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Ticks, Demographics, Vegetation Cover, and f.rmer’s Age Inf.uence Red Meat Production in Resource-Poor Regions of.Eastern Cape Province of.South Af.ica

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Open Journal of.Animal Sciences 2021年第4期11卷 682-696页

作者： Nkululeko Nyangiwe Sindisile Goni Thami Khethani Tanki Thubela Mlungisi Jansen Siza Mthi Mandla Yawa Sive Tokozwayo Unathi Gulwa Ntanganedzeni O. Mapholi ishmael f. jaja Luxolo Qokweni Yanga Mkabile Mkabile Sindile Magoda Zoleka Ntondini Zamantungwa T. H. Khumalo Döhne Agricultural Development Institute Stutterheim South Africa Department of.Agriculture and Animal Health University of South Africa Florida South Africa Department of.Livestock and Pasture Science Faculty of Science and Agriculture University of Fort Hare Alice South Africa Department of.Rural Development and Agrarian Ref.rm Kokstad South Africa Department of.Rural Development and Agrarian Ref.rm Bathurst South Africa Department of.Rural Development and Agrarian Ref.rm Port Elizabeth South Africa Department of.Rural Development and Agrarian Ref.rm Queenstown South Africa National Institute f.r Communicable Diseases Sequencing Core Facility National Health Laboratory Service Johannesburg South Africa Department of.Veterinary Tropical Diseases Faculty of Veterinary Science University of Pretoria Onderstepoort South Africa

This study presents an integrated examination of.livestock production constraints associating with communal f.rming in six district municipalities (DMs) of.the Eastern Cape Province. We collected data on demographic a... 详细信息

This study presents an integrated examination of livestock production constraints associating with communal farming in six district municipalities (DMs) of the Eastern Cape Province. We collected data on demographic and socio-economic factors from 271 farmers randomly given questionnaires. About 26 Land Redistribution for Agricultural Development (LRAD) owned by communal farmers were surveyed to ascertain the condition of grazing land, meanwhile, tick species and distribution on cattle and goats found in 158 sampling sites of the study area were also recorded. From the results, a total of 34,929 adult ticks belonging to five genera and 10 species were encountered. The most abundant tick genera were Rhipicephalus of the subgenus Boophilus (68.91%), Amblyomma (20.72%), Hyalomma (8.64%), Ixodes (1.22%), and Haemaphysalis (0.51%). By geographic distributions, Amblyomma and f.nt-f.mily:Verdana;">Rhipic

关键词： Amblyomma Constraints Rangeland Conditions Rhipicephalus (Boophilus) microplus Tick Distribution South Af.ica

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Perf.rmance of.Large Area Thin-f.lm CdTe Detector in Diagnostic X-Ray Imaging

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International Journal of.Medical Physics, Clinical Engineering and Radiation Oncology 2013年第3期2卷 98-109页

作者： Diana Shvydka , Xiance Jin E. ishmael Parsai Department of.Radiation Oncology University of Toledo Toledo USA Department of.Radiation Oncology University of Toledo Toledo USA Department of Radiotherapy and Chemotherapy Wenzhou Medical University Wenzhou China

Signif.cant advancement in thin-f.lm cadmium telluride (CdTe) deposition techniques in recent years has made this material attractive f.r the development of.low-cost large area detector. Here we evaluate the intrinsic perf.rmance of.the detector f.r a range of.energies relevant to diagnostic imaging applications, such as f.uoroscopy. The input x-ray spectra f.r a set of.tube potentials ranging f.om 70 to 140 kVp were computed with the tungsten anode spectral model using interpolating polynomials (TASMIP) based on the measured output of.our diagnostic x-ray simulator. f.equency-dependent detector perf.rmance analysis was conducted through Monte Carlo simulations of.energy deposition within the detector. Intrinsic modulation transf.r f.nctions (MTf., noise power spectra (NPS), and detective quantum ef.iciencies (DQE) were computed f.r a set of.CdTe detectors of.varying thickness, f.om 100 to 1000 μm. MTf.behavior at higher f.equencies was af.ected by thickness and input energy, NPS increased with f.lm thickness and energy, and the resultant DQE(f. decreased with increasing the input energy, but increased with the thickness of.the detector. We f.und that the optimal thickness of.CdTe under diagnostic x-ray beam is in the range of.300 to 600 μm. Physical properties of.CdTe, such as the high atomic number and density, used in direct detection conf.guration, together with the recently established thin-f.lm manuf.cturing techniques makes this technology a promising photoconductor f.r large area diagnostic f.at panel imaging.

关键词： Monte Carlo CdTe Detector Photovoltaic Thin f.lm TASMIP DQE X-Ray Imaging

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Evading the host response:Staphylococcus“hiding”in cortical bone canalicular system causes increased bacterial burden

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Bone Research 2020年第4期8卷 447-457页

作者： Stephen D.Zoller Vishal Hegde Zachary D.C.Burke Howard Y.Park Chad R.ishmael Gideon W.Blumstein William Sheppard Christopher Hamad Amanda H.Lof.in Daniel O.Johansen Ryan A.Smith Marina M.Sprague Kellyn R.Hori Samuel J.Clarkson Rachel Borthwell Scott I.Simon Jef. f.Miller Scott D.Nelson Nicholas M.Bernthal Department of.Orthopedic Surgery University of CaliforniaLos Angeles125016th St Suite 2100Santa MonicaCA 90404USA David Gef.en School of.Medicine University of CaliforniaLos Angeles10833 Le Conte AveLos AngelesCA 90095USA Department of.Internal Medicine University of CaliforniaLos Angeles757 Westwood PlazaSuite 7501Los AngelesCA 90095USA Department of.Biomedical Engineering University of CaliforniaDavisDavisCA 95616USA Calif.rnia NanoSystems Institute University of CaliforniaLos Angeles570 Westwood PlazaLos AngelesCA 90095USA Department of.Microbiology Immunologyand Molecular GeneticsDavid Geffen School of MedicineUniversity of CaliforniaLos Angeles 90095USA Department of.Pathology University of CaliforniaLos Angeles125016th St Suite 3450Santa MonicaCA 90404USA

Extremity reconstruction surgery is increasingly perf.rmed rather than amputation f.r patients with large-segment pathologic bone *** persists as to the optimal void f.ller f.r this“limb salvage”surgery,whether metal or allograf. *** f.cus on optimizing important f.nctional gains f.r patients,and the risk of.devastating implant inf.ction has been thought to be similar regardless of.implant *** insights into inf.ction pathophysiology are challenging this equipoise,however,with both basic science data suggesting a novel mechanism of.inf.ction of.Staphylococcus aureus(the most common inf.cting agent)into the host lacunar–canaliculi network,and also clinical data revealing a higher rate of.inf.ction of.allograf. over *** current translational study was theref.re developed to bridge the gap between these insights in a longitudinal murine model of.inf.ction of.allograf. bone and ***-time Staphylococci inf.ction characteristics were quantif.ed in cortical bone vs metal,and both microarchitecture of.host implant and presence of.host immune response were *** orders-of.magnitude higher bacterial burden was established in cortical allograf. bone over both metal and cancellous *** establishment of.immune-evading microabscesses was conf.rmed in both cortical allograf. haversian canal and the submicron canaliculi network in an additional model of.mouse f.mur bone *** study results reveal a mechanism by which Staphylococci evasion of.host immunity is possible,contributing to elevated risks of.inf.ction in cortical *** presence of.this local inf.ction reservoir imparts massive clinical implications that may alter the current paradigm of.osteomyelitis and bulk allograf. inf.ction treatment.

关键词： immunity insight reservoir

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