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它们拥有奇数个电子。

Micronutrients like folic acid, zinc, and magnesium also have a big role in better hearing.

叶酸、锌和镁等微量元素对改善听力也有重要作用。

We need to get proteins, we need to get micronutrients, we need to get vitamins.

我们需要摄入蛋白质，我们需要摄入微量元素，我们需要摄入维他命。

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

约翰逊团队分析了硬化洞穴水滴中微量元素和碳氧位素。

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

政府一份新闻出，这是首次在工业化国家进行污水微量元素研究。

The idea being that calories from a vitamin and fiber-packed apple might displace those from less salubrious snacks.

每天一苹果目是使人们从富含维生素和纤维苹果中摄取微量元素，从而代替从不健康小点心中摄取物质。

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

这在帕斯沃和克兰顿书《微量元素：头发分析和营养》中都有所体现，他们称这为“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，分析产品中微量元素， 然后可以非常准确地告诉您它实际来源。

All these large forest animals have come here to collect an essential element of their diet that lies buried beneath the mud.

所有这些森林动物来到这 收集埋在泥下对身体有益微量元素。

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.

高山山泉水顺势流下携带着土壤中微量元素常年灌溉着山脚下莲田。

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，因为它们富含对身体重要营养元素——维生素和微量元素。

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微量元素，比如铜、金，甚至还有铀。

It is almost entirely made  of hydrogen and helium – about 75% of the former and 25% of the latter, with some other trace  elements mixed throughout.

它几乎完全由氢和氦组成——前者约占 75%， 后者约占 25%，还混有一些其他微量元素。

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.

随着氧气和氢气消失，我们身体中75%组成元素都会消失，只剩下一堆碳，氮、钙、磷等微量元素。

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地球化学分析显示，其微量元素如钍、铀和钾浓度与阿波罗任务和嫦娥五号任务所回收样本有显著不。

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.

化学家们仔细计算了皮肤、肌肉、骨骼、头发以及其中所含各种矿物质和微量元素市场价值，结果得出一个可怜几美元总和。

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.

本周发表在《科学》杂志上第二篇论文使用了一种新技术， 即使用步加速器来观察非常非常微小微量元素，这些微量元素表示一些已灭绝恐龙颜色，特别是它们羽毛。

And after a few days, it just degrades, absorbed by the body -- which isn’t as dangerous as it might sound, because silicon and magnesium are common substances the body can easily handle, especially the tiny amounts in the device.

几天后，它就会降解，被人体吸收——这并不像听起来那么危险， 因为硅和镁是人体可以轻松处理常见物质， 尤其是设备中微量元素。