In the experiment, scientists from the University of Bristol grew a layer of cells and exposed one side to cobalt-chromium nanoparticles.
在这项实验中，英国布里斯托尔大学的科学家们培养了一层细胞，将一面暴露于钴铬纳米粒子。
"One skin cycle takes 30 days (for new cells to reach the top layer of skin), so in order to see a real difference in texture, tone, and clarity, you need to use it for more than a month," she says.
因为一次皮肤循环，也就是新细胞抵达皮肤表层的时间，需要30天左右，所以要想看到肤质、光泽度和清透度明显改观，应该坚持使用新品至少一个月。
The exocarp contains only one layer of epidermal cells.
外果皮由一层表皮细胞构成。
Results The intima of aorta were smooth with only one layer of endothelial cells in control group.
结果对照组胸主动脉内膜光滑，内皮细胞排列整齐。
A bit line on the insulating layer is electrically connected to a last one of the plurality of resistive memory cells.
位于绝缘层上的位线电连接到多个电阻存储器单元中的最后一个。
A bit line on the insulating layer is electrically connected to a last one of the plurality of resistive memory cells.
位于绝缘层上的位线电连接到多个电阻存储器单元中的最后一个。
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