8,007 research outputs found
From Beit Abhe to Angamali: connections, functions and roles of the Church of the East’s monasteries in ninth century Christian-Muslim relations
An important yet often neglected and largely unknown story in Christian-Muslim relations is the connections, functions and roles of Church of the East monasteries in the early Abbasid period of the ninth century. These monasteries had already existed in pre-Islam Arabia and were written about by Muslims in the following centuries. The thesis argues that monastic mission activities took place in the early and middle ninth century under Muslim rule with a similarity to prior centuries. It also argues that these activities focused on the Muslim context around them in Mesopotamia, differing from other scholarly work on the subject. One of these works is by William G Young, who describes his perception of the lack of witness to Muslims as a ‘puzzle’ that still needs more evidence. Contributing four more pieces to the 'puzzle' in this thesis, a more nuanced and comprehensive picture emerges.An original contribution of the thesis is in its investigation from primary sources of both faith perspectives whether mission activities were able to be sustained both in Mesopotamia and to the east in the early Abbasid context. What this mission may have meant and involved for both the Church of the East and Muslims will also be explored from these sources. Occurring both in Christian and Muslim imaginations as well as in reality, these encounters centred in the monasteries were written about in both Christian and Muslim sources providing resources for sustenance of Church activities in the early Abbasid period.The thesis also investigates the importance of monasteries like Beit Abhe and the leadership of Patriarch Timothy for those activities, including the nature of an expansion east to places like Angamali in Malabar as well as China. The interaction between the involvement in Mesopotamia and to the east will be examined more closely than in other studies. Involvement to the east will be reflected on in how that affected the 'image' of the Church in its homeland and relationship with the Abbasids as well.Whether these monastic activities were sustained in the early ninth century is important because it offers the story of a period when the Church in Asia lived without political power yet had a history of previous involvement in witness. A similar context is still relevant in several ‘contact zones’ of the world today, where Christians struggle to understand what mission means in their context of living as minorities under Muslim role and at times are facing existential issues of survival. Through this examination of the sources a further way of engagement is reflected on based in the nature of mission while living in difficult environments. The role of a Church subject to Muslim rule yet engaged in mission and learning activities within and beyond the regions of that rule provides a different historical paradigm than usually envisioned. The Church of the East monastery in its presence and encounter is analyzed in this thesis as a blend of a ‘contact zone’ and ‘conflict zone’ in Christian-Muslim relations of the early ninth century. Mission in this thesis is defined in these two dimensions of presence and encounter for a purpose of witness to the Christian faith, particularly from a monastic framework. Training for mission of the monks will be explored as part of the dimension of presence, focused in the monastic context
Benthic habitat mapping in the Olympic Coast National Marine Sanctuary: Classification of side scan sonar data from survey HMPR-108-2002-01: Version I
In September 2002, side scan sonar was used to image a portion of the sea floor in the northern OCNMS and was mosaiced at 1-meter pixel resolution using 100 kHz data
collected at 300-meter range scale. Video from a remotely-operated vehicle (ROV), bathymetry data, sedimentary samples, and sonar mapping have been integrated to
describe geological and biological aspects of habitat and polygon features have been created and attributed with a hierarchical deep-water marine benthic classification
scheme (Greene et al. 1999). The data can be used with geographic information system (GIS) software for display, query, and analysis. Textural analysis of the sonar images
provided a relatively automated method for delineating substrate into three broad classes representing soft, mixed sediment, and hard bottom. Microhabitat and presence of
certain biologic attributes were also populated into the polygon features, but strictly limited to areas where video groundtruthing occurred. Further groundtruthing work in
specific areas would improve confidence in the classified habitat map. (PDF contains 22 pages.
Olympic Coast National Marine Sanctuary Habitat Mapping: Survey report and classification of side scan sonar data from surveys HMPR-114-2004-02 and HMPR-116-2005-01.
The Olympic Coast National Marine Sanctuary (OCNMS) continues to invest significant resources into seafloor mapping activities along Washington’s outer coast (Intelmann and Cochrane 2006; Intelmann et al. 2006; Intelmann 2006). Results from these annual mapping efforts offer a snapshot of current ground conditions, help to guide research and management activities, and provide a baseline for assessing the impacts of various threats
to important habitat. During the months of August 2004 and May and July 2005, we used side scan sonar to image several regions of the sea floor in the northern OCNMS, and the
data were mosaicked at 1-meter pixel resolution. Video from a towed camera sled, bathymetry data, sedimentary samples and side scan sonar mapping were integrated to describe geological and biological aspects of habitat. Polygon features were created and attributed with a hierarchical deep-water marine benthic classification scheme (Greene et
al. 1999). For three small areas that were mapped with both side scan sonar and multibeam echosounder, we made a comparison of output from the classified images indicating little difference in results between the two methods. With these considerations, backscatter derived from multibeam bathymetry is currently a costefficient and safe method for seabed imaging in the shallow (<30 meters) rocky waters of
OCNMS. The image quality is sufficient for classification purposes, the associated depths provide further descriptive value and risks to gear are minimized. In shallow waters (<30 meters) which do not have a high incidence of dangerous rock pinnacles, a towed multi-beam side scan sonar could provide a better option for obtaining seafloor
imagery due to the high rate of acquisition speed and high image quality, however the high probability of losing or damaging such a costly system when deployed as a towed
configuration in the extremely rugose nearshore zones within OCNMS is a financially risky proposition. The development of newer technologies such as intereferometric
multibeam systems and bathymetric side scan systems could also provide great potential for mapping these nearshore rocky areas as they allow for high speed data acquisition,
produce precisely geo-referenced side scan imagery to bathymetry, and do not experience the angular depth dependency associated with multibeam echosounders allowing larger range scales to be used in shallower water. As such, further investigation of these systems is needed to assess their efficiency and utility in these environments compared to traditional side scan sonar and multibeam bathymetry. (PDF contains 43 pages.
Cultural Modifications in an Adolescent Earth-Oven Interment from Fiji: Sorting out Mortuary Practice
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Selective Laser Sintering of Polymer Nanocomposites
This paper describes the fabrication and characterization of polymer nanocomposite (PNC)
materials for use in the selective laser sintering (SLS) process. PNC materials are of great
interest generally because of their excellent physical properties, and offer excellent potential
in rapid manufacturing of structural polymeric parts. Three different nano additive materials
have been used: cerium oxide IV, yttrium stabilized zirconia, and layered Hectorite clay.
These materials have been used to reinforce PA6 polymer using solution blending and spray
drying to create powder with particle sizes in the range of 5-40 µm. The mechanical
properties and microstructure of the PNC materials have been evaluated and the results
compared to those of unfilled polymer.Mechanical Engineerin
X-ray Treatment of Ringworm of the Scalp: A Survey of 2,200 Cases
The following is an account of the technique used and results obtained in a series of 2200 cases of ringworm of the scalp personally treated by the writer at the dermatological institution of the Metropolitan Asylums Board. Observation of the cases has been facilitated by the fact that all the cases, with very few exceptions, were in-patients, the institution combining the functions of treatment centre and Childrens' Home. Despite the advent of thallium acetate, X-ray depilation still remains the main weapon in the armamentarium of the dermatologist in the treatment of tinea tonsurans, and seems likely to do so, in view of certain defects in the thallium acetate method - notably that of too early regrowth of the hair, and consequent re-infection from retained stumps. The chief advantage claimed for thallium acetate is its practibllity as a method in very young children. It is widely held that it is not possible to irradiate the scalps of children below three years of age. Below will be found a description of the writer's method of restraint of young patients: a method by which the patient can be kept absolutely still during the exposures, and that without harm or discomfort. By this means it is also possible safely to restrain imbecile children of any age within the limits of the Incidence of tinea tonsurans. In the writer's view, X-rays should therefore be preferred to the thallium acetate method in all cases. It is possible through accidental overdosage to kill a patient with the latter: the worst that can happen with Irradiation is an X-ray burn. The chief disadvantage of the X-ray method is the difficulty of arriving at the required accuracy in dosage. The margin of safety is small. Irradiation of the scalp for tinea tonsurans is, in brief, by far the most critical of all X-ray therapy. The percentage of accidents is fortunately small, but they do occur, and in fairness to the patient's parents, and as a safeguard the operator, the parents should be warned of the risk
All their eggs in one basket: a rocky reef nursery for the longnose skate (Raja rhina Jordan & Gilbert, 1880) in the southern California Bight
Skates (family Rajidae) are oviparous and lay tough, thick-walled eggs. At least some skate species lay their eggs in spatially restricted nursery grounds where embryos develop and hatch (Hitz, 1964; Hoff, 2007). After hatching, neonates may quickly leave the nursery grounds (Hoff, 2007). Egg densities in these small areas may be quite high. As an example, in the eastern Bering Sea, a site <2 km2 harbored eggs of Alaska skate (Bathyraja parmifera) exceeding 500,000/km2. All skate nursery grounds have been
identified over soft sea floors (Lucifora and GarcÃa, 2004; Hoff, 2007)
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Unexpected breech: what can midwives do?
Approximately 1:100-150 women at term experience diagnosis of breech presentation for the first time in labour. Such an unanticipated discovery is stressful for both women and the health care professionals who care for them. Undiagnosed breech experiences can leave midwives and women elated, distressed or disempowered. This article suggests practical ways midwifery change leaders can improve care for undiagnosed breeches within organisations: plan or scan antenatally, and identify a multi-disciplinary breech leadership team for support, reflection and collaborative professional development
Stand-alone flat-plate photovoltaic power systems: System sizing and life-cycle costing methodology for Federal agencies
A simple methodology to estimate photovoltaic system size and life-cycle costs in stand-alone applications is presented. It is designed to assist engineers at Government agencies in determining the feasibility of using small stand-alone photovoltaic systems to supply ac or dc power to the load. Photovoltaic system design considerations are presented as well as the equations for sizing the flat-plate array and the battery storage to meet the required load. Cost effectiveness of a candidate photovoltaic system is based on comparison with the life-cycle cost of alternative systems. Examples of alternative systems addressed are batteries, diesel generators, the utility grid, and other renewable energy systems
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