线心
- 网络Core
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线心都可以看作是Doppler加宽;
The line center of HeI 10830 A line can be taken as Doppler broadening .
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以往对K线的研究表明:K1形成于温度极小区(TMR),K1到线心的距离以及K1的强度分别与温度极小区的位置和温度密切相关。
It is now widely accepted that K 1 is formed in the temperature minimum region ( TMR ) and that the distance of the component K 1 from the line center and the intensity of K 1 is well related to the position and temperature of TMR , respectively .
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测试结果表明:NiO纳米线为面心立方结构,平均晶粒尺寸为50nm,纳米线直径约90nm,与模板孔径相当;
XRD results indicate that the NiO nanowire has a face-cubic structure and its average crystal size is about 50 nm . According to SEM , the diameter of the NiO nanowires is about 90 nm , equivalent to the diameter of template pores ;
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通过半经验半理论的方法对射流z轴方向流速分量w等值线流团涡心运动轨迹方程进行了推导,分别建立了涡心运动轨迹x分量与z分量随时间变化的表达式。
Deduced the track formulas of the jet flow velocity z component w isoline patch vortexes centers movement , and through semi-empirical method , got vortexes centers movement track x component and z component equation with time .
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铝包钢线芯线自动对心功能的研究
Research On the Automatic Center Function of the Core of Aluminum Cladding Steel Wire
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1979年9月19日3B级耀斑光谱分析:金属线的不对称性和线心位移
Spectral Analysis of the 3B Flare on September 19 , 1979 : Asymmetry and Doppler Shift of the Metal Lines
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1974年10月11日太阳耀斑金属线的不对称性和线心位移
Asymmetry and Doppler shift of the metallic lines of the solar flare on 11 October 1974
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用高斯函数拟会出谱线的形状,标出线心的波长值,作为自动证认的基础。
The Gauss function is used to fit the spectral lines , marking the central wavelengths , as a basis for automatic identification .
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对纳米线进行结构分析表明,本方法制备的纳米线为面心立方结构的βSiC。
The microstructure analysis indicate that the nanowires are β SiC with face centered cubic structure .