The addition reaction with hydrogen cyanide is base - catalysed.与氰氢酸的加成是碱催化的.Increasing the system pressure increases the concentration of ammonia and hydrogen cyanide.增大体系压力能使氨和氰化氢的浓度升高.The addition of steam inhibits th...
生我3个儿子时，我每次都出现产后大出血。I haemorrhaged badly after the birth of all three of my sons.产后, 母亲和孩子都很平安.After the birth, mother and child are doing nicely.公司破产后，有关他铺张浪费的种种传闻传遍了整个行业。When the company went under, tales of his extrav...