隙動差 的英文怎麼說
中文拼音 [xìdòngchā]
隙動差
英文
lost motion-
And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上，其西區發育了兩套孔店組玄武巖，根據鉆井、測井、地震資料，孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點，地震波呈板狀強反射；沉積期該區有有二次火山活動，玄武巖平面分佈比較穩定，噴發方式為「裂隙式噴溢」 ，火山口分別位於草12和草31井附近。The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field
Allen ）等人提出的統計方法，用垂向上砂體密度的界限來推測砂體側向連通情況；根據每口井的測井解釋資料，利用克里金插值法對外間進行插值，得到了一組反映儲層特徵在平面上變化的參數，包括儲層厚度分佈、孔隙度以及滲透率，並且成圖；利用變差函數法，通過球狀函數模擬，確定儲層優勢滲透率方向：根據流動單元法，以儲能系數、容積系數以及凈毛厚度比三個參數為依據，通過聚類分析方法進行流動單元劃分，並且按照參數特徵將其分為五類，統計各砂層有利流動單元區塊。The position and orientation errors of moving platform are affected by driving bar errors, the structure errors of platform and the clearance errors of spherical joints
由誤差關系式可以知道，動平臺的位姿誤差受到驅動桿長誤差、平臺結構誤差和球鉸間隙誤差的綜合影響。The comprehensive effect of partial acidlity of working medium, flowing status of fluid, nocuous material in atmosphere, together with the overlong usage, largely increased the corrosion rate and caused the leakage
結果表明，泄漏的主要原因是焊接缺陷導致焊縫區發生縫隙腐蝕，而工作介質的局部酸性、流體的流動形態、大氣中有害物質、溫差應力等綜合作用，加上使用期過長等加劇了腐蝕，導致該塔泄漏。The analysis of precision about mould - cut main mechanism with clearances is advanced. on the basis of analysis of slider displacement error influenced by the crank length tolerance, the coupler length tolerance and clearances in revolute joints for mould - cut main mechanism, some reasonable suggestions about tolerance distribution of bars length and fitting precision of joints are put forward
考慮運動副間隙對主切機構進行了精度分析，通過分析主切機構中各桿長誤差和運動副間隙對滑塊位移誤差的影響，對商標模切機設計初期桿長誤差分配和運動副間隙配合精度提出了合理的建議。Based on the fact of driven gear moving prior to normal locality when driving gear pair moving from upper dead center to lower dead center, considering all influential elements, the maximum backlash of gear pair can be controlled to satisfy the special driving requirement through controlling the length and deviation of its common normal without increasing its manufacture precision
摘要根據換向傳動齒輪副從上止點向下止點運動時被動齒輪運動超前的實際，從影響齒輪副側隙的各種因素出發，在不提高齒輪副製造精度的前提下，通過拉制齒輪副公法線長度及其偏差從而有效地控制齒輪副的最大齒側間隙，以滿足傳動的特殊要求。By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability
然後通過比較和分析電流密度比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點，確定了電流密度比補償型共源共柵結構作為本設計核心電路結構，運用負反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路，改善了核心電路的帶負載能力和電流驅動能力。Abstract : guiding accuracy of casting mould depends on structure and oscillation parameters, such as elastic deformation of guiding leaf - springs, play of bearings between linkages, stroke and frequency of mould oscillation, etc. in this paper, these factors are studied by means of kinetic and dynamic analysis of oscillating mechanism
文摘:通過對連鑄機結晶器振動機構的運動學和動力學分析，研究了導向板彈簧的彈性變形、連桿軸承間隙等結構參數及振幅、振動頻率等運動參數對結晶器仿弧誤差的影響。And with the software pro / e, the research carried out the molding and assembling of the gearing parts. secondly, according to the rotary error theory, this paper discusses the influence that the side - crack have on the rotary errors and reveal three kinds of rotary errors ( intrinsic errors, assembling errors, other errors ) that may come out in the gear drive
其次，利用回差分析理論分析側隙對回差的影響和齒輪傳動中可能出現的三類回差來源（齒輪本身的固有誤差，裝置誤差，其它誤差） ，並詳細計算了各級傳動中的回差的大小，檢驗結構精度分配的正確性，提出減小回差的措施。This paper deals with the static and dynamic output kinematic accuracy of a group of elastic slider - crank mechanisms with the same design parameters by taking the bar length, joint - gaps, mass density, interception and physical parameters as random variables
摘要將彈性曲柄滑塊機構的桿長、截面尺寸、鉸鏈間隙、質量密度、彈性模量等幾何、物理參數均視為隨機變量，對機構輸出運動進行了靜態和動態誤差分析。In view of the rich underground fissure water and poor blasting effect at cangshan gold mine, water is used as the transfer medium of explosion energy so as to improve the blasting effect and quality and to reduce the vibration caused by blasting
針對倉上金礦地下裂隙水豐富，爆破效果差的特徵，利用水作傳遞爆轟能的介質，改善了爆破效果，提高了爆破質量，降低了爆破震動。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。With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc
借鑒材料力學中金屬疲勞破壞的研究手段，在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動試驗，將試驗結果與疲勞曲線進行對比，分析了門石窟的疲勞破壞效應。文章指出，在經歷了1500多年的風化和流水溶蝕后，振動環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的壁面雕刻品等產生疲勞破壞的重要誘發因素。The influence of legs " tolerance and spherical joints " ( huke joints ) clearance on errors of terminal platform is analyzed using monte - carlo technique
利用蒙特卡洛技術模擬分析了驅動桿桿長誤差和球鉸（虎克鉸）間隙對終端平臺誤差的影響。Cylindrical gears - code of inspection practice - inspection related to radial composite deviations, runout, tooth thickness and backlash
圓柱齒輪.檢驗實施標準.與徑向組合偏差，徑向跳動，齒厚和齒隙相關的檢驗Meanwhile it retains evenness on lift force to prevent leakage of residue that is caused by installation clearance error or changes in welding criteria, flow off molten iron as well as break - over welding, so that the ideal fosion depth and finishment have been fulfilled
在需原動力的條件下，該機利用彈性夾角變化，隨著筒體轉動，使墊層焊劑始終緊貼筒體外側環向焊接區，並保持托力均勻防止因裝配間隙誤差或焊接規范變化而引起漏渣，鐵水下淌及焊穿現象，達到理想的熔深度和光潔度。With a differential accumulation analysis of the fault closeness and the difference of faulted reservoir in beitang depression, it is suggested that ( 1 ) an inactive fault in clastic sequence may mainly restrict hydrocarbon migration ; ( 2 ) undercompacted shales with overpressure can lead to strongly restricting hydrocarbon migration along faults ; ( 3 ) hydrocarbon segregation associated with fault traps more probably takes place in undercompacted zone with abnormal hydropressure
通過黃驊坳陷北塘凹陷斷層的封閉性及斷層油氣藏差異聚集分析，表明斷層在活動停止期主要起封閉作用，但在正常壓實層序段仍有少量輕組分的烴類沿斷層發生運移而引起差異聚集；而在欠壓實帶，異常高孔隙流體壓力使斷層在縱向上具有很強的封閉性。With different clearance value, displacement curves and velocity curves of generalized coordinates as well as slider displacement error curves in a motion period are obtained. these curves are discussed. results show that if manufacturing cost is kept invariableness, in order to improve precision of mould - cuting, fitting precision of joint connecting the crank and coupler has priority to be considered to increase
採用四階rong - kuta法求解連續接觸模型的動力學方程，得到了一個運動周期內運動副間隙取不同值時，各廣義坐標的位移、速度曲線和滑塊位移誤差曲線，並通過曲線分析，得出了要提高模切機主切機構精度，在相同加工成本條件下，應優先考慮提高曲柄與連桿鉸接處的配合精度的結論。During the course of computation, it is a practical way that as far as the reliable analysis of mechanism motion is concerned, formation and resolution of complex analytical equation is not needed
以曲柄滑塊機構為例，研究考慮幾何尺寸誤差和運動副間隙誤差對機構運動可靠性的綜合影響。分享友人