Each crystal structure consists of alternating layers of silicon dioxide and a polymer material, so that the spacing between similar layers matches the wavelength of phonons.

每个晶体结构由相间的二氧化硅层和高分子聚合材料层组成，相同材料层之间的间距与声子的波长相匹配。

youdao

A new polymer material that can repeatedly heal itself at room temperature when exposed to ultraviolet light presents the tantalizing possibility of products that can repair themselves when damaged.

一种新的聚合物材料在室温紫外光照射下可以不断地进行自我恢复，这一特性表示日后的产品在受损后也可以自我修复。

youdao

Super absorbent polymer is a kind of new functional polymer material which is used widely.

高吸水性树脂是一种应用广泛的新型功能高分子材料。

youdao

In other words, this biodegradable polymer material, just a few atoms in size, can target and kill harmful microbes.

FORBES: How IBM Plans To Kill the Staph Superbug

In a process the researchers describe in articles published today in Science and Advanced Materials, they used a silicon needle with a tip about ten thousand times smaller than an ant to sculpt a polymer material known as polyphthalaldehyde.

FORBES: IBM Draws A World Map 1000 Times Smaller Than A Grain Of Sand

The bills' polymer material was exposed to temperatures as high as 284 degrees Fahrenheit and as low as minus-103 degrees in the central bank's laboratories and in a series of independent labs, according to Martine Warren, chemist and scientific adviser at the Bank of Canada.

WSJ: Canada's New Banknotes Strike Some as Loonie