Literature investigation indicates: Safrole, a kind volatile oil of Asarum is the toxicity component. And so its toxicity degree has close relation to the volatile oil content.
结果 1．文献研究表明，细辛所含挥发油中的黄樟醚为其主要毒性成分，因此其毒性的大小与其挥发油的含量多少密切相关。
参考来源 - 细辛散剂急性毒性的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In the thesis, many methods are used such as literature investigation, analogy analysis, case analysis, interdisciplinary research method and so on.
本文综合采用了多种研究方法，主要有文献调研、类比分析、案例分析、跨学科研究等方法。
Through using the method of literature investigation and expert interview, this paper built up the testing system of junior soccer player's basic tactical knowledge.
运用文献资料调研、专家访谈等方法，建立了少年足球运动员基础战术知识测试体系；
This paper makes analysis on condition of sports events arrangement and sports talent reserve resource in Guangdong province through using the method of literature investigation.
采用文献资料调研等研究方法，对广东省竞技体育后备人才资源和运动项目布局现状进行了分析。
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