theoretical span 中文意思是什麼

theoretical span 解釋
理論跨度
  • theoretical : adj. 1. 理論（上）的，學理上的 （opp. applied）。2. 假設（性）的；純理論的，推理的。3. 空論的 （opp. practical）。adv. -ly
  • span : n 1 一?〈手指張開時，拇指尖至小指尖的長度，通常九英寸〉。2 （常有短的涵義的）一段時間；很小的間隔...
  1. The structure of air - blast pipe was improved on. an orienting object was installed based on theoretical analysis, that increase the spraying span. it has been found that both spraying span and droplets uniformity improved, by installing the orienting object. according to the results of a great number of experiments, orderliness of droplets diameter along the spraying span was researched, and rational spraying span of air - assisted sprayer was suggested

    通過試驗檢驗噴霧機樣機的噴霧性能，並提出對各項參數的優化設計方案。通過正交試驗和對比試驗對霧滴取樣，證明導流器的安裝不僅增加了噴幅，而且還提高了霧滴均勻性系數。根據大量試驗的結果分析，找出了霧滴直徑在噴幅方向上所呈現的變化規律，並提出了合理的噴幅范圍。
  2. Further experimental investigation and theoretical analysis on the structure and properties of undoped and doped polyaniline are carried out by using several inspecting methods and instruments. using fuming sulfuric acid sulfonating emeraldine base ( eb ), sulfonated polyaniline ( span ) is synthesized. the results show that it has higher solubility and good conductivity, span with different sulfonation. degree ( sd ) possesses different conductivity

    藉助於一系列的現代分析手段對本徵態及摻雜態的聚苯胺的電學、光學、熱學等性能進行了分析，結果表明，本徵態聚苯胺具有高的熱穩定性，不同酸摻雜的聚苯胺具有不同的光學、電學性能。
  3. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論，導出了雙向空腹板的平衡微分方程，並通過理論計算和通用有限元程序ansys結果對比，驗證了其正確性；通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較，本文提出：雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算，完全能滿足工程精度要求。
  4. The analogy circuits in flowmeter are unable to ensure the measuring precision of flowmeters in fields, and make the span ratio of flowmeter lower than theoretical value

    用現有的模擬處理方法，不能保證流量計的現場測量精度，流量計的量程比受限。
  5. Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained

    本文採用風洞模型試驗和計算機數值計算相結合的方法，對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究，取得了有意義的結論。
  6. Furthermore, the isoline maps of mean wind pressure coefficients and rms wind pressure coefficients of the structure under various wind directions are plotted. in the matter of theoretical analysis, modeling with finite element method, using the local mean wind pressure coefficients and time history of fluctuating pressures determined in wind tunnel, the wind - induced dynamic responses for long - span grid roof structures are calculated in frequency domain and time domain separately

    在理論分析方面，建立合理的有限元模型，利用剛性模型風洞試驗獲得的各種不同情況下屋面各節點的平均風壓系數和脈動風壓時程，在頻域內和時域內進行了大跨網架屋蓋結構的風振響應分析。
  7. In particular, for the revised version of the code which will cover bridges with span beyond 150 m, this thesis provided necessary theoretical arguments as well as convenient analysis means

    尤其是將規范涵蓋的橋梁跨度范圍擴大到150m以上時，給出了充分的理論依據和方便的計算手段。
  8. In this decade, fatigue damage monitoring has been exploited and applied to some projects, but the effect of fatigue damage monitoring is not satisfactory, most of them are on the stage of theoretical research all the same, with which damage assessment of long - span bridge is not accuracy

    盡管近年來開發和在一些項目中實施了疲勞損傷監測，但效果不佳，大多還處在理論研究階段，很難對大型鋼橋作出準確的損傷評估。
  9. Based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and equivalent wind load factor of the long - span grid roof of taizhou stadium subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained. in the matter of wind tunnel tests, the distribution rules of roof under various wind directions are obtained through the data got from the wind tunnel tests for rigid model of long - span grid roof of taizhou stadium

    在風洞試驗方面，通過對臺州體育中心屋蓋剛性模型在模擬大氣邊界層風洞中進行的不同風向角下的風洞試驗所得數據的研究，獲得了結構在各種情況下的屋面風壓分佈規律，並且繪制了臺州體育中心屋蓋在各個風向角下的屋蓋平均風壓系數和脈動風壓系數分佈等值線圖。
  10. It needs considerable courage to accept minus space that is a forbidden zone in classical theory. we should have a stably theoretical base to complete the span of space - time

    在本文中我們已經知道：能量的不連續性是空間不連續造成的，而空間的不連續是時空波函數在
  11. Abstract : for building a long - span concrete - filled steel - tube ( cfst ) arch bridge with an integrated installation tower, one of the key technologies is to control the arch rib alignment of the bridge. based on the theoretical analysis and the measuring results, the designed arch rib alignment of a being built bridge can be guaranteed quality by adjusting the length of the cables on - line. the engineering application shows, by using the on - line adjusting cable technology, that it is economical and in safety for building a long - span cfst arch bridge

    文摘:在大跨度鋼管混凝土拱橋塔架/扣架一體化纜索吊裝施工中，其關鍵技術之一是主拱線形控制.在理論分析和現場測試的基礎上，動態調整扣索長度，可保證鋼管拱肋的設計線形.工程實踐表明：將扣索動態調整技術應用於大跨度鋼管混凝土拱橋的吊裝施工中，可降低工程造價，保證施工質量
  12. In a historical stage of big span which from 1921 to 1978, what the party programmes emphasize is " revolution ", " class struggle ". the thought visual angle and the theoretical feature of the party in this historical period can be reflected, and which is the type of normal or the revolutionary normal form. in the 24 years from 1978 to 2002 in which china keeps reforming and opening up to the outside world, the party programmes went though from " emphasize with economic construction is center " to put forward political, economic, cultural overall development

    1921年至1978年這樣一個大跨度的歷史階段中，黨綱強調的是「革命」 、 「階級斗爭」 ，由此可以反映黨在這一歷史時期的理論特徵和思維視角，即範式類型，可名之為革命範式； 1978年至2002年改革開放的24年中，由強調「以經濟建設為中心」到提出政治、經濟、文化全面發展，由單項的發展到綜合的、總體的、全面的發展。
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