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Human comfortable degree change and its response to temperature in recent sixty years in Nanjing city
By analyzing average daily air temperature and relative humidity data from 1951 to 2009,the daily human comfortable degree of Nanjing in the past 60 years was determined calculated.Based on thisExpand
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TREATMENT OF LEAD CONTAINING AND HIGH pH TAILING WASTEWATER IN A LEAD-ZINC MINE
The wastewater treatment process in a Lead zinc Mine using deposition of lead ion with sodium sulfide settlement in KLMZ Lamella filtering through sand filter neutralization by sulfuric acid isExpand
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Evaluation on soil heavy metal pollution at Dabaoshan mine in Guangdong province
The Cd,Pb,Zn,Cu contents of soil at Dabaoshan mine were analyzed and the condition of soil pollution caused by heavy metal was evaluated by using single factor pollution index and N.L.NemerowExpand
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Inhibition on hatching rate of Cryptolestes ferrugineus(Coleoptera:Laemophloeidae) by low oxygen conditions
The inhibition on hatching rate of rusty grain beetle Cryptolestes fenugineus(Stephens) by low oxygen conditions was studied at 30℃and 75%RH.Results showed that after exposure for 192 h toExpand
Study on Flotation of Lead-Zinc Ore Rich in Cu~(2+) and Pb~(2+)
Based on characteristics of some minerals which co ntains much Cu 2+ and Pb 2+ and zinc in mineral is mainly in the form of marmatite,the sodium sulphide is applied for preliminary precipitation ofExpand
Study on heavy metal migration characteristics with runoff sediment of polymetallic mine in Beijiang River basin
The erosion characteristics of heavy metal,existing in accumulated soils spoiled in different years in Dabaoshan Mine in upstream of Beijiang River,had been studied,and the results were as follows:Expand
OPTIMIZATION ON DETERMINATION OF CADMIUM IN PADDY BY GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETRY AND DISTRIBUTION OF CADMIUM IN PADDY
The paper optimized the graphite furnace atomic absorption spectrometry described in GB/T 5009.15-2003,and primarily analyzed the distribution of cadmium in paddy.The results showed that the optimalExpand
A Preliminary Discussion on the Harmful Effect and Treatment of Lead-Zinc Tailing Wastewater Containing Heavy Metal Ions
The harmful effect of heavy metal ions and the cause of heavy metal ions in lead-zinc tailing wastewater are analysed,the treatment methods and examples are presented.