negative air ion

常見例句

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.
空氣負離子能有效促進動植物的生長，優(yōu)化機體微循環(huán)，抑制細菌生長，凈化、清新空氣，因此引起國內(nèi)外專家的研究興趣。
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.
結(jié)果表明：油菜和小麥能增加周邊環(huán)境中空氣負離子濃度，且在幼苗期表現(xiàn)明顯；
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.
目的提出一種專門用于空氣負離子生物效應實驗的測量方法，使評價空氣負離子生物效應時受試者所接受的劑量濃度和總劑量等數(shù)據(jù)更接近準確。