3,098 research outputs found
TCP/IP Control Server for a Multi-Drop Test Bench Network
This thesis describes the design, construction and verification process in full for the test server portion of the second generation of an automated testing network. The system was built for, and with, AMD/ATI of Markham, Ontario and will be used to test large batches of their graphics processing units (GPU\u27s). The final test system has the capability to simultaneously test and control several parameters on a large number of test nodes. The TCP/IP Control Server for a Multi-Drop Test Bench Network was designed to test and control a network of 256 test nodes over an RS-485 network. The contents of this thesis will describe the test server hardware in full, while the test nodes are described in Stephen Fox\u27s thesis. The test server consists of an Ethernet-enable MCU, an Altera Cyclone II FPGA and a custom RS-485 transceiver board used to communicate with the test nodes
Church and medicine: the role of medical missionaries in Malawi 1875-1914
This is the first systematic account of early mission medical activities in the Malawi Region (comprising present day Malawi, north eastern Zambia and the eastern shore of Lake Malawi). It compares the policies and practices of three missions -
Livingstonia, Blantyre and the UMCA - between 1875 and 1914, from pioneering
medical provision through to the establishment of hospitals and participation in largescale public health campaigns. The study acknowledges Megan Vaughan's important analysis of the discourse of missionary medicine, but suggests the need to reflect the different religious and professional influences informing the practice of individual mission doctors. The study further suggests that the organisation and professionalising of medicine within the three missions, from 1900, was dependent upon the activities of those doctors who
prioritised their professional rather than their evangelising roles.
The study also considers the important contribution of missionary nursing personnel
and African medical assistants in delivering both hospital and out-patient services, and identifies the professional, gender and racial factors which influenced their status
and roles.
The study also considers, as far as sources allow, the African patient's experience of
missionary medical services. In particular, it identifies the key role of referring
agents, such as African medical assistants and European employers, in directing
African patients to mission medical services. It suggests that, in contrast to the conflict in belief systems presented by the mission medical discourse, Western
medicine was incorporated alongside indigenous treatments within a plurality of
healing systems.
Finally, the study assesses the impact of missionary medical provision within the
Malawi region up to 1914. It demonstrates that, during the period of this study, the
Blantyre, UMCA and Livingstonia missions remained the principal sources of both
curative and palliative Western medicine for the African sick, contributing towards
the wider development of the missions and the European settler economy
Fictitious Names
In the early 1950s, when i was an undergraduate at a certain midwestern university, one of the favorite pasttimes of my fellow students and me was the making of names. But we weren\u27t content to stop there; we had to convince each other, and the authorities, that these names identified real persons. As blatant as this sounds, we would go to considerable lengths to enroll our creations in classes, student clubs and athletic teams, and we even offered them as prom queen (and king) candidates and nominated them for honor societies, including Phi Beta Kappa. We submitted lists of these made up names to city newspapers and described how their bearers had excelled in athletic or scholarly activities on campus. The media lapped it up, so anxious were they in those days to report anything of interest happening on campus
Magnetic Trapping of Cold Bromine Atoms
Magnetic trapping of bromine atoms at temperatures in the milliKelvin regime
is demonstrated for the first time. The atoms are produced by photodissociation
of Br molecules in a molecular beam. The lab-frame velocity of Br atoms is
controlled by the wavelength and polarization of the photodissociation laser.
Careful selection of the wavelength results in one of the pair of atoms having
sufficient velocity to exactly cancel that of the parent molecule, and it
remains stationary in the lab frame. A trap is formed at the null point between
two opposing neodymium permanent magnets. Dissociation of molecules at the
field minimum results in the slowest fraction of photofragments remaining
trapped. After the ballistic escape of the fastest atoms, the trapped slow
atoms are only lost by elastic collisions with the chamber background gas. The
measured loss rate is consistent with estimates of the total cross section for
only those collisions transferring sufficient kinetic energy to overcome the
trapping potential
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