Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution docx

... forum of Biogeosciences Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution Y. T. Fang 1 , P. Gundersen 2 , J. M. Mo 1 , and ... precipitation input (in both the pine and mixed forest) or increased (in the old-growth forest) after the interaction 4144 BGD 4, 4135–4171, 2007...

Ngày tải lên: 23/03/2014, 00:20

... the effect of DOM and biofilm attached onto PAC were decrease in adsorption capacity of PAC in the aeration tank. The objective of this study is to clarify the effect of DOM and biofilm on the ... suspended into 495 ml of the glucose medium in an Erlenmyer flask as an inoculum. Then, 5 g of PAC was added into the flask and shaken at 120 rpm and 20±0.5 o C. After...

Ngày tải lên: 05/09/2013, 08:40

... Biodegradation; Dissolved organic matter; DOC 1. Introduction In the past 10 years, much progress has been made in the understanding of dissolved organic matter (DOM) functions and dynamics in soils. ... effective in reducing the mineralisation of 0.5 mM citrate or oxalate. Boudot et al. (1989) found inhibiting effects of Al and Fe on citrate mineralisation only at m...

Ngày tải lên: 15/03/2014, 23:22

... groundwater of Kumamoto city was investigated. Nitrate -nitrogen was detected in the range from 0.2 to 5.8 mg/l in the groundwater of deep wells at 22 points out of total 30 sampling points including ... structure and groundwater flow in the second aquifer (the third aquifer in Kinbo volcano area) in Kumamoto city with sampling points. The allows indicate groundwater flo...

Ngày tải lên: 05/09/2013, 09:38

... explained in Chaminda et al. (2010) and in the Appendix of this paper. RESULTS AND DISCUSSION Biodegradability of zinc binding sites in river water DOM Fig. 1 represents the variation of ... As shown in Fig. 2 and Table 1, Zn titration data obtained for DOM in the original river water sample seems to fit into two linear portions indicating two classes of bindi...

Ngày tải lên: 05/09/2013, 10:15

... Biwa is divided into two basins, south and north. The southern basin is shallow and small with a mean depth of 4 m and a volume of only 0.2 km 3 , but the northern basin is deep and large with ... basin of Lake Biwa. Consequently, DOM in 2000s was expected to be 1.6 times higher than that in 1980s. Since the ratio of COD Mn observed in 2000s to that in 1980s in...

Ngày tải lên: 05/09/2013, 10:17

... line), in the presence of 100 l M neurotoxin ( • , dotted line), in the presence of 200 l M neurotoxin ( , dotted line) and in the presence of neurotoxin and 50 l M dopamine (h, dashed line). Modulation ... a better understanding of the role of various interacting components. The formation of dopamine–quinone adducts (because of auto-oxidation of the neurotrans- mitt...

Ngày tải lên: 14/02/2014, 19:20

... studies have also included the effects of Ca on the binding and dissolution behavior of OM in soils and aquatic systems. Mandal et al. (2000) examined the effects of Ca and Mg on Ni binding by FA. They ... Jordan et al. (1997) examined the increased mobility of Pb in the presence of natural organic matter in a sandy soil. They found that peat humic acids had a higher b...

Ngày tải lên: 15/03/2014, 23:22

... localization of chrysophsins in the gills of the red sea bream. Adjacent sections in the gills were immunostained with chrysophsin-1 antibody (A, C, E and F) and with hematoxylin and eosin (D, F and H) ... DC-protein assay kit using BSA as standard. The concentration of purified and synthetic chrysophsin-1 and chrysophsin-2 was obtained from the A 280 [24], and that of...

Ngày tải lên: 23/03/2014, 20:22

... Restructuring and Regional Air Pollution -27- MAIN, MAAC and MAPP with 65% of the additional generation for export coming from MAIN and MAPP. In these scenarios, the major importers are SERC, SPP and ... year, depending on how much existing coal-fired generation is employed. In addition, in their analysis of the impacts of increased utilization of existing coal plant...

Ngày tải lên: 06/03/2014, 16:20