PPM的例句大全

A good synergistic effect was displayed, it can be used as a anticorrosion agent and a scaling inhibitor in a cooling water system containing chloride ion concentration as high as 40000 ppm.

实验证实了，即使在含高氯离子浓度（40000ppm）的水质条件下，产物也可被用作为一种好的缓蚀剂和阻垢剂。

Operate a PPM and work order in compliance with Chinese policies.

在符合中国各项政策的基础上执行维护保养和维修工作。

The optimum concentration of urea nitrogen was 20 ppm, higher or lower than this level were not fit for the growth and reproduction of the diatoms.

尿素态氮的浓度以20ppm最适宜，过高过低对硅藻的生长繁殖都不利。

In this paper, we have treated the phenolic waste water, which contains 300-950 ppm of phenol, with liquid membrance, i. e. NaOH solution in oil.

在本工作中，我们应用在油中含有NaOH溶液的液膜处理了含酚为300&950ppm的含酚污水。

Since PPM involves all or most teams in the organization, there will be considerable communication, collaboration, and as is often the case compromise during the deployment of this software.

由于PPM涉及组织中所有或大部分团队，因此在软件部署阶段存在相当多的沟通、协作和这是常有的事折中。

PPM can also reduce indirect costs for patients by providing services closer to their homes or workplace.

此外，采用公私混合方法，在患者住家或工作场所附近提供医疗服务可以减少患者的间接费用。

After simple introducing coherent and autocorrelation receiver, give an overview of all digital receiver situation. ( 3) PPM modulation and OOK modulation of the energy detection receiver performance is analyzed.

并对相干接收与自相关接收进行了简要说明后，然后概述了全数字接收机情况。（3）对基于OOK调制和PPM调制的能量检测接收机性能进行了分析。

The ultra wideband ( UWB) radio models have been introduced with pulse-position-modulation ( PPM), on-off-keying ( OOK) and pulse-amplitude-modulation ( PAM).

分析了超宽带冲激无线电的脉位调制、通断键控调制和脉冲幅度调制的信号模型。

This paper firstly summarizes the basic characteristics of UWB ( Ultra WideBand) signal and system, then puts emphasis on the selection, design of UWB signal waveform, i.e. monocycle pulse waveform, TH-PPM signal, etc. At last, the corresponding simulation result is given.

本论文首先简略概述了超宽带（UWB）信号及其基长特征，然后较为详细地阐述了UWB信号波形的选取与设计，其中重点讨论了单周期脉冲波形和TH-PPM信号并给出了仿真分析结果。

Technology to unite PPM with Turbo code in ultraviolet laser communication

紫外激光通信中PPM与Turbo联合编码调制研究

The two outstanding advantages of PPM compared with on-off keying modulation are presented: higher power efficiency and extremely lower symbol error rate.

分析了脉冲位置调制与目前的实际系统中应用最多的开关键控调制（OOK，On-Off Keying）相比最突出的两个优点：功率有效性、大大降低了误码率。

There were 12 kinds of low effect fungicides ( EC50 value> 20 ppm).

低效的药剂有12种（EC50值>20ppm）。

How does PPM provide for reduced cost of care and financial protection for the poor?

公私混合如何降低穷人的医疗费用和保护其经济利益？

Relational Digital Phase Lock Loop slot synchronizer for PPM Laser Communication System

PPM光通信相关式数字锁相环时隙同步器

Design of PPM Modulator and Modulator of the Wireless Optical Transmission System Used in Centrifugal Machine

一种应用于离心机的无线光传输系统PPM调制解调器设计

Preventive maintenance of pavement ( PPM) is a high standard method of maintenance.

预防性养护是一种高标准养护方式。

Application of high-order accurate PPM schemes to simulation of turbulent combustion

高精度PPM格式在湍流燃烧中的应用

The Performance of Turbo Codes in Optical PPM Communication Systems

Turbo码在光PPM通信系统中的性能分析

PPM Management: Wings for the Flying of Enterprise Economy

PPM管理&企业经济腾飞的翅膀

Maximum Likelihood Detection for Sampled PPM Signals in White Gaussian Noise

白高斯噪声下取样PPM信号的最大似然检测