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x射线光谱     
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  x-ray spectra
     Theoretical Study of X-ray Spectra of 3d-2p Transition in Ba XLIV~XLVI Ions
     Ba XLIV~XLVI离子的3d—2p跃迁产生的X射线光谱结构的理论研究
短句来源
     The laser plasmam soft X-ray spectra with wavelength up to 5. 8 nm have been taken by using OHM crystal (2d= 6. 35 nm), combining with very thin carbon filter (310 nm in thickness) and soft X-raysensitive film (SIOFM-5FW).
     用具有大晶格常数的晶体(OHM,2d=6.35nm),极薄的滤片和对软X射线灵敏的底片,获得了波长达5.8nm的激光等离子体软X射线光谱
短句来源
     The soft X-ray spectra of Na-like Ge ion of ls22s22p6nl(n=3-6,l=0 -5) configurations for dipole-allowed transitions are computed with the aid of the HFR program with the optimization of Slater paramters on the basis of the known experimental levels.
     本文将原子结构的HFR方法与关于能量参数的最小二乘优化方法相结合,详细计算了类钠锗离子1s~22S~22p~6nl组态(n=3~6,l=0~5)电偶极跃迁的软x射线光谱(波长<30nm)。
短句来源
     Theoretical Calculation of Energy Levels and Soft X-ray Spectra for Na-like ions from Copper to molybdenum
     铜到钼的类钠离子能级结构及软X射线光谱理论计算
短句来源
     Soft X-ray spectra of iron plasma produced by nano-second laser in the 5~27nm range was measured using the McPHERSON model 247 monochrometer in high vacuum, with a monochrometer resolution of Δλ≤0.075nm and a wavelength scanning interval of 0.1nm. Certain strong emission lines were identified.
     在高真空环境下使用McPHERSON 2 4 7型掠入射单色仪测量了纳秒激光激发的Fe等离子体 5~ 2 7nm波段的软X射线光谱 ,单色仪光谱分辨率Δλ≤ 0 .0 75nm ,波长扫描间隔 0 .1nm ,认证出了若干电离Fe的强谱线。
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  x-ray spectrum
     X-RAY SPECTRUM FROM Mg LASER PLASMA
     镁激光等离子体X射线光谱
短句来源
     With the aid of extraction complex of C thin film,TEM and energy dispersion X-ray spectrum(EDX),the dissolve rule of Nb,V and Ti in Nb-V-Ti and V-Ti microalloyed steel was studied by isothermal holding at different temperatures and for different time.
     通过萃取复形薄膜的方法,采用高分辨透射电镜和能量色散X射线光谱技术,研究了Nb-V-Ti和V-Ti微合金钢中,Nb、V、Ti的碳氮化物在不同温度和不同时间下保温时的回溶情况。
短句来源
     Soft X-ray spectrum of Y-Mo laser-produced plasma
     钇-钼激光等离子体软X射线光谱
短句来源
     Quantitative analysis of the x-ray spectrum in the keV range is often used to derive diagnostic information on electron temperature, density, ionization states, and expansion velocity of the plasma as well as its spectral characterization for various applications.
     定量分析千电子伏(KeV)范围X射线光谱是用来获得电子温度、密度、离化态和等离子体速度的信息,同样它的谱特征也用作其它用途。
短句来源
     Through analysing X-ray spectrum of plasma in differental condition of laser po-(To be continued on page 214) (Continued from page 278) wer, we have found that Cu plasma radiate much x-ray lines, in which the line 2S~22 p~6-2S~22P~53D for Ne-like is strongest and space occupied by above ions is the largest.
     通过分析不同功率激光辐照下的等离子体x射线光谱。 发现铜等离子体辐射丰富的x射线线谱,其中类氖离子2s~2p~6-2s~22p~53d线最强,处于这种状态离子占据的空间也最大。
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  x-ray spectrometry
     DETERMINATION OF Au,Ag, Zn,Cu, Ni,Co AND Fe IN ION-EXCHANGE RESINS BY X-RAY SPECTROMETRY
     X射线光谱法测定离子交换树脂中的Au、Ag、Zn、Cu、Ni、Co和Fe
短句来源
     Procedures for synthesis of Cu 2+ -ASP complex and methods for identifying Cu 2+ -ASP complex with X-ray spectrometry were studied.
     研究了金属铜离子与天冬氨酸 (ASP)配合物的合成方法[1,2 ] ,采用X射线光谱对配合物进行了分析鉴定 ,结果表明铜离子与天冬氨酸能形成配合物。
短句来源
     tube oven method,X-ray spectrometry method and chemiluminescence sulfur method is performed. Test results show that each method has its own determination principle,merit and shortcoming,as well as applicable fields. To determine the sulfur content in lubricating oils and additives at lab can choose the suitable method according to the experiment conditions and sample properties.
     对润滑油中硫含量测定法———管式炉法、X射线光谱法、化学荧光定硫法进行对比介绍,通过实验证明,三种方法测定原理不同,各有优缺点和不同的适用范围,实验室测定润滑油及其添加剂的含量,可依据实验条件、样品性质选择适宜的方法。
短句来源
  x ray spectrometry
     A review with 114 references was provided on the application and development of X ray spectrometry (XRS) in geoanalysis in China.
     评述了我国地质分析中X射线光谱技术的应用与发展。
短句来源
     It includes: the X ray fluorescence (XRF) laboratories in China, the related XRS techniques and analytical methods of XRF, the applications and achievements, the publications and academic exchanges, the personnel training, the coordinations of X ray spectrometry with the other analytical techniques, the demands of present geoanalysis for XRS and the future development of XRS.
     内容包括 :X射线光谱实验室建设、相关技术与实验方法、应用与成果、书刊文献及学术活动、人才培训、X射线光谱与其他地质分析技术的配合、当前地学的需求与X射线光谱技术的未来发展。 收集主要文献 1 1 4篇。
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  x-ray spectra
The prepared CdSe NCs were characterized by ultraviolet-visible spectra (UV-Vis), photoluminescence (PL), transmission electron micrograph (TEM), energy disperse X-ray spectra (EDX) and X-ray diffraction (XRD).
      
Rising the signal-to-noise ratio in X-ray spectra of femtosecond laser-produced plasmas using the "mean-median" algorithm
      
In turn, the noise signals of X-ray detectors grow in amplitude and the signal-to-noise ratio in recording X-ray spectra of multiply charged ions approaches unity.
      
The most powerful effect of the above factors is exerted on X-ray spectra recorded by such electromagnetic equipment as CCD-based detectors, photoelectron amplifiers, etc.
      
A new "mean-median" algorithm is described, with which it is possible to considerably increase the signal-to-noise ratio of CCD detectors used to measure X-ray spectra of femtosecond laser-produced plasma.
      
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  x-ray spectrum
It was found that, during implosion of double multiwire arrays, more than 90% of the total energy corresponding to the soft X-ray spectrum were emitted from an area >amp;lt;500 μm in diameter.
      
The relative integral intensity of the last emission line in the characteristic X-ray spectrum is used as the first analytical signal.
      
The spectral intensity of the brightest (Kα, Lαand, less frequently, Mαor Mβ) lines of the characteristic X-ray spectrum serves as the second analytical signal, which is conventionally used in X-ray fluorescence analysis.
      
The ratios of the intensities in the X-ray spectrum were measured: , , , and .
      
The brightness distribution and X-ray spectrum of the SNR are obtained from archival ROSAT and ASCA X-ray data.
      
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  x-ray spectrometry
The consideration of the classical physical fundamentals of X-ray spectrometry suggests that the properties of X-ray spectra of elements are determined by their atomic number rather than atomic weight.
      
The crystal perfection of the layers is estimated by highresolution x-ray spectrometry.
      
The parameters of deep-level trapping centers are determined by the method of the thermostimulated capacitor discharge; the degree of perfection of the film and substrate are determined by the two-crystal X-ray spectrometry method.
      
The microstructure and phase of BaPbO3 thin films were determined by X-ray diffractometry, scanning electrons microscopy and energy dispersive X-ray spectrometry.
      
For the sample preparation of many ferroalloys in connection with their analysis by optical emission or X-ray spectrometry the recasting process has been approved.
      
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