Nanosized TiO2 has attracted wide attention to its preparation owing to its excellent physical performance, chemical properties and wide application prospects in many fields.

纳米二氧化钛由于其独特的物理化学性能和在诸多领域中具有广阔的应用前景而引起人们广泛关注。

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Weakness in the performance chemical unit had to do with weak market demand across the globe.

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Dr Miah says that physical and performance enhancement, be it chemical or technological, is now widely accepted in society and we should rethink how we define what's banned in sport and what's allowed.

BBC: Testing times: Injecting reality into the war on doping

I've always been against any chemical method of enhancing performance.

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