negative air ion

常见例句

Scientists are very interested in negative air ion because it can promote the growth of animals and plants, optimize micro-cycle of organism, kill bacteria and purify air.
空气负离子能有效促进动植物的生长，优化机体微循环，抑制细菌生长，净化、清新空气，因此引起国内外专家的研究兴趣。
Though the negative air ion concentration was sensitive to ambient environment, we found that rape and wheat crops can contribute to increase negative air ions in ambient air.
结果表明：油菜和小麦能增加周边环境中空气负离子浓度，且在幼苗期表现明显；
Objective The paper put forward a measuring method for biological effect experiment of negative air ion, which improved the accuracy in estimating the biological effect of negative air ions.
目的提出一种专门用于空气负离子生物效应实验的测量方法，使评价空气负离子生物效应时受试者所接受的剂量浓度和总剂量等数据更接近准确。