2,260 research outputs found

    Emigration and stability in Hong Kong

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    Outpatient Administration of Paclitaxel

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    Paclitaxel (TaxolÂź, Bristol-Meyers Squibb), anti neoplastic agent made from the bark of the Pacific yew tree, is undoubtedly one of the most exciting agents to be evaluated over the past decade. Paclitaxel has demonstrated significant promise against ovarian and metastatic breast cancer, and appears to be the most effective single agent to date for non-small-cell lung cancer in trials conducted by Eastern Cooperative Oncology Group (ECOG)

    Using The Quantum Mechanical Path Integral In Quantum Field Theory

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    Matrix elements of the form {dollar}\langle x\vert\exp({lcub}-{rcub}iHt)\vert y\rangle{dollar} arise when operator regularization, a symmetry-preserving regulating procedure that avoids explicit occurrence of divergences, is employed to do perturbative calculations in quantum field theory. In recent years, it is shown that this matrix element can be evaluated using a path integral encountered in single particle quantum mechanics. This technique has the advantage of eliminating loop momentum integrals and algebraically complicated vertices in gauge theories. We develop this technique to handle various problems. Our approach is similar to but distinct from the one of Polyakov and Strassler which is related to the string based method of Bern and Kosower. The formalism of the quantum mechanical path integral (QMPI) in quantum field theory is demonstrated by several explicit computations. The effect of having to path-order in the QMPI is illustrated by considering a theory with scalar fields, each having a distinct mass. Computations in which the background fields are not plane wave fields are considered. The two-point function {dollar}\langle A\sbsp{lcub}\mu{rcub}{lcub}a{rcub}A\sbsp{lcub}\nu{rcub}{lcub}b{rcub}\rangle{dollar} to both one- and two-loop order in the Chern-Simons field theory is evaluated. The generating functionals of the b-quark decay {dollar}b\to s\gamma{dollar} are also examined by applying QMPI

    Are the markets for factories and offices integrated? Evidence from Hong Kong?

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    Due to the relocation of manufacturing facilities from Hong Kong to Mainland China, it is widely believed that some vacant private factories have been used as offices in Hong Kong. Yet there is no direct and systematic evidence to support this speculation. In fact, according to MacGregor and Schwann (2003), industrial and commercial real estate shares some common features. Our research attempts to investigate empirically the price and volume relationship between industrial and commercial real estate, using both aggregate and disaggregate data from the industrial and commercial property markets in Hong Kong. The study was built on the observation that economic restructuring and geographical distance will affect the substitutability (and thus the correlation) of different types of property, and utilizes commonly used time series techniques for analysis. Policy implications are discussed.aggregation bias, geographical distance, industrial real estate, substitutability

    Portrait methodology and educational leadership : putting the person first

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    This article describes a variant on a methodological approach which provides ways of developing educational leaders' understandings of themselves and their situation through the production of individually written 'portraits' which focus upon the individuals' personal concerns and issues. It describes the process undertaken in forming a particular application of this approach, which is characterised by being highly private, highly personal and conducted by peers, rather than by others in a hierarchical relationship, to produce a picture of a person's concerns at one moment in time. It examines a number of possible criticisms, before arguing that there are a number of distinct benefits to its adoption. A description is provided of how such a methodology can be translated into a useful tool that provides individuals with the non-judgemental space to reflect upon themselves and their performance, and to develop supportive networks of peers who can help to sustain them in their job. This approach then could not only help remediate current issues of recruitment and retention to leadership positions, it could also provide private development space in societies and educational systems increasingly characterised by surveillance and public criticism of performance. Finally, whilst this article focuses upon the use of portraits for educational leaders, it is suggested that it is a technique that could be used by virtually anyone in order to create space for private reflection

    Housing Price Dispersion: An Empirical Investigation

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    price dispersion, search models, macroeconomic factor, time aggregation

    An efficient color compensation scheme for skin color segmentation

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    2002-2003 > Academic research: refereed > Refereed conference paperVersion of RecordPublishe
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