表面參數 的英文怎麼說
中文拼音 [biǎomiànshēnshǔ]
表面參數
英文
surface parameters-
Quark and antiquark jets are identified from the 2 - jet events in e + e ~ collisions at 91. 2gev by checking them at parton level
結果表明，噴注內部的動力學起伏的各向異性隨著截斷參數y _ cut的變化面明顯地改變We designed concise web file system, and the interface between embedded node controller and remote browser using cgi technology. so the work of updating system parameter and gathering bottom data with html form can be done breezily
設計了簡潔的網路文件系統，採用cgi技術實現了嵌入式節點控制器與遠程瀏覽器之間的介面，在瀏覽器下使用html表單可以遠程修改系統參數，實時採集底層數據。Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points
本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準，根據點的法向量以及其鄰域結點的各種屬性，對應于平面、球面、柱面等二次曲面，依據曲面方程的特點，從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點，實現了散亂數據點的自動分類。It compute the parameter of deflexion caused by thermal distortion in orbit, deduce the general expression for spreading beam after thermal distortion of reflector and the center deflexion of facula received in ccd. with the method of fixing etc, it put forward the restrain measures adopted accordingly
計算了在軌運行條件下反射鏡面熱變形引起的表面法向偏轉參數，推導了鏡面變形后出射光線的通用表達式以及鏡面變形前後在ccd探測器上的接收光斑中心偏轉量的計算表達式。Based on the comprehensive estimating method of the final drive, the analysis method is proposed to focus on analyzing one of the important testing targets ? the meshing states of the spiral bevel gears and differential gears of the final drive when they are working under the imitating conditions
本文主要對汽車后橋主減速器殼表面的振動信號進行分析。這是在主減速器綜合評價方法的基礎上，針對其中一項重要的試驗參數? ?主減速器齒輪的嚙合狀況，而提出的分析方法。Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation
眾所周知，一般的反問題和混合問題的最大特點，是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下，直接得到葉片的幾何形狀，它可以使葉型型面與表面氣流參數有機結起來；其不足之處在於，對設計者而言，很難給定理想的葉片表面壓力分佈或速度分佈，並且有時會得到一個非物理解，如：得出的初始葉型可能會出現前緣、尾緣不封閉的現象。The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l
快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium
測定結果表明，這幾組體系均為簡單低共熔體系；同時利用差熱掃描量熱法（ dsc ）對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上，通過改進單參數margules方程並引入新的變量溫度，達到了將此方程用於固液平衡計算的目的。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。On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。The extracted height - height correlation function and the random surface parameters obtained ever since conform with those obtained by the measurement of afm in chaper 3, based on the light scattering theory of kirchoff approximation, we propose the method for the extraction of surfaces parameters from the correlation functions of speckles intensity produced by light scattering in the region near the random surfaces
我們以對三個高斯相關的隨機表面樣品的實驗測量為例，對該方法行了驗證。所測得的結果與用原子力顯微鏡測量的結果符合得很好。第三章根據基爾霍夫近似下的光散射理論，提出了從隨機表面附近衍射區內的散斑場相關函數中提取隨機表面參量的方法。When combined method is applied, damaged area develops from down stream to up - stream, besides, controlling effect of discontinuous joints is shown. at normal storage water level, the combined safety factors are 4. 05 and 3. 75 for 9b and 4b respectively
結果表明，超載法時，破壞區從上游向下游發展，且破壞前鋒一直沿建基面附近；綜合法時，破壞區從下游向上游發展，並表現出裂隙結構面參數的控製作用。The accuracy of sar interferometry is effected by sar system, geophysical parameters, e. g. earth surface condition and instable atmosphere
Sar干涉測量的精度，不僅與sar傳感器系統、地球環境（如地球表面參數、大氣參數等）有關，干涉數據處理演算法也是很關鍵的因素。Based on the hybrid / mixed element method of piezoelectric laminated, a piezoelectric multilayer element is developed, in the piezoelectric multilayer element, the continuity of transverse stresses of at interfaces between layers is naturally ensured. 3. by the use of iso - function method, stress modes of 8 - node three - dimensional solid element made of on - axis orthotropic material are derived
依據一般層合板雜交元理論知識，提出一個壓電層合板多層單元，利用壓電層合板子層間的表面參數，使壓電層合板的層間應力的連續性得到自然滿足，並對壓電層合板進行雜交元列式。Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces
表面結構的測量與特徵描述是精密計量技術的一個重要方面，傳統上包括將輪廓情況根據不同的波長范圍劃分為粗糙度、波紋度和形狀及后續的數字量化.按算得的參數檢查它是否為公差允許，以保證零件執行其指定的功能.當技術特性已經經過仔細確定，並且其過程穩定時，該方法是令人滿意的;但是，當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時，就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺度到傳統的微米尺度的較大帶寬范圍內的表面特徵描述都是有效的By least - squares fit of the measured data of speckle correlation function to the obtained quantitative expression, parameters of random surfaces can be extracted
採用最小方差擬合的方法，將散斑相關函數的測量結果與所得到的表達式進行擬合，可以提取出隨機表面參量。Include a good mix of management performance indicators e. g. indicators on environmental policy implementation and awareness raising, operational performance indicators i. e. indicators on environmental consumption and waste generation levels arising from your operations and environmental condition indicators i. e. indicators on the resultant environmental condition given the impact influence of your operations
列述多方面的管理表現參數如推行環境方針及加強環保意識的參數營運表現參數如環境耗損及營運產生廢物的參數及環境情況參數如營運的後果影響所造成的環境情況參數The extracted values of 3 surface parameters i. e., the roughness w, lateral correlation length, and roughness exponent a are in good accordance with the set values
所得到三個表面參量粗糙度w ，橫向相關長度和粗糙度指數的值與所設定的值符合得較好。分享友人