Metallic nickel and ceramicalumina, magnesia fibres were prepared respectively by the organic-gel method from the raw materials of citric or lactic acid and the their metal salts.
以柠檬酸、乳酸及金属盐为原料，采用有机凝胶法制备了微细金属镍纤维、氧化镁纤维和氧化铝纤维。
2
From inner to outside, the composite pipe consisted of aluminaceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
复合管从里到外由氧化铝陶瓷层、金属过渡层、白口铸铁层、碳原子扩散层、球墨铸铁层组成。
3
Based on the specifications of a certain inertial element, the preparation craft and surface modification of high purity aluminaceramic were presented in detail.