ppb

US 
UK 
  • abbr.(=parts per billion)十亿分之一
  • Web十亿分率；十亿分之几；十亿分之一浓度

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Web Definition

abbr.
1.
(=parts per billion)十亿分之一

Sample Sentence

Definition:
AllAll,十亿分率十亿分率,十亿分之几十亿分之几,十亿分之一浓度十亿分之一浓度
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
The presence of inclusions and developed prior particle boundaries (PPB) damage mechanical properties and service life of HIP disk.
PPB（原始粉末颗粒边界）和夹杂物等缺陷对盘件的性能和使用寿命不利，必须予以消除。
PPB ( yuán shǐ fěn mò kē lì biān jiè ) hé jiā zá wù děng quē xiàn duì pán jiàn de xìng néng hé shǐ yòng shòu mìng bú lì , bì xū yǔ yǐ xiāo chú 。
www.ceps.com.tw
2.
Objective: To assess the PPB rate and outcome and identify risk factors associated with PPB in patients taking clopidogrel.
目的：评估服用氯吡格雷病人PPB的发生率，结果以及相关的危险因素。
mù dì : píng gū fú yòng lǜ bǐ gé léi bìng rén PPB de fā shēng lǜ , jié guǒ yǐ jí xiāng guān de wēi xiǎn yīn sù 。
www.csde.org.cn
3.
In original English language for the 1st impression. The Net Price to the Publisher is at the ratio 1. 6 of the PPB cost.
原书第一次印刷的文字形式是英文。出版者支付的净价依据PPB成本1.6的比率计算。
yuán shū dì yī cì yìn shuā de wén zì xíng shì shì yīng wén 。 chū bǎn zhě zhī fù de jìng jià yī jù PPB chéng běn yì diǎn liù de bǐ lǜ jì suàn 。
dictsearch.appspot.com
4.
The Model 220 GF accessory is the latest technology in PPB level analyses by graphite furnace AA.
型石墨炉配件采用PPB同阶段分析的最新的技术。
xíng shí mò lú pèi jiàn cǎi yòng PPB tóng jiē duàn fēn xī de zuì xīn de jì shù 。
www.e-gtm.com.cn
5.
Blood levels of toxaphene residues plateaued at 40 ppb, adipose levels at approximately 4000 ppb.
血液中的毒杀芬残留量平稳在40浓度，脂肪含量约4000浓度。
xuè yè zhōng de dú shā fēn cán liú liàng píng wěn zài sì shí nóng dù , zhī fáng hán liàng yuē sì qiān nóng dù 。
www.syyxw.com
6.
Food and water all contain lead. Currently, the EPA allows 15 ppb of lead in your drinking water.
食品和水同样含铅，如今，美国环保署允许饮用水的含铅量是15PPB。
shí pǐn hé shuǐ tóng yàng hán qiān , rú jīn , měi guó huán bǎo shǔ yǔn xǔ yǐn yòng shuǐ de hán qiān liàng shì shí wǔ PPB 。
www.elanso.com
7.
Study on flow-injection spectrophotometric determination of ppb level silicate in boiler water and feedwater in thermal power plant
基于流动注射分析技术快速测定电厂汽水中痕量硅酸盐的研究
jī yú liú dòng zhù shè fēn xī jì shù kuài sù cè dìng diàn chǎng qì shuǐ zhōng hén liáng guī suān yán de yán jiū
ilib.cn
8.
Research on Spectrophotometric Determination of ppb-level Chloride in Boiler Water at Power Plants Based on Flow injection Analysis
流动注射-分光光度法测定电厂炉水中微量氯离子的试验研究
liú dòng zhù shè - fēn guāng guāng dù fǎ cè dìng diàn chǎng lú shuǐ zhōng wēi liàng lǜ lí zǐ de shì yàn yán jiū
www.ilib.cn
9.
Record readout in ppb after 60 seconds
60秒后记秒后记录测定结果
liù shí miǎo hòu jì miǎo hòu jì lù cè dìng jié guǒ
wenku.baidu.com
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