青年中文earth metals的意思
earth metals中文翻譯：
土金屬
alkaline earth metals───[機] 堿土金屬
metals───五金
earth───vt.把（電線）[電]接地；蓋（土）；追趕入洞穴；n.地球；地表，陸地；土地，土壤；塵事，俗事；獸穴；vi.躲進地洞
coinage metals───錢幣金屬
niobate metals───鈮酸鹽金屬
fusibility metals───易熔金屬
fabricated metals───金屬制品
provident metals───普羅維登特金屬公司
speedy metals───快速金屬
Other types of magnets could be used in turbines, and rare earth metals could be recycled.───其他種類的磁鐵可以用在渦輪機上，稀土金屬可以循環使用。
Today we continue our report on the group of chemical elements known as rare earth metals.───今天我們將繼續報道稀土金屬類的稀有化學元素。
decade ago, America was the world's leading producer of the rare-earth metals.───十年前，美國是世界頭號稀土金屬生產國。
The main bottleneck, they argue, could be the production of rare earth metals such as neodymium, which is often used in making magnets.───他們爭論的主要難題是，稀土金屬如釹的生產通常用來制作磁鐵。
Some countries with rare earth metals no longer mine them -- including the United States. One reason is the low-cost imports from China.───一些擁有稀土金屬儲量的國家不再開采--包括美國在內，其中原因之一是從中國可以低價進口，另一個原因是考慮到開采對環境的破壞。
Neodymium. Yttrium. Dysprosium. You can be forgiven for not knowing the names of these rare earth metals.───釹、釔、鏑——人們不知道這些稀土金屬的名字也情有可原。
Few people had ever heard of the natural elements known as rare earth metals before a recent dispute between China and Japan.───在中國和日本最近的爭端之前，很少人聽說過稀土礦這種自然元素。
Other compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.───其它稀土金屬，釔或鈧，或前述金屬混合物之無機或有機化合物。
Some countries with rare earth metals no longer mine them -- including the United States.───有些國家已經停止了對稀土金屬的開采--如美國。
Rare earth metals, such as metallic neodymium and metallic didymium (metallic praseodymium -neodymium), are used for rare earth magnets, mainly neodymium-iron-boron magnet.
Different dopants including rare earth metals, alkali earth metals, transition metals and other elements are introduced, and the trend of the mixed oxides in exhaust purification is prospected.
The halted shipments involved rare earth oxides, rare earth salts and pure rare earth metals — all of which are carefully tracked by customs officials for compliance with government export quotas.
Prices of some rare earth metals have doubled in just three weeks amid heavy stockpiling in China that has raised fears over global supplies.
Rare earth metals have purifying and fining and alloying effects.
He added: "It looks like we could reduce cost, weight and mass and avoid the geopolitical issues with the rare earth metals."
Yttrium serves as an ideal non - magnetic diluent for the rare - earth metals.
The results of determining the alkaline and alkaline earth metals in the treated gasoline showed there was no loss of metals from the catalysts.
Strontium Chemical element, one of the alkaline earth metals, chemical symbol Sr, atomic number 38.