Objective: To understand the cognition condition of the public and medical staff of COVID-19. Method: A cross-sectional study was carried out by giving out online questionnaires. Results: The scores of medical staff and the public are [Formula: see text] and [Formula: see text], respectively, the differences between them are statistically significant ([Formula: see text]). The accuracies of medical staff and the public in etiological characteristics, clinical characteristics, disease definition, disease prevention and treatment and misunderstanding are [Formula: see text]%, [Formula: see text]%, [Formula: see text]%, [Formula: see text]%, [Formula: see text]% and [Formula: see text]%, [Formula: see text]%, [Formula: see text]%, [Formula: see text]%, and [Formula: see text]%, respectively. Residence, region and education background have significant impacts on the scores of medical staff, gender, residence, age, region and education background have significant effects on the scores of the public. Conclusions: The cognition of medical staff and the public of COVID-19 is favorable, and the former is better than the latter, both of them have good grasps of disease prevention and treatment, while have poor grasps of clinical characteristics and misunderstanding of the virus. The demographic characteristics have some effects on the cognition condition of the subjects.
Abstract. The purpose of this study was to investigate the characteristics of ACERALIVEN ™ , a commercial tourmaline, and to test its effect on plant growth. According to our analysis, ACERALIVEN ™ belongs to the Si-Al-Mg tourmaline structure. It contains some trace metals such as zirconium, potassium, and iron and able to emit far-infrared energy in the emissivity of 0.829. Introducing the tourmaline into water changes the water to be more alkaline. Tourmaline also releases negative hydroxyl ions and dissolved oxygen creating what is called as hydrogen water. Mung beans submerged with ACERALIVEN ™ shows a longer lifetime than without submerging the tourmaline. Additionally, the tourmaline can promote plant growth by removing chlorine and releasing far-infrared which is beneficial for plant's metabolism.
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