虽然气凝胶被归入固体类物质，但它99%的成分是气体，这使得气凝胶拥有云雾状的外观。
Although aerogel is classed as a solid, 99% of the substance is made up of gas, which gives it a cloudy appearance.
气凝胶类材料具有较低的热导率，在火星大气环境下具有最好的隔热性能，但无法规避粉尘污染及机械耐久性等问题。
Aerogel material has lower thermal conductivity and performs best in the atmosphere of Mars, but the problems of dust control and mechanical durability cannot be avoided.
有机氯类用乙酸乙酯—环己烷和凝胶净化柱提取净化，石英毛细管气相色谱(配ecd检测器)检测。
Organic chlorine using ethyl acetate - cyclohexane and gel purification column extraction purification, quartz capillary gas chromatography (ECD allocation) detection.
有机氯类用乙酸乙酯—环己烷和凝胶净化柱提取净化，石英毛细管气相色谱(配ecd检测器)检测。
Organic chlorine using ethyl acetate - cyclohexane and gel purification column extraction purification, quartz capillary gas chromatography (ECD allocation) detection.
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