動作電流 的英文怎麼說
中文拼音 [dòngzuòdiànliú]
動作電流
英文
action current-
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Effects of progesterone and vitamin k3 on ureteral action potential and urinary flow in rabbits
3對家兔輸尿管動作電位和尿流量的影響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。Its salient features are its ability to open to ionic current when stimulated on its dendrites ; to sum the incoming potentials in its cell body and to emit an action potential down its atomic part, if the potential accumulated is high enough
其顯著特點為：當加刺激於其樹突上時能開啟離子電流；能將進入細胞體中的電位相加，如積累的電位足夠高，則發出一動作電位（沖動） 。Jdy - 002 full frameless glass door electric bolt delayed time : 0s, 3s, 6s, 9s monitor output point no nc, automatically cut off the detection point after 14s when locked working voltage : 12vdc start current : 0. 85a, working current : 0. 25a features : voltage range : 9 15v with led, no noise bright silver cover left - opened type and right - opened type can be widen more than12mm dimension : 205 x 55 x 40mm weight : 1260g right - opened type left - opened type yiwu qimingxing computer company copy right
Jdy - 002全無框玻璃門電插鎖此款為右開門此款為左開門可調試延時啟動時間： 0 3 6 9秒監視接點輸出no nc信號，門上鎖后14秒自動切斷感應點使用電壓12vdc ，啟動電流0 . 85a ，持續工作電流0 . 25a特點：具指示燈，無噪音適應電壓寬度9 - 15vdc可夾玻璃門寬度為12mm亮銀色面板，分為左右兩款外形尺寸： 205 x 55 x 40mm重量： 1260gEven if the fault spread from external fault zone to internal fault zone, the differential protection can avoid misoperation. main criterion of protection is composite - percentage current differential algorithm according to every sampled value, which can accelerate the protection ' s trip, reduce large amounts of calculation and have strong stability to ta saturation
本文採用基於采樣值的比率制動式電流差動保護演算法作為保護的主判據，可以明顯提高保護動作速度和減少計算量；具有較強的抗ta飽和能力，在區內故障時無制動，區外故障時有極強的制動特性。Abstract : in this paper, the setting scheme of the current differential protection based on sampled values using fault component is investigated. the setting schemes of the resistance coefficient and the least trip differential current are discussed in detail. the probable protection setting values for the hv transmission lines are described. it testifies the feasibility for the applications of the protection to the hv transmission lines
文摘:對基於故障分量的采樣值電流差動保護制動特性曲線的整定方法進行了研究，詳細討論了其制動系數和最小動作電流的整定方法，同時對該保護在輸電線路中的應用進行了初步的估算，說明了該保護的優異性能。For the breakers with abjustable instantaneous tripping characteristics, the tripping current is shown in the following tables with tolerance of 20 separately, please note when ordering
瞬時動作特性可調的斷路器其動作電流如下表動作電流誤差為20 ，訂貨時請註明。After that, we give the regions of the dynamic instability on the parameters of stationaray current, magnitude of pulse current, and duration of the pulse
在此基礎上，給出了關于穩態工作電流、脈沖電流強度和脈沖持續時間等參數的磁彈性動力穩定性參數范圍。Under the condition of ead generation, the low and high membrane level - 25 and - 55mv of voltage were clamped during the repolarization phase of action potential. on low membrane level of - 25mv, a slow inward current similar to
在低鉀灌流並伴有ead的情況下，于動作電位復極相的低及高電位處- 25與- 55mv分別進行電壓鉗制。In contrast with conventional thermo - ionic cathode, field emitter array ( fea ) cathode has many special advantages, such as room - temperature operation without a cathode heater, high current density, low power dissipation, excellent on / off isolation characteristics and instant turn - on characteristics
與傳統的熱陰極相比，場發射陣列陰極具有許多獨特的優點，如無需加熱，可以在室溫下工作;電流密度比熱陰極高幾個數量級，並可工作在低電壓調制下;功耗低;極好的開關特性;可瞬時啟動等。Characterization of potassium currents and action potential in mouse ventricular myocytes
小鼠心室肌細胞鉀電流及動作電位特徵But studies have never been done in china in the past few years. in order for the sc and tcsc equipments to be homemade, deep researches have been made firstly to movs in this paper. special attention is devoted to the most difficult problem concerning the uniformly sharing of fault current among all shunt columns in a mov in this paper
如何能使這種限壓器在動作時流過各閥片柱的電流分流均勻，即均流問題，是mov研製過程中最主要的問題，在本文中，作者提出了兩套優化配片方案，使這個問題得到了很好的解決。The design and simulation of the circuit, which is designed to drive a power mosfet with a 500v breakdown voltage and maximum ia operation current, is implemented. the circuit can be used as a pre - regulator for electronic ballast. the ic solution also provides a voltage - regulator with the functions such as undervoltage lockout, and overvoltage protection
設計目的是使電路作為電子鎮流器的前端變換器可以驅動耐壓為500v ，最大工作電流為1a的橫向功率mos ，對整流電路的直流輸出電壓進行穩壓，並實現過壓、欠壓保護，提高用電效率，經過理論分析使經校正後的功率因數達到0 . 95以上。After discussing the theoretical basis for a designing method of cam mechanism based on output force ( moment ) characteristics, a new designing method for that mechanism is presented and then, employed for designing a spring actuating mechanism in vacuum circuit breaker with singlephasy single breaker contact which operates under the condition of high - voltage and large - current. the application of this method shows that the cam mechanism designed by using the method presented can completely meet the requirement of output force characteristics for the mechanism and, furthermore, the performance of the mechanism is remarkably better than that of similar mechanisms designed by using conventional methods
介紹了一種按輸出力（力矩）特性曲線設計凸輪機構的新方法.闡述了這種設計方法的理論依據，並將這種設計方法應用在高電壓等級、高工作電流單相單斷口真空斷路器的彈簧操動機構中.結果表明：用這種方法設計的凸輪機構完全能滿足機構所要求的輸出力特性的要求，且機構的性能明顯優于用傳統方法設計的機構Investigation of right ventricular outflow traction arrhythmias using monophasic action potential
單相動作電位在右心室流出道室性心律失常發病機制中的研究To avoid the actuator, a capacitor load being charged up by the drift current of the amplifier, a secondary feedback from the output of the amplifier has been used and expected result has been gotten
針對驅動器輸出電流漂移造成的壓電作動器（容性負載）電荷積累，文中引入了抑制驅動器電流漂移的反饋環節，取得了預期的控制效果。Input pulse signal can be directly transformed into micro - step linear motion by use of linear pulse motor, which have found wide applications in the digital linear servo systems with high positional accuracy and high reliability. taking slpmu - 025a, a two - phase hybrid lpm manufacturing by shinko motor company ltd, as an specimen, the study on the drive control system is carried out in this thesis, which contains : ( l ) three kinds of drive circuits are designed and comparison analysis in theory is done ; ( 2 ) introduction to at89c51 microchip as controller and special micro - step constant current driver, a great variety of running modes driver control are developed ; ( 3 ) experimental testing and theoretical analysis of current waveforms and displacement graphs and velocity graphs are carried out in case of different micro - step constant current driver
本文以日本神鋼電機株式會社生產的兩相混合式直線脈沖電機slpmu - 025a為樣機，對直線脈沖電機的驅動控制系統進行了研究，內容包括： （ 1 ）設計了幾種直線脈沖電機驅動器電路，從理論上進行了對比分析研究； （ 2 ）用at89c51單片機作為控制器，採用專用的恆流細分驅動器sh ? 2h057m ，實現了開環控制方式下對slpmu ? 025a樣機各種運行方式的驅動控制； （ 3 ）對不同細分數下恆流驅動的電流波形以及各種運行方式下的位移圖、速度圖進行了實驗測試和理論分析研究。This power source has many characteristics such as simple circuit, fast response, high stability, high efficiency and maximum protect current can be set by manual
具有線路簡單、響應迅速、穩定性好、過流保護動作電流可人為設定、效率高等特點。分享友人