pps的例句大全

Two kinds of estimators were compared under PPS sampling and simple random sampling with replacement.

本文在PPS抽样方案和有效回简单随机抽样方案的情形下构造了这两种估计并精确比较了它们的优劣.

A Pulsed Xenon Lamp Operated at 100 pps

重复频率为100次/秒的脉冲氙灯

Summarized the development actuality of polyphenylene sulfide ( PPS) fiber at home and abroad, and analyzed the confinement factors of domestic development.

综述了国内外聚苯硫醚（PPS）纤维的发展现状，分析了制约我国PPS纤维发展的原因；

In electronic encapsulation fields, the traditional thermosetting resin is gradually substituted by thermoplastic materials because the later is a recyclable materials, thus more and more countries developed many thermoplastic include PPS for electronic encapsulation.

在电子封装材料方面，随着人民生活水品的逐渐提高，各国对环保的要求越来越高，因此用可回收的热塑性树脂对电子元器件进行封装是电子封装材料发展的重要方向。

Pulses Per Second ( PPS) refers to the number of pulses per second and the number of dial pulses per second.

每秒脉冲（PPS）指的是在一秒钟内的脉冲或脉冲拨号次数。

The IRIG-B decoding device can receive IRIG-B code synchronous clock signals and Pulse Per Second ( PPS). The CPLD hardware data acquisition controller ensures the sample time accuracy in the system.

设计了IRIG-B解码器，可以接收IRIG-B同步时钟信号和PPS脉冲信号，并且设计了CPLD硬件数据采集控制控制器保证采样的时间精度；

High temperature resistant and thermal insulating DPFC pad is a compound component, using PPS resin as base resin and glass fiber as reinforcing material.

DPFC耐高温隔热垫块是以PPS树脂为基体，以玻璃纤维等为增强材料制得的复合构件，它既能耐220℃以上的高温，又兼有隔热、承压性能。

A method based on instantaneous frequency fitting is proposed for the 3rd order PPS parameter estimation.

提出了基于瞬时频率拟合的三阶PPS信号参数估计估计方法。

PPS Needle Punched Filter Materials and Their Application in Tail Gas Treatment of Incinerator

PPS针刺滤料及其在焚烧炉尾气处理中的应用

If the observed giant planet architectures are indeed the outcomes of PPS, such drastic dynamical process must affect their primordial moon systems.

如果观测到的大行星系统的确是行星散射产物，那么如此强烈的动力学过程必然影响它们的卫星系统。

a novel strong acidic ion-exchange fiber was firstly prepared by the friedel-crafts crosslinking and sulfonation of commercial pps fibers, and the novel fibrous material had high exchange capacity and good chemical stability performance.

本文首次通过对聚苯硫醚（PPS）纤维主链苯环的Friedel-Crafts烷基化交联与磺化两步反应制得一种交换容量高、化学稳定性能好的强酸离子交换纤维新材料。

Methods A total of 6854 persons aged 10 years and over were selected by the methods of probability proportional to size ( PPS) and had a questionnaire survey about vertigo, pure tone audiometry test and ear examination.

方法采用按容量比例概率抽样（PPS）方法，在江苏省常住人口中抽样，对其中≥10岁的6854人进行眩晕问卷调查、纯音测听和耳科检查。

pps fibre and its application in bag dust abatement field

PPS纤维及其在袋式除尘领域的应用

based on pps analysis, the five clinical symptoms of the subjects including the sputum character, sputum viscosity, expectoration difficulty, amount of expectoration and cough for the subjects in the acetylcysteine group and the ambroxol hydrochloride group had similar noticeable improvements after the treatment.

基于pps分析，乙酰半胱氨酸组和盐酸氨溴索组受试者的痰液性状、痰粘度、排痰难易程度、痰量及咳嗽等5项症状在治疗后均有相似的显著改善。

the results show that the performances such as producibility and dimensional stability of pps radome are superior to that of ptfe radome.

结果表明，PPS天线罩的可制造性、尺寸稳定性等综合性能优于PTFE天线罩。

study on pps/ pes blend prepared by coprecipitation technique

溶液共混-共沉淀方法制备PPS/PES共混物的研究

during melt blending cross link and/ or grafting reaction of poi with pes, peek and pps homopolymers was detected, however the reaction activity of poi with pps was much higher than that of pes and peek.

在熔融共混过程中，POI从本体向界面扩散并同PPS，PES产生交联和/或接枝，POI同PPS的反应活性远高于PES，但POI与PES发生反应。

objective to evaluate the therapeutic efficacy of intratracheal instillation of porcine pulmonary surfactant ( pps) in rabbits with lung lavage-induced acute respiratory distress ( ards).

目的本实验观察了猪肺表面活性物质（PPS）混悬液对肺灌洗致兔急性呼吸窘迫综合征（ARDS）的治疗作用。

objective to investigate the therapeutic effects and dose-effect relationship of intratracheal instillation of different doses of porcine pulmonary surfactant ( pps) in rats with oleic acid ( oa) induced acute lung injury ( ali).

目的探讨不同剂量猪肺表面活性物质（PPS）混悬液对油酸致大鼠急性肺损伤（ALI）的治疗作用及量效关系。

with the content of peek increasing, tc of pps increases and width of crystallization peak becomes wider.

随PEEK含量的增加，PPS的结晶温度提高，结晶峰宽增加。