stress of a body 中文意思是什麼

stress of a body 解釋
體應力
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  • of : OF =Old French 古法語。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時,冠以不定冠詞主要表示類...
  • body : n 1 身體,體軀,肉體;屍首;軀干,【林業】立木。2 本體,主體;主力;本文,正文;部分。3 (衣服的...
  1. A body is said to be in a state of plane stress or alternatively in a two-dimensional or biaxial state of stress.

    據稱該物體處于平面應力狀態或二維應力狀態或雙軸應力狀態。
  2. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在靜水和動水中的穩定性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗測定了浮箱門動水運行時的受力情況,給出並分析了定位過程轉動力的變化過程曲線;根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩定上浮的原因,並給出解決方案。
  3. Two numerating methods are used in traditional structural design of gate chamber. first, considering the gate frusta to be fastened on the weir body, it is calculated as plane stress problem independently. then applying the results ( moment and vertical force ) on the bottom of gate frusta as concentrating load on the weir body, and the weir body is viewed as a elastic foundation beam or plate and unilateral stress analysis was performed

    傳統閘室結構計算有兩種計算方法,其一是將閘墩視為固端于堰體上,單獨進行閘墩平面受力計算,再將閘墩下部的計算結果(彎矩和垂直力)作為集中荷載作用於堰體上,堰體作為彈性地基梁或板進行片面應力計算。
  4. A state of stress should always be described as triaxial since any body is three-dimensional.

    因為任何物體都是三維的,故應力狀態總應按三向來討論。
  5. Abstract : factors causing the failure of the rod string in a screw pump well include rod with minor od being used , defects in the rod body produced in manufacturing and service , excessive torque caused by plugging and reactive torque on the rod string , and excessive shearing stress on the rod thread

    文摘:造成螺桿泵採油井抽油桿桿柱斷裂、脫扣和擼扣的主要原因有桿體外徑選擇偏小,桿體製造或使用過程中產生缺陷,堵塞扭矩過大,反扭矩大於螺紋聯接扭矩以及抽油桿螺紋牙受剪應力過大等。
  6. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據,探討一個下部有軟弱基座,上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題,揭示這類邊坡的變形總是以下部軟弱巖體的不均勻壓縮流變為先導,進而引起上部硬脆性坡體的拉裂與傾倒,最終通過滲入水的作用,使下部承載狀況已進一步惡化了的軟弱巖體,沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。
  7. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,得到了含多裂紋有限大板在任意載荷作用下應力場的級數解,並應用斷裂力學方法確定裂紋尖端的應力強度因子;引入當量屈服應力考慮裂尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響;通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律,得到了一系列對工程應用具有實用價值的結論。
  8. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  9. In one of the countries she visited, master and some initiates most of whom were lay disciples went to a theater. i had been a monastic disciple for less than one year at the time and thought that master needed to reduce stress in mind and body by rest and recreation just like most ordinary folks

    還有一次在1989年,師父第一次公開出國弘法,在其中一個國家,師徒一群人大部份是在家眾去看戲,那時我出家還沒一年,以為師父也像一般人一樣,需要調劑身心。
  10. A number of drugs and herbs can affect the body s ability to regulate body temperature during exercise or under environmental heat stress

    一些藥物及草藥能影響身體在運動或高溫環境下調節體溫的能力:抗膽
  11. Melatonin has a simple chemical structure, but it plays a decisive role in bodily functions, monitoring the work of the glands and organs, and regulating hormone production. it also controls over - stimulation of the sympathetic nerves to lower blood pressure and slow the heart rate, thus reducing the impact on the heart. it also alleviates mental stress, improves sleep, adjusts the body s biological clock, relieves jet lag, strengthens immunity, increases the body s resistance to germs and viruses, and prevents cancer and senile dementia

    褪黑激素的化學結構非常簡單,但是在人體內卻具有舉足輕重的作用:它監視著體內各種腺體器官的運作,指揮各種荷爾蒙維持在正常的濃度它可以抑制人體交感神經的興奮性,使得血壓下降心跳速率減慢降低心臟負擔它能夠減輕精神壓力提高睡眠品質調節生物時鐘緩解時差效應,而且具有加強免疫功能抵抗細菌病毒及預防癌癥老年癡呆癥等多種疾病的功效。
  12. A stressor is anything in the environment that knocks the body out of homeostasis, and the stress response is the array of physiological adaptations that ultimately reestablishes balance

    所謂的壓力源,指的是使身體偏離恆定狀態的任何環境因子,而壓力反應則是一系列的生理適應,終究將重建身體的平衡狀態。
  13. Delay is obvious in large body because of its inertia, moment force, stress and gearing. transfer of electical cell increases the delay. this paper points out that the delay can be compensated by using the smith control algorithm. the result of computer emulation proved that a better quality is gained by using the algorithm on heavy nc machine

    大慣量物體,由於其慣性,加之傳動鏈長,所需的扭矩大,引起的應變大,加上電氣轉換元件的滯后,故滯後效應明顯.該文提出用史密斯控制演算法將滯后進行補償.計算機數字模擬結果說明,對大慣量有滯后的重型數控機床,應用該演算法能得到較好的控製品質
  14. An effort to engineering plants with elevated aba levels and subsequent stress tolerance has been shown that 9 - cis - epoxycarotenoid dioxygenase ( nced ) is a key enzyme in abscisic acid biosynthesis under drought - stressed conditions. plants overexpressing nced showed an improvement in drought tolerance. however, plants maybe have not good growth with too high level of aba in the plant body

    目前通過提高aba水平來提高植物的逆境脅迫耐力的研究表明9 ?順式環氧類胡蘿卜素雙加氧酶( nced )是乾旱脅迫下aba合成中的關鍵酶,並且超表達nced基因可以提高植株的抗旱性;但是如果植物體內積累過多的aba可能會對植物生長造成不良影響。
  15. The fem results indicated that as to the rough surfaces in sliding contact, the value of the contact pressure was very high which coursed a high value of the heat flow rate, meanwhile the sliding time was not enough for the frictional heat to transfer, thus the highest value of the body temperature occurred just on the sliding surfaces, which possessed a sharp thermal gradient in direction perpendicular to the sliding surface. so the great thermal stress was caused just by the sharp gradient and the thermal elastic distortion with which the contact pressure changed occurred simultaneously, thus this change of the contact pressure would affect the temperature distribution in return

    對于相對滑動的粗糙表面,因實際接觸面積小而導致接觸壓力很大,這樣使得熱流密度會很大,同時由於滑動時間很短,熱來不及傳導,最高溫度發生在摩擦表面,在垂直於摩擦面的方向有很大的溫度梯度,使得熱應力很大,且最大應力發生在表面,同時產生熱彈性變形,這種變形使得接觸區域內的壓力分佈發生變化,這種變化又反過來影響了接觸區域的溫度分佈。
  16. If you practice a relaxation technique each day for two weeks, you can teach your body to relax in response to stress, circumventing the release of stress hormones that increase tension

    如果你每天做一套放鬆操並堅持兩周,你就能讓你的肌體在面對壓力時得到放鬆,並遏制住會導致壓力增加的緊張型荷爾蒙的釋放。
  17. A report by the independent regulatory body suggests that children learn best without the constant stress of examinations

    獨立管制機構的一份報告指出,孩子們在無持續考試壓力的情況下學習效果最好。
  18. In quantitatively analysis including process of loading and stress distribution along the body of a chimney, load of blasting vibration induced by the forming of blasting cut was analyzed and the premature rupture of upper chimney was certainly affected by it

    將ansys5 . 7瞬態動力學分析引入爆破動力計算中,定量分析研究了在切口形成時的爆破振動荷載下,整體結構受力過程及應力分佈規律。
  19. In this thesis, the strain - hardening model of contact surface layer, the numerical theories and computational methods for shakedown analyses of contact body are systematically studied and applied to the aero - gear. the mentality is that the effects of the surface hardening and contact fatigue on contact surface layer under cycle contact loading are investigated by using shakedown analysis methods considering in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations

    在國家「航空基金」 、 「總裝預研基金」等課題的資助下,本文以接觸體安定分析與接觸表面層疲勞裂紋萌生壽命預測一般演算法研究為手段,深入、系統研究了接觸體安定分析的數值理論和計算方法,全面研究了影響航空齒輪表面強化層失效的原因並提出了齒輪表面強化層裂紋萌生壽命的預測方法。
  20. For the complete specification of the stress in a body it is necessary to know the stress components at each point of it.

    對物體內應力作完全說明,必須要知道物體內每一點上的分應力。
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