起始壓力 的英文怎麼說

中文拼音 [qǐshǐyālì]
起始壓力 英文
initial pressure
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 始 : Ⅰ名詞1 （最初; 起頭） beginning; start 2 （姓氏） a surname Ⅱ動詞（開始） start; begin Ⅲ副詞[書面...
  • 壓 : 壓構詞成分。
  • 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...
  • 起始 : origin; origination; parentage; germ; initiation
  1. Code for initial pressure testing of collapsible soils

    濕陷性土起始壓力測試規程
  2. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知，一般的反問題和混合問題的最大特點，是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下，直接得到葉片的幾何形狀，它可以使葉型型面與表面氣流參數有機結起來；其不足之處在於，對設計者而言，很難給定理想的葉片表面壓力分佈或速度分佈，並且有時會得到一個非物理解，如：得出的初始葉型可能會出現前緣、尾緣不封閉的現象。
  3. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  4. 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。
  5. Tian shan extends east - west in central asia, the tian shan range was formed in later paleozoic, and a few intramontan basins appeared in mesozoic. it uplifetd again in early miocene because of the north - south compression induced by the india - asia collision, so many active structures can be found in tian shan. active tectonics took actions during last ten thousands yeas, and surface traces of fault scarps, detached gullies and folds in alluvial deposit are apparent, so it is easy to distinguish them from other geological phenomema

    天山位於亞洲中部，天山造山帶形成於晚古生代，到中生代時，在天山內部形成了一些山間盆地，印度板塊在始新世向北與歐亞板塊碰撞，天山受南北向擠壓力的作用再度于早中新世隆起，由於板塊碰撞的持續進行，在天山山間及山前發育了許多的活動構造。
  6. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  7. The sensitivity algorithm is a knowledge of research on the affection of parameters varies to system performance. combination with pressing force and infuse time predicted model, by using sensitivity algorithm, the affection of cast temperature, mould temperature and infuse pressure on infuse time is researched deeply, and the affection of cast temperature, infuse time and infuse pressure on the pressing force in the origination stage of extrusion process. the sensitivity analysis has huge instructing significance to the selection of parameters

    靈敏度演算法是分析參數變化對系統性能影響的一種有效工具，所以本文引入靈敏度演算法，結合壓制力和浸滲時間預測模型，深入研究了澆注溫度、模具溫度和浸滲壓力對浸滲時間的影響關系，以及澆注溫度、模具溫度、浸滲時間和浸滲壓力對擠壓過程起始階段壓制力的影響，對于參數的選取，具有一定的指導意義。
  8. The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters

    本課程從可壓縮流體動力學的基礎開始講起，內容包括控制方程，熱力學背景知識和特性參數。
  9. The paper calculates and analyzes the influences of the initial pressure, the volume of the expansion chamber, and the throat diameter of the nozzle on the non - loaded performance of the circuit breaker, and presents the variation of the state parameters of the expansion volume and the flow field during interruption period, also predicts the nature of the self - extinguishing circuit breaker

    本文分析計算了起始壓力、膨脹室體積及噴口喉部直徑的變化對斷路器空載特性的影響，給出了斷路器膨脹室狀態參數及滅弧室內氣流場在斷路器開斷過程中的變化，得到了自能式sf _ 6斷路器固有的特性。
  10. On the contrary, if temperature gradient is relatively low, combustor only undergo low compressive stress at high temperature. the combustor of engine has a longer life length. these results can provide some reference for maintain and design for gas turbine combustor

    分析也表明，若在起動過程中筒壁的溫度梯度較為平緩，火焰筒的氣膜唇邊在起動完成後始終受微小的壓應力作用，火焰筒的壽命可以大大延長。
  11. The paper is on how to set up lab platform of vapour spewing to uppercooling water surface to coagulate directly and to observe and analyse which vapour coagulate on the water surface, the results enable people to know the security system of nuclear power. the range of the pressure parameters of prz is from 0. 2mpa to 0. 6mpa, and the range of the initial temperature parameters of cmt is from 23. 5 to 78. 5, all of the testing points are 30 and there are fifty thousand testing data. many results of vapour spewing to uppercooling water surface vertically to coagulate can get. for example : coagulating can make the water of cmt surge forcefully when vapour spews to uppercooling water surface, too many vapour - bubbles come into being and strike the water of cmt owing to rupture continually, all these will strengthen the surge because of the vapour pressure of cmt

    實驗中prz飽和蒸汽壓力變化范圍為: 0 . 2mpa - 0 . 6mpa ， cmt中水初始溫度變化范圍: 23 . 5 - 78 . 5 ，實驗中測試工況30個左右，實驗測試數據50萬余個，得出了很多與非能動安全系統相關的蒸汽垂直噴向過冷水表面凝結時的結論：蒸汽垂直噴入過冷水表面凝結時會造成cmt中液面的強烈波動和振蕩，產生大量蒸汽汽泡，汽泡不斷破裂對cmt中液體帶來很大沖擊，勢必引起cmt中液體的振蕩，造成cmt汽空間汽壓不均勻，加強cmt液體的振蕩和波動。
  12. This paper introduces the definition of initial collapse pressure of loess soil, discusses the application of initial collapse pressure in loess engineering, pointing out that the index of initial collapse pressure applied in loess engineering must be determined strictly

    介紹了黃土濕陷起始壓力的定義，論述了濕陷起始壓力在黃土工程中的應用，指出在黃土工程應用中，必須嚴格確定濕陷起始壓力指標。
  13. Abstract : this paper introduces the definition of initial collapse pressure of loess soil, discusses the application of initial collapse pressure in loess engineering, pointing out that the index of initial collapse pressure applied in loess engineering must be determined strictly

    文摘:介紹了黃土濕陷起始壓力的定義，論述了濕陷起始壓力在黃土工程中的應用，指出在黃土工程應用中，必須嚴格確定濕陷起始壓力指標。
  14. Some of you might not know that dream is considered a healing method, one of the ways to heal our mind, body and soul. as i said about my cry in my dreams, it is kind of like a stress - reliever and it helps me feel less stress in my life. i remember i dreamt about myself crying several times at countless nights, especially, after my father passed away. there is a deep sorrow in my mind that i couldn ' t get over it. i cried a lot during the daytime and troubled to have a sound sleep at night. when i heard the siren of an ambulance passing by, i cried, too. i knew it had something to do with my father ' s death because he had come to my dreams several times. and then, one night when i was finally too exhausted and felt into asleep, i started dreaming. i dreamed about myself crying again, then i felt my body shaking because of the cry ; and suddenly, the water coming out from my eyes became a huge tidal wave pouring all over my entire body. the feeling of drowning woke me up and my body was still shaking

    有些人可能不知道:夢被視為是一種治療方法，一種「身，心，靈」療法之一.正如我先前提到的「夢中哭泣」 ，它就如「沮喪紓緩劑」一樣，幫助我紓緩人生的壓力.我記得在無數的夜晚夢到自己哭泣，特別是在我父親過世之後.一種很深的痛楚在我心中，久久不能揮去.我時常在白天哭泣，而晚上睡不著.當我聽到救護車的鳴聲呼嘯而過時，我也會哭泣.我知道這與我父親的死有關，因為他常到我的夢中.然後，有一天晚上，我真的很累而終于入睡，我開始作夢，又夢到自己正在哭，身體也因為哭泣而搖動起來.突然，我的淚水像海嘯般的朝我全身傾倒過來;那種要溺斃的感覺把我弄醒了，而我的全身仍在晃動
  15. The density of its field emission catelectrode tip is about 24000tip / mm2, the onset emission voltage is 0. 5 ~ iv, the backward voltage is larger than 25v, the current of single tip is 0. 2na, the sensitivity is 98. 5mv / bar

    其場致發射陰極錐尖陣列密度達24000個mm ~ 2 ，起始發射電壓為1 5v ，反向電壓25v ，當正向電壓為5v時，單尖發射電流為0 . 2na ，壓力靈敏度為98 . 5mv bar 。
  16. Standard test method for vapor pressure - temperature relationship and initial decomposition temperature of liquids by isoteniscope

    蒸氣壓力計測定液體的蒸氣壓力-溫度關系及起始分解溫度的標準試驗方法
  17. Therefore, interlayer toughened composites are the excellent candidate materials for primary structure of aircrafts. in this paper, composites modified with particle - interlayer were fabricated. based on the aims of improving compression strength after impact ( cai ) and evaluate damage resistance and damage tolerance, mode ii fracture toughness test and quasi - static indentation test ( qsi ) were conducted

    本文採用層間顆粒增韌技術制備試驗件，基於提高沖擊后壓縮強度（ cai ）和考察損傷阻抗、損傷容限的目的，試驗測試了型層間斷裂韌性g _ （ c ） 、準靜壓痕（ qsi ）試驗的分層起始能量和接觸力?凹坑深度關系。
  18. The finite difference method and matlab / simulink are used to simulate the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines. a method using selector block in matlab simulink to solve the equations in spatial dimension is developed. the pressure transients under different conditions such as different initial flow rate, different viscosity and different initial gas bubble volume are simulated

    採用有限差分及matlab / simulink模擬方法，提出了採用simulink中selector模塊求解空間域上積分的方法，對低壓液壓管路有氣泡和氣穴產生的瞬態壓力脈動過程進行了時間域和空間域上的求解，對不同起始流量、不同液壓油粘度和不同初始氣泡量等條件下的瞬態壓力脈動過程進行了模擬研究。
  19. Because move, transfer to learned in the key of a place last year, the pressure that then wang ming feels to learn becomes heavy rise, oneself also are inferior to in the position in teacher and classmate memory once upon a time, he began to produce a kind to learn a mood., to look one field basketball game, wear greatly courage free from worries a class

    去年由於搬家轉學到一所當地的重點中學，於是王明覺得學習的壓力變得重了起來，自己在老師和同學心目中的地位也不如從前了，他開始產生了一種學情緒。
  20. Nano - cuo powders were successfully prepared by pressure - hydrothermal method with cuso4 5h2o and naoh as materials. xrd, sem and tem were used to characterize the samples. the influence of raw materials " initial concentration, thermal treatment " temperature, pressure and thermal treatment " time on the morphology and size of cuo were analyzed, and the possible growth mechanism was also discussed

    以硫酸銅和氫氧化鈉為原料，用壓力-熱液法合成了納米氧化銅粉體，用xrd 、 sem 、 tem對所制得的氧化銅進行了觀察與表徵，分析了原料起始濃度、熱處理溫度、壓力、 ph值及熱處理時間對氧化銅形態和大小的影響，初步探討了不同形態氧化銅的生長機理。
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