这点碳酸氢钠量即可防止缺钾和骨质脱钙.This modest amount of sodium bicarbonate prevents the potassium depletion and demineralization of bone.目的应用脱钙冻干异体骨 ( DFDBA ) 修复骨缺损,解决种植区的骨量不足问题.Objective To repair bone defect with demineralized freeze...
The longhorn is the Texas mascot and a passion of the family.长角牛是德州大学的吉祥物,全家人都很热爱.Dastarcus helophoroides was the most effective natural enemy against the large - body longhorn beetles attacking trees.花绒寄甲是大型天牛类林木蛀干害虫最为有...
Don't worry. Whales don't eat clown fish, they eat krill.别担心. 鲸不吃小丑鱼, 他们吃磷虾.Krill swam with the plankton , a school of young menhaden swam after the krill.磷虾游弋其中,后面跟着一大群鲱鱼.The ocean contains huge amounts of tin...