preserved in nitrogen

While ancient mummification techniques originally preserved the pharaohs, for the move they have been placed in special nitrogen-filled boxes to help protect them against external conditions.

古代木乃伊制作技术能够保存法老尸体，如今为了搬家，装载木乃伊的特制棺材内填充了氮气，以防受外部环境的影响。

Taken from fetus of non-plan-birth in aseptic condition, limb and costal cartilages were used in 38 clinical cases after being frozen at-80 ℃ and preserved in-196 ℃ liquid nitrogen with 15% dimethylsulfoxside ( DMSO) as cryoprotective agent.

在无菌条件下切取计划外生育引产胎儿的四肢及胸肋部软骨，应用于临床38例。将切取的软骨经15%的二甲基亚砜（DMSO）为低温保护剂。

Individual blastomeres of gold fish were isolated at blastula stage and preserved in liquid nitrogen at-196 ℃ with the additives of DMSO and collagen in the medium for cryogenic storage.

将金鱼囊胚期的细胞分离后，保存于-196℃液氮中，并对保存后化冻的细胞用细胞核移植的方法检测了其细胞核发育的能力。