1·Aluminium is the hard plating metal, there is no plating liquid to aluminium material direct chemical ni - p.
铝是一种难镀的金属，没有适合铝材直接化学镀镍的镀液。
2·The adding of ni into the zinc bath or increasing of the galvanizing temperature can inhibit the reactivity partially. But the mechanism is not well understood.
通过往锌池中加入一定的镍或者提高镀锌温度，可以在一定程度上抑制硅的反应性，但机理不清楚。
3·Many studies of catalysts for hydrogenation of natural oils have been made, in which Cu-Ni bibasic catalyst and ni unitary catalyst are the two mainstreams.
油脂加氢催化剂，国内外已进行了大量的研究，其中铜镍二元催化剂和单元镍催化剂是主要的研究方向。
4·New viewpoint of mechanism of electroless ni is presented on basis of experimental results and discussed through thermodynamics.
在实验基础上提出了对化学镀镍机理的一些新看法，并从热力学角度进行了讨论。
5·The cultivated rheum required quantity has an increase for the fe, mn, co, and decrease for the zn, cu, ni element nutrition with the growth age changes.
随著生长年龄增加种植大黄对铁、锰、钴元素营养需求量有所增加，对锌、铜、镍元素营养的需求量略减。