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。
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。
它含有二氧化铀。
二氧化铀，好了。
氮氧化合物。
The solution is then treated to precipitate uranium oxide.
得到的溶液之后通过处理来析出铀氧化物。
And magnesium oxide has a melting point of 2,800 degrees C.
氧化镁，熔点在2800摄氏度。
70% of this was caused by methane and nitrous oxide emissions.
其中70%是由甲烷和一氧化二氮的排放造成的。
Nitrogen oxide emissions: 18 million tonnes (30% from vehicles).
氧化氮排放量：1800万吨(30%来自汽车)。
Soil stores organic carbon, but can emit methane and nitrous oxide.
土壤储存有机碳，但会释放甲烷和一氧化二氮。
In this case, copper oxide and strontium carbonate get the job done.
图片中呈现的效果通过使用氧化铜和碳酸锶实现。
They designed an electrode made from porous carbon and lithium oxide.
他们设计出的电极由多孔碳和锂氧化物制成。
This would convert zirconium into zirconium oxide and release hydrogen.
这会将锆转化成氧化锆，并释放出氢。
In Manchester, Mike Masonadvocated fuel cells that use solid-oxide technology.
在曼彻斯特，Mike Mason倡导过一种使用固态氧化物技术的燃料电池。
Nitrous oxide (N2O) is a greenhouse gas 300 times more potent than carbon dioxide.
氮氧化物(一氧化二氮)是一种比二氧化碳强300倍的温室气体。
Some wires, made of cobalt oxide and gold, become the negative poles of the battery.
一些导线由金和氧化钴制成，作为电池的负极。
They discovered a pathway that inhibits nitric oxide and thus impedesblood flow.
他们发现了抑制一氧化氮并阻止血液流动的途径。
It promised to be cheaper, safer and more environmentally friendly than cobalt oxide.
相对于钴氧化物而言，它更加低廉，更安全也更环保。
They discovered a pathway that inhibits nitric oxide and thus impedes blood flow.
他们发现了抑制一氧化氮并阻止血液流动的途径。
"The trick here is the cerium oxide - it's very refractory, it's a rock," said Haile.
Haile表示：“诀窍在于铈氧化物，它非常稳定，就像石头一样。”
"The trick here is the cerium oxide - it's very refractory, it's a rock," said Haile.
Haile表示：“诀窍在于铈氧化物，它非常稳定，就像石头一样。”
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