lead sulphide 中文意思是什麼
lead sulphide
解釋
方鉛礦硫化鉛方鉛礦-
Test methods for analysis of lead in pvc taken from insulation and sheath of electric and optical fibre cables - method a : total lead content determination with flame excitation atomic absorption spectrometry - method b : qualitative analysis of lead by lead sulphide staining
聚氯乙烯絕緣和護套光電纖維電纜鉛分析的試驗方法.方法a :用火焰激發原子吸收光譜測定法測定法含鉛總量測定.方法b :硫化鉛斑漬中鉛的定性分析 -
In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。 -
Research of new cleaner technological process on flotation of intricate lead - zinc sulphide ore
難選鉛鋅礦石清潔選礦新工藝小型試驗研究 -
Novel pb - zn separation process of pb preferential flotation with zinc depressing by potential controlled flotation for intricate pb - zn sulphide ore from huili lead - zinc mine
會理難選鉛鋅礦石電位調控抑鋅浮鉛優先浮選新工藝
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