As she took down the daguerreotype, she caught a glimpse of Charles' face.

她取下相平时偶尔瞧一眼查尔斯面容。

This is what you call the daguerreotype, daguerreotype.

这照片手法被称之为银板照相法。

Researchers said the X-ray imaging process takes about eight hours on each daguerreotype plate.

研究人员表示，每张达盖尔银版上X射线成像过程大约需要八小时。

Today the topic is preserving and protecting what are called " daguerreotypes" – old photographs.

今天话题是关于保护和保存所谓“达盖尔银版照片”——一种古老影作品。

The oldest kinds of photographs we have are called " daguerreotypes."

我们拥有古老照片类型被称为“daguerreotypes” 。

Daguerreotype from 1852, reproduced from " Solntse Rossii, " 1911, No.

1852年达盖尔银版照, 转载自《俄罗斯太阳报》, 1911年, 第1期。

America's Smithsonian Institution is now working with the Argonne National Laboratory near Chicago to study daguerreotypes.

美国史密森尼学会目前正与芝加哥附近阿贡国家实验室合作研究银版照相法。

The daguerreotype first made it possible to capture

达盖尔银版法首次实像捕捉。

That's Daniel Weinberg. He works at the Abraham Lincoln Book Shop in Chicago. He has studied many daguerreotypes.

那是丹尼尔·温伯格。 他在芝加哥亚伯拉罕林肯书店工作。 他研究过许多银版照相术。

Weinberg says daguerreotypes have that kind of quality.

温伯格说达盖尔银版照片就有那种品质。

He also says daguerreotypes were one of a kind, not meant to be reproduced like current photographs.

他还说，银版照片是独一无二， 并不意味着像在照片那样被复制。

They are using the laboratory's Advanced Photon Source to learn more about the daguerreotype.

他们正在使用实验室高级光子源来解有关银版照相更多信息。

Daguerre wrote a pamphlet that gave everybody guidance on how to use a daguerreotype.

达盖尔撰写一本小册子，为人们使用银版影术提供指导。

So, there are some daguerreotype portraits, and I actually own one, and they still look incredibly clear and sharp and beautiful.

所以， 有一些达盖尔银版法肖像，我其实就拥有一张， 它们至今看起来仍然非常清晰、锐利且美丽。

Ed Vicenzi is going to talk about the daguerreotypes and the technology used in producing daguerreotypes.

埃德·维琴齐将讨论达盖尔银版照片及其制作所使用技术。

Well, daguerreotypes are made up of a bunch of " nanoparticles."

好吧，达盖尔银版照片是由大量“纳米颗粒” 组成。

With daguerreotypes, people could sit for just a few minutes while their image was captured in what is now known as a photograph.

人们只需坐几分钟， 他们形象就会被捕捉到在所谓照片中。

He talks about daguerreotype " plates" (plates).

他谈到达盖尔银版照片“板”（板）。

These daguerreotype plates are beginning, basically, to fall apart.

原因。 这些达盖尔银版照片开始逐渐分解。

He says that the nanoparticles – these very small pieces of matter – are on the surface of the daguerreotype.

他说这些纳米颗粒——这些非常微小物质颗粒——存在于达盖尔银版照片表面。