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(fù)離子能有效促進(jìn)動(dòng)植物的生長(zhǎng)，優(yōu)化機(jī)體微循環(huán)，抑制細(xì)菌生長(zhǎng)，凈化、清新空氣，因此引起國(guó)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(fù)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(fù)離子生物效應(yīng)實(shí)驗(yàn)的測(cè)量方法，使評(píng)價(jià)空氣負(fù)離子生物效應(yīng)時(shí)受試者所接受的劑量濃度和總劑量等數(shù)據(jù)更接近準(zhǔn)確。