曲單針 的英文怎麼說

中文拼音 [dānzhēn]
曲單針 英文
helochone
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : Ⅰ名詞1 (縫衣物用的工具) needle 2 (細長像針的東西) needle like things 3 (針劑) injection; sh...
  1. However, single types are difficult in sewing heavy material and more materials once, it ll cause poor stability feeding and much attrition. in order to ensure zig - zag stitch, linking stitch, locking stitch. wemust adopt double type. needle plate and presser foot of double type should be changed together if you want to use double tye istead of single type. the size of their scres and installs are all - purpose

    有時為了保證折線縫拼縫鎖邊等縫紉要求,就要採用雙長型送布牙,如果要想把長型改換成雙長型時,必須同時更換雙長型的板和壓腳,其螺釘和安裝尺寸是通用的
  2. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    對加熱彎管過程的受力和變形特點,採用三維梁元、三維塑性直管元、三維彈性元、三維殼元與三維點對面接觸元等5種不同的元分別對管毛坯不同區域進行劃分,並對接觸元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。
  3. Anti - melatonin monoclonal antibodies of higher titer, affinity and good sensitivity were obtained by coupling mt to bovine serum albumin with formaldehyde and by immunizing mice with multifocal intra - dermal injections. we obtained 6 strains of hybridoma, all of them secreting specific antibodies to mt, we apply antibodies to determinate free mt inhuman serun with group - selective immunoassay technique. an inhibition curve for mt was obtained in the range of 50pg to30ng, and 1. 4ng of mt inhibited the value of the assay by half. we evaluate the specificity of antibodies by determination of cross - reactivity of several analogues, the moabs recognized mt but

    通過將mt用甲醛作連結劑連結到牛血清白蛋白上sa採用皮下多點注射兔疫小鼠得到了高效價,高親和力,較好特異性的抗mt克隆抗體,最後獲得了5株克隆細胞株,都能分泌對mt的特異性抗體,建立了選擇性基團免疫分析法,用制備的抗體測定了人血清中mt的含量,作了mt的抑制標準線,其抑制范圍從50pg ? 30ng ,半抑制量為1
  4. In order to solve this contradiction, reservoir engineering methods are used to estimate the exploitation process about the block, which including water drive curve method, the correlation experience method, the method of the flow pipe budgetary estimate and the method of well net density. on the basis of these method, the author studied the macrocospical distributing of remaining oil in each layer

    元開發過程中存在的突出矛盾,運用水驅線法、相關經驗公式法、流管概演算法、合理井網密度法等油藏工程方法對斷塊的開發歷程進行評價,在此基礎上進行各小層剩餘油的宏觀研究。
  5. This paper studies the application of inductively coupled plasma ( icp ) technology to the etching compound semiconductor insb - in film. by means of single probe and double probe, the ion density and electron temperature of chamber ( 30mm and 50mm in height respectively ) under varied process condition were diagnosed. the spatial distribution of the axial position of the two parameters and the varied curve that the two parameters varies with the power and air pressure are obtained

    利用和雙探診斷30mm高反應室和50mm高反應室在各種工藝條件下的離子密度和電子溫度,得到這兩個參數在反應室軸向位置的空間分佈、隨功率和氣壓的變化線、頂蓋接地和反應室體積對它們的影響,結果表明離子密度為10 ~ 8 10 ~ ( 10 ) cm ~ ( - 3 ) ,電子溫度在4 10ev之間;當頂蓋接地時,該處的等離子體密度明顯大於不接地;在同樣條件下, 50mm高反應室內的離子密度明顯大於30mm高反應室。
  6. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    遺傳演算法存在著收斂速度慢、易陷入局部極小等缺陷.對這些缺陷,本文設計出隨相對遺傳代數呈雙線下降的自適應交換率,並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數下降的自適應變異率.實例驗證表明,具有自適應交換率和變異率的遺傳演算法在收斂速度和獲得全局最優解的概率兩個方面都有很大的提高
  7. In this paper, the researching and developing situating at home and abroad on aseismic properties of the masonry structures are reviewed. aiming to the defects of the calculated formulas of the aseismatic shear strength of brick walls in the code for seismic design of building ( gb50011 - 2001 ) and the code for design of masonry structures ( gb50003 - 2001 ), through test on brick wall models between the single wall and the wall with flanges, restoring force characteristics, the behavior at failure of the brick masonry wall and the effect of longitudinal wall under cyclic horizontal loading were analyzed the aseismic capacity has increased by 31 % for wall with flanges, the rigidity and deformation of the wall has gone up greatly too. the conclusion that the effect of longitudinal wall should be comprised in the aseismatic formulas was proposed

    本文回顧了國內外關于砌體結構抗震性能的研究與發展現狀,對建築抗震設計規范( gb50011 - 2001 )和砌體結構設計規范( gb50003 - 2001 )中墻體抗震驗算公式中的不足之處,通過片墻和帶翼緣墻在垂直荷載和水平反復荷載作用下的對比試驗,研究了帶翼緣墻在水平反復荷載作用下的恢復力特性線、磚墻破壞特徵以及縱墻的影響等,翼緣墻的存在,主墻抗剪能力可以提高31 ,剛度及變形能力也均有較大提高的結論,墻體驗算公式中應當考慮縱橫墻共同作用的影響。
  8. Aiming at the shortages and demerits in the study of constitutive relationship of concrete based on elastic - plastic mechanics, damage expressions of concrete subjected to uniaxial tension - compression was deduced based on damage mechanics, and general damage evolution equation of concrete in bending state was received also

    摘要對彈塑性力學研究混凝土本構問題帶來的不足和缺陷,運用損傷力學的方法,導出混凝土在軸拉、壓狀態下的損傷表達式,得到了混凝土在彎狀態下的統一的損傷演化方程。
  9. Gpus graphics processing units are used to compute virtual vertices quickly and further accelerate the computing and rendering processes. as a result, realistic effects of reflections and refractions on implicit surfaces are rendered in real time

    本文主要結合隱式面的特點,總結了方程定義隱式面反射折射虛頂點的計算方法,並特別對旋轉面,提出了簡實用的虛頂點計算方法。
  10. Two methods are given. one is obtained by using degree reduction of interval rational bezier curves in two parameter directions according to the character of tensor product, which is called " single step method ". by comparison for degree reductions produced by the different order in two parameter directions, the relationships of the approximation results are discussed

    然後討論了矩形域上區間有理bezier面的降階問題,給出兩種降階演算法:一個是對張量積的特點將問題轉變為兩參數方向的區間有理線的降階逼近,即「步法」 ,並討論步法沿兩參數方向不同次序降階的關系。
  11. Nurbs surfaces with single interior knots are simple and used widely. the thesis main aims at biuquartic, biquintic, k x fc - degree b - spline surfaces and bicubic nurbs with single interior knots. one of the contributions is to apply knot refinement and the geometric continuous conditions of bezier surfaces to deduce the geometric continuous constraints of nurbs patches and obtain the intrinsic equations of common boundary curves, where the intrinsic equations are the special phenomena of nurbs surfaces

    節點向量是內部節點的nurbs面是最簡也是最常用的,本文重點節點的雙四次、雙五次和雙k次b樣條面及雙三次nurbs面,運用節點插入技術和b zier面的幾何連續理論成果,導出了它們之間的幾何光滑拼接條件,同時得到了公共邊界線所必須滿足的本徵方程,其中本徵方程是nurbs面所獨有的現象。
  12. In this dissertation, integrated the reduce - vibration project of the engine of the motorcycle company, the eccentricity balance is used in the internal - combustion engine on the basis of analysis of the dynamic balance of the crank - connect rod mechanism for the internal - combustion engine

    本文缸內燃機的柄連桿機構的動平衡進行深入分析,在分析的基礎上,缸內燃機的特點進行動平衡設計,提出偏心滑塊機構平衡方法,並對偏心滑塊機構在生產過程中一些關鍵技術進行分析設計計算。
  13. 5. the control systems of the heater are designed by the adaptive fuzzy neuron control arithmetic. the step response curve is got. the results show their nice performances

    對實驗室電加熱爐系統,使用自適應模糊神經元控制演算法進行控制系統的設計,得出階躍響應線,取得了滿意的控制效果。
  14. First, the working principles of the combustion control system of marine main boiler in present use and its disadvantages are discussed in the paper ; in the light of the structure and motion traits of marine main boiler, the combustion control systems of single and double cross amplitude limits are designed. at the same time, the schematic diagram of system and recovery curves of some relative parameters are given, the system working principles and its advantages and disadvantages are discussed. based on the combustion control system of dual - crisscross amplitude limit, by selecting the independent variable, the fixed offset is improved into variable offset, the combustion control system of variable offset dual - crisscross amplitude limit is designed

    首先討論了目前船用主鍋爐燃燒控制系統的工作原理及存在的不足;對船用主鍋爐的結構及運行特點,設計了交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統,同時給出了系統原理圖及有關參數的過渡過程線,討論了系統工作原理及優缺點;在雙交叉限幅燃燒控制系統的基礎上,將固定偏置經過自變量的選取,改進成變偏置,設計了變偏置雙交叉限幅燃燒控制系統,給出了系統原理圖及有關參數的過渡過程線,同時也給出了空氣壓力和燃油流量正負偏置函數與變偏置折線函數的關系式。
  15. In the first part, depending on three or more images, the main research work are listed as follows : ( l ) using svd decomposition to realize projective reconstruction ; ( 2 ) realizing camera self - calibration by solving kruppa ' s equation ; ( s ) recovering euclidean reconstruction from projective reconstruction. depending on only two images, the main researches are : ( l ) making out infinite plane homography matrix by using scene structure information, then recovering affine reconstruction from projective reconstruction ; ( 2 ) making out the absolute conic images by using scene structure information, and then recovering euclidean reconstruction from projective reconstruction

    在第一部分中,對三幅及三幅以上的圖像,主要研究:利用矩陣奇異值分解( svd )實現射影重構,通過求解kruppa方程實現攝像機自標定,由射影重構恢復歐氏重構;對只有兩幅圖像的情況,主要研究:利用場景結構信息求解無窮遠平面的應矩陣,由射影重構恢復仿射重構,利用場景結構信息求解絕對二次線的像(等價于標定攝像機) ,由仿射重構恢復歐氏重構。
  16. Based on the structural feature of long blade with friction damper, pretwist beam element and space straight beam element were adopted to discrete the blade, and the numerical model of damper link element was established, then the gross finite element motion equation of the blade was obtained

    對帶摩擦阻尼器長葉片的結構特點,採用扭梁與空間直梁元模化葉片,推導葉片阻尼連接元的力學模型,由此建立葉片總的動力特性分析方程。
  17. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡; 3 、對時變色散通道:利用瞬態均值線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。
  18. Based on analysis of the characteristics of the composite soil nailed wall, simulating the soil nail, concrete layer, deep mixing pile and step excavation, a model is established to calculate the deformation of the wall, compiled simple and applied program of one dimension fem ; according to the field test data and the calculated data by the fem software this paper has developed, the design method and deformation of the wall in xi ' an area is discussed. the shape of destructive sliding surface of the wall in loess strata in xi ' an area with deep groundwater is gotten. finally the lateral deformation distribution and the experiential formula to predict maximal horizontal displacement of the composite soil nailed wall are given

    對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的一種計算模型,該計算模型可對土釘、面層、深層攪拌樁以及分層開挖等進行簡化模擬;編寫了簡實用的桿系有限元程序;結合工程實測資料及有限元法分析的結果,探討了西安地區的土釘設計以及復合土釘墻的變形規律,得出了西安地區一般黃土在無地下水時的破壞滑動面形狀,復合土釘墻的側向變形線以及計算復合土釘墻最大水平位移的經驗公式。
  19. After the comparison of the stability checking computations and the section categorised situation both at home and abroad the current standard, some problems was discussed in the standard of our country. contraposed these questions, the paper computed the space stability coefficient of some general t - shaped and l - shaped sections and all the sections of t - shaped, l - shaped and 2 - angle iron t - shaped in the formed - steel - table, and worked out the curves. according to the comparison of the curves the paper got and the curve in the standard, some simple conclusions was put

    對國內外現行規范軸壓柱穩定驗算方法及柱子線截面分類情況進行了對比,討論了我國規范線中存在的一些問題,並對這些問題,以規范初始彎值對任意「 t 」形和「 l 」形截面和型鋼表中所有t型鋼、 l型鋼、雙角鋼t形鋼截面的空間穩定系數進行了計算,作出其與規范線的比較圖,通過計算結果的分析對各類截面歸類情況作了簡的評述,其中提出的一些建議可以作為規范修訂的參考依據;同時,這些計算結果也進一步證明了本文的柱子空間穩定分析方法的正確性。
  20. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡多邊形方向及點在多邊形內外判斷的新方法、三角b zier面片離散的誤差控制定理和一種帶誤差約束的b樣條線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據面重構方法; ( 3 )提出了一種稱為「虛擬測量」的面模型處理方法。
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