shrinkage method 中文意思是什麼

shrinkage method 解釋
留礦法
  • shrinkage : n. 1. 皺縮；縮水；減縮；減少。 2. 【物理學】縮誤；縮減量；（肉類在運輸、加工過程中的）重量的損耗。 shrinkage in the market place 市場萎縮。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
  2. By improving foundry method, controlling composition, choosing appropriate inoculant and using te - coating, the shrinkage defect could be reduce effectively

    通過改進鑄造工藝、控制鐵液成分、選擇合適的孕育劑、使用碲塗料等綜合控制手段，能有效降低縮松缺陷率，防止缸蓋的滲漏現象。
  3. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的等溫結晶動力學過程，分析了在一定條件下，樣品體積收縮、晶體線生長速率變化、樣品厚度變化和晶核數目變化這四種因素對高聚物在有限體積元中的等溫結晶過程的影響。
  4. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  5. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  6. Testing method for thermal expansion and shrinkage of insulating fire bricks

    隔熱耐火磚熱膨脹率和收縮率的測試方法
  7. Test method of ironing shrinkage for wool fabric

    毛織物乾熱熨燙收縮試驗方法
  8. Design method of shrinkage narrow slit on airport cement concrete road surface

    機場水泥混凝土道面板縮縫的窄縫設計方法
  9. The key to prediction of casting shrinkage / porosity lies in ascertaining the critical value of temperature gradient and niyama criterion. the thesis put forward two methods to ascertain the value, one is which is positive - direction and the other is negative - direction. we verify the realistic arithmetic of temperature gradient method and niyama criterion method by experiment, and we can draw a conclusion that the arithmetic is correct and reasonable in most cases and choice of developing tool is sound

    臨界梯度值和新山判據臨界值的確定是實現縮孔縮松預測的關鍵，本文提出了確定臨界值的正向法和反向法，並以高鉻鑄鐵件縮孔縮松預測和鑄造工藝改進為研究對象，應用正向法，確定了溫度梯度法的臨界值為180 m 。
  10. On the basic of the detailed analysis on main causes and main prediction methods of casting shrinkage / porosity, we put forward two methods to describe the solid phase rate of materials solidification. one is liner - distributing method, and the other is parabola - distributing method. and then, we apply the former to the system

    本文在充分分析鑄件縮孔縮松產生機理與主要預測方法的基礎上，提出了材料凝固固相率的線性分佈法和拋物線分佈法，並將前者應用於系統中；同時提出了溫度梯度法和新山判據法的實現演算法，此演算法具有一定的靈活性。
  11. Standard test method for shrinkage factors of soils by the wax method

    用蜂蠟法對土壤收縮系數的標準試驗方法
  12. Calculation sample showed that this method is simple and applicable in estimating creep and shrinkage in tall building structural design

    算例表明該法簡單實用且計算誤差較小，可以用於超高層建築結構設計中估算收縮徐變。
  13. ( 3 ) this thesis deduces the predigestion calculating method for calculating the section stress redistributed by the effects of concrete shrinkage, creep and difference temperature of pre - stressed lager cantilever composite beam with corrugated steel webs

    （ 3 ）推導了預應力波形鋼腹板組合挑梁關于徐變、收縮及溫度效應下的截面應力分佈簡化計算方法。
  14. Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result

    為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響，採用時間增量法對每個計算階段根據其階段內時步數進行循環，以計算時段內彈性應力、應變增量和徐變、收縮產生的應力應變增量，利用有效彈性模量法計算混凝土徐變收縮次內力，在此基礎上，結合結構矩陣位移法的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。
  15. Method for determination of the shrinkage of wood

    木材幹縮性測定方法
  16. Method for determination of relaxation and felting shrinkage of wool textiles after machine washing

    毛紡織產品經機洗后的鬆弛及氈化收縮試驗方法
  17. Standard test method for linear drying shrinkage of concrete masonry units

    混凝土砌塊線性乾燥收縮度的標準試驗方法
  18. Test method for shrinkage stresses in plastic embedment materials using a photoelastic technique for electronic and similar applications

    用光彈性技術測定電子及類似用途的塑料灌封材料的收縮應力的試驗方法
  19. This paper summarizes the application of these two mining methods, presents the problems and the improvement of shorthole shrinkage method and resuming - fill method, and discusses the applied conditions for these two methods by means of assessment, favorable for operation in mines

    提出盈虧評審方法確定淺孔留礦法與削壁充填法的適用條件，使礦山較準確地採用合適的采礦方法，有利於礦山的設計與生產。
  20. The numerical experiments show that the proposed method can significantly raise snr, decrease mse and preserve the shape of signal better than the original wavelet shrinkage method

    數值模擬表明，與小波閾值收縮方法相比，該方法在信噪比和均方差指標上都有明顯的提高，並能很好地保持信號的形狀。
分享友人
分享到 Line

分享到臉書