通过大气层中水蒸气的冷凝作用形成了云，凝结在成簇的氨分子和硫酸分子周围。
Clouds are formed by the condensation of water vapour in the atmosphere around clusters of molecules such as ammonia and sulphuric acid.
天冬氨酸蛋白酶在氨态氮和游离氨基酸的形成过程中，贡献率最小；在将蛋白水解成肽氮的过程中，天冬氨酸蛋白酶和半胱氨酸蛋白酶起到了主要作用。
Aspartic peptidase made little contribution on the formation of NH3-N and AA-N. degradation of protein into peptides was attributed to aspartic-and cysteine peptidases.
应用推荐