The making process includes: setting insulating solid film on one horizontal rotating carrier with particle detecting unit and etching with single particle beam in the incident angle of 9.6-90 deg to penetrate the film, shifting the film relatively to the single particle beam and etching for the next time, and so on until the film is rotated by one turn to obtain truncated cone shaped, double turned truncated cone shaped or cylindrical single nanometer hole.

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Is part of Anping Wire Mesh World members of the CMC, is the county wire mesh industry leading enterprises, under the jurisdiction of the five factory, main products are: welded wire mesh, hexagonal wire mesh, stainless steel net , screens, chain link fence machine, Crimped Wire Mesh machines, the carrier network machine, steel nets, cotton nets, chain link fence, conveyor belt net, fencing wire mesh, mining screen mesh, barbed wire, barbed wire, construction safety nets, highway Guarding block, square hole net, heavy hexagonal wire mesh, wire netting, barbed wire, I-type network, filters, protective net, rhombus net, Micronesia stria network, board machines and other network series, more than 60 varieties, more than 1000 specifications , widely used in petroleum, chemical, machinery, construction, embracing environmental protection, embankments, railway and highway guard rails and other areas of the industrial sector and scientific research.

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Minority Carrier - A carrier, either a hole or an electron that is not dominant in a specific region

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Minority Carrier - A carrier, either a hole or an electron that is not dominant in a specific region, such as electrons

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It is found that partial substitution of Sr for La induces the hole carrier evidenced by positive thermoelectric power but no bulk superconductivity is observed.

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Based on rate equations, by use of a new method, a semiconductor optical amplifier theoretical model is constructed taking carrier density pulsation, spectral hole burning, stimulated emission, free carrier absorption, two-photon absorption and ultrafast nonlinear refraction effects into account.

基于速率方程采用新的推導(dǎo)方法得到了可以用來討論飛秒量級光脈沖傳輸特性的半導(dǎo)體光放大器理論模型欧美色综合高清视频播放，該模型同時(shí)考慮載流子濃度脈動超碰动态图、光譜燒孔、受激輻射人人干人人弄人人插、自由載流子吸收欧美一欧美视频在线电影视频、雙光子吸收和超快非線性折射效應(yīng)。

PS, NIR, UV and Raman spectra indicated that there was conjugative effect between MWNT and bromine which induced the movement of π electrons from MWNT to bromine to increase the hole carrier density.

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Through various means (for example, to inject a small number of PN junction carrier) disturbance belt electronic price band Hole and the balance of concentration, according to which non-minority-carrier in the compound and a photon.

通過各種方法(例如向PN結(jié)注入少數(shù)載流子)擾動導(dǎo)帶電子和價(jià)帶空穴的平衡濃度精品国产麻衣在线观看AV，致使非平據(jù)少數(shù)載流于復(fù)合而產(chǎn)生光子欧美成A人片免费观看久久。

The space between frequency bins is 8 sub-carrier spaces. Before the transmission of each data frame, secondary user use periodogram detection technology to detect spectrum hole, then transmit data on the spectrum hole by spectrum pool technology.

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