An assessment of some heavy metal elements in crude oil

... hydrocarbon-remediating plant since it failed to germinate in the crude oil impacted soils. Out of the five heavy metals (or soil quality indicators) used to assess the efficacy of the legumes, ... prospecting and mining as well as oil spillages are also major sources of these metals [3]. The ecological significance of heavy metals, in recent times, is traceable to...

Ngày tải lên: 14/09/2014, 20:14

... especially in com- parison to the VISION 2020 goals of WHO. Findings are intended to inform health policy formulators in monitor- ing and planning for further interventions in their existing programmes ... the global initiative for the elimination of avoidable blindness launched jointly by the World Health Organization and the Interna- tional Agency for the Prevention of Blindness...

Ngày tải lên: 18/06/2014, 17:20

... concentration of Cd 43% in the roots of oats. Trace metal deficiencies in plants have been associated with increases in heavy metal uptake (Khan and Frankland 1983). Soil pH significantly influences heavy ... immobilization of heavy metals, and there is very little leaching through the soil profile (Khan and Frankland 1983). Immobilization can increase the Cd concen...

Ngày tải lên: 15/03/2014, 23:10

... resources in China. Beijing: University of People’s of China Press; 1993 [in Chinese]. [7] H. B. Xu. The Principle of Analytic Hierarchy Process.Tianjin: Tianjin University Press;1986 [in Chinese]. ... manures is estimated using the number of animals and the annual dry excrement production of one animal [13]. Manure resources in China in 2006 are included in Table 4 [1...

Ngày tải lên: 05/09/2013, 15:28

... NATIONAL UNIVERSITY - HANOI COLLEGE OF FOREIGN LANGUAGES POST-GRADUATE DEPARTMENT DƯƠNG THỊ HỒNG AN AN EVALUATION AND APPLICATION OF SOME MULTIMEDIA PRESENTATION SOFTWARE IN DESIGNING ENGLISH LECTURES ... bài giảng môn tiếng Anh tại Khoa Công nghệ thông tin - Đại học Thái Nguyên) MINOR PROGRAMME THESIS ENGLISH TEACHING METHODOLOGY CODE: 60.14.10 Supervisor : DO TUAN MINH, PhD HA...

Ngày tải lên: 07/09/2013, 13:08

Ngày tải lên: 07/03/2014, 02:20

... An assessment of healthcaresystemaccessibility of local communities in YenChauDistrict,SonLaProvince TranAnhTuan 1, *,TranVanTuan 1 ,LeTuan An 2 ,HoangThanhTung 1  1 College of Science,VNU 2 CentreforEnvironmentalStudies,Alliance of VietnamCooperative Received10October2007;received in revisedform28November2007 Abstract.SonLaHydroelectricProjectha...

Ngày tải lên: 14/03/2014, 15:20

... remaining German machine guns. 21 Cambrai also witnessed the emergence of antitank doctrine and weapons. By the end of the war, improvements in tank obstacles, antitank guns, and antitank ... the attacking infantry and only nine of these covered the distance to the German lines. Nevertheless, the British tanks caused panic in the German ranks and their impressive performance ca...

Ngày tải lên: 15/03/2014, 21:20

Ngày tải lên: 16/03/2014, 00:07

... with an area of 15 × 20 m on I-75 in Cincinnati, during five rainfall events in 1995. Their results showed that the event mean concentrations (EMC) HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS ... 62 30 HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS 309 Figure 4. Cluster analysis. Figure 5. XRD pattern of XS1 taken from 1–5 cm depth. HEAVY METAL CONT...

Ngày tải lên: 16/03/2014, 00:25