purification of some heavy metals from paper making
Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal
... that the behavior of TP differs from that of TOC and TN in the equipment. The CVs in heavy metals were larger than those of TOC, TN and TP. Especially, the CV of Fe changed from 0.73 at IN ... time of more than one hour. The reduction rates of TOC and TN ranged from 20 % to 40 %. The reduction rate of TP ranged from 20 % to 90 %. The reduction rates of met...
Ngày tải lên: 05/09/2013, 09:38
Preparative isolation and purification of six volatile compounds from essential oil of Curcuma wenyujin using high-performance centrifugal partition chromatography doc
... v/v/v). A total of 8 mg of curdione (1), 4 mg of curcumol (2), 10 mg of germacrone (3), 18 mg of curzerene (4), 9 mg of 1,8-cineole (5) and 17 mg of b-elemene (6) were isolated from the essential ... temperature. Both of the upper and the lower phases were degassed for 30 min by ultrasonication before use. Aliquots of 300 mg of the essential oil were diluted by 2.4 mL o...
Ngày tải lên: 07/03/2014, 21:20
Immobilization of heavy metals in sediment dredged from a seaport by iron bearing materials
... Ministry of Public Health of Vietnam 2 Classification of medical wastes 2 Situation of medical wastes in Vietnam 3 From solid wastes 3 To liquid wastes 4 Financial difficulties 5 Solution of ... easily by using one of the latest technologies – Biofast – a kind of machine for filtering liquid wastes. Biofast are outstanding because of its effectiveness and efficiency....
Ngày tải lên: 23/09/2012, 15:38
Tài liệu The Paper Making Process From wood to coated paper pot
... Fine Paper Europe head office ● Sappi Fine Paper Europe sales office ● Sappi Fine Paper Europe mill ● UK Speciality mill ● Sappi Trading sales office Obtain a printed version of this brochure from ... Packing and storage 14 VIII Paper properties 15 lX Concluding remarks 16 The Paper Making Process From wood to coated paper Obtain a printed version of this brochure from...
Ngày tải lên: 22/02/2014, 09:20
A guide to larvae and juveniles of some common fsh species from the Mekong River Basin
... caudal ns. Page 1 Larvae and juveniles of some common sh species from the Mekong River Basin A guide to larvae and juveniles of some common sh species from the Mekong River Basin ISSN: 1683-1489 Mekong ... preparation of this paper was facilitated by the MRC Fisheries Programme with funding from DANIDA and SIDA. Figure 1. Fish larvae sampling net being retrieved from t...
Ngày tải lên: 14/03/2014, 08:46
Distribution and mobility of heavy metals
... obtained can be of use for the local authorities to decide about the necessity of reclamation of the two sites and the level of priority of the interven- tion, with respect to the situation of other ... wastewaters of local industries, some of which operating in the electroplating field, and its floods caused an accumulation of contaminants, mainly of inorganic nature, in...
Ngày tải lên: 15/03/2014, 23:56
Effect of metal spiking on different chemical pools and chemically extractable fractions of heavy metals
... Higher content of the F 3 and F 5 fractions of heavy metals could explain the lower concentration of heavy metals in F 2 and F 1 fractions [19]. This might be ascribed to the presence of unoxidized ... effects of the spiked metals from that of other metals and various other contaminants present in the sludge. Since, bioavailability of metals added to soil as meta...
Ngày tải lên: 16/03/2014, 00:07
DETERMINANTS OF COMMERCIAL BANKS INTEREST RATE SPREADS: SOME EMPIRICAL EVIDENCE FROM THE EASTERN CARIBBEAN CURRENCY UNION pdf
... purpose of this study is to provide an econometric account of some of the main determinants of the ex-post interest rate spreads of commercial banks. The paper uses pooled annual data of all ... However, from 1997, the trend exhibited is that of a narrowing of the foreign banks’ spread and a widening of those of the indigenous banks. This could have been as a res...
Ngày tải lên: 22/03/2014, 23:20
Some intelrim Results from a Controlled Trial of Cost Sharing in Health Insurance pptx
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: Selection of a CXCR4 antagonist from a human heavy chain CDR3-derived phage library doc
... acid content of the IgM HCDR3 library, a set of 128 randomly iso- lated clones from the library was sequenced. Analysis of the global frequency of the 20 individual amino acids of the IgM HCDR3 ... 4C). Indeed, analysis of the individual length of the ECL2-positive HCDR3 loops revealed a length ranging from eight to 19 residues, with an average value of 12 ± 2.4. Analysis...
Ngày tải lên: 28/03/2014, 22:20