力學鈍性 的英文怎麼說

中文拼音 [lìxuédùnxìng]
力學鈍性 英文
mechanical pa ivity
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 鈍 : 形容詞1. （不鋒利） blunt; dull 2. （笨拙;不靈活） stupid; dull-witted
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  1. In the work, it was systemically studied that the effects of two suggested modifying ways on electrochemical characteristics of lithium metal electrode and its behaviors in lithium cell. finally, the action mechanisms of these two modifying ways were analyzed. through the study on pretreatment effects of different cyclic ether on lithium electrode, it was found that 1, 4 - dioxane ( doa ) and 1, 3 - dioxolane ( dol ), both could form a favorable passivating sei film on lithium electrode surface through

    研究不同環醚對鋰電極的預處理作用發現， 1 ， 4 -二氧六環（ doa ）和1 ， 3 -二氧五環（ dol ）對金屬鋰電極的表面預處理均可以在金屬鋰表面形成一層良好的sei鈍化膜，對鋰金屬電極起到了保護性作用，使鋰電極具有較小的界面阻抗，有效地提高了金屬鋰電極的充放電循環效率，改善了鋰金屬電極在循環過程中的表面形貌;而doa和dol對金屬鋰電極的表面預處理，不會明顯的影響鋰電極的動力學性能。
  2. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。
  3. The results show that, compared with cwq coke, the properties of cdq coke is much better in mean grain size, grain size uniformity, mechanical strength, thermal properties etc., the ash content, catalytic index ( mci ), optical texture index ( oti ) etc. are unchanged basically, and its alkali absorptance is strong, alkali resistance is weak, but its thermal properties are still superior to cwq coke after alkali absorption, its boron absorptance is weak, passivetion effect is bad, thus its thermal propetties is somewhat inferior to cwq coke after boron absorption

    研究結果表明：與濕法熄焦焦炭相比，干法熄焦焦炭在平均粒度、粒度均勻系數、機械強度、熱性能等方面均有明顯改善；灰成分催化指數mci 、光學組織指數oti基本不變；而吸堿能力強，抗堿能力弱，但是吸堿后的熱性能仍優于濕法熄焦焦炭；吸硼能力弱、鈍化效果差，鈍化后干法熄焦焦炭的熱性能稍低於濕法熄焦焦炭。
  4. In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area

    本文在已有理論研究的基礎上，針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題，綜合運用電化學理論、概率理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法，詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕損傷模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為，結構混凝土中鋼筋的腐蝕是一種電化學的過程，包括在金屬表面形成陽極（腐蝕）和陰極（鈍化）區域以及不同區域間的電位差等。
  5. Wld is a high - temperature anti - sloughing agent, which contains si and organic compound ion. by applying it with polymer drilling fluid in the high - temperature deep well and the well section of heaving mud shale, it can improve the stability of drilling fluid dramatically. and at the same time, it can deactivate the drill cuttings and the wall surface active point to greatly improve the property of rejection and anti - sloughing of the drilling fluid through the physical - chemical action occurring between the special group of molecule vs. drill cuttings and the wall surface

    Wld高溫防塌劑是一種含有si元素和有機復合離子的抗高溫防塌劑，在高溫深井及易垮塌的泥頁巖井段配合聚合物鉆井液使用，不僅可以顯著改善鉆井液的穩定性，而且可以利用分子中的特種基團與鉆屑和井壁表面發生物理-化學作用，使鉆屑和井壁表面活性點鈍化而顯著提高鉆井液的抑制防塌能力。
  6. In the third chapter, the method and choosing principle of the test system component at first were brought out. the component of test device was introduced. and then, the characteristics, such as strouhal number, vortex street strength, vortex street stability and pressure drop coeffi

    縱觀全文，本文成功地將cfd技術和實驗流體力學方法應用於新型雙鈍體渦街流量計的研究，並對旋進旋渦流量計的流體振動特性和抗干擾方法進行系統研究，提出了旋進旋渦流量計抗干擾設計的新方法。
  7. The new sulfur passivation technique developed in late 80 ' s injects new life into the study of the passivation although the chemical stability of the passivation layer is not so satisfactory

    八十年代後期出現的硫鈍化技術給鈍化研究注入了活力，但它的化學穩定性仍不夠理想。
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