1、
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When the ZnO nanoparticles are capped with PVB, PVB molecules do not only improve the surface of ZnO nanoparticles by compensating dangling bonds and unsaturated bonds, but also spatially block the process of surface-trapped hole tunneling back into the particles to form VO recombination center.

实验结果表明:经PVB包覆后,PVB不仅减少了ZnO纳米粒子表面的悬键和非饱和键,而且也从空间上阻断了被表面俘获的空穴遂穿回粒子内部形成VO复合中心。

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3、

An electric floating of the first doped region isset at the surface of the trap region.

一第一导电形的第一掺杂区,电浮动的设于该阱区表面;

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4、

after molding, there is gas trap on the part surface, suggest adding insert.

成形后,产品表面有困气,建议增加镶件。

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5、

dolphins first trap small fish in large conch shells with their rostrums (beaks). they then bring the shells to the surface and shake them.

海豚先用它们的吻突将小鱼赶到大海螺壳中,然后将螺壳带出水面并晃动。

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6、

twisted magnetic fields arching from the solar surface can trap ionized gas, suspending it in huge looping structures.

太阳表面的扭曲磁场能够捕捉到离子化气体,以巨大的环状结构悬浮着。

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7、

influences of electron spin on the magnetic field properties of self-trapping energy of a surface magnetopolaron

自旋对表面磁极化子自陷能磁场特性的影响

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8、

was it nelson mandela, with a steel-trap political sense sneaking out from under the surface charm and grace?

是温文尔雅的外表下潜藏着极其敏锐的政治嗅觉的纳尔逊?曼德拉?。

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