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- The recent research achievements on antiwear composite coatings were overviewed with focusing on the codeposition of particles,matrix metal and so on. 可以采用电沉积(电镀、电刷镀)或化学沉积的方法获得复合镀层。
- The fracture morphology of matrix metal is dimple fracture and tear dimple, however, that of the cemented carbide is brittle cleavage fracture and intergranular fracture. 在冲击载荷作用下 ;基体金属断裂表现为高塑性的韧窝断裂 ;且存在一定撕裂棱 ;而硬质合金的断裂为脆性穿晶解理断裂或沿晶断裂 .
- Through production trials,diamond is successfully welded to the matrix metal nuder the common production conditions,improving the product performance,productivity and service life,and ... 通过生产工艺试验，实现了在常规制造工艺条件下，金刚石与胎体金属的焊接，从而提高了制品的性能、生产效率、使用寿命，降低了产品成本。
- Taking black corundum particals as ceramics component, hypereutectoid steel as matrix metal, and Si-Fe as alloy, the crucibles of composites made of three layer components were obtained. 采用黑刚玉为陶瓷，过共析钢为基体金属，硅铁为合金构成三层复合材料坩埚。
- It was found that during the electrodepositing process, the grain size of the welding seam and that of the matrix metal is not the same grade so that the current distribution in the cathode is uneven. 研究发现,在电解铜箔生产中,阴极辊表面焊缝处组织与基体金属组织晶粒尺寸不同级,因此电流在阴极上分布不均匀,在相同时间内沉积的铜箔厚度也不均匀,厚度差引起铜箔色差,形成光亮带;
- Taking black corundum particals as ceramics component,hypereutectoid steel as matrix metal,and Si-Fe as alloy,the crucibles of composites made of three layer components were obtained. 采用黑刚玉为陶瓷,过共析钢为基体金属,硅铁为合金构成三层复合材料坩埚。目的分别是抵抗铝金属液体的浸蚀,使材料具有一定强度且能抵抗高温气体的氧化。
- 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 term sometimes applied to a stylus in a thermal matrix printer. 有时用来指热敏点阵打印机的触针的一个术语。
- 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。
- 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 number of rows or columns in a determinant or matrix. 行列数行列式或矩阵中行或列的数目
- The metal has corroded (away) because of rust. 该金属已锈蚀。
- You need a powerful saw to cut through metal. 切割金属需用强劲的锯。
