speed stress 中文意思是什麼

speed stress 解釋
速度應激
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  • 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,...
  1. As china entered into the world trade organization, china speeds up her opening up to the outside, and international retailing magnates also speed up their anabasis into china. as a result, the competition of china retailing industry is more furious than ever, and the home retailing firms are facing grim stress and challenges

    隨著我國入世,以及我國零售業對外開放步伐的加快,國際零售巨頭加緊了進軍中國的步伐,一時間,我國零售業狼煙四起,國內零售業面臨著巨大的壓力和挑戰。
  2. The main adverse effect of high speed of operation is the additional stress on the outer race owing to centrifugal force.

    高運轉速度的主要不利後果是由於離心力在外圈上引起附加應力。
  3. 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。
  4. The consolidating wave speed means the speed at which elastic stress wave transmits throughout reinforced concrete, and it is intervenient the inherent wave speed of steel and of the concrete. moreover, the consolidating wave speed inherent in the material of the reinforcing steel bar and the concrete, and it relates to the cling strength of steel bar and the concrete

    固結波速是指彈性應力波通過鋼筋-混凝土體系傳播時的速度,通過理論分析得知固結波速的大小介於鋼筋和混凝土中彈性應力波速之間,由鋼筋與混凝土二者的材質特性決定,與二者的粘結強度密切相關。
  5. For the sake of realizing the structural lightweighting design on ball cage patterned constant speed universal joint, taking the maximum contact stress of ball cage patterned constant speed universal joint, overall contacting deformation and plastic deformation as foundations, a preliminary study was carried out respectively on two kinds of ball cage patterned constant speed universal joints with their number of balls as 6 and 8

    摘要為了實現球籠式等速萬向節的結構輕量化設計,以球籠式等速萬向節最大接觸應力、接觸總變形和塑性變形為依據,分別對鋼球數量為6和8的兩種結構的球籠式等速萬向節進行了初步研究。
  6. This thesis first comprehensively introduced the domestic and international present research state and the development trend of the fem ( finite element method ) in the city bus design and the stress analysis research. it elaborated the application of the fem in the strength and stress concentration analysis of the bus body frame. the domestic research started later than abroad lags behind now, so we need to expedite the research speed to catch up the level of the international research

    本文首先較全面地介紹了國內外客車設計與應力分析中應用有限元法進行研究的現狀和發展趨勢,論述了有限元法在客車車身骨架強度和應力集中分析中的應用,並闡明國內起步較晚所以與國外研究水平存在一定的差距,需要加快研究速度迎頭趕上。
  7. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。
  8. Therefore, in order to further carry on the strategy and speed up the leapfrog development of high and new technology industry in western regions, it is essential to create and utilize various favorable conditions, to stress key fields and regional advantages, and to combine technological innovation and technological introduction on the basis of independent research and development

    因此,要進一步實施西部大開發,促進西部高新技術產業跨越式發展,必須利用和創造各種有利條件,突出重點領域和區域優勢,在獨立研發的基礎上,使技術創新與技術引進密切結合。
  9. Refer to the impacting - echo technology, we impacted the apex of the steel bar and incepted the reflecting stress ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the time of stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method

    借鑒于沖擊回波技術,固結波速的測定方法是在鋼筋測桿的出露端施加瞬態沖擊載荷,由安設在測桿頂端的傳感器接收反射應力波信號,根據應力波的走時和測桿的長度折算固結波速的大小,因此反射信號的識別是固結波速法檢測混凝土強度的技術關鍵。
  10. Product description : this series product has entire auto - lubrication systems and the ordinary two big kinds supplies to select, this machine major parts cancels the needle, cam and the ball bearing all uses the high quality import components, also selects the high quality steel products quenching heat treatment to the main stress components, the essential components uses special phosphorus processing, the foreign dew components all adopts special - purpose seal - up device and drains the oil the measure, therefore, entire causes machine throughout to locate the lubrication is reliable, the revolution is steady, under the high speed low chirp condition works

    本系列產品具有全自動潤滑型及普通型兩大類以供選用,本機主要零件勾針,凸輪及滾珠均採用優質進口零件,對主要受力零件亦選用優質鋼材淬火熱處理,關鍵零件則採用專門磷化處理,對外露零件均採取專用密封裝置及排油措施,因此,使整機始終處于潤滑可靠,運轉平穩,高速低噪的條件下工作。
  11. Beginner / all level. practice various asanas and pranayama which is suitable for all ages. helps to release stress, manage emotions and speed up metabolism

    本課程分初級核一般大眾。練習各種體姿和呼吸技巧。適合所有人的瑜珈,消除緊張與壓力,穩定情緒和增加體內代謝。
  12. Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release

    根據界面粒子速度剖面,計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系,所得結果與文獻給出的數據符合很好;其次,利用阻抗匹配近似,計算分析了無氧銅卸載過程的應力-應變關系,並與流體彈塑性模型進行了比較,結果表明:無氧銅的卸載過程存在明顯的應變硬化效應。
  13. Better disposition of stress on the machine of the nice shape at high - speed sewing with little vibration and in low noise

    本機具有美觀新穎的外形,在高速縫紉狀態下,震動小、噪音低,可實現高效率的作業。
  14. From the viewpoint of sucker rod stress changing, this paper has analyzed the influence of augmenting the pump diameter, depth of pump, pumping stroke length and speed to sucker rod breaking

    摘要從抽油桿應力變化的觀點分析了調大抽油泵泵徑、泵深和抽油機沖程、沖次對抽油桿斷裂的影響。
  15. The variation of regional stress field can be genetically interpreted by the rotation speed variation of the earth and its impact on the movement of lithosphere plate and deep processes of the earth, it is also related to the earlier structural feature and boundary of the basin

    區域應力場變化可以用地球自轉速度變化引起的巖石圈板塊活動及觸發的深部過程來解釋,亦與先期構造形跡和盆地邊界條件有關。
  16. In order to discuss the quantifiable relation of air speed with human comfort and physiology stress, 20 subjects each in winter and summer of 2005 were exposed different air speed, and they had done some physiological testing and questionnaire

    室內的熱舒適性問卷調查得知,夏季空氣流速的改變使得人體所感知的熱感覺、氣流感、濕度感和熱環境滿意度都有很大的變化,說明在夏季風速的提高可
  17. The technique of dam construction by weakly expansive concrete added with magnesia ( wecam ) is a new technique developed in china, in which appropriate light - burnt magnesia is added to dam concrete when produced to generate a special delayed expansive stress to compensate shrinking stress due to decrease of temperature so as to prevent concrete cracks. it not only is in favor of simplifing the method of temperature control and an effective solution to the crack problem of concrete dam, but also simplify the technology of dam construction and bring down the project cost, further more, speed greatly up the construction of concrete dam

    外摻氧化鎂微膨脹混凝土築壩技術是指在生產大壩混凝土時,摻入適量的輕燒氧化鎂,利用其特有的延遲膨脹補償混凝土壩的溫度應力,以防止混凝土壩產生的裂縫,這不僅有利於簡化溫控措施,有效地解決混凝土壩的開裂問題;而且簡化了施工工藝,降低了工程造價,大大了加快施工進展。
  18. In the macroscopical field : ( 1 ) the relationship between the moisture and the speed of average collapse was attained, that is, the speed of average collapse will increase with increasing of the moisture at first, but it will decrease when the value get to certain max with increasing of the moisture ; ( 2 ) the model of relationship between the pressure and the speed of average collapse was established on the basis of experiment. the conclusion of that the speed of average collapse bouncing increase with increasing of the pressure was attained and the relationship between stress and distortion was established ; ( 3 ) the method of synthetical evaluation for collapsibility loess under the effect of time, pressure and moisture was offered

    在宏觀角度上: ( 1 )以遼寧阜新地區黃土試樣的固結試驗數據為分析對象,得到了黃土濕陷速率與含水量的關系曲線呈單峰狀態的結論,即黃土濕陷速率在土體浸水初期會隨著含水量的增加而增大,但當含水量超過某一數值趨于飽和含水量時,黃土濕陷速率卻隨著含水量的增加而減小; ( 2 )立了黃土濕陷速率與壓力之間關系的數學模型,得出了黃土濕陷速率隨壓力的增大而呈階越增長的結論以及阜新地區濕陷性黃土的本構關系; ( 3 )提供了在時間、含水量及壓力等因素共同作用下,對黃土濕陷性進行綜合評價的方法。
  19. With the best modulation strategy which was found on condition that it must have largest energy transfer ratio, smallest current ripple of the inductor, and realizing zvs of each switches, the converter overcomes the drawbacks presented by the conventional zvs fb converter, such as high voltage stress of each switches, large current ripple of the inductor, and severe parasitic ringing on the rectifier diodes, so it can get higher efficiency, faster respond speed, and wider application area. the operation principle of the proposed converter is analyzed and verified by a 3kw, 50khz experimental prototype. experiments and research results show that the scheme of the tl topology derivation is reasonable, adjusted modulation strategy makes some other severe problems in conventional topologies easy to solve or makes the converter more competitive

    研究結果表明,本文提出的三電平拓撲變換方案合理,針對各種三電平拓撲尋找到的控制策略可以解決變換器存在的某些問題或使變換器表現出更突出的優勢:例如針對單管直流變換器三電平拓撲的控制策略可以減小電感的設計值,針對推挽直流變換器三電平拓撲的控制策略可以實現開關管的軟開關、解決變壓器偏磁問題等,針對全橋直流變換器三電平拓撲的控制策略可以減小電感的設計值、實現開關管的軟開關等。
  20. The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand

    本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流,在自己研製的高速渾水循環系統中,通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測,分析了水沙氣三相流的紊動特性,探索了泥沙對固壁的磨蝕機理及減蝕措施,其主要內容包括以下幾個方面: 1
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