The methods section of a manuscript is one of the most important parts of a research paper because it provides information on the validity of the study and credibility of the results. Inadequate description of the methods has been reported as one of the main reasons for manuscript rejection. The methods section must include sufficient detail so that others could repeat the study and reproduce the results. The structure of the methods section should flow logically and chronologically. There are multiple components of methods sections, including study design, materials used, study procedures, and data analysis. Each element must be adequately described and thoroughly detailed to provide an understanding of how the results were obtained and how to interpret the findings. Studies that involved humans or animals must include an ethics statement of approval from the appropriate governing body. The methods section should explain how subjects were identified and should state inclusion and exclusion criteria. All materials used to complete the study should be described in detail, including equipment, drugs, gases, chemicals, treatments, interventions, or other items. Study procedures should outline all steps taken to obtain the results and clearly state the outcome measures. Subheadings might be helpful for organizing the methods section into subsections when there is a considerable amount of information to report. A well-written methods section will guide the reader through the research process and provide adequate information to evaluate study validity and reproduce the work. The purpose of this paper is to provide guidance for writing the methods section of a manuscript.

中文翻译：

---

如何撰写研究手稿的方法部分。

手稿的方法部分是研究论文最重要的部分之一，因为它提供了有关研究有效性和结果可信度的信息。据报道，对方法的描述不充分是稿件被拒绝的主要原因之一。方法部分必须包含足够的细节，以便其他人可以重复研究并重现结果。方法部分的结构应按逻辑和时间顺序排列。方法部分有多个组成部分，包括研究设计、使用的材料、研究程序和数据分析。每个要素都必须得到充分描述和彻底详细，以便了解如何获得结果以及如何解释结果。涉及人类或动物的研究必须包括适当管理机构批准的伦理声明。方法部分应解释如何确定受试者并应说明纳入和排除标准。应详细描述用于完成研究的所有材料，包括设备、药物、气体、化学品、治疗、干预措施或其他项目。研究程序应概述为获得结果而采取的所有步骤，并明确说明结果衡量标准。当有大量信息需要报告时，副标题可能有助于将方法部分组织成小节。写得好的方法部分将引导读者完成研究过程，并提供足够的信息来评估研究的有效性和重现工作。本文的目的是为撰写手稿的方法部分提供指导。