,為工程建設的可行性研究和規劃提供了基礎資料。After the software ’ s compiling and debuging, we build a simple applicative environment to test and verify its basic functions, accomplish the expecting objectives
在編譯調試通過后,構建了簡單的sip終端應用環境,初步測試驗證了協議棧的基本功能,達到了預期的研究目的。Preliminary studies suggest that this class of drug may prove useful in prevention and treatment of hape
初步試驗支持此類藥物用於預防與治療高山肺水腫。Pavlova viridis, isochrysis zhanjiangensis and isochrysis galbana 3011 were cryopreserved in liquid nitrogen using encapsulation - dehydration. algal cells in early stationary phase were encapsulated in 3 % ca - alginate beads with 30 nacl, 2 million cells in one bead. beads were desiccated with silica gel then directly immersed in liquid nitrogen. the cell viability after warming was evaluated by chlorophyll content. the main factors influencing the cell viability, such as water content of beads, dehydration rate, dehydration procedure, preculture and recovery methods after thawing were studied. the results are as follows : 1
本文以綠色巴夫藻( pavlovaviridis ) 、湛江等鞭金藻( isochrysiszhanjiangensis )和球等鞭金藻( isochrysisgalbana3011 )等三種餌料金藻為試驗材料,用包埋脫水法進行冰凍保存。選擇靜止初期的藻細胞包埋在含有30氯化鈉的3 %的褐藻酸鈣膠球中,細胞負載約200萬個細胞/膠球,經過硅膠吸濕法脫水后,探討了膠球含水量、脫水速率、脫水程序、預培養以及化凍后恢復方法對冰凍保存存活率的影響。To apply neural networks to the simulation of ship maneuvering motion, an nnrm ( neural network recursive model ) is designed and used to simulate a serial full - scale tests conducted in yangtze river and the comparison between simulated results and the measured ones is satisfactory. ship trajectory tracking is a well - known maneuvering problem with an increasing practical and theoretical interest. but the real - world tracking applications encounter a number of difficulties caused by the presence of different kinds of uncertainty due to the unknown or not precisely known system model and environmental effects
本文利用智能控制技術的優越性,嘗試將智能化控制技術用於船舶操縱運動模擬,初步探索了將現代控制理論和智能技術融入船舶操縱預報、模擬的研究方法,提出了用於船舶操縱運動模擬的線性神經網路( lnn ) 、神經網路遞推模型( nnrm )和nnrm 、交錯航跡距離( cte )和視距( los )混合控制器模型三種控制模型:並將控制模型的理論研究應用到實船試驗數據分析、計算,將模擬結果與實際的試驗結果作了比較。Machining deformation of aircraft monolithic component is simulated by finite element method ( fem ) and validated by experiment. the initial residual stress in pre - stretched plate is generated by simulating quenching and stretching processes. with a single tool - tooth milling process fem, the machining loads in monolithic component material removing is obtained. restart - calculation is put forward to complete the whole simulation of machining process. to verify the fem result, an experiment is carried out. the deformation distribution of the monolithic component resulting from fem shows a good agreement with the experiment result, which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation. lengthy and expensive trial and error experiment process can be avoided
在模擬淬火、拉伸過程獲得含有初始殘余應力的預拉伸板材以及模擬單齒切削過程獲得切削載荷的基礎上,提出並採用接力演算法,對一航空整體結構件的材料銑削過程進行有限元模擬,同時進行了試驗研究.結果表明,有限元模擬的整體結構件的變形與試驗具有一致性,從而證明提出的整體結構件加工模擬關鍵技術的可行性,避免了為研究加工變形而進行的繁瑣的試錯法分享友人