熱收縮應力 的英文怎麼說

中文拼音 [rèshōusuōyīnglì]
熱收縮應力 英文
thermal shrinkage stress
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 縮 : 縮構詞成分。
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 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...
  • 收縮 : 1 （由大變小; 由長變短） contract; shrink 2 （緊縮） concentrate one s forces; draw back 3 take u...
  1. Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures

    鑄件內部的其它一些缺點是，凝固過程中，在不均勻收縮造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下，出現的清晰裂縫和熱撕裂。
  2. However, the mechanical properties and orientation of fiber changed little. montmorillonite could also improve the thermal stability of microstructure in pet fiber. we suggest that the strong coherence of the interfaces between montmorillonite microparticles and pet restricts the motions of pet molecular chains, developing " the special continuous network structure " and effectively prohibiting the thermal shrinkage of pet fiber

    此外，蒙脫土的添加也有效地提高了纖維的熱尺寸穩定性，我們認為這可能是由於片層結構的蒙脫土在pet基體中類似分子網路交聯點，起到了應力支承點的作用，使分子網的連續性和完善程度變好，有效抑制了纖維的熱收縮。
  3. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明：通過對rpc各組分摻量變化的研究，可以找到rpc的最優配合比；試件成型后的熱養護制度對rpc的性能影響巨大； rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況，剛纖維的摻入可以大幅改善rpc的韌性； rpc在成型后存在較大的收縮，而其中的化學收縮要遠遠大於乾燥收縮； rpc具有很強的抗氯離子滲透性能，漿體的密實度很高；通過x射線衍射實驗，可以發現rpc的膠凝體中ch晶體已經幾乎不存在，膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件，酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用，但是機理各有不同。
  4. The thermal stress of ceramic regenerator resulting from its temperature difference and restricted extension and contraction has been calculated and analyzed, the result provides a theoretical basis for design and operation of high temperature air combustion system

    對于由溫度分佈不均勻，陶瓷蓄熱體膨脹或收縮受限制而產生的熱應力進行了計算和分析，其結果為蓄熱式高風溫燃燒系統的設計及運行參數的選擇提供了理論依據。
  5. Plastics - heatshrinkable films of polyethylene, ethylene copolymers and their mixtures - determination of the shrinkage stress and contraction stress

    塑料.聚乙烯乙烯共聚物及其混合物的熱收縮薄膜.收縮應力的測定
  6. Plastics - heatshrinkable films of polyethylene, ethylene copolymers and their mixtures - determination of shrinkage stress and contraction stress

    塑料.聚乙烯乙烯共聚物及其混合物的熱可縮薄膜.收縮應力的測定
  7. Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details

    本文通過對兩種系統方案進行比較分析，確定了水環熱泵系統的基本方案，經過定性分析和設計計算，進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計，同時應用熱力學分析的一些基本方法，討論了如何評價熱泵系統的性能系數，並對電廠循環水余熱回收熱泵系統進行了（火用）分析，得到了熱泵過程（火用）效率的計算公式，建立了熱泵?熱機聯合機組優化模型，還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算，最後對熱泵系統進行了技術經濟分析和評價。
  8. The physical damage models of carbon fibers are established, which are matrix shrink stress damage model, thermal tension stress damage model, thermal bend stress damage model and thermal shear stress damage model

    由此建立了碳纖維的四種熱應力物理損傷模型，即基體體積收縮應力損傷模型、熱應力拉伸損傷破壞模型、熱應力彎折損傷破壞模型和熱應力剪切損傷破壞模型。
  9. The mechanism of physical damage of carbon fibers was clarified firstly. the precursor which attached on carbon fibers changes to inorganic ceramic under high temperature with large volume shrinkage which appearing at cracks with fiber traction and the cracks are mainly vertical to fiber axis. because of mismatched coefficients of thermal expansion, carbon fibers suffer multiple thermal stresses and are damaged

    首次探明了碳纖維熱應力物理損傷機制，即碳纖維表面附著的先驅體在高溫下無機化形成陶瓷體，同時伴隨著大的體積收縮，在碳纖維的牽引下，基體的體積收縮以開裂形式出現，裂紋的取向以垂直於纖維軸向為主，由於碳纖維與基體熱膨脹系數失配，致使碳纖維在降溫過程中受到復雜熱應力，引起碳纖維損傷。
  10. At some point, the density and temperature at the center of the cloud of gas will be high enough to ignite the nuclear fusion. the energy produced by the fusion will create two kinds of outward pressure to act against the gravitational attraction

    隨著恆星不斷收縮，核心氣體的溫度及密度亦不斷上升，直至燃點起熱核反應，所產生的能量會造成兩種向外的壓力，對抗向內的萬有引力。
  11. ( 6 ) the validity of control methods of crack has been verified by using engineering instances. on the basis of the researches mentioned above, some crucial conclusions are acquired as follows : ( 1 ) during construction, the cracks in beams and girders were caused by the drop of temperature and by the difference in the inside and outside temperature. the crack in slab was caused by shrinkage due to the loss of water

    通過上述研究工作得出了一些重要的成果： （ 1 ）在施工階段，大面積現澆樓蓋結構主次梁的裂縫由溫度降幅和內外溫差引起，板的裂縫主要由失水收縮引起； （ 2 ）在施工期，由水化熱引起的應力主要分佈在主次梁中，板中應力較小。
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