火星表面化合物或有剧毒 人类移民火星梦或破碎“亚博取款心丈秒到账”
栏目:行业动态 发布时间:2021-06-09
本文摘要:A new study suggests that the surface of Mars may contain toxic chemical compounds called perchlorates which destroy bacteria in the presence of UV light.一项最近科学研究指出,火星表面有可能所含一种起名叫“低氯酸盐”的有毒化学物质,它必须在有紫外光的状况下干掉细菌。

A new study suggests that the surface of Mars may contain toxic chemical compounds called perchlorates which destroy bacteria in the presence of UV light.一项最近科学研究指出,火星表面有可能所含一种起名叫“低氯酸盐”的有毒化学物质,它必须在有紫外光的状况下干掉细菌。The findings suggest that Mars may be more uninhabitable than previously thought, and could have implications for human exploration on the red planet.该寻找指出,火花有可能没先前所感的那麼环境优美,这对人们探索这一红色星球不容易有一定的危害。To understand the impact of these chemicals, the researchers investigated their effect on Bacillus subtilis – a common bacteria often found on spacecrafts.为了更好地了解这种化合物的危害,科学研究工作人员们调研了他们对枯草杆菌--一种太空飞船上罕见的细菌--的危害。

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亚博取款心丈秒到账

In the laboratory, the researchers put magnesium perchlorate under short-wave UV radiation, similar to conditions on the surface of Mars.在试验室中,科学研究工作人员们将高氯酸镁曝露于类似火星表面自然环境的中短波紫外线电磁波辐射下。They found that under these conditions, the magnesium perchlorate became bacteriocidal, meaning it killed all bacteria.她们寻找,在这种标准下,高氯酸镁看起来具有抑菌作用,也就是它干掉了全部细菌。The Bacillus subtilis lost viability within minutes in the presence of the magnesium perchlorate.这种曝露于高氯酸镁的枯草杆菌在十多分钟内就缺失了特异性。

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The researchers also suggest that two other components on the Martian surface - iron oxides and hydrogen peroxide - may act alongside the perchlorates resulting in a 10 times increase in bacteria death.科学研究工作人员们还答复,火星表面的其他二种成份--化合物和双氧水--很有可能会与低氯酸盐合作,导致细菌致死率刷了10倍。While the toxic effects of the Martian surface have been suspected for some time, the findings suggest that the surface of Mars could be very dangerous to cells.尽管猜想火星表面的毒副作用效用了解一些時间,可是本次寻找指出,火星表面针对体细胞来讲是诸多威协。


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