科学美国人60秒 SSS 2013-09-23
时间:2018-12-24 作者:英语课 分类:Scientific American(九)月
Iconic works of art get exhibited worldwide but as these painting's age they can become to fragile to estan travel around the globe.The pink can be visually examined to gage 1 the integrity,but the only way to check the canvas had been to move a piece destructively.So a team of researchers in Europe devise a new method for diagnosing the healthable paintings similar to testing a blood sugar without using a needle.The scientist took examples from nearly 200 old canvases or canvas linings 2 from the 19th and 20th centuries.They shined infuriate light on the fabric 3 to access the type of fibers 4 and relative fragility.But those result as reference the scientist then scanned 12 paintings by Salvador Dali.Luckily our 12 are still in stable traveling condition,but they found that the oldest Dali are starting to weaken.The researchers in the journal analytical 5 methods.Scientists stress that the technique is only be evaluated for 19th and 20th century canvases with nocen that fibers. But Dali would about appreciate that does marry the science of art.After all,one of his works is called amenchter cracken warson.
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- Can you gage what her reaction is likely to be?你能揣测她的反应可能是什么吗?
- It's difficult to gage one's character.要判断一个人的品格是很困难的。
- a pair of leather gloves with fur linings 一双毛皮衬里的皮手套
- Many of the garments have the customers' name tags sewn into the linings. 这些衣服有很多内衬上缝有顾客的姓名签。 来自辞典例句
- The fabric will spot easily.这种织品很容易玷污。
- I don't like the pattern on the fabric.我不喜欢那块布料上的图案。
- Thesolution of collagen-PVA was wet spined with the sodium sulfate as coagulant and collagen-PVA composite fibers were prepared. 在此基础上,以硫酸钠为凝固剂,对胶原-PVA共混溶液进行湿法纺丝,制备了胶原-PVA复合纤维。
- Sympathetic fibers are distributed to all regions of the heart. 交感神经纤维分布于心脏的所有部分。
- I have an analytical approach to every survey.对每项调查我都采用分析方法。
- As a result,analytical data obtained by analysts were often in disagreement.结果各个分析家所得的分析数据常常不一致。