Electrophysiological parameters examined are: maximal diastolic potential, amplitude of action potential, maximal rate of depolarization of phase 0, velocity of diastolic depolarization of phase 4, duration of 50%and 90%repolarization (APD50 and APD90) and rate of pacemaker firing.
为研究主动脉前庭自发慢反应电位的去极离子流性质，利用豚鼠的离体心脏，常规玻璃微电极细胞内记录方法和离子通道阻断剂，观测最大舒张电位、0相除极幅度、0相最大除极速度、4相自动除极速度、复极50%(APD50)和90%(APD90)的时间以及自发放电频率。
Measuring the reverse bias current of an APD requires an instrument that can measure current over a wide range as well as output a voltage sweep.
测量APD的反向偏置电流需要一种能够在很宽范围内测量电流并且能输出扫描电压的仪器。
Raine tells WebMD that although there is little hope now of curing adults with APD, we know that in the next 10 years we'll have the first microchip implant to replace the hippocampus, and scientists are working on using microchip implants to replace other damaged brain structures.
Raine 告诉 WebMD 网说，虽然现在医治患有 APD 的成年人几乎没有什么希望，但我们已经知道十年内我们会把第一块微芯片植入人脑代替大脑中与情感和记忆有关的海马区，并且科学家正在***验植入微芯片代替其他受损害的大脑组织。
Based on the response characteristics of the avalanche photodiode array, a 1-D point process model of the photon counting imaging was established by using the statistics description of the random points.
从APD阵列的响应特性出发，利用随机点的统计学描述，建立了光子计数成像的一维点过程数学模型。
I love the APD, but I cannot seem to be consistent with it.
我喜欢APD，但是不能人拍合一。
Automatic Gain Control of APD is used to replace usual reducing light instrument.
采用了APD 自动增益控制代替常用的减光装置。
For the sake of accurate measurement of electric performance, an APD testing circuit is designed.
最后，为了准确测量驱动电路的电气性能和功能实现，设计了利用雪崩二极管作为进行光接收和放大器件的测试电路。
According to the damage threshold of the APD, the solar radiation that directly irradiates the system was analyzed.
根据分析所得结果，提出了改进措施，为系统的进一步完善提供了依据。
Firstly the calculation of the APD optimal avalanche gain is introduced.
首先给出了APD最佳雪崩增益的计算方法。
The prolonged effect of APD on atrium may be related to the inhibition of special ion channels.
心房肌APD的延长可能与心房肌中分布的特殊离子通道被阻滞有关。
Lorcainide could elivate threshold, prolong APD and delay CTepi, and this may be its electrophysiologic basic of antiarrhythmic mechanism.
劳卡胺可提高心肌细胞兴奋阀，延长动作电位时程，延迟跨壁传导，这可能是其抗心律失常特别是折返型心律失常的电生理学基础。
ET-1 significantly prolonged the APD and might induced the stable EADs, which appeared as an oscillation at appoxinately the termination of phase 2, in concentration- and BCL-dependent manner.
ET-1以浓度依赖的方式明显地延长乳头肌细胞的APD，并可诱发稳定的EADs。
In order to emulate and evaluate the system performance, the signal-to-noise and probability of detection vs. the gain and threshold voltage of APD arrays were discussed in this paper.
为了仿真评估系统的性能，主要分析了APD阵列增益对系统信噪比和探测概率的影响，APD阵列的阈值电压对系统探测概率的影响。
ResultsWhen 120 μmol EVFP had been reperfused for 5 min, the APD, APD50, and APD90 were prolonged, and then they were shorten gradually. Compared with the controt group, the three indexes were obviously shortened when EVFP reperfused for 10 min.
结果麻黄过多糖灌流5 min时，APD，APD50，APD90均明显延长，后逐渐缩短；10 min时，该3项指标与对照组相比显著缩短。
The effects of the photon density, APD's quench time, gate time and sample periods on the quality of the photon counting imaging were analyzed with the random sample theory of Poisson point process.
通过对光子事件发生时间统计特性的描述，分析了光子密度、门控时间、雪崩光电二极管恢复时间等因素对光子计数成像质量的影响。
Researchers have found that men with APD have an 11% reduction in a type of tissue in the prefrontal cortex -- the area of the brain associated with emotion, arousal, attention, moral conscience, and self-control.
研究人员发现患有 APD 的人大脑前额皮层的某种组织减少了11％－这一脑区与情感，激发，注意力，良知道德和自制有关。
Furthermore, a micro-pump with an APD was built a micro-fluidic-chip. In this thesis, JSR mold including a micro-pump and micro-channels were fabricated by the multi-layer coating technology. Using PDMS mold technology to fabricate micro-fluidic chip in mass production can reduce process time and cost.
研究中采行「多层涂布方式」涂布JSR-THB负光阻，制作具有微流道与无阀式微泵浦的JSR母模，此方式可以制作高深宽比结构，并可以轻易调整其结构深度，接著利用PDMS翻模大量制作微流体晶片，减少黄光微影制程的制作时间。
Meanwhile, based on the analysis of the relation between signal-to-noise ratio and optimal multiplication gain of APD, and the relation between ambient temperature and multiplication gain, temperature sensing circuit and adjustable APD bias circuit are designed.
同时分析了APD信噪比与最佳倍增增益的关系，以及环境温度与APD增益的关系，并在此基础上设计了温度采集电路和可调的APD偏置电压电路。
Methods The whole cell patch clamp techniques were used to study the changes of I K1, I to, I Ca L and APD in rat ventricular myocytes.
采用全细胞膜片钳技术记录大鼠心室肌细胞IK1、Ito、ICa L 和APD。
At the same time, quantum cryptography, based upon Heisenberg's Uncertainly principle, which guarantees its absolute security.
我完成的主要工作是实现了APD单光子探测器、通信和数据采集模块，并在具体实验时负责电路系统的调整。