Analysis of the activated background spectrum shows that natural copper is an ideal shielding material in fast neutron nuclear reactions.
通过分析天然铜的活化本底谱，可以看出它是快中子核反应中的最理想的屏蔽材料之一。
The common used method of getting the absorption spectrum is to subtract the background spectrum from the transmission spectrum of the sample.
得到待测样品吸收光谱的通常方法是，将样品的透射光谱和不含样品的背景光谱进行差减计算。
The orthogonal projection coupled with visual smoothness of the background spectrum was applied in the quantitative analysis of 2-component copolymer.
运用正交投影技术，结合目视背景光谱平滑性，对二元共混物中各组分进行红外光谱定量分析。
For seeking after background spectrum, an iterative technique called gradual annihilation method is used in the module for analysis of differential spectrum.
在微分谱分析模块中采用了迭代技术求全谱本底，称之为逐次淹没法。
It was awarded for the discovery of the blackbody spectrum and anisotropy of the cosmic microwave background radiation which strongly supports the big bang theory of cosmology.
这个奖授予宇宙微波背景辐射的黑体谱形和各向异性的发现，强有力地支持了大爆炸宇宙学。
This article takes the spectrum allocation algorithm as the object of study. Firstly, introduce the background, present situation and applications of cognitive radio and so on.
本课题以频谱分配算法为研究对象，首先对认知无线电的研究背景、现状以及应用等知识做了简要介绍。
The effects of long fatty acid collector on the structure of sodium aluminate solution was studied with plastics sheets attached water as the background of infrared spectrum.
本文采用膜加水的制样方法，测定长烃链脂肪酸型捕收剂存在下的铝酸钠溶液红外光谱，研究了其对铝酸钠溶液结构的影响。
The experimental results show that this algorithm can deal with the spectrum with undulating background noise, and get more accurate separation result than the traditional method.
实验结果证明，该算法能够较好地处理背景噪声起伏不平的频谱，分离结果与传统方法相比有较大的改善。
It was awarded for the discovery of the blackbody spectrum and anisotropy of the cosmic microwave background radiation, which strongly supports the big bang theory of cosmology.
这个奖授予宇宙微波背景辐射的黑体谱形和各向异性的发现，强有力地支持了大爆炸宇宙学。
A spectrum signals detection method has been designed for surface enhanced Raman scattering (SERS) under high fluorescence and background noise.
试提出一种高荧光及强背景噪声情况下表面增强拉曼散射光谱的提取方法。
The background of X ray Photoelectron spectroscopy (XPS) spectrum, which was often neglected in the past, may provide valuable information on surface morphology and depth profile.
光电子谱中的背景信号包含样品的信息，但过去往往被忽略。
The parameter estimation of sine-wave flooded in strong noise background is an important and practical technique, and it is the base theory of spectrum analysis estimation.
估计淹没在噪声中的正弦波参量是具有实际应用价值和普遍意义的技术之一，也是测试所有谱估计性能的基础。
At last we obtained obvious resonance Raman spectrum of carotenoid in human skin after the fluorescence background has been fitted and subtracted from the original spectra.
利用拟合差分算法有效去除了荧光背景噪声，获得了明显的人体皮肤中类胡萝卜素的拉曼光谱。
BACKGROUND: Rare earth elements have some biological effects, and broad-spectrum anti-bacterial, anti-inflammatory and anti-virus capabilities, they can increase the bonding strength.
背景：稀土元素具有一定的生物效应，也有广谱抗菌、抗炎和抗病毒的能力，能提高涂层结合强度作用。
Background Despite of wide use of broad -spectrum antibiotics, bacterial infection remains the main cause of inpatient death.
背景和目的尽管广谱抗菌素广泛应用，细菌感染仍是住院病人死亡的主要原因。
Background Despite of wide use of broad -spectrum antibiotics, bacterial infection remains the main cause of inpatient death.
背景和目的尽管广谱抗菌素广泛应用，细菌感染仍是住院病人死亡的主要原因。
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