When lipid freehydrogen peroxide solutions were determined, the determined cholesterol and triglyceride concentrations decreased with dilutions of hydrogen peroxide.
当测定不含血脂的过氧化氢溶液时，胆固醇和甘油三酯的实测浓度均随着过氧化氢的稀释而降低；
2
Activated carbon (AC), carbon black (CB) and carbon nanotube (CNT) was employed to catalyze methane decomposition to produce COx-freehydrogen and solid carbon in a fluidized-bed reactor.
本文在流化床中对活性炭、炭黑和碳纳米管等固体碳在甲烷裂解反应中的催化活性进行了研究。
3
Until now, experiments have produced anti-atoms, namely of hydrogen, but only in a free state.