A-PD

Parkinson s disease ( PD ) is a degenerative disorder characterized by a loss of midbrain dopamine ( DA ) neurons.

帕金森病 ( PD ) 是一种以中脑多巴胺神经元丢失为特征的 中枢神经 系统退行性疾病.

On the basis of wavelet analysis a three-dimensional time-frequency pattern to characterize partial discharge ( PD) impulse signal is upbuilt which comprehensively shows three basic features of PD impulse signals: time component, frequency component and distribution of discharging energy.

根据小波理论建立了表征局部放电脉冲信号的三维时频谱图，该三维谱图综合反映了局放脉冲信号的3个基本特征：时间分量、频率分量和放电能量的分布。

A Designing Method of Ground-based Low Altitude Radar Using PD System

一种地面低空雷达应用PD体制的方法设计

Sb, Ag, Cu, Pd and Ni films deposited on Si substrates were irradiated with 6 MeV F ions. The Scotch tape test was employed to measure adhesion changes as a function of dose.

用6MeV F离子束辐照了淀积在Si单晶基底上的Sb、Ag、Cu、Pd和Ni金属薄膜，并用胶带法对不同辐照剂量的各点进行了增强附着阈剂量的测量。

We demonstrate a dual-operation-mode UV Schottky-barrier PD fabricated on high-resistivity GaN homoepitaxial layer with low defect density.

我们基于高阻的低缺陷密度同质外延GaN材料首次制作了具有双工作模式的肖特基势垒型紫外探测器。

Echo modeling and simulation in a PD fuze target simulator for phase modulation by pseudo random coding are studied.

针对伪码调相脉冲多普勒引信目标模拟器的视频回波信号进行建模与仿真。

A PD radar system was designed with solid-state microwave devices and DSP.

应用固体微波器件和DSP处理器设计了脉冲多普勒雷达系统。

Fredericksburg PD put a bolo out on him last night.

菲德烈堡警局昨晚发了通缉令。

Peritoneal dialysis ( PD ) related infections continue to be a serious complication for PD patients.

腹膜透析 ( PD ) 相关感染仍然是腹膜透析病人面临的一个严重并发症.

Peritonitis is still a cause of dropout and hospitalization in PD patients.

腹膜炎仍然是导致腹膜透析患者住院和退出的住院原因之一.