blood flow velocity 中文意思是什麼

blood flow velocity 解釋
血流速度
  • blood : n 1 血，血液；生命液。2 血族，血統；種族；家族（關系）；家世；門第；名門，門閥； 〈the blood〉 貴...
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  1. 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
  2. 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。
  3. Therapeutic effect of point - through - point acupuncture on migraineand its effects on brain blood flow velocity

    透穴刺法治療偏頭痛的臨床療效及對腦血流速度的影響
  4. After transplantation, the size of both portal and splenic veins was reduced gradually, but the size of hepatic vein increased and the velocity of blood flow in these veins increased by more than 200 %

    彩色多普勒超聲斷層檢查結果表明：術前門、脾靜脈口徑顯著擴張，血流速度緩慢，肝靜脈口徑相應縮小，血流量減少，脾臟體積顯著增大。
  5. Changes of cerebral blood flow velocity, atery blood pressure and heart rate after eating in the healthy elders

    健康老年人米餐后腦血流速度及血壓心率的變化
  6. All individuals underwent transcranial doppler ultrasonography ( tcd ) with assessment of mean blood flow velocity ( mv ) in the mcas

    所有對象都通過經顱多普勒測定大腦中動脈的平均血流速度。
  7. Methods : in 45 cases ( 50 lower limbs ) with differernt clinical stages of venous incompetence of lower extremities, the number, diameter and blood flow velocity of pvs were examined by color doppler ultrasound

    方法：用彩色多普勒超聲檢查下肢靜脈功能不全患者45例50條下肢的小腿交通靜脈的數目、部位、內徑及血流速度，並分別與患者的臨床表現分級進行相關性分析。
  8. Objective to investigate the influence of cardiac motion on the measurement of doppler blood flow velocity through an in vitro model

    目的通過體外模擬實驗，研究心臟運動對頻譜多普勒血流速度測定的影響。
  9. At the same time width and blood flow velocity of liver artery in port of liver, width and blood flow velocity of portae vein, the number of blood cells in circulation had been measured. results after liver transplant, the volume of spleen decreased, the mean blood flow velocity of spleen vein and the number of blood cells in circulation increased

    方法應用彩色多普勒超聲測量術前及術后第1 、 2及4周35例肝硬化合併脾亢病人脾臟的長徑、厚徑及脾門靜脈管徑、平均血流速度及峰值血流速度等並進行比較。
  10. Morphological changes of the vertebral artery in the cervical vertigo and their influence on blood flow velocity

    頸性眩暈的椎動脈形態學改變及其對血流速的影響
  11. Influence of repetitive transcranial magnetic stimulation on cerebral blood flow perfusion and velocity in healthy people

    重復經顱磁刺激對正常人腦血流灌注和速度的影響
  12. By fem, the numerical simulation was carried out according to such models, many important hemodynamic variables, such as the tempo - spatial velocity field at every cross section of the artery, the pressure distribution, the secondary flow and the wss ( wall shear stress ) at the specific areas were obtained, which will help understand the biomechanics of coronary atherosclerosis furtherly. many investigators studied the stenotic artery by means of 2 dimensional models, which can only simulate the planar pulsatile waves and got, to some extent, some general results of the blood flow without considering the secondary flow and the reality of physiological conditions

    本文的著眼點和研究的目的在於，希望利用在血流動力學方面的研究優勢，用有限元方法對動脈粥樣硬化的血流動力學問題進行數值模擬，研究動脈粥樣硬化在生成和發展過程中的血流動力學、血管壁生理及生物力學性能的變化規律，以及這兩種變化規律之間的相互作用與動脈粥樣硬化的發生和發展的關系，通過大量算例的對比分析，以期在這方面作些基礎而有實際價值的工作。
  13. Relationship between changes of blood flow velocity of superior mesenteric artery before and after the feeding with color doppler ultrasonography and tolerance to enteral feeding in premature neonates

    彩色多普勒檢測早產兒餐前後腸系膜上動脈血流改變與喂養耐受性的研究
  14. The edge of a group of blood is visible and easy to track. there is little distortion of the shape of a group of blood between two frames. there are many methods to measure blood velocity such as optical flow techniques [ 40, 44, 45 ], using fluorescent images [ 42 ], template matching method [ 17 ] and so on [ 43 ]

    大血管的情況復雜一些，第一類血管的血液和周圍的組織都很復雜（見圖3 . 1 ） ，這類血管有些血液和組織還很相似，特徵是流速比較低，細胞團塊邊緣清晰，在一定時間內的形變較小，本文用模板匹配法，較好的測量出這類血液的流速。
  15. Correlation is used to measure the velocity of blood flow with small diameter

    對小血管，由於相關演算法適用的流速范圍較大，所以本文只採用相關演算法。
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