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。
After a potential new drug substance is discovered and undergoes definitive chemical and physical characterization, a great deal of biological information must be gathered.
当一种潜在的新药被发现并经历了明确的化学上及物理学上的鉴定之后，还有很多生物学的信息需要收集。
Chemical and physical preparation methods of gold nanoparticles were reviewed. The spectral and microscopic characterization techniques were introduced. References of 102 were cited in this paper.
综述了金纳米粒子的化学和物理制备方法，介绍了金纳米粒子的表征技术，以及金纳米微粒在生化免疫分析中的应用，引用文献102篇。
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