compression stability 中文意思是什麼

compression stability 解釋
壓縮穩定性
  • compression : n. 1. 壓縮；壓緊；濃縮，緊縮。2. 加壓；壓抑。3. （表現的）簡練。4. 應壓試驗。
  • stability : n. 1. 穩定，穩定性，穩度。2. （船等的）復原力。3. 鞏固；堅定，持久不變。
  1. Then, the classical stability theory for brail composite cylindrical shells under axial compression is discussed

    然後，討論了編織復合材料圓柱殼的經典穩定性理論。
  2. In - plane stability of latticed columns under compression and bending

    楔形變截面壓彎構件的平面內彈塑性穩定
  3. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  4. Numerically assessing aerodynamic stability of compression component running in turbofan engine

    渦扇發動機整機環境下壓縮部件穩定工作邊界計算方法
  5. The result indicates that in the case of constant content of asphalt, marshall stability, compression strength, rupture strength, compression modulus and rupture modulus of cement emulsified asphalt concrete would increase along with the increase in cement content ; in the case of constant content of cement, these index values would decrease along with the increase in asphalt content ; while with the increase of coarse aggregate, rupture strength and rupture modulus of the concrete would increase conspicuously, yet compression strength and compression modulus would have a little change

    試驗結果表明：在乳化瀝青含量不變時，隨著水泥用量的增加水泥乳化瀝青混凝土的馬歇爾穩定度、抗壓強度、抗折強度、抗壓回彈模量、抗折回彈模量隨之增加；在水泥用量不變時，隨著乳化瀝青用量的增加相應的力學指標呈降低趨勢；礦料級配中粗集料含量增加后，混合料的抗折強度和抗折回彈模量有明顯增加，但抗壓強度和抗壓回彈模量變化不大。
  6. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。
  7. First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given

    首先介紹了編織復合材料圓柱殼在幾種主要因素影響下的動力穩定性問題，用hamilton原理建立非線性動力穩定性問題的一般性基本方程。然後重點討論了編織復合材料圓柱殼軸壓下的蠕變屈曲問題及非保守力作用下的屈曲問題。對蠕變屈曲問題，通過理論分析來得到了編織復合材料圓柱殼的瞬時彈性臨界載荷和持久臨界載荷，給出了具體的算例。
  8. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    （ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。
  9. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求，確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線，即由纖維纏繞工藝成型主體異形件，閉模成型帶通槽外貼塊，用限位加壓工裝實現粘接的工藝路線；通過對原材料體系的篩選，確定了綜合性能較好的復合材料體系，以此為基礎進行了力學性能測試；運用有限元方法，建立了蒙皮、筋條和外貼塊的分析模型，綜合考慮結構特點和設計要求，對影響結構強度與穩定性的主要因素（包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度）分別進行了結構設計參數的優選，最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計；完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究；對縮比件進行外壓性能測試，並給出了應力、應變測試結果。
  10. Genetic algorithm, as a computational model simulating the biological evolution process of the genetic selection theory of dar - win, is a whole new global optimization algorithm and is widely used in many fields with its remarkable characteristic of simplicity, commonability, stability, suitability for parallel processing, high - efficiency, and practibility. on the other hand, there are many op - timization problems in the field of digital image processing, such as image compression, pattern - recognition, image rectification, image segmentation, 3d image recovery, image inquiry, and or so. in fact all these problems can be generalized as the problem of searching for a global optimal solution in a large solution space, which is the classic application field of genetic algorithm

    遺傳演算法是模擬達爾文的遺傳選擇和自然淘汰的生物進化過程的計算模型，是一種新的全局優化搜索演算法，具有簡單通用、穩定性強、適于并行處理以及高效、實用等顯著特點，在很多領域得到了廣泛應用，另一方面，在圖像處理領域有很多優化問題如圖像壓縮，模式識別，圖像校準，圖像分割，三維重建，圖像檢索等等，實際上都等同於一個大范圍搜索尋優問題，而最優化問題是遺傳演算法經典應用領域，因此遺傳演算法完全勝任在圖像處理中優化方面的計算。
  11. This regimen is capable of relieving or preventing spinal compression promptly, rebuilding the stability of the spine and preventing the focal diffusion, beneficial to the recovery of the patients

    結論早期前路病灶清除、徹底減壓、有效內固定及植骨融合能及時解除或預防脊髓壓迫，重建脊柱穩定，防止病灶擴散，有利於病情康復。
  12. In - plane stability capacity of i - section aluminum alloy bars under eccentric compression

    變截面楔形工字鋼簡支構件的平面外彈性穩定計算
  13. Besides the methods mentioned above, there are some applied methods overseas to calculate the stability of the steel compression bar

    國外鋼壓桿穩定計算的方法除了上面提到的一些計算方法外，還有了一些較為實用的計算方法。
  14. ( 5 ) rock mass stability analysis on dam abutment of xia luo - yu damsite as follows : in left dam abutment, sideslip control structure has been relatively integrate, and low dip angle jointing did n ' t develop, so integrate sliding deformation control structure could n ' t been formed in three - dimensional space and rock mass stability could n ' t been influenced badly ; in right dam abutment, indicate rock mass distortion was caused by the rock mass mechanics condition, such as specific rock mass structure, compression stress concentrate with high strength and especial landform and so on

    （ 5 ）對下落魚壩址壩肩巖體穩定問題的分析得出：左壩肩巖體雖然具有相對較完整的側滑控制結構，但由於緩傾角節理不發育，故在三維空間上不能形成完整的滑移變形控制結構，亦不會對壩肩巖體穩定性產生嚴重影響：右壩肩巖體復雜變形，是在特定的巖體結構、高強度的壓應力集中及特殊的地形等不可或缺的巖體力學條件下產生的。
  15. Stability reduction coefficient of axially loaded compression

    軸心受壓構件穩定系數
  16. In lan, multimedia communication can be realized with largle development of ethernet and video data compression in recent years. multimedia have being designed widely, which is a hotspot in the field. to ensure the stability and expansibility of terminal, we adopt method of design based on module. hardware of terminal should be largely integrated ; software of terminal should be designed on module based on os, also

    目前基於以太網的h . 323多媒體通信系統已成為了研究和開發的熱點。多媒體視頻終端是h . 323多媒體通信終端的組件之一。為保證系統的穩定性和可擴展性並加快開發速度，採用模塊化設計的方法。
  17. This paper conducts a study of the influence of core concrete performance upon the stability factor of axially compressed medium long concrete - filled steel tube column on the basis of comparison of the axial compression test results of long column made up of common concrete filled steel tube and medium long column made up of lightweight aggregate concrete - filled steel tube, and in accordance with analysis of the constitutive relation curves between both the common and lightweight aggregate concrete

    摘要通過對鋼管普通混凝土長柱和鋼管輕集料混凝土中長柱的軸壓試驗結果的比較，結合對普通混凝土和輕集料混凝土的本構關系曲線的分析，研究了核心混凝土性能對鋼管混凝土軸壓中長柱穩定系數的影響。
  18. Through a large number of unconfined compression tests and triaxial compression tests, the strength property and the water - stability of the lime - loess was analyzed. some laws about the strength property of the lime - loess with different lime content and compaction work varying with time were developed

    本文通過大量灰土試樣的無側限和三軸試驗，對灰土強度的影響因素和水穩定性做了一定的研究，得到了灰土強度與齡期、配灰比、擊實功之間的一些規律。
  19. Abstract : in this paper, on the basis of three drill holes and forty - two buckets undisturbed samples of life rubbish in the sanitary fill field of tianziling ， hangzhou, china, the tests to determine its composition ， physical properties and organic content as well as triaxial compression test had been accomplished. the conclusions of this paper can be applied to the stability analysis and deformation calculation of the sanitary to use it as the building foundation

    文摘:用杭州天子嶺生活垃圾衛生填埋場的三個鉆孔42桶原狀土樣，進行了室內生活垃圾的成份分析、物理性質指標測定、有機質含量試驗及三軸剪切試驗，對試驗結果進行了分析與整理，這些結論可為生活垃圾衛生填埋場的穩定性分析、變形計算及其作為建築地基的可行性研究提供必要的數據。
  20. Text is a kind of very common resource in digital library, and lossless techniques play an important role in compressing text. starting from the shannon ' s entropy theory, we analyze the lossless compression algorithms, and implement arithmetic coding algorithm in c. in the experiments, we compare four different lossless compression algorithms by their performances such as compression rate, compression rate tendency with the length of data, stability, and complexity, using 35 groups data series with 4 different length

    本文從信息論中shannon熵定理出發，對無損壓縮技術進行系統地分析，用c語言實現了其中的算術編碼演算法，並用它對35組、四種不同長度數據序列進行了壓縮，給出了實驗結果，然後從壓縮比、壓縮比隨字元串長度的變換趨勢、演算法穩定性和演算法復雜性等四個方面對其與其它三種壓縮演算法lzw 、 lz77 、 rle進行了分析與比較。
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