At least that's what's suggested by trace elements in Bahama sediments.

至少通过查探巴哈马群岛的沉淀物之后而提的。

Those trace elements make the mineral magnetic because they have odd numbers of electrons.

些微使得矿物具有磁性因为它们拥有奇数个的电子。

Johnson's team analyzed trace elements and carbon and oxygen isotopes in the hardened cave drippings.

约翰逊的团队分析了硬化洞穴水滴中的微和碳氧同位。

A government press release says it was the first study on trace elements in wastewater in an industrialized country.

政府的一份新闻稿里指，首次在工业化家进行污水微的研究。

The tests revealed that the jewelry contained trace elements not present in Earthly ores—but that are found in iron-rich meteorites.

测试发现些珠宝包含非地球矿石的踪迹，些矿石只在富铁陨石中发现过。

This shows up in Passwater and Cranton's book “Trace Elements, Hair Analysis and Nutrition” and they call it the mineral wheel.

在帕斯沃和克兰顿的书《微：头发分析和营养》中都有所体现，他们称为“矿物之轮”。

Like, for example, analyzing a product for trace elements that can then tell you quite accurately where it is actually from.

例如，分析产品中的微， 然后可以非常准确地告诉您它的实际来源。

The mountain spring water flows down, bringing trace elements to the soil, irrigating the lotus fields at the foot of the mountain all the year round.

高山的山泉水顺势流下携带着土壤中的微常年灌溉着山脚下的莲田。

Though we're made mostly of oxygen, carbon, and hydrogen, there are some very valuable trace elements that contribute to your design like copper, gold, and even uranium.

虽然我们主要由氧、碳和氢组成，但在你体内还有一些很有价值的微，比如铜、金，甚至还有铀。

With oxygen and hydrogen gone, we've lost 75% of our elemental makeup, and only a pile of carbon, nitrogen, calcium, phosphorus and other trace elements would be what's left of our bodies.

随着氧气和氢气的消失，我们身体中75%的组成都会消失，只剩下一堆碳，氮、钙、磷等的微。

A second paper appearing in Science this week uses a new technique of using a synchrotron to be able to look at very, very minute trace elements that signify color in some of these extinct dinosaurs, specifically their feathers.

本周发表在《科学》杂志上的第二篇论文使用了一种新技术， 即使用同步加速器来观察非常非常微小的微，些微表示一些已灭绝恐龙的颜色，特别它们的羽毛。