The slush is compacted by an unknown mechanism, and solid, bubble-free ice is formed from water high in soluble organic substances.
半融雪通过一种未知的物理过程被压实，而固态、无气泡的冰是由富含可溶性有机物的水形成的。
However, almost non free radical-scavenging activity was observed on parts extracted with water and its sub- fractions extracted by several organic solvents.
但热水浸提的茶花产物及其有机溶剂萃取层并没有显示自由基清除能力。
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