methods of market research primary and secondary

... oxidation (secondary OC). Clarifying the roles of primary and secondary OC produc- tion is an important step toward an improved understanding and modeling of the sources, morphology and effects of aerosol ... with the importance of both primary emissions and secondary production of regional aerosol. The diurnal cycle of factor 4 (Figure 3d) showed evidence of both primary and secondary influence. Daytime ... interpretation, and quantification of primary and secondary contributions Dylan B. Millet, 1,2 Neil M. Donahue, 3 Spyros N. Pandis, 3 Andrea Polidori, 4 Charles O. Stanier, 2,5 Barbara J. Turpin, 4 and Allen...

Ngày tải lên: 05/03/2014, 21:20

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Ngày tải lên: 08/08/2014, 23:22

Ngày tải lên: 12/08/2014, 05:20

Ngày tải lên: 24/06/2015, 00:57

... clarification of the research issues, development of the experimental methodology, and production of guide- lines for developers of interactive systems. I believe 7) that developers of natural ... on failures and successes), recording the history and current status of the problem solving process, and giving the user comprehensible and powerful co,ands. ll) Experimental research will ... systems, and exaggerate public fear of computers. Alternative modes of computer use are suggested and the role of psychologically oriented controlled experimentation is emphasized. Research methods...

Ngày tải lên: 21/02/2014, 20:20

... person with the diabetes and/ or their carer as part of their daily life. Accordingly, understanding of diabetes, informed choice of management opportunities, and the acquisition of relevant skills ... different aspects of the care of Type 2 diabetes. The rising prevalence of the disease, and the range of complications which can arise, reinforce the importance of up-to-date guidance and accord- ingly ... deputy for Professor Melanie Davies and Dr Jiten Vora Professor Sally Marshall Professor of Diabetes, Newcastle University Professor David Wood Professor of Cardiovascular Medicine, Imperial...

Ngày tải lên: 08/03/2014, 14:20

... limitations of these studies included: lack of prospective protocols in most instances, non-randomisation of people, lack of control groups, small sample sizes, and lack of patient and/ or investigator ... effectiveness of levodopa, levodopa and selegiline and bromocriptine. The other study 156 consisted of 473 people with PD, and compared the effectiveness of selegiline, levodopa and dopamine agonists (bromocriptine ... ability of experts versus non-experts. However, they show that the diagnosis of PD is wrong in around 47% of community-ascertained cases, 25% of non-expert secondary care diagnosed cases, and 6–8% of cases...

Ngày tải lên: 31/03/2014, 13:20

... trading and volatility at the opening of markets can be explained along the lines of the Admati and Pfleiderer (1988) theory, the different behaviour of the two currencies in different markets ... (1989), and Son (1991). An important result of this paper is that the inclusion of half-hourly dummies, and taking account of simultaneity between volatility, average spread, and number of quota- tions, ... spread and number of observations are ex- cluded from this equation. In such a case the OLS estimates of the first and second lag volatility, of the regression of volatility on Dummies and 2 lagged...

Ngày tải lên: 23/04/2014, 15:52

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Ngày tải lên: 07/08/2013, 11:04

Ngày tải lên: 16/03/2014, 03:20