1,331 research outputs found
Equilibrium topology of the intermediate state in type-I superconductors of different shapes
High-resolution magneto-optical technique was used to analyze flux patterns
in the intermediate state of bulk Pb samples of various shapes - cones,
hemispheres and discs. Combined with the measurements of macroscopic
magnetization these results allowed studying the effect of bulk pinning and
geometric barrier on the equilibrium structure of the intermediate state.
Zero-bulk pinning discs and slabs show hysteretic behavior due to geometric
barrier that results in a topological hysteresis -- flux tubes on penetration
and lamellae on flux exit. (Hemi)spheres and cones do not have geometric
barrier and show no hysteresis with flux tubes dominating the intermediate
field region. It is concluded that flux tubes represent the equilibrium
topology of the intermediate state in reversible samples, whereas laminar
structure appears in samples with magnetic hysteresis (either bulk or
geometric). Real-time video is available in
http://www.cmpgroup.ameslab.gov/supermaglab/video/Pb.html
NOTE: the submitted images were severely downsampled due to Arxiv's
limitations of 1 Mb total size
Hard spheres at a planar hard wall: Simulations and density functional theory
Hard spheres are a central and important model reference system for both homogeneous and inhomogeneous fluid systems. In this paper we present new high-precision molecular-dynamics computer simulations for a hard sphere fluid at a planar hard wall. For this system we present benchmark data for the density profile ρ(z) at various bulk densities, the wall surface free energy γ, the excess adsorption Γ, and the excess volume vex, which is closely related to Γ. We compare all benchmark quantities with predictions from state-of-the-art classical density functional theory calculations within the framework of fundamental measure theory. While we find overall good agreement between computer simulations and theory, significant deviations appear at sufficiently high bulk densities
Studi Pelaksanaan Sistem Rujukan Rawat Jalan Tingkat Pertama (Rjtp) Padapeserta Bpjs Kesehatan di Puskesmas Perumnas Kota Kendari Tahun 2016
Pelayanan kesehatan dilaksanakan secara berjenjang dimulai dari pelayanan kesehatan tingkat pertama. Pelayanan kesehatan tingkat kedua hanya dapat diberikan atas rujukan dari pelayanan kesehatan tingkatpertama. Pelayanan kesehatan tingkat ketiga hanya dapat di berikan atas rujukan dari pelayanan kesehatantingkat kedua atau tingkat pertama, kecuali pada keadaan gawat darurat, kekhususan permasalahan kesehatanpasien, pertimbangan geografis, dan pertimbangan ketersediaan fasilitas Tingginya rasio rujukan di PuskesmasPerumnas melebihi standar ketetapan BPJS Kesehatan 15% berpengaruh pada tingginya pelayanan di rumah sakit.Tujuan penelitian ini adalah mengetahui gambaran umum pelaksanaan sistem rujukan rawat jalan tingkatpertama peserta BPJS Kesehatan di Puskesmas Perumnas Kendari tahun 2016. Data primer berasal dari informankunci dan informan biasa yaitu mereka yang di anggap secara baik dan benar yang berjumlah 6 orang denganrincian 1 informan kunci dan 5 informan biasa sedangkan data sekunder di peroleh dari instansi terkait penelitian.Hasil penelitian menunjukkan bahwa implementasi aspek kebijakan system rujukan belum berjalan dengan baikdilihat dari tingginya rasio rujukan yang mencapai 16% melebihi dari standar ketetapan BPJS Kesehatan yaitu 15%,ketersediaan dokter telah memenuhi standar SDM, ketersediaan obat-obatan belum lengkap, ketersediaanfasilitas dan alat kesehatan medis fasilitas pelayanan kesehatan belum lengkap dan masih ada beberapa Pasienyang meminta rujukan namun apabila masih dapat ditangani di Puskesmas Perumnas maka tidak akan diberirujukan
Determinan Kejadian Stunting pada Balita Usia 12-59 Bulan di Wilayah Kerja Puskesmas Puuwatu Kota Kendari Tahun 2016
Stunting (pendek) berdasarkan umur adalah tinggi badan yang berada di bawah minus dua standardeviasi (<-2SD) dari tabel status gizi WHO child growth standard. Banyak faktor yang dapat memicu seorangbalita dapat menjadi stunting yaitu BBLR, tinggi badan ibu, jarak lahir dan paritas. Penelitian ini bertujuanuntuk mengetahui faktor BBLR, tinggi badan ibu, jarak lahir dan paritas sebagai det erminan kejadian stuntingpada Balita usia 12-59 bulan di wilayah kerja Puskesmas Puuwatu Kota Kendari 2016. Penelitian ini adalahpenelitian epidemiologi analitik observasional menggunakan desain case control dengan prosedur matching.Populasi dalam penelitian ini 2.186 Balita dengan jumlah sampel sebanyak 65 kasus dan 65 kontrol.Pengambilan sampel menggunakan teknik purposive sampling dengan pendekatan fixed disease pada sampelkasus maupun kontrol. Selanjutnya dilakukan analisis bivariat menggunakan McNemar dan multivariatmenggunakan uji Conditional Logistic Regression. Hasil penelitian menunjukkan bahwa BBLR (OR=5,5;95%CI=1,200-51,065), tinggi ibu (OR=2,5; 95% CI=1,159-5,832) dan paritas (OR=3,25; 95% CI=1,428-8,305)merupakan determinan kejadian stunting. Jarak lahir (OR= 3; 95%CI= 0,536-30,393) bukan merupakandeterminan kejadian stunting. Pada analisis multivariat, determinan yang paling besar pengaruhnya terhadapkejadian stunting adalah tinggi badan ibu (OR=2,4; 95%CI=1,131-5,371)
Tc-99m NIDP and Tc-99m HMPAO labelled leukocyte scans in tuberculous spondylitis
A study was undertaken to assess the pattern of uptake on bone and labelled leukocyte scans in tuberculous spondylitis. Nine consecutive newly diagnosed cases were
studied with Tc-99m MDP bone scans and Tc-99m HMPAO labelled leukocyte scans.The patients had basic laboratory investigations, plain chest and spine radiographs and
computed tomography of the spine. Static images of bone scans were acquired at 3 hours and labelled leukocyte scans were acquired at 1,3 and 24 hours post-injection. A total of 11 spinal lesions were detected. Six bone scans were done demonstrating eight lesions and all showed abnormally increased activity.Labelled leukocyte scans were done in eight patients involving ten lesions and all except one showed photopaenic defects at the regions of interest.Both bone scan and leukocyte scan provided important information about the extent of the lesions and the combination of their pattern of uptake helped in the diagnosis of tuberculous spondylitis
Topological Hysteresis in the Intermediate State of Type-I Superconductors
Magneto-optical imaging of thick stress-free lead samples reveals two
distinct topologies of the intermediate state. Flux tubes are formed upon
magnetic field penetration (closed topology) and laminar patterns appear upon
flux exit (open topology). Two-dimensional distributions of shielding currents
were obtained by applying an efficient inversion scheme. Quantitative analysis
of the magnetic induction distribution and correlation with magnetization
measurements indicate that observed topological differences between the two
phases are responsible for experimentally observable magnetic hysteresis.Comment: 4 pages, RevTex
Likelihood-ratio ranking of gravitational-wave candidates in a non-Gaussian background
We describe a general approach to detection of transient gravitational-wave
signals in the presence of non-Gaussian background noise. We prove that under
quite general conditions, the ratio of the likelihood of observed data to
contain a signal to the likelihood of it being a noise fluctuation provides
optimal ranking for the candidate events found in an experiment. The
likelihood-ratio ranking allows us to combine different kinds of data into a
single analysis. We apply the general framework to the problem of unifying the
results of independent experiments and the problem of accounting for
non-Gaussian artifacts in the searches for gravitational waves from compact
binary coalescence in LIGO data. We show analytically and confirm through
simulations that in both cases the likelihood ratio statistic results in an
improved analysis.Comment: 10 pages, 6 figure
Determination of Safety Indicators in the Developed Muffins with Non-traditional Raw Materials
The aim of research is studying the effect of unconventional raw materials (buckwheat, oatmeal, rye, corn, milk whey, skimmed milk powder, propolis, flower pollen, bean powder, sesame oil, pumpkin seed oil, walnut oil, walnut kernels, candied fruit mixes (apple-cherry fruits of bilberries, natural honey with floral pollen, natural honey with propolis) for the quality and safety of new muffins. The article analyzes the results of the study of the quality and safety indicators of muffins of improved composition, manufactured using non-traditional raw materials. For the preparation of new types of muffins, part of the wheat flour was replaced with buckwheat, corn, oat, milk whey, skimmed milk powder and additives of vegetable origin. Margarine has been replaced by vegetable oils. It has been established that flour confectionery products have high organoleptic properties. From the physico-chemical parameters, the mass fraction of total sugar was determined, which ranged from 28.17 % to 33.07 %, the mass fraction of fat – 16.2–20.66 %, the mass fraction of moisture – 18.0–22.0, mass fraction of ash – 0.03–1.3 %, alkalinity – 0.03–1.8°, the content of toxic elements (copper, zinc, lead, cadmium, arsenic, mercury) and microbiological indicators were also determined. Based on the data obtained as a research result, the expediency of using non-traditional raw materials to expand the range of flour confectionery products, in particular muffins is substantiated
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