擬心臟 的英文怎麼說
中文拼音 [nǐxīnzāng]
擬心臟
英文
pseudocardia-
It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制People could admire the heart ' s delicate tracery of blood vessels with the muscle stripped away and hear a display of its electrical activity that would not have disgraced a disco
來到大廳的遊客可以細細觀察這顆沒有任何肌肉的心臟中各路血管的精密布置，而且遊人可以傾聽電子模擬的心臟跳動聲音? ?這種聲音絕對不亞于迪斯科舞曲的狂情。Simulated experiments effects of intrathoracic pressure change on hemodynamics three models that simulated the anatomic arrangement of the venous return systems and chest cavity were established to investigate the hydromechanic principle of the different influence of the itpc on the ventricular fillings. effects of intrathoracic pressure change on the motion of interventricular septum ( ivs ) acuson ' s sequoia 512 ultrasonographic system was used in this study to record the m - mode and two - dimensional cineloop images of the simulated interventricular septum movement with different intrathoracic pressure changes
指標觀測觀察並記錄外周靜脈壓和模擬胸腔壓力分別變化及同時變化時，模擬右心室的容積變化；觀察並記錄模擬胸腔壓力變化時，模擬肺血管床和左心室內壓力的變化；用sequoia512超聲心動圖儀觀察胸腔壓力變化對模擬心臟室間隔運動的影響。Because the virtual myocardial cell contains cardiac electrophysiological detail such as ionic current and action potential
因為虛擬心肌細胞是包含了離子電流、動作電位等心臟的電生理細節的。A infrared system with which can detecte the pulse of human. because human body are semitransparent, and the transparence of it change along with the heart beat. the infrared sensor can detecte the change, we may tanslate the signal from sensor into a digital form by a cmos ic. when the signal change into a digital form, another ic can get the rhythm of the heart from the analog ic. this article designed the anologe ic which got the sensor signal into digital form
本論文完成了一個基於反射型紅外線傳感器的cmos模擬專用集成電路的設計，它構成的紅外系統具有探測心跳頻率的功能。設計根據人體組織的半透明度會隨心臟跳動而變化的特點，由傳感器探測到這一變化，通過專用集成電路將信號放大並利用，獲得心跳頻率。本模擬晶元結合數字電路可計算即時心率或統計心跳總數。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。In heart modeling field, how to represent the physiological model of cardiac cell plays an essential role, its accuracy directly impacts the performance of heart simulation system
心臟建模中一項關鍵的基礎內容就是心肌細胞電生理模型的表述，它的準確性直接影響著心臟模擬系統的性能。In this dissertation, firstly, cardiac myocytes electrophysiological model is introduced. through analyzing the feature of current representing approaches of model, using xml to represent cardiac myocytes electrophysiological model in heart modeling is selected, because it can gain better scalability and compatibility. secondly, requirements of cardiac myocytes electrophysiological model in heart
本文首先介紹了心肌細胞電生理模型的表述內容，分析了當前常見的表述方法對于模擬處理的優缺點，結合這些優缺點提出了在心臟建模中使用xml來對心肌細胞電生理模型進行表述的想法，這樣表述出來的模型不僅有很好的擴展性，而且還有很好的兼容性。Analog temperature compensation crystal oscillator ( atcxo ) is widely used in electronic equipments such as communications, navigation, radar, mobile telephone, program control telephone, measure instruments etc. as their reference frequency source, it is critical part of the above equipments, called as their “ heart ”
模擬溫度補償晶體振蕩器（ atcxo ）廣泛應用於通信、導航、雷達、移動通信、程式控制電話、測量儀器等電子設備中。作為基準頻率源，它是上述電子設備的關鍵部件，被稱為此類電子設備的「心臟」 。Each type of cell in the human body utilizes only a fraction of all 3, 300 metabolic reactions, and scientists can create in silico any type of cell, from a heart cell to a red blood cell, with its particular complement of metabolic enzymes, and adjust their genetic or other properties to compute the cell ' s behav or
人體內每種類型的細胞只能利用3300種代謝反應的一部分，科學家可以在計算機上模擬創造從心臟細胞到紅細胞等任意一種類型的細胞，添加特殊的代謝酶，調節它們的遺傳或其它特性來估算這些細胞的行為。Modeling and simulation of a rotor system in an artificial heart
人工心臟傳子系統數學建模與模擬Former scientists at the university of utah now own and operate several companies producing artificial human organs such as mechanical heart and the artificial ear
以前在猶他大學工作的科學家們現擁有幾家公司，生產包括人工心臟和人工耳在內的模擬人體器官。A cornstarch - water slurry was driven by a pulsatile pump through tubing to simulate the blood flow within the heart, and the tubing was cyclically moved by a piston to simulate the heart motion
結果在模擬心臟運動作用下，原來的模擬血流波形已不存在，代之以模擬心臟運動和模擬血流按速度矢量相加規律所組成的復合波，而模擬心臟運動所產生的多普勒頻移信號的振幅和頻率都未改變且與上述血流信號並存於頻譜中。分享友人