The results show that butyltins content in most of the surface water samples is under the limit of the detection; five out of ten sediment samples are measured detectable butyltins.
对太湖表层水、沉积物和水生生物样品的丁基锡污染物进行了研究。
Analysis of the samples suggests there could be 100 times more water in the lunar mantle, the thick rock layer beneath the surface crust, than was previously thought.
经过对于这些样品的研究和分析，科学家们推测在月球地幔层中的水资源是之前预估的将近100倍，这些水就存在厚岩石与地壳层之间。
These methods are acquired via quantitative measurement of surface quality differences caused by water proof abrasive papers with various degree of roughness on the steel samples.
通过定量分析不同粒度水砂纸磨光后在钢试样表面造成的表面质量差异，找到适合不同硬度试验需要的表面质量的具体获取方法。
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