過壓下 的英文怎麼說

中文拼音 [guòxià]
過壓下 英文
excessive rolling
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 壓構詞成分。
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  1. An aircraft ' s aerofoils are shaped so that air travelling over their top surfaces moves faster than that underneath, creating an area of low pressure

    一片小翼的形狀可以是通它上方的氣流比通方的氣流速度更快,從而產生力。
  2. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明,查干凹陷中心的地溫梯度高於凹陷邊緣,大地構造性質及所處構造部位、巖性與地水活動的差異是影響凹陷地溫場分佈特徵的主要因素;泥巖實存在正常實、欠實和實三種類型,砂巖儲層段力類型可分為正常和負兩個系統,地層抬升剝蝕是導致儲層負系統形成的主導因素;凹陷獨特的溫場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。
  3. Following this, a new phenomenological eos along isotherms that may be used at high pressures for nacl - type and cscl - type alkali halides, metals, periclase ( mgo ), rare - gas xenon solid, and so on, is presented, by making use of the definition of short - distance repulsive force constant ( a ) and the phenomenological function a ( r )

    在此基礎上,從短程排斥力常數a的定義,及其與原子間距r唯象函數出發,提出一個可應用於相對高的新的等溫固體物態方程,並對它的有效性和應用性進行了研究與討論;本文還在實驗數據的基礎上,運用了等程中anderson - gr (
  4. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上,先分析了此次試驗的經濟性,經核算直接節約投資22 ,經濟效益十分明顯;隨后對真空堆載聯合預法加固軟土路基的沉降量進行了估算,並與實測值作對比分析,得出了真空堆載聯合預的沉降量估算公式,能反映「真空」加固程的變化規律;同時根據現場和室內試驗,分析了軟土強度的變化,以及給出並驗證了工后沉降控制標準。
  5. What is the voltage sensitivity of down stream equipment

    游負載設備耐的能力有多高?
  6. As explained by the following figure, gas in low pressure and low density will alter the light that passes through it. it is because the gas will absorb light at some particular wavelengths and re - radiate it in random directions. thus, after passing through the low pressure gas, the spectrum of the original white light will have dark lines, called

    並不是所有光譜都是黑體輻射光譜,如圖所示,低的低密度氣體會改變通它們的光線,這是由於氣體會吸收特定波長的光波並隨機向不同方向把所吸收的光線輻射出來,結果光線在通氣體后,原本的光譜上會出現很多稱為
  7. Through multiple generation calculation, the minimum point of penalty function value was obtained, then the optimalc reduction distribution was found

    粒子群多代運算,求出罰函數值最小點,得到負荷最佳分配點。
  8. Theoretical analyse of bending deflection and fem simulation of press peocess on h - beam straightenning

    型鋼矯直撓度的理論解析及程數值模擬
  9. Through analyzing the structure of open caisson, and according to sinking stress principle, the paper introduced in the open caisson construction process sinking, correcting error, survey control as well as peculiar circumstance processing technical measure, such as in open caisson construction the inner - mold for sanding, framework supporting and steel binding, and concrete casting ; in open caisson sinking - control the sand in edge foot inner - mold, sand - pumping sinking, and pressure hydraulic monitor breaking and pressure - blowing sinking by air pressure blower etc

    摘要根據沉受力原理,分析了沉井結構,介紹了沉井施工程中的沉、糾偏、測量控制以及特殊情況處理的技術措施,如沉井製作中的填沙內模,模板支設和鋼筋綁扎,混凝土澆注;沉井沉控制中的刃腳內模沙土,抽沙泵抽沙沉,高水槍破、空機吹沉等。
  10. Upon existent theoretical and experimental results and based on a great of laboratory investigations carried out in chongqing university, for the first time this paper studies systematically the insulators dc discharge performance and flashover mechanism of iced insulators in the complex atmospheric environment, which will contribute to the understanding of flashover phenomena observed on ice surface at low air pressure and provide the test and theoretical reference for hv and ehv transmission lines design and safety service

    為此,在國內外現有工作的基礎上,通大量的試驗研究,本文主要研究了復雜環境中絕緣子的直流閃絡特性及閃絡機理。其結果有助於進一步了解低氣覆冰絕緣子的閃絡現象,並可為輸電線路的設計和安全運行提供理論依據。
  11. First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given

    首先介紹了編織復合材料圓柱殼在幾種主要因素影響的動力穩定性問題,用hamilton原理建立非線性動力穩定性問題的一般性基本方程。然後重點討論了編織復合材料圓柱殼軸的蠕變屈曲問題及非保守力作用的屈曲問題。對蠕變屈曲問題,通理論分析來得到了編織復合材料圓柱殼的瞬時彈性臨界載荷和持久臨界載荷,給出了具體的算例。
  12. Nano - alkali metal hydrides and lanthanide hydrides can be prepared easily by the direct hydrogenation catalyzed by ticl4 in tetrahydrofunan ( thf ) under normal pressure. lanthanide powder of nanometric size in a finely dispersed active form was generated by the thermal decomposition of organolanthanide in vacuum. 1

    本文應用絡合催化法,在常溫常,在萘/ ticl4催化體系作用合成納米尺寸堿金屬氫化物(以nah為代表) 、納米尺寸鑭系金屬氫化物(以smh3為代表)和鑭系金屬有機化合物(以蒽鑭為代表) ,並通真空熱解鑭系金屬有機化合物得到高分散度的納米尺寸鑭系金屬粉末(以la為代表) ,主要考察如三個方面的內容。
  13. An experiment of the scaled down fmv forging process is carried out under the conditions of different high reduction and different speed of upper anvil in order to verify the redeveloped deform3d, the constitutive relation inserted in deform3d and the material constitutive parameters

    根據大型汽輪機轉子的實際鍛造程,完成了幾種不同的量和變形速度的按比例縮小的fmv拔長工藝模擬試驗。
  14. The single - chip microcomputer control technology has been applied in the system to carry out monitoring and protective functions for the asynchronous motors controlled. combined with suitable peripheral interface, disposition and flexible software, the mcs can measure the current and voltage signals of the motors. based on the measurements, the computation, judgment and decision are made to implement the phase sensitive short circuit, overload, supply over - voltage, supply under - voltage, over - thermal, leakage lock - out and loss of phase protective function

    系統採用單片機控制技術,完成所控制電動機的控制功能,並對所控制電動機的電、電流等信號進行檢測、計算、判斷和處理,實現短路、斷相、載、欠熱、漏電閉鎖等保護功能,並提供本質安全型輸入、輸出介面,能與煤礦井監測監控系統聯網運行。
  15. Trees, forced by the damp heat, found too little soil for full growth, fell early and decayed.

    在潮濕的暑,樹木缺乏足夠的泥土,沒法長足,早地倒腐爛了。
  16. Pressured by a boycott among some high - profile scientists in 2001, certain journals began offering free public access to back issues a year or more after publication

    2001年,在一些知名科學家的杯葛施,某些刊物開始提供已出版一年或超一年的期刊物,供大眾免費閱覽。
  17. In the thesis, most advanced, relative, foreign high - tech has been pursued. feasibility analysis has n ' t been carried out by synthesizing much relative knowledge such as electromagnetism theory, plasma technology, aerodynamics, electronic technology etc until the scheme is confirmed, that is, a uniform, one atmosphere, controllable, glow - charge surface plasma can be generated and flow can be accelerated by changing electric field

    本文追蹤目前國外最先進的技術,綜合電磁理論、等離子體技術、空氣動力學、電子技術等相關知識進行可行性分析,確定了研究方案,即利用電流體力學( ehd )方法在一個大氣產生高效、均勻、可控的射頻輝光等離子體,同時,通改變電場促使流動加速。
  18. Abstract : the lubricating condition of cold rolling is affected by many factors. this paper shows the relationship between the friction coefficient and three rolling parameters, such as rolling speed, reduction and concentration of rolling lubricating oil

    文摘:主要研究了在冷軋程中,軋機輥縫摩擦系數受軋制速度、相對量以及乳化液濃度因素影響的變化規律。
  19. The low - voltage relay and the excess voltage relay are integrated into one relay, which can display the real time of the voltage of the circuit and the limit of voltage can be modified

    該繼電器的設計思想是將繼電器和欠繼電器集成到一起,並且實時顯示所測電值,能修改電的上、限。
  20. The optimized speed curve can bring a steady press - down dimension in the process of the ring rolling which could assure high quality products

    優化后的芯輥進給速度曲線能保證輾擴程中始終有理想的每轉量,從而降低缺陷的發生,提高零件質量。
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