3,535 research outputs found

    Search for Biological Precursor Molecules in Volcanic Volatile Systems Semiannual Status Report, Mar. - Sep. 1966

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    Natural volcanic gaseus systems investigated for biological precursor molecule

    Poverty, Prosperity and the Challenges of the Good Company

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    The articles in this volume originate from papers delivered at the 9th International Conference on Catholic Social Thought and Management Education at De La Salle and Ateneo Universities in Manila, Philippines (February 26–28, 2015). The theme of the conference was “Poverty, Prosperity and the Purpose of Business” within the Catholic social tradition. In attendance were approximately 300 participants representing 22 countries from 80 Catholic colleges and universities. They came from disciplines in management, philosophy, finance, accounting, theology, marketing, economics, and others. There were also leaders from business, many of whom were from the Philippines, who brought their experiences to bear on the conversations. Along with this diversity of education and experience were people of different faith traditions whose moral and spiritual commitments run deep on the importance of mission and identity of Catholic universitie

    Motivational Factors of American Prisoners of War Held by the Democratic Republic of Vietnam

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    January 1973 witnessed the end of the longest continual armed conflict in the 200 year history of the United States. Sixty days after the signing of the Paris agreement, the longest recorded incarceration of American prisoners of war (POW\u27s) ended for more than 500 men, over 450 of whom had been held in the Democratic Republic of Vietnam (DRV). Several of these men had endured more than 8 years as prisoners of the DRV, while one POW held by the Vietcong was detained over 9 years

    Phase in Optical Image Processing

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    The use of phase has a long standing history in optical image processing, with early milestones being in the field of pattern recognition, such as VanderLugt's practical construction technique for matched filters, and (implicitly) Goodman's joint Fourier transform correlator. In recent years, the flexibility afforded by phase-only spatial light modulators and digital holography, for example, has enabled many processing techniques based on the explicit encoding and decoding of phase. One application area concerns efficient numerical computations. Pushing phase measurement to its physical limits, designs employing the physical properties of phase have ranged from the sensible to the wonderful, in some cases making computationally easy problems easier to solve and in other cases addressing mathematics' most challenging computationally hard problems. Another application area is optical image encryption, in which, typically, a phase mask modulates the fractional Fourier transformed coefficients of a perturbed input image, and the phase of the inverse transform is then sensed as the encrypted image. The inherent linearity that makes the system so elegant mitigates against its use as an effective encryption technique, but we show how a combination of optical and digital techniques can restore confidence in that security. We conclude with the concept of digital hologram image processing, and applications of same that are uniquely suited to optical implementation, where the processing, recognition, or encryption step operates on full field information, such as that emanating from a coherently illuminated real-world three-dimensional object

    Phase in Optical Image Processing

    Get PDF
    The use of phase has a long standing history in optical image processing, with early milestones being in the field of pattern recognition, such as VanderLugt's practical construction technique for matched filters, and (implicitly) Goodman's joint Fourier transform correlator. In recent years, the flexibility afforded by phase-only spatial light modulators and digital holography, for example, has enabled many processing techniques based on the explicit encoding and decoding of phase. One application area concerns efficient numerical computations. Pushing phase measurement to its physical limits, designs employing the physical properties of phase have ranged from the sensible to the wonderful, in some cases making computationally easy problems easier to solve and in other cases addressing mathematics' most challenging computationally hard problems. Another application area is optical image encryption, in which, typically, a phase mask modulates the fractional Fourier transformed coefficients of a perturbed input image, and the phase of the inverse transform is then sensed as the encrypted image. The inherent linearity that makes the system so elegant mitigates against its use as an effective encryption technique, but we show how a combination of optical and digital techniques can restore confidence in that security. We conclude with the concept of digital hologram image processing, and applications of same that are uniquely suited to optical implementation, where the processing, recognition, or encryption step operates on full field information, such as that emanating from a coherently illuminated real-world three-dimensional object

    The Moral Ecology of Good Wealth

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    This chapter defines “good wealth” in terms of its interdependent and organic relationship among wealth’s creation, distribution and charitable dimensions. The relationship among these three functions of wealth fits well with what Catholic social teaching refers to as “moral ecology.” In terms of wealth creation, business enterprises are the economic engine of society. We also need to speak of wealth distribution, and in particular a just distribution. The third dimension of wealth is its charitable function, in many respects the most excellent of the three functions of wealth. This chapter addresses the tensions and challenges among these three dimensions and points to innovative practices where the three dimensions of good wealth can be integrated
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