机械工程
硫脲
Lead nitrate was used as lead source, both thioacetamide and thiocarbamide as sulfur source and stabilizer, and PbS nanoparticles were prepared by using the sonochemistry method.
采用超声化学的方法,以硝酸铅为铅源,硫代乙酰胺和硫脲作为硫源和稳定剂,在超声作用下,制备了PbS纳米晶。
地球科学
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。