Synthesis, Characterization and Application of nano-silica@ 2 as a Novel Organic–inorganic Hybrid Catalyst for the Rapid Condensation of Aldehyde, Ammonium Acetate and Thiobarbituric AcidSherzod Shukhratovich Abdullaev & Sulieman Ibraheem Shelash Al-Hawary & F. Al-dolaimy & Raed H. Althomali & Hashem O. Alsaab & Sheela Bijlwan & Ibrahim Hammoud Khlewee & Ahmed Hussien Radie Alawady & Ali Hashiem Alsaalamy & Rohollah Fathollahi2023PDF2.1 MBEN