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- A intelligentized control system, which was made of PLC,D/A and MFC, was developed to control pushing of the metal cathode source and varying gas composition. 研究开发了一套由可编程逻辑控制器 (ProgrammableLogicalControl,PLC)、D/A和质量流量控制器 (MassFlowControl,MFC)组成的智能控制系统 ,控制金属源阴极的推进和气体成分的改变。
- Discussion the emission mechanism of thermionic cathode and effort to explain the excellent performance of mixed metal cathode by Richardson formula and Muller"s computational model. 5)研制成功高精度多注阴极模具，不仅精度高，而且简单易行、使用寿命长，可有效地降低生产成本，提高工作效率。
- Advances in Rare Earth Doped Refractory Metal Cathode Materials 稀土难熔金属阴极材料研究进展
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- The characteristics of foamed metal electrodes are investigated to study electric potential distribution in electrolytes on foamed metal cathodes and the mathematical models are proposed. 研究了发泡金属电极的性质,得出了描述发泡金属电极床层中宏观反应速率、反应速率随时间的变化、床层中电解液的电势分布方程式。
- This is a kind of metallic paint. 这是一种有金属光泽的涂料。
- I heard metallic sounds when I was studying. 在我学习的时候我听到了金属撞击的声音。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- 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？
- A loud, resonant, metallic sound. 铿锵声大而洪亮的金属般的声音
- 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。
- 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。
- An alloy of two or more metallic elements. 合金两种或多种金属所合成的金属
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The ship was broken up for scrap metal. 这艘船拆毁了当废铁用。
- Being heated, the metal is rapidly melting. 由于受热，金属在迅速熔化。
- The metal has corroded (away) because of rust. 该金属已锈蚀。
