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十亿分之

  • n.PPB
  • 网络ppb; p.p.b. parts per billon; part per billon

十亿分之十亿分之
英-汉网络释义

十亿分之

ppb

...的西门子反应器 百万分之（ppm）二的碳元素和少于十亿分之（ppb） 百万分之（ppm）二的碳元素和少于十亿分之（ppb） …

p.p.b. parts per billon

常用橡胶化工产品英... ... polypropylene 聚丙烯 p.p.b. parts per billon 十亿分之(几) ppi picks per inch 每寸纬数；寸纬；纬密 ...

part per billon

请协... ... 6.ISO 14000: 为企业环境管理所制定的一系列标准 8.十亿分之ㄧ( part per billon) 危害监定( Hazard Identification) ...

part per billion

农药生物测定复习资料_百度文库 ... ppm：part per million（ 百万分之…） 10-6 ppb： part per billion（ 十亿分之…） 10-9 ...

ppb part per billion

ppm ppb ... ... ppm part per million 百万分之…… ppb part per billion 十亿分之…… ppt part per trillion 万亿分之…

billionth

四技二专英文: 远东- 871~900 ... 893.nanotechnology n. 奈米科技 894.billionth n. 十亿分之ㄧ 895.thousandth n. 千分之ㄧ ...

例句：
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At a distance of about 300 nanometres (a nanometre is a billionth of a metre), the seesaw began to tilt towards the ball.
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But the design requires that this silicon layer be no more than five nanometres (billionths of a metre) deep.
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Most of the new elements that get created like this last billionths of a second before they disintegrate.
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The water droplets themselves can be as small as a nanometre (a billionth of a metre) across.
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Researchers assembled flat ribbons of nanoparticles - tiny bits of matter only billionths of a meter long - in a darkened laboratory.
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The odds of having both diseases are thought to be about one in a billion.
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Travelling through 700km of rock, the particles seemed to show up billionths of a second earlier than they should have.
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The new technology attaches particles just nanometer or billionths of a meter wide to fibers using microwaves.
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Carbon nanotubes, which are just billionths of a metre across, seemed the perfect needle.
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One thousand millionth of a second.
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From camera to computer in nanoseconds , sort your photos into categories and folders ultra-fast.
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We see it as a nanosecond in the vastness of time which has lead to this moment.

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