This paper introduces the technical condition of electrorefine high-nickel and high-sulphur copper anode and analyzes the problem and the reason in the practise.
Distorsion,corrosion,erosion and abrasion mechanisms,concerning the faulty section,of the boiler s secondary superheater were studied by on-site measurements and by samples,cut from the tubes.
Now we are face with actual or possible rigorous challenge of dairy safety.We must pay high attention to it.Adopt to active counterplot seriously an...
Based on analyzing hydraulic stepout and heating power stepout took place in hot water heating system indoor, the improvement plan is presented in this paper.
Starting from the summery, economic development foundation and incorporative development of Jing-jin-ji area, the paper makes 6 policies for the regional economic development of the area.
This paper investigated the species,distribution and harm of locoweed s and the various ways to prevent and cure locoweed poisoning in China by literature review and field survey.