通过对辐照含脂食品分析方法研究，分析了辐照含脂食品中2-十二烷基环丁酮气相色谱-质谱（GC-MS）测定法的原理和方法步骤。
In this study, the theory and method of detecting 2-dodecylcyclobutanone with GC-MS in irradiated foods containing fat were introduced in detail.
简述了法定食品分析方法的认证内容，即对分析中的精密度、 准确度、 选择性、检测限度、定量检出限、线性和范围、耐用性等作了一定的阐述。
This paper discusses the validation of definitive analysis methods for foods, including precision, accuracy, specificity, sensitivity, limit of quantition. linearity and range, ruggedness, etc.
分析和取样方法是对食品进行检验和控制的必要基础。
The methods used for analysis and sampling are the necessary basis for food inspection and control.
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