The utility model provides a lead-containing material smelting device, which relates to a technical device for processing complicated lead-containing materials by a smelting method. The utility model is characterized in that the smelting device structurally comprises a flash furnace and a reducing ...
The invention discloses a method for smelting a lead-containing material, relating to the technological process for processing complex lead materials by utilizing a smelting method. The method is characterized in that a flash furnace and a depletion furnace are combined for smelting during the ...
专利名称:METHOD FOR REPROCESSING LEADCONTAINING MATERIALS 发明人:SHUMSKIY, Viktor Alexandrovich,USHAKOV, Nikolay Nikolayevich,STARSEV, Igor Vladimirovch,POLYAKOV, Ivan Petrovich,RAGULIN, Boris Alexandrovich,CHALENKO, Valentina Vasilyevna 申请号:KZ2007000004 申请日:20070327 公开号:WO08/002114 P 1 公开日:...
PROCESS FOR REDUCING THE AMOUNTS OF ZINC (ZN) AND LEAD (PB) IN MATERIALS CONTAINING IRON (FE)The present invention relates to a process for reducing the amounts of zinc and lead in starting materials comprising iron which comprises the steps of: —selectively leaching Zn and Pb comprised in...
materials. The BNT based materials with ergodic and non-ergodic relaxor states have been analyzed. The potential environmental threat of lead-containing materials in electronic materials has gradually shifted the focus to non-toxic, eco-friendly piezoelectric materials. Hence, this article's primary ...
Our lead-free PeLED has an external quantum efficiency of up to 20.29%, representing a performance comparable to that of state-of-the-art lead-containing PeLEDs6,7,8,9,10,11,12. We anticipate that these findings will provide insights into the stabilization of Sn(II) perovskites and further...
In countries where lead tetraethyl is still added to gasoline the general public is exposed to significant lead levels through vehicles exhausts, and even lead containing dust in the air [63]. Table 13.2. Fifty most hazardous substances in the United States based on: (1) substance must be ...
The 210Pb content in refined lead can originate both from the original ore, and perhaps more importantly through introduction of 210Pb containing materials during processing (Stukenbroeker et al., 1970). For example, large volumes of air used during smelting processes may introduce atmospheric dust...
aAdding organic matter, usually through compost and composting manures, are the main sources of soil fertility. These organic materials provide food to earthworms, beneficial bacteria and micro-organisms in the soil. All these creatures, seen and unseen, break soil down into compounds and nutrients...
(e.g., lead or lead alloys) which protects the user. Unfortunately, these materials add weight to the garments, making them heavy and uncomfortable to wear. Shoulder straps which drape over the shoulders of the user are usually required to support the weight of the garment. Enhanced support ...