... (SWCNT) 10 –20 nm(MWCNT10)C60 — notprovidedSWCNT and C60: 0, 1. 41, 2.82, 5.65, 11 .30, 28.20, 56.50, 11 3.00, and 226.0 μg/cm2MWCNT10: 0, 1. 41, 2.82, 5.65, 11 .30, and 22.60μg/cm2Cytotoxicity ... of 8 .16 m3per8-hrday.Therefore,toensurethatthetotallungburdendoesnot exceed 9.88 × 10 7bers, the 8-hr time-weighted concentration cannot exceed 1. 20 10 5bers/m3, and the maximum 1- hr ... nano- and micro-scalezinc powder in healthy adult mice.Toxicol. Lett., 16 1 :11 5 12 3.8. Ballard, W.E. 19 72. Some environmental problems of the metal spraying processes.Ann. Occup. Hyg., 15 :10 1 10 6.9....