波壓公式 的英文怎麼說
中文拼音 [bōyāgōngshì]
波壓公式
英文
wave pressure equation-
The explicit method of calculating surges in throttled, simple and downriver throttled and simple surge tanks has been derived for the first time by use of thaler series expansion from the basic formulation of surge tank. 2
根據調壓室的基本微分方程，利用泰勒級數展開方法首次推導出了阻抗式、簡單式、尾水阻抗式和簡單式調壓室水位波動的顯式計算公式。The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived
根據差動式調壓室的基本微分方程，首次推導出了差動式調壓室涌浪幅值的理論計算公式；並同樣利用泰勒級數展開方法推導出了差動式調壓室水位波動的顯式計算式；導出了差動式調壓室大井面積和有效阻抗孔面積的計算方法。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合An universal equation, which can be directly used to compute the compensation resulted by the surface roughness, was deduced according to the flat - bottomed echo formula
根據大平底回波聲壓公式推導出了工件表面粗糙度和補償量之間的關系，可直接通過計算得到表面粗糙度引起的衰減量。Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error
對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析，並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算，最後對誤差進行合成。Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule
分析了管道內的流體溫度隨傳輸距離而變化的規律，並指出了此規律對管道負內壓力波傳播速度的影響。指出了常負壓力波波速定位方法的局限性，並採用改進的負壓力波定位技術，將管道內的負壓力波速公式採用復化辛普森公式進行了改造。Based on the experimental results for different wave height, wave period and the relative clearance of underside of the wharf deck, the properties of wave impact pressure on wharf deck are studied. the distribution of impact pressure along the underside of the deck model is analyzed. the influence of different incident wave parameters, structure dimension and relative clearance s / h1 / 3 on the impact pressure is discussed
通過對不同波浪參數、結構物尺度、結構物與靜水面的距離等情形的試驗結果的比較分析，研究隨機波浪對不同接岸型式碼頭面板的沖擊壓力特性，分析波浪沖擊壓力沿碼頭面板底面的分佈規律，討論入射波要素、結構物尺度、結構物相對凈空等要素對碼頭面板底面所受的沖擊壓力的影響規律，給出便於工程應用的計算波浪沖擊壓力的經驗公式。By employing cole ' s classical theory of bubble dynamics, the motion of bubble produced by the underwater explosion and the corresponding bubble pulsating pressure are calculated. a profile function of the shock wave and its parameters are determined according to the principle of wave profile similitude and the equality of impulses. finally an analytic formula is derived to simulate the whole time history of the pressure from the front shock wave to the bubble pulsation, representing the fluid loadings of the underwater explosion
木文首先應用庫爾的經典水下爆炸氣泡運動理論計算出氣泡的運動和脈動的壓力波形，再依據波形相似的原則尋找波形模擬函數，用沖量相等的原則確定波形參數，得出了從沖擊波到氣泡脈動壓力整個過程對水下爆炸載荷進行模擬的解析公式。Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation
鑒于湯陰變電站的諧波主要來自電力牽引負荷，本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況，得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器，分析了阻抗匹配平衡變壓器的結構及其高壓側注入電網的諧波，推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據，歸納了電力牽引負荷注入湯陰變電站的諧波的特點。It takes advantages of modern computer to fit all the experimental information, hence a very powerful pwa method. in this thesis, we use this method to analysis hadrons japdecay model jap - > ( ptt - tr + and j p radioactive decay model based on the pwa amplitude, we received mass distribution of two outgoing pious and angle distribution of the outgoing particles using the cern program. finally we compared tow different form factors ( barrier factors and gauss factor ) wh ich were always used the calculating of pwa amplitude
本文採用這種分析方法給出的j強衰變j ~ - ~ +和j粒子輻射衰變j ~ - ~ +分波振幅公式，利用cern的蒙特卡羅模擬程序繪出了末態粒子的角分佈和不變質量分佈，對分波分析中常用的兩種動力學形狀因子（中心位壘因子和高斯壓低因子）進行了研究比較。The motion model of saw motor is set up by the formulae of hertz ' s theory and coulomb ' s friction law
以計算球體?平面擠壓形變的赫茲公式和計算摩擦力的庫侖定律為基礎，建立了表面彈性波馬達的運動模型。Using the formulized approach to the su ( 1, 1 ) h ( 4 ) time - dependent system, which is derived from the combination of the formulation of the time - dependent bogoliubov transformation and the evolution equation of the system, we obtain the time evolution operator, state function and heisenberg uncertainty relation of the parametric oscillator with cavity losses under the weak coupling approximation. we also discuss the squeezing property of the system
本文利用含時波戈留波夫變換與時間演化方程相結合得到的求解su （ 1 ， 1 ） ? h （ 4 ）量子系統的時間演化算符和演化態的普遍公式，我們導出了帶腔損耗的參數振子在弱耦合近似下的演化算符，態函數和不確定乘積，並討論了系統的壓縮特性。The paper uses precise step to produce the continuity function of water hammer mathematic model, not only gains more precise water hammer pressure function and water hammer wave speed function but also founds correct water hammer mathematic model continuity equation movement equation after ignoring subordinate facts, function ( 1 ) and ( 2 ) translate into the current applied water hammer pressure function and water hammer wave speed function
本論文對水擊數學模型中的連續性方程重新進行了嚴謹的推導，不僅得到了更加準確的水擊壓強和水擊波速的計算公式也建立了正確的水擊數學模型連續性方程運動方程當忽略次要因素以後，公式（ 1 ）和（ 2 ）即可轉化為當前應用的水擊壓強計算公式和水擊波速計算公式。The velocity change of negative pressure wave generated by pipeline leak during the process of transmission is analyzed, the formula of wave velocity changing with temperature is deduced, and the pipeline leak positioning problem is transformed into a function optimization problem
摘要通過分析管道泄漏產生的負壓波在傳播過程中速度的變化，推導出波速隨溫度變化的公式，並將管道泄漏點定位問題轉化為函數優化問題。On calculation formula of wave impact pressure acting on offshore open structure
離岸透空式結構波浪上托力沖擊壓強計算公式的比較This pck avoiding miscellanecous circuit design, reducing parts and accessd ries, lowering volume and weight largely, and strengthening operating availability : provided mith high capacity to reduce quantity of batteries andjkeep same dischange time, without replacing battery frequently ; supplying nith stable putput power fit to origins of long time unstable voltage and avoiding supplying power by kattery under not power fqilure ; this unit can be located beside computer becamse of its beautiful appearance
本系列不間斷電源是本公司最新推出的新一代方波后備式不間斷電源，專為個人電腦設計，集交流穩壓器高速后備電源及尖峰浪涌收為一體，具有體積小、功能全、效率高、性能可靠、使用方便等特點，並具有周全的自動保護功能。Through analyzing bending stiffness of composite slabs in the paralled and cross wise wave direction of steel sheet, the author got load - bending stiffness in these two directions. with the finite elements method, the author studied the mechanism and load - carrying characters under uniform loading of composite slabs and put forward a theorem calculating distortion and analyzed crash mode of this structure
通過分別對組合板沿壓型鋼板波紋方向和垂直於壓型鋼板波紋方向彎曲剛度的分析，得出型鋼和壓型鋼板與混凝土組合板兩個方向的抗彎剛度，採用有限元分析方法，研究組合板在均布荷載作用下的工作機理和受力性能，提出撓度計算公式。Latest progresses on some fundamental and important problems about information fusion in sensor networks are presented, including the multisensor distributed decision in the most general case in the sense of globally optimal fusion ; the optimal dimension compression of the sensor observations or local estimates ; the best linear unbiased estimation fusion formula and the efficient iterative algorithm ; the distributed kalman filtering fusion for the multisensor dynamic systems with cross - correlated sensor noises ; and the fault - tolerant interval estimation fusion
摘要系統地闡述了傳感器網路環境中幾個基本而又重要的信息融合問題的最近進展，包括：最一般條件下全局最優的多傳感器分散式統計判決；傳感器觀測數據或局部估計的最優維數壓縮；一般條件下最優線性無偏估計融合公式及其有效演算法；傳感器觀測噪聲相關情形下動態系統的卡爾曼濾波融合；容錯條件下的區間估計融合。Thirdly, the snubbers are designed to compress the switching voltage transient. when igbt is abruptly turned off, trapped energy in the circuit stray inductance is dissipated in igbt, causing a voltage overshoot and damaging igbt. this paper analyzes the principle of the snubber and discusses the impact of the parameters of the snubber on voltage overshoot
針對igbt工作過程中出現的電壓尖峰、電流尖峰和大的開關損耗問題，本文首先從理論上詳細分析了igbt逆變橋緩沖電路的工作原理，推導出緩沖電路各元件的參數計算公式，討論了緩沖電路各元件參數對關斷電壓波形的影響並進行了模擬分析。Relationship between concrete compression strength and rebound and ultrasonic speed value was studied by test. special regressive equation was obtained to predict concrete compression strength. also, empirical regressive equation was got to predict the temperature acting on concrete structure
試驗研究了火災高溫后並考慮靜置時間影響的混凝土抗壓強度與回彈值、超聲波速值之間的關系，得出了利用回彈法、超聲法和超聲回彈綜合法評定火災后混凝土抗壓強度的專用測強公式；得出了利用超聲法推定混凝土受火溫度的經驗回歸公式。分享友人