说出来吓死你,死尸会释放出苯,二氯二氟代甲烷等一系列奇怪的化学物质。然而也正是这些物质帮助了科学家找到各种隐秘的墓穴。
Dead bodies emit a surprising array of chemicals, from benzene to freon, which can help forensic scientists find clandestine graves.
一定的五氟乙烷与一氯二氟甲烷的组合物,作为加热或冷却的液体时具有非凡的效率和容量。
Certain compositions of pentafluoroethane and chlorodifluoromethane have unusual efficiency and capacity as fluids for heating and cooling.
抛射剂为三氯一氟甲烷、二氯二氟甲烷、二氯四氟乙烷、氮气和二氧化碳中的至少一种。
The propellent is at least one of trichlorofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, nitrogen and carbon dioxide.
抛射剂为三氯一氟甲烷、二氯二氟甲烷、二氯四氟乙烷、氮气和二氧化碳中的至少一种。
The propellent is at least one of trichlorofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, nitrogen and carbon dioxide.
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