The gas is fed back over the calcium oxide.

气体的反应体现在氧化钙上。

To recover the energy, the gas is fed back over the calcium oxide.

为了回收能量，气体重新与氧化钙反应。

Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.

这种化合物加热后会排出二氧化碳，产生氧化钙。

Nitrogen-oxide emissions during the cruising portions of the flight fell by around a quarter.

飞行中巡航部分的氮氧化物的排放量下降了四分之一左右。

Insects produce less ammonia than pig and poultry farming, ten times less methane than livestock, and 300 times less nitrous oxide.

昆虫产生的氨比猪和家禽少，它们产生的甲烷比家畜少十倍，而产生的一氧化二氮比家畜少三百倍。

You could run the reaction, take solid iron and gaseous oxygen, form iron oxide, measure the heat of formation of it, and tabulate it.

你可以进行一个反应，用固态铁和氧气生成氧化铁，测量它生成的热，列成表格。

From the Middle East the Chinese acquired a blue pigment—a purified form of cobalt oxide unobtainable at that time in China—that contained only a low level of manganese.

中国人从中东获得了一种蓝色颜料，这是一种当时在中国很难得到的纯净的氧化钴，这种颜料只含有少量的锰。

The atmosphere has small amounts of nitrous oxide.

大气中含有少量一氧化二氮。

Dentists may give patients nitrous oxide so they will not feel pain.

牙医可能会给病人一氧化二氮，这样他们就不会感到疼痛。

Geologist Gerard Bond noticed that some of the sediment grains were stained with iron oxide, evidence that they originated in locales where glaciers had overrun outcrops of red sandstone.

地质学家杰拉德·邦德注意到，一些沉积物颗粒被氧化铁染色，这表明它们起源于冰川覆盖红砂岩露头的地方。

The main secondary manganese oxide is hollandite.

次生锰氧化物主要为锰钡矿。

Germanium forms an amphoteric oxide GeO2 and anionic germanates, such as Mg2GeO4.

锗形成了两性氧化物 GeO2 和阴离子锗酸盐，如 Mg2GeO4。

Nitric oxide synthase activity may also result in the subsequent activation of guanylyl cyclase and PKG.

一氧化氮合酶活性也可能导致随后的冠状液环化酶和 PKG 的激活。

Portions of the oxide layer are removed to substantially planarize the trench-filled oxide layer as the first polysilicon layer.

所述氧化层的部分被移除，以使所述沟槽填充的氧化层作为第一多晶硅层基本平面化。

Quartz Wool was made from high-purity quartz, extremely low in metallic oxide impurities.

试映羊毛采用高纯石英制成，非常适用于进样口衬管。

Ziram was synthesized in an one-step with aqueous solution of dimethylamine carbon disulfide and zinc oxide.

以二甲胺水溶液、二硫化碳和氧化锌为原料一步合成了福美锌。

The mainly products of Raw materials of Tianxiang Bio-pharmacy are Tiamulin Fumarate, Tilmicosin Phosphate, Ceftiofur Hydrochloride, Albendazole Oxide, etc.

天象生物主要生产的兽用原料药有延胡索酸泰妙菌素、磷酸替米考星、盐酸头孢噻呋、氧阿笨达唑等。

This cup has no uranium oxide.

这个杯子没含二氧化铀。

It has uranium oxide in it.

它含有二氧化铀。

That red is uranium oxide.

那红的是二氧化铀。

One is indium tin oxide.

一种是氧化锡铟。

Iron oxide, after all, is not toxic.

毕竟氧化铁是无毒的。

Aluminum oxide, aluminum plus oxygen.

氧化铝，铝加上氧。

Magnesium oxide works.

氧化镁。

Nitrous oxide is also a greenhouse gas.

氮化物一氧化氮也是温室气体的一种。

Uranium oxide. Okay.

二氧化铀，好了。

How can you get rid of this oxide coating?

你们该怎样除去这些氧化皮？

Nitrogen oxide.

氮氧化合物。

Hematite is an iron oxide that is deep red in color.

赤铁矿是一种具有深红颜色的氧化铁。