external stress 中文意思是什麼
external stress
解釋
外部應力-
The effect of external betaine on membrane lipid peroxidation of wheat seedling under water stress
外源甜菜堿對乾旱脅迫下小麥幼苗膜脂過氧化作用的影響 -
Through experiment study of tank model under prestress, water pressure, temperature action, external loads, and coactions of all the loads, stress characters of various parts of concrete tank are analyzed
通過大量算例，對構件組合和變溫差異對熱應力的影響問題進行了分析。並根據分析結果提出了一種新的罐體結構型式。 -
Being lacking of understanding of behaviors of circular working shaft, the paper proposed theory about ring - beam ' s load - distribution calculations and analyzed the structural behavior of circular working shaft ( cws ) by the numbers from the standpoint of properties of structural style and stress incorporated with thoughts of shared load introduced to research of cws. first, regarding cws as structure of series of hypothetic horizontal circular rings and vertical beams, and considering cws ' s formation and development, the paper proposed load - distribution thoughts to solve cws ' s calculations. ring - beam calculation theory was put up and software cbtlmp1. 0 was worked out based on the conditions of external applied load shared by rings and beams, and of deformation conformity
首先，本文提出用分載思想解決圓形工作井結構的計算分析問題，將圓形工作井結構看成是由一系列的假想的水平圓環和豎直梁組成的結構，考慮工作井形成過程及形成階段與項進階段的連續性，根據某一時刻相對于上一時刻外載增量由環與梁分擔、環與梁在交叉處變位增量一致的條件將環計算理論與梁計算理論結合起來，據此建立了環?梁分載計算理論並研製了環?梁分載計算分析軟體cbtlmpv1 . 0 。 -
Stress variation research of external tendons under live load in simple beam bridges
簡支梁橋體外預應力筋受活載作用的應力變化 -
Calculation methods for the ultimate stress and effective height of external prestressing tendons
體外預應力筋極限應力和有效高度計算方法 -
An important step in structure design is the calculation of the ultimate flexural strength of external prestressed concrete beams, which needs to calculate the ultimate stress increment of external tendons first
結構設計的一個重要環節就是極限承載力計算，而計算體外預應力混凝土梁的極限承載力就必須求得梁在破壞時的體外筋應力增量。 -
The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter
本文首先從梁極限狀態下的變形入手，將塑性鉸區看作純彎段，將塑性鉸以外的區域看作剛體，按照體外預應力筋的形狀不同，分工程中最常見的三種體外結構形式，即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁，研究體外預應力筋變形和梁體的變形間的關系，推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式，並進一步求得梁的極限承載力。 -
Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results
利用虛位移原理和更新的拉格朗日方法，導出了大位移彈塑性梁單元剛度矩陣的顯式表達式，在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響，剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響，是因為本文認為，保持平衡所需的所有應力，它們各自的二階效應會相互抵消，因此忽略其中的任何一項都可能導致不正確的結果。 -
In these transition periods, the digestion system is not well developed yet and is very sensitive to any change in their digestion systems. this stress - related indigestion can eventually lead to death. the stress is easily induced in the above mentioned two stages because zoea begins to take external food since the yolk in its body has been consumed during the nauplius stage
，是由多種酵素，黃蓮黃柏抽出物的綜合體，能迅速安全的分解殘餌，解決污泥產生，免除亞硝酸及阿摩尼亞所造成的生理緊迫，更因為神奇的酵素作用，能幫助蝦苗腸道的正常機能，避免蝦苗初飼食物或改變飼料的生理緊迫消化不良而導致死亡。 -
At the beginning, researchers lay particular stress on the study of business strategy, but now, along with the enlargement of the size, increase of administrative levels, and the acute changes of the external environment, the enterprises more and more concern the formulation of the development strategy, because if without scenarios, the enterprises only rely business success on intuition strategy, the cost caused by missteps will be greater and greater, and even can bring terrible economic breakdown. in order to avoid these crisis and to build their permanent core competencies in a queasy environment, the enterprises are urged to think much of the study of the development strategy
以往，戰略管理研究多偏重於經營戰略研究，而近年來，由於企業規模日益擴大，公司管理層次增加，外部環境的急劇變化，企業越來越多地關心企業發展戰略的制訂了，因為如果沒有發展戰略，企業僅依靠直覺戰略獲得成功的話，由於過失帶來的風險、錯誤帶來的代價會越來越大，甚至造成經濟崩潰，促使企業領導更加重視發展戰略研究，以使他們的企業在愈加變幻多端的經營環境中保持競爭力。 -
However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading
最後，針對外載與自重共同作用下，傳統光彈性分析法中採用離心力場模擬重力場獲得自重應力的試驗投資耗費大、技術復雜且難度大和不安全等嚴重缺點，按照結構相似的模型理論，本文提出模型外載與自重並存變動外載的光彈性分析法，導出處理這個問題具體的相似律和試驗原理及方法，進行了典型實驗驗證，指出僅用外載作用的模型試驗，即不用離心力場模擬重力場的模擬試驗，就可以獲得上述兩種載荷共同作用下的應力分析結果。 -
Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。 -
These external pressures - such as sudden severe stress or physical exertion - can be a factor in up to 40 per cent of heart attacks
那些外部壓力，如突然的巨大的壓力或運動過度在心臟病突發誘因中佔到了40 % 。 -
The solutions include : the unit normal vector of the elastic - plastic boundary near the crack line, the elastic - plastic stress fields near crack line, law that the length of the plastic zone along the crack line is varied with an external loads, the maximum lengths of the plastic zone, the bearing capacity of a finite plate with an eccentric crack loaded by shear forces
這個解包括：裂紋線附近彈塑性邊界上的單位法向矢量，裂紋線附近的彈塑性解析解、最大塑性區長度、裂紋線上的塑性區長度隨荷載的變化規律及其承載力。 -
Stress decreases rock seepage character in elastic stage, while erosion damage increases it. under some conditions, the influence of stress to seepage may be shielded by erosion damage. obtaining the distribution of seepage field, tunnel external water pressure can be calculated in two ways : 1
高應力使裂隙閉合，一般是降低巖體的滲透性，而水化水力損傷則增加巖體滲透性，在腐蝕損傷發育到一定階段，應力對滲透性的這種影響則可能會被屏蔽。 -
Stress is laid on the internal factors and external environment
重點分析了制約西部地區民營企業發展的內部因素和外部環境。 -
Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels
接著，本文在深入研究工程區高外水壓力及高地應力分佈規律及巖體特性的基礎上，建立起高地應力、高外水壓力作用下隧洞圍巖結構非線性有限元模擬計算模型，然後考慮隧洞的開挖過程、水荷載的作用歷史，通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和塑性區的關系。 -
- is highly susceptible to external stress. - what ? what
-是很容易出事的-什麼 -
Is highly susceptible to external stress. - what ? what
是很容易出事的-什麼 -
By northern and western blot analysis, we examined expression pattern of vfcpk1 in different parts including roots, stems, leaves, mesophylls and epidermal peels in broad bean at mrna or protein levels, and effects of different external stress treatments on vfcpkl
通過northem和westernblot分析，我們研究了蠶豆鈣依賴蛋白激酶vfcpk1在蠶豆不同部位包括根、莖、葉、葉肉和下表皮中的mrna和蛋白質水平上的表達情況以及不同外界脅迫處理對vfcpk1表達的影響。
分享友人