And that gas reduces the iron oxide to iron.

这种气体铁转铁。

They have worked with oxides of iron, aluminium, zirconium, titanium and copper.

他们使用过铁，铝，锆，钛及铜。

The area is a triggy, because it contains an ancient layer of hematite an iron oxide that on Earth usually forms in a spot that held liquid water.

这区域很奇特，因它含有一层赤铁矿，一层铁，在地球上通常会含有水份。

Scientific analysis reveals that the colors were derived from ocher and other iron oxides ground into a fine powder.

科学分析显示，赭土和其它铁会形成细小粉末。

The oxygen out of the iron oxide comes off as oxygen gas.

铁中会以气形式逸出。

The new analysis of the dust covering Mars points to the iron oxide called ferrohydrate, which would mean it formed on Mars when water could still exist on the surface.

对火星表面尘埃新测试分析指出，这是一种被称铁水合物铁，这意味着它是在火星表面有水存在情况下形成。

Steel is mostly iron, and without constant application of paints and coatings, it will quickly react with oxygen in the atmosphere and return to its native form of iron oxide, or rust.

钢主要是铁，如果不经常使用油漆和涂料，它将很快与大气中气发生反应，并返回到它自然形式铁，或铁锈。

A mountain on the island of Hormuz is rich in the mineral iron oxide, which gives the soil there its deep red colour, according to an Iranian tourism board.

据伊朗旅游局称，哈穆兹岛上一座山富含铁矿物，这使得那里土壤呈现出深红色。

Tan sand is the most common, and it's made up of a rock called quartz that's been tinted by a chemical called iron oxide and another mineral called feldspar.

棕褐色沙子是最常见，是由一种叫做石英岩石组成，这种石英被一种叫做铁学物质和另一种叫做长石矿物着色。

At first, the extra oxygen they produced didn't accumulate in the atmosphere, but combined with iron to form ferric oxides, which sank to the bottom of primitive seas.

起初，它们所产生额外没有积聚在大气里，而是与铁合，成铁，沉入了原始海底。

The new method involves passing a current through a molten pool of iron oxide, which drives off the originally sought-after oxygen.

新方法步骤则包括向熔炉里铁通电，从而释放原本就炙手可热气。

Then the whole thing was polished using a powdered iron oxide mixed with water, probably buffed up with a chamois leather.

接下来用一种铁和水混合液体来抛光打磨整件物品，极可能是拿着块麂皮来弄。

It looks red because of rust – iron oxide on the surface, which is red and, interestingly that look can change.

它看起来呈红色是是因铁锈——表面上铁，它是红色，有趣是，它外观可以改变。

The brick battery relies on the reddish pigment known as iron oxide, or rust, that gives red bricks their color.

砖电池依赖于红色颜料铁，或铁锈，这种颜料赋予了红砖颜色。

The scientists covered tiny particles of tungsten oxide with iron oxide to mimic the way moth eyes gather light.

科学家仿造飞蛾眼睛结构，用铁盖住二钨上细小微粒。

Rust, or iron oxide, is a red coloured chemical that occurs when metals react with water and air.

铁锈，或铁，是当金属与水和空气反应时产生一种红色学物质。

So, when exposed to oxygen either in air or water the iron rusts and becomes iron oxide.

所以当暴露在气里时，无论是在空气中还是水中，铁会生锈并且变成铁。

Rust is the result of iron reacting with oxygen in air or water to form iron oxide.

生锈是铁与空气或水中气反应形成铁结果。

Yes - it's red because of rust - a reddish chemical substance called iron oxide that occurs when metals react with water and air.

知道，它呈红色是因铁锈——一种被称铁红色学物质，当金属与水和空气反应时会产生铁。

Mars is filled with iron, and its oxidised iron, basically rust, turns into dust particles and in addition to the beautiful dunes, you have this red atmosphere sometime red all over the surface of the planet.

火星堆满了铁和铁，基本上生了锈，了尘埃颗粒，除了美丽沙丘外，还有红色大气层，有时行星表面充满了红色。