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Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation.

均匀沉淀法合成碳酸铅,在此基础上通过高温分解制备纳氧化铅。

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The molybdenum alloy reinforced by lanthana particles with the sizes of nanometer and micron was prepared by powder metallurgy.

粉末冶金法制备了微尺寸和准纳尺寸的氧化镧粒子增强钼合金。

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In this paper,the practice of producing nanometer zincite and concentrating indium from the dust of smelting lead was introduced in detail.

文章详细介绍了利铅冶炼烟尘生产纳氧化锌并富集铟的生产实践。

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It shows that this kind of device can be tuned hundreds of nanometers.It can demultiplex any channel in all-wave fiber WDM in the future.

分析的调谐量可以达到数百纳,有望在将来的全波光纤WDM中对所有信道进行解复

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TED演讲(视频版)双语精选

Now, I have very thin hair, so my hair is approximately 40,000 nanometers in diameter.

头发很细,它直径差不多是四万纳

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Kurzgesagt 科普动画

You've become the size of a molecule, just under two nanometers wide.

你已经如分子一样大,身高不足两奈

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Scishow 精选系列

These things are in the nanometer range, so they need a high-resolution microscope.

这些东西是纳,所需要高分辨率显微镜。

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双语版 TED-Ed 演讲精选

For enamel, this process produces long, thin strands, each about 60 nanometers in diameter.

生成牙釉质过程中会产生细长纤维状物,每条纤维直径宽约60纳

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听力文摘

On the opposite scale we find the deadly West Nile virus, 50 nanometers in diameter.

与之相反是致命西尼罗病毒,直径为50纳

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双语版 TED-Ed 演讲精选

The spaces between 210 nanometer beads are just right to amplify blue light.

两百一十奈矽珠之间空间正好适合放大蓝光。

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苹果2023年秋季发布会

To start, they're the first chips for a personal computer built using the industry-leading 3 nanometer technology.

首先,这是个人电脑芯片首次采用业界领先 3 纳工艺。

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生活大爆炸 第10季

Yes, I'm trying to figure out the nanometer and the attosecond, precisely where and when an event of awareness takes place.

,我正精确地找出意识发生那一纳那一原秒,1原秒为10^18秒,或1/1000飞秒。

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TED演讲(视频版) 2019年2月合集

And after 50 years of continuous development, we can now achieve transistor features dimensions down to 10 nanometers.

经过50年不断发展,我们现把晶体管特征尺寸缩小到10纳

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Scishow 精选系列

In 2015, scientists designed a very, very thin material, like, 80 nanometers thin, that could hide equally tiny objects.

2015年,科学家制造了一种非常薄金属,仅为80纳,可隐藏相同大小物体。

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TED演讲(视频版) 2017年2月合集

They measure just 30 to 150 nanometers in diameter.

它们直径仅为 30 至 150 纳

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双语版 TED-Ed 演讲精选

For red light, with its long wavelengths, the silica beads must be close to 300 nanometers.

红光波长很长,因此矽珠必须要隔开约三百奈

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自然杂志:科技

And what popped out was a perfect dodecahedron, only 11 nanometers across.

弹出是一个完美十二面体,只有 11 纳宽。

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科技 Crash Course

Transistors as small as 1 nanometer have been demonstrated in research labs.

研究实验室已经演示了小至 1 纳晶体管。

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荧屏幕后那些事儿

In comparison the blue used in blue screen ranges from 435 to 500 nanometers.

相比之下,蓝屏中使用蓝色范围为 435 至 500 纳

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Crash Course Physics 速成课物理

Let's say there are two electrons that are 1 nanometer apart.

中。假设有两个电子 它们相距 1 纳

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问答进行中

There is actually a layer of liquid on its surface ranging between 1 and 94 nanometers thick.

实际上,其表面有一层厚度 1 到 94 纳之间液体。

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科技趋势先知

This provides what is essentially a complete picture of these tiny organisms, which average 20-300 nanometers in size.

这基本上提供了这些微小生物完整图片,它们平均大小为 20-300 纳

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Crash Course Physics 速成课物理

When talking about things on Earth, we typically use measurements in the range of nanometers to kilometers. .

谈论地球上事物时,我们通常 使用纳到千范围内测量值。

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SciShow 合集

Essentially to turn on all of the glowing molecules within a single nanometer; that's a billionth of a meter.

本质上是打开一个纳范围内所有发光分子;那是十亿分之一

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