介绍用相位测距仪实现波长标准及在大长度范围内传递长度单位尺寸的情况。
The situations of realizing wavelength standard with phase diastimeter and transmittinglength unit size within a large range are introduced.
如果标签上表明“紫外线吸收波长至400nm”或者“达到ANSI紫外线标准”，那么就是有效的。
If the label says "UV absorption up to 400 nm" or "Meets ANSI UV Requirements" these are effective.
不过问题在于，客户对LED照明器具的要求不仅局限于标准照度或波长而已。
Yet herein lies the issue, as customers are not defining the LED fixtures by only the standard Lux and wavelength requirements.
此外，还介绍了基于C IE标准体系的色度计算方法，以及颜色的主波长和色纯度等视觉色度参数。
In addition, the method of CIE chromaticity calculation, together with the visual colorimetric parameters, dominant wavelength and color purity, are also presented in this article.
应在线性浓度范围内制备标准溶液和样品溶液，并在同一波长处测定。
The standard and sample solutions should both be prepared in the linearconcentration range and measured at the same wavelength.
此光盘格式采用波长为405纳米的蓝光激光源，能够高密度地将大容量数据存储在标准尺寸的光盘上。
The new format USES a blue laser with a short wave length 405nm allowing large amounts of data to be packed in high density and stored on a standard size disc.
在参考通道，ITU标准参考模块的输出是具有固定波长的梳状光谱。
In standard reference channel, ITU standard reference creates a comb spectrum with fixed wavelength.
方法以高良姜素含量为指标，考察了液相色谱法测定的波长、色谱条件、流动相、线性范围、样品制备方法和中药质量标准分析方法验证试验。
Methods With amount of galangin as index, wavelength, chromatographic system and system suitability, mobile phase, linear range, preparation of sample and analytic method validation were investigated.
重点介绍脉冲式染料激光器的波长覆盖范围及用光栅和法布里-珀罗标准具压缩谱线宽度等研究工作、实验结果及测试方法。
Emphasis is put on the experimental research on its tunable range and the bandwidth narrowing with a diffraction grating and a Fabry-Perot etalon.
光谱获取的算法主要由基2- FFT和光谱标定实现，光谱标定是通过在可探测波长内取两个标准位置来计算中心波长准确位置的。
The main algorithm of spectrum analysis are the base 2 FFT and the spectral calibration that can be detected in the two standards to the location within the wavelength calibration achieved.
文中详细介绍了该法的基本原理，岭参数以及介质的选择，讨论了波长测定点数及混合标准溶液份数对计算结果的影响。
The basic principle of the approach, selection of ridge parameter, selection of medium, number of testing wavelength points and number of calibrating sets are discussed in detail.
扫描波长时，探测干涉仪的三路输出白光干涉光谱，以及标准具和光纤光栅的透射谱。
When wave length scanning is carried out, three output white light interference spectrums of the interferometer and a transmission spectrum of the etalon and the fiber grating are probed.
扫描波长时，探测干涉仪的三路输出白光干涉光谱，以及标准具和光纤光栅的透射谱。
When wave length scanning is carried out, three output white light interference spectrums of the interferometer and a transmission spectrum of the etalon and the fiber grating are probed.
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