膨脹應變 的英文怎麼說
中文拼音 [péngzhàngyīngbiàn]
膨脹應變
英文
dilatational strain-
According to this, the temperature field stress field and autogeny body - expand - deformation field of yangchun arch dam during construction arid operation period are analyzed, thus many significant conclusions are got for reference
由此，模擬分析了陽春拱壩施工期和運行期溫度場、自生體積膨脹變形場及應力場，得到了一些有參考意義的結論。The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section
在鋼管混凝土拱肋斷面上，鋼管對內填混凝土的環箍效應具有非均勻性，在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變；混凝土的收縮、徐變和膨脹混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈；並總結了其變化的基本規律。The reaction is slowed by a combination of depletion of the fissionable material and expansion of the core.
由於裂變物質的耗盡以及由於核心的膨脹，才使反應減慢下來。The only strain is a shear strain and the dilatation is zero, these waves are called shear waves.
唯一的應變是剪應變而沒有膨脹，這種波叫剪切波。Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。This paper develops a deterministic inventory model for perishable items with a mixture of back orders and lost sales under inflation and time discounting, where the backlogged demand rate is dependent on the negative inventory level during the stock out period. the main differences from the existing related models are that the present model takes the maximum present value of profit in a repeatable order cycle as the objective function and proposes a more practical constraint of maximum customer - waiting time to ensure a proper customer service level. then the existence and the uniqueness of the solution to relevant systems are examined and a solution algorithm is shown to find the optimal replenishment policy. at last, some numerical examples are presented to illustrate the applicatioh of the model
本文建立了一種考慮通貨膨脹與時間價值的變質性物品的庫存模型，在模型中允許短缺發生且拖后的需求速率與在缺貨期間已經發生的缺貨量有關.和已有相關模型的主要區別在於本模型把一個可重復的訂貨周期內的最大平均利潤的凈現值作為目標函數，且增加了在缺貨期間最長顧客等待時間的限制，以確保庫存系統擁有較高的服務水平.然後討論了模型最優解的存在性與唯一性，並提供了尋求模型整體最優解的演算法.最後用實例說明了此模型在實際中的應用In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction
本文利用常規直剪儀、三軸儀以及輕便固結儀，分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量，分別探求了外力約束對膨脹土強度的影響，不同飽和度膨脹土的總應力強度特性，干濕循環對非飽和膨脹土總應力強度的影響，飽和度與壓縮模量以及孔隙比的關系，干濕循環對飽和膨脹土有效應力強度指標的影響，廣義吸力與飽和度的關系，建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le
對于不同工質的冷藏集裝箱製冷系統，電子膨脹閥應該根據具體製冷劑的熱力性質選取；電子膨脹閥流量系數對孔徑和脈沖數比較敏感；在結構固定時，流量系數隨蒸發溫度的降低而升高，隨冷凝溫度的增加而增大，受過冷度變化的影響較小；電子膨脹閥的容量受孔徑影響最大。Cosmic expansion has got its groove back : once thought to be winding down, it is actually speeding up
宇宙膨脹也因此重獲律動：當你認為它應該變慢時，實際上卻變快了。Since all materials are subjected to expansion and contraction, " expansion joints " must be provided in any large structure to adapt to the change of temperature with the season, or even with day and night, otherwise the force of expansion would cause the structure to bend or break
由於所有的材料都要經受膨脹和收縮，在任何大的建築中都需要提供「伸縮接合面」 ，以適應隨著季節甚至晝夜的改變而產生溫度的變化，否則膨脹力就會引起建築彎曲或斷裂。Through the research of crosslinking of matrix resin, heating treatment of composite and mixing of different polymer, we draw some conclusions : 1 、 percolation theory can explain the phenomenon of the jump of resistance when the content of cb reach a critical volume ; 2 、 based on ohm conduct theory, abounded to the percolation the wbibull statistical theory and other theory, an adapted theory was obtained to explain the jump of resistance and the other phenomenon ; 3 、 the ntc phenomenon was eliminated by crosslinking the matrix of conductive composite, at the same time the stability of composite was improved
通過對基體樹脂的交聯、復合材料的熱處理、聚合物共混物的研究得出了如下的結論： 1 、滲濾理論能夠很好的解釋導電粒子含量達到某一值時電導率劇增的問題； 2 、在歐姆導電模型的基礎上，綜合應用了weibull統計理論模型，結合原來的體積膨脹等理論，成功的解釋了ptc復合材料在基體材料熔點附近的跳變問題、 ntc現象以及熱循環穩定性等問題； 3 、有機ptc導電復合材料經硅烷交聯以後能夠消除ntc現象，改善了導電復合材料的穩定性能。Thermal expansion and its evolution of c / sic composites have been studied by such analytical methods as thermal dilatometer and sem, based on thermal stress and micro structure evolution in c / sic composites. the influence of perform structures, heat treatment and interphase thickness on thermal expansion of c / sic composites has been analyzed
本文採用熱膨脹儀和掃描電鏡（ sem ）等分析手段，從材料界面熱應力的變化和微結構改變的角度，研究了c sic復合材料的熱膨脹系數及其隨溫度的演變規律，分析了其演變機理，以及編織結構、高溫處理工藝和界面層厚度等對復合材料熱膨脹行為的影響。This kind of steel is a casting material of p91, with the better performances of high temperature anti - oxidation, high - temperature creep rupture strength, t hermal conductivity and the lower performances of t hermal expansion. there is no casting in chinese
該鋼種為p91對應的鑄材牌號，材料具有良好的高溫抗氧化性能，較高的高溫蠕變強度、持久強度和韌性，低的熱膨脹性，良好的導熱性、加工性等特點。The addition of aluminum sulfate caused the chemical shrinkage of cement mortar to reduce a little, but induced net plasma self - shrinkage to grow into expansion. that reason was that ettringite was produced by reaction between aluminum sulfate and hydration products
硫酸鋁摻入水泥中，可以使水泥漿的化學收縮有少量的減少，但可以使水泥凈漿的自收縮改變為膨脹效應，這是因為其與水泥水化的生成物反應生成了鈣礬石。Temperature control and crack prevention of concrete - the simulation analysis characteristics of dams construction with mgo concrete, the theory apply " equivalent time " to the model for computing autogenous volumetric change of concrete which be relate to temperature history. it makes computing autogenous volumetric change of concrete be realized at case of arbitrary temperature history, so the problem puzzled engineer over a long period of time may be dispelled
針對溫控防裂的一項新技術?外摻mgo混凝土築壩技術的模擬計算特點，提出了應用「有效時間」理論，來考慮自生體積變形與溫度歷史有關的膨脹模型，使長期以來困繞工程界有關外摻mgo在任意溫度歷史下產生的膨脹變形的應力補償計算成為可能。A lateral restricted swelling constitutive relationship, in which the effect of water content and axial loading are considered, has been proposed. 5
建立了膨脹巖在側向約束，軸向加壓條件下側限膨脹應變與含水率、軸向荷載之間的關系。This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects ， definite their boundary conditions ， solute their temperature fields ， and then analyst their bear expansions and distortions as well as thermal stress distribute ， to control the courses ， and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine
本文對汽輪機轉子和汽缸的二維模型的進行分析，建立有限元模型；將汽輪機轉子和汽缸作為控制對象，確定其邊界條件，求解其溫度場，分析其熱膨脹、熱變形以及熱應力分佈；採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的溫度場實時在線監測程序，作為汽輪機壽命在線監測與管理系統的核心部分，用以指導汽輪機的啟停及運行過程，使機組可以安全的、經濟的運行。6. by using the lateral swelling constitutive relationship, foundation deformation of buildings at hongshanyao hydraulic engineering has been estimated and ground improvement methods have been suggested
應用本文建立的側限膨脹應變關系對南京市紅山窯水利樞紐部分建築物建成后可能出現的膨脹變形量進行了預測，並根據預測結果對該工程的地基處理提出建議方案。By using the testing data of laboratory test, field test, and tests of swelling rock of the nanjing meishan ferrous mine, the swelling constitutive relationship proposed in this thesis has been proved
用室內試驗、現場試驗以及南京梅山鐵礦膨脹巖側限膨脹試驗的數據對文中提出的側限膨脹應變關系進行了驗證。When a reducing valve is used, it makes a closed system ; therefore, a pressure relief valve must be installed in the downstream side of the regulator to protect equipment against excess pressure which is built up by the expansion of water from the domestic hot water supply tank or heater
如果採用減壓閥，將形成一個封閉系統；因此必須在調節閥的下游位置安裝一個壓力安全閥，以保護設備不會由於室內熱水供應容器或熱水器造成的水膨脹而變得壓力過大。分享友人