光谱管

The Raman scattering intensity of single wall boron nitride nanotubes is studied based on non-resonant bond polarizability model.

利用非共振情况下的健极化模型理论，对单壁氮化硼纳米管的拉曼光谱强度进行研究。

Experiments show that the method is easy to apply and can reconstruct both bremsstrahlung and characteristic spectra with only a few attenuation data.

实验表明，该方法可利用较少的衰减数据重建包含特征辐射的球管光谱，算法简单易行。

980Nm VCSEL array was fabricated and the comparison of output power and spectrum of array device with single device of same active area was analyzed.

研制出980nm 垂直腔面发射激光列阵，测试了输出功率和光谱，并与相同出光面积的单管器件进行了比较。

The field emission current density was increased to a maximum, and then decreased with increasing the oxidation temperature.

用扫描电镜、Raman光谱分别对300~500℃的氧化提纯后的碳纳米管的形貌和结构进行了表征。

The sample spectra were obtained with the cuvette holder in-line between the fibers.

样品光谱是通过将小型管固定器与纤维之间同轴的方式获得的。

The MWNTs were characterized by transmission electron microcopy, Raman spectroscopy, and N2 adsorption isotherms.

采用透射电镜、激光拉曼光谱和低温N2吸附对碳纳米管的微观结构进行表征。

On the basis of ultraviolet standard detector in National Institute of Standard Technology, the absolute criterion was transferred to the responsivity unknown ultraviolet silicon detector, ultraviolet multiplier phototube and the ultraviolet solar blind photomultiplier.

以NIST(美国国家标准技术研究院)紫外标准探测器为基准，在200~400 nm波段对响应度未知的紫外硅探测器，紫外增强型光电倍增管和日盲型紫外光电倍增管进行了绝对标准的传递和光谱响应度、量子效率的标定，并在350 nm对紫外硅探测器的空间均匀性进行了标定。

X-ray tube spectrum model;spectrum reconstruction;attenuation data

X射线球管光谱模型；光谱重建；衰减数据

While Ni(NO3)2 and Mg(NO3)2 were used as ushers of the catalyzers, carbon nanotubes were prepared by catalyst-assisted CVD in different ratios of gaseous mixture, which were analyzed with TEM, SEM and Raman spectrograph.

将Ni(NO3)2-Mg(NO3)2体系作为催化剂前驱体，在不同气源比例下用CVD催化裂解法制备纳米碳管，用SEM、TEM和喇曼光谱对其进行了表征和分析，制备出完整性好的纳米碳管。

While Ni(NO3)2 and Mg(NO3)2 were used as ushers of the catalyzers, carbon nanotubes were prepared by catalyst-assisted CVD in different ratios of gaseous mixture, which were analyzed with TEM, SEM and Raman spectrograph. The results show that carbon nanotubes prepared in CH4/H2=250/50=5/1 are pure and intact.

将Ni(NO3)2-Mg(NO3)2体系作为催化剂前驱体，在不同气源比例下用CVD催化裂解法制备纳米碳管，用SEM、TEM和喇曼光谱对其进行了表征和分析，制备出完整性好的纳米碳管。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐