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- New research suggests otherwise: a thick sheet of carbon dioxide ice would be too soft to stay stable. 新的研究却表明情况是另外一回事:厚厚一层干冰因为太软,根本无法保持稳定。
- "The thought now is that carbon dioxide ice is so weak that it would flow away, like a glacier, even at very low temperatures," Zuber explains. 尤伯解释说:“于冰太不稳定,甚至在温度很低的情况下,都会像冰川一样流走。
- "The thought now is that carbon dioxide ice is so weak that it would flow away,like a glacier,even at very low temperatures," Zuber explains. 尤伯解释说:“于冰太不稳定,甚至在温度很低的情况下,都会像冰川一样流走。
- A thaw occurs each spring in the Northern Hemisphere of Mars, as the warming climate causes solid carbon dioxide ice to sublimate directly to vapor. 火星北半球每到春天来临都会发生一次解冻,温暖的气候造成了固态的二氧化碳冰直接升华成气体。
- Scientists think such troughs form as Mars's carbon dioxide ice caps sublimate, or turn directly from ice into vapor, in the spring. 科学家认为在春天火星上的干冰层升华或冰直接变成水汽形成了这些槽。
- Phoenix’ mission will last 92 earth-days, with hope that it will survive partway through the Martian winter to witness the formation of carbon dioxide ice. 火鸟号的任务将持续92个地球日,希望她能熬过中间过程,坚持到火星的冬天,观察干冰的形成过程。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- Made of frozen water and carbon dioxide ("dry ice"), it reflects sunlight well. 由冰和二氧化碳(干冰)组成的南极极冠对阳光的反射很强。
- carbon dioxide ice 干冰,固体二氧化碳
- The carbon dioxide is expelled by the lungs. 二氧化碳由肺排出。
- What we exhale is carbon dioxide. 我们呼出的是二氧化碳。
- Carbon dioxide may not be a typical air pollutant. 二氧化碳可能不是一种典型的污染物。
- Carbon dioxide is converted into oxygen through the agency of plants. 二氧化碳由於植物的作用转化为氧气。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- The molecular symbol for carbon dioxide is CO2. 二氧化碳的分子式是co2。
- A soft drink contains dissolved carbon dioxide. 汽水含有已溶解的二氧化碳。
- On hydrolysis carbon dioxide is evolved. 水解时,放出二氧化碳。
- The lungs expel carbon dioxide when we exhale. 当我们呼气时,肺所排出来的是二氧化碳。