And that gas reduces the iron oxide to iron.

种气体让氧化铁转化为铁。

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

他们使用过氧化铁，氧化铝，氧化锆，氧化钛及氧化铜。

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.

个区域很奇特，因为它含有层赤铁矿，层氧化铁，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，赭土和其它氧化铁会形成细小粉末。

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

氧化铁中氧会以氧气形式逸出。

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，种被称为铁水物氧化铁，意味着它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.

钢主要铁，如果不经常使用油漆和涂料，它将很快与大气中氧气发生反应，并返回到它自然形式氧化铁，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，哈穆兹岛上座山富含氧化铁矿物，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.

棕褐色沙子最常见，由种叫做石英岩石组成，种石英被种叫做氧化铁化学物质和另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，它们所产生额外氧没有积聚在大气里，而与铁化，成为氧化铁，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氧化铁通电，从而释放原本就炙手可热氧气。

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

接下来用种氧化铁和水混液体来抛光打磨整件物品，极可能拿着块麂皮来弄。

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

它看起来呈红色因为铁锈——表面上氧化铁，它红色，有趣，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氧化铁，或铁锈，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，用氧化铁盖住二氧化钨上细小微粒。

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

铁锈，或氧化铁，当金属与水和空气反应时产生种红色化学物质。

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

所以当暴露在氧气里时，无论在空气中还水中，铁会生锈并且变成氧化铁。

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

生锈铁与空气或水中氧气反应形成氧化铁结果。

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，它呈红色因为铁锈——种被称为氧化铁红色化学物质，当金属与水和空气反应时会产生氧化铁。

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.

火星堆满了铁和氧化铁，基本上生了锈，化为了尘埃颗粒，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。