數量試驗模型 的英文怎麼說
中文拼音 [shǔliángshìyànmóxíng]
數量試驗模型
英文
scale experimental model- 數 : 數副詞(屢次) frequently; repeatedly
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 數量 : quantity; quantum; amount; magnitude; number
- 試驗 : trial; experiment; test
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
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The remote sensing quantitative retrieval model for the appraisable factors of desertification monitoring are founded. in naiman country, inner mongolia, the experimental area, the hyperspectral imaging spectrometer data in plant growth seasons are collected by state - produced airborne hyperspectral imaging spectrometer omis - i, and the etm + image is also obtained. meanwhile, ground investigation and measurement are made, which include the measurement on reflection feature of different kinds of geo - targets and the ground investigation data necessary for spectral rebuilding and retrieval models of the appraisable factors of desertification monitoring
本研究以內蒙古奈曼旗作為研究試驗區,採用我國自行研製的機載高光譜成像光譜儀omis - ,在植被生長季節取得高光譜解析度成像光譜儀數據和etm ~ +圖像,並進行了同步的地面調查及量測,包括不同類型地物反射特性量測和光譜重建以及荒漠化監測評價因子定量反演模型所必需的地面樣方調查數據。First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。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。This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux
本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調壓器和pcm調流器)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控制系統的實際情況出發,提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略,以實現氬氣流量的精確控制。The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation
確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑流試驗場長期的定位觀測為基礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究,確定了徑流和土壤水蝕的主要影響因子及其臨界值,建立了產流產沙的經驗模型。Rapeseed dynamics model of each individual organ partitioning indices with development process was established on the basis of a great amount of experimental data, in which these indices were regulated by the harvest index as genetic parameter
摘要在大量試驗資料的分析與處理的基礎上,建立了油菜一生中各器官干物質分配指數隨生育進程連續變化的動態模型。Likelihood ratio test and power analysis of repeated measures models
重復測量試驗模型參數似然比檢驗及其功效分析From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material
其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內試驗分析,結合國內外現在的有關科研成果,綜合確定其各項特徵參數;從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在凍土路基溫度場的保護和凍害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、凍結上限的影響,通過實測資料,研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤高度對保溫材料效果的影響。Conditions of normal mode realization are deduced and optimized model with the multivariate mode indicator function as the target function is built. through solving the maximal eigenvalue problem, the original shaker force vector of appropriation is reached. then the realization approach of the optimal shaker force vector based on single shape principle is proposed and at the same time the automatization of normal mode appropriation is realized
對于模態物理分離技術的多點正弦激振純模態試驗技術,尋求其最佳激振力矢量是最為關鍵的環節,本文先推導出純模態實現的條件,建立以多變量模態指示函數為目標函數的優化模型,通過求解最大特徵值問題,得出適調純模態的初始激振力矢量,再提出以單純形原理為基礎的最佳激振力矢量的實現方法,同時也實現了純模態適調過程的自動化。Based on the data obtained from the experiments on the soil with same structure under three cropping patterns, this paper makes a research into the numerical relation between the parameters of infiltration model and physical parameters of soil, and forms the statistic model about them, in order to produce a simple and easily used calculation method and a model for infiltration parameters and to provide the calculation parameters as required for the technical parameters of the water - saving irrigation
本文以榆次同一質地三種不同耕作方式下的土壤在自然條件下進行的大量試驗結果為依據,分析了土壤入滲模型參數與所獲得的土壤物理參數之間的定量關系,研究和建立土壤入滲模型參數與土壤物理性狀參數間的統計模型,為地面灌溉節水向深層次的發展提供簡單易行的土壤入滲參數確定方法和模型,為確定節水灌水技術參數提供所需的計算參數。Abstract : the end basket with a form of double layered conical weave net is simplified into a model of continuous conical shell - beam combined structure and in accordance with the test results of experimental modal analysis. a part of geometrical and material parameters of the conical shell in the model are identified to get an equivalent mechanical model which has the same dynamic characteristics as that of the prototype structure. by simulation and experiment, the effectiveness of the method offered is fully verified
文摘:將大型汽輪發電機定子端部的雙層圓錐型編織網殼簡化為連續錐殼-梁組合結構.根據實際結構的試驗模態分析所得到的模態參數識別模型中錐殼的部分幾何、彈性參數,獲得了與定端繞組實際結構具有相同動特性的當量力學模型.對實際機組的計算和實驗結果證明了本文中的方法是可行的Thirdly, to improve the application of light gauge steel structure in our country, some experimentations of institute of new - style steel structure which adopting native productions are induced nally, three - dimensional finite element model is presented. compared with the tests, mumerical results are verified much accurate and efficient, therefore a reliable way is provided to utilize the computational technique adequately to reduce the tests and to utilize the experimental results adequately to improve design quality, ( 3 ) study on floor system. not only adequate strength, stiffness and integer stabilization must be provided, but also insulation, fire and acoustics must be satified
本文首先論述了lgsfcbw各種破壞模式及其原因,總結了各因素對lgsfcbw抗剪性能的影響,從而為我國引進和應用輕鋼龍骨結構體系奠定了基礎;其次從試驗模型、試驗方法和試驗結果三方面探討了國外lgsfcbw抗震性能的研究,並分析該體系的破壞模式和抗震特性、提出研究建議;然後介紹了為推動輕鋼龍骨住宅國產化,我們採用國產材料開展的系列試驗;最後提出了lgsfcbw的有限單元分析法,數值計算與試驗結果一致,為充分利用計算技術減少試驗數量和充分利用試驗成果提高設計水平提供了一條可靠途徑。2 ) through many numeral experiment, using the crack face ' s slant angle and azimuth angle as parameters, we found some relations between three - dimension fractal parameters and two - dimension fractal parameters in rock mass : ds = ( 1. 0 + 0. 031 ) * dl + ( 1. 0 + 0. 0395 ), ns = nl, v = 1. 5986 * ( 2 - dl ) - 3. 2935 * sin ( st ) + 3. 8263, and found a way to speculate three - dimension fractal parameters from two - dimension fractal parameters. lt is the foundation to describe the distribution laws of crack face in rock mass by the observing results through rock mass section crack, 3 ) this paper constructed the three - dimensional fractal emulation theoretical system and erected three - dimensional fractal emulation model about crack face in rock mass 4 ) a emulation system about crack face in rock mass is developed by vc + +, it includes the function to get section plane chart and section block chart from three - dimensional network chart automatically, and some of the emulation examples is given
2 )通過大量數值試驗,以巖體裂縫面的傾角與方位角為紐帶,分析得出了巖體裂縫面數量三維分形分佈參數和巖體裂縫跡線二維分形分佈參數的關系: d _ s = ( 1 . 0 0 . 031 ) * d _ l + 1 . 0 0 . 0395 , n _ s = * n _ 1 , = 1 . 5986 * ( 2 - d _ l ) - 3 . 2935 * sin ( st ) + 3 . 8263並提出了由二維分形幾何參數來推導三維分形幾何參數的方法。為通過巖體剖面裂縫直接觀測結果,描述巖體裂縫面分佈規律奠定了基礎。 3 )本文構建了巖體裂縫面的三維模擬理論體系,建立了巖太原理二大學周眨d二研究生學位論文體裂縫面的三維分形模擬模型。By means of wave model experiments, measure the wave ' s reflection coefficients in front of breakwater, the pressure sizes and distributions inside of breakwater, and the wave weights behind breakwater
通過波浪模型試驗量測了模型樣本的堤前反射系數、堤心內的壓強大小及其分佈、堤后的透射波高。Look back generally to elaborate the development and present situation of the stress - strain model of soil. according to a great deal of data of the test and research of zipingpu reservoir concrete faced rockfill dam ' s material, suggest the more reasonable stress - strain - volume change equation to contain strain softening, dilatancy ( shrinkage ) of the no viscous moraine and gravel. suggest the method to gain the model ' s parameter
較全面回顧闡述了土體本構模型的發展和現狀,根據紫坪鋪面板堆石壩築壩料的大量試驗研究,提出相對合理的應力應變關系方程,以反映土體的應變軟化、剪脹性,並提出模型參數的求取方法,求取模型參數。For the quasi - newton type trust region method based on the conic model solving unconstrained optimization, horizon vector of the conic medel is proposed, the unique optimal parameter is determined and the numerical results are given in this paper
摘要對于求解無約束優化問題的錐模型擬牛頓型信賴域方法,本文主要討論了水平向量的選取及最優參數的確定,並給出了數值試驗結果。The relation between rheological breaking ratio and plastic work is set up according to the equation relation between outer plastic work and energy of plastic deformation. it is helpful to the understanding of elasto - plastic constitutive relationship of rockfill and braking of particles. based on analysis of test result, in - site observation data, this paper put forward a quantitative relation between rheology and valley shape, rockfill mechanical parameters, such as dry density, compressive modulus, softening factor, pore ratio, etc. the main factors influencing the rheological behavior of rockfill can be classified into inner factors and outer factors
堆石作為面板壩的主體,影響其流變的因素頗多且十分復雜,既有內因也有外因,根據試驗、原型觀測資料對內外因素所做的分析,本文提出了流變與河谷形狀等外因、流變與壩體常規物理力學指標等內因的定量關系和影響堆石流變的多因素綜合表達式,由此建立了堆石流變與堆石常規物理力學指標(如干密度、壓縮模量、軟化系數、孔隙比等等)之間的聯系。By introducing the single factor experiment model, considering the single tank ' s technique level and the firing score as variance factor and response variate, we analyze experiment data, calculate if the change of the factor influence the firing score, then we can conclude if there is some defference in technique level between each tank
通過引入統計學中的單因子試驗模型,把單坦克的技術狀況作為變動因子,把射擊成績作為響應變量,分析試驗數據,準確計算出因子的變動是否影響射擊成績,從而得出參加試驗各坦克在技術水平上是否存在差距。In this paper, both the motor - vehicles models and non - motor - vehicles models are studied. the applicability of non - motor - vehicles models are evaluated and compared with the field survey in three aspects : arrival of vehicles, discharge of vehicles and change of velocity. the applicability of non - motor - vehicles models are evaluated and compared with the field survey in four aspects : average queue, maximum queue, delay and volume
論文不僅從車輛到達、離散和速度變化規律三方面驗證了corsim和simtraffic模型中機動車行為在北京市信號交叉口的適用性,還採用實測數據模型標定模擬試驗模型驗證適用性結論這一技術路線,以平均排隊長度、最大排隊長度、延誤時間和通過的交通量為指標,通過多次模擬試驗深入研究corsim和simtraffic中行人、自行車模型在北京市交叉口的適用性。分享友人