次要應力 的英文怎麼說

中文拼音 [cìyāoyīnglì]
次要應力 英文
secondary stress
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 要 : 要動詞1. （求） demand; ask2. （強迫; 威脅） force; coerceⅡ名詞（姓氏） a surname
  • 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...
  • 次要 : less important; secondary; subordinate; minor; next in importance
  1. To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered

    摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律，進行了3根連續梁模型試驗，分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。
  2. After molting three times, the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action. this is known as the inversion state, the fry being suspended upside - down in the upper middle region of the pond water. this is, therefore, also called the " inverted suspension phase "

    眼幼蟲脫第三次即進入糠蝦期幼蟲期mysis stage ，此期之體形已略成蝦之狀態，且具特有之游泳姿態，即頭部及尾部均向下，成一直角彎曲而時作向後跳躍游動，又因成倒立狀態，懸浮於水中的中上層，又叫倒吊期，此期幼蟲對外界的環境因素，如水溫鹽分等變化，比前兩期來得更具適應力，主要餌料為豐年蝦brine shrimp的幼蟲，但其他大小略同的動物性浮游生物，如橈腳類copepoda輪蟲類rotifera均可。
  3. Many computational results were obtained and can provide the inner hemodynamic situation at each moment of the cardiac cycle and each specified position of the coronary bifurcation for learning the severity of the atherosclerosis in the coronary artery. the hemodynamical variables and the visible flow condition can be shown

    為了突出研究重點，本文的主要工作集中在人們最為關注的流場與剪應力的模擬求解、分析處理上，而對于速度和二次流的結果也一併得出。
  4. The concrete is subject to high compressive stresses and these are generally greatest when the prestressing is first applied to the concrete.

    這種混凝土要承受高的壓縮應力，而壓縮應力一般在混凝土初次施加預應力時最大。
  5. The pre - stressed inferior torque to the structure stress influence, exists to the entire stress stage, it to the structurestress antisymmetry effect is quite explicit, especially the opposite side king post is turned the influence

    摘要預應力次扭矩對結構受力的影響，存在於整個受力階段，其對結構受力的反對稱效應是比較明確的，尤其對邊主梁的受扭影響。
  6. The paper analyzes the occurrence regularity of rock burst of about 263 times in laohutai mine field by database, the osculating relations of rock burst and active faults were summarized

    摘要應用數據庫對老虎臺井田其發生的263次沖擊地壓之統計分析表明，巖體動力現象與活動斷裂有密切關系。
  7. Therefore, our fire should be directed mainly against them and only secondarily against the idle chatter about quick victory

    所以我們的火力，應該主要地向著亡國論和妥協論方面，而以次要的火力，反對空談主義的速勝論。
  8. Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation, which would inevitably induce some excessively large load on the base of arch, therefore, larger load - bearing capability in the is " foundation is a must. on the other hand, smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel

    特大跨超淺埋隧道拱部結構過于扁平，開挖后發生二次應力分佈，拱腳處的應力過大，要求有較大的地基承載力，拱腳開挖時必須採用光面爆破，保證圍巖的完整性和不受擾動，開挖后及時封閉，防止該處積水軟化圍巖。
  9. Research interest : isolation of functional genes with agronomic importance ; stress responsive regulation, posttranscriptional rna processing, carotenogenesis regulation and crop yield and quality improvement

    主要致力於植物功能基因分離、逆境應答和次生代謝與品質發育的分子調控機制及轉基因生物安全評價等研究工作。
  10. Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained

    已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用，難以解釋珠光體材料何以具有較好的綜合力學性能，因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性，使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來，進而為材料微結構的設計提供依據。
  11. Postmodernist perspective of student thinks, student is the creative being, education should esteem student ' s creation, develop student " creative potential, protect student ' s creative ardor, develop student ' s creative ability, the highest idea of quality education is to develop student ' s creative ardor and student ' s practical ability, student is original being, education should esteem student ' s multi - aspect differences, remove all kinds of discrimination, listen to different voices, especially, the voice of disadvantageous groups, concerns students on minor status or the edge ; student should become sustainable developmental human, education is an enterprise to develop human ' s potential

    后現代主義學生觀認為：學生是創造性的存在物，教育應尊重學生的創造，開發學生的創造潛能，保護學生的創造熱情，發展學生的創造能力，素質教育的最高理想是培養學生的創造熱情和實踐能力；學生是獨特性的存在物，教育應尊重學生的多方面差異，要清除教育中的各種歧視，主張傾聽不同聲音，特別是弱勢群體的聲音，要關注處在次要或邊緣地位的學生（如落困生、少數民族學生、殘疾青少年等等） ；學生應該成為可持續發展的人。教育是開發人的潛能的事業。
  12. According to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ), the designs of several new instruments, i. e. two cold neutron guides ( cng ), one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ), have been simulated and optimized using monte - carlo simulation softwares, mcstas and vitess, first. requirement on the size of the cold neutron source ( cns ) by cngs has been also studied. the results of this thesis have provided essential data as a basis of the neutron instruments designs

    本論文結合當前中國先進研究堆（ chinaadvancedresearchreactor ， carr ）中子散射工程譜儀建設的迫切需要，選擇國際上廣泛使用的通用中子散射譜儀模擬軟體mcstas和vitess作為模擬研究工具，首次對若干臺新建譜儀的設計方案進行了全面的模擬和優化研究，包括兩條冷中子導管、中子應力衍射儀和高分辨中子粉末衍射儀，並配合冷源設計研究了導管對冷源尺寸的要求。
  13. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源（ chinaspallationneutronsource ， csns ）工程概念設計的迫切需要，選擇國際上廣泛使用的基於蒙特?卡羅方法，用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具，首次對csns靶站進行了全面的模擬與優化，內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積，同時計算了靶的溫度場與應力場分佈。
  14. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  15. Based on the structure and engineering properties, combined with the distribution rule of net foundation stress, it could better reinforce artificial soil with gravel pile and dynamic compaction

    摘要根據湖區填土的層次結構和工程特性，結合地基土中附加應力的分佈規律，採用碎石樁強夯聯合法能起到較好的加固效果。
  16. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  17. The optimization design model and solution made designing of multiple pre - stress steel structure be based on theoretical research, which overcame the shortcomings of establishing the value of pre - stress through trial and error and experience. it has instructive importance on optimization theory and important value in practice, and prepared for the optimization design theory of pre - stress steel structure based on reliability

    本文提出的多次預應力鋼結構設計模型和解法，使多次預應力鋼結構設計建立在系統的優化理論基礎上，克服了已有工程實踐中通過多次試算，按經驗來確定預應力值的弊端，對預應力鋼結構的工程實際應用具有重要的理論指導意義和工程應用價值，也為進一步研究預應力鋼結構的可靠性優化設計奠定了基礎。
  18. This paper analyses multi - stage pre - stressing and different parameters produce the impacts to static and dynamical behavior of the structure by theoretical calculation and experimental research. the conclusion can provide reference to static and seismic design of arch truss string structure. the main issues in the paper are : the multi - stage pre - stressing loading experiment is studied in this paper

    本文通過理論計算和試驗研究分析了多次張拉預應力、參數設置對張弦拱桁架結構靜力、動力性能的影響，主要完成了以下幾方面的工作:進行了模擬施工過程中的多次預應力加載試驗。
  19. Pre - stressed steel structure, a new kind of structure in which combined pre - stress with steel structure, can take full advantage of the elastic strength of steel, and multiple pre - stressed steel structure can repetitively make full use of the elastic strength of steel, thus it can enhance the structural capacity and further improve the rigidity of structure, proving that it is more economic than single pre - stress. therefore, it is both theoretically and practically important to conduct in - depth research on multiple pre - stressed steel structure

    預應力鋼結構是一種將預應力與鋼結構相結合的新型結構，預應力鋼結構通過施加預應力以充分利用鋼材彈性范圍內強度，而多次預應力鋼結構可以反復利用鋼材彈性范圍內極限強度，提高結構承載能力並進一步提高結構剛度，比單次預應力具有更好的經濟效益，因此，對預應力鋼結構進行深入研究具有重要的理論意義和工程應用價值。
  20. Its effect factors are investigated by numerical examples in this thesis, which can provide reference on design and research of twice - pretressed continuous beam

    另外通過數值計算的方法，研究了影響這種內力重分佈和應力重分佈的主要因素，為二次預應力連續梁這一新型結構的設計和研究提供參考。
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