Arsenic speciation in environmental and biological samples extraction and stability studies

Ngày tải lên: 23/09/2012, 14:47

Ngày tải lên: 23/09/2012, 14:48

... 1 Arsenic contamination in soils, water and plants surrounding gold mine in Thailand Thares Srisatit 1 , Wanpen Wirojanagud 2 , Thanes Weerasiri 3 1 Faculty of Environmental Engineering, ... is also separated and diffused into soil and water, and pollutes to the environment. Gold mining at Wangsaphung district, Loei province of Thailand, is the one of mining indust...

Ngày tải lên: 25/04/2013, 08:21

... linkage of arsenic to other elements in the sediments have been described. Core samples mainly consist of alternating beds of fine sands and very - 126 - fine sands, and muds occur at an interval ... irrigation and drinking water since such systems were established (Yokota et al, 1997. However, arsenic contamination of groundwater is now confirmed in the wide regions of B...

Ngày tải lên: 05/09/2013, 08:40

... blending. All runs were conducted at full loading and 2500 rpm with a 13.4-kW, inline, three-cylinder, direct-injection diesel engine. To load the engine, a dynamometer is coupled to the rotating ... season, chlorinated, dechlorinated, and then discharged. Figure 1 is a photograph of the algae growing in the launders. The algae are a combination of several coexisting species includi...

Ngày tải lên: 05/09/2013, 15:28

... and quality of information (input data) needed and difficulty in obtaining them, ability to handle uncrtaines and availability of user friendly software were also concerns”. Ref [17] have indicated ... as an input, easiness to understand and use, and so forth. The most essential factors for choosing the MCA technique is the easiness of understanding by the analyst, the stakeho...

Ngày tải lên: 05/09/2013, 16:11

... question, influences on the funding of some research projects (and not others), influences on the outcome of research (i.e., findings), and influences on the dissemination of research findings? ... genetics and lifestyle are the main causes of cancer. Initial questions for discussion:  Why do you think that environmental and medical communities on the one hand, and governme...

Ngày tải lên: 17/02/2014, 10:20

... in paint, gasoline, or industries. Drinking Water Lead occurs in drinking water through leaching from lead-containing pipes, faucets, and solder, which in turn can be found in plumbing of ... pathways for workers are inhalation and ingestion of lead-bearing dust and fumes. Workers in the lead smelting, refining, and manufacturing industries experience the highest an...

Ngày tải lên: 05/03/2014, 10:20

... witnesses cold, salty water sinking in the north Atlantic and in Antarctica’s Weddell Sea, flowing darkly through the ocean depths, and surfacing again in the North Pacific; a journey lasting approximately ... (i) the wind-induced flow and (ii) a larger-scale, deeper-reaching thermohaline circulation, the latter set up by changes in temperature and salinity, and hence density,...

Ngày tải lên: 06/03/2014, 19:20