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Until recently, pulse oximeter plethysmographic waveform had to be recorded and analyzed off line using software algorithms.

直到最近，脉搏血氧饱和度仪体积描记波形都必须离线使用软件算法来记录和分析。

SUMMARY: Automatic detection of respiratory variations in pulse oximetry plethysmographic waveform amplitude can predict fluid responsiveness in the operating room in patients under mechanical ventilation and has potential for fluid optimization in this setting.

概要：自动检测呼吸变化的脉搏血氧仪体积描记波幅可以预测手术室机械通气患者的流体应答，并且此设备有潜在的流体优化功能。

RECENT FINDINGS: Respiratory variations in the plethysmographic waveform amplitude have been correlated with respiratory variations in arterial pulse pressure and can predict fluid responsiveness in mechanically ventilated patients under general anesthesia.

最近的调查结果：在体积描记波幅上的呼吸变化已与动脉脉压中的呼吸变化具有相关性，并且可以预测全身麻醉下机械通气患者的流体应答。

Pulse oximeter plethysmographic waveform, obtained using a noninvasive and widely available device, has recently shown its potential interest in predicting fluid responsiveness in mechanically ventilated patients under mechanical ventilation.

脉搏血氧饱和度仪体积描记波形（由不受干扰的被广泛应用的设备记录），最近已显示出预测机械通气状态下机械通气患者的流体应答的潜在功能。

Dependence of flashover voltage on several physical factors, that is applied voltage waveform, predischarge conditioning, geometry shape and length, geometry area, dielectric material, surface treatment, magnetic field effects and multilayer high gradient insulator technology, are expatiated.

文中系统总结了目前高压真空绝缘闪络特性的实验研究成果，具体阐述了几种典型实验模型及研究方法，以及几种重要物理因素，即绝缘材料介电常数、绝缘体几何形状及长度、施加电场波形、绝缘体表面处理、绝缘体几何面积、绝缘体预放电处理、磁场作用、多层高梯度绝缘技术等等，对真空绝缘闪络特性的影响。

Based on the analysis of similarities and differences between core data, well log and seismic prospecting, the thesis makes a primary match between them;(2) Through layer boundary dividing by Walsh transformation, lithology determination by gray system and stratigraphy correlation by dynamic waveform match, an application to the aimed area was done;(3) This paper also gives the research on the character of well logs and reservoir parameters. According to the FBM protype, the profile of density and acoustic value between two wells was built. And the result showed good accordance with real logs.(4) By means of fractal reconstruction, it rebuilt the three dimensional shapes of the main stratigraphy boundaries in the studied area.

在详细分析总结岩心、测井和地震数据异同点的基础上，对三种数据进行了初步的匹配；②通过对测井曲线的沃尔什变换分层、灰色关联法岩性判别，综合多种动态层序对比技术，增改对比过程所需要的参数，进行了井间地层对比方法的探讨与应用研究；③详细研究了测井曲线以及储层参数分布的分形特征，以分数布朗运动为原型模拟出两口井中间对应地层的密度和时差参数剖面，结果与验证井数据表现出了良好的一致性；④采用分维重建方法再现了研究区块泉头组顶底面以及登二段底面的空间形态。

The proposed algorithm consists of forbidding unnecessary triggers for the inverter switches and do not need any additional circuits and off-line experimental measurement. The realization of algrithm is very simple, the harmonics in output waveform are small, and the algrithm resoves the pulsant when the system works at the low frequency. The proposed algorithm was applied to a PM synchronous motor drive system.

该算法可以省掉开关器件没有必要的开通和关断，不需要任何额外的硬件电路、离线的实验测量，算法实现简单，输出波形谐波含量小，较好地解决了系统在低频时输出电流的脉动；适用于永磁同步电机。

In the new driving system, the ramped priming waveform was introduced. The simulation of the new driving system was presented.

同时提出了对视频驱动电路的改进，设计了整个视频驱动电路，增加了斜坡初始化波形的产生电路，并对电路进行了仿真分析。

Rememberable oscillograph can be used to watch the waveform of a transient respondence of a L and C circuit conveniently.

本文介绍将普通示波器加装单片机之后，变为一记忆波器，可以很方便的用来观察L、C电路暂态响应的波形，而普通示波器是难以实现的。

The basic current waveform to restain the vibration of the motor is given.

给出了利于抑制电机中频振荡的基本相电流波形。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了