实验结果证实，它们都可以作为催化剂的载体，沉淀法承载金属催化剂，直接裂解乙炔，催化合成多壁碳纳米管。
Experimental results proved that both of them could support metallic catalyst by precipitation, and directly decompose acetylene to prepare multi walled CNTs.
本论文采用均匀沉淀法、液-固相法制备了纳米金属镍及纳米氧化镍粒子。
In this thesis, nickel oxide (NiO) and nickel metal (ni) nanoparticles were prepared by methods of homogeneous precipitation and thermal decomposition of nickel oxalate.
用均匀沉淀法合成了均苯四甲酸过渡金属配合物。
Transitional metal complexes of pyromellitic acid were synthesized by homogeneous precipitation method, and characterized by TG, element analysis and FTIR.
砷的主要处理方法有硫化物沉淀法，或与多价重金属络合。
Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.
该工艺采用焙烧法将污泥中的金属组分同类分离，并结合黄钠铁矾沉淀法去除杂质铁等工艺对铜、镍、铬进行了回收利用。
Different metals are separated from the electroplating sludge by roasting and copper, nickel and chromium were recovered with suitable methods such as removing iron by sodium jarosite precipitation.
制备儿茶素的方法很多，但目前工业化制备技术主要集中于溶剂萃取法和金属离子沉淀法。
Although there are many ways to prepare tea catechins, the solvent extraction and the iron-precipitation are mainly applied in the industrial technology.
采用共沉淀法和金属有机络合物固载法，分别制备了钴氧化物负载的纳米金催化剂。
Cobalt oxide supported nanometer gold catalysts were prepared by coprecipitation and organo-gold complex grafting method respectively.
离子交换技术处理重金属废水，既可实现废水中重金属的去除，有可回收废水中的重金属，避免化学沉淀法处理重金属废水时产生大量的污泥。
The wastewater was treated by ion exchange technology, heavy metal ions could be removed and could be recovered, and avoided much sediment from wastewater treated by chemic-Sedimentation.
离子交换技术处理重金属废水，既可实现废水中重金属的去除，有可回收废水中的重金属，避免化学沉淀法处理重金属废水时产生大量的污泥。
The wastewater was treated by ion exchange technology, heavy metal ions could be removed and could be recovered, and avoided much sediment from wastewater treated by chemic-Sedimentation.
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