Carboxylic crosslinked polystyrene microsphere was prepared by F - C acylation reaction.通过傅克酰基化反应制备了羧基化交联聚苯乙烯微球.Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation,...
Imperialistic aggressors always use gunboat diplomacy to invade countries.帝国主义侵略者总是向被侵略国施展他们的炮舰外交.Lieutenant Campbell ordered the man at the wheel to steer for the gunboat.坎贝尔上尉命令舵手将船开向炮艇。We bid for the construction of a...