By means of the method of natural instruction experiment, the research examined the effects of psychological health education in health belief, health behavior and health level.
本文采用自然教学实验的研究方法，探讨心理健康教育对高师生健康信念、健康行为和健康水平的影响。
The experiment researched the method of extracting natural preservation material from chilli.
本文实验研究了辣椒中天然防腐物质的提取方法。
Red rice-kojicidin was prepared by extracting red rice-koji farina with alcohol and dyeing experiment on natural silk was performed using orthogonal method.
用乙醇萃取红曲米粉提取红曲米素，并采用正交法对真丝绸进行染色试验。
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