critical velocity 中文意思是什麼
critical velocity
解釋
臨界流速-
Critical velocity of ultra - fine comminuting coal with dia - jet
前混合水射流超細粉碎煤粒的臨界速度 -
The qualification of multipactor and the characteristic of the angle and velocity of secondary electron were study. bring forward a improved model of multipactor and solve it by a random sample made by monte carlo, as a result, a critical curve of multipactor was gained
提出了一個改進型的次級電子倍增研究模型，利用蒙特卡羅法生成的隨機樣本來求解這個模型，得到了工作在2 . 85ghz的介質片的次級電子倍增敏感度曲線。 -
The impacts of both the velocity head and momentum distribution in the t - junction of a tailrace surge tank on the critical stable sectional area of the tank were analyzed by using gardel ' s empirical equations for t - junction flow. based on thoma ' s theory, a formula of the critical stable sectional area is derived. 5
基於gardel關於三通管水頭損失的經驗公式，研究分析了連接管處的速度水頭以及進出調壓室水體與尾水隧洞水體之間的動量交換，對有連接管的尾水調壓室穩定斷面積的影響，並在托馬（ thoma ）假定基礎上，推導出相應的調壓室穩定斷面的計算公式； 5 -
This model not only can calculate the critical pressure, critical crossflow velocity of critical point and critical layer thickness, but also can predict the relationship between the nature of the critical point and different kinds of operation parameters
用該模型不僅能計算錯流微濾過程中臨界點的臨界壓力、臨界錯流速度和臨界濾餅層厚度，還可以對臨界點的性質與微濾中各項參數的關系進行預測。 -
Analyses the smoke characteristics in the development of fire and obtains its changing curves. according to different fire loads, studies the changing relation between the critical velocity and fire intensity
摘要分析了地鐵火災煙氣特性隨火災發展過程的變化情況，得到了煙氣特性變化曲線。針對不同的火災荷載，研究了臨界風速隨火災強度的變化關系。 -
Hence, it is necessary that we should find out the effective and available scenario of fire ventilation to control the longitudinal velocity exceeding the " critical velocity " and push all of the smoke out of the tunnel
一旦發生火災，後果不堪設想。為此，我們有必要研究出一套切實可行的應急通風火災控制方案，以盡量將火災所造成的危害降到最低。該項研究具有極強的應用性和迫切性。 -
The experiment study on critical velocity of the rongchang fine coal powder
榮昌精煤粉起動流速試驗研究 -
The critical velocity at which the bird body impacts the glass at middle point to result in break of the glass is 570 - 580km / h
鳥撞飛機圓弧風擋玻璃的中點時風擋玻璃發生破碎的臨界速度約為570 ? 580km h 。 -
In the higher velocity, especially in the critical velocity, the continuous model is invalidity. 2, in this paper, assume that the track and wheels are ideally smooth and no carriage or wheel - axle bending vibrations occur. invoke the basic hypothesis of the bernoulli - euler theory of beams : namely, that plane cross - sections initially perpendicular to the axis during bending
2 、在對連續性模型的分析基礎上，假設軌道與車輪為理想光滑的、沒有車輛和輪軸激起的振動，引用bernoulli - euler梁理論的假設：即垂直於梁軸線的橫截面在彎曲過程中仍然垂直於梁的中性軸。 -
The natural vibration spectrum curve is measured and the critical velocity to induce trashrack bar galloping is calculated. the effect of bar spacing on the bar strain and the characteristics of the exciting force are discussed. by fatigue analysis it is obtained that the service life of weld at the fixed end of the bar is about 13
分析了發電工況和抽水工況時的振源特性，討論了柵條凈距對柵條應變的影響，按鋼結構設計規范對柵條進行了疲勞計算， 1 ~ #測點處可視為不會發生疲勞破壞， 2 ~ #測點焊接處的疲勞壽命約為13 . 6年。 -
The paper introduces experience of selecting hydraulic calculation formula and illustrates calculation of critical velocity of flow ( or critical pipe diameter ) and friction loss of pressure pipe in tailings transport and how to select the formula with examples
介紹工程實踐中，選用水力計算公式的體會，對尾礦輸送中臨界流速（或臨界管徑）和壓力管道摩阻損失的計算以及如何選用公式分別作了舉例說明。 -
Shock absorber is an important part of the vehicle suspension system. as an essential damping part of chassis components, shock absorber is closely connected with the operation, security and comfortabieness of the vehicle. the outer performance of shock absorber shall be indicated by the indicator diagram and the speed characteristic. the double - tube hydraulic shock absorber critical velocity is very low and easy to make outer performance degradation
減振器在車輛懸架系統中發揮著重要的作用，作為汽車底盤的主要阻尼元件，它不僅影響到車輛的舒適性，還關繫到車輛的操縱性及安全性，其外特性由示功圖和速度特性表示；普通雙筒液壓減振器臨界速度較低，易發生外特性畸變，且低溫條件下更易發生畸變。 -
A linear saturated law is used to restrain flutter. the critical velocity can be improved more than 30 %
實現了顫振的主動抑制，可以將原有氣動彈性系統的臨界速度提高30以上。 -
Ann is a adaptive and non - linear dynamic system made from superposition of many simple components which we call neuron. the question for computation of d _ ( cmax ) belongs to incipient motion of sediment in essence, which is the same question with two different sides, because computation of critical condition ( including critical velocity critical shear stress critical power ) for a grain size under a bed - load condition is equal to computation of a grain size during incipient motion under the bed - load condition and the water flow condition given before. and computation of gross bed - load transport rate has great relationship with standard of incipient motion
對于d _ （ cmax ）的推求，在本質上還是泥沙的起動問題，因為尋求某種床沙條件下某級泥沙的起動條件（如起動流速、起動切應力、起動功率）和尋求某種水流和床沙條件下的起動粒徑是同一問題的兩個方面而已；而對于推移質總輸沙率推求也和泥沙起動問題中的起動標準選擇緊密相關。 -
Applying strain - energy distributing theory during col1iding and energy ruler during colliding, the paper put forwards the critical velocity equation which rock - mass destroy when colliding occuf, and other severa1 equations to make certain average velocity and motion direction after collide. at the same time, the equation to make certain the value of energy to make rock - mass destroy has been deducted, and on the base of this, the paper brings forward the equation to calculate average diameter after rock - mass falls into pieces by the way of word - cost theory. accordingly, the paper perfectly studies the effect of falling into pieces in the course of landslide colliding
（ 3 ）首次應用碰撞過程應變能「分配」原理及巖體破壞的能量條件，導出了滑坡巖體在碰撞時發生破壞的臨界速度公式及碰撞后滑坡巖體的平均速度和運動方向的確定公式，導出了碰撞過程用於巖體破碎的能量計算公式，並在此基礎上，利用功耗原理，提出了滑坡巖體破碎后平均塊度的計算關系式，從而較完整地分析了滑坡巖體碰撞的解體破碎效應。 -
It is concluded that the critical velocity could be calculated by sharmov formula and the percentage of immobile particles of the bed should be considered for calculating the transport rate
結果表明，可以採用沙莫夫公式計算起動流速，計算輸沙率應考慮床面不動顆粒所佔比例的影響。 -
Numerical simulation and analysis of smoke characteristics and critical velocity in underground railway tunnel while fire
地鐵隧道火災煙氣特性與臨界風速的數值模擬分析 -
By reading papers on debris flow ' s triggering and confluence, we know that if we consider debris flow ' s triggering and confluence as a whole system, its whole process have many critical characteristic situation. such as, critical slope grade, critical thickness of earth source, critical precipitation, critical runoff and critical velocity of flow
本文通過對泥石流產匯流研究現狀的分析得知，泥石流的產匯流可作為一個系統來研究，泥石流產匯流過程具有一系列臨界特徵值，如：臨界坡度、土源臨界厚度、臨界雨量、臨界流量和臨界流速。 -
The lower temperature is the easier degradation. with compressed gas inside of the double - tube gas hydraulic shock absorber, a suitable pressure on the hydraulic tube, with obviously improves the critical velocity of shock absorber and then eliminates the possible distortion of outer performance degradation
由於雙筒充氣液壓減振器中充有壓縮氣體，在儲油筒內建立了一定的背壓，因而能夠明顯地提高減振器的臨界速度，有效地消除外特性畸變，顯著地改善減振器的性能，從而提高車輛懸架系統的品質。 -
Critical velocity of deposition
臨界淤積臨
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