impact velocity 中文意思是什麼
impact velocity
解釋
沖擊速度-
According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。 -
Light gas gun was used to create shock pressure. staged samples, cuneiform window with aluminium coat on the reflecting surface and visar ( velocity interferometer system for any reflector ) were employed in the experiments. polymethyl methacrylate and ofhc copper were assembled as the impactor to impact staged samples
採用氣炮加載，利用臺階樣品、雙點式visar （ velocityinterferometersystemforanyreflector ）和鍍膜楔形窗口技術，以有機玻璃和無氧銅組合為飛片，碰撞無氧銅臺階樣品。 -
The effects of impact angle, particle velocity, erodent size and impact time were demonstrated
研究了沖蝕角度、沖擊速度、磨粒尺寸、沖蝕時間等影響因素對材料的沖蝕率的影響。 -
In a study examining the impact of environmental cigarette smoke on heart blood vessels, japanese researchers found that 30 minutes of exposure to secondhand smoke reduced nonsmokers ' coronary flow velocity reserve ( cfvr ) - - a measure of the speed of blood flow
該研究調查了吸煙環境對心臟血壓的影響，日本研究人員發現暴露在二手煙環境三十分鐘可使不吸煙者冠狀動脈血液流速，這就是血液流速的測量值降低。 -
Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed
分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用 -
Adding rocket propulsion could double this velocity ? and thus the impact momentum ? which would drive them to depths 75 percent greater in granite formations and nearly 1, 000 percent greater in soft soil
加裝火箭推進器可使速度（也包括沖擊動量）提高一倍，使炸彈鉆入花崗巖的深度增加75 % ，鉆入軟土壤的深度更可增加到10倍之多。 -
For system stability, the influence of the static powder bed height was the most obvious, whereas the impact of the fluidization air velocity was slighter
對于系統穩定性，靜止料層高度的影響最顯著，而流化風速的影響較輕微。 -
At first in the condition of low - velocity impact it is discussed with the formation of ceramic smash cone angle on the base of quasi - statistic hertz and 3 a 6 y a c - theory. then using spherical stress wave reflection and transmission theory under the state of medium - high velocity the formation of spot in the ceramic back. finally the damage mechanism of ceramic suffered by the high impact is simply discussed
首先，在低速撞擊的條件下，基於準靜態hertz的理論與薩布斯基理論，分析了陶瓷破碎錐角的形成；其次，在中高速撞擊條件下，利用球面應力波反射迭加理論，分析了陶瓷背面的層裂的形成；最後，簡單討論了高速撞擊下陶瓷的破碎機理。 -
In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high
針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。 -
The simulation results indicate that impact velocity and impact angle have much influence to penetration acceleration, the higher impact velocity is, the bigger the peak value is ; the smaller the impact angle is, the smoother the acceleration curve is, and the peak value of acceleration appears regularly
模擬結果表明，著速和著角對侵徹過載有很大影響，著速越高，侵徹過載峰值越大；著角越小，過載曲線越平滑，過載峰值的出現也漸顯規律。 -
Road vehicles. measurement of impact velocity in collision test
道路車輛.碰撞試驗中沖擊速度測量 -
Specification for measurement of impact velocity in collision tests on road vehicles
道路車輛碰撞試驗的沖擊速度測量規范 -
At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated
在輕氣炮上利用研製的93w - ofc一tc4 . ai一mbz系波阻抗梯度飛片實現了對93w合金（靶材料）的準等嫡壓縮，經修正後的測試波形都是由一個較弱的初始速度跳躍和一段呈階梯狀緩慢上升的波陣面前沿所組成的準等嫡壓縮波。 -
Furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity. at the same time, the thickness off target should also be in accord with the impact velocity. finally, experiments of quasi - isentropic loading to aluminum targets with lithium fluoride windows via w - mo - ti - mg system flier - plate with graded wave impedance, having been fabricated by sps, were performed on a two - stage light gas gun
使用sps制備出平行度好、整體緻密的、 w - mo - ti - mg系準連續波阻抗梯度飛片材料，利用二級輕氣炮進行了w - mo - ti - mg系波阻抗梯度飛片材料的準等熵特性的實驗研究，成功實現了對帶窗口材料的al靶板的準等熵壓縮。 -
For a impact process with a normal impact velocity, the control equation for rkpm was deduced based on a small strain and incremental elasto - plastic constitutive law
針對沖擊速度較低的情況，假設沖擊過程為小應變，並引入彈塑性增量本構關系，推導出沖擊過程的再生核質點法計算控制方程。 -
By means of researching the meshing impact in the engagement of standard chain respectively with the spur toothed sprocket and the involute toothed sprocket, it has been discovered through analysis that by adopting the involute tooth for the sprocket could reduce the normal impact velocity in the engaging instant of chain and sprocket, thus lowered the meshing impact among chain and sprocket
通過研究標準鏈條分別與直齒鏈輪和漸開線齒鏈輪嚙合的嚙合沖擊，分析發現在鏈輪上採用漸開線齒能減小鏈條與鏈輪嚙合瞬間的法向沖擊速度，進而降低鏈條與鏈輪的嚙入沖擊。 -
The results showed that quasi - isentropic compression energy waves were produced after the impact, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles. furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity
結果表明，梯度飛片擊靶后產生的是波陣面明顯被展寬的準等熵壓縮波，準等熵壓縮波的初始速度跳躍、速度峰值和波陣面前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。 -
Critical impact velocity
臨界沖擊速度 -
Impact velocity of the pendulum
擺錘的沖擊速度 -
It is concluded that increase of temperature in csp matrix is of great extent, and is in dependence with impact velocity, rate of deformation and thermorheologic
分析計算表明:撞擊變形條件下粘性加熱使推進劑基體溫度顯著上升，溫度升幅與撞擊速度、剪切變形、推進劑熱流變特性密切相關。
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