precursor助记

precursor

[priˈkɜːsə(r)]

n.前辈，前驱，先锋，前任;预兆，先兆，初期形式;[核]前驱波，初级粒子;预报器;

复数： precursors

英文例句/中文翻译：

1、

Real tennis, an ancient precursor of the modern game, originated in the eleventh century

室内网球，现代网球运动的古老前身，起源于11世纪。

柯林斯高阶英汉双解学习词典

2、

Nano porous TiO 2 doped SiO 2 aerogel insulation were prepared via sol gel process using tetraethoxysilane ( TEOS) as the precursor and followed by ethanol supercritical drying.

以正硅酸四乙酯为硅源，钛白粉为红外遮光剂，通过溶胶－凝胶及超临界干燥过程制备了钛白粉掺杂SiO2气凝胶。

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3、

A simultaneous synthetic template carbonization method ( SSTCM), where tetraethoxy silane ( TEOS) was used as the source of the silica template and resorcinol-formaldehyde gel as the carbon precursor, was suggested for the preparation of mesoporous carbons with a controllable pore structure.

以正硅酸乙酯为模板硅源，间苯二酚甲醛凝胶为炭前驱体，采用同步合成模板炭化（SSTCM）法制备了具有可控结构的中孔炭材料。

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