方孔型 的英文怎麼說

中文拼音 [fāngkǒngxíng]
方孔型 英文
square groove
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 孔型 : [冶金學] pass; roll pass
  1. On the basis of the basic theory of metal distortion, using round steel alit rolling as entity model and combining with production practice, the selection of slit location, slit mode and the design parameter of slit pass system were analyzed, and the area calculation model of pre - slit rolled piece and slit rolled piece was built

    摘要基於金屬塑性變形基本理論，以圓鋼雙線切分為基本實體模型，結合生產實踐，對切分位置、切分方式的選擇和切分孔型系統的設計參數進行了分析，並建立了預切分軋件和切分軋件的面積計算模型。
  2. Inductrial pre - crimped wire screens square openingseries

    預彎成型金屬絲編織方孔網
  3. Industrial pre - crimped wire screens square opening series

    預彎成型金屬絲編織方孔網
  4. Plan of remaking lathe for cnc powerful cutting roller pass

    軋輥孔型數控強力車削機床改造方案
  5. At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers

    本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定，對12種乾燥藥材的性狀進行了描述，提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉，萌發孔有3孔型， 3溝型和3孔溝型三種類型；表面紋飾包括網狀紋，條狀?網狀紋，條狀紋和瘤狀紋四種類型。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析，並進行方法學研究，結果表明，同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎曲程度sfc值和細胞縱、橫向直徑的比值slf值，種間有顯著差異，每種都有相對恆定范圍值。
  6. Corresponding mathematics model was developed, hole - edge stress analysis on composite material plate with multiform holes was carried out, accurate boundary conditions was founded by conformal mapping method, boundary problems of the two stress functions could be treated by affine transformation in the same way synchronously

    建立了相應的數學模型，對含不同孔型復合材料板進行了孔邊應力分析，通過保角映射方法建立精確的邊界條件，解決了復雜孔型的邊界條件問題，藉助仿射變換能同時並且同方法的處理這兩個應力函數在邊界上的問題。
  7. This research job analysised the extending roll pass system the finish roll pass system and the ultimate roll groove. the mathematical models and experience formulations used for roll pass design are corrected according to the basic theory and the practical experience of the engineerings. the thread steel bar card was set up with the visual program tool - visualbasic6. 0, based on the method of the structural program design

    本課題通過對螺紋鋼延伸孔型系統、精軋孔型系統及成品孔型的構成和設計方法的分析，結合螺紋鋼孔型系統的基本設計理論和工程技術人員的實際生產經驗，對以往孔型設計過程中所使用的數學模型、經驗公式等進行了修正，以結構化程序設計方法為基礎，採用可視化編程工具visualbasic6 . 0建立了螺紋鋼計算機輔助孔型設計系統。
  8. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  9. Card makes design period shorter compution periods, having very high superourity compared to the classical methods. the use of optimization technique in card is an inevitable trend

    Card使得設計周期短、計算準確，與傳統的孔型設計方法相比有著極大的優越性。將優化技術用於card是必然趨勢。
  10. Abstract : this article gives us the new concept and its meaning of the semi - ellipse roller, and discussed the function of the semi - ellipse closing roller from four aspects, that is from increasing the pipe deformation, pipe bouncing control, improving pipe edge rigidity and stablity, and realizing the common usage of the closing roller

    文摘:提出半橢圓閉口孔型新概念和其內涵，分別從增大管坯變形量、控制管坯回彈、提高管坯邊緣剛性和運行的穩定性以及實現閉口孔型輥的共用性等四個方面論述了半橢圓閉口孔型輥的作用。
  11. It also gives the semi - ellipse closing roller forming principle & quot; semi - ellipse + bouncing = round & quot;, and makes the principle formulated and quantitative for the control method and pattern of the pipe forming bouncing. this is the reasonable model for forming of thick wall pipe and high stress pipe

    指出半橢圓閉口孔型輥的成型思想是「半橢圓+回彈量=圓」 ，並且使這一思想公式化、數量化，為控製成型管坯的回彈提供了方式和方法，是成型高強度厚壁管的理想模具。
  12. Sem, transmission electron microscopy ( tem ), x - ray energy - dispersion analysis ( edax ), xrd, electron diffraction ( ed ) and high - resolution electron microscopy ( hrem ) were used to investigate the morphology, atomic composition and crystal structure of the nanowires. the hexagonal cdse nanowires with single crystal structure have been obtained in dmso under 140. ( 3 ) semiconductor te and cdte nanowires embedded in aao templates were fabricated for the first time by dc < wp = 7 > electrodeposition in ethylene glycol

    Sem 、 tem 、 edax 、 xrd 、 ed 、 hrem分析的結果表明，所得cdse納米線為六方晶型，晶體的（ 001 ）晶面沿平行於基底的方向擇優生長，且隨沉積溫度的降低，這種擇優生長的趨勢越來越強；納米線晶體在生長時，由於受aao模板孔徑的限制，形成c軸方向拉長的晶粒，其長徑比達5 1以上；晶體的大小和完善程度隨沉積溫度的降低而增大， 185沉積得到多晶六方cdse納米線，而140沉積時可得到六方cdse單晶納米線。
  13. The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability. the out case of the silencer plays a very important role in reducing noise. the effect of the hole ' s shape, diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally. the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube. some useful results are gotten, which may be valuable to the design of the silencer

    多孔擴散型消聲器由於其體積小、消聲性能高而廣泛應用到排氣噪聲的降低上，其外殼對消聲器的消聲性能具有重要作用.本文對此類消聲器外殼的孔型、孔徑和孔距以及外殼同消聲材料的配合方面進行了細致的實驗研究，特別對外殼與消聲材料的配合與其排放噪聲以及外部流場之間的關系進行了探討，得到了一些有用的結論，對消聲器性能的提高具有一定指導意義。
  14. This system has the friendly windows for dialogue between person and machine, can draw and label the plan of each roll groove with the way of parameterization drawing, under the condition that giving the size of the rough blank the specifications of the finished product and the technical parameters of the roll, selecting the minimum consumption as the target function, adopting the optimization, adopting the boundary condition of the grip the strength of roll and the check of the power - generating. moreover, the plan can be outputted in the software of autocad

    本系統具有友好的人機對話界面，可以在給定坯料尺寸、成品尺寸和軋機技術參數的條件下，以能耗最小為目標函數，採用最優化方法，在滿足咬入條件、軋機強度校核、電機校核等邊界條件下優化設計出最優的孔型系統，採用參數化繪圖方法將優化設計結果繪製成孔型圖並進行標注，最終可以向autocad繪圖軟體輸出。
  15. The research of patch antennas based on photonic - bandgap ( pbg ) structures is a relatively new area. the goal is to improve the performance of the patch antennas by using the special features of pbg structures. though some good research results have been obtained by scientists in the world, there still exit some problems to be solved for improving the performaces and reducing the size, weight and cost

    雖然國內外已經在基底鉆孔型、地面腐蝕型、高阻抗表面型、 uc - pbg型、覆層型和軟表面型電磁（光子）晶體貼片天線等方面開展了研究，但是在這些研究中還遺留著多方面的問題有待解決，以顯著改善天線的性能指標，減少天線的體積，重量，降低天線的加工費用等。
  16. The sieve tray is nearly the lowest one in the modes in chinese operatic music tower, its structure is simple, it is easy to operate, press and reduce, the flux is large, efficiency is high, the design method is ripe, and it is easy to install and overhaul

    篩孔型塔板篩板塔的造價幾乎是板式塔中最低的一種，其結構簡單，操作容易，壓降低，通量大，效率高，設計方法成熟，而且安裝檢修容易。
  17. This article discussed the development and the basic design methods of the " computer aided roll pass design ", researched and analysised the card technology systematically

    本文綜述了計算機輔助孔型設計的發展狀況和基本設計方法，比較系統地研究、探討了card技術。
  18. Preparation of acrylate polymer latex with hollow structure

    多孔型乳膠粒子制備方法的的研究
  19. Firstly, the distortion of rolled piece and the designing method in the beforehand slit pass and slit pass has been analyzed. secondly, based on the research production of predecessor and research of the author, card system selected some corresponding experience formulas such as roll force, roll moment, roll temperature and roll consume, and established spread model in the beforehand slit pass and slit pass and the distribution model of elongation coefficient. subsequently, card system applied the dynamic programming method with minimum roll consume and optimized its pass system

    本文以圓鋼雙線切分為基本實體模型，著重分析了預切分孔型和切分孔型在軋制過程中的變形特點及相應的孔型設計方法；基於前人的研究成果及作者的探索，選擇了相應的軋制力、軋制力矩、溫度及能耗模型，建立了預切分和切分的寬展及延伸系數的分配模型；應用動態規劃法以能耗最小為目標函數對孔型系統進行了優化設計；利用visualbasic6 . 0和microsoftaccess數據庫的連接，建立了數據查詢系統，以visualbasic6 . 0和autocad之間的介面在vb環境下完成了斷面孔型圖的繪制。
  20. The characteristics of samples were investigated using xrd, hrtem, n2 adsorption technique and so on, and it was shown that mesoporous silica mcm - 41 had been synthesized in this work with uniformly sized pores and long - distance ordered arrangement of hexagonal structure, and the pore size was about 2nm, and could be regulated by the second hydrothermal treatment or the addition of l, 3, 5 - trimethylbenzene ( tmb ) as organic assistant expander

    結果表明合成試樣孔徑尺寸單一，六方孔道排列，具有良好的長程有序結構，孔徑為2 . 1nm ，為典型的有序介孔結構。並通過二次水熱處理和添加有機輔助劑1 ， 3 ， 5 -三甲苯（ tmb ）對合成mcm - 41的孔徑進行調節。
分享友人
分享到 Line

分享到臉書