pressure comparison 中文意思是什麼

pressure comparison 解釋
增壓艙
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  • comparison : n. 1. 比較，對照；類似。2. 【語法】比較法；【修辭學】比喻。
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  2. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究，並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比，得出本區花崗巖類巖石具有以下特徵：屬磁鐵礦-型或同熔型花崗巖，其巖漿物質具殼幔混源特徵：主要由熔融態巖漿經結晶分異作用，通過多期變速上侵而形成；其分異演化程度較低；寄主巖基和包體具有同源性；巖石的形成溫度范圍約為500 - 700 ，壓力大約為2 . 50gpa - 4 . 35gpa ，氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ；該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期，為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  3. Abstract : making a comparison between bladder - type accumulator and piston accumulator, the paper presents the characteristics of both devices, puts forward and recommends to “ piston accumalator with gas bomb ” circuit design solution for large oil compensating and pressure maintaining system and makes an exposition of the operating process and methods for pressurizing by air inflation with piston accumulator

    文摘:對比說明了囊式和活塞式蓄能器的特點，對大型補油保壓系統提出了推薦採用「帶儲氣瓶的活塞式蓄能器」迴路設計方案的觀點，並闡述了利用活塞式蓄能器進行充氣加壓的操作過程和方法。
  4. ( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %

    （ 2 ）數值方法的可靠性通常用黎曼問題的解析解檢驗，本文以無量綱計算區長度為2 ，高壓區長度為0 . 8 ，狀態參數為p _ 1 = 2 ， p _ 2 = 1 ， _ 1 = _ 2 = 1 ， u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核，結果表明該程序的計算誤差在9以內；為考核本文計算模型預測開敞空間氣雲爆炸的適用性，以文獻[ 8 ]的實驗數據進行了校核，計算誤差在13以內。
  5. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  6. The rule of fluctuation of energy and pressure about canonical assemblages relativity quantum perfect gas under high temperature is given through strict theoretical inference and comparison with the theory on non - relativity

    通過嚴格的理論推導，給出了正則系綜高溫條件下相對論量子理想氣體的能量和壓強的漲落規律，並與非相對論漲落進行了比較
  7. For confirming the results, a full - size model ( dj / dj = 0. 6, t / t = 1. 5 ) was analyzed by means of strain gauge test. the reliability of finite element analysis was proved because the results basically accorded with that of the test. secondly, in this paper, in order to carry out a fair assessment of the reinforcement design on spherical shell with transnormal nozzle, a comparison of reinforcement method was done between jb4732 - 1995 steel pressure vessels ? esign by analysis appendix a4 and hg20582 - 1998 specification for stress calculation of steel chemical vessels

    為了驗證ansys分析結果的可靠性，對其中一組參數下（開孔率0 . 6 、厚度比1 . 5 ）的模型容器，採用電測法進行了應力測試，並將得到的實驗結果與有限元結果進行了比較，二者在應力分佈狀況和大小上均基本吻合，證明此種結構運用ansys進行分析，其結果是完全可靠的。
  8. Basing on the two order tangency at initial point between isotropic curve and hugoniot curve, a new method for calculating cold energy cold pressure and cohesive energy for solid is presented in the paper, comparison with experimental data manifest that this method is very good and can be applied

    利用在初始點等熵線和沖擊絕熱線二級相切的性質，給出了一種可用於計算固體冷能冷壓和結合能的新方法，並推導了利用hugoniot參數計算結合能的公式。與實驗數據的比較表明，這種方法是有效可行的。
  9. Comparison of results of conventional and high pressure water - pressure tests on the dam foundation rock masses of xiluodu hydroelectric station

    溪洛渡水電站壩基巖體鉆孔常規壓水與高壓壓水試驗成果比較
  10. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  11. The hydrogen source used is high purity of 99. 9999 %. for comparison, the annealing treatments were processed under ambient pressure in air and nitrogen atmosphere respectively

    在kno3溶液中進行液相攙雜的納米碳管，其儲氫能力明顯提高，並且隨摻雜濃度增加而提高。
  12. At different altitudes, surface pressure is referenced commonly with respect to the mean sea level for easy comparison of various weather systems

    另一方面，為方便比較不同的氣壓系統，氣壓圖則統一以平均海平面作為參考高度。
  13. In this paper, the metal explosive working technique and the fabrication characteristics of metal vessels with double layers were introduced. based on the comparison between new and traditional techniques, the reliability of the technique for mould - less high energy integral forming of spheroidal vessels with double layers was stated, and the prospective application of this techniques to the fabrication of the low temperature pressure vessels was presented

    本文將從前言、金屬爆炸加工技術介紹、雙層金屬容器加工製造要點、新技術與傳統技術的對比、無模高能整體分步成形雙層球型容器技術的可靠性和本技術在低溫壓力容器製造領域里應用的前景等六方面進行闡述。
  14. Comparison study on blood pressure measurement and home blood pressure measurement with electronic blood pressure monitor

    診室偶測血壓與自動電子血壓計自測血壓指導高血壓治療的對比研究
  15. The comparison among each cylinder ' s quantity of inlet air was made using the average value of the max pressure of each cycle

    通過比較各缸壓力的最大平均值及其變動系數，分析了各缸的進氣量差異。
  16. The film hole extraction has the effect of increasing the static pressure, so the pressure loss characteristics of the passage with film hole extraction is obviously different in comparison with that without extraction ; 5

    氣膜孔出流對通道內的靜壓有明顯的提升作用，因此帶肋壁和氣膜孔出流通道的流阻特性與單純帶肋壁通道有明顯差別； 5
  17. Analyzed 8 kinds of regulated plugs. calculating and analyzing results showed : ( 1 ) the most sensitive parts of all the plugs were near the bottom of axes of the notch, which was easily into auxiliary when under high pressure and caused unbalance or break of plugs. ( 2 ) comparison of 8 kinds of plugs proved that the design of plug of primer 9 second was optimization because it was in plastic under increase and decrease in pressure

    對國內8種制式閉氣塞：底- 9乙式底火閉氣塞、海130底火閉氣塞、海76炮彈底火閉氣塞、底- 5底火閉氣塞、底- 4底火閉氣塞、底- 8底火閉氣塞、底- 25底火閉氣塞及底- 125底火閉氣塞分別進行了有限元數值分析，計算結果表明： （ 1 ）閉氣塞凹槽底部靠軸心處為其機械強度最為敏感區域，在承受高壓過程中易破裂。
  18. To enable comparison of air pressure at different places, it is convenient to convert the air pressure to a common level, e. g

    要比較不同地方的氣壓讀數，一個方便方法是把它們換算至同一高度，例如海平面。
  19. At some situation, some nodes pressure and supply of all water - supply sources are measured in xi ' ning ( resistance parameter of all pipes are known ). by using the pressure of the experiment and optimal measure points, the state simulation is done respectively to get all nodes " pressure. the comparison of the estimation results express that the optimal measure points is more representative than experiment one

    利用簡約梯度優化法求解給水管網狀態估計的最小二乘數學模型，實測某一工況下西寧市配水管網部分節點水壓h _ 0 、各水源供水量（管段摩阻已知）分別用優化選擇的測壓點水壓和按經驗選擇的測壓點水壓估計所有節點的水壓，對西寧市配水管網進行了狀態估計。
  20. Acoustics - determination of sound power levels of noise sources using sound pressure - comparison method in situ

    聲學.聲壓法測定噪聲源的聲功率級.現場比較法
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