PPM

百万分率

常用释义

abbr. 百万分率，百万分之……（parts per million）

扩展信息

百万分之一

以百万分之一（ppm）为单位表示的一组元器件中有缺陷元器件所占的比例。fallout（析出量）在应力筛选期间或在应力筛选之 …

浓度

浓度（ppm） 5 10 15 20 25 30 35 40 45 45 50 60 70 80 90 100 加水（公斤） 200 100 67 50 40 33 29 25 22 20 17 14 13 11 1…

百万分率

是在以每百万分率（ppm）表示的本地时钟频率错误。memstats 显示有关内存分配代码的统计计数器。

彩色打印速度

同问彩色打印速度(ppm) 1.3,请问ppm是什么意思？ 2008-02-14 10:08 提问者： jdmanna 我来帮他解答按默认排序|按时间排序 …

含量

含量(ppm) 16.010 262.25 2,1075 15.081 10.120 10.359 4.9942 285.73 元素锆Zr 铌Nb 锡Sn 铯Cs 铪Hf 钽Ta 铅Pb 钍Th 含量(…

脉冲位置调制(pulse position modulation)

由于脉冲位置调制 ( ppm ) 有较高的平均功率利用率和抗干扰能力, 故 PPM是无线光通信系统中常用的调制方式。在研究 PPM …

例句

PPM has no history, options are hard to set, help scrolls off the screen, and the default is to install modules ignoring dependencies.

PPM 没有历史记录，难以设置选项，帮助会滚出屏幕并且缺省方式是忽略相关性而安装。

In PPM* it is still necessary to cope with novel characters that have not been encountered before in the chosen context.

为 ppm*它仍然是必要的，以应付新的，但没有选择的情况下，然后在遇到字符。

You are like a star six mans star, always sending out unique ray, let me feel unreachable, beautiful count dracula are not your PPM.

你就像一颗六芒星，永远散发着独特的光芒，让让我觉得可望不可及，唯美的吸血鬼伯爵也不及你的万分之一。

Scientific judgments put the "safe" level between 400 and 550 ppm with the consensus shifting towards the lower end of that range.

科学判断将“安全”水平定在 400ppm 至 550ppm 之间，人们普遍倾向于这一范围的下限。

In the scant century and a half since then, we've bumped atmospheric carbon dioxide up to 390 ppm.

在不到一个半世纪后，我们把大气中的二氧化碳猛增到百万分之 390。

As a result, the optimal filtering algorithm corresponding to our PPM can be used to any state estimation problem of polynomial signals.

因此，提出的多项式信号的最优滤波算法适用于任何可以用多项式描述的信号的状态估计问题。

Concentrations of 10 ppm can be endured for only a few minutes and cause profuse lacrimation in all people.

10ppm 的浓度，只需几分钟，就会使所有的人流泪不止。

Figure 1: A PPM solution can provide the benefits described in the text at right for each tier of the organization, as shown in the pyramid.

图 1：如图中金字塔所示，一个 PPM 解决方案可以为组织的每一层级提供右面文字中所描述的好处。

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？

PPM improves access to treatment by involving health care providers from whom the poor, marginalized and most vulnerable seek care.

公私混合改善了贫困、边缘化和最弱势人群向医疗服务提供者求医的机会。

In this dissertation applications of Pulse Position Modulation (PPM) in Optical Label Switching (OLS) technology have been investigated.

本文主要研究了光标记交换方式下脉冲位置调制技术的具体应用。

Are my sources (departments, divisions, etc. ) going to provide me the right inputs to go into the PPM infrastructure?

我的来源（各部门等）会为我提供对 PPM 基础架构的正确的输入吗？

Some of the PPM solutions offer advanced features with capabilities to track project and portfolios to different degrees.

一些 PPM 解决方案提供高级的特性，能够不同程度地跟踪项目和投资组合。

Although PPM is simple and is the most efficient of the compressors presented so far, it is also computationally the most expensive.

尽管 PPM 比较简单，但它是目前为止提供的最高效的压缩器，同时也是计算最昂贵的压缩器。

It uses a bigger set of PPM models than XMLPPM as it uses a separate model to compress the text content under each element symbol.

它使用了一组比 XMLPPM 更大的 PPM 模型，因为它使用独立的模型压缩每个元素符号下的文本上下文。

A novel state model of unknown signal-polynomial prediction model(PPM) and its optimal filtering algorithm are proposed in this paper.

提出了一种新的未知信号状态模型 ——多项式预测模型，并给出其滤波算法。

S-PPM was stronger in scavenging superoxide anion radical than PPM but it was vice versa in scavenging hydroxyl radical.

S-PPM 清除超氧阴离子自由基的作用明显强于 PPM，清除羟自由基的作用小于 PPM。

The goal of PPM is to realize these same benefits at the portfolio level by applying a consistent structured management approach.

PPM 的目标是通过一致的结构化管理方法，在投资组合的层次上意识到相同的利益。

The second category is referred to as Proc Per Minute or "PPM" effects.

第二种是每分钟触发次数（简称 PPM）。

My hope is that you will be better able to engage in an elevator pitch about PPM after reading this article.

我的希望是在阅读这篇文章之后，您能够更好的参与有关 PPM 的工作。

Amazing output colour speed of up to 35 ppm for quick and professional-looking documents.

即使以高达 35ppm 的速度进行彩色输出，文档仍具专业水准。

This article provides a high-level overview of IT Portfolio Management and takes a general look at the PPM vendor market.

本文对 IT 投资组合管理进行高度的概述，对 PPM 供应商市场进行了全面的调查。

Coordinate with relevant department about PPM revision, approve the revision of packaging materials and relevant change request.

协调有关部门进行印制包材的改版，改版的批准以及有关的变更。

The performance of digital impulse radio multiple-access receiver (DIRMA) with orthogonal M-ary pulse position modulation (PPM) is analyzed.

本文分析了基于正交 M 元脉位调制的数字冲击无线电多址接收机性能。

PPM reduces costs to patients by ensuring that treatment for TB is free of charge and all other costs are kept to a minimum.

公私混合通过确保提供免费结核病治疗和尽量压低所有其它费用，降低患者的费用。

更新时间：2025-05-29 15:22