pbso4造句

• Moreover , in our work , it was found that the pbs nanoparticles were formed by using other sulfur source or a ph value less than 7 in the hydrothermal method . when using pbso4 and na2s as reactants , the autoclave was maintained at 200c for 20h , the products were pbs nanorods
  以醋酸铅和硫脲为先驱体， ph值大于10 ，在200下反应24小时，是制备pbs星状结构的最佳条件；改变硫源或体系ph值小于7时，所得产物均为pbs纳米颗粒。