Physical and chemical characterization of the catalysts as well as some import catalysts also was carried out by means of atomic spectra, activity and BET surface area measurement, XRD and IR etc.
用原子吸收、碘价分析、BET比表面测定、XRD和IR等手段对上述催化剂以及进口催化剂进行了物理和化学表征。
He measured the line spectra of atomic hydrogen.
测量了氢原子的线光谱。
A computer program to calculate atomic concentrations in the surface layer of multi-element solids from experimental RBS spectra is presented.
本文介绍了一个根据RBS实验谱计算多元素样品表面层原子浓度的程序。
This paper deals with a method to deduce the atomic ground state spectra terms onthe basis of Hund rules and Pauli exclusion principle.
根据洪特第一规则及保里不相容原理，提出了推求原子基态光谱项的一种简便方法。
Comparing absorption spectra of atomic iodine with gain spectra, they are identical.
同时用碘原子吸收池标定了六条谱线。
Atomic absorption spectra showed that APP-A and APP-B contained some trace elements which were healthful to organism.
原子吸收光谱分析表明，APP含多种对机体有益的微量元素。
The crystal was characterized by four-crystal X-ray diffraction, chemical etching, optical microscope, transmission spectra and atomic force microscope (AFM).
通过四晶X射线衍射、化学腐蚀、光学显微、透过光谱以及原子力显微镜对晶体的质量进行了表征。
This chemosynthetic dimer substance was elucidated by spectra analysis and atomic absorption spectrophotometry. Meanwhile the dimer was determined by UPLC-MS for its content in the preparations.
制备了其有关物质二聚物，并通过波谱数据及原子吸收分光光度法鉴定了其化学结构，还测定了该化合物在制剂中的含量。
Methods NMR spectroscopy was classified according to commonly encountered atomic nuclei, which are measured in nuclear magnetic resonance spectra.
方法根据常见的用于测定核磁共振信号的原子核的不同，对核磁共振光谱进行分类叙述。
The time profiles of the harmonic spectra from a single atom are obtained through a Gabor analysis of the acceleration of the atomic dipole.
理论分析表明，基态粒子数消耗对不同级次谐波辐射的影响程度不一样；
The time profiles of the harmonic spectra from a single atom are obtained through a Gabor analysis of the acceleration of the atomic dipole.
理论分析表明，基态粒子数消耗对不同级次谐波辐射的影响程度不一样；
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