血流速計 的英文怎麼說
中文拼音 [xiěliúsùjì]
血流速計
英文
blood flowmeter- 血 : 血名詞(血液 多用於口語) blood:吐血 spit (up) blood; 血的教訓 a lesson paid for [written] in b...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
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In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed
本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性,計算了分支血管血液流動的速度矢量分佈,同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈,及顆粒物所受壓力狀況,給出了顆粒物的運動趨勢,分析了引起粥樣斑塊病變、血瘤、血栓的可能原因Three kinds of results are obtained by simulation calculating the two models : the composed vector diagrams of the axial velocity ( v ) and the radial velocity ( vr ) at the different times in the symmetry section ; diagrams of curves of the velocity vector ( v ^ ) and ( vr ) at the different times in the different sections ; diagrams of the secondary flow vectors at the different times in the different sections
我們對兩種不同直徑的s型血管進行了有限元模擬計算,得到三種結果:在對稱面內不同時刻的軸向速度v _和徑向速度v _ r的合成矢量;在不同截面不同時刻的速度分量v _和v _ r的曲線圖;在不同截面不同時刻的二次流的矢量圖。Ultrasonic blood flowmeter
超聲血流速計Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並對系統中的數據流向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。Electrocardiogram and respiratory tracing by a nasal thermistor were recorded simultaneously with the echocardiograms
不同呼吸相所測的各瓣口血流速度分別取平均值,計算rvi 。The models are obtained by simulating and simplifying the big curve at the arch of aorta and opposite curve of branching vessels. the original conditions of simulation calculating are the entrance velocities and the exit pressures. the boundary conditions are the wall non - slippery flow conditions and the symmetry conditions
它是基於主動脈弓處的大彎曲和分叉血管的反彎曲進行模擬簡化,模擬計算的初始條件是進口速度和出口壓力,邊界條件是壁面無滑流條件和對稱性條件。It has been a long time on blood velocity measurement [ 9 ] of this type. there are many methods to obtain the windows. but the intensity signal obtained from the windows is n ' t accuray of some methods or the real time property is not very good of others
用相關演算法時,血液流速是血管上兩窗口間的距離除以血液流過兩窗口所用時間,時間用兩窗口血液灰度信號最大相關計算得到,微循環血液流速測量的研究已經有很長的時間[ 9 ] ,其中血管窗口的選取現在有多種方法,但現有的方法要麼窗口取得不準確[ 9 ] ,要麼實時性較差。The blood flow velocities of each valve during quiet and resistant respiration were averaged separately and those were again averaged for at least 3 consecutive respiratory cycles, and the rvis were calculated
其中30名健康志願者還檢測不同阻力呼吸時(胸腔壓力變化分別為: mmhg 、丑和)的各瓣口血流速度,並計算rvi值。The transport of macromolecules in curved tubes with permeable arterial wall was simulated numerically. the fields of axial velocity, the fields of secondary flow function and the distribution of wall shear stress along the transverse section of arterial wall were obtained under different dean number, 10
10800 ,計算了彎曲血管內的二次流軸向速度場和剪應力沿管壁分佈的情況。計算求得了在不同dean數和peclet數下,其中10In the part four and five, the comprehensive design of hardware and software is introduced part by part including circuit, flow chart of every module and partial program codes
第四、五部分分別詳細地介紹了快速輸血輸液裝置硬體設計的電路原理、軟體設計的流程和部分程序代碼。Cfvr readings provide a way to non - invasively gauge how well the cells that line blood vessels are working
冠狀動脈血液流速計提供了一種無級測量細胞血管工作的方法。分享友人