Xem 1-20 trên 42 kết quả Significant parameters
  • It is difficult to overemphasize the importance of magnetic resonance techniques in chemistry. Experimental spectra can usually be successfully interpreted empirically, but more difficult cases require a prediction based on the electronic structure. In the last 25 years the calculation of magnetic resonance parameters from first principles has become a powerful research tool that can significantly enhance the utility of magnetic resonance techniques when empirical interpretations are insufficient.

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  • In early 1979 Martin Feldstein suggested that the general approach of Mervyn King's Public Policy and the Corporation (1977) could be used to compare effective marginal tax rates for several different countries.

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  • OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P16:There is an ever increasing demand for staff with IT industry certification. The benefits to employers are significant—they can be certain that staff have a certain level of competence—and the benefits to the individuals, in terms of demand for their services, are equally great. Many employers are now requiring technical staff to have certifications, and many IT purchasers will not buy from firms that do not have certified staff.

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  • Special events often bring attention and significant economic benefits and opportunities to local communities. These could include an influx of revenue into the local community, such as the hotel and restaurant industry. Local event planners must not sacrifice public safety for the sake of economic benefit. Certain businesses in a community may be adversely affected by certain requirements of the special event, such as closing streets in a commercial area or increased traffic in residential areas.

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  • Overall, adults age 65 and over do not appear to be using the Internet. This population has resisted going online, but all age groups have begun to gain ground as users. (Laurich 2002, 176). Laurich maintains that the elderly believe the Internet does not contain information highly relevant to their needs. Moreover, more than any other age group, they tend not to have Internet access either in their home or at work, though they do use the Internet at libraries. 22% of adults 65 and older have access to the Internet. Of the 22% of the US adults aged 65...

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  • The ionosphere is considered to be that region of an atmosphere where significant numbers of free thermal (

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  • Our first new result is that risk-based models fit the stock return comove- ments between our portfoliosmuch better than theHeston–Rouwenhorstmodel does. In particular, the APT and a Fama–French (1998) type model with global and regional factors fit the data particularly well. Second, in examining time trends in country return correlations, we find a significant upward trend for stock return correlations only within Europe.

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  • Typically, the response rate in a direct marketing campaign is low. It is not unusual to see a response rate of less than 5%. As a result, the size of the “responder” class tends to be much smaller than the size of the “non-responder” class. Such situation where the class distribution is significantly skewed toward one of the classes is commonly known as the class imbalance problem [Jap00]. The more interesting class is usually the smaller class.

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  • The discovery of high temperature superconductors (HTS) in 1986 by two IBM scientists led to an unprecedented explosion of research and development efforts world-wide because of the significant potential for practical applications offered by these materials. However, the early euphoria created by the exciting prospects was dampened by the daunting task of fabricating these materials into useful forms with acceptable superconducting properties. Progress towards this goal has been hindered by many intrinsic materials problems, such as weak-links, flux-creep, and poor mechanical properties.

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  • In recent years, biometrics has developed rapidly with its worldwide applications for daily life. New trends and novel developments have been proposed to acquire and process many different biometric traits. The ignored challenges in the past and potential problems need to be thought together and deeply integrated. The key objective of the book is to keep up with the new technologies on some recent theoretical development as well as new trends of applications in biometrics.

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  • Despite attempts to secure harrnonisation of accounting practice, significant variations in accounting rules and practice continue to arise in European countries, variations which give rise to compliance costs for multinational companies. Firstly, this paper considers the relevance of international accounting harmonisation for European business. It then proceeds to examine accounting regulation in three countries: Spain, Sweden and Austria, highlighting the key regulatory issues of the 'true and fair' view requirement and the link between taxation and accounting.

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  • With the proliferation of Web and multimedia services, and virtual private networks (VPNs) connecting corporate sites, more versatile Internet routing protocols have become critical. Current Internet packet forwarding is based on the destination address. Simple routing algorithms that determine forwarding paths based on the minimum number of hops or delay to a specified destination are no longer sufficient. The need to support diverse traffic types and applications with quality demands (see Figure 1) imposes new requirements on routing in the (now commercial) Internet.

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  • Mulford et al conclude that attractive people ‘have more opportunities for social exchange, but those opportunities are with others who are relatively inclined to cooperate.’ (1998, 1585). Significantly, the same researchers also identify subjects’ perceptions of their own attractiveness as important determinants of behaviour. It is important to recognise the emotional aspect of beauty.

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  • Applied statistics and probabilty for engineers_This is an introductory textbook for a first course in applied statistics and probability for undergraduate students in engineering and the physical or chemical sciences. These individuals play a significant role in designing and developing new products and manufacturing systems and processes, and they also improve existing systems. Statistical methods are an important tool in these activities because they provide the engineer with both descriptive and analytical methods for dealing with the variability in observed data.

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  • Natural groundwater quality changes start in the soil, where infiltrating rainfall dissolves carbon dioxide from biological activity in the soil to produce weak carbonic acid that may assist removal of soluble minerals from the underlying rocks, e.g. calcite cements. At the same time, soil organisms consume some of the oxygen that was dissolved in the rainfall. In temperate and humid climates with significant recharge, groundwater moves relatively quickly through the aquifer.

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  • Southern Nevada Water Authority (SNWA) officials are proposing to import 11 billion gallons of water a year from rural northeastern Nevada, nearly 300 miles away, to Las Vegas Valley. To accomplish this, SNWA plans to build a 285-mile water pipeline. Recent estimates peg the cost at $3.5 billion, but former federal water planner Mark Bird and others think the true costs could be as much as four times higher. SNWA plans to finance Nevada’s largest-ever public works project with tax-exempt bonds.

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  • Late in the expansion phase (December 2003), the screening test was adjusted to add VILI as part of the algorithm. This was done after experience at the district hospital level and the completion of international studies involving more than 55,000 women in Asia and Africa showed VILI to be easier to interpret and significantly more sensitive than VIA. 10 Lugol’s iodine stains normal cervix tissue brown, while precancerous lesions (CIN) and cancerous lesions appear as a mustard yellow color.

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  • The federal government’s role in financing and administering these two loan programs differs significantly. Under FFELP, private lenders, such as banks, provide loan capital and the federal government guarantees FFELP lenders a minimum rate of return on the loans they make and repayment if borrowers default.1 Additionally, state-designated guaranty agencies perform a variety of administrative functions in FFELP. Under the Direct Loan Program, federal funds are used as loan capital and are provided through participating schools.

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  • Responses to the realities reflected above are not new to NRM or community-based development. There have been significant changes to the methods and theoretical underpinnings of all kinds of community development over the past 30 or so years. Much of this change is the result of reflection on experience, coupled with, and sometimes forced by, the insistence of local voices like Freedom’s, to be heard and reckoned with.

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  • Admissions to registered nurse (RN) programs rose steadily in Canada over the last decade from 8,947 in 1999 to 14,010 in 2008-2009. This significant growth represents a multifaceted response to a strong societal demand for more nursing graduates, including government investment in additional seats, the opening of new nursing schools, and the introduction of new program models. The demand for nurses and the baccalaureate entry requirement instituted in all provinces except Quebec also stimulated applicant interest and an upgrade in the quality of applicants to nursing programs. ...

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