Therefore, the element ratios can be applied to the study of trace element characteristics of rocks in the tholeiite source region.
因此研究拉斑玄武岩源区岩石中的微量元素特征可以采用元素比值的方法。
After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable.
毕竟，太阳中任何元素的原子，比如说铁，都比陨石标本的原子要多得多，但这两种物质中铁和硅的比例可能是可以比较的。
By analyzing ratios of isotopes — variations of the same element with a different mass - he can learn things about the environment they lived in, such as temperature and salinity.
通过分析其中的同位素(同一种元素拥有不同的质量)比例，他可以了解这些菊石所生活的环境特征，如温度和盐度。
PGE ratios can not only show the geochemistry action of platinum-group element, but also explain the geological evolution rules of PGE in different environment.
有关PGE比值不仅可以反映出元素的地球化学行为，亦可区分或指示不同环境下pge地球化学演化的规律性。
The ratios of these element forms change with climate and local geology. Like tree rings, human teeth record this signature year by year and can be used to narrow down a person's native region.
这些元素因为气候和当地地理而改变的比率像树年轮一样，人类的牙齿同样年复一年的记录着这些特征，这常常可以用来限定一个人的出生地。
A group of hybrid flexure hinges with different corner filleted radius are analyzed using finite element method, and their flexibility stress ratios are achieved.
通过有限元方法，分析了一组不同导角半径的混合铰链设计实例，并得到其柔度应力比值。
The finite element results and experimental results of the fracture properties of concrete with different ages and initial seam height ratios are compared.
分析比较了不同龄期和不同初始缝高比时普通混凝土的开裂性能，并与试验结果进行了对比。
The finite element results and experimental results of the fracture properties of concrete with different ages and initial seam height ratios are compared.
分析比较了不同龄期和不同初始缝高比时普通混凝土的开裂性能，并与试验结果进行了对比。
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