综述了无破坏法测定金属杨氏模量的测定原理、测定方法和测定仪器，并对这种测定方法进行了误差分析。
Principle, method and apparatus for young's modulus measurement of metallic material by indentation method are reviewed, and the methods error is analysed.
介绍了一种测定油田化学剂和石油产品中硫、氮含量的仪器分析方法。
The paper introduces a method to determine sulfur/nitrogen content in oilfield chemicals or oil products by sulfur/nitrogen elemental analyzer.
采用常规和仪器分析方法对核桃内种皮中一些营养和功能成分含量进行了初步分析测定。
The contents of nutritional and functional components of walnut kernel pellicle were analyzed preliminarily by using conventional and instrumental analytical methods.
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