氨

• It is not practical to introduce ammonia and carbon dioxide separately into the gypsum slurry .
  将氨和二氧化碳分别通进石膏料浆是不切实际的。
• deamination of threonine by the enzyme threonine deaminase produces α-ketobutyrate.
  苏氨酸被苏氨酸脱氨酶脱氨产生-酮丁酸。