And some go for pure chemistry, breaking the cellulose down into a gaseous mixture of hydrogen and carbon monoxide before building it back up into something more useful.

也有的是纯粹的化学，将纤维素分解成一种氢和碳的气体混合物，然后再将其合成更为有用的东西。

youdao

In 1911 she was awarded the Nobel Prize for Chemistry for the isolation of a pure form of radium.

1911年，她因分离出纯净的镭而获得诺贝尔化学奖。

youdao

Details have been published in the journal Pure and Applied Chemistry.

详细的情况已经发表在《纯粹与应用化学》(Pure and Applied Chemistry)期刊上。

youdao

And this will have to go up before The International Union of Pure and Applied Chemistry before they approve it because they fought over element 106 for the longest time, but I think this will go through fairly quickly.

但还是要往上申请,直到国际纯粹与应用化学联合会,因为同意,他们为106号元素抗争了很久，但我想这个应该会很快通过。

麻省理工公开课 - 固态化学导论课程节选

In other news, the Global Water Experiment that coincided with the International Year of Chemistry (2011) was held thanks to the collaboration of the International Union of Pure and Applied Chemistry and UNESCO.

UNESCO: Global Microscience and Water Experiment kits provide tools for science education in disaster stricken areas | United Nations Educational, Scientific and Cultural Organization

The International Union of Pure and Applied Chemistry opted for the latter last week, baptizing elements 114 and 116 just about six months after they were first ratified.

ENGADGET: New periodic table elements finally get names, will probably want to trade them in

The International Union of Pure and Applied Chemistry (IUPAC) will officially endorse the new element's name in six months' time in order to give the scientific community "time to discuss the suggestion".

BBC: New element named 'copernicium'