shock point 中文意思是什麼
shock point
解釋
震動點-
The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core, expanding suitable sintering temperature range of sic grinding tool
同時，也不同程度地影響了磨具燒結體的微觀結構和性能； （ 2 ）可促進在燒結過程中莫來石的形成，降低結合劑的熱膨脹系數，加強了結合劑與磨料的匹配性，提高了磨具的抗折強度和抗沖擊強度； （ 3 ）在一定溫度范圍內還可防止碳化硅磨具出現黑心現象，拓寬了碳化硅磨具的燒結溫度適應范圍。 -
Experiments show the optimum content of pyrophyllite and dolomite is 30 % ; in contrast to original bond, the refractory point of bond is reduced by 55, the average coefficient of thermal expansion is reduced by 30 % and flexural strength and shock strength of grinding tool are increased by 27 % and 22 % respectively
通過實驗發現：葉蠟石和白雲石最佳含量為30 % ，與原結合劑相比，結合劑耐火度降低了55 ，平均熱膨脹系數降低了30 % ，磨具抗折強度提高了27 % ，磨具抗沖擊強度提高了22 % 。 -
The point blast induced spherical wave is the especial instance of the ellipsoid shock wave. at last, the experimental data in alcohol are in good agreement with the calculated results of the model by analysis of the data of the laser pulse induced the laser plasma shock front by acoustics means
最後，設計應用聲學方法對酒精中產生的激光等離子體沖擊波波前傳播過程進行測試，對兩個不同方向上激光等離子體沖擊波波前測試數據的分析表明，旋轉橢球面的沖擊波模型與實驗測量結果相吻合。 -
The test result proves the blow - off point of shock absorber valve system can be identified effectively
試驗結果證明，該方法可以有效地確定減振器閥系的開閥點。 -
This paper put forward a method, which is used to identify the blow - off point of shock absorber valve system, based on the damping - displacement characteristic test of shock absorber, conversation of energy and equivalent damping coefficient
摘要以減振器示功特性試驗為基礎，以能量守恆為依據，提出一種以等效阻尼系數為對象的識別減振器閥系開閥點的方法。 -
This paper supplies the theoretical analysis and practical discussion on lateral force & friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & friction property on domestic equipment comprehensively
該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數 -
Abstract : this paper supplies the theoretical analysis and practical discussion on lateral force & amp; friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & amp; friction property on domestic equipment comprehensively
文摘:該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數 -
This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded
主要結果如下： 1 ）行波的存在性本文利用[ 37 ]中幾何奇異攝動理論，通過仔細分析= 0時的快流、慢流，驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道，先在f為凸的條件下嚴格證明了（ ）存在連接不相鄰的鞍點、結點的行波（ a2 ） ；然後在地f有界的條件下得到（ ）存在連接鞍點（包括相鄰和不相鄰）的粘性沖擊波c ，彌補了[ 11 ]缺少嚴格證明的不足，並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。 -
Vibration and shock - mechanical driving point impedance of the human body
人體的機械驅動點阻抗 -
Primarily at the point of impact absorbing shock where it occurs
有別於一般跑步機的吸震力系統，更有 -
By using a resilient material, you can block and brace shipments by absorbing the shock energy and directing it towards the strongest point of the product
使用有彈力的物料，可阻隔及支撐托運貨件，能吸收撞擊力並引導至貨件最堅固點。 -
Point the resistance to present to electric current. the resistance includes the pure electric resistance with give or get an electric shock to feel, what electric capacity produce feel the anti - with permit the anti -
指對電流所呈現的阻力。阻抗包括純電阻和電感電容產生的感抗和容抗。 -
Ultrasonic plastic welding theory is generated by the generator 20khz or 15khz pressure, high - frequency signals, the system can be adopted for the high - frequency signals into mechanical vibrations, and in plastic products working, through working surface and internal friction among elements spread by the department of the interface temperature, when the temperature reached the melting point of her own, that the working interface rapid melting, and then fill in the gaps between the interfaces when shock stop working at a certain pressure and cooling will be a perfect welding
的高壓高頻信號通過換能系統，把信號轉換為高頻機械振動，加於塑料製品工件上，通過工件表面及內在分子間的磨擦而使傳處到介面的溫度升高，當溫度達到此工件本身的熔點時，使工作介面迅速溶化，繼而填充于介面間的空隙，當震動停止，工件同時在一定的壓力下冷卻定形成完美的焊接.點擊數： 723錄入時間： 2006 - 5 - 14 -
The primmp fact about that is decomposed point of co is lower ( rough1y l0gpa ), it preceded to break down to atoms as c and o at the saxne emlironment, thus separaed c clllsers consuxned a mass of heat energy in the system and declined systimatic energy, and dominated the shock compressed behaviors of the adinixtur ; while the decomposed point of the monomer n, is relative highertorobably 26gpa ), therefore, its impact to the shock compressed behaviours of the admixture seems weaker in that pressure region
其原因是co的離解點較低（約10gpa ） ，故先行離解；析出的碳團簇消耗了大量熱能，導致體系總能量降低並對混合物的沖擊壓縮行為四川大學博士學位論文起著主要影響；而單體n 。的離解點較高（約26gpa人對該壓力范圍混合物沖擊壓縮行為的影響相對較弱。 -
The prediction of disastrous space weather is a hot topi c among solar - terrestrial physics and high technological fields. we propose that the future forecasting of the physical conditions that the violent solar disturb ance causes at the earth by propagating in solar wind depends heavily on the num erical method. this paper analyses the existing problems we are facing in the num erical prediction of disastrous disturbance events in solar - terrestrial space, an d then gives some suggestions for future study. for such a purpose, a six step sol ution method is developed to deal with one - dimensional symmetric interplanetary shock dynamics. it should be point out that that initialization of fully self - con sistent 3 - d mhd codes considering the solar - interplanetary - geomagnetic coupled r elations with initial - boundary values at 1r of the global output of solar pl asma and magnetic field using available solar observations is an essential requi rement in space weather operational codes for forecasting purposes
空間災害性天氣的預報是日地物理學界及高科技領域的熱門話題.未來預測太陽劇烈擾動所造成的行星際風暴到達地球空間的狀態勢必藉助于數值方法.淺析了空間災害性擾動事件數值預報存在的問題及未來設想，針對這一目的對一維球對稱問題提出了處理行星際激波的6步求解方法，指出未來空間災害性擾動事件預報模式應是一個基於三維的以真實太陽風為背景自洽建立起來的、以太陽等離子體輸出及磁場全球結構為初邊值、太陽、行星際、地磁因果耦合模式 -
Objective and background this paper deals with the effectiveness of the two channels in sterilized intervention : portfolio balance channel and expectation channel, analyzes their effectiveness in case of china, and deducts policies which should be taken to improve the effectiveness of the sterilized intervention in china. foreign exchange intervention is critical for foreign exchange rate policy. it aims to counteract the shock to the foreign exchange rate, and bring it to the reasonable place determined by the fundamental variables when the actual exchange rate is far away from the equilibrium point
一、研究目的和背景本文將從理論上考察沖銷干預的兩種渠道? ?資產組合平衡渠道和預期渠道的有效性，並結合中國的沖銷干預實踐，分析這兩種渠道在中國外匯沖銷干預的有效性和在未來的可持續運用空間，最後得出提高沖銷干預有效性，實現匯率穩定和貨幣政策不受匯率政策干擾雙重目標，並盡量避免沖銷干預給經濟帶來負面影響的政策建議。 -
The picture composition method applied in commodity propagandizing was introduced, which were to utilize the main body, the accompany body, the foreground, the background, and the environment correctly, and to choose the right point in people shooting, so as to strengthen the visual shock effect and to improve the propagandizing and the sales promoting effects
摘要論述了在商品包裝宣傳中，應用拍攝構圖中的主、陪體，前後景，環境等要素，準確選擇拍攝中的裁身點，以達到強化商品包裝宣傳的視覺沖擊力的目的，使其更好的發揮宣傳、促銷商品的功效。 -
His point was to shock medical researchers into using better statistics, because the ones they routinely employ today run the risk of identifying relationships when, in fact, there are none
他的原意是告誡醫學科研究員必須使用更可靠的統計方法，因為目前研究員用來驗證事物相關的統計而得出的結論實際上並不存在。 -
The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point
本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。 -
In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv
首先簡要介紹了科學計算與科學計算可視化的概念、歷史背景、意義及應用現狀，重點說明了計算爆炸力學中的可視化問題，在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要點和本文的研究內容。在介紹可視化基本參考模型和mmic程序的數據文件結構的基礎上，給出了矢量數據文件的結構，詳細闡述了二維數據場的可視化技術，包括標量場和矢量場的可視化，針對原visc2d軟體的不足，給出了改進方法，提出了全幀著色映射方法和用於矢量數據可視化的基於噪聲著色的線積分卷積方法，以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上，針對原visc2d軟體只適用於單文檔窗口的缺點，本文利用多文檔mdi窗口，研製了標量場與矢量場的可視化軟體vsv （ visualizationofscalarandvector ） 。
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