Glycine and succinyl - CoA are precursors of 5 - aminolevulinic acid ( ALA ) biosynthesis.甘氨酸和琥珀酸是红假单胞菌生物转化合成5-氨基乙酰丙酸 ( ALA ) 的前体.Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or...
Each white petal had a stripe of red.每一片白色的花瓣上都有一条红色的条纹.A petal fluttered to the ground.一片花瓣飘落到地上.Look soft and natural with the sheerest neutrals and petal pinks.中性色彩和粉花瓣色带给你柔和自然的妆感.Annulet knob, circle knob, there are ...
氡和钍射气的子体易被气溶胶吸附.The daughter nuclides of radon and thoron tend to become attached.锕射气氡的一种放射性的, 惰性的和气态的同位素, 其半衰期为3.A radioactive, inert, gaseous isotope of radon, with a half - life of 3.92 seconds....