附隨應力 的英文怎麼說
中文拼音 [bùsuíyīnglì]
附隨應力
英文
contingent stress- 附 : Ⅰ動詞1 (附帶) attach; add; enclose 2 (靠近) get close to; be near 3 (依從; 依附) agree to; ...
- 隨 : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
- 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...
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The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased
本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation
針對以上問題本文做了以下一些工作並得到若干結論: ( 1 )提出了「復合雙層地基」的概念,並通過工程實例證明此概念的提出有其合理性和必要性; ( 2 )用彈性地基梁理論證實了復合雙層地基確有應力擴散效應,且擴散效應隨上覆硬層厚度、剛度的增加而增大,隨下臥層基床系數的增大而減小; ( 3 )建立了非線彈性、各向異性有限元模型,並以此為基礎分析了復合雙層地基的應力擴散效應,得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論; ( 4 )推導了可用於常規計算的復合雙層地基應力擴散系數公式,並代入工程實例進行了驗證。It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed
)的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。Deluxe set meal accommodates with continental buffet : hot dishes, cold dishes, soup, bread, beverage bar, fresh fruit, dessert, chocolate fondue
隨主菜附歐式自助餐:熱食冷食湯品麵包飲料吧甜點水果巧克力噴泉無限量供應,平價享用高級的美食饗宴When human serum albumin was adsorbed on the surface of au electrode or c12sh modified au electrode, different conformations were resulted and the processes of binding vepesid were also different. the corresponding kinetic parameters were obtained by fitting the response curves. the values of heterogeneous standard charge transfer rate constant for fe ( cn ) 637 fe ( cn ) 64 were obtained from the cyclic voltanimograms and the electrochemical impedance spectroscopy, and the electric double layer capacitance was calculated from the impedance semicircle
當在金電極及修飾了十二烷基硫醇的金電極表面吸附時, hsa以不同結合部位結合導致其吸附后的空間構象存在差異,在隨后的與足葉乙甙給合過程中表現出了不同的結合行為,並擬合了相應的動力學參數。The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle
研究了地球在日月引潮力和表面負荷作用下的形變特徵,數值計算結果表明,在固體內核中的形變很小,由於在長周期核模本徵頻率附近的共振,液核中低階( n 10 )位移隨半徑的變化非常復雜,當負荷階數超過10時,地核中的形變和擾動位都很小,地球的響應主要表現為彈性地幔中的徑向位移,且隨深度增加急劇減弱,地表負荷love數與信號頻率的依賴關系很弱,給出了體潮love數計算的一種有效的近似處理方案。7mpa / km in the center of the zone ( 6 ) in the hot dry rock geothermal energy extraction system, after the system start to operate, the normal stress of crack show the pronounced influence depending on the temperature ' s change in a month, there are a marked drop in temperature nearby the injection well, forming a lower stress area, with the heat extraction, the temperature ' s change even gradually, but the temperature descend quickly nearby the production well, forming a new lower stress area
( 6 )高溫巖體地熱開發中,裂縫面法向應力受溫度變化的顯著影響,在系統開始運行的一個月內,注入井附近區域其溫度降低較快,形成低應力區;隨開采時間的延長,其溫度變化逐漸平緩,而生產井附近區域溫度降低加快,逐漸形成新的低應力區。Detailed contrastive simulation tests of four - phase and self - optimalizing abs control have been made and applying effects of self - optimalizing control are discussed, which establish stable principle foundation for self - optimalizing control applying to realistic abs controller. from the simulation results we can find that : automobiles which install self - optimalizing abs apparatus lock on the any road surface only when the vehicle body velocity and wheel velocity arrive at zero approximately, which is better for improving driving stability under braking. it shows anti - lock ability of self - optimalizing ; slip ratio approximates and surround the desired slip, which shows that this abs system uses fully road surface performance and retains large adhesion and braking performance is good ; braking force regulates with varies of road condition, which realizes road self - identification
通過模擬試驗可以看出:在各種路面上,汽車在安裝了自尋優防抱制動裝置后,在車速、輪速接近為0時才抱死,這對提高汽車制動時的操縱穩定性特別有利,顯示了自尋優避免車輪抱死的能力:滑移率的值基本上一直接近並且圍繞著與路面附著系數相對應的滑移率上下變化,說明了該系統充分利用了路面性能,基本上保持了較大的附著力制動,制動性能較好;制動力隨著路面條件的變化而相應做出調整,實現了路面自動識別的功能。Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果基本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。The results can be summarized into the following aspects : molecular dynamics study of liquid - vapor interface shows that the planar liquid - vapor interface at macroscopic level is in fact a wavy surface fluctuating with time, and the length scale of the fluctuating region of the wavy surface is the thickness of the liquid - vapor interface. with speckle laser visualized experiment, the fluctuation of the interface can be verified qualitatively. moreover, md simulations indicate that in the liquid - vapor equilibrium system, there exists a local non - equilibrium region near the interface
主要研究成果歸納如下:對汽液界面進行了分子動力學研究,揭示出宏觀尺度的平界面在分子尺度上是隨時間起伏漲落的曲分界面,分界面的漲落區域就是汽液界面的厚度,相應的激光散斑實驗也定性地證明了界面漲落區的存在;研究還發現在汽液平衡體系中,界面附近存在局域熱非平衡區域,並指出了其可能的原因及影響。The loading effects of the atmosphere are the sum of the direct effect, which comes from its newtonian attraction to any point on the surface or within the interior of the earth, and the indirect effects, which is induced by the earth ' s deformation and additional gravitational potential arising from redistribution of the mass because it can be regarded as the surface loads. they are traditionally expressed as the convolution integration of the atmospheric green ' s function, which is virtually the sum of the elastic and gravitational green ' s functions, and the measured values of the barometric pressure on the earth ' s surface over the globe
隨著現代大地測量技術和數據分析手段的日益提高,大氣對各類物理場地表觀測的負荷影響必須予以考慮,大氣的負荷效應為直接效應(大氣對地球表面及內部點產生直接吸引)和間接效應(大氣作為表面負荷作用於地球,導致地球的彈性形變和內部質量的重新分佈,產生附加位)之和,習慣上表示為大氣格林函數(彈性項和直接引力項格林函數之和)和地表氣壓觀測值的全球褶積積分A bearing surface transmits the interaction between an arch dam and its foundation, the strength of which directly affects the constraint of the bedrock to the dam, and thus affects the stress and deformation of the dam. the influence is studied in this paper with nonlinear finite element method, as an example, for a high arch dam in design. the results show that the influence on stress is only limited within the local area near the bearing surface, larger on the maximum principal tensile stress than on the principal compression stress, and the decrease of the strength does not cause unlimited increase of the maximum stress. the influence on the displacement of the top of the dam is smaller than that of the bottom of the dam, especially the relative downstream displacement. at the lower strength of the bearing surface, the relative downstream displacement at the bottom of the dam increases with the decrease of the strength
建基面是傳遞拱壩和基巖相互作用的紐帶,它的強度直接影響基巖對壩體的約束,從而影響壩體的應力和變形.採用非線性有限單元法,以設計中的某高拱壩為例,分析建基面強度對壩體應力和變形的影響.結果表明建基面強度對壩體應力的影響僅限於建基面附近的局部范圍,對最大主拉應力的影響要大於對最大主壓應力的影響,建基面強度的降低不會無限地增大壩體的應力數值;建基面強度對壩頂位移的影響較小,但對壩底位移(尤其是順河向相對位移)的影響較大,當建基面強度較低時,壩底順河向相對位移隨建基面強度的降低而增大The third partition : the theory basis about perfecting stranger by contract law in the partition, author firstly research honest and credit, just that honest and credit is suitable cordially in the theory and trial, people analyse contract ' s duty again
第三部分,契約對第三服護效力的理論基礎在這一部分,筆者順信原則入手。正是由於誠信原則的靈活應用,才導馴門對契約責任的重新再認識,使附隨義務的觀念深入人。A predigested car model and a reasonable bridge model were presented after the bridge structures and the colliding characters were analyzed. the stress and the displacement of the concrete, bar, pre - stress bar changing with time were presented. the stress of the whole bridge at the time of the contact and the deformation of the whole bridge at the end of the contact are obtained
採用美國ansys公司的有限元軟體ansys ls - dyna對碰撞過程進行數值模擬分析,得到了撞擊點附近混凝土、普通鋼筋以及預應力鋼筋的應力及位移隨時間的變化規律,同時得到了全橋在碰撞后瞬間的應力分佈規律和碰撞結束前全橋的變形規律。The size of the zno nanocrystal grain was so little that the quantum confinement effect should be considered. that makes the band gap wide. atom transfer rate is affected by the substrate temperature, and the average size of the zno nano crystal grain increases with the increasing substrate temperature resulting in the red shift of pl emission position and the narrowness of pl fwhm
低溫生長的氧化鋅晶粒小,考慮到量子限制效應,禁帶寬較大;襯底溫度影響吸附原子遷移能力,隨著溫度升高,晶粒的尺寸增大,分佈變的均勻,因而發光峰位隨著襯底溫度的升高而紅移,發光的半高寬變小。New methods for noninvasively detecting pulmonary pressure and left ventricular end - diastolic pressure manometer that measures megative pressure in mmhg was connected with the examined subject through a mask. the manometer is a remodeled sphygmomanometer for routine peripheral arterial blood pressure measurement that is market - available. the examined subjects were asked to carry out muller maneuver slowly so that the intrathoracic pressure decreases gradually while the blood flow of the right ventricular outflow tract observed with pulsed doppler echocardiography at the parasternal short - axis view of the great vessels in the two - dimensional echocardiography
肺動脈壓和左室舒張末壓無創測定新方法隨機選取有肺動脈瓣返流受檢者,根據我們提出的假說,人為地降低胸內壓(附加胸腔負壓) ,當降到肺動脈內壓力等於或小於右室壓時,肺動脈瓣即可開放,用多普勒超聲心動圖法可以探查到肺動脈瓣上的前向血流,此時的肺動脈壓應該為附加胸腔負壓的絕對值加上右室壓。To activate carbon products, with the reaction pressure increasing, bulk density lowered, iodine number and methylene blue adsorption increased, specific surface area and pore volume increased and more micropores were formed
隨著反應壓力的提高,活性炭產品的堆比重降低,碘和亞甲藍吸附值提高,比表面積和孔容提高,形成更多的微孔結構。Among patients who underwent stroke rehabilitation, the difference in pooled random - effects for motor impairment between those who also received acupuncture and patients who did not was only 0. 06
下,附加針灸與不附加針灸對患者在肌力恢復的綜合隨機效應值( pooledrandom - effects )只相差0 . 06 ,差異很微。The results show : ( 1 ) the light compensation point and light saturation point of s1 s2 and s3 were in range of 12 ~ 27 mol / m2 s and 180 ~ 360 mol / m2 s, respectively, and they changed with the irradiance. ( 2 ) both light compensation point and light saturation point of s1 were higher than those of s2 and 83, and s1 showed greater capability against high irradiance than s2 and s3. ( 3 ) the optimal temperature of the three strains were 25, 35 and 30, respectively, and they had temporal effect. ( 4 ) respiratory rate rose as the temperature rising, and at about 40, it reached the peak
結果表明: ( 1 ) s _ 1 、 s _ 2 、 s _ 3的光補償點和光飽和點的變化范圍分別為12 27 mol m ~ 2 ? s和144 360 mol m ~ 2 ? s ,二者可隨光照環境的變化而變化,其中s _ 1的光補償點和光飽和點均高於s _ 2和s _ 3 ,且表現出強于其餘兩個藻種的抵禦強光輻射的能力; ( 2 )三個藻種的最適溫度分別為25 , 35 ,和30 ,具有時間效應; ( 3 )呼吸速率隨溫度的升高而升高,最大值出現在40附近;溫度低於25 , s _ 1的光合速率最高,呼吸速率最低,表現出很強的低溫適應性; ( 4 )螺旋藻的光合特性可隨光照環境的變化而變化,光強增強,可使螺旋藻的最適光照范圍增大,抵禦強輻射的能力增強; ( 5 )螺旋藻受到溫度脅迫時,其最適光照范圍變窄,對光強的敏感性增加。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。分享友人