联系我们联系我们
The first synthetic dye, aniline purple, was developed in 1856 by English chemist William Perkin. Though other synthetic chemists soon replicated the feat, it was at least another twenty years before using dyes and stains became common use in most scientific laboratories.
对不起,此内容在您的国家不适用。
您即将被转换到我们的本地网站。