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

这些微量元素使得矿物具有磁性因为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.

约翰逊的团队硬化洞穴水滴中的微量元素和碳氧同位素。

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

至少这是通过查探巴哈马群岛的沉淀物之后而提出的。

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出，这是首次工业化国家进行污水微量元素的研究。

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

测试发现这些珠宝包含非地球矿石的踪迹，这些矿石只富铁陨石中发现过。

Trace elements of other things, but it's mostly hydrogen turning into helium.

其他物质的微量成，但主要是氢变成氦。

Right, but they also did absolutely have these rituals, and they have absolutely found trace elements of silk.

是的， 但他们确完全拥有这些仪式，并且绝对发现丝绸的痕迹。

Every atom in the jar, including all the chemical properties and trace elements, are measured and established by this organisation.

罐子里的每一个原子， 包括所有的化学性质和微量元素，都由该组织进行测量并确定。

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

比如，产品的微量元素， 然后可以非常准确地告诉际上来自哪里。

We have trace elements, trace meaning here very, very small elements in food and in nature and in even drinking water.

我们拥有微量元素， 这里“微量”指的是食物、自然界乃至饮用水中极其微小的元素。

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量元素常年灌溉着山脚下的莲田。

What we know as salt will typically have some trace elements, some small amounts of other elements, but that is all it is.

我们所熟知的盐通常含有一些微量元素，以及其他少量元素，但仅此而已。

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，但体内还有一些很有价值的微量元素，比如铜、金，甚至还有铀。

They should also eat more fresh vegetables, fruits, because they are rich in nutritional elements—vitamins and trace elements—that are important to the body.

还应该多吃新鲜蔬菜、水果，因为们富含对身体重要的营养元素——维生素和微量元素。

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%的组成元素都会消失，只剩下一堆碳，氮、钙、磷等的微量元素。

Geochemical analysis of the Chang'e-6 lunar samples has shown that their concentration of trace elements such as thorium, uranium and potassium is markedly different from the samples retrieved by the Apollo missions and the Chang'e-5 mission.

对嫦娥六号月球样本的地球化学显示，其微量元素如钍、铀和钾的浓度与阿波罗任务和嫦娥五号任务所回收的样本有显著不同。

Chemists have painstakingly added up the market value of skin, flesh, bone, hair and the various minerals and trace elements contained in it and have come up with a paltry sum of a few dollars.

化学家们仔细计算皮肤、肌肉、骨骼、头发以及其中所含的各种矿物质和微量元素的市场价值，结果得出一个可怜的几美元的总和。

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《科学》杂志上的第二篇论文使用一种新技术， 即使用同步加速器来观察非常非常微小的微量元素，这些微量元素表示一些已灭绝恐龙的颜色，特别是们的羽毛。