結構直徑 的英文怎麼說

中文拼音 [jiēgòuzhíjìng]
結構直徑 英文
constructed diameter
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  • 直徑 : diameter; diam
  1. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三,分析了xml化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別,提出了一套完整的xml化查詢代價估計體系sxm ,包括對簡單路表達進行查詢代價估計的動態xml數據統計模型xmap ,對復雜路表達進行查詢代價估計的雙焦點例舉法,以及對值匹配條件進行查詢代價估計的基於小波的多維方圖方法,並能將多種查詢表達的查詢代價估計合在一起,以給出一個完整的xpath查詢的代價估計。
  2. As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )

    光纖光柵傳感器除了具有重量輕、耐腐蝕、抗電磁干擾、靈敏度高、緊湊等優點外,還有其獨特的優越性,如探頭尺寸小,其與光纖等同;易於與光纖耦合,耦合損耗小;波長調制型,抗干擾能力強;集傳感與傳輸於一體且具有極強的復用能力,易於成傳感網路;測量對象廣泛,易於實現多參數傳感測量等等。
  3. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其,其路用性能仍值得探討,瀝青橡膠碎石層具有變形性能和抗裂性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  4. Pgla, one biodegradable material, is used to braid the conduits, which integrates the merits of its two aggregate ingredients. it is easy to adjust degrading rate to match the regeneration period of the nerve by changing the proportion of the two ingredients. the conduits are fabricated enlacing 2. 2 millimeter stainless steel on the braiding machine with 16 spindles using 2700 tex yarns. four conduits with different structures are braided : common braided structure, braided structure using braided ply yarn, braided structure with inserted reinforcing yarn and adding bridge - yarn structure, the last two conduits are new attempts to look for good shape - keeping structure, being able to lead the nerve to regenerate effectively

    本課題選用可生物降解材料聚乙丙交酯( pgla )為原料,它兼具兩種聚合成分的優點,可以通過調節兩者聚合的配比來調節它的降解周期,使與神經再生的周期相吻合。導管的製作是在16錠編織機上採用2700tex紗線進行帶芯編織,芯子為2 . 2mm的不銹鋼絲。共製作四種神經導管,分別為普通神經導管、編織線神經導管、加筋神經導管和加芯神經導管。
  5. Abstract : the paper probed the analysis on the adding mode of perpendicular load in multistorey building structures, the bending moment of frame side beams and the top, the bending moment of secondary beams, the difference between the tie - beam, plane - frame analysis and the space analysis on the path of conduct force, ect. it can be used as a reference when probing these problems

    文摘:討論了在多項高層建築分析中垂荷載加載模式的選擇,框架邊梁和次梁端部的彎矩計算,連梁問題和平面框架分析與空間分析在傳力路上的差別以及單片剪力墻平面外彎矩等問題,可供同類內力分析時參考
  6. Cells only the chromatin or chromosomes are heavily stained, the other components are bleached. after the chromosomes are stained by nama - ur, we have observed that the highest order structure of chromosomes is helical ; while the secondary structure is radically folding. the dna fibres with a diameter of 2530 nm have radically folded into chromatid fibres in a diameter of approximately 250 nm

    染色體經dna特異染色后,觀察到其最高層次是螺旋的,而次級存在著放射環,即由為2530 nm的dna纖絲放射狀折疊排列成約250 nm左右的染色單體絲染色單體絲進一步螺旋形成中期染色體
  7. This article imtroduces adesign for a new style nonelastic element flexible c ouple r with good combinedcompensntion functions of axial, radial and anguladirection s. it s a mew idea designwith a simple and reasonable construction, lowpri ce and convenient maintenance. also it hasa super axial compensating ability compared with common couplers. the theory is that therotary force can be changed into lev eladvanced force. it has been proved that this couplerhas a good combined techn ique proprety and a higher rate between quality and price. itmust have cheerful prospects of application

    設計了一種具有良好的軸向、向及角向綜合補償功能的新型無彈性元件撓性聯軸器.這種聯軸器思新穎,簡單,容易加工製造,便於裝拆維修,具有一般聯軸器所不能實現的軸向超大補償能力.設計原理可引伸拓寬到將轉動動力轉變為線推進動力的設計上.實踐證明,該聯軸器具有良好的綜合技術性能和較高的性能價格比,極具應用前景
  8. We used four different wavelength light including red light ( 750nm ), yellow light ( 580nm ), green light ( 560nm ), blue light ( 400nm ) to stimulate four different groups compound eyes. then the ultrastructures of the compound eyes of each group were observed under electron microscope. the results showed the fine structure of the photoreceptor, the diameter of rhabdom, the dimension of perirhabdom vacuole, the number of pinocytotic vesicle below the microsvilli, the location of pigment granules, the emergence of lamellar bodies and lysosomes in cytoplasm, were different in different light adaptation

    二、不同光照條件下復眼超微的變化三疣梭子蟹經過12h暗適應后,在不同波長的紅光( 750nm ) ,黃光( 580nm ) ,綠光( 560nm ) ,藍光( 400nm )照射下,其光感受器的小網膜細胞和感桿束的形態和超微呈現較大的區別,感桿束的形態、細胞內的胞器隨不同波長光的適應而發生變化,在紅光下感桿束最大,微絨毛排列整齊,在藍光下感桿束最小,微絨毛最凌亂。
  9. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調阻尼減振器的和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔、阻尼調節孔、氣室初始體積、活塞桿、油管內等主要參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。
  10. In order to approach the optimum design of changeover portion structural shapes for submarine ' s different diametral pressure cabins, a new structural type, named the double arc transition form, is introduced based on the analysis of stress concentration, by using the engineering calculation method and finite element mthod

    摘要為了探討潛艇不同的耐壓艙室過渡段型式的最優設計,利用工程計算方法和有限元方法,分析過渡段的應力集中,提出了能夠使不同圓柱殼光滑過渡的形式雙圓弧式過渡形式。
  11. By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established

    ( 2 )針對一典型的向、軸向進氣,向出氣的轉-靜盤腔,系統研究軸向進氣位置、向出口大小、旋轉雷諾數、無量綱質量流量和軸向垂預旋進氣等對盤腔內流動和換熱的影響,整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量流量之間的準則關聯式。
  12. The physicochemical properties of cx - 2 correspond to cytodex - 3 mc produced by pharmacia, including of color, loss of drying, area, density, size, soakage, dilation, stability, size distribution, mechanical strength, surface structure, etc., but its cost of manufacture is lower than cytodex - 3 " s

    通過優化工藝制備的cx - 2微載體,在色澤、乾燥失重、比表面積、成球率、密度、、吸水量、溶脹度、粒度分佈、表面、機械強度、穩定性等理化指標與pharmacia公司cytodex - 3微載體相當,但成本價格要低得多。
  13. The animal experiment is carried out in the first hospital of shanghai through renovating the injured nerve of the rats. four projects are used in this experiment : the conduits coated with pgla, the conduits coated with chitosan, the conduits coated with chitosan adding bridge - yarn and self - nerve migration. after 12 weeks, we observe and analyze the thickness of marrow theca, the diameter of axone, the density of regeneration nerve and then do electromyography and statistics analyzing, finding out that the third conduits have the best recovering effects on the injured nerve, close to the self - nerve migration

    因此我們選用加筋神經導管進行動物實驗。本課題動物實驗在上海市第一人民醫院進行,分別通過加筋塗pgla導管、加筋塗甲殼胺導管、加筋塗甲殼胺並加載縫芯線導管和自體神經移植四種方案對大鼠進行損傷神經修復實驗。在術后12周對四種方案再生神經的髓鞘厚度、軸突、數量密度進行觀察分析,並進行肌電圖檢測和統計學分析。
  14. Variable diameter rotor is an effective method to improve the aerodynamic performance of tilt - rotor in both hover and cruise state. on the basis the research before, the variable diameter tilt rotor structure design has been finish, and in virtue of the technology of virtual prototyping to simulate and analyze the kinetic, dynamic and intensity property of it

    傾轉旋翼能有效的改善傾轉旋翼機懸停和巡航狀態下的氣動效率,本文提出了變傾轉旋翼試驗模型設計方案,完成了可變傾轉旋翼的設計,並利用虛擬樣機技術對變傾轉旋翼的運動特性、動力學特性以及強度進行了分析、研究。
  15. Blasting demolition of water tower with large diameter and thin brick wall

    薄壁磚水塔的爆破拆除
  16. At last, for direct realization of this kind of structure system, an experiment of cable truss structure with d5 and 16 trusses has been done to check its distribution of self - equilibrium stress

    最後,為了對本體系有更觀的感性認識,向時也為了進一步驗證理論分析的正確性,本文對一5米、由16榻索析架組成的環形索析模型進行了實驗研究。
  17. The morphology of the natural cryptomelane crystals via sem showed short prismatic, needle - like and fibrous shapes with the diameters varying from few nanometers to hundreds nanometres

    軸延伸,幾nm至幾百nm集合體規則排列呈片狀板狀或放射狀晶體屬于單斜晶系,具有沿
  18. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述接甲醇燃料電池( dmfc )陰極氧氣的傳遞和電化學反應過程,研究了過電位-電流密度曲線受陰極參數變化的影響程度,其中著重考慮了以下幾個參數:催化層的孔隙率,浸漬聚集體薄膜的厚度,浸漬聚集體的半,浸漬聚集體在催化層中的體積分數。
  19. 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參數,如動力活塞、緩沖活塞、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參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、氣門彈簧剛度、電磁閥通流面積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,這些參數存在一組最佳值。
  20. In the relatively high dislocation density areas, dislocations form the relatively small cellular structure and there is few isolated dislocation within each cellular structure. here the profile of c concentration in the dimension of a cellular structure is " u " - shaped. the cell diameter increases as the dislocation density decreases, dislocations form the relatively large cellular structure and there are a few isolated dislocations within each cellular structure

    發現晶片中位錯密度和分佈嚴重影響碳的微區分佈,高密度位錯區,位錯形成較小的胞狀,胞內無孤立位錯,碳在單個胞內呈u型分佈;較低密度位錯區,胞狀結構直徑較大,胞內存在孤立位錯,碳在單個胞內呈w型分佈。
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