參比面積 的英文怎麼說

中文拼音 [shēnmiàn]
參比面積 英文
reference area
  • : 參構詞成分。
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 面積 : [數學] area
  1. 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: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 。
  2. According to the characters of microscopic pathologic image and requirement of clinic and medical scientific research, we implemented various kinds of ootor image processing and parameter measuring approaches, including image movement and adjustment, brightness / contrast adjustment, image edit and length, acreage, amount measurement of ro1

    系統針對顯微病理圖像的特點,結合臨床應用和醫學科研工作的需求,重點建立了一系列適合醫學應用的彩色圖像處理方法和特徵數測量方法。這些方法包括圖像的移動、縮放、亮度對度調整、圖像編輯以及感興趣區域長度、、數量等特徵數的測量分析功能。
  3. Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters

    通過對電控可變氣門系統的主要結構數,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮、電磁閥通流中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流對電控可變氣門系統啟、閉性能起著決定性的作用,對於一定的氣門啟閉規律要求,這些結構數存在一組最佳值。
  4. The surface finite element solver can fit every kind of body. some models with noncircular cross are calculated. and the results are compared with the experiment values

    利用元法能夠適用於計算各種截彈身氣動數的特點,對截相等的幾種非圓截彈身模型的氣動力進行了計算,並將結果與實驗值進行了較。
  5. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點,採用非線性對度增強處理改善顆粒顯微圖像的對度;對多種閾值分割方法進行較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵數,對珍珠粉等粉體粒度進行了測量。
  6. The cross - section area of the internal sprue, the fill speed, the fill time and injection pressure are important die casting technology parameters

    摘要內澆道截、充填速度、充填時間和壓射壓都是重要的壓鑄工藝數。
  7. 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數, dc值可以同時反映顆粒濃度和因素的影響,試驗結果證明, dc值與單位體水中泥沙顆粒總表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。
  8. According to the result of physical modeling, the regression equation about the decrement of tidal bore height, the percentage of water - resisting area and the distance away from the upstream bridge site is constructed in this paper, the regression equation can be applied in the impact which bridge has on the tidal bore height in qiangtang esturary

    根據模型試驗結果,建立了涌潮高度的減小值與中潮位橋墩阻水百分和上游離橋址距離的多元回歸方程,可供錢塘江河口建橋對涌潮高度的影響計算考使用。
  9. The first part. task analyse of handling technology design. is explain the place, basic establishments entironment of yangshan port and the conditions basic tenet and technical parameter of design. the second part, project study out. is discuss the design contents the choice of the leading and the assistant engine, the form of the handling mechanisation system, project study out. the third part, size design, is count the berth pass capacity, the amount of handling engine, the area and capacity of yard, road and gate, the worker amount. the fourth part. technology and economy argumentation, commendable project confirm, is confirm the commendable project by technology and economy argumentation. in the end, considering the technology, economy and use. discourse commend the project of rubber - tyred gantry crane. at present. centre government is studying yangshan project, but in handling technology part of container terminal, the design is simply. so this discourse has important consult value. and has important value of economy and community too

    第一部分的裝卸工藝設計任務分析主要就洋山港區的地理位置、基礎設施、自然環境,設計前提條件,設計原則以及設計主要技術數進行說明;第二部分的裝卸工藝方案擬定主要就工藝設計的主要內容,主要機械及輔助機械選擇,裝卸機械化系統組成以及工藝設計方案擬定進行論述;第三部分的裝卸工藝方案規模設計主要就泊位通過能力,裝卸機械臺數,堆場及堆存能力,道路及大門,司機及工人人數,工藝流程進行計算分析;第四部分的技術經濟論證及推薦方案確定主要就技術、經濟指標進行對論證,並在此基礎上確定推薦方案。
  10. Analysis of the area proportions and standard deviations of a certain gscc soil classified to cst showed that the lower the unit in referencing, the easier the referencing would be

    分析高山土後分屬的系統分類不同類型土壤例及其標準偏差,表明土壤的單元級別越低,越易於和把握,進一步開展土壤系統分類的基層分類研究顯得十分必要。
  11. Gscc - high - mountain - soils, typical soils with a total area of 197. 8 104km ^ 2, can be sorted into 4 cst orders, cambosols ( 50. 2 % ), aridosols ( 29. 8 % ), primosols ( 15. 1 % ) and isohumosols ( 4. 9 % ), and further into 11 cst groups and 19 cst subgroups, making referencing so complicated that there is no one - to - one referencing relationship, due to the fact that the 2 soil classification systems are absolutely different

    結果表明,我國發生分類高山土總為197 . 8萬平方公里,分佈規律明顯;高山土後分屬於4個系統分類土綱,雛形土、乾旱土、新成土、均腐土,它們分別?高山土總的50 . 2 % 、 29 . 8 % 、 15 . 1 % 、 4 . 9 % ,其中包含了系統分類的11個土類和19個亞類,關系復雜,不是簡單一對一的關系。
  12. This paper has described the principle of the contact polarization curve method and the technique for measuring basic parameters, analyzed the influence of such factors as oxidation conditions of the ore deposits, arrangement of electrodes and structures of orebodies on the basis of studying some typical polarization curves, inferred several parameters such as independency of orebodies, reacted minerals, effective areas of reacted minerals, reserves of elements and grades of elements for some measured typical curves, and compared the inferences with the exploration results

    摘要介紹了接觸極化曲線法的原理及基本數的測取方法;通過一些典型極化曲線,對礦床氧化狀態、電極排布、礦體結構等因素的影響作了分析;對所測得的部分典型曲線進行了礦體獨立性、反應礦物、反應礦物有效、元素儲量、元素品位等數的推斷,並將推斷與勘探結果進行了對分析。
  13. Using the theory of conformal transformation, the planar figures of the workspaces are mapped. on the study of the spherical 3 - dof serial mechanism workspaces, we can give the reachable workspace, the atlases of reachable workspaces, the mobile workspace and the atlases of mobile workspace of the spherical 3 - dof parallel mechanism which given geometric parameters. from these atlases, we can see that the mechanical function is better when 1, 2 was given and 1, 2 tend 90

    再次對球機構的性能進行研究,利用保角變換理論將球機構工作空間在平中表示,在分析串聯球機構可達工作空間的基礎上,得出給定機構數的並聯球機構的可達工作空間和可達工作空間性能圖譜,得出對應于不同靈活度的靈巧工作空間和靈巧工作空間性能圖譜,結論表明,在給定機構數_ 1 , _ 2的情況下, _ 1 , _ 2越是靠近90 ,其可達工作空間和靈巧工作空間越大;利用雅可矩陣對機構進行奇異位形分析,得出幾種特定機構數的奇異位形。
  14. The parameter in the xin ' anjiang model, imp, was extracted directly from above land use / cover data. another parameter, sm, in each subcachment and in each raster grid was obtained from the relation between sm and the ratio of forest land area to subcatchment area. thus, a semi - distributed hydrological model and a distributed hydrological model were established to analyze the effect of some parameters in xin ' anjiang on runoff process according to the spatial variability of land surface characteristics

    將遙感技術獲取的土地利用和地表覆蓋一公里柵格信息與數字高程模型數據進行空間配準,然後通過構建林地與新安江模型數sm的關系間接確定各子流域及各柵格單元的的sm值,新安江模型數imp由配準好的土地利用和地表覆蓋信息直接提取,由此建立方案與方案,來分析受下墊覆蓋的空間不均勻性影響的模型部分數是如何對模擬水文過程產生影響的。
  15. A parametric analysis of the inviscid effects of leading edge sweep, sidewall compression, width - height ratio, cowl position and inflow mach number on spillage is finished. numerical simulations are completed for a series of inlets at various flight height and velocity. the research indicates that the area of spillage window, which is mainly determined by the position of the cowl, significantly influences the spillage characteristic of the scramjet inlet

    闡明了側板后掠的側壓進氣道設計數對構型溢流影響;對不同側板配置方式的側壓式進氣道進行了數值模擬,通過對分析,發現由唇口板的位置所決定的溢流窗的大小對進氣道溢流特性的影響顯著。
  16. And, the energy consumption of windows occupies a majority of the one of the whole building. in this thesis, different types of windows and measures for energy efficiency have been introduced, including window frames, glazing, operation types and shading strategies, and their thermal performance. during this study, we employed doe2in, building heat transfer simulation software, to evaluate the electricity consumption of a residential building differently oriented in hangzhou due to different window types and different shading strategies, based on which we can educe some conclusions about window design for energy efficiency of residential buildings in hot summer and cold winter zone

    此外,本文利用doe2in軟體對杭州地區居住建築外窗的能耗進行模擬計算,分別詳細計算了在東、西、南、北四個朝向下,不同窗墻、不同窗框材料或玻璃的使用下,以及採用不同遮陽措施時的建築全年耗能情況,並對上述影響外窗能耗的因素進行分析較,從中得出在我國夏熱冬冷地區居住建築外窗節能設計的一些結論,可供建築設計及有關人員考。
  17. The characteristic parameters of effective debris in a ferrograph have been calculated in the present thesis, like area, perimeter, aspect ratio and granularity, in which some methods have been adopted such as smoothing, filtering and thresholding and so on, according to tribological theories and computer technologies and digital image preprocessing

    本論文基於摩擦學原理和計算機技術,通過對鐵譜片進行數字化圖像預處理,採用對譜片圖像的平滑、濾波以及閾值二值分割等方法,計算出譜片中特徵磨粒的一些特徵量,如、周長、粒度以及縱橫等。
  18. The design parameters of liudong waterworks showed that, the rate of the up - flow filtration improved over 50 % comparing to the normal down - flow filtration. so its filter area is less one - third than the others in same scale for less investment. it is a promise filtration technology especially suitable for the cases of filter renovation in order to increase its filtrate

    按該技術成功運用的典型柳東水廠的設計數,反粒度濾池較一般快濾池濾速可提高50以上,因此,其同規模的其他濾池至少減少1 3 ,從而節省了大量的基建投資,經營費亦有減少,特別適用於水廠濾池挖潛改造,這是一種有潛力的過濾技術,尤其適用於對濾池進行改造以提高其產水量這樣的情況。
  19. The paper compares some algorithms on rs decoding, makes improvements based on the me algorithm, removes the modifying step in decoding truncate rs code, corrects unsuitable statements in the related papers, and parameterizes the rs decoding module, reducing its area by 20 %. the paper overcomes the signal integration problem in multi - clock design, greatly lowers the phase jitter without area increase, introduces pll to adjust rate for the first time, and parameterizes the module

    本文較了實現rs解碼的幾種演算法,並在me演算法基礎上進行改進,創造性的去掉了縮短碼解碼中的校正環節,糾正了有關論文中的不當論述,並將rs解碼模塊進行了數化設計,同時也將rs解碼的規模縮小了20 ;克服了多時鐘設計中的信號完整性難題,在沒有增加模塊的條件下,大幅降低數據的相位摘要抖動,首次引入鎖相環來調整速率。
  20. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd計算獲得矢量噴管的性能數,如流量系數、推力系數以及有效推力矢量角等與矢量噴管壓以及幾何偏轉角之間的關系數據,並利用函數逼近理論建立了矢量噴管的動態數學模型。
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