Occurrence and fate of semivolatile organic compounds (SVOCs) in the tropical atmosphere

... control efforts to minimize the release of these chemicals to the environment The specific research gaps identified in the context of understanding the fate and transfer of SVOCs in SEA are summarized ... based on a combination of laboratory experiments, field studies and theoretical models, has provided key insights into our understanding of the fate and d...

Ngày tải lên: 11/09/2015, 10:15

... 310 DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS APPLICABILITY 1.1 This method (Method 310) applies to the determination ... determination of the percent by weight of: (1) volatile organic compounds (VOC) in consumer products, antiperspirant and deod...

Ngày tải lên: 14/03/2014, 20:20

... influenced routes of nanoparticles within cells Until now, very little is known about the intracellular long-term fate of silica nanoparticles and possible consequences of their persistence in ... Uptake and fate of surface modified silica nanoparticles in head and neck squamous cell carcinoma Journal of Nanobiotechnology 2011 9:32 Submit your nex...

Ngày tải lên: 11/08/2014, 00:23

... study the degradation behavior in ultrapure water, drinking water, rain water, river water and seawater under various pH and irradiation sources (sunlight, darkness, indoor incandescent lighting and ... propham (66 %), which probably underwent thermal degradation under the extraction conditions The results indicate that although carbamates tested in this study are thermally...

Ngày tải lên: 16/09/2015, 17:13

... freedom for the assignment of the variables under consideration The assignment of the main variables (A, B, C and D), two-variable interaction, and the level setting values of the main variables ... optimization of the MAE conditions To apply these techniques in practical applications, in this chapter I 138 demonstrated the application of these techniques...

Ngày tải lên: 16/09/2015, 17:13

... 88 An interesting result observed from Fig 4- 6 is that in the same solvent, the recovery increases in going from PAHs to PCBs, and then to triazines (i.e, increasing polarity of analyte) The recovery ... 88.1±3.7 89.8±3.2 91 .4 3.0 93.5 4. 5 41 .0±3.8 18 .4 4. 0 10 80.0±3.6 84. 2 4. 5 89.2±5.0 90.2 4. 0 93.2±2.9 94. 6±3.7 36.8±2.8 15.2±2 .4 15 79 .4 5.0 84. 6±3.6 86.6±3.6 87...

Ngày tải lên: 16/09/2015, 17:13

... 160.9 31 8.2 250.6 53. 3 3. 07 2.1 1. 43 60 52 45 * at pH 10.5, units of k and t1/2 are s-1 and s, respectively a incandescent lighting 64 3. 3 .3 Degradation of Propoxur in Natural Water In order to provide ... light intensity affects the K and t½ in each natural water sample K increases and t½ decreases accordingly when the light intensity increases in the ord...

Ngày tải lên: 16/09/2015, 17:13

... levels of the target analysts in soil samples before spiking 2. 3 .2. 2 Freshly spiked soils Freshly spiked soil samples were prepared by adding an appropriate volume of spiking solutions into the ... possible traces of PAHs, PCBs, triazines, carbamates and other organic contaminants, 100 g of each of the soil sample was immersed in 20 0 ml 46 each of methanol,...

Ngày tải lên: 16/09/2015, 17:13

... From Table 1- 5, it can be seen that various classes of pesticides have been determined by employing either LC-ESI-MS [11 1 -11 7, 12 1, 12 3] or LC-APCI-MS [11 8, 11 9, 12 2] The combination of SPE with ... ESI–PI–MS 5 10 11 6 GW off-line, 1L, SPE, ESI–NI–MS 5 10 11 5 SW off-line, 0.2L, SPE, ESI–PI–MS 20–30 11 7 Imidazolinone DW off-line, 2L, SPE, ESI–PI–MS about 11 3 Phenoxy...

Ngày tải lên: 16/09/2015, 17:13

... attack (15) The present clinical trial evaluated the safety and efficacy of UC -II in the treatment of the knee in OA patients Materials and Methods Study Design This clinical trial (Human Clinical ... Compliance was assessed by capsule count at visits 3, 4, and and review of subject diary Efficacy and Safety Variables Efficacy and safety measu...

Ngày tải lên: 26/10/2012, 09:48

... Vietnam, information transceiver system working VHF bands have a lot of important applications Therefore, the study of information transceiver systems in the band VHF to understand the structure, the ... buildings can be a problem in urban areas 1.3 Thesis objectives and structure In this thesis,I will clarify the roles and the need of a information...

Ngày tải lên: 27/05/2014, 20:57

... Validation of the PROFAD-SSI among Sjogren's syndrome patients in the United States The data provided represent the statistical validation of the PROFAD-SSI among Sjogren's syndrome patients in the United ... interpret[9,10] The present study was designed to address these gaps in the PSS literature and to provide a systematic investigation of the h...

Ngày tải lên: 18/06/2014, 18:20

... have often ture In DISCUSSION AND CONCLUSIONS been The different tree species in the tropical rain forest of the French Guyana obviously display a wide range of strategies in exploring the soil and ... structures with vesicles and coils The formation of the thick outer layer occurs very rapidly after the apparition of the short root, close to...

Ngày tải lên: 08/08/2014, 19:21

... staining (g) Intense staining of a hyperplastic RA synovial lining cell layer This staining was typical of most areas of RA synovium where the lining was hyperplastic (h) An area of an RA synovial ... stained positively (arrow) (e) Intense staining of individual cells in the lining layer of a typical OA synovium (f) An area of an OA synovium demonstrates a lining lay...

Ngày tải lên: 09/08/2014, 10:20

... article as: Richter et al.: Long-term follow-up after en bloc resection and reconstruction of a solitary paraganglioma metastasis in the first lumbar vertebral body: a case report Journal of Medical ... supervised the writing of the manuscript URL and HFH performed the operation HFH, URL and TL supervised the general management and fo...

Ngày tải lên: 11/08/2014, 00:22