-
(单词翻译:双击或拖选)
This is Scientific American 60-second Science,I'm Cynthia Graber.This will just take a minute.Iconic works of art get exhibited worldwide.But as those paintings age,they can become to fragile to extend travel around the globe.The paint can be visually examined to gauge1 its integrity.But the only way to check the canvas has been turning the piece destructively.So a team of researchers in Euro devise a new method for diagnosing the health of the painting similar with testing blood sugar without using a needle.The scientists took samples from nearly 2000 old canvas or canvas linings2 from the 19 and 20 century.They shine infrared3 light on the fabric4 to access the table fiber5 and the relative fragility.But those results as reference to scientist then scan 20 painting spaces of Salvador Dali .Luckily,our twelves are still in its table travel in condition but they found that the older starlets are starting to weaken.
1 gauge | |
v.精确计量;估计;n.标准度量;计量器 | |
参考例句: |
|
|
2 linings | |
n.衬里( lining的名词复数 );里子;衬料;组织 | |
参考例句: |
|
|
3 infrared | |
adj./n.红外线(的) | |
参考例句: |
|
|
4 fabric | |
n.织物,织品,布;构造,结构,组织 | |
参考例句: |
|
|
5 fiber | |
n.纤维,纤维质 | |
参考例句: |
|
|
6 analytical | |
adj.分析的;用分析法的 | |
参考例句: |
|
|
7 validated | |
v.证实( validate的过去式和过去分词 );确证;使生效;使有法律效力 | |
参考例句: |
|
|
8 synthetic | |
adj.合成的,人工的;综合的;n.人工制品 | |
参考例句: |
|
|