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动脉模型
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  arterial model
     The arterial model consists of eighteen segments represented by thin-walled elastic tubes. It is part of larger model of the closedloop human circulation.
     动脉模型包括18个看作均匀薄壁弹性管道的血管段,它是人体整个循环系统大型模型的一部分。
短句来源
  artery model
     A Study on the Wall Shear Stress of Artery Model by Using Electrochemical Measuring Technique
     用电化学方法测试动脉模型壁面剪应力
短句来源
     In this paper, we attempt to study the wall shear stress in the flow field of a T bifurcation section of an artery model by using an electrochemical measuring technique.
     应用电化学方法 ,对动脉模型 T形分叉部位流场壁面剪应力进行测试研究。
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  “动脉模型”译为未确定词的双语例句
     Methods Eight anatomical phantoms of arteries were made with different lumen diameter from 2 mm to 10 mm. Gadolinium-enhanced three-dimensional MR angiography was performed on a 1.5 T scanner with a head coil.
     方法 8个解剖学仿真动脉模型,腔内径为2~10 mm,在1.5 T MR 扫描仪上用头线圈进行钆喷替酸葡甲胺增强 MR 血管成像。
短句来源
     Objective Zero-filling interpolation(ZIP)technique allows for high-resolution angiography in less scan time. The purpose of this study was to compare two ZIP techniques in anatomical phantoms of arteries.
     目的在解剖学仿真动脉模型上对2种零点充填(zero-filling interpolation,ZIP)技术进行比较研究。
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     METHODS Observing the gasping time and survival time of the mice after decapitation or ligation of the bilateral common carotid artery;
     方法使用小鼠断头模型以及结扎双侧颈总动脉模型,观察断头后张口喘气时间和存活时间;
短句来源
     Objective To study the thrombolytic effect of intra-venous treatment by using urokinase during the acute cerebral infarction with magnetic resonance diffusion-weighted imaging(DWI) in a clot emboli occlusion model of middle cerebral artery(MCAO).
     目的利用自体血栓栓塞大脑中动脉模型,通过弥散加权成像(diffusion-weighted imaging,DWI)等影像学信息评价不同时间点尿激酶静脉溶栓治疗急性脑梗死的疗效可行性。
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     Methods: We built the mode of balloon injured artery intimium and then transfer eukaryotic expressive vector pcDNA3/VEGF through polylysine balloon into the surface of rabbit iliac artery injured by balloon.
     建立球囊拉伤血管内膜的兔髂动脉模型 ,将携带 VEGF目的基因的真核表达载体 pc DNA3/ VEGF经多聚赖氨酸处理的PTCA球囊导管导入拉伤的血管内膜。
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     This improved mixing dielectric model yields an excellent fit to measured data.
     模型
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     model.
     模型
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     AN ANIMAL MODEL OF VERTEBRO-BASILAR ARTERY ISCHEMIA
     椎基底动脉脑缺血动物模型
短句来源
     Simple and rapid rat model of arterial thrombosis induced by ferric chloride
     简易快速的大鼠动脉血栓形成模型
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     ARTERIES OF PANCREAS
     胰的动脉
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  arterial model
We applied the technique to a patient-specific arterial model, and with that we showed the effect of wall deformation on the WSS distribution.
      
Values for peripheral resistance are consistently understimated, owing to the use of an arterial model lacking viscous wall damping.
      
The simulator includes a transparent and compliant ventricle pumping into an arterial model.
      
Computer simulation was performed, using published values for vessel dimensions, in an arterial model with a coarctation and one lumped collateral.
      
As an illustration, cardiac and arterial model parameters are derived from measured experimental data in the systemic circulation of a pig and in the pulmonary circulation of a dog.
      
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  artery model
We tested the hypothesis that tissue endothelin levels and its receptor expression are increased following double balloon injury in a porcine coronary artery model of restenosis.
      
Dexanabinol prevents development of vasospasm in the rat femoral artery model
      
We tested the effect of dexanabinol (10?mg/kg) on established vasospasm in a rat femoral artery model.
      
The method was tested first on a simple artery model, and then on coronarography images obtained during routine examinations of patients.
      
A Fluid Dynamics Study in a Carotid Artery Model with Las
      
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Pharmacokinetics of amiodarone levels in serum. heart and adi-pose tissues following single or multiple dosing to rats. as well as its relation-ship to anti-arrhythmic activity, were studied. Serum drug levels were found tobe around 0.7μg/ml within 16 hours after a single oral dose of 50mg/kg. and ca.14μg/g of amiodarone was found in the heart tissue 2-8 hours after dosing,which tended to drop later. During the observation period. drug levels in adiposetissue rose continuously, being 35 times as high as that...

Pharmacokinetics of amiodarone levels in serum. heart and adi-pose tissues following single or multiple dosing to rats. as well as its relation-ship to anti-arrhythmic activity, were studied. Serum drug levels were found tobe around 0.7μg/ml within 16 hours after a single oral dose of 50mg/kg. and ca.14μg/g of amiodarone was found in the heart tissue 2-8 hours after dosing,which tended to drop later. During the observation period. drug levels in adiposetissue rose continuously, being 35 times as high as that in the serum 16 hoursafter dosing. Groups of 4 rats were orally given doses of 50 mg/kg daily for up to 3-28days. Drug levels. in the serum and tissue were determined 4 hours following thelast dose. Steady state amiodarone concentrations in serum and heart tissue werefound to have approached on dayill, thus elimination half life was estimatedto be 38-44 hours. The heart/serum drug concentration ratio kept relatively con-stant (i. e., 14-16) within day 3-28, while the fat/serum drug concentrationratio rose continuously. being 106 on day 28. Evidently, owing to the deepperipheral compartment for amiodarone. the adipose tissue was poorly distributedin short durations, while the heart was considered to be the shallow "effect"compartment, thus the heart/serum ratio started to attain equilibrium on day 3.Besides, changes in serum reverse T_3 levels were found to parallel roughly tothose in serum and heart amiodarone levels during the multiple dosing period. Anti-arrhythmic experiments were carried out either in noradrenaline indu-ced rat arrhythmia model or in rats with their coronary arteries being ligated, Although marked anti-arrhythmic effect (principally a significant decrease ofventricular ectopia) was seen half an hour after a single iv. dose of 20 mg/kgin both models. the drug was no more effective 3 hours after the injection,meanwhile drug levels ranged 20. 7-39. 0μg/g in the heart, and 0.79-1.6μg/ml in the plasma. On the contrary, daily oral dose of 20 mg/kg for successivefive days was found to be effective as tested in both models, in spite of thefact that lower drug levels in the heart ranging 10. 0-12.2μg/g were found.The relevance of the above phenomena to the application of clinical therapeu-tic drug monitoring of amiodarone was discussed.

观察了给大鼠单剂及多剂乙胺碘呋酮(简称胺碘酮)后血清、心肌及脂肪组织药浓度的动态变化,并比较了单剂和多剂给药条件下血浆、心肌药浓度和抗心律失常作用的关系。口服单剂50mg/kg后2~8小时血清及心肌药浓度相对平稳,后者约为前者的20倍。脂肪药浓度在16小时内持续上升。大鼠每天口服50mg/kg,服药3~28天期间心肌与血清药浓度比值平稳在14~16范围内,而脂肪与血清药浓度比值持续上升,给药第28天达106。多剂服药期间还看到血清反T_3持续缓慢上升,其变化大致与血清或心肌胺碘酮的变化平行。进行了5批抗心律失常试验,其中3批用结扎冠状动脉模型,2批用去甲肾上腺素模型。发现口服多剂(20mg/kg/d×5)后心肌药浓度虽较静脉注射单剂(20mg/kg)者低,但其抗心律失常作用则较好。对这种现象的机制进行了讨论。

This paper presents a simulation model which is proposed for the analysis of the human arterial system. The arterial model consists of eighteen segments represented by thin-walled elastic tubes. It is part of larger model of the closedloop human circulation. For each segment, the blood flow effect in arteries is combined with three lumped-parameter effects, i.e. fluid resistance effect, arterial capacitance effect and fluid inertia effect. Bond graphs are chosen as graphical representations of lumped-parameter...

This paper presents a simulation model which is proposed for the analysis of the human arterial system. The arterial model consists of eighteen segments represented by thin-walled elastic tubes. It is part of larger model of the closedloop human circulation. For each segment, the blood flow effect in arteries is combined with three lumped-parameter effects, i.e. fluid resistance effect, arterial capacitance effect and fluid inertia effect. Bond graphs are chosen as graphical representations of lumped-parameter models for the human arterial system. Using FORTRAN program for bond graphs, state equations of arterial system are defined in PDP11/23 computer.

本文论述一种用于分析人体动脉系统的仿真模型。动脉模型包括18个看作均匀薄壁弹性管道的血管段,它是人体整个循环系统大型模型的一部分。对于各血管段,动脉中血液流的效应由三个集中参数效应组合而成,它们是流阻效应、流容效应和流感效应。选用Bond图作为人体动脉系统集中参数模型的图解表达形式。对Bond图应用FORTRAN程序,在PDP11/23计算机中确定了动脉系统的状态方程。

Experiment al models of cerebral ischemia resulted from the acute occlusion of the MCA were performed in 41 dogs.It was resembles massive brain ischemia in human being and to assess the protective effects of mannitol,under operating microscope the models were produced by occlusion of all or almost all arteries from the right half of Willis circle through a craniotomy. Animals in the mannitol group A and B were given 20% mannitol intravenously 30 minutes prior to occluding the vessels.In this study the SEP, light...

Experiment al models of cerebral ischemia resulted from the acute occlusion of the MCA were performed in 41 dogs.It was resembles massive brain ischemia in human being and to assess the protective effects of mannitol,under operating microscope the models were produced by occlusion of all or almost all arteries from the right half of Willis circle through a craniotomy. Animals in the mannitol group A and B were given 20% mannitol intravenously 30 minutes prior to occluding the vessels.In this study the SEP, light and electron microscopes and the grading of brain swelling were used to evaluate the result of the experiments. Our results suggest that mannitol administered before operation delay the development of irreversible changes of ischemic neurons and suppress brain swelling after ischemia.Thus may race against time for more effective treatment.

本文目的是制作摸拟人类大脑中动脉主干急性闭塞所致的大面积缺血的实验模型,从功能和形态学角度,综合观察缺血前给予甘露醇对脑神经元的保护作用。模型制作采用开颅,在手术显微镜下,电凝脑底动脉环的右半侧全部或大部分动脉。用药动物在阻断动脉前30分钟静脉推注20%甘露醇。本研究主要采用有色乳胶或液体脑血管灌注法观察,以体感诱发电位和光镜电镜结果以及脑组织肿胀程度作为指标。 本实验结果表明,阻断动脉前给予甘露醇对于术中突然阻断脑主要供血动脉的模型具有延缓神经元不可逆性缺血损害和消除缺血后脑水肿的作用,从而为手术治疗赢得更长时间。

 
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