荧光粉

wǒ men yán zhì le dēng pào nèi bì bù tú yǐ bái sè yíng guāng fěn de gāo yā shuǐ yín dēng

我们研制了灯泡内壁不涂以白色荧光粉的高压水银灯。

A high pressure mercury tamp was designed without fluorescent powder coat on the inner wall of the bulb for sister chromatid differentiation.