查询词典 band width

The results show that the angle of incidence has effect on band-gap width and central wavelength of band gap.

理论计算和实验表明，入射角对光子带隙的宽度和带隙中心波长均有影响。

The relationship of optical gain with well width, lnAs composition and the carrier concentration is obtained by considering the energy band of the strain material, transition matrix, band gap shrinkage due to carrier concentration, and carrier intraband relaxation.

考虑了应变体材料的能带结构、光跃迁矩阵元、载流子浓度引起的禁带变窄以及载流子带内驰豫效应后，模拟得到了GaAs／InGaAs／GaAs应变量子阱光增益与阱宽，InAs给份及注入载流子浓度的关系。

For your antenna to pick up the full width of the FM band the crossbar of the T should be 4 feet , 9 inches long.

将您的天线调整到适合FM波段的尺寸的充分的宽度结合T 字的横段应该是4 英尺长、9 英寸宽。

The method controls the move of head flying over the disk by firmware and analyzes the width change of projection of the read head, write head and erase band. The experiment shows skew angel can change off-track capability of magnetic head and change the radial error propagation of radial error of self servo-writing.

分离式磁头对硬盘驱动器伺服信息自刻写的影响同样不容忽视，为此提出了一种测定磁头偏移磁道能力大小的方法：通过控制磁头飞行过程，并在飞行过程中动态获取读头信号幅度和比特误差率，从而获取磁头磁道偏移能力。

XRD,X-ray EDS analysis,AFM and Fourier transform infrared spectroscopy were employed to characterize PbSe thin films. The results show that all of the films were heteromorphy and the growth temperature has effect to the diffract peaks of the films. The contents of PbSe thin films by PLD consisted with the targets,and realizing thin films deposited with same constitutes; the films had rather flatness surface and compact structure; the peak-to-tail roughness of PbSe thin films surfaces was less than 200nm;they had sensitivity to light of a specified wavelength and obvious absorption edge at 5μm corresponding to band-gap width of PbSe thin films;light of wavelength less than 5μm was strongly absorbed.

通过脉冲激光沉积法在Si(111)和SiO2玻璃基片上制备了PbSe薄膜。X射线衍射、X射线能谱、原子力显微镜、傅里叶变换红外光谱仪测试结果表明：所有制备的薄膜都为多晶薄膜，发现薄膜生长温度对薄膜衍射峰有一定影响；PLD法制备的薄膜的成分与靶材的基本一致，实现了同组分沉积；所有薄膜表面比较平滑，表面不平整度小于200nm，结构比较致密；PbSe薄膜对红外光具有敏感的响应特性；在波长为5μm处存在有明显的吸收边，此吸收边对应于直接带隙PbSe材料的禁带宽度；对应于波长小于5μm的红外光，PbSe薄膜存在有明显的强吸收。

Perhaps this is why many men choose a medium-width band with an inlay of stones or intricate design.

或许，这就是为什麼很多人选择一个中型宽波段与镶嵌的石头或复杂的设计。

On the first subject, the phase approximation of image formation algorithms for UWB SAR operating on P band was discussed in detail. The methods to determine the consistent focusing swath width in Chirp Scaling algorithm using residual coupling phases and range spectrum characteristics were also proposed.

本论文以国防预研项目为背景，针对现有实测机载P波段UWB SAR数据成像处理中所面临的问题，围绕宽幅成像算法、运动补偿和图像干涉三个方面展开了深入研究，取得了有益的成果。

The contents are: measure and tuning of accelerating cavities, coupling cavities, measure of quality, field distribution, dispersion curve . and the way of measuring and eliminating the stop band, etc. At the same time, utilizing the test data and the dispersion equation of cavity chain, we make a fit dispersion curve by way of least squares fit, and we work out the width of stop band and the intercavernous coupling coefficient.

内容包括：加速腔频率韵测量和调谐、耦合腔频率的测量和调谐、品质因素的测量、场分布的测量、色散曲线的测量、禁带的测量和消除等，同时，论文还从腔链色散方程和测得的实验数据出发，利用最小二乘法进行拟合得到拟合色散曲线，并计算出禁带的大小和腔间耦合系数。

ERGs and VEPs were measured in all rabbits before and after the following treatments being carried out: Firstly, cryoablation was performed on the sclera for about 30 sec in the 4 New Zealand rabbits that formed a 3-mm width of full, 3/4, 1/2, and 1/4 circular band respectively that ensured the retina, choroid and sclera were damaged in the band.

我们利用临床眼科手术的冷冻法在四只纽西兰大白兔的左眼於角膜边缘向下约4~5 mm的位置，动此手术以3mm破坏环宽度分别在四只兔子左眼做多点环形一圈、3/4圈、1/2圈及1/4圈的冷冻手术，每一点冷冻时间约30秒，术后立刻点Pred Forte药水抑制发炎。

As time increases, these domains grow into small rectangles with almost identical lengty but varied width, ranging from 5 μm to 20μm. Interesting finding is that a quasi-periodic variations in the domain width seem to exist along the band-shaped chain.

带状结构中畴块的大小不均，其宽度分布的最可几值约在5μm~20μm之间；在一定区域内，同一条带状结构的畴块长度基本一致，且随时间△t的增加而增加。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。