And that gas reduces the iron oxide to iron.

这种气体让化铁转化为铁。

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

他们使用过化铁，化铝，化锆，化钛及化铜。

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.

这个区域很奇特，因为含有一层赤铁矿，一层化铁，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，赭土和化铁会形成细小粉末。

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

化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，这一种被称为铁水合物化铁，这意味着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.

钢铁，如果不经常使用油漆和涂料，将很快与大气中气发生反应，并返回到自然形式化铁，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，哈穆兹岛上一座山富含化铁矿物，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.

棕褐色沙子最常见，由一种叫做石英岩石组成，这种石英被一种叫做化铁化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，们所产生额外没有积聚在大气里，而与铁化合，成为化铁，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化铁通电，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.

接下来用一种化铁和水混合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.

看起来呈红色因为铁锈——表面上化铁，红色，有趣，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化铁，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，用化铁盖住二化钨上细小微粒。

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

铁锈，或化铁，当金属与水和空气反应时产生一种红色化学物质。

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

所以当暴露在气里时，无论在空气中还水中，铁会生锈并且变成化铁。

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气反应形成化铁结果。

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，呈红色因为铁锈——一种被称为化铁红色化学物质，当金属与水和空气反应时会产生化铁。

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。