例句與造句

1. Monodispersed particles may be synthesized by thermal decomposing iron pentacarbonyl in liquid phase containing lauryl - phosphate mono - ester as the surfactant . with increasing dosage of the surfactant , the grain size of the particles decreases , as a result , the permittivity decreases and the permeability increases . the minimal permittivity and the maximal permeability occur at the diameter of about 39 nm
   以十二烷基磷酸酯為表面活性劑在液相中熱分解五羰基鐵制備了單分散的- fe納米粒子，發(fā)現(xiàn)隨表面活性劑用量增加納米粒子粒徑減小，粒子介電常數(shù)下降，磁導(dǎo)率上升；粒子介電常數(shù)和磁導(dǎo)率在粒徑為39nm左右分別出現(xiàn)最小值和最大值。
2. It's difficult to find phosphate mono-ester in a sentence. 用phosphate mono-ester造句挺難的