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It was found for the first time in b-FeSi2 based thermoelectric materials that a p-type semiconductor could change to an apparent n-type one, when the temperature was decreased below a critical temperature.

本项目研究首次在b-FeSi2基热电材料中发现"热伏极性"反转现象，即p-型半导体在某个临界温度以下表现为明显的n-型半导体热电特性。

In the youth long other bends down in this clamors silent, has shed palely lively .

青春在此长彼伏的喧哗里寂静，淡褪了繁华。

In his right hand, which lay with the palm downwards, a wax candle had been thrust between the thumb and forefinger, and an old servant bending down over the chair held it in it.

右手手掌向下，大拇指和食指之间插着一根蜡烛，一名老仆从伏尔泰椅后面弯下腰去，用手扶着那根蜡烛。

I used navy blue panne velvet, which is velvet with a flat pile so it has a shine on it, she describes.

我用了藏青色的平绒，那是一种绒毛平伏，闪闪发光的天鹅绒，比加讲解道。

I leaned on the parapet and watched the river. It was a different place in the winter.

我伏在桥栏上，凝望着这条河，冬日里的这条河已经是别样的一番景象了。

Then he leaned his head forward on the parapet.

他将头伏在矮墙上。

They leaned over the low stone parapet and stared into the pool .

他们伏在低矮的石墙上俯身凝视着游泳池。

I leaned on the parapet and watched the river flowing under the bridge.

我伏在桥栏上，凝望着桥下。

They leaned over the low stone parapet and stared into the pool.

他们伏在低矮的石墙上俯身凝视著游泳池。

They lean over the low stone parapet and stared into the pool.

他们伏在低矮的石墙上俯身凝视著游泳池。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。