Xem 1-20 trên 241 kết quả Method employing
  • The book is divided into four main parts: key issues in researching language learning/teaching, data collection, data analysis and writing up research. Both qualitative and quantitative methodologies are discussed, alongside popular mixed-methods approaches, such as triangulated studies, thus covering many of the methods commonly employed in the field.

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  • Battery chargers are employed for charging starter, traction, and stationary batteries as well as for supplying stand-by power. The demands for these devices are dependent on the operation conditions. Charging starter and traction batteries is mainly conducted during recesses. Hereby the consumers are disconnected for charging batteries (Figure 13.1). Charging for stationary batteries allows an ensured stand-by power supply for parallel and switch operation for DC consumers.

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  • Charging of batteries must be conducted with direct current. Alternative current or rotary current have to be transformed. Mostly semiconductor rectifiers are employed for this task. Methods for battery charging vary with demand and the charging time is of great importance. The charging devices can be divided into those that charge above gassing voltage and those that do not. Chargers that exceed gassing voltage during charging are employed for charging one battery at a time, while the ones that do not exceed gassing voltage can be used for parallel charging of several batteries. ...

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  • An individual’s benefit payment is reduced dollar for dollar by the amount of their “countable income”—income less all applicable exclusions—in a given month. Income in the SSI program includes “earned income” such as wages and net earnings from self-employment; and “unearned income” such as Social Security benefits, unemployment compensation, deemed income from a spouse or parent, and the value of in-kind support and maintenance such as food and shelter. Different exclusion rules apply for different types of income. ...

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  • The Financial Catch: Even though all expenses are paid, the company will require the new employee to pay up-front certain work permit, visa, and immigration fees from their own funds. Unfortunately, this multi-national corporation or music mogul cannot pay the $1,800 fees for the applicant. The employer can only be sure that the applicant is serious about the offer by having him pay the up-front fees out of pocket. The Bottom Line: Consistent with the newer forms of the 419 scam, this scam is customized to fit the specific victim. It is not a sudden...

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  • In machine learning, whether one can build a more accurate classifier by using unlabeled data (semi-supervised learning) is an important issue. Although a number of semi-supervised methods have been proposed, their effectiveness on NLP tasks is not always clear. This paper presents a novel semi-supervised method that employs a learning paradigm which we call structural learning.

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  • An unsupervised part-of-speech (POS) tagging system that relies on graph clustering methods is described. Unlike in current state-of-the-art approaches, the kind and number of different tags is generated by the method itself. We compute and merge two partitionings of word graphs: one based on context similarity of high frequency words, another on log-likelihood statistics for words of lower frequencies. Using the resulting word clusters as a lexicon, a Viterbi POS tagger is trained, which is refined by a morphological component. ...

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  • Unemployment among teenagers peaked at 27 percent in the fall of 2010, the highest since records began being kept after World War II. For African-American teens, unemployment hit 43 percent last year. As of September 2011, the unemployment rate for 16-to-19-year-olds was 24.6 percent. With one in four teens in search of work not landing a job, some corporate interests are blaming the bleak employment picture on the 2007-2009 increases in the federal minimum wage from $5.15 to $7.25 over three years—the first increase after a decade of inaction. But this attempt...

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  • Chapter 3 - Thinking like a researcher. After studying this chapter you will be able to understand: The terminology used by professional researchers employing scientific thinking, what you need to formulate a solid research hypothesis, the need for sound reasoning to enhance research results.

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  • Chapter 3 - Thinking like a researcher. After studying this chapter you will be able to understand: The terminology used by professional researchers employing scientific thinking, what you need to formulate a solid research hypothesis, the need for sound reasoning to enhance research results.

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  • About the Author Professor Ellen A. Benowitz has been employed at Mercer County Community College since 1972. In addition to providing instruction in the areas of accounting, business organization, business communications and management, she has also served in several administrative positions. Professor Benowitz is also the New Jersey State Chairman for Future Business Leaders of America-Phi Beta Lambda and serves as member of the national board of directors.

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  • Electric motors convert electrical energy into mechanical energy by utilizing the properties of electromagnetic energy conversion. The different types of motors operate in different ways and have different methods of calculating the performance, but all utilize some arrangement of magnetic fields. Understanding the concepts of electromagnetics and the systems of units that are employed is essential to understanding electric motor operation.The first part of this chapter covers the concepts and units and shows how forces are developed.

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  • 358 Planning and Forecasting Experience indicates that such suppliers would expect to be compensated for bearing this risk and would charge more for their products.4 An alternative approach, the use of various hedging procedures, is the more common method employed to manage the risk of foreign-currency exposure.

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  • Molecules, small structures composed of atoms, are essential substances for lives. However, we didn’t have the clear answer to the following questions until the 1920s: why molecules can exist in stable as rigid networks between atoms, and why molecules can change into different types of molecules. The most important event for solving the puzzles is the discovery of the quantum mechanics. Quantum mechanics is the theory for small particles such as electrons and nuclei, and was applied to hydrogen molecule by Heitler and London at 1927.

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  • Gyroscopic precession is a key factor involved in the concept of operation for the north-seeking gyrocompass, as will be discussed later. Friction in the support bearings, external influences, and small imbalances inherent in the construction of the rotor cause even the best mechanical gyros to drift with time. Typical systems employed in inertial navigation packages by the commercial airline industry may drift about 0.1 during a 6-hour flight [Martin, 1986]. 2.1.

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  • The practice of law is not monolithic. Professional directories for the United States sort one million lawyers and 50,000 law firms into some 65 core practice areas. In Lawyers at Work, I interview fifteen lawyers in fifteen practice areas selected to be representative of the lawyering spectrum: employment law, corporate defense, criminal prosecution, financial services, international project finance, family law, international law, cross-border mergers and acquisitions, antitrust, intellectual property, entertainment, nonprofit, civil rights, trusts and estates, and civil litigation.

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  • C H A P T E R 8 Counting the cost – summarizing money variables over time Chapter objectives This chapter will help you to: ■ ■ ■ ■ ■ ■ employ simple and aggregate index numbers to measure price changes over time work out weighted aggregate price indices: Laspeyre and Paasche indices adjust figures for the effects of inflation using price indices apply methods of investment appraisal: accounting rate of return, payback period,

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  • C H A P T E R 11 Finding the right way – analysing decisions Chapter objectives This chapter will help you to: ■ ■ ■ work out expected values using probabilities appreciate attitudes to risk and apply decision rules construct decision trees and use them to decide between alternative strategies ■ ask ‘what if’ question about conclusions from decision trees by employing sensitivity analysis ■ make use of Bayes’ rule to find posterior probabilities for decision trees

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  • C H A P T E R 13 Smooth running – continuous probability distributions and basic queuing theory Chapter objectives This chapter will help you to: ■ ■ ■ ■ ■ ■ make use of the normal distribution and appreciate its importance employ the Standard Normal Distribution to investigate normal distribution problems apply the exponential distribution and be aware of its usefulness in analysing queues analyse a simple queuing system use the technology: continuous probability distribution become acquainted with business uses of the normal distribution...

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  • C H A P T E R 15 Taking short cuts – sampling methods Chapter objectives This chapter will help you to: ■ ■ ■ appreciate the reasons for sampling understand sampling bias and how to avoid it employ probabilistic sampling methods and be aware of their limitations ■ use the technology: simple random sampling in MINITAB and SPSS ■ become acquainted with business uses of sampling methods

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