空泡速度 的英文怎麼說
中文拼音 [kōngpāosùdù]
空泡速度
英文
cavity speed- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 泡 : 泡Ⅰ名詞1 (氣泡) bubble 2 (像泡一樣的東西) sth shaped like a bubble Ⅱ動詞1 (較長時間地放在液...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 空泡 : [醫學] vacuole; physalides; vacuolus
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing
由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析,總結了本實驗條件下換熱及阻力的實驗關聯式。The prediction error percentage of the 52000t all - purpose cargo ship compared with the model test result is 21. 8 %, 300000t vlcc compared with the measured value is merely 3. 64 %
用該公式預報的5 . 2萬噸多用途貨船的脈動壓力值與空泡水筒中的實驗值相比誤差為21 . 8 % ;預報了30萬噸超大型油船的激振力並由該激振力算出的尾端振動速度值與實測值相比誤差僅為3 . 64 % 。Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed
結果表明: ( 1 ) cbt在低溫協迫下,細胞圓縮,細胞核變形,染色質濃縮且邊位,細胞質空泡狀;細胞死亡率隨處理時間的增加而增加;細胞內鈣離子濃度隨處理時間延長而遞增;線粒體膜電位差在低溫處理早期急速上升,隨后一直下降;細胞內超氧陰離子( o _ 2 ~ - )在低溫處理前期出現高峰,接著呈下降趨勢;細胞內sod活性在低溫處理前期減弱,接著上升,然後持續下降。During rapid decompression, the consequences of pulmonary overinflation can cause alveolar rupture leading arterial gas embolism
當快速減壓時,肺?會發生過度膨脹的現象,終至肺泡破裂,使得氣泡進入血液內,造成空氣栓塞癥的發生。With the increasing of weir height, the pressure drop increases. and it is independent of bare tower velocity and plate dimension. the correlation before was corrected as follows : pl 3911z this paper analyzed the heat transfer coefficient between the outer wall of heat tubes and cooling water
堰高越高,換熱系數越大;在鼓泡范圍內,空塔速度越大,換熱系數越大;在本實驗條件下,熱流密度在10kw / m2附近換熱系數達到最大值。By using the simulation language open gl and programming environment vc + + 6. 0, the torpedo supercavitation simulation programis developed. with the program, we can study the supercaviting byvaring the value of the shape of the cavitato, the pressure and the mainstream velocity
應用模擬語言opengl和編程開發環境vc + + 6 . 0 ,初步開發了魚雷超空化模擬程序,本程序可以通過改變空化器形狀、壓力值、水流速度等參數來考察超空泡的形狀。Methods the 54th generation of transformed human embryonic tendon cells and artificial composite materials of carbon fibers ( cf ) and polyglycolic ( pga ) were co - cultured in vitro to construct tet. lt was frozen in liquid nitrogen with four kinds of cpa for 2 months. post - thawed quickly and transplanted into hind limbs of nude mice, and repaired the defects of achilles tendon. after 2, 4, 6, 8, 12 weeks, the morphological, histological, ultrastructure, short tandem repeat loci and immunohistochemistry examination were detected, and biomechanical strength of tet were examined. result tendon cell survived and could secret type i collagen after 12 weeks to transplanted into nude mice. in the group of dmso + raffmose + kh2o4, vacuole in mitochondrion degraded i tendon cell ranged in order, abundant collagen fibers were found and linked each other and the biomechanical strength was increased as time elapsed. c onclusion dmso + raffmose + kh2o4 could protect tet in deep low temperature
組織工程肌腱制備完成後在四種抗凍劑保護下液氮凍存2月;快速復溫后植入裸鼠以修復跟腱缺損, 2 、 4 、 6 、 8 、 12周后取出,觀察形態學、組織學、電鏡和免疫組織化學變化,短串聯重復位點檢測和生物力學變化。結果實驗組組織工程肌腱體內植入12周后仍有肌腱細胞存活並分泌型膠原;隨著時間延長, 10二甲基亞碸( dmso ) +棉子糖( 30mmol l ) + kh _ 2po _ 4 ( 25mmol l )組線粒體空泡減少,肌腱細胞排列整齊,膠原纖維增粗並連接,抗拉強度增高。The main work in this paper includes four parts : the theory research on supercavitat ing axisymmetric bodies, the numerical computations of the pressure and the velocity of the supercavity surface, experimental investigations and computer simulation of supercavitation on axisymmetric bodies
本文的主要研究工作包括:魚雷超空泡數學模型的理論分析、超空泡表面的壓力和速度數值計算、超空化實驗研究和超空泡可視化模擬四個部分。The sources are distributed on the bodies and cavity surfaces, a computer program is written to display curves of the pressure coefficient value and velocity value of the supercavity surface
通過在回轉體表面和空泡表面分佈源匯的方法,建立了求解回轉體超空泡表面壓力系數和速度的計算公式。分享友人