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The small band gap and the large Bohr radius of lead chalcogenides enable unique optical, electrical, and chemical properties, presenting this family of materials as a good candidate for potential applications in solar cells, thermoelectric devices, telecommunication, field effect transistors and biological imaging.

IV-VI族铅的硫属化合物半导体纳米材料，由于他们较小的能带间隙和较大的激子波尔半径，这类材料在太阳能电池，热电器件，电子通信，场效应晶体管，生物成像技术上有很广泛的潜在应用价值。

The results indicate, the ground state energy increased quickly as the decrease of ZnO QD radius, when the radius decreased to the effective Bohr radius of ZnO exciton (aB=1.8nm), the ground state energy is 488meV higher than the conduction band bottom, about 8 times of binding energy of ZnO free exciton. When the radius is larger, the ground state energy inclined to a constant (under conductor bottom about 65meV), approximate the binding energy of the exciton in bulk crystal ZnO.

计算结果表明，激子的基态能随着粒径的减小而迅速增大，当粒径减小至ZnO的激子玻尔半径时，其基态能高出体相ZnO禁带宽度488meV，约为ZnO自由激子结合能的8倍，而当粒径较大时，其基态能比ZnO导带底低65meV，与ZnO自由激子的结合能基本一致。

The results of theoretical analysis and experiments indicate that in the frequency band of 10 to 3 000 MHz and voltage range of 0.1 to 2 V,the uncertainty is 0.25% to 0.7% and the confidence level is 99.73%. Metrology ; Voltage standard ; Bolovac ; Thin film bolometric bridge with resistance regulation network circuit ; Double thin film bolometer ; RF mount ; Uncertainty evaluation

在近期的技术改造[2]中，我们研制出电阻臂可变的自动平衡电桥，重新研制了双薄膜测热电阻，建立了射频电压自动校准系统，从而使该基准的计量性能有了很大提高，其主要技术指标如下：测量范围为0·1~2·0V；频率范围为10~3 000MHz；不确定度为0·25%~0·7%(k=3)；工作方式为自动测试。2工作原理和构成2.1工作原理射频电压基准是建立在功率替代原理的基础

You heard of Korean Pop or Hip-Hop, so now, it's time for you to experience Korean rock band - Hooligan - with the fourth album realease, they have a solid fan base all over Korea and Japen , and had choosed Shanghai,Club BonBon, to be one of the stop for their China tour.

你感受过来自韩国的流行乐队，感受过来自韩国的嘻哈组合，是时候体验一下这支已出版4张专辑粉丝遍布日韩的摇滚乐队了！这是一次MC+摇滚乐队+现场的新一轮体验，中国巡演的上海站，他们选择了BonBon，选择了热爱现场音乐的你。

The smaller bond length alternation and stronger acceptor strength result in the smaller band gap.

较小的键长变化和较强的电子受体强度都会导致较小的能隙。

Legendary bluesman Charlie Musselwhite , with the the fabulous Alex Wilson Band, set to rock Yugongyishan on Feb 1st with Beijing's own Black Cat Bone opening the show.

Charlie Musselwhite传奇老牌白人蓝调口琴先锋，2月1日将跟随绝妙的Alex Wilson乐队一起，和北京的黑猫骨乐队在愚公移山带来精彩演出。

And it was by a band called Boney M.

这是遥滚乐，歌名是多骨的M

On the band's last world tour he was sporting an extravagant moustache, a waistcoat and a bootlace tie like a gunslinger from Tombstone .

在乐队'世界巡演的最后一个奢侈的运动，他胡子，一个背心和领带鞋带像神枪从墓碑。

After Luoqiesite one bowed greatly to Ba Luoshen, language band says sarcasticly:"Doctor, ask you to help the bootlace on our department."

据说，罗切斯特曾将巴罗教士讥为"一座发霉的神学院"。某日，巴罗为国王作祈祷后与罗切斯特狭路相逢。

After Luoqiesite one bowed greatly to Ba Luoshen, language band says sarcasticly:"Doctor, ask you to help the bootlace on our department." cling to collect answer:"I ask you to lie to the ground to go up, the rank of nobility as form of a address for an official or rich man."

罗切斯特向巴罗深深地鞠了一躬后，语带讥讽地说："博士，请您帮我系上鞋带。"

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。