有效板數 的英文怎麼說
中文拼音 [yǒuxiàobǎnshǔ]
有效板數
英文
effective plate number- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 板 : Ⅰ名詞1 (片狀硬物體) board; plank; plate 2 (專指店鋪的門板) shutter 3 [音樂] (打拍子的樂器) ...
- 數 : 數副詞(屢次) frequently; repeatedly
- 有效 : effective; valid; efficacious
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By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並對氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變氣體的氣路是非常有效的,模擬值與實驗值基本得到吻合。On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification
本文對此內容進行了較為深入的研究,考慮了多個參數的影響,對各種應力比作用下的楔形腹板的屈曲及屈曲后強度進行了計算分析,得出了考慮翼緣相關作用的楔形腹板屈曲系數及有效寬度系數的計算公式,以期為規范的修訂提供參考。This article is divided into four parts : part one emphasizes the common theory that corporate governance structure figures out the agent problems caused by the separation of ownership and control power, and sets forth correlative research done by domestic and foreign scholars from the relationship between centralization degree of ownership and performance, the relationship between incentive of senior managers and performance, and the relationship between board and performance. and puts forward some deficiencies in domestic research, for example, the select of performance is bald ; most research methods are cross section analysis, there is little research basing on both time serial and cross section datum ; and there is little research have the inside and outside corporate governance factors in the selection of corporate governance structure indexes
描述性分析介紹了我國上市公司治理結構的現狀;通過公司治理變量的線性組合,採用主元分析法來構造反映公司治理水平的指標z ,並由此z指標回歸經營績效指標得出公司經營績效與公司治理的整體效果有相同方向變化的結論;變量之間的相關關系揭示了這些變量之間關系的合理信息;面板數據結果顯示:第一大股東持股比例、國有控股虛擬變量與經營績效負相關;第二至第十大股東股權集中度、董事會持股比例和總經理持股比例與經營績效正相關。Based on a general overview of firm performance assessment theories, this study makes a comparison between traditional performance measures and strategy - oriented performance measures, analyzes the existing performance measurement system of the national aviation oil companies. the thesis has a literature review of the balanced scorecard researches and applications, expounds the advantages of the balanced scorecard over traditional measurement systems in revealing the intension of firm performance, analyzing the critical factors behind firm performance and providing information support for firm strategy, documents the relationship between the balanced scorecard and firm strategy, and puts forward the idea of strategic performance. by using the data and background information from one of those national monopoly oil companies, this study a ppraises the limits of this sort of companies " performance measurement system, applies balanced scorecard method to this kind of national monopoly oil company, designs questionnaires to collect experts " opinions, colligates the opinions, selects kpis, builds experimentally the first strategy performance assessment indicator system in this kind of company, determines the indicators " parameters, uses the real corresponding data to measure the 6 business lines of this company, through comparing the assessment result with the strategic standard, a conclusion is drawn and suggestions are put forward about how to exploit the performance potential under present conditions
在對績效測評理論進行回顧的基礎上,本文研究了傳統測評指標體系與戰略導向的測評指標體系的區別,總結了中國航空油品經營企業的績效測評現狀,對平衡計分卡理論研究和應用進行了綜述,分析了平衡計分卡在揭示績效內涵和影響績效的因素、發揮績效測評的信息作用等方面的優勢,論述了平衡計分卡與企業戰略的關系,提出了戰略績效的概念,並結合某壟斷性油品經營國有企業的實際,評述了此類企業傳統績效測評指標的局限性,借鑒平衡計分卡思路,通過設計調查問卷、收集專家意見並加以綜合分析等工作,選取關鍵績效指標,探索性地建立了中國壟斷性航油經營國企的首個企業戰略績效測評指標體系,並確定了指標有關參數,對應指標的統計口徑採用經調查獲得的測評所需數據,對該企業6個業務板塊的績效進行測評,通過對比分析得出在現有條件下如何挖掘潛力的結論和建議。Nasdaq lays much emphasis on self - supervision with multi - level markets, where enterprises can, in accordance with their own conditions, choose to list on national ones or small ones. it lays down various quantity standards and uniform non - quantity standard and sets down precise information - publicizing system under the " three open " principle. hong kong gem is beginning the practice of self - supervision
納斯達克市場強調自律監管,設立多層次市場,企業可以根據自身的條件選擇在全國市場或小型資本市場上市,規定了退市的不同的數量標準和統一的非數量標準,在「三公」原則的指導下制定了詳細周密的信息披露制度;香港創業板市場正在向自律監管過渡,設立單一市場,退市的數量標準和非數量標準缺乏彈性,強調信息披露有效、即時與充分。Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up
首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle , 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got
對雙金屬復合板成型過程進行模擬,從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律,復合后的齒形的變形情況與初始齒形形成對比,以動畫的方式模擬成型過程,並分析了不同幾何參數(主要是不同的齒型,其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型) 、材料參數、工藝參數對復合強度的影響,以及不同齒型的變形對比以及齒型對復合情況的影響,提出最優齒型、最優工藝參數,有效地指導了實驗。Shutter is one kind of inlets used widely in natural ventilation, therefore, the study for shutters may be a breakthrough for using natural ventilation more effectively. firstly, this paper will study the performance of shutters in single side by cfd. secondly, we will work at hoods with shutters in four sides
百葉風口是自然通風中使用最廣泛的風口,因而對于百葉風口的研究則有可能成為更為有效合理利用自然通風的突破點,本文將利用數值模擬首先對單側百葉風口的性能進行研究,在此基礎上,本文對實際中應用比較廣泛的四面百葉型風帽進行了研究,並對單側百葉風口的擋雨板的合理設計方法做初步探討。The reduction factors derived from curve fitting based on calculation results by the finite element program ( ansys ) considering all kinds of damages such as cutouts, corrosion, cracks, denting, initial deflection and residual stress are introduced to modify the effective width of perfect panel in the present paper
本文考慮板中可能存在孔洞、腐蝕、裂縫、局部撞損和初始焊接變形或殘余應力等損傷和初始缺陷,對不同的損傷形式用有限元程序( ansys )進行大量的計算,通過曲線擬合的方法引入折減系數對完好板格的有效寬度進行修正。Number of effective plate
有效板數Based on the method of cell ( moc ), the effective elastic properties of resined fiber bundle with parallel or arbitrary orientation was studied, and a micro - mechanical model of resined plain - woven carbon fabric was established with the classical laminate theory, then, the method of calculation of the elastic moduli of resined plain - weave carbon fabric was presented, and can be extended to the whole carbon / phenolic composite
基於元胞法( moc )計算了預浸樹脂的平直以及任意取向的纖維束的有效彈性常數。基於經典層板理論用替代層法建立了預浸樹脂平紋機織碳布的細觀力學模型,進而給出了預浸氨酚醛樹脂的平紋機織碳布的彈性模量的計算方法,該方法可推廣到碳酚醛復合材料。Subsequently, the thesis improves the simplified method, and puts forward an iterative algorithm to consider the influence by raft rigidity to substratum settlement and stab deformation. then, numeric examples are calculated to testify its validity. finally, the application of the method is introduced on a factual project and differences between the simplified method and the improved method are discussed
在此基礎上,本文改進了簡化共同作用分析方法,提出了考慮筏板剛度對下臥層沉降的影響和樁端刺入變形,滿足樁?土?筏位移協調的共同作用迭代分析演算法,並通過數值算例驗證了該演算法的有效性。The 3 - probe array is used to separate the incoming and reflecting waves and to adjust the wave generating signal, so this technique can effectively absorb the wave components reflected by a test structure and thus prevent them from being re - reflected back towards the wave paddle
該法在造波板前1 2倍波長處布置3個傳感器,通過入反射波分離方法得到準確的入反射波參數,以此調整造波信號,有效地吸收由建築物反射回到造波板的二次反射波。The effect of gas rates, liquid flow - rates, downcomer width, weir height and the addition of surface active agent on the liquid mean residence time, t, effective diffusion coefficient, de, and froth height, hf were studied. results obtained showed that for two systems, the t in the downcomer of ctst plate is 20 - 50 % smaller than that of fl valve plate, and the de is 40 - 70 % smaller than that of fl valve plate
通過對氣速、液體流量、降液管寬度、堰高和表面活性劑加入的影響進行分析得出下面結論:在相同的操作條件下,對于兩種物系, ctst塔板降液管的液體停留時間比f1浮閥塔板的約小20 50 ,有效擴散系數比f1浮閥塔板的小40 70 ,泡沫高度低110 150mm 。The results indicates that the cubic logarithm polynomials can accurately reconstruct the raw thermal images in the experiment, and can effectively suppress the interference to defect recognition caused by random noise and uneven heating in the pt testing of composite laminates ; the digital images from data reconstruction have clearer defect display or higher defect resolution than the raw thermal images, and the quadratic coefficient image of cubic logarithm regression shows the highest snr
結果表明利用三次對數多項式回歸即可精確地重建本次實驗的原始熱像,同時能有效地克服復合材料層壓板脈沖熱像檢測中隨機噪聲和加熱不均效應對缺陷識別的干擾;經過數據重建后所作的數字圖像比原始熱像有更高的缺陷顯示度或分辨力,其中以三次對數多項式回歸公式中的二次項系數所作的數字圖像的信噪比最大。Numerical simulations were performed and results show that significant attenuation of radiated acoustic power can be obtained, and sound radiation cancellation performance becomes better in low and medium frequencies
進行了數值模擬,模擬結果表明,應用壓電片能有效地抑制聲吶設備中障板聲輻射,抑制中低頻的聲輻射效果更好。Numerical computation of effective elastic constants of the honeycomb sandwich panel with the 3 - d multi - step homogenization
基於均勻化理論的管板有效彈性常數的研究Based on analysis and comparison of existing test data applied to existing ultimate strength prediction models, interfacial stress at the end of plate is deduced. after formulas for calculating the effective moment of inertia for frp - strengthened beams being revised and adjustment coefficient related to nominal main steel reinforcement ratio and curtailment length ratio being put forward, strength prediction formulas of compound beams under plate end debonding failure are established. in analysis of strength of compound beams under intermediate crack induced interfacial debonding failure mode, several bond strengths and their relation are introduced
對于板端剝離破壞,在總結現有承載力模型的基礎上,利用已有試驗數據對各承載力計算公式進行了分析比較,進一步採用分階段分析法,推導了板端界面應力的計算公式,在此基礎上,採用加固復合梁有效慣性矩的修正公式,建立了考慮名義配筋率和板端偏移比影響的板端剝離破壞梁承載力的計算公式;對于跨中受彎裂縫導致的粘結破壞,闡述了常見的幾種粘結強度之間的區別和聯系,並基於拉剪粘結強度,提出了跨中受彎裂縫導致粘結破壞的承載力計算公式,並利用現有試驗結果確定了模型中的一些參數;最後,利用試驗數據對本文建立的兩種粘結破壞承載力計算公式進行了檢驗,結果基本吻合。( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese
本論文的主要研究內容如下: ( 1 )研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理,合理分割銑床控制系統的管理任務,根據任務的要求賦予不同的優先級和調度時間,保證任務的執行效率和實時性; ( 2 )開發底層設備驅動程序和應用程序介面( api )函數,以便於進行系統應用軟體的開發; ( 3 )深入研究fat16文件系統的結構和固態盤的硬體特性,參照fat16文件系統的管理思路,開發固態盤文件管理軟體以有效管理nc代碼文件; ( 4 )深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議,開發串口通訊網路通信軟體; ( 5 )研究字元的顯示原理和在操作系統中嵌入字庫的方法,在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法,開發中文字庫嵌入軟體,滿足開發操作界面的信息要求; ( 6 )深入研究三維圖形坐標變換的原理,開發實用的三維加工軌跡顯示軟體,便於操作者對零件的加工過程進行監控和診斷。A straight inlet baghouse which can effectively reduce energy consumption of equipment in operation and lengthen the service life of fabric bags, as well as gas flow structure in the tank body have been presented, and numerically simulating the gas flow distribution in the tank body being carried out by using calculated flow dynamics ( cfd ) method, providing a method and parameters for adjusting the gas distributing plates structure to realize reasonable flow rate distribution in the tank body
摘要介紹了能有效降低設備運行能耗、提高濾袋壽命的直通式袋式除塵器及其箱體氣體流通結構,並利用cfd方法對箱體流量分配和氣流分佈進行數值模擬,給出了實現箱體流量合理分配的氣流分佈板結構調整方法和參數。分享友人