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- One solution employs a ferromagnetic metal to inject a spin-polarized current into a semiconductor. 解决这种问题的办法是，利用铁磁金属将自旋偏极化的电流注入半导体内。
- For example, present-day read heads in computer hard drives use a device dubbed a spin valve, wherein a layer of a nonmagnetic metal is sandwiched between two ferromagnetic metallic layers. 例如，目前的硬碟读写头使用了类似自旋阀的元件，其构造是一层非磁性金属夹在二层铁磁金属中间。
- Non ferromagnetic materials -Ferromagnetic materials 非铁磁材料铁磁材料
- Until recently, however, all spintronic devices have required ferromagnetic metals, which do not mesh well with current microchip production techniques. 不过直到最近，所有的自旋电子元件都得用铁磁金属才行，这和当前微晶片的制造技术并不协调。
- Due to the delocalization of 3d electrons, the magneto-crystalline anisotropies of 3d ferromagnetic metals cannot be solved analytically. 2.;由于3d电子的部分非局域性，3d磁性金属的磁晶各向异性无法解析处理；
- Researchers must answer several major questions before the second category of devices can take off as a viable industry: Can we devise economic ways to combine ferromagnetic metals and semiconductors in integrated circuits? 为了让第二类自旋电子元件工业起飞，成为实际的产业，研究人员必须先回答下列几个主要问题：是否能想出较经济的方法，在积体电路中结合铁磁金属和半导体?
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去，发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- non ferromagnetic material 非铁磁材料
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- ferromagnetic metallic to paramagnetic insulating transition 绝缘体-金属转变温度
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
