A case of acral amelanotic melanoma is reported.报告1例肢端无色素性黑素瘤.Objective : To isolate and culture hair outer root sheath amelanotic melanocyte derived from human scalp.目的从人头皮毛囊外根鞘分离纯化培养无色素黑素细胞....
a free-form jazz improvisation自由创作的爵士乐即兴演出...the contemporary crossover of pop, jazz and funk.当今流行音乐、爵士乐和乡土爵士乐的融合There have been different kinds of jazz music, the blues , ragtime, swing boogiewoogie and others.爵士音乐有各种不同...
集总常数 ) 是FDG ( 氟代脱氧葡萄糖)与葡萄糖的代谢率之比.Lumped constant ( LC ) is the ratio of FDG metabolism ratio to glucose metabolism ratio.研究表明Yb ( OSO2C8F17 ) 3和C10F18分别是最好的氟代催化剂和氟溶剂.The results showed that Yb ( OSO 2 C 8 F 17 ) 3 and C ...