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原子    
相关语句
  atomic
    Measurement on Time Delay of the Longwave Reception System for the Synthetic Atomic Time
    综合原子时长波接收系统时延测量
短句来源
    The Study on Microwave Power Frequency Shift in  ̄(87)Rb Atomic Frequency Standard and Its Controlling Methods
    铷原子频标中微波功率频移的研究及其控制方法
短句来源
    Fa(atomic ratio of Fe/(Fe+Mg)×100) value(with a range of 34.1 mol%~42.2 mol%) and percent mean deviation(PMD) value(6.1) of olivine reflected some degree of thermodynamics equilibration in olivine.
    橄榄石颗粒Fa(Fe/(Fe+Mg)原子百分比)值范围在34.1 mol%~42.2 mol%,百分标准平均方差(PMD)值为6.1,表明这些颗粒达到了一定的热力学平衡。
短句来源
    An Atomic Time Scale Algorithm Using Wavelet Decomposition
    原子时的小波分解算法
短句来源
    An Atomic Time Scale Algorithm Using Wavelet Decomposition
    原子时的小波分解算法
短句来源
更多       
  atom
    The results are @ K(40℃)=-293±17mHz·cm and α(40℃)=- (17±2)×10~(-3)/℃ The unperturbed hyperfine transition frequency of the ground state of hydrogen atom, fo-o, was abtained by comparing a hydrogen maser with Loran—C navigation system signals, this value is @ f_(0_0)=1420405751.767±0.002Hz
    其实验结果为:K(40℃)=-293±17mHz·cm,α(40℃)=(-17±2)×10~(-3)/℃; 并通过罗兰—C长期比对,求得未干扰氢原子基态超精细跃迁频率为f_(0_0)=1420405751.767±0.002Hz。
短句来源
    Recent Development in the Research for Hydrogen Atom and Hydrogen Molecule Ion in Strong Magnetic Fields
    强磁场中氢原子和氢分子离子的研究近况
短句来源
    The cause for the stay light frequency shift is discussed: interaction between the stay light coming from pumping and detecting laser and atom in the microwave cavity.
    产生散射光光频移的原因是抽运光和检测光通过漫反射进入微波腔的漂移区与铯原子相互作用所致。
短句来源
    The article analyzes the influence of the time-frequency properties of atom clock on time-keeping error by quantity, and estimates the error of related physical measure caused by the time-keeping properties of atom time-frequency criterion—time resolution.
    定量分析了原子钟的时间频率特性对守时误差的影响; 估算了原子时频标准的守时特性——时差对有关物理量测量所产生的误差。
  atoms
    A Discussion of the Formula in the Calculation of the Column Density at Second Level of Hydrogen Atoms
    计算氢原子柱密度公式的讨论
短句来源
    2. Using N-LTE theory to calculate the semi-empirical model of the prominence, which reproduced well the observed profiles, we have derived the distributions of the electron temperature and the number density of hydrogen atoms in the prominence.
    二、本文应用文[9]的N-LTE计算程序计算了同日珥观测轮廓相符合的半经验模型,得到日珥电子温度T_e和氢原子密度n_H在日珥内的分布及钙元素的含量。
短句来源
    3. The distribution of the column densities of hydrogen atoms (Ni) at the energy levels above i= 10 or 11 derived from the observed total radiative energy in the lines (E'λ) is consistent with that deduced from the Boltzmann formula. This means that the atoms of hydrogen at higher energy levels are in LTE. On the contrary, the values of N5, N7 and N8 derived from E'λ.
    三、本文由观测的谱线辐射总能量求出氢原子柱密度按能级的分布,并将此结果与局部热动平衡(LTE)和非局部热动平衡(N-LTE)计算结果加以比较,得出:日珥中氢原子在较低能级处于N-LTE状态,在高能级接近LTE状态。
短句来源
    This paper disscused the travel path of the Cs atoms in state selection region, and analysed the velocity distribution by using the beam optics parameter in a double-pole type Cs beam frequency standard, as well as presented a practical model.
    本文分析了如何利用二极型实验室铯束频标束光学配置有关参数估算有效原子束中原子的大致速度分布范围,并给出了一实例以作说明。
短句来源
    Under conditions near the center of the Sun, it shows that 7Be atoms are completely ionized between R=0 to R=0.1217R ⊙.
    在太阳核心的条件下 ,7Be原子被完全电离 .
短句来源
更多       
  atoms
    A Discussion of the Formula in the Calculation of the Column Density at Second Level of Hydrogen Atoms
    计算氢原子柱密度公式的讨论
短句来源
    2. Using N-LTE theory to calculate the semi-empirical model of the prominence, which reproduced well the observed profiles, we have derived the distributions of the electron temperature and the number density of hydrogen atoms in the prominence.
    二、本文应用文[9]的N-LTE计算程序计算了同日珥观测轮廓相符合的半经验模型,得到日珥电子温度T_e和氢原子密度n_H在日珥内的分布及钙元素的含量。
短句来源
    3. The distribution of the column densities of hydrogen atoms (Ni) at the energy levels above i= 10 or 11 derived from the observed total radiative energy in the lines (E'λ) is consistent with that deduced from the Boltzmann formula. This means that the atoms of hydrogen at higher energy levels are in LTE. On the contrary, the values of N5, N7 and N8 derived from E'λ.
    三、本文由观测的谱线辐射总能量求出氢原子柱密度按能级的分布,并将此结果与局部热动平衡(LTE)和非局部热动平衡(N-LTE)计算结果加以比较,得出:日珥中氢原子在较低能级处于N-LTE状态,在高能级接近LTE状态。
短句来源
    This paper disscused the travel path of the Cs atoms in state selection region, and analysed the velocity distribution by using the beam optics parameter in a double-pole type Cs beam frequency standard, as well as presented a practical model.
    本文分析了如何利用二极型实验室铯束频标束光学配置有关参数估算有效原子束中原子的大致速度分布范围,并给出了一实例以作说明。
短句来源
    Under conditions near the center of the Sun, it shows that 7Be atoms are completely ionized between R=0 to R=0.1217R ⊙.
    在太阳核心的条件下 ,7Be原子被完全电离 .
短句来源
更多       

 

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  atomic
Duality theorems, atomic decompositions, and factorization of functions are treated.
      
We show that if(X,Σ, μ) is not purely atomic, then the unconditional basis constant of our basis is (max(p, q) -1).
      
The main tool in our investigations consists of an adapted atomic decomposition.
      
We provide a general method to derive Banach frames and atomic decompositions for these Banach spaces by sampling the continuous frame.
      
We also describe natural ways of discretizing those wavelet transforms, or equivalently to obtain atomic decompositions and Banach frames for the corresponding coorbit spaces.
      
更多          
  atom
Flavonoid antioxidants act as scavengers of free radicals by rapid donation of a hydrogen atom.
      
Also, the amino acid α-C atom radial distribution indicated that, with larger peripheral groups, more back-folding of the dendrimers occurred.
      
Based on the property that energy of most atoms is highly concentrated, an algorithm is proposed to fast reconstruct an image from atoms' parameters by limiting atom reconstruction calculating within the atom energy concentrating area.
      
Moreover, methods for fast calculating atom energy and normalization are also put forward.
      
Theory of Atom Optics: Feynman's Path Integral Approach
      
更多          
  atoms
For the S1 we exhibit concrete examples of admissible Gabor atoms which are very closely related to uncertainty minimizing states.
      
An advantage of DNB is that it is suitable for the separation of the basic compounds containing nitrogen atoms without a capped process because the spacer containing nitrogen atoms can shield the residual silanols from DNB.
      
The results show that Pd atoms are monolayer-dispersed on the Ni surface in these Pd/Ni catalysts.
      
Here, for the sake of modeling the HRIRs more truthfully, we consider choosing optimal time-frequency atoms from redundant dictionary to decompose this kind of signals of HRIRs and achieve better results than all the previous models.
      
To overcome this one of the main drawbacks in image sparse decomposition, the property of the energy distribution of atoms is studied in this paper.
      
更多          
  atoms
For the S1 we exhibit concrete examples of admissible Gabor atoms which are very closely related to uncertainty minimizing states.
      
An advantage of DNB is that it is suitable for the separation of the basic compounds containing nitrogen atoms without a capped process because the spacer containing nitrogen atoms can shield the residual silanols from DNB.
      
The results show that Pd atoms are monolayer-dispersed on the Ni surface in these Pd/Ni catalysts.
      
Here, for the sake of modeling the HRIRs more truthfully, we consider choosing optimal time-frequency atoms from redundant dictionary to decompose this kind of signals of HRIRs and achieve better results than all the previous models.
      
To overcome this one of the main drawbacks in image sparse decomposition, the property of the energy distribution of atoms is studied in this paper.
      
更多          
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