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。
From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
立面的材料很坚固，低层使用砖石，玻璃和金属用于包层，上面是黑锌和自然氧化铝。
The materiality of the facade is substantial with masonry used at low levels and glass and metal cladding, black zinc and natural anodised aluminium above.
我厂所制备的氧化铬、氧化铝陶瓷涂层和碳化钨金属涂层有着耐磨损、耐腐蚀、耐高温等优良性能。
I plant of the chromium oxide, alumina ceramic coating and has a tungsten carbide metal-resistant coating wear, corrosion resistance, high temperature, and other fine performance.
用射频磁控溅射法在阳极氧化铝模板表面制备了金属铝膜。
Metal aluminum films were deposited on AAO templates by radio-frequency magnetron sputtering.
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。
Metallic nickel and ceramic alumina, magnesia fibres were prepared respectively by the organic-gel method from the raw materials of citric or lactic acid and the their metal salts.
对在加压氮气中金属铝粉的直接氮化和氧化铝粉的碳热还原氮化法制备氮化铝粉末进行了研究。
The preparation of aluminium nitride powder by means of direct nitridation under pressurized nitrogen atmosphere and carbothermal nitridation of alumina is studied.
该氢氧化铝适用于吸附剂或催化剂载体组分， 最好是用于重油或渣油加氢脱金属催化剂的载体组分。
The aluminum hydroxide is suitable to be used as a component of absorbent or catalyst carrier, particularly a component of a heavy oil or residual oil hydrodemetallization catalyst carrier.
该催化剂是将沸石与氧化铝先混合成型、制成载体，然后用铵离子将沸石中的钠离子交换至一定交换度，再用铂金属进行浸渍而制成的。
The said catalyst is prepared through mix shaping of zeolite with alumina to make up carrier, exchanging na ions in zeolite with ammonium ions, and impregnating with Pt.
介绍了金属铝经阳极氧化后形成的氧化铝为载体，负载催化组分制成催化剂的制备方法。
The preparation method of the catalyst prepared by anodic oxidation of aluminium, hydration treatment and impregnation of the catalytic active substance is introduced in this paper.
介绍了金属铝经阳极氧化后形成的氧化铝为载体，负载催化组分制成催化剂的制备方法。
The preparation method of the catalyst prepared by anodic oxidation of aluminium, hydration treatment and impregnation of the catalytic active substance is introduced in this paper.
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