科学家们研究声称,“了解土壤和积雪中的污染物的量对维持高山融水的质量有重要的作用。”
"Understanding the amount of pollutants in soil and snow is critical to maintaining the quality of alpine water sources," the scientists report.
这个地质构造与其他诸如高山、地、脊、沟等构造,是使得地球表面的质量分布不均匀的主因,造成重力的作用略有差异。
This geologic feature, among others - mountains, valleys, ridges, trenches and such - distributes mass unevenly about the planet's surface, thereby making the pull of gravity vary slightly.
实验结果表明,超声波法可以提高山苍子油的得率,此外山苍子粗油具有较好的抗氧化作用,可以有效的清除羟自由基、超氧自由基。
The result was as the following: the extracting rate of Litsea Cubeba oil was enhanced by ultrasonic, Litsea Cubeba oil has a great effect on the elimination of free radical.
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