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Both nitrous and ammoniacal pollutants are continuously and rapidly accumulating in China's environment and contribute to aerosol formation.

Of or pertaining to ammonia, or possessing its properties; as, an ammoniac salt; ammoniacal gas.

The stools are fetid and ammoniacal, and are alkaline in reaction, instead of acid as in health.

Oil of cloves and grape sugar have also the power of reducing metallic silver from ammoniacal solutions of the nitrate, when gently warmed; but the mixtures must not be made too hot.

All the symptoms of the disease, the vesical pains, the dysuria, the excretion of sand, the ammoniacal odor, etc., rapidly disappear under the influence of the medicine.