Nanosized nickel oxide powders were prepared by thermal decomposition of the nickel citrate gel precursors. The thermal decomposition and powder materials deriv
Concrete has traditionally been regarded as a durable material requiring little or no maintenance. However, over the past several decades, a number of durabilit
<正>To improve the reflectance of white dielectrics,titania has been used commercially as a filler in a glass matrix despite its high dielectric constant.Howeve