78 FR 13050 - Combined Notice of Filings

Science.gov (United States)

2013-02-26

... be considered, but intervention is necessary to become a party to the proceeding. Filings in Existing Proceedings Docket Numbers: RP13-106-002. Applicants: Young Gas Storage Company, Ltd. Description: Young NAESB..., protests, and service can be found at: http://www.ferc.gov/docs-filing/efiling/filing-req.pdf . For other...

78 FR 64488 - Combined Notice of Filings #1

Science.gov (United States)

2013-10-29

... Numbers: ER13-585-000. Applicants: New England Power Pool Participants Committee, ISO New England Inc... Pool, Inc. Description: Removal of NERCs Administration of Reliability-Grid Management Tools to be... qualifying facilities filings can be found at: http://www.ferc.gov/docs-filing/efiling/filing-req.pdf . For...

76 FR 80921 - Combined Notice of Filings

Science.gov (United States)

2011-12-27

.... Comments Due: 5 p.m. ET 12/27/11. Docket Numbers: RP12-243-000. Applicants: Young Gas Storage Company, Ltd... considered, but intervention is necessary to become a party to the proceeding. The filings are accessible in... can be found at: http://www.ferc.gov/docs-filing/efiling/filing-req.pdf . For other information, call...

MSL: Facilitating automatic and physical analysis of published scientific literature in PDF format.

Science.gov (United States)

Ahmed, Zeeshan; Dandekar, Thomas

2015-01-01

Published scientific literature contains millions of figures, including information about the results obtained from different scientific experiments e.g. PCR-ELISA data, microarray analysis, gel electrophoresis, mass spectrometry data, DNA/RNA sequencing, diagnostic imaging (CT/MRI and ultrasound scans), and medicinal imaging like electroencephalography (EEG), magnetoencephalography (MEG), echocardiography  (ECG), positron-emission tomography (PET) images. The importance of biomedical figures has been widely recognized in scientific and medicine communities, as they play a vital role in providing major original data, experimental and computational results in concise form. One major challenge for implementing a system for scientific literature analysis is extracting and analyzing text and figures from published PDF files by physical and logical document analysis. Here we present a product line architecture based bioinformatics tool 'Mining Scientific Literature (MSL)', which supports the extraction of text and images by interpreting all kinds of published PDF files using advanced data mining and image processing techniques. It provides modules for the marginalization of extracted text based on different coordinates and keywords, visualization of extracted figures and extraction of embedded text from all kinds of biological and biomedical figures using applied Optimal Character Recognition (OCR). Moreover, for further analysis and usage, it generates the system's output in different formats including text, PDF, XML and images files. Hence, MSL is an easy to install and use analysis tool to interpret published scientific literature in PDF format.

Layout-aware text extraction from full-text PDF of scientific articles.

Science.gov (United States)

Ramakrishnan, Cartic; Patnia, Abhishek; Hovy, Eduard; Burns, Gully Apc

2012-05-28

The Portable Document Format (PDF) is the most commonly used file format for online scientific publications. The absence of effective means to extract text from these PDF files in a layout-aware manner presents a significant challenge for developers of biomedical text mining or biocuration informatics systems that use published literature as an information source. In this paper we introduce the 'Layout-Aware PDF Text Extraction' (LA-PDFText) system to facilitate accurate extraction of text from PDF files of research articles for use in text mining applications. Our paper describes the construction and performance of an open source system that extracts text blocks from PDF-formatted full-text research articles and classifies them into logical units based on rules that characterize specific sections. The LA-PDFText system focuses only on the textual content of the research articles and is meant as a baseline for further experiments into more advanced extraction methods that handle multi-modal content, such as images and graphs. The system works in a three-stage process: (1) Detecting contiguous text blocks using spatial layout processing to locate and identify blocks of contiguous text, (2) Classifying text blocks into rhetorical categories using a rule-based method and (3) Stitching classified text blocks together in the correct order resulting in the extraction of text from section-wise grouped blocks. We show that our system can identify text blocks and classify them into rhetorical categories with Precision1 = 0.96% Recall = 0.89% and F1 = 0.91%. We also present an evaluation of the accuracy of the block detection algorithm used in step 2. Additionally, we have compared the accuracy of the text extracted by LA-PDFText to the text from the Open Access subset of PubMed Central. We then compared this accuracy with that of the text extracted by the PDF2Text system, 2commonly used to extract text from PDF. Finally, we discuss preliminary error analysis for

Layout-aware text extraction from full-text PDF of scientific articles

Directory of Open Access Journals (Sweden)

Ramakrishnan Cartic

2012-05-01

Full Text Available Abstract Background The Portable Document Format (PDF is the most commonly used file format for online scientific publications. The absence of effective means to extract text from these PDF files in a layout-aware manner presents a significant challenge for developers of biomedical text mining or biocuration informatics systems that use published literature as an information source. In this paper we introduce the ‘Layout-Aware PDF Text Extraction’ (LA-PDFText system to facilitate accurate extraction of text from PDF files of research articles for use in text mining applications. Results Our paper describes the construction and performance of an open source system that extracts text blocks from PDF-formatted full-text research articles and classifies them into logical units based on rules that characterize specific sections. The LA-PDFText system focuses only on the textual content of the research articles and is meant as a baseline for further experiments into more advanced extraction methods that handle multi-modal content, such as images and graphs. The system works in a three-stage process: (1 Detecting contiguous text blocks using spatial layout processing to locate and identify blocks of contiguous text, (2 Classifying text blocks into rhetorical categories using a rule-based method and (3 Stitching classified text blocks together in the correct order resulting in the extraction of text from section-wise grouped blocks. We show that our system can identify text blocks and classify them into rhetorical categories with Precision1 = 0.96% Recall = 0.89% and F1 = 0.91%. We also present an evaluation of the accuracy of the block detection algorithm used in step 2. Additionally, we have compared the accuracy of the text extracted by LA-PDFText to the text from the Open Access subset of PubMed Central. We then compared this accuracy with that of the text extracted by the PDF2Text system, 2commonly used to extract text from PDF

Extra dimensions: 3d and time in pdf documentation

Energy Technology Data Exchange (ETDEWEB)

Graf, N A [Stanford Linear Accelerator Center, Menlo Park, CA, 94025 (United States)], E-mail: Norman.Graf@slac.stanford.edu

2008-07-15

High energy physics is replete with multi-dimensional information which is often poorly represented by the two dimensions of presentation slides and print media. Past efforts to disseminate such information to a wider audience have failed for a number of reasons, including a lack of standards which are easy to implement and have broad support. Adobe's Portable Document Format (PDF) has in recent years become the de facto standard for secure, dependable electronic information exchange. It has done so by creating an open format, providing support for multiple platforms and being reliable and extensible. By providing support for the ECMA standard Universal 3D (U3D) file format in its free Adobe Reader software, Adobe has made it easy to distribute and interact with 3D content. By providing support for scripting and animation, temporal data can also be easily distributed to a wide audience. In this talk, we present examples of HEP applications which take advantage of this functionality. We demonstrate how 3D detector elements can be documented, using either CAD drawings or other sources such as GEANT visualizations as input. Using this technique, higher dimensional data, such as LEGO plots or time-dependent information can be included in PDF files. In principle, a complete event display, with full interactivity, can be incorporated into a PDF file. This would allow the end user not only to customize the view and representation of the data, but to access the underlying data itself.

Extra dimensions: 3d and time in pdf documentation

International Nuclear Information System (INIS)

Graf, N A

2008-01-01

High energy physics is replete with multi-dimensional information which is often poorly represented by the two dimensions of presentation slides and print media. Past efforts to disseminate such information to a wider audience have failed for a number of reasons, including a lack of standards which are easy to implement and have broad support. Adobe's Portable Document Format (PDF) has in recent years become the de facto standard for secure, dependable electronic information exchange. It has done so by creating an open format, providing support for multiple platforms and being reliable and extensible. By providing support for the ECMA standard Universal 3D (U3D) file format in its free Adobe Reader software, Adobe has made it easy to distribute and interact with 3D content. By providing support for scripting and animation, temporal data can also be easily distributed to a wide audience. In this talk, we present examples of HEP applications which take advantage of this functionality. We demonstrate how 3D detector elements can be documented, using either CAD drawings or other sources such as GEANT visualizations as input. Using this technique, higher dimensional data, such as LEGO plots or time-dependent information can be included in PDF files. In principle, a complete event display, with full interactivity, can be incorporated into a PDF file. This would allow the end user not only to customize the view and representation of the data, but to access the underlying data itself

Unbinding Transition of Probes in Single-File Systems

Science.gov (United States)

Bénichou, Olivier; Démery, Vincent; Poncet, Alexis

2018-02-01

Single-file transport, arising in quasi-one-dimensional geometries where particles cannot pass each other, is characterized by the anomalous dynamics of a probe, notably its response to an external force. In these systems, the motion of several probes submitted to different external forces, although relevant to mixtures of charged and neutral or active and passive objects, remains unexplored. Here, we determine how several probes respond to external forces. We rely on a hydrodynamic description of the symmetric exclusion process to obtain exact analytical results at long times. We show that the probes can either move as a whole, or separate into two groups moving away from each other. In between the two regimes, they separate with a different dynamical exponent, as t1 /4. This unbinding transition also occurs in several continuous single-file systems and is expected to be observable.

Temperature increases on the external root surface during endodontic treatment using single file systems.

Science.gov (United States)

Özkocak, I; Taşkan, M M; Gökt Rk, H; Aytac, F; Karaarslan, E Şirin

2015-01-01

The aim of this study is to evaluate increases in temperature on the external root surface during endodontic treatment with different rotary systems. Fifty human mandibular incisors with a single root canal were selected. All root canals were instrumented using a size 20 Hedstrom file, and the canals were irrigated with 5% sodium hypochlorite solution. The samples were randomly divided into the following three groups of 15 teeth: Group 1: The OneShape Endodontic File no.: 25; Group 2: The Reciproc Endodontic File no.: 25; Group 3: The WaveOne Endodontic File no.: 25. During the preparation, the temperature changes were measured in the middle third of the roots using a noncontact infrared thermometer. The temperature data were transferred from the thermometer to the computer and were observed graphically. Statistical analysis was performed using the Kruskal-Wallis analysis of variance at a significance level of 0.05. The increases in temperature caused by the OneShape file system were lower than those of the other files (P file showed the highest temperature increases. However, there were no significant differences between the Reciproc and WaveOne files. The single file rotary systems used in this study may be recommended for clinical use.

Fulltext PDF

Indian Academy of Sciences (India)

ways to track turtles both through space and time. The comparison of ... as a single nesting population was reduced to a few hundred individuals in the 1970s. However .... turtles spent some part of the year in those coastal waters. However ..... The newsletters are available online in PDF format and a limited number of.

New Tools to Convert PDF Math Contents into Accessible e-Books Efficiently.

Science.gov (United States)

Suzuki, Masakazu; Terada, Yugo; Kanahori, Toshihiro; Yamaguchi, Katsuhito

2015-01-01

New features in our math-OCR software to convert PDF math contents into accessible e-books are shown. A method for recognizing PDF is thoroughly improved. In addition, contents in any selected area including math formulas in a PDF file can be cut and pasted into a document in various accessible formats, which is automatically recognized and converted into texts and accessible math formulas through this process. Combining it with our authoring tool for a technical document, one can easily produce accessible e-books in various formats such as DAISY, accessible EPUB3, DAISY-like HTML5, Microsoft Word with math objects and so on. Those contents are useful for various print-disabled students ranging from the blind to the dyslexic.

Quantitative evaluation of apically extruded debris with different single-file systems: Reciproc, F360 and OneShape versus Mtwo.

Science.gov (United States)

Bürklein, S; Benten, S; Schäfer, E

2014-05-01

To assess in a laboratory setting the amount of apically extruded debris associated with different single-file nickel-titanium instrumentation systems compared to one multiple-file rotary system. Eighty human mandibular central incisors were randomly assigned to four groups (n = 20 teeth per group). The root canals were instrumented according to the manufacturers' instructions using the reciprocating single-file system Reciproc, the single-file rotary systems F360 and OneShape and the multiple-file rotary Mtwo instruments. The apically extruded debris was collected and dried in pre-weighed glass vials. The amount of debris was assessed with a micro balance and statistically analysed using anova and post hoc Student-Newman-Keuls test. The time required to prepare the canals with the different instruments was also recorded. Reciproc produced significantly more debris compared to all other systems (P file rotary systems and the multiple-file rotary system (P > 0.05). Instrumentation with the three single-file systems was significantly faster than with Mtwo (P systems caused apical debris extrusion. Rotary instrumentation was associated with less debris extrusion compared to reciprocal instrumentation. © 2013 International Endodontic Journal. Published by John Wiley & Sons Ltd.

Shaping ability of 4 different single-file systems in simulated S-shaped canals.

Science.gov (United States)

Saleh, Abdulrahman Mohammed; Vakili Gilani, Pouyan; Tavanafar, Saeid; Schäfer, Edgar

2015-04-01

The aim of this study was to compare the shaping ability of 4 different single-file systems in simulated S-shaped canals. Sixty-four S-shaped canals in resin blocks were prepared to an apical size of 25 using Reciproc (VDW, Munich, Germany), WaveOne (Dentsply Maillefer, Ballaigues, Switzerland), OneShape (Micro Méga, Besançon, France), and F360 (Komet Brasseler, Lemgo, Germany) (n = 16 canals/group) systems. Composite images were made from the superimposition of pre- and postinstrumentation images. The amount of resin removed by each system was measured by using a digital template and image analysis software. Canal aberrations and the preparation time were also recorded. The data were statistically analyzed by using analysis of variance, Tukey, and chi-square tests. Canals prepared with the F360 and OneShape systems were better centered compared with the Reciproc and WaveOne systems. Reciproc and WaveOne files removed significantly greater amounts of resin from the inner side of both curvatures (P files was significantly faster compared with WaveOne and F360 files (P file instruments were safe to use and were able to prepare the canals efficiently. However, single-file systems that are less tapered seem to be more favorable when preparing S-shaped canals. Copyright © 2015 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

Modeling single-file diffusion with step fractional Brownian motion and a generalized fractional Langevin equation

International Nuclear Information System (INIS)

Lim, S C; Teo, L P

2009-01-01

Single-file diffusion behaves as normal diffusion at small time and as subdiffusion at large time. These properties can be described in terms of fractional Brownian motion with variable Hurst exponent or multifractional Brownian motion. We introduce a new stochastic process called Riemann–Liouville step fractional Brownian motion which can be regarded as a special case of multifractional Brownian motion with a step function type of Hurst exponent tailored for single-file diffusion. Such a step fractional Brownian motion can be obtained as a solution of the fractional Langevin equation with zero damping. Various kinds of fractional Langevin equations and their generalizations are then considered in order to decide whether their solutions provide the correct description of the long and short time behaviors of single-file diffusion. The cases where the dissipative memory kernel is a Dirac delta function, a power-law function and a combination of these functions are studied in detail. In addition to the case where the short time behavior of single-file diffusion behaves as normal diffusion, we also consider the possibility of a process that begins as ballistic motion

Photon-HDF5: An Open File Format for Timestamp-Based Single-Molecule Fluorescence Experiments

OpenAIRE

Ingargiola, Antonino; Laurence, Ted; Boutelle, Robert; Weiss, Shimon; Michalet, Xavier

2016-01-01

We introduce Photon-HDF5, an open and efficient file format to simplify exchange and long-term accessibility of data from single-molecule fluorescence experiments based on photon-counting detectors such as single-photon avalanche diode, photomultiplier tube, or arrays of such detectors. The format is based on HDF5, a widely used platform- and language-independent hierarchical file format for which user-friendly viewers are available. Photon-HDF5 can store raw photon data (timestamp, channel n...

Simulations of Spray Reacting Flows in a Single Element LDI Injector With and Without Invoking an Eulerian Scalar PDF Method

Science.gov (United States)

Shih, Tsan-Hsing; Liu, Nan-Suey

2012-01-01

This paper presents the numerical simulations of the Jet-A spray reacting flow in a single element lean direct injection (LDI) injector by using the National Combustion Code (NCC) with and without invoking the Eulerian scalar probability density function (PDF) method. The flow field is calculated by using the Reynolds averaged Navier-Stokes equations (RANS and URANS) with nonlinear turbulence models, and when the scalar PDF method is invoked, the energy and compositions or species mass fractions are calculated by solving the equation of an ensemble averaged density-weighted fine-grained probability density function that is referred to here as the averaged probability density function (APDF). A nonlinear model for closing the convection term of the scalar APDF equation is used in the presented simulations and will be briefly described. Detailed comparisons between the results and available experimental data are carried out. Some positive findings of invoking the Eulerian scalar PDF method in both improving the simulation quality and reducing the computing cost are observed.

PDF4LHC recommendations for LHC Run II

CERN Document Server

Butterworth, Jon; Cooper-Sarkar, Amanda; De Roeck, Albert; Feltesse, Joel; Forte, Stefano; Gao, Jun; Glazov, Sasha; Huston, Joey; Kassabov, Zahari; McNulty, Ronan; Morsch, Andreas; Nadolsky, Pavel; Radescu, Voica; Rojo, Juan; Thorne, Robert

2016-01-01

We provide an updated recommendation for the usage of sets of parton distribution functions (PDFs) and the assessment of PDF and PDF+$\\alpha_s$ uncertainties suitable for applications at the LHC Run II. We review developments since the previous PDF4LHC recommendation, and discuss and compare the new generation of PDFs, which include substantial information from experimental data from the Run I of the LHC. We then propose a new prescription for the combination of a suitable subset of the available PDF sets, which is presented in terms of a single combined PDF set. We finally discuss tools which allow for the delivery of this combined set in terms of optimized sets of Hessian eigenvectors or Monte Carlo replicas, and their usage, and provide some examples of their application to LHC phenomenology.

Apically extruded debris with reciprocating single-file and full-sequence rotary instrumentation systems.

Science.gov (United States)

Bürklein, Sebastian; Schäfer, Edgar

2012-06-01

The purpose of this in vitro study was to assess the amount of apically extruded debris using rotary and reciprocating nickel-titanium instrumentation systems. Eighty human mandibular central incisors were randomly assigned to 4 groups (n = 20 teeth per group). The root canals were instrumented according to the manufacturers' instructions using the 2 reciprocating single-file systems Reciproc (VDW, Munich, Germany) and WaveOne (Dentsply Maillefer, Ballaigues, Switzerland) and the 2 full-sequence rotary Mtwo (VDW, Munich, Germany) and ProTaper (Dentsply Maillefer, Ballaigues, Switzerland) instruments. Bidistilled water was used as irrigant. The apically extruded debris was collected in preweighted glass vials using the Myers and Montgomery method. After drying, the mean weight of debris was assessed with a microbalance and statistically analyzed using analysis of variance and the post hoc Student-Newman-Keuls test. The time required to prepare the canals with the different instruments was also recorded. The reciprocating files produced significantly more debris compared with both rotary systems (P rotary instruments (P > .05), the reciprocating single-file system Reciproc produced significantly more debris compared with all other instruments (P Instrumentation was significantly faster using Reciproc than with all other instrument (P rotary instrumentation was associated with less debris extrusion compared with the use of reciprocating single-file systems. Copyright © 2012 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

PDF Lecture Materials for Online and ``Flipped'' Format Astronomy Courses

Science.gov (United States)

Kary, D. M.; Eisberg, J.

2013-04-01

Online astronomy courses typically rely on students reading the textbook and/or a set of text-based lecture notes to replace the “lecture” material. However, many of our students report that this is much less engaging than in-person lectures, especially given the amount of interactive work such as “think-pair-share” problems done in many astronomy classes. Students have similarly criticized direct lecture-capture. To address this, we have developed a set of PowerPoint-style presentations with embedded lecture audio combined with prompts for student interaction including think-pair-share questions. These are formatted PDF packages that can be used on a range of different computers using free software. The presentations are first developed using Microsoft PowerPoint software. Audio recordings of scripted lectures are then synchronized with the presentations and the entire package is converted to PDF using Adobe Presenter. This approach combines the ease of editing that PowerPoint provides along with the platform-independence of PDF. It's easy to add, remove, or edit individual slides as needed, and PowerPoint supports internal links so that think-pair-share questions can be inserted with links to feedback based on the answers selected. Modern PDF files support animated visuals with synchronized audio and they can be read using widely available free software. Using these files students in an online course can get many of the benefits of seeing and hearing the course material presented in an in-person lecture format. Students needing extra help in traditional lecture classes can use these presentations to help review the materials covered in lecture. Finally, the presentations can be used in a “flipped” format in which students work through the presentations outside of class time while spending the “lecture” time on in-class interaction.

Photon-HDF5: An Open File Format for Timestamp-Based Single-Molecule Fluorescence Experiments.

Science.gov (United States)

Ingargiola, Antonino; Laurence, Ted; Boutelle, Robert; Weiss, Shimon; Michalet, Xavier

2016-01-05

We introduce Photon-HDF5, an open and efficient file format to simplify exchange and long-term accessibility of data from single-molecule fluorescence experiments based on photon-counting detectors such as single-photon avalanche diode, photomultiplier tube, or arrays of such detectors. The format is based on HDF5, a widely used platform- and language-independent hierarchical file format for which user-friendly viewers are available. Photon-HDF5 can store raw photon data (timestamp, channel number, etc.) from any acquisition hardware, but also setup and sample description, information on provenance, authorship and other metadata, and is flexible enough to include any kind of custom data. The format specifications are hosted on a public website, which is open to contributions by the biophysics community. As an initial resource, the website provides code examples to read Photon-HDF5 files in several programming languages and a reference Python library (phconvert), to create new Photon-HDF5 files and convert several existing file formats into Photon-HDF5. To encourage adoption by the academic and commercial communities, all software is released under the MIT open source license. Copyright © 2016 Biophysical Society. Published by Elsevier Inc. All rights reserved.

Comparative evaluation of effect of rotary and reciprocating single-file systems on pericervical dentin: A cone-beam computed tomography study.

Science.gov (United States)

Zinge, Priyanka Ramdas; Patil, Jayaprakash

2017-01-01

The aim of this study is to evaluate and compare the effect of one shape, Neolix rotary single-file systems and WaveOne, Reciproc reciprocating single-file systems on pericervical dentin (PCD) using cone-beam computed tomography (CBCT). A total of 40 freshly extracted mandibular premolars were collected and divided into two groups, namely, Group A - Rotary: A 1 - Neolix and A 2 - OneShape and Group B - Reciprocating: B 1 - WaveOne and B 2 - Reciproc. Preoperative scans of each were taken followed by conventional access cavity preparation and working length determination with 10-k file. Instrumentation of the canal was done according to the respective file system, and postinstrumentation CBCT scans of teeth were obtained. 90 μm thick slices were obtained 4 mm apical and coronal to the cementoenamel junction. The PCD thickness was calculated as the shortest distance from the canal outline to the closest adjacent root surface, which was measured in four surfaces, i.e., facial, lingual, mesial, and distal for all the groups in the two obtained scans. There was no significant difference found between rotary single-file systems and reciprocating single-file systems in their effect on PCD, but in Group B 2 , there was most significant loss of tooth structure in the mesial, lingual, and distal surface ( P file system removes more PCD as compared to other experimental groups, whereas Neolix single file system had the least effect on PCD.

Testing the Forensic Interestingness of Image Files Based on Size and Type

Science.gov (United States)

2017-09-01

down to 0.18% (Rowe, 2015). 7 III. IMAGE FILE FORMATS When scanning a computer hard drive, many kinds of pictures are found. Digital images are not...3  III.  IMAGE FILE FORMATS ...Interchange Format JPEG Joint Photographic Experts Group LSH Locality Sensitive Hashing NSRL National Software Reference Library PDF Portable Document

Assessment of apically extruded debris produced by the single-file ProTaper F2 technique under reciprocating movement.

Science.gov (United States)

De-Deus, Gustavo; Brandão, Maria Claudia; Barino, Bianca; Di Giorgi, Karina; Fidel, Rivail Antonio Sergio; Luna, Aderval Severino

2010-09-01

This study was designed to quantitatively evaluate the amount of dentin debris extruded from the apical foramen by comparing the conventional sequence of the ProTaper Universal nickel-titanium (NiTi) files with the single-file ProTaper F2 technique. Thirty mesial roots of lower molars were selected, and the use of different instrumentation techniques resulted in 3 groups (n=10 each). In G1, a crown-down hand-file technique was used, and in G2 conventional ProTaper Universal technique was used. In G3, ProTaper F2 file was used in a reciprocating motion. The apical finish preparation was equivalent to ISO size 25. An apparatus was used to evaluate the apically extruded debris. Statistical analysis was performed using 1-way analysis of variance and Tukey multiple comparisons. No significant difference was found in the amount of the debris extruded between the conventional sequence of the ProTaper Universal NiTi files and the single-file ProTaper F2 technique (P>.05). In contrast, the hand instrumentation group extruded significantly more debris than both NiTi groups (P<.05). The present results yielded favorable input for the F2 single-file technique in terms of apically extruded debris, inasmuch as it is the most simple and cost-effective instrumentation approach. Copyright (c) 2010 Mosby, Inc. All rights reserved.

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...

THE PREVALENCE OF SIDE-EFFECTS: CIPROFLOXACIN 500 MG SINGLE DOSE PRO-. PHYLAXIS AGAINST .... Provincial and Local Health Authorities, World Health. Organisation .... Leucopoenia, eosinophilia and mild elevations in se-.

Storage of sparse files using parallel log-structured file system

Science.gov (United States)

Bent, John M.; Faibish, Sorin; Grider, Gary; Torres, Aaron

2017-11-07

A sparse file is stored without holes by storing a data portion of the sparse file using a parallel log-structured file system; and generating an index entry for the data portion, the index entry comprising a logical offset, physical offset and length of the data portion. The holes can be restored to the sparse file upon a reading of the sparse file. The data portion can be stored at a logical end of the sparse file. Additional storage efficiency can optionally be achieved by (i) detecting a write pattern for a plurality of the data portions and generating a single patterned index entry for the plurality of the patterned data portions; and/or (ii) storing the patterned index entries for a plurality of the sparse files in a single directory, wherein each entry in the single directory comprises an identifier of a corresponding sparse file.

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daddy

to improve emergency outcomes in different parts of the world. A model to .... worldwide as part of quality assurance ... management principle, replaces Single ... management of emergency services. .... Separation allows for effective audit and.

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Prof Ezechukwu

Tetanus is a vaccine preventable but non-contagious ... tetanospasmin, which is produced by the organism ... Malaria is endemic and severe in these ... penicillin given intramuscularly as a single daily dose. .... Crusade against malaria.

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Centre for the Study of Resilience and Department of Educational Psychology, Faculty of ... Single case studies are prolific in South African education research. ...... 59th year book on teacher education. Japan: ... MA: Harvard University Press.

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emphasised the need to bridge gender inequalities and empower ..... A single composite variable was computed using .... expand in scope to include over-age out of school children ... advantages and disadvantages of home birthing revealed ...

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IKENNA

Women's Rights in Matrimonial Jurisprudence under Islamic Family. Law in Nigeria: A Need ... unity, endurance, permanence, freedom, dialogue, and the like. All the .... The suras state: And marry those among you who are single, and those.

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Cultivation of saprophytic edible mushrooms may be the only currently economical ... unlike many other supplements such as single cell protein algae, have been .... the micro minerals contained in three species of mushroom, the quantities of ...

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abp

2013-02-27

Feb 27, 2013 ... females (52.4% single, 47.6% married). All (100%) ... but more male bankers practice contraception whereas more female bankers perceive contraceptives to be for the married only. .... urban working women in Karachi. 1986 ...

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The high level of intimate partner violence (IPV) against women in many population groups in .... single most important root crop grown in the study. ..... income generating women are assumed to enjoy better freedom of movement, and hence, ...

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HP27975994114

15 In a South African constitutional context, freedom of religion, therefore, ... discussed: the status of women in Islam, Islamic law on marriage and divorce ..... application of the ahsan talaaq takes place when the husband “pronounces a single.

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In their representations of women's lives in Egypt and Algeria, respectively, .... of honour, the veil, polygamy, repudiation, wife-beating, lack of freedom, and the ..... the single visible minaret, “the tall solitary minaret that could be seen between.

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mainly on the midline (Figure1). Figure1: ... He wanted treatment to improve his facial (cosmetic) appearance. A 36 year old single ... For a diagnosis of multiple familial trichoepithelioma to be made in patients presenting with multiple facial ...

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2013-10-28

Oct 28, 2013 ... Women are mostly involved in the tedious farm activities in soybean ... The results of this study provide a strong advocacy for more .... single; and 2.5% were widowed and separated ... lucrative business in the study area.

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2011-11-09

Nov 9, 2011 ... By this technique, 100% homozygosity can be achieved in a single ... Melon is an important vegetable crop in Turkey and the production ranks ... micro-cutting were treated with colchicine (0.5 %) for doubling of chromosome ...

Performing the processing required for automatically get a PDF/A version of the CERN Library documentation

CERN Document Server

Molina Garcia-Retamero, Antonio

2015-01-01

The aim of the project was to perform the processing required for automatically get a PDF/A version of the CERN Library documentation. For this, it is necessary to extract as much metadata as possible from the sources files, inject the required data into the original source files creating new ones ready for being compiled with all related dependencies. Besides, I’ve proposed the creation of a HTML version consistent with the PDF and navigable for easy access, I’ve been trying to perform some Natural Language Processing for extracting metadata, I’ve proposed the injection of the cern library documentation into the HTML version of the long writeups where it is referenced (for instance, when a CERN Library function is referenced in a sample code) Finally, I’ve designed and implemented a Graphical User Interface in order to simplify the process for the user.

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African Journals Online (AJOL)

use

2011-12-14

Dec 14, 2011 ... erythrocytes were obtained as outdate red cell concentrates from the Center of Blood ... The heat stability of CGL was determined as described (Lima et al.,. 2005). ..... membrane of a single living sperm cell in maize. Sex Plant ...

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Key words:Upgraded Technology, Women Processors, Shea Butter Processing. Correspondence ... Nongressmassom, with some initial encouraging results. The most .... status was measured as single, married and widow. ... processing business is a serious business that cannot just be easily entered into by teenagers.

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It can be considered from a geometric point of view as a single particle. ... The reactions of dioxouranium(VI) salts with DABAAPT gave complexes of the general .... Coordination of sulphur with the metal ion would result in the displacement of.

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Peters

caused after a single topical application of a test substance on the ..... sugar molecules are either soluble or partially dissolve in water but are ..... medicine: Concepts and clinical practice. 7th ed. Philadelphia .... of dosage form design. 2nd edn.

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Administrator

Structural borrowing: The case of Kenyan Sign Language (KSL) and Kiswahili .... Akach (1997) under score the importance of schools when they assert: “the single ... language on the grounds that it has signs from other sign languages. This of ...

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Buchi

single women, being faithful to one partner or correct and consistent use of ... towards early initiation of sex, high sexual activity and. 3-5 ... school as well as the basic studies level in the .... highlights critical issues in the continuing debate on.

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andrew

neck of the radius by dividing into ulnar and radial arter- ies (1). Variations .... B: Proximal third arm bifurcation of the BrA (single red circle), HH is the head of the humerus while .... artery: embryology, case report and clinical significance in.

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chromosome in a single experiment. Cryptic rearrangements and marker chromosomes are easily detected. All these DNA can be visualized in chromosomal preparations. WCP has helped in identifying chromosomal rearrangement not easily detectable in cases with less that optimum quality ofmetaphase or those in.

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spamer

and split on the trailing edge was counted as a single band. If visible only as a dark ... The spine base diameter of free-swimming early juveniles, with a yolk sac scar ..... During that time, all the fish showed negative growth. When viewed under ...

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Library _info_Sc_ 1

Fine Art does not have an agreement on a single definition of good interactivity, ... Conceptual art is likely seen as an aspect of modern art in which ideas are paramount and the form that .... wonder all you want as to what the central shape.

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with the general population. In the same vein, a world collaborative report on in vitro fertilization recorded a multiple birth rate of 29%, the majority of. 5 ... Conclusion: With the desire for twins and high poverty level in Nigeria, a policy of single ...

GABUNGAN ALGORITMA VERNAM CHIPER DAN END OF FILE UNTUK KEAMANAN DATA

Directory of Open Access Journals (Sweden)

Christy Atika Sari

2014-10-01

Full Text Available Adanya kesamaan fungsi pada  metode Kriptografi dan Steganografi untuk mengamankan data, maka makalah ini menggunakan algoritma Vernam Cipher sebagai salah satu algoritma yang popular pada Kriptografi dan End Of File (EOF pada metode Steganografi. Vernam Cipher mempunyai kemampuan untuk menyembunyikan data karena proses enkripsi dan dekripsi menggunakan sebuah kunci yang sama. Kunci ini berasal dari perhitungan XOR anatar bit plainteks dengan bit kunci. Sedangkan EOF dikenal sebagai pengembangan dari metode Least Significant Bit (LSB. EOF dapat digunakan untuk menyisipkan data yang ukurannya sesuai dengan kebutuhan. Pada penelitian ini digunakan file asli berformat .mp3 dan file spoofing berformat .pdf. file hasil stegano berhasil di ekstraksi menjadi file asli dan file spoofing. Ukuran file yang telah melalui proses penyisipan sama dengan ukuran file sebelum disisipkan data ditambah dengan ukuran data yang disisipkan ke dalam file tersebut. Kata Kunci: Vernam Chiper, End Of File, Kriptografi, Steganografi.

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User

2015-11-27

Nov 27, 2015 ... ⃰Correspondence: ysfmawash@yahoo.co.uk, +2348069569929 ... Children whose fathers educational were up to tertiary level had higher antibody prevalence than those with either primary or secondary .... group and gender profiles in the State. ... was found amongst the children who had taken a single.

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Daniel

2016-08-06

Aug 6, 2016 ... and animal growth, and prevent, control and treat diseases. Chinese ... complex diseases, and relieve or eliminate unfavourable effects of a single CHM caused by toxic or extremely ...... such as the hypothalamus, pituitary gland and adrenal gland, constitute the hypothalamic-pituitary-adrenal axis (HPA ...

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No surprise then that the trend is one of increasing numbers of authors on manuscripts. ... [4] Factors such as power relations (gender, race and sexual ... on Publication Ethics (COPE), which have all published comprehensive guidelines. ... education journals revealed that none of the original articles was a single- authored ...

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2016-06-25

Jun 25, 2016 ... connate water starts to vaporize near the well walls. This change in .... wells will be investigated through a single well radial model simulation. ..... (2001) “Late Lessons from Early Warnings: the Precautionary Principle 1896–2000,” ... AWWA Manual M50, American Water Works Association, Denver, CO.

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2015-01-15

Jan 15, 2015 ... the legitimacy of the denialism; and the praise singers, media people who broadcast the false messages to the public. Science and evidence-based medicine have fought back by their evidence and political credibility. However, this is not a single battle. It requires ongoing vigilance. J P van Niekerk.

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Admin

Random Amplified Polymorphic DNAs (RAPDs) is a DNA polymorphism assay based on the amplification of random DNA segments with single primers of arbitrary nucleotide sequence. Despite the fact that the RAPD technique has become a very powerful tool and has found use in numerous applications, yet, the nature of ...

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USER

develop immunity after a single infection (Tzipori, 1985;. Radostits et al., 1994). Although animals with strong immune system are not so vulnerable to an attack of the disease, the life of immune-deficient hosts is seriously threatened (Current,. 1997). Incidentally, cryptosporidiosis is a zoonosis and capable of causing severe ...

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ETIWISTIC

2013-05-06

May 6, 2013 ... school-type (i.e., single sex visa vis co-educational) and school category (i.e., whether a ... resources capable of pushing its growth agenda of becoming a middle level ... the other hand are still responsible for uniforms, lunches in day schools and .... scientific research (Mugenda and Mugenda, 1999).

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2018-02-01

Feb 1, 2018 ... [6], simulation of a dual-axis solar tracker for improving the performance of a photovoltaic panel [7], a .... flow of current. ... [5] Chin CS, Babu A, McBride W. Design, modeling and testing of a standalone single axis ... Bachelor thesis, ... Development of hybrid drone (HyDro) for surveillance application.

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SAM

Pangalo with sericeous ovaries, and C. melo ssp. melo with pilose ones. At present, the most adopted classification of melon is that of Munger and Robinson. (1991) who divided the species into a single wild variety,. C. melo var. agrestis Naud., and six cultivated ones: var. cantalupensis Naud. also including former var.

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Mr Olusoji

Maternal and fetal case-fatality rates were 16.6% and 31.6% respectively. Conclusion: ... Prevention of. HIV infection and consistent health service delivery are advocated to reduce this scourge. ... HIV/AIDS as the leading cause of death due to a single infectious .... test to differentiate latent from active disease. The Xpert ...

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abp

2017-11-02

Nov 2, 2017 ... Being married, educated, HIV-negative, new treatment ... work is properly cited. Pan African ... important single predictor of TB incidence across the African continent ..... substantially improve TB patients' satisfaction which is highly ..... Female. 129. 33.5. Age groups. 18-27. 175. 45.5. 32.592. 6. 0.004. 28-37.

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Dr Obe

the TF machine can develop a reluctance torque while operating alone. Torque can only be developed when they are mechanically coupled together. The operation of the machine resembles that of two coupled single-phase reluctance motors acting in time quadrature. The auxiliary windings provide a loop in which the (2s ...

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The information from this table is then used to com- pute the student's grade either for a single semester results (Grade point Average) or cumulatively (Cu- mulative Grade Point Average, CGPA). The CGPA of 1.00 at the end of every academic session is required for a student to continue with his programme. Below CGPA of ...

A Comparative Study of PDF Generation Methods: Measuring Loss of Fidelity When Converting Arabic and Persian MS Word Files to PDF

Science.gov (United States)

2011-02-17

document objects, on one or more electronic document pages. These commands have their roots in typography , so, to understand the PDF Language, one...must have at least a rudimentary understanding of typography . Only a few of the typographic commands, called text showing operators, can hold strings

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pc

2017-11-24

Nov 24, 2017 ... Male. Female. 78. 39. 67. 33. Race. Malay. Chinese. Iban. Bidayuh. 72. 7. 29. 9. 61.5. 6.0. 24.8. 7.7. Marital Status. Single. Married. 19. 92. 16.2. 78.6. Household Size. Less than 3. 4-6. More than 7. 26. 79. 12. 22.2. 67.5. 10.3. Education. No education. Primary school secondary school. Higher education. 46.

Effect of coronal flaring on apical extrusion of debris during root canal instrumentation using single-file systems.

Science.gov (United States)

Topçuoğlu, H S; Üstün, Y; Akpek, F; Aktı, A; Topçuoğlu, G

2016-09-01

To evaluate the effect of coronal flaring on the amount of debris extruded apically during root canal preparation using the Reciproc, WaveOne (WO) and OneShape (OS) single-file systems. Ninety extracted single-rooted mandibular incisor teeth were randomly assigned to six groups (n = 15 for each group) for canal instrumentation. Endodontic access cavities were prepared in each tooth. In three of the six groups, coronal flaring was not performed; coronal flaring was performed with Gates-Glidden drills on all teeth in the remaining three groups. The canals were then instrumented with one or other of the following single-file instrument systems: Reciproc, WO and OS. Debris extruded apically during instrumentation was collected into pre-weighed Eppendorf tubes. The tubes were then stored in an incubator at 70 °C for 5 days. The weight of the dry extruded debris was established by subtracting the pre-instrumentation and post-instrumentation weight of the Eppendorf tubes for each group. Data were analysed using one-way analysis of variance (anova) and Tukey's post hoc tests (P = 0.05). Reciproc and WO files without coronal flaring produced significantly more debris compared with the other groups (P  0.05). All single-file systems caused apical extrusion of debris. Performing coronal flaring prior to canal preparation reduced the amount of apically extruded debris when using Reciproc or WO systems. © 2015 International Endodontic Journal. Published by John Wiley & Sons Ltd.

Small file aggregation in a parallel computing system

Science.gov (United States)

Faibish, Sorin; Bent, John M.; Tzelnic, Percy; Grider, Gary; Zhang, Jingwang

2014-09-02

Techniques are provided for small file aggregation in a parallel computing system. An exemplary method for storing a plurality of files generated by a plurality of processes in a parallel computing system comprises aggregating the plurality of files into a single aggregated file; and generating metadata for the single aggregated file. The metadata comprises an offset and a length of each of the plurality of files in the single aggregated file. The metadata can be used to unpack one or more of the files from the single aggregated file.

78 FR 45588 - Self-Regulatory Organizations; Miami International Securities Exchange LLC; Notice of Filing and...

Science.gov (United States)

2013-07-29

... Effectiveness of a Proposed Rule Change to Delay the Operative Date of a Recent Change to Exchange Rule 514 July... filing a proposal to delay the operative date of a recent change to Rule 514. There are no proposed..._RC_2013_31.pdf . The purpose of this rule filing is to delay the operative date of the change to Rule...

Fulltext PDF

Indian Academy of Sciences (India)

indices generated from single crystal X-ray data, gave the following cell: a ... on a Siemens Smart-CCD diffractometer equipped with a normal focus, 2⋅4 kW ..... The final calcined product at 850°C is dense Fe(PO3)2 [JCPDS file card no.

Technological advances in endodontics: treatment of a mandibular molar with internal root resorption using a reciprocating single-file system.

Science.gov (United States)

de Souza, Samir Noronha; Marques, André Augusto Franco; Sponchiado-Júnior, EmÍlio Carlos; Roberti Garcia, Lucas da Fonseca; da Frota, Matheus Franco; de Carvalho, Fredson Márcio Acris

2017-01-01

The field of endodontics has become increasingly successful due to technological advances that allow clinicians to solve clinical cases that would have been problematic a few years ago. Despite such advances, endodontic treatment of teeth with internal root resorption remains challenging. This article presents a clinical case in which a reciprocating single-file system was used for endodontic treatment of a mandibular molar with internal root resorption. Radiographic examination revealed the presence of internal root resorption in the distobuccal root canal of the mandibular right first molar. A reciprocating single-file system was used for root canal instrumentation and final preparation, and filling was obtained through a thermal compaction technique. No painful symptoms or periapical lesions were observed in 12 months of follow-up. The results indicate that a reciprocating single-file system is an adequate alternative for root canal instrumentation, particularly in teeth with internal root resorption.

78 FR 17233 - Notice of Opportunity To File Amicus Briefs

Science.gov (United States)

2013-03-20

.... See Bohac v. Department of Agriculture, 239 F.3d 1334, 1337-43 (Fed. Cir. 2001). However, under.... Any commonly-used word processing format or PDF format is acceptable; text formats are preferable to image formats. Briefs may also be filed with the Office of the Clerk of the Board, Merit Systems...

Comparative Analysis of Canal Centering Ability of Different Single File Systems Using Cone Beam Computed Tomography- An In-Vitro Study.

Science.gov (United States)

Agarwal, Rolly S; Agarwal, Jatin; Jain, Pradeep; Chandra, Anil

2015-05-01

The ability of an endodontic instrument to remain centered in the root canal system is one of the most important characteristic influencing the clinical performance of a particular file system. Thus, it is important to assess the canal centering ability of newly introduced single file systems before they can be considered a viable replacement of full-sequence rotary file systems. The aim of the study was to compare the canal transportation, centering ability, and time taken for preparation of curved root canals after instrumentation with single file systems One Shape and Wave One, using cone-beam computed tomography (CBCT). Sixty mesiobuccal canals of mandibular molars with an angle of curvature ranging from 20(o) to 35(o) were divided into three groups of 20 samples each: ProTaper PT (group I) - full-sequence rotary control group, OneShape OS (group II)- single file continuous rotation, WaveOne WO - single file reciprocal motion (group III). Pre instrumentation and post instrumentation three-dimensional CBCT images were obtained from root cross-sections at 3mm, 6mm and 9mm from the apex. Scanned images were then accessed to determine canal transportation and centering ability. The data collected were evaluated using one-way analysis of variance (ANOVA) with Tukey's honestly significant difference test. It was observed that there were no differences in the magnitude of transportation between the rotary instruments (p >0.05) at both 3mm as well as 6mm from the apex. At 9 mm from the apex, Group I PT showed significantly higher mean canal transportation and lower centering ability (0.19±0.08 and 0.39±0.16), as compared to Group II OS (0.12±0.07 and 0.54±0.24) and Group III WO (0.13±0.06 and 0.55±0.18) while the differences between OS and WO were not statistically significant. It was concluded that there was minor difference between the tested groups. Single file systems demonstrated average canal transportation and centering ability comparable to full sequence

Comparative Analysis of Canal Centering Ability of Different Single File Systems Using Cone Beam Computed Tomography- An In-Vitro Study

Science.gov (United States)

Agarwal, Jatin; Jain, Pradeep; Chandra, Anil

2015-01-01

Background The ability of an endodontic instrument to remain centered in the root canal system is one of the most important characteristic influencing the clinical performance of a particular file system. Thus, it is important to assess the canal centering ability of newly introduced single file systems before they can be considered a viable replacement of full-sequence rotary file systems. Aim The aim of the study was to compare the canal transportation, centering ability, and time taken for preparation of curved root canals after instrumentation with single file systems One Shape and Wave One, using cone-beam computed tomography (CBCT). Materials and Methods Sixty mesiobuccal canals of mandibular molars with an angle of curvature ranging from 20o to 35o were divided into three groups of 20 samples each: ProTaper PT (group I) – full-sequence rotary control group, OneShape OS (group II)- single file continuous rotation, WaveOne WO – single file reciprocal motion (group III). Pre instrumentation and post instrumentation three-dimensional CBCT images were obtained from root cross-sections at 3mm, 6mm and 9mm from the apex. Scanned images were then accessed to determine canal transportation and centering ability. The data collected were evaluated using one-way analysis of variance (ANOVA) with Tukey’s honestly significant difference test. Results It was observed that there were no differences in the magnitude of transportation between the rotary instruments (p >0.05) at both 3mm as well as 6mm from the apex. At 9 mm from the apex, Group I PT showed significantly higher mean canal transportation and lower centering ability (0.19±0.08 and 0.39±0.16), as compared to Group II OS (0.12±0.07 and 0.54±0.24) and Group III WO (0.13±0.06 and 0.55±0.18) while the differences between OS and WO were not statistically significant Conclusion It was concluded that there was minor difference between the tested groups. Single file systems demonstrated average canal

Evaluation of apical extrusion of debris and irrigant using two new reciprocating and one continuous rotation single file systems.

Science.gov (United States)

Nayak, Gurudutt; Singh, Inderpreet; Shetty, Shashit; Dahiya, Surya

2014-05-01

Apical extrusion of debris and irrigants during cleaning and shaping of the root canal is one of the main causes of periapical inflammation and postoperative flare-ups. The purpose of this study was to quantitatively measure the amount of debris and irrigants extruded apically in single rooted canals using two reciprocating and one rotary single file nickel-titanium instrumentation systems. Sixty human mandibular premolars, randomly assigned to three groups (n = 20) were instrumented using two reciprocating (Reciproc and Wave One) and one rotary (One Shape) single-file nickel-titanium systems. Bidistilled water was used as irrigant with traditional needle irrigation delivery system. Eppendorf tubes were used as test apparatus for collection of debris and irrigant. The volume of extruded irrigant was collected and quantified via 0.1-mL increment measure supplied on the disposable plastic insulin syringe. The liquid inside the tubes was dried and the mean weight of debris was assessed using an electronic microbalance. The data were statistically analysed using Kruskal-Wallis nonparametric test and Mann Whitney U test with Bonferroni adjustment. P-values less than 0.05 were considered significant. The Reciproc file system produced significantly more debris compared with OneShape file system (P0.05). Extrusion of irrigant was statistically insignificant irrespective of the instrument or instrumentation technique used (P >0.05). Although all systems caused apical extrusion of debris and irrigant, continuous rotary instrumentation was associated with less extrusion as compared with the use of reciprocating file systems.

Endodontic treatment of mandibular molar with root dilaceration using Reciproc single-file system.

Science.gov (United States)

Meireles, Daniely Amorin; Bastos, Mariana Mena Barreto; Marques, André Augusto Franco; Garcia, Lucas da Fonseca Roberti; Sponchiado, Emílio Carlos

2013-08-01

Biomechanical preparation of root canals with accentuated curvature is challenging. New rotatory systems, such as Reciproc, require a shorter period of time to prepare curved canals, and became a viable alternative for endodontic treatment of teeth with root dilaceration. Thus, this study aimed to report a clinical case of endodontic therapy of root with accentuated dilaceration using Reciproc single-file system. Mandibular right second molar was diagnosed as asymptomatic irreversible pulpitis. Pulp chamber access was performed, and glide path was created with #10 K-file (Dentsply Maillefer) and PathFile #13, #16 and #19 (Dentsply Maillefer) up to the temporary working length. The working length measured corresponded to 20 mm in the mesio-buccal and mesio-lingual canals, and 22 mm in the distal canal. The R25 file (VDW GmbH) was used in all the canals for instrumentation and final preparation, followed by filling with Reciproc gutta-percha cones (VDW GmbH) and AH Plus sealer (Dentsply Maillefer), using thermal compaction technique. The case has been receiving follow-up for 6 mon and no painful symptomatology or periapical lesions have been found. Despite the difficulties, the treatment could be performed in a shorter period of time than the conventional methods.

Endodontic treatment of mandibular molar with root dilaceration using Reciproc single-file system

Directory of Open Access Journals (Sweden)

Daniely Amorin Meireles

2013-08-01

Full Text Available Biomechanical preparation of root canals with accentuated curvature is challenging. New rotatory systems, such as Reciproc, require a shorter period of time to prepare curved canals, and became a viable alternative for endodontic treatment of teeth with root dilaceration. Thus, this study aimed to report a clinical case of endodontic therapy of root with accentuated dilaceration using Reciproc single-file system. Mandibular right second molar was diagnosed as asymptomatic irreversible pulpitis. Pulp chamber access was performed, and glide path was created with #10 K-file (Dentsply Maillefer and PathFile #13, #16 and #19 (Dentsply Maillefer up to the temporary working length. The working length measured corresponded to 20 mm in the mesio-buccal and mesio-lingual canals, and 22 mm in the distal canal. The R25 file (VDW GmbH was used in all the canals for instrumentation and final preparation, followed by filling with Reciproc gutta-percha cones (VDW GmbH and AH Plus sealer (Dentsply Maillefer, using thermal compaction technique. The case has been receiving follow-up for 6 mon and no painful symptomatology or periapical lesions have been found. Despite the difficulties, the treatment could be performed in a shorter period of time than the conventional methods.

Comments on the present state and future directions of PDF methods

Science.gov (United States)

Obrien, E. E.

1992-01-01

The one point probability density function (PDF) method is examined in light of its use in actual engineering problems. The PDF method, although relatively complicated, appears to be the only format available to handle the nonlinear stochastic difficulties caused by typical reaction kinetics. Turbulence modeling, if it is to play a central role in combustion modeling, has to be integrated with the chemistry in a way which produces accurate numerical solutions to combustion problems. It is questionable whether the development of turbulent models in isolation from the peculiar statistics of reactant concentrations is a fruitful line of development as far as propulsion is concerned. There are three issues for which additional viewgraphs are prepared: the one point pdf method; the amplitude mapping closure; and a hybrid strategy for replacing a full two point pdf treatment of reacting flows by a single point pdf and correlation functions. An appeal is made for the establishment of an adequate data base for compressible flow with reactions for Mach numbers of unity or higher.

Modeling of the interplay between single-file diffusion and conversion reaction in mesoporous systems

Energy Technology Data Exchange (ETDEWEB)

Wang, Jing [Iowa State Univ., Ames, IA (United States)

2013-01-11

We analyze the spatiotemporal behavior of species concentrations in a diffusion-mediated conversion reaction which occurs at catalytic sites within linear pores of nanometer diameter. A strict single-file (no passing) constraint occurs in the diffusion within such narrow pores. Both transient and steady-state behavior is precisely characterized by kinetic Monte Carlo simulations of a spatially discrete lattice–gas model for this reaction–diffusion process considering various distributions of catalytic sites. Exact hierarchical master equations can also be developed for this model. Their analysis, after application of mean-field type truncation approximations, produces discrete reaction–diffusion type equations (mf-RDE). For slowly varying concentrations, we further develop coarse-grained continuum hydrodynamic reaction–diffusion equations (h-RDE) incorporating a precise treatment of single-file diffusion (SFD) in this multispecies system. Noting the shortcomings of mf-RDE and h-RDE, we then develop a generalized hydrodynamic (GH) formulation of appropriate gh-RDE which incorporates an unconventional description of chemical diffusion in mixed-component quasi-single-file systems based on a refined picture of tracer diffusion for finite-length pores. The gh-RDE elucidate the non-exponential decay of the steady-state reactant concentration into the pore and the non-mean-field scaling of the reactant penetration depth. Then an extended model of a catalytic conversion reaction within a functionalized nanoporous material is developed to assess the effect of varying the reaction product – pore interior interaction from attractive to repulsive. The analysis is performed utilizing the generalized hydrodynamic formulation of the reaction-diffusion equations which can reliably capture the complex interplay between reaction and restricted transport for both irreversible and reversible reactions.

Evaluation of apical extrusion of debris and irrigant using two new reciprocating and one continuous rotation single file systems.

Directory of Open Access Journals (Sweden)

Gurudutt Nayak

2014-06-01

Full Text Available Apical extrusion of debris and irrigants during cleaning and shaping of the root canal is one of the main causes of periapical inflammation and postoperative flare-ups. The purpose of this study was to quantitatively measure the amount of debris and irrigants extruded apically in single rooted canals using two reciprocating and one rotary single file nickel-titanium instrumentation systems.Sixty human mandibular premolars, randomly assigned to three groups (n = 20 were instrumented using two reciprocating (Reciproc and Wave One and one rotary (One Shape single-file nickel-titanium systems. Bidistilled water was used as irrigant with traditional needle irrigation delivery system. Eppendorf tubes were used as test apparatus for collection of debris and irrigant. The volume of extruded irrigant was collected and quantified via 0.1-mL increment measure supplied on the disposable plastic insulin syringe. The liquid inside the tubes was dried and the mean weight of debris was assessed using an electronic microbalance. The data were statistically analysed using Kruskal-Wallis nonparametric test and Mann Whitney U test with Bonferroni adjustment. P-values less than 0.05 were considered significant.The Reciproc file system produced significantly more debris compared with OneShape file system (P0.05. Extrusion of irrigant was statistically insignificant irrespective of the instrument or instrumentation technique used (P >0.05.Although all systems caused apical extrusion of debris and irrigant, continuous rotary instrumentation was associated with less extrusion as compared with the use of reciprocating file systems.

Microtomography-based comparison of reciprocating single-file F2 ProTaper technique versus rotary full sequence.

Science.gov (United States)

Paqué, Frank; Zehnder, Matthias; De-Deus, Gustavo

2011-10-01

A preparation technique with only 1 single instrument was proposed on the basis of the reciprocating movement of the F2 ProTaper instrument. The present study was designed to quantitatively assess canal preparation outcomes achieved by this technique. Twenty-five extracted human mandibular first molars with 2 separate mesial root canals were selected. Canals were randomly assigned to 1 of the 2 experimental groups: group 1, rotary conventional preparation by using ProTaper, and group 2, reciprocate instrumentation with 1 single ProTaper F2 instrument. Specimens were scanned initially and after root canal preparation with an isotropic resolution of 20 μm by using a micro-computed tomography system. The following parameters were assessed: changes in dentin volume, percentage of shaped canal walls, and degree of canal transportation. In addition, the time required to reach working length with the F2 instrument was recorded. Preoperatively, there were no differences regarding root canal curvature and volume between experimental groups. Overall, instrumentation led to enlarged canal shapes with no evidence of preparation errors. There were no statistical differences between the 2 preparation techniques in the anatomical parameters assessed (P > .01), except for a significantly higher canal transportation caused by the reciprocating file in the coronal canal third. On the other hand, preparation was faster by using the single-file technique (P ProTaper technique and conventional ProTaper full-sequence rotary approach were similar. However, the single-file F2 ProTaper technique was markedly faster in reaching working length. Copyright © 2011 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

In vitro comparison rate of dental root canal transportation using two single file systems on the simulated resin blocks

Directory of Open Access Journals (Sweden)

Mohammad Javad Etesami

2016-07-01

Full Text Available Background and Aims: Cleaning and shaping is one of the most important stages in endodontic treatment. Single-file systems save time and reduce the risk of transmission of pathogens. This in vitro study was aimed to compare the rate of canal transportation after the preparation of the stimulated resin root canal with two single-file systems, namely Waveone and Reciproc. Materials and Methods: Thirty stimulated resin root canal blocks with size 8/0. 02 K file were randomly divided into two study groups. The preparation in Group A and Group B was performed using Reciproc and Waveone files, respectively. Pre and post- preparation photographs were taken and the images were superimposed to evaluate the inner and outer wall’s curvature tendency at three points (apical, middle and coronal using AutoCad pragram. Data were analyzed using T-test. Results: Based on the results, the degree of transportation in the inner and outer walls of the canal was less at the level of 3 millimeters (P0.05. Conclusion: Waveone showed better performance in the middle third of canal and this system maybe recommended.

Canal shaping of different single-file systems in curved root canals

Directory of Open Access Journals (Sweden)

Maurizio D'Amario

2017-12-01

Full Text Available Background/Purpose: This study compared maintenance of canal anatomy, occurrence of apical transportation, and working time observed after instrumentation with One Shape New Generation rotary system (Micro-Mega, with those observed after instrumentation with Reciproc (VDW and WaveOne (Dentsply-Maillefer reciprocating systems. Materials and methods: The mesial canals of 45 mandibular molars (curvature angles between 35° and 45° were selected. Specimens were randomly divided into three groups, and canal preparations were performed using One Shape, Reciproc, or WaveOne systems (size #25. A digital double radiographic technique was used to determine apical transportation and change in angle of curvature. Also, working time and instrument failures were recorded. Data were statistically analyzed. Results: During preparation, no file fractured. No statistically significant differences were found among groups. No system showed a significantly faster preparation time than others (P>0.05. All instruments maintained the original canal curvature well and were safe to use. Conclusion: Both continuous rotary instrument and reciprocating systems did not have any influence on the presence of apical transportation or caused an alteration in angle of canal curvature. Keywords: canal curvature, canal straightening, endodontics, reciprocating motion, single file instrumentation

Effects of water-channel attractions on single-file water permeation through nanochannels

International Nuclear Information System (INIS)

Xu, Yousheng; Zheng, Youqu; Tian, Xingling; Lv, Mei; He, Bing; Deng, Maolin; Xiu, Peng; Tu, Yusong

2016-01-01

Single-file transportation of water across narrow nanochannels such as carbon nanotubes has attracted much attention in recent years. Such permeation can be greatly affected by the water-channel interactions; despite some progress, this issue has not been fully explored. Herein we use molecular dynamics simulations to investigate the effects of water-channel attractions on occupancy, translational (transportation) and orientational dynamics of water inside narrow single-walled carbon nanotubes (SWNTs). We use SWNTs as the model nanochannels and change the strength of water-nanotube attractions to mimic the changes in the hydrophobicity/polarity of the nanochannel. We investigate the dependence of water occupancy inside SWNTs on the water-channel attraction and identify the corresponding threshold values for drying states, wetting-drying transition states, and stably wetting states. As the strength of water-channel attractions increases, water flow increases rapidly first, and then decreases gradually; the maximal flow occurs in the case where the nanochannel is predominately filled with the 1D water wire but with a small fraction of ‘empty states’, indicating that appropriate empty-filling (drying-wetting) switching can promote water permeation. This maximal flow is unexpected, since in traditional view, the stable and tight hydrogen-bonding network of the water wire is the prerequisite for high permeability of water. The underlying mechanism is discussed from an energetic perspective. In addition, the effect of water-channel attractions on reorientational dynamics of the water wire is studied, and a negative correlation between the flipping frequency of water wire and the water-channel attraction is observed. The underlying mechanism is interpreted in term of the axial total dipole moment of inner water molecules. This work would help to better understand the effects of water-channel attractions on wetting properties of narrow nanochannels, and on single-file

Adobe Acrobat X PDF Bible

CERN Document Server

Padova, Ted

2011-01-01

The classic Acrobat and PDF reference, updated to cover the latest release. Consistently the most authoritative and comprehensive resource on Acrobat and PDF format, this standard reference returns with in-depth coverage of the newest version of Acrobat. Written by bestselling author Ted Padova, this book is packed with real-world insights and techniques gained from Padova's daily use of Acrobat and PDF under deadline constraints. You'll discover everything there is to know about using Acrobat and PDF for print prepress, the Internet, CD-ROMs, and other forms of media.: Popular author Ted Pado

Endodontic Treatment of Hypertaurodontic Mandibular Molar Using Reciprocating Single-file System: A Case Report.

Science.gov (United States)

C do Nascimento, Adriano; A F Marques, André; C Sponchiado-Júnior, Emílio; F R Garcia, Lucas; M A de Carvalho, Fredson

2016-01-01

Taurodontism is a developmental tooth disorder characterized by lack of constriction in the cementoenamel junction and consequent vertical stretch of the pulp chamber, accompanied by apical displacement of the pulpal floor. The endodontic treatment of teeth with this type of morpho-anatomical anomaly is challenging. The purpose of this article is to report the successful endodontic treatment of a hypertaurodontic mandibular molar using a reciprocating single-file system.

Influence of a glide path on apical extrusion of debris during canal preparation using single-file systems in curved canals.

Science.gov (United States)

Topçuoğlu, H S; Düzgün, S; Akpek, F; Topçuoğlu, G; Aktı, A

2016-06-01

To evaluate the effect of a glide path on the amount of apically extruded debris during canal preparation using single-file systems in curved canals. Ninety extracted mandibular molar teeth were randomly assigned to six groups (n = 15 for each group) for canal instrumentation. Endodontic access cavities were prepared in each tooth. In three of the six groups, a glide path was not created whereas a glide path was created using PathFile instruments on the mesial canals of all teeth in the remaining three groups. The mesial canals of the teeth were then instrumented with the following single-file instrument systems: WaveOne, Reciproc and OneShape. Debris extruded apically during instrumentation was collected into pre-weighed Eppendorf tubes. The tubes were then stored in an incubator at 70 °C for 5 days. The weight of the dry extruded debris was established by subtracting the pre-instrumentation and post-instrumentation weight of the Eppendorf tubes for each group. The data obtained were analysed using one-way analysis of variance (anova) and Tukey's post hoc tests. The OneShape file was associated with less debris extrusion than the Reciproc and WaveOne files when canal instrumentation was performed without a glide path (P files (P > 0.05). There was no significant difference amongst the OneShape, Reciproc and WaveOne files when a glide path was created before canal preparation in curved root canals (P > 0.05). All systems extruded significantly less debris in groups with a glide path than in groups without a glide path (P < 0.05). All instruments were associated with apical extrusion of debris. Creating a glide path prior to canal instrumentation reduced the amount of apically extruded debris in curved canals. © 2015 International Endodontic Journal. Published by John Wiley & Sons Ltd.

Evaluation of Single File Systems Reciproc, Oneshape, and WaveOne using Cone Beam Computed Tomography -An In Vitro Study.

Science.gov (United States)

Dhingra, Annil; Ruhal, Nidhi; Miglani, Anjali

2015-04-01

Successful endodontic therapy depends on many factor, one of the most important step in any root canal treatment is root canal preparation. In addition, respecting the original shape of the canal is of the same importance; otherwise, canal aberrations such as transportation will be created. The purpose of this study is to compare and evaluate Reciprocating WaveOne ,Reciproc and Rotary Oneshape Single File Instrumentation System On Cervical Dentin Thickness, Cross Sectional Area and Canal Transportation on First Mandibular Molar Using Cone Beam Computed Tomography. Sixty Mandibular First Molars extracted due to periodontal reason was collected from the Department of Oral and Maxillofacial. Teeth were prepared using one rotary and two reciprocating single file system. Teeth were divided into 3 groups 20 teeth in each group. Pre instrumentation and Post instrumentation scans was done and evaluated for three parameters Canal Transportation, Cervical Dentinal Thickness, Cross-sectional Area. Results were analysed statistically using ANOVA, Post-Hoc Tukey analysis. The change in cross-sectional area after filing showed significant difference at 0mm, 1mm, 2mm and 7mm (pfile system over a distance of 7 mm (starting from 0mm and then evaluation at 1mm, 2mm, 3mm, 5mm and 7mm), the results showed a significant difference among the file systems at various lengths (p= 0.014, 0.046, 0.004, 0.028, 0.005 & 0.029 respectively). Mean value of cervical dentinal removal is maximum at all the levels for oneshape and minimum for waveone showing the better quality of waveone and reciproc over oneshape file system. Significant difference was found at 9mm, 11mm and 12mm between all the three file systems (p<0.001,< 0.001, <0.001). It was concluded that reciprocating motion is better than rotary motion in all the three parameters Canal Transportation, Cross-sectional Area, Cervical Dentinal Thickness.

Single-file water as a one-dimensional Ising model

Energy Technology Data Exchange (ETDEWEB)

Koefinger, Juergen [Laboratory of Chemical Physics, Bldg 5, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892 (United States); Dellago, Christoph, E-mail: koefingerj@mail.nih.go [Faculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna (Austria)

2010-09-15

We show that single-file water in nanopores can be viewed as a one-dimensional (1D) Ising model, and we investigate, on the basis of this, the static dielectric response of a chain of hydrogen-bonded water molecules to an external field. To achieve this, we use a recently developed dipole lattice model that accurately captures the free energetics of nanopore water. In this model, the total energy of the system can be expressed as the sum of the effective interactions of chain ends and orientational defects. Neglecting these interactions, we essentially obtain the 1D Ising model, which allows us to derive analytical expressions for the free energy as a function of the total dipole moment and for the dielectric susceptibility. Our expressions, which agree very well with simulation results, provide the basis for the interpretation of future dielectric spectroscopy experiments on water-filled nanopore membranes.

Catalytic conversion reactions mediated by single-file diffusion in linear nanopores: hydrodynamic versus stochastic behavior.

Science.gov (United States)

Ackerman, David M; Wang, Jing; Wendel, Joseph H; Liu, Da-Jiang; Pruski, Marek; Evans, James W

2011-03-21

We analyze the spatiotemporal behavior of species concentrations in a diffusion-mediated conversion reaction which occurs at catalytic sites within linear pores of nanometer diameter. Diffusion within the pores is subject to a strict single-file (no passing) constraint. Both transient and steady-state behavior is precisely characterized by kinetic Monte Carlo simulations of a spatially discrete lattice-gas model for this reaction-diffusion process considering various distributions of catalytic sites. Exact hierarchical master equations can also be developed for this model. Their analysis, after application of mean-field type truncation approximations, produces discrete reaction-diffusion type equations (mf-RDE). For slowly varying concentrations, we further develop coarse-grained continuum hydrodynamic reaction-diffusion equations (h-RDE) incorporating a precise treatment of single-file diffusion in this multispecies system. The h-RDE successfully describe nontrivial aspects of transient behavior, in contrast to the mf-RDE, and also correctly capture unreactive steady-state behavior in the pore interior. However, steady-state reactivity, which is localized near the pore ends when those regions are catalytic, is controlled by fluctuations not incorporated into the hydrodynamic treatment. The mf-RDE partly capture these fluctuation effects, but cannot describe scaling behavior of the reactivity.

Reciprocating vs Rotary Instrumentation in Pediatric Endodontics: Cone Beam Computed Tomographic Analysis of Deciduous Root Canals using Two Single-file Systems.

Science.gov (United States)

Prabhakar, Attiguppe R; Yavagal, Chandrashekar; Dixit, Kratika; Naik, Saraswathi V

2016-01-01

Primary root canals are considered to be most challenging due to their complex anatomy. "Wave one" and "one shape" are single-file systems with reciprocating and rotary motion respectively. The aim of this study was to evaluate and compare dentin thickness, centering ability, canal transportation, and instrumentation time of wave one and one shape files in primary root canals using a cone beam computed tomographic (CBCT) analysis. This is an experimental, in vitro study comparing the two groups. A total of 24 extracted human primary teeth with minimum 7 mm root length were included in the study. Cone beam computed tomographic images were taken before and after the instrumentation for each group. Dentin thickness, centering ability, canal transportation, and instrumentation times were evaluated for each group. A significant difference was found in instrumentation time and canal transportation measures between the two groups. Wave one showed less canal transportation as compared with one shape, and the mean instrumentation time of wave one was significantly less than one shape. Reciprocating single-file systems was found to be faster with much less procedural errors and can hence be recommended for shaping the root canals of primary teeth. How to cite this article: Prabhakar AR, Yavagal C, Dixit K, Naik SV. Reciprocating vs Rotary Instrumentation in Pediatric Endodontics: Cone Beam Computed Tomographic Analysis of Deciduous Root Canals using Two Single-File Systems. Int J Clin Pediatr Dent 2016;9(1):45-49.

Apical extrusion of bacteria when using reciprocating single-file and rotary multifile instrumentation systems.

Science.gov (United States)

Tinoco, J M; De-Deus, G; Tinoco, E M B; Saavedra, F; Fidel, R A S; Sassone, L M

2014-06-01

To evaluate ex vivo, apical bacterial extrusion associated with two reciprocating single-file systems (WaveOne and Reciproc) compared with a conventional multifile rotary system (BioRace). Forty-five human single-rooted mandibular incisors were used. Endodontic access cavities were prepared, and root canals were contaminated with an Enterococcus faecalis suspension. Following incubation at 37 °C for thirty days, the contaminated teeth were divided into three groups of 15 specimens each (G1 - Reciproc, G2 - WaveOne and G3 - BioRace). Positive and negative controls consisted of 5 infected teeth and 3 uninfected incisors that were instrumented with one of the tested NiTi systems, respectively. Bacteria extruded from the apical foramen during instrumentation were collected into vials containing 0.9% NaCl. The microbiological samples were taken from the vials and incubated in brain heart agar medium for 24 h. The resulting bacterial titre, in colony-forming units (CFU) per mL, was determined, and these data were analysed by Wilcoxon matched-pairs signed rank test and Kruskal-Wallis H-test. The level of significance was set at α = 0.05. No significant difference was found in the number of CFU between the two reciprocating systems (P = 0.41). The conventional multifile rotary system group was associated with significantly higher CFU than both of the two reciprocating groups (P = 0.01). All instrumentation systems extruded bacteria beyond the foramen. However, both reciprocating single-file systems extruded fewer bacteria apically than the conventional multifile rotary system. © 2013 International Endodontic Journal. Published by John Wiley & Sons Ltd.

46 CFR 67.218 - Optional filing of instruments in portable document format as attachments to electronic mail.

Science.gov (United States)

2010-10-01

... format as attachments to electronic mail. 67.218 Section 67.218 Shipping COAST GUARD, DEPARTMENT OF... format as attachments to electronic mail. (a) Any instrument identified as eligible for filing and recording under § 67.200 may be submitted in portable document format (.pdf) as an attachment to electronic...

The incidence of root microcracks caused by 3 different single-file systems versus the ProTaper system.

Science.gov (United States)

Liu, Rui; Hou, Ben Xiang; Wesselink, Paul R; Wu, Min-Kai; Shemesh, Hagay

2013-08-01

The aim of this study was to compare the incidence of root cracks observed at the apical root surface and/or in the canal wall after canal instrumentation with 3 single-file systems and the ProTaper system (Dentsply Maillefer, Ballaigues, Switzerland). One hundred mandibular incisors were selected. Twenty control teeth were coronally flared with Gates-Glidden drills (Dentsply Maillefer). No further preparation was made. The other 80 teeth were mounted in resin blocks with simulated periodontal ligaments, and the apex was exposed. They were divided into 4 experimental groups (n = 20); the root canals were first coronally flared with Gates-Glidden drills and then instrumented to the full working length with the ProTaper, OneShape (Micro-Mega, Besancon, France), Reciproc (VDW, Munich, Germany), or the Self-Adjusting File (ReDent-Nova, Ra'anana, Israel). The apical root surface and horizontal sections 2, 4, and 6 mm from the apex were observed under a microscope. The presence of cracks was noted. The chi-square test was performed to compare the appearance of cracked roots between the experimental groups. No cracks were found in the control teeth and teeth instrumented with the Self-Adjusting File. Cracks were found in 10 of 20 (50%), 7 of 20 (35%), and 1 of 20 (5%) teeth after canal instrumentation with the ProTaper, OneShape, and Reciproc files, respectively. The difference between the experimental groups was statistically significant (P File and Reciproc files caused less cracks than the ProTaper and OneShape files. Copyright © 2013 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

621.pdf | Pdf2006Oct | sadha-na | Indian Academy of Sciences

Indian Academy of Sciences (India)

Home; sadha-na; Pdf2006Oct; 621.pdf. 404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. 29th Mid-year meeting. Posted on 19 January 2018. The 29th Mid-year meeting of the Academy will be ...

Egyptian Journal of Natural History: Submissions

African Journals Online (AJOL)

It should be either an Adobe PDF file, or in MSWord format, in a single file containing all the tables and figures. If electronic submission is impossible, then three copies of each manuscript, including copies of illustrations, should be submitted on A4 paper. Manuscripts should be double spaced, printed in font size 12, ...

High-Performance, Multi-Node File Copies and Checksums for Clustered File Systems

Science.gov (United States)

Kolano, Paul Z.; Ciotti, Robert B.

2012-01-01

Modern parallel file systems achieve high performance using a variety of techniques, such as striping files across multiple disks to increase aggregate I/O bandwidth and spreading disks across multiple servers to increase aggregate interconnect bandwidth. To achieve peak performance from such systems, it is typically necessary to utilize multiple concurrent readers/writers from multiple systems to overcome various singlesystem limitations, such as number of processors and network bandwidth. The standard cp and md5sum tools of GNU coreutils found on every modern Unix/Linux system, however, utilize a single execution thread on a single CPU core of a single system, and hence cannot take full advantage of the increased performance of clustered file systems. Mcp and msum are drop-in replacements for the standard cp and md5sum programs that utilize multiple types of parallelism and other optimizations to achieve maximum copy and checksum performance on clustered file systems. Multi-threading is used to ensure that nodes are kept as busy as possible. Read/write parallelism allows individual operations of a single copy to be overlapped using asynchronous I/O. Multinode cooperation allows different nodes to take part in the same copy/checksum. Split-file processing allows multiple threads to operate concurrently on the same file. Finally, hash trees allow inherently serial checksums to be performed in parallel. Mcp and msum provide significant performance improvements over standard cp and md5sum using multiple types of parallelism and other optimizations. The total speed-ups from all improvements are significant. Mcp improves cp performance over 27x, msum improves md5sum performance almost 19x, and the combination of mcp and msum improves verified copies via cp and md5sum by almost 22x. These improvements come in the form of drop-in replacements for cp and md5sum, so are easily used and are available for download as open source software at http://mutil.sourceforge.net.

Apical Transportation, Centering Ability, and Cleaning Effectiveness of Reciprocating Single-file System Associated with Different Glide Path Techniques.

Science.gov (United States)

de Carvalho, Guilherme Moreira; Sponchiado Junior, Emílio Carlos; Garrido, Angela Delfina Bittencourt; Lia, Raphael Carlos Comelli; Garcia, Lucas da Fonseca Roberti; Marques, André Augusto Franco

2015-12-01

The aim of this study was to evaluate the apical transportation, the centering ability, and the cleaning effectiveness of a reciprocating single-file system associated to different glide path techniques. The mesial root canals of 52 mandibular molars were randomly distributed into 4 groups (n = 13) according to the different glide path techniques used before biomechanical preparation with Reciproc System (RS): KF/RS (sizes 10 and 15 K-files), NGP/RS (no glide path, only reciprocating system), PF/RS (sizes 13, 16, and 19 PathFile instruments), and NP (no preparation). Cone-beam computed tomography analysis was performed before and after instrumentation for apical third images acquisition. Apical transportation and its direction were evaluated by using the formula D = (X1 - X2) - (Y1 - Y2), and the centering ability was analyzed by the formula CC = (X1 - X2/Y1 - Y2 or Y1 - Y2/X1 - X2). The samples were submitted to histologic processing and analyzed under a digital microscope for debris quantification. The values were statistically analyzed (Kruskal-Wallis, the Dunn multiple comparisons test, P .05). Groups had a tendency toward transportation in the mesial direction. No technique had perfect centering ability (=1.0), with no significant difference among them. KF/RS had larger amount of debris, with statistically significant difference in comparison with NGP/RS (P > .05). The different glide path techniques promoted minimal apical transportation, and the reciprocating single-file system tested remained relatively centralized within the root canal. Also, the different techniques interfered in the cleaning effectiveness of the reciprocating system. Copyright © 2015 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

Transport in ratchets with single-file constraint

Indian Academy of Sciences (India)

file diffusion” in the literature. Anomaly in protein molecule diffusion on a cell ... tic media [20]. The rectification effect vanishes in the adiabatically slow modulation limit and optimizes in a driving frequency range. In other related work on flash-.

Assessment of PDF Micromixing Models Using DNS Data for a Two-Step Reaction

Science.gov (United States)

Tsai, Kuochen; Chakrabarti, Mitali; Fox, Rodney O.; Hill, James C.

1996-11-01

Although the probability density function (PDF) method is known to treat the chemical reaction terms exactly, its application to turbulent reacting flows have been overshadowed by the ability to model the molecular mixing terms satisfactorily. In this study, two PDF molecular mixing models, the linear-mean-square-estimation (LMSE or IEM) model and the generalized interaction-by-exchange-with-the-mean (GIEM) model, are compared with the DNS data in decaying turbulence with a two-step parallel-consecutive reaction and two segregated initial conditions: ``slabs" and ``blobs". Since the molecular mixing model is expected to have a strong effect on the mean values of chemical species under such initial conditions, the model evaluation is intended to answer the following questions: Can the PDF models predict the mean values of chemical species correctly with completely segregated initial conditions? (2) Is a single molecular mixing timescale sufficient for the PDF models to predict the mean values with different initial conditions? (3) Will the chemical reactions change the molecular mixing timescales of the reacting species enough to affect the accuracy of the model's prediction for the mean values of chemical species?

SU-F-T-94: Plan2pdf - a Software Tool for Automatic Plan Report for Philips Pinnacle TPS

Energy Technology Data Exchange (ETDEWEB)

Wu, C [Sutter Medical Foundation, Roseville, CA (United States)

2016-06-15

Purpose: To implement an automatic electronic PDF plan reporting tool for Philips Pinnacle treatment planning system (TPS) Methods: An electronic treatment plan reporting software is developed by us to enable fully automatic PDF report from Pinnacle TPS to external EMR programs such as MOSAIQ. The tool is named “plan2pdf”. plan2pdf is implemented using Pinnacle scripts, Java and UNIX shell scripts, without any external program needed. plan2pdf supports full auto-mode and manual mode reporting. In full auto-mode, with a single mouse click, plan2pdf will generate a detailed Pinnacle plan report in PDF format, which includes customizable cover page, Pinnacle plan summary, orthogonal views through each plan POI and maximum dose point, DRR for each beam, serial transverse views captured throughout the dose grid at a user specified interval, DVH and scorecard windows. The final PDF report is also automatically bookmarked for each section above for convenient plan review. The final PDF report can either be saved on a user specified folder on Pinnacle, or it can be automatically exported to an EMR import folder via a user configured FTP service. In manual capture mode, plan2pdf allows users to capture any Pinnacle plan by full screen, individual window or rectangular ROI drawn on screen. Furthermore, to avoid possible patients’ plan mix-up during auto-mode reporting, a user conflict check feature is included in plan2pdf: it prompts user to wait if another patient is being exported by plan2pdf by another user. Results: plan2pdf is tested extensively and successfully at our institution consists of 5 centers, 15 dosimetrists and 10 physicists, running Pinnacle version 9.10 on Enterprise servers. Conclusion: plan2pdf provides a highly efficient, user friendly and clinical proven platform for all Philips Pinnacle users, to generate a detailed plan report in PDF format for external EMR systems.

SU-F-T-94: Plan2pdf - a Software Tool for Automatic Plan Report for Philips Pinnacle TPS

International Nuclear Information System (INIS)

Wu, C

2016-01-01

Purpose: To implement an automatic electronic PDF plan reporting tool for Philips Pinnacle treatment planning system (TPS) Methods: An electronic treatment plan reporting software is developed by us to enable fully automatic PDF report from Pinnacle TPS to external EMR programs such as MOSAIQ. The tool is named “plan2pdf”. plan2pdf is implemented using Pinnacle scripts, Java and UNIX shell scripts, without any external program needed. plan2pdf supports full auto-mode and manual mode reporting. In full auto-mode, with a single mouse click, plan2pdf will generate a detailed Pinnacle plan report in PDF format, which includes customizable cover page, Pinnacle plan summary, orthogonal views through each plan POI and maximum dose point, DRR for each beam, serial transverse views captured throughout the dose grid at a user specified interval, DVH and scorecard windows. The final PDF report is also automatically bookmarked for each section above for convenient plan review. The final PDF report can either be saved on a user specified folder on Pinnacle, or it can be automatically exported to an EMR import folder via a user configured FTP service. In manual capture mode, plan2pdf allows users to capture any Pinnacle plan by full screen, individual window or rectangular ROI drawn on screen. Furthermore, to avoid possible patients’ plan mix-up during auto-mode reporting, a user conflict check feature is included in plan2pdf: it prompts user to wait if another patient is being exported by plan2pdf by another user. Results: plan2pdf is tested extensively and successfully at our institution consists of 5 centers, 15 dosimetrists and 10 physicists, running Pinnacle version 9.10 on Enterprise servers. Conclusion: plan2pdf provides a highly efficient, user friendly and clinical proven platform for all Philips Pinnacle users, to generate a detailed plan report in PDF format for external EMR systems.

Comparative evaluation of apically extruded debris during root canal instrumentation using two Ni-Ti single file rotary systems: An in vitro study.

Science.gov (United States)

Singbal, Kiran; Jain, Disha; Raja, Kranthi; Hoe, Tan Ming

2017-01-01

Apical extrusion of debris during instrumentation is detrimental to the patient. The aim of this study was to evaluate the apical extrusion of debris during root canal instrumentation using two single file rotary Ni-Ti systems. Thirty freshly extracted mandibular premolars with straight roots were sterilized and divided into two groups instrumented using: One Shape rotary Ni-Ti system with Endoflare orifice shaper (Group 1) and Neo-Niti rotary Ni-Ti system with C1 orifice shaper (Group 2). Preweighed Eppendorf tubes fitted for each tooth before instrumentation. During instrumentation, 1 mL of distilled water with a 30-gauge needle was used to irrigate after every instrument. Tips of the tooth were irrigated with 2 ml distilled water after removal from Eppendorf tubes. The total volume of irrigant in each group was the same 8 ml. All tubes were incubated at 68°C for 15 days and subsequently weighed. The difference between pre- and post-debris weights was calculated, and statistical analysis was performed using independent t -test and level of significance was set at 0.05. The difference between pre- and post-weights was significantly greater for the One Shape system. The Neolix Niti single file was associated with less extrusion compared to One Shape single file system.

Evaluation of Single File Systems Reciproc, Oneshape, and WaveOne using Cone Beam Computed Tomography –An In Vitro Study

Science.gov (United States)

Dhingra, Annil; Miglani, Anjali

2015-01-01

Background Successful endodontic therapy depends on many factor, one of the most important step in any root canal treatment is root canal preparation. In addition, respecting the original shape of the canal is of the same importance; otherwise, canal aberrations such as transportation will be created. Aim The purpose of this study is to compare and evaluate Reciprocating WaveOne ,Reciproc and Rotary Oneshape Single File Instrumentation System On Cervical Dentin Thickness, Cross Sectional Area and Canal Transportation on First Mandibular Molar Using Cone Beam Computed Tomography. Materials and Methods Sixty Mandibular First Molars extracted due to periodontal reason was collected from the Department of Oral and Maxillofacial. Teeth were prepared using one rotary and two reciprocating single file system. Teeth were divided into 3 groups 20 teeth in each group. Pre instrumentation and Post instrumentation scans was done and evaluated for three parameters Canal Transportation, Cervical Dentinal Thickness, Cross-sectional Area. Results were analysed statistically using ANOVA, Post-Hoc Tukey analysis. Results The change in cross-sectional area after filing showed significant difference at 0mm, 1mm, 2mm and 7mm (pfile system over a distance of 7 mm (starting from 0mm and then evaluation at 1mm, 2mm, 3mm, 5mm and 7mm), the results showed a significant difference among the file systems at various lengths (p= 0.014, 0.046, 0.004, 0.028, 0.005 & 0.029 respectively). Mean value of cervical dentinal removal is maximum at all the levels for oneshape and minimum for waveone showing the better quality of waveone and reciproc over oneshape file system. Significant difference was found at 9mm, 11mm and 12mm between all the three file systems (p<0.001,< 0.001, <0.001). Conclusion It was concluded that reciprocating motion is better than rotary motion in all the three parameters Canal Transportation, Cross-sectional Area, Cervical Dentinal Thickness. PMID:26023639

Histological evaluation of the cleaning effectiveness of two reciprocating single-file systems in severely curved root canals: Reciproc versus WaveOne.

Science.gov (United States)

Carvalho, Maira de Souza; Junior, Emílio Carlos Sponchiado; Bitencourt Garrido, Angela Delfina; Roberti Garcia, Lucas da Fonseca; Franco Marques, André Augusto

2015-01-01

The aim of this study was to evaluate the cleaning effectiveness achieved with two reciprocating single-file systems in severely curved root canals: Reciproc and WaveOne. Twenty-five mesial roots of mandibular molars were randomly separated into two groups, according to the instrumentation system used. The negative control group consisted of five specimens that were not instrumented. The mesial canals (buccal and lingual) in Reciproc Group were instrumented with file R25 and the WaveOne group with the Primary file. The samples were submitted to histological processing and analyzed under a digital microscope. The WaveOne group presented a larger amount of debris than the Reciproc Group, however, without statistically significant difference (P > 0.05). A larger amount of debris in the control group was observed, with statistically significant difference to Reciproc and WaveOne groups (P file instrumentation systems presented similar effectiveness for root canal cleaning.

Single-Molecule Spectroscopy

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 20; Issue 2. Single-Molecule Spectroscopy: Every Molecule is Different! Kankan Bhattacharyya. General Article Volume 20 Issue 2 February 2015 pp 151-164. Fulltext. Click here to view fulltext PDF. Permanent link:

Three-Dimensional Reconstructions Come to Life – Interactive 3D PDF Animations in Functional Morphology

Science.gov (United States)

van de Kamp, Thomas; dos Santos Rolo, Tomy; Vagovič, Patrik; Baumbach, Tilo; Riedel, Alexander

2014-01-01

Digital surface mesh models based on segmented datasets have become an integral part of studies on animal anatomy and functional morphology; usually, they are published as static images, movies or as interactive PDF files. We demonstrate the use of animated 3D models embedded in PDF documents, which combine the advantages of both movie and interactivity, based on the example of preserved Trigonopterus weevils. The method is particularly suitable to simulate joints with largely deterministic movements due to precise form closure. We illustrate the function of an individual screw-and-nut type hip joint and proceed to the complex movements of the entire insect attaining a defence position. This posture is achieved by a specific cascade of movements: Head and legs interlock mutually and with specific features of thorax and the first abdominal ventrite, presumably to increase the mechanical stability of the beetle and to maintain the defence position with minimal muscle activity. The deterministic interaction of accurately fitting body parts follows a defined sequence, which resembles a piece of engineering. PMID:25029366

e73.pdf.pdf | 92 | OnlineResources | jgenet | www.ias.ac.in | http ...

Indian Academy of Sciences (India)

Home; public; Volumes; jgen; 092; online; http; www.ias.ac.in; jgenet; OnlineResources; 92; e73.pdf.pdf. 404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. 29th Mid-year meeting. Posted on 19 ...

Flexibility and Performance of Parallel File Systems

Science.gov (United States)

Kotz, David; Nieuwejaar, Nils

1996-01-01

As we gain experience with parallel file systems, it becomes increasingly clear that a single solution does not suit all applications. For example, it appears to be impossible to find a single appropriate interface, caching policy, file structure, or disk-management strategy. Furthermore, the proliferation of file-system interfaces and abstractions make applications difficult to port. We propose that the traditional functionality of parallel file systems be separated into two components: a fixed core that is standard on all platforms, encapsulating only primitive abstractions and interfaces, and a set of high-level libraries to provide a variety of abstractions and application-programmer interfaces (API's). We present our current and next-generation file systems as examples of this structure. Their features, such as a three-dimensional file structure, strided read and write interfaces, and I/O-node programs, are specifically designed with the flexibility and performance necessary to support a wide range of applications.

Are PDF Documents Accessible?

Directory of Open Access Journals (Sweden)

Mireia Ribera Turró

2008-09-01

Full Text Available Adobe PDF is one of the most widely used formats in scientific communications and in administrative documents. In its latest versions it has incorporated structural tags and improvements that increase its level of accessibility. This article reviews the concept of accessibility in the reading of digital documents and evaluates the accessibility of PDF according to the most widely established standards.

Rift Valley Fever (RVF)

Science.gov (United States)

... Outbreak Summaries RVF Distribution Map Resources Virus Ecology Posters Language: English (US) French File Formats Help: How do I view different file formats (PDF, DOC, PPT, MPEG) on this site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Take Control of PDFpen 5

CERN Document Server

Cohen, Michael

2010-01-01

After a whirlwind history and overview of PDF, you'll take a tour through PDFpen's tools and navigation. With those basics taken care of, you'll learn how to: Scan a document to PDF and make the text editable with OCRCombine pages from multiple files into a single PDFTurn a Web site into a multi-page PDFAdd or remove pages from a PDFAdd a hand-written signature to a PDFAdd page and URL links to a PDFMake a clickable table of contents for a PDFUse professional editing marks on a PDFEdit text within a PDF that was received in emailLeave comments on a PDF documentRemove sensitive or confidential

Chikungunya Virus

Science.gov (United States)

... Providers Nowcast for the Americas Fact Sheets and Posters Resources Vector Surveillance and Control File Formats Help: How do I view different file formats (PDF, DOC, PPT, MPEG) on this site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Recent progress in the joint velocity-scalar PDF method

Science.gov (United States)

Anand, M. S.

1995-01-01

This viewgraph presentation discusses joint velocity-scalar PDF method; turbulent combustion modeling issues for gas turbine combustors; PDF calculations for a recirculating flow; stochastic dissipation model; joint PDF calculations for swirling flows; spray calculations; reduced kinetics/manifold methods; parallel processing; and joint PDF focus areas.

School Survey on Crime and Safety (SSOCS) 2000 Public-Use Data Files, User's Manual, and Detailed Data Documentation. [CD-ROM].

Science.gov (United States)

National Center for Education Statistics (ED), Washington, DC.

This CD-ROM contains the raw, public-use data from the 2000 School Survey on Crime and Safety (SSOCS) along with a User's Manual and Detailed Data Documentation. The data are provided in SAS, SPSS, STATA, and ASCII formats. The User's Manual and the Detailed Data Documentation are provided as .pdf files. (Author)

Influence of operator's experience on root canal shaping ability with a rotary nickel-titanium single-file reciprocating motion system.

Science.gov (United States)

Muñoz, Estefanía; Forner, Leopoldo; Llena, Carmen

2014-04-01

The aim of this study was to evaluate the influence of the operator's experience on the shaping of double-curvature simulated root canals with a nickel-titanium single-file reciprocating motion system. Sixty double-curvature root canals simulated in methacrylate blocks were prepared by 10 students without any experience in endodontics and by 10 professionals who had studied endodontics at the postgraduate level. The Reciproc-VDW system's R25 file was used in the root canal preparation. The blocks were photographed before and after the instrumentation, and the time of instrumentation was also evaluated. Changes in root canal dimensions were analyzed in 6 positions. Significant differences (P file reciprocating motion system Reciproc is not seen to be influenced by the operator's experience regarding the increase of the canal area. Previous training and the need to acquire experience are important in the use of this system, in spite of its apparent simplicity. Copyright © 2014 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

Comparison of Single Visit Post Endodontic Pain Using Mtwo Rotary and Hand K-File Instruments: A Randomized Clinical Trial.

Science.gov (United States)

Kashefinejad, Mohamad; Harandi, Azade; Eram, Saeed; Bijani, Ali

2016-01-01

Pain is an unpleasant outcome of endodontic treatment that can be unbearable to patients. Instrumentation techniques may affect the frequency and intensity of post-endodontic pain. This study aimed to compare single visit post endodontic pain using Mtwo (NiTi) rotary and hand K-file instruments. In this randomized controlled trial, 60 teeth with symptomatic irreversible pulpitis in 53 patients were selected and randomly assigned into two groups of 30 teeth. In group A, the root canals were prepared with Mtwo (NiTi) rotary instruments. In group B, the root canals were prepared with hand K-file instruments. Pain assessment was implemented using visual analog scale (VAS) at four, eight, 12 and 24 hours after treatment. The acquired data were analyzed using chi-square, Mann-Whitney U and Student's t-test (Protary instruments experienced significantly less post-endodontic pain than those treated with hand instruments (Protary instruments in root canal preparation contributed to lower incidence of postoperative pain than hand K-files.

Listeria (Listeriosis)

Science.gov (United States)

... The Listeria Initiative The Listeria Whole Genome Sequencing Project Publications Language: English (US) Español (Spanish) File Formats Help: How do I view different file formats (PDF, DOC, PPT, MPEG) on this site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file ...

Comments on PDF methods

Science.gov (United States)

Chen, J.-Y.

1992-01-01

Viewgraphs are presented on the following topics: the grand challenge of combustion engineering; research of probability density function (PDF) methods at Sandia; experiments of turbulent jet flames (Masri and Dibble, 1988); departures from chemical equilibrium; modeling turbulent reacting flows; superequilibrium OH radical; pdf modeling of turbulent jet flames; scatter plot for CH4 (methane) and O2 (oxygen); methanol turbulent jet flames; comparisons between predictions and experimental data; and turbulent C2H4 jet flames.

A micro-computed tomographic evaluation of dentinal microcrack alterations during root canal preparation using single-file Ni-Ti systems.

Science.gov (United States)

Li, Mei-Lin; Liao, Wei-Li; Cai, Hua-Xiong

2018-01-01

The aim of the present study was to evaluate the length of dentinal microcracks observed prior to and following root canal preparation with different single-file nickel-titanium (Ni-Ti) systems using micro-computed tomography (micro-CT) analysis. A total of 80 mesial roots of mandibular first molars presenting with type II Vertucci canal configurations were scanned at an isotropic resolution of 7.4 µm. The samples were randomly assigned into four groups (n=20 per group) according to the system used for root canal preparation, including the WaveOne (WO), OneShape (OS), Reciproc (RE) and control groups. A second micro-CT scan was conducted after the root canals were prepared with size 25 instruments. Pre- and postoperative cross-section images of the roots (n=237,760) were then screened to identify the lengths of the microcracks. The results indicated that the microcrack lengths were notably increased following root canal preparation (Pfiles. Among the single-file Ni-Ti systems, WO and RE were not observed to cause notable microcracks, while the OS system resulted in evident microcracks.

A Bayesian way to solve the pdf selection problem an application in geotechnical analysis

NARCIS (Netherlands)

Kerstens, J.G.M.

2007-01-01

Single probability density functions (pdf) are often selected based on a best-fit approach or the minimum description length (MDL) theorem that finds its description by the theory of complexity by Kolmogorov. However, it often occurs that random data cannot be accurately described by any of the

Zebra: A striped network file system

Science.gov (United States)

Hartman, John H.; Ousterhout, John K.

1992-01-01

The design of Zebra, a striped network file system, is presented. Zebra applies ideas from log-structured file system (LFS) and RAID research to network file systems, resulting in a network file system that has scalable performance, uses its servers efficiently even when its applications are using small files, and provides high availability. Zebra stripes file data across multiple servers, so that the file transfer rate is not limited by the performance of a single server. High availability is achieved by maintaining parity information for the file system. If a server fails its contents can be reconstructed using the contents of the remaining servers and the parity information. Zebra differs from existing striped file systems in the way it stripes file data: Zebra does not stripe on a per-file basis; instead it stripes the stream of bytes written by each client. Clients write to the servers in units called stripe fragments, which are analogous to segments in an LFS. Stripe fragments contain file blocks that were written recently, without regard to which file they belong. This method of striping has numerous advantages over per-file striping, including increased server efficiency, efficient parity computation, and elimination of parity update.

PDF4LHC recommendations for LHC Run II

NARCIS (Netherlands)

Butterworth, Jon; Carrazza, Stefano; Cooper-Sarkar, Amanda; Roeck, Albert de; Feltesse, Joel; Forte, Stefano; Gao, Jun; Glazov, Sasha; Huston, Joey; Kassabov, Zahari; McNulty, Ronan; Morsch, Andreas; Nadolsky, Pavel; Radescu, Voica; Rojo, Juan; Thorne, Robert S.

2015-01-01

We provide an updated recommendation for the usage of sets of parton distribution functions (PDFs) and the assessment of PDF and PDF+$\\alpha_s$ uncertainties suitable for applications at the LHC Run II. We review developments since the previous PDF4LHC recommendation, and discuss and compare the new

Methylation of zebularine: a quantum mechanical study incorporating interactive 3D pdf graphs.

Science.gov (United States)

Selvam, Lalitha; Vasilyev, Vladislav; Wang, Feng

2009-08-20

Methylation of a cytidine deaminase inhibitor, 1-(beta-D-ribofuranosyl)-2-pyrimidone (i.e., zebularine (zeb)), which produces 1-(beta-D-ribofuranosyl)-5-methyl-2-pyrimidinone (d5), has been investigated using density functional theory models. The optimized structures of zeb and d5 and the valence orbitals primarily responsible for the methylation in d5 are presented using state-of-the-art interactive (on a computer or online) three-dimensional (3D) graphics in a portable document format (pdf) file, 3D-PDF (http://www.web3d.org/x3d/vrml/ ). The facility to embed 3D molecular structures into pdf documents has been developed jointly at Swinburne University of Technology and the National Computational Infrastructure, the Australian National University. The methyl fragment in the base moiety shows little effect on the sugar puckering but apparently affects anisotropic properties, such as condensed Fukui functions. Binding energy spectra, both valence space and core space, are noticeably affected; in particular, in the outer-valence space (e.g., IP < 20 eV). The methyl fragment delocalizes and diffuses into almost all valence space, but orbitals 8 (57a, IP = 12.57 eV), 18 (47a, IP = 14.70 eV), and 37 (28a, IP = 22.15 eV) are identified as fingerprint for the methyl fragment. In the inner shell, however, the impact of the methyl can be localized and identified by chemical shift. A small, global, red shift is found for the O-K, N-K and sugar C-K spectra, whereas the base C-K spectrum exhibits apparent methyl-related changes.

The PDF4LHC Working Group Interim Report

CERN Document Server

Alekhin, Sergey; Ball, Richard D.; Bertone, Valerio; Blumlein, Johannes; Botje, Michiel; Butterworth, Jon; Cerutti, Francesco; Cooper-Sarkar, Amanda; de Roeck, Albert; Del Debbio, Luigi; Feltesse, Joel; Forte, Stefano; Glazov, Alexander; Guffanti, Alberto; Gwenlan, Claire; Huston, Joey; Jimenez-Delgado, Pedro; Lai, Hung-Liang; Latorre, Jose I.; McNulty, Ronan; Nadolsky, Pavel; Olaf Moch, Sven; Pumplin, Jon; Radescu, Voica; Rojo, Juan; Sjostrand, Torbjorn; Stirling, W.J.; Stump, Daniel; Thorne, Robert S.; Ubiali, Maria; Vicini, Alessandro; Watt, Graeme; Yuan, C.-P.

2011-01-01

This document is intended as a study of benchmark cross sections at the LHC (at 7 TeV) at NLO using modern parton distribution functions currently available from the 6 PDF fitting groups that have participated in this exercise. It also contains a succinct user guide to the computation of PDFs, uncertainties and correlations using available PDF sets. A companion note, also submitted to the archive, provides an interim summary of the current recommendations of the PDF4LHC working group for the use of parton distribution functions and of PDF uncertainties at the LHC, for cross section and cross section uncertainty calculations.

Fulltext PDF

Indian Academy of Sciences (India)

the list of essential medicines of the World Health Organization1. Thiamine ... he was just 27!), he published a full paper in the Journal of the American Chemical Society, which for the first time elaborated how ... EML2015_8-May-15.pdf.

Deceit: A flexible distributed file system

Science.gov (United States)

Siegel, Alex; Birman, Kenneth; Marzullo, Keith

1989-01-01

Deceit, a distributed file system (DFS) being developed at Cornell, focuses on flexible file semantics in relation to efficiency, scalability, and reliability. Deceit servers are interchangeable and collectively provide the illusion of a single, large server machine to any clients of the Deceit service. Non-volatile replicas of each file are stored on a subset of the file servers. The user is able to set parameters on a file to achieve different levels of availability, performance, and one-copy serializability. Deceit also supports a file version control mechanism. In contrast with many recent DFS efforts, Deceit can behave like a plain Sun Network File System (NFS) server and can be used by any NFS client without modifying any client software. The current Deceit prototype uses the ISIS Distributed Programming Environment for all communication and process group management, an approach that reduces system complexity and increases system robustness.

Evolution of the concentration PDF in random environments modeled by global random walk

Science.gov (United States)

Suciu, Nicolae; Vamos, Calin; Attinger, Sabine; Knabner, Peter

2013-04-01

The evolution of the probability density function (PDF) of concentrations of chemical species transported in random environments is often modeled by ensembles of notional particles. The particles move in physical space along stochastic-Lagrangian trajectories governed by Ito equations, with drift coefficients given by the local values of the resolved velocity field and diffusion coefficients obtained by stochastic or space-filtering upscaling procedures. A general model for the sub-grid mixing also can be formulated as a system of Ito equations solving for trajectories in the composition space. The PDF is finally estimated by the number of particles in space-concentration control volumes. In spite of their efficiency, Lagrangian approaches suffer from two severe limitations. Since the particle trajectories are constructed sequentially, the demanded computing resources increase linearly with the number of particles. Moreover, the need to gather particles at the center of computational cells to perform the mixing step and to estimate statistical parameters, as well as the interpolation of various terms to particle positions, inevitably produce numerical diffusion in either particle-mesh or grid-free particle methods. To overcome these limitations, we introduce a global random walk method to solve the system of Ito equations in physical and composition spaces, which models the evolution of the random concentration's PDF. The algorithm consists of a superposition on a regular lattice of many weak Euler schemes for the set of Ito equations. Since all particles starting from a site of the space-concentration lattice are spread in a single numerical procedure, one obtains PDF estimates at the lattice sites at computational costs comparable with those for solving the system of Ito equations associated to a single particle. The new method avoids the limitations concerning the number of particles in Lagrangian approaches, completely removes the numerical diffusion, and

EBooks as PDF Files, in EPub Format or as Interactive IBooks? Digital Books in Physics Lessons of Secondary Education

Science.gov (United States)

Lohr, Manfred

2014-01-01

This paper outlines the different capabilities of ebooks in the pdf, epub and ibook format in science teaching evaluated at the BG/BRG Schwechat. Over the recent years the school equipped with 100 personal computers and 28 iPads has become one of the leading e-learning schools in Austria. iPads show their advantages in the context of blended…

Know How to Use Your Asthma Inhaler

Medline Plus

Full Text Available ... Missed School Days among Children aged 5–17 Years Asthma Severity among Adults with Current Asthma Asthma ... different file formats (PDF, DOC, PPT, MPEG) on this site? Adobe PDF file Microsoft PowerPoint file Microsoft ...

The stepping behavior analysis of pedestrians from different age groups via a single-file experiment

Science.gov (United States)

Cao, Shuchao; Zhang, Jun; Song, Weiguo; Shi, Chang'an; Zhang, Ruifang

2018-03-01

The stepping behavior of pedestrians with different age compositions in single-file experiment is investigated in this paper. The relation between step length, step width and stepping time are analyzed by using the step measurement method based on the calculation of curvature of the trajectory. The relations of velocity-step width, velocity-step length and velocity-stepping time for different age groups are discussed and compared with previous studies. Finally effects of pedestrian gender and height on stepping laws and fundamental diagrams are analyzed. The study is helpful for understanding pedestrian dynamics of movement. Meanwhile, it offers experimental data to develop a microscopic model of pedestrian movement by considering stepping behavior.

Comparison of Single Visit Post Endodontic Pain Using Mtwo Rotary and Hand K-File Instruments: A Randomized Clinical Trial

Directory of Open Access Journals (Sweden)

Mohamad Kashefinejad

2016-08-01

Full Text Available Objectives: Pain is an unpleasant outcome of endodontic treatment that can be unbearable to patients. Instrumentation techniques may affect the frequency and intensity of post-endodontic pain. This study aimed to compare single visit post endodontic pain using Mtwo (NiTi rotary and hand K-file instruments.Materials and Methods: In this randomized controlled trial, 60 teeth with symptomatic irreversible pulpitis in 53 patients were selected and randomly assigned into two groups of 30 teeth. In group A, the root canals were prepared with Mtwo (NiTi rotary instruments. In group B, the root canals were prepared with hand K-file instruments. Pain assessment was implemented using visual analog scale (VAS at four, eight, 12 and 24 hours after treatment. The acquired data were analyzed using chi-square, Mann-Whitney U and Student’s t-test (P<0.05.Results: Patients treated with rotary instruments experienced significantly less post-endodontic pain than those treated with hand instruments (P<0.001.Conclusion: The use of Mtwo (NiTi rotary instruments in root canal preparation contributed to lower incidence of postoperative pain than hand K-files.

PDF and cAMP enhance PER stability in Drosophila clock neurons

Science.gov (United States)

Li, Yue; Guo, Fang; Shen, James; Rosbash, Michael

2014-01-01

The neuropeptide PDF is important for Drosophila circadian rhythms: pdf01 (pdf-null) animals are mostly arrhythmic or short period in constant darkness and have an advanced activity peak in light–dark conditions. PDF contributes to the amplitude, synchrony, as well as the pace of circadian rhythms within clock neurons. PDF is known to increase cAMP levels in PDR receptor (PDFR)-containing neurons. However, there is no known connection of PDF or of cAMP with the Drosophila molecular clockworks. We discovered that the mutant period gene perS ameliorates the phenotypes of pdf-null flies. The period protein (PER) is a well-studied repressor of clock gene transcription, and the perS protein (PERS) has a markedly short half-life. The result therefore suggests that the PDF-mediated increase in cAMP might lengthen circadian period by directly enhancing PER stability. Indeed, increasing cAMP levels and cAMP-mediated protein kinase A (PKA) activity stabilizes PER, in S2 tissue culture cells and in fly circadian neurons. Adding PDF to fly brains in vitro has a similar effect. Consistent with these relationships, a light pulse causes more prominent PER degradation in pdf01 circadian neurons than in wild-type neurons. The results indicate that PDF contributes to clock neuron synchrony by increasing cAMP and PKA, which enhance PER stability and decrease clock speed in intrinsically fast-paced PDFR-containing clock neurons. We further suggest that the more rapid degradation of PERS bypasses PKA regulation and makes the pace of clock neurons more uniform, allowing them to avoid much of the asynchrony caused by the absence of PDF. PMID:24707054

Fulltext PDF

Indian Academy of Sciences (India)

Scholars and Post-Doctoral Fellows (PDF), who work in topology and related areas also to apply. The course consists lectures on the following topics: (a) topology of metric spaces, (b) basic proper- ties of topological spaces, (c) separation axioms and metrization theorems, (d) fundamental groups,. (e) covering spaces and ...

PDF -- new peat technology

Energy Technology Data Exchange (ETDEWEB)

Myreen, P B

1982-12-01

The impact of a large-scale utilization of peat must be assessed in each region separately. As it is completely impractical to transport wet peat over long distances, a PDF plant must be built in the peatland region. Such regions often need economic stimulation. The PDF process can be run independent of season and weather, and thus offers permanent jobs. Dredging the peat layer all at once in a wet state is an operation concentrated on a very small land area. If this area can be drained, it can soon afterwards be forested or used for agricultural purposes. Even if the area from which the peat is removed is left as a wetland, when cleverly done, the ecological effects may be favourable. Peat is a significant energy source in many countries now looking for domestic alternatives to expensive imported fuels. The main constraint on large-scale utilization of peat is its ability to retain moisture. The wet-carbonization process, utilized in a PDF plant and yielding a high-quality peat-derived fuel, is believed to be a technically feasible and economically attractive industrial method of dewatering native peat.

The gamma-ray-flux PDF from galactic halo substructure

International Nuclear Information System (INIS)

Lee, Samuel K.; Ando, Shin'ichiro; Kamionkowski, Marc

2009-01-01

One of the targets of the recently launched Fermi Gamma-ray Space Telescope is a diffuse gamma-ray background from dark-matter annihilation or decay in the Galactic halo. N-body simulations and theoretical arguments suggest that the dark matter in the Galactic halo may be clumped into substructure, rather than smoothly distributed. Here we propose the gamma-ray-flux probability distribution function (PDF) as a probe of substructure in the Galactic halo. We calculate this PDF for a phenomenological model of halo substructure and determine the regions of the substructure parameter space in which the PDF may be distinguished from the PDF for a smooth distribution of dark matter. In principle, the PDF allows a statistical detection of substructure, even if individual halos cannot be detected. It may also allow detection of substructure on the smallest microhalo mass scales, ∼ M ⊕ , for weakly-interacting massive particles (WIMPs). Furthermore, it may also provide a method to measure the substructure mass function. However, an analysis that assumes a typical halo substructure model and a conservative estimate of the diffuse background suggests that the substructure PDF may not be detectable in the lifespan of Fermi in the specific case that the WIMP is a neutralino. Nevertheless, for a large range of substructure, WIMP annihilation, and diffuse background models, PDF analysis may provide a clear signature of substructure

Transverse single-file diffusion and enhanced longitudinal diffusion near a subcritical bifurcation

Science.gov (United States)

Dessup, Tommy; Coste, Christophe; Saint Jean, Michel

2018-05-01

A quasi-one-dimensional system of repelling particles undergoes a configurational phase transition when the transverse confining potential decreases. Below a threshold, it becomes energetically favorable for the system to adopt one of two staggered raw patterns, symmetric with respect to the system axis. This transition is a subcritical pitchfork bifurcation for short range interactions. As a consequence, the homogeneous zigzag pattern is unstable in a finite zigzag amplitude range [hC 1,hC 2] . We exhibit strong qualitative effects of the subcriticality on the thermal motions of the particles. When the zigzag amplitude is close enough to the limits hC 1 and hC 2, a transverse vibrational soft mode occurs which induces a strongly subdiffusive behavior of the transverse fluctuations, similar to single-file diffusion. On the contrary, the longitudinal fluctuations are enhanced, with a diffusion coefficient which is more than doubled. Conversely, a simple measurement of the thermal fluctuations allows a precise determination of the bifurcation thresholds.

Cleaning Effectiveness of a Reciprocating Single-file and a Conventional Rotary Instrumentation System.

Science.gov (United States)

de Carvalho, Fredson Marcio Acris; Gonçalves, Leonardo Cantanhede de Oliveira; Marques, André Augusto Franco; Alves, Vanessa; Bueno, Carlos Eduardo da Silveira; De Martin, Alexandre Sigrist

2016-01-01

To compare cleaning effectiveness by histological analysis of a reciprocating single-file system with ProTaper rotary instruments during the preparation of curved root canals in extracted teeth. A total of 40 root canals with curvatures ranging between 20 - 40 degrees were divided into two groups of 20 canals. Canals were prepared to the following apical sizes: Reciproc size 25 (n=20); ProTaper: F2 (n=20). The normal distribution of data was tested by the Kolmogorov-Smirnov test and the values obtained for the test (Mann-Whitney U test, P .05) between the two groups. The application of reciprocating motion during instrumentation did not result in increased debris when compared with continuous rotation motion, even in the apical part of curved canals. Both instruments resulted in debris in the canal lumen, irrespective of the movement kinematics applied.

Building a parallel file system simulator

International Nuclear Information System (INIS)

Molina-Estolano, E; Maltzahn, C; Brandt, S A; Bent, J

2009-01-01

Parallel file systems are gaining in popularity in high-end computing centers as well as commercial data centers. High-end computing systems are expected to scale exponentially and to pose new challenges to their storage scalability in terms of cost and power. To address these challenges scientists and file system designers will need a thorough understanding of the design space of parallel file systems. Yet there exist few systematic studies of parallel file system behavior at petabyte- and exabyte scale. An important reason is the significant cost of getting access to large-scale hardware to test parallel file systems. To contribute to this understanding we are building a parallel file system simulator that can simulate parallel file systems at very large scale. Our goal is to simulate petabyte-scale parallel file systems on a small cluster or even a single machine in reasonable time and fidelity. With this simulator, file system experts will be able to tune existing file systems for specific workloads, scientists and file system deployment engineers will be able to better communicate workload requirements, file system designers and researchers will be able to try out design alternatives and innovations at scale, and instructors will be able to study very large-scale parallel file system behavior in the class room. In this paper we describe our approach and provide preliminary results that are encouraging both in terms of fidelity and simulation scalability.

Direct photon production and PDF fits reloaded

NARCIS (Netherlands)

Campbell, John M.; Rojo, Juan; Slade, Emma; Williams, Ciaran

2018-01-01

Direct photon production in hadronic collisions provides a handle on the gluon PDF by means of the QCD Compton scattering process. In this work we revisit the impact of direct photon production on a global PDF analysis, motivated by the recent availability of the next-to-next-to-leading (NNLO)

ERX: a software for editing files containing X-ray spectra to be used in exposure computational models

International Nuclear Information System (INIS)

Cabral, Manuela O.M.; Vieira, Jose W.; Silva, Alysson G.; Leal Neto, Viriato; Oliveira, Alex C.H.; Lima, Fernando R.A.

2011-01-01

Exposure Computational Models (ECMs) are utilities that simulate situations in which occurs irradiation in a given environment. An ECM is composed primarily by an anthropomorphic model (phantom), and a Monte Carlo code (MC). This paper presents a tutorial of the software Espectro de Raios-X (ERX). This software performs reading and numerical and graphical analysis of text files containing diagnostic X-ray spectra for use in algorithms of radioactive sources in the ECMs of a Grupo de Dosimetria Numerica. The ERX allows the user to select one among several X-ray spectrums in the energy range Diagnostic radiology X-Ray most commonly used in radiology clinics. In the current version of the ERX there are two types of input files: the contained in mspectra.dat file and the resulting of MC simulations in Geant4. The software allows the construction of charts of the Probability Density Function (PDF) and Cumulative Distribution Function (CDF) of a selected spectrum as well as the table with the values of these functions and the spectrum. In addition, the ERX allows the user to make comparative analysis between the PDF graphics of the two catalogs of spectra available, besides being can perform dosimetric evaluations with the selected spectrum. A software of this kind is an important computational tool for researchers in numerical dosimetry because of the diversity of Diagnostic radiology X-Ray machines, which implies in a mass of input data highly diverse. And because of this, the ERX provides independence to the group related to the data origin that is contained in the catalogs created, not being necessary to resort to others. (author)

New frontiers in PDF determination

CERN Multimedia

CERN. Geneva

2016-01-01

Parton Distribution Functions (PDFs) are a crucial input at the LHC, their uncertainty often being the limiting factor in the accuracy of theoretical predictions. At the same time the LHC is delivering a number of precise measurements that have the potential to greatly constrain these functions. I will give an overview on the theory behind and on the state of the art of PDF determination. I will then mention the new theoretical and methodological challenges in modern PDF fits and explore the precision frontiers opened by the accuracy of the LHC data.

Tuning HDF5 subfiling performance on parallel file systems

Energy Technology Data Exchange (ETDEWEB)

Byna, Suren [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Chaarawi, Mohamad [Intel Corp. (United States); Koziol, Quincey [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Mainzer, John [The HDF Group (United States); Willmore, Frank [The HDF Group (United States)

2017-05-12

Subfiling is a technique used on parallel file systems to reduce locking and contention issues when multiple compute nodes interact with the same storage target node. Subfiling provides a compromise between the single shared file approach that instigates the lock contention problems on parallel file systems and having one file per process, which results in generating a massive and unmanageable number of files. In this paper, we evaluate and tune the performance of recently implemented subfiling feature in HDF5. In specific, we explain the implementation strategy of subfiling feature in HDF5, provide examples of using the feature, and evaluate and tune parallel I/O performance of this feature with parallel file systems of the Cray XC40 system at NERSC (Cori) that include a burst buffer storage and a Lustre disk-based storage. We also evaluate I/O performance on the Cray XC30 system, Edison, at NERSC. Our results show performance benefits of 1.2X to 6X performance advantage with subfiling compared to writing a single shared HDF5 file. We present our exploration of configurations, such as the number of subfiles and the number of Lustre storage targets to storing files, as optimization parameters to obtain superior I/O performance. Based on this exploration, we discuss recommendations for achieving good I/O performance as well as limitations with using the subfiling feature.

Mighty vulture back from near extinction | Nickerson | Vulture News

African Journals Online (AJOL)

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California condors spotted nesting in Big Spur | San Hose Mercury ...

African Journals Online (AJOL)

Journal Home > Vol 55 (2006) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register · Download this PDF file. The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).

Fulltext PDF

Indian Academy of Sciences (India)

Admin

B ackground. T he sub-title of this article is borrow ed from tw o dis- ..... theory w hich so starkly opposed the B iblicalversion of creation. A second .... R eca p itu la - tion and C onclusion, sum m arises the thesis { w hich, in ...... Education, 2002; http://www.muslimheritage.com/uploads/ibnsina.pdf) for an early example of ...

Polymer Applications in Agriculture | Ekebafe | Biokemistri

African Journals Online (AJOL)

Journal Home > Vol 23, No 2 (2011) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register · Download this PDF file. The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat ...

Is operations research really research? | Manson | ORiON

African Journals Online (AJOL)

Journal Home > Vol 22, No 2 (2006) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register · Download this PDF file. The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat ...

Nanoparticles - A review | Mohanraj | Tropical Journal of ...

African Journals Online (AJOL)

Journal Home > Vol 5, No 1 (2006) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register · Download this PDF file. The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat ...

AsteriX: a Web server to automatically extract ligand coordinates from figures in PDF articles.

Science.gov (United States)

Lounnas, V; Vriend, G

2012-02-27

Coordinates describing the chemical structures of small molecules that are potential ligands for pharmaceutical targets are used at many stages of the drug design process. The coordinates of the vast majority of ligands can be obtained from either publicly accessible or commercial databases. However, interesting ligands sometimes are only available from the scientific literature, in which case their coordinates need to be reconstructed manually--a process that consists of a series of time-consuming steps. We present a Web server that helps reconstruct the three-dimensional (3D) coordinates of ligands for which a two-dimensional (2D) picture is available in a PDF file. The software, called AsteriX, analyses every picture contained in the PDF file and attempts to determine automatically whether or not it contains ligands. Areas in pictures that may contain molecular structures are processed to extract connectivity and atom type information that allow coordinates to be subsequently reconstructed. The AsteriX Web server was tested on a series of articles containing a large diversity in graphical representations. In total, 88% of 3249 ligand structures present in the test set were identified as chemical diagrams. Of these, about half were interpreted correctly as 3D structures, and a further one-third required only minor manual corrections. It is principally impossible to always correctly reconstruct 3D coordinates from pictures because there are many different protocols for drawing a 2D image of a ligand, but more importantly a wide variety of semantic annotations are possible. The AsteriX Web server therefore includes facilities that allow the users to augment partial or partially correct 3D reconstructions. All 3D reconstructions are submitted, checked, and corrected by the users domain at the server and are freely available for everybody. The coordinates of the reconstructed ligands are made available in a series of formats commonly used in drug design research. The

Virtual file system for PSDS

Science.gov (United States)

Runnels, Tyson D.

1993-01-01

This is a case study. It deals with the use of a 'virtual file system' (VFS) for Boeing's UNIX-based Product Standards Data System (PSDS). One of the objectives of PSDS is to store digital standards documents. The file-storage requirements are that the files must be rapidly accessible, stored for long periods of time - as though they were paper, protected from disaster, and accumulative to about 80 billion characters (80 gigabytes). This volume of data will be approached in the first two years of the project's operation. The approach chosen is to install a hierarchical file migration system using optical disk cartridges. Files are migrated from high-performance media to lower performance optical media based on a least-frequency-used algorithm. The optical media are less expensive per character stored and are removable. Vital statistics about the removable optical disk cartridges are maintained in a database. The assembly of hardware and software acts as a single virtual file system transparent to the PSDS user. The files are copied to 'backup-and-recover' media whose vital statistics are also stored in the database. Seventeen months into operation, PSDS is storing 49 gigabytes. A number of operational and performance problems were overcome. Costs are under control. New and/or alternative uses for the VFS are being considered.

Fulltext PDF

Indian Academy of Sciences (India)

Sandeep M., Sun F., Liu F., Li J., David P. B. and Yue G. H. 2012 Novel polymorphic microsatellites from Florida red tilapia and cross- species amplification in Mozambique and Nile tilapia. J. Genet. 91, e97–e99. Online only: http://www.ias.ac.in/jgenet/OnlineResources/. 91/e97.pdf. Xin C., Yu D., Peng J., Hu H., Xing Y. and ...

Application of PDF methods to compressible turbulent flows

Science.gov (United States)

Delarue, B. J.; Pope, S. B.

1997-09-01

A particle method applying the probability density function (PDF) approach to turbulent compressible flows is presented. The method is applied to several turbulent flows, including the compressible mixing layer, and good agreement is obtained with experimental data. The PDF equation is solved using a Lagrangian/Monte Carlo method. To accurately account for the effects of compressibility on the flow, the velocity PDF formulation is extended to include thermodynamic variables such as the pressure and the internal energy. The mean pressure, the determination of which has been the object of active research over the last few years, is obtained directly from the particle properties. It is therefore not necessary to link the PDF solver with a finite-volume type solver. The stochastic differential equations (SDE) which model the evolution of particle properties are based on existing second-order closures for compressible turbulence, limited in application to low turbulent Mach number flows. Tests are conducted in decaying isotropic turbulence to compare the performances of the PDF method with the Reynolds-stress closures from which it is derived, and in homogeneous shear flows, at which stage comparison with direct numerical simulation (DNS) data is conducted. The model is then applied to the plane compressible mixing layer, reproducing the well-known decrease in the spreading rate with increasing compressibility. It must be emphasized that the goal of this paper is not as much to assess the performance of models of compressibility effects, as it is to present an innovative and consistent PDF formulation designed for turbulent inhomogeneous compressible flows, with the aim of extending it further to deal with supersonic reacting flows.

MySQL/PHP web database applications for IPAC proposal submission

Science.gov (United States)

Crane, Megan K.; Storrie-Lombardi, Lisa J.; Silbermann, Nancy A.; Rebull, Luisa M.

2008-07-01

The Infrared Processing and Analysis Center (IPAC) is NASA's multi-mission center of expertise for long-wavelength astrophysics. Proposals for various IPAC missions and programs are ingested via MySQL/PHP web database applications. Proposers use web forms to enter coversheet information and upload PDF files related to the proposal. Upon proposal submission, a unique directory is created on the webserver into which all of the uploaded files are placed. The coversheet information is converted into a PDF file using a PHP extension called FPDF. The files are concatenated into one PDF file using the command-line tool pdftk and then forwarded to the review committee. This work was performed at the California Institute of Technology under contract to the National Aeronautics and Space Administration.

Pressure algorithm for elliptic flow calculations with the PDF method

Science.gov (United States)

Anand, M. S.; Pope, S. B.; Mongia, H. C.

1991-01-01

An algorithm to determine the mean pressure field for elliptic flow calculations with the probability density function (PDF) method is developed and applied. The PDF method is a most promising approach for the computation of turbulent reacting flows. Previous computations of elliptic flows with the method were in conjunction with conventional finite volume based calculations that provided the mean pressure field. The algorithm developed and described here permits the mean pressure field to be determined within the PDF calculations. The PDF method incorporating the pressure algorithm is applied to the flow past a backward-facing step. The results are in good agreement with data for the reattachment length, mean velocities, and turbulence quantities including triple correlations.

A multi-scalar PDF approach for LES of turbulent spray combustion

Science.gov (United States)

Raman, Venkat; Heye, Colin

2011-11-01

A comprehensive joint-scalar probability density function (PDF) approach is proposed for large eddy simulation (LES) of turbulent spray combustion and tests are conducted to analyze the validity and modeling requirements. The PDF method has the advantage that the chemical source term appears closed but requires models for the small scale mixing process. A stable and consistent numerical algorithm for the LES/PDF approach is presented. To understand the modeling issues in the PDF method, direct numerical simulation of a spray flame at three different fuel droplet Stokes numbers and an equivalent gaseous flame are carried out. Assumptions in closing the subfilter conditional diffusion term in the filtered PDF transport equation are evaluated for various model forms. In addition, the validity of evaporation rate models in high Stokes number flows is analyzed.

Radiological reporting system developed with FileMakerPro. Cooperation with HIS, RIS, and PACS

International Nuclear Information System (INIS)

Kawakami, Satoshi

2004-01-01

This article briefly describes our original radiological reporting system. This system was developed with the widely used database software FileMakerPro (ver 5.5). The reporting system can obtain information about patients and examinations from a radiology information system (RIS) by the Open DataBase Connectivity (ODBC) technique. By clicking the button on the reporting system, the corresponding Digital Imaging and Communications in Medicine (DICOM) images can be displayed on a picture archiving and communication system (PACS) workstation monitor. Reference images in JPEG format can be easily moved from PACS to the reporting system. Reports produced by the reporting system are distributed to the hospital information system (HIS) in Portable Document Format (PDF), through another web server. By utilizing the capacity of FileMakerPro, the human-machine interface of the system has been able to be improved easily. In addition, cooperation with HIS, RIS, and PACS could be constructed. Therefore, this original system would contribute to increasing the efficiency of radiological diagnosis. (author)

Efficiency of the Self Adjusting File, WaveOne, Reciproc, ProTaper and hand files in root canal debridement.

Science.gov (United States)

Topcu, K Meltem; Karatas, Ertugrul; Ozsu, Damla; Ersoy, Ibrahim

2014-07-01

The aim of this study was to compare the canal debridement capabilities of three single file systems, ProTaper, and K-files in oval-shaped canals. Seventy-five extracted human mandibular central incisors with oval-shaped root canals were selected. A radiopaque contrast medium (Metapex; Meta Biomed Co. Ltd., Chungcheongbuk-do, Korea) was introduced into the canal systems and the self-adjusting file (SAF), WaveOne, Reciproc, ProTaper, and K-files were used for the instrumentation of the canals. The percentage of removed contrast medium was calculated using pre- and post-operative radiographs. An overall comparison between the groups revealed that the hand file (HF) and SAF groups presented the lowest percentage of removed contrast medium, whereas the WaveOne group showed the highest percentage (P ProTaper group removed more contrast medium than the SAF and HF groups (P < 0.05). None of the instruments was able to remove the contrast medium completely. WaveOne performed significantly better than other groups.

View PDF file

Indian Academy of Sciences (India)

Subhra Chakarobarty

O 125 million children under five years are stunted in their growth. O Micronutrient deficiency affects an estimated 2 billion people while one billion people suffers from obesity. ..... Ministry of Science & Technology. Government of India. NO POR.

A compression algorithm for the combination of PDF sets

NARCIS (Netherlands)

Carrazza, Stefano; Latorre, Jose I.; Rojo, Juan; Watt, Graeme

2015-01-01

The current PDF4LHC recommendation to estimate uncertainties due to parton distribution functions (PDFs) in theoretical predictions for LHC processes involves the combination of separate predictions computed using PDF sets from different groups, each of which comprises a relatively large number of

PDF Modeling of Turbulent Combustion

National Research Council Canada - National Science Library

Pope, Stephen B

2006-01-01

.... The PDF approach to turbulent combustion has the advantages of fully representing the turbulent fluctuations of species and temperature, and of allowing realistic combustion chemistry to be implemented...

TENCompetence Domain Model

NARCIS (Netherlands)

2006-01-01

This is the version 1.1 of the TENCompetence Domain Model (version 1.0 released at 19-6-2006; version 1.1 at 9-11-2008). It contains several files: a) a pdf with the model description, b) three jpg files with class models (also in the pdf), c) a MagicDraw zip file with the model itself, d) a release

A Document-Based EHR System That Controls the Disclosure of Clinical Documents Using an Access Control List File Based on the HL7 CDA Header.

Science.gov (United States)

Takeda, Toshihiro; Ueda, Kanayo; Nakagawa, Akito; Manabe, Shirou; Okada, Katsuki; Mihara, Naoki; Matsumura, Yasushi

2017-01-01

Electronic health record (EHR) systems are necessary for the sharing of medical information between care delivery organizations (CDOs). We developed a document-based EHR system in which all of the PDF documents that are stored in our electronic medical record system can be disclosed to selected target CDOs. An access control list (ACL) file was designed based on the HL7 CDA header to manage the information that is disclosed.

Automatic storage of single gamma spectra on magnetic tape. Programs Longo, Dire

International Nuclear Information System (INIS)

Los Arcos Merino, J.M.

1978-01-01

The program Longo provides the block size and the black number in a binary file on magnetic tape. It has been applied to analyse the structure of the nine-track magnetic tapes storing single or coincidence gamma spectra files, recorded in octet form by a Multi-8 minicomputer in the Nuclear Spectrometry Laboratory of J.E.N. Then the program Dire has been written to transform the single gamma spectra into a new Fastrand disk file, storing the information in 36 bit words. A copy of this file is obtained on magnetic tape and the single gamma spectra are then availables by standard Fortran V reading sentences. (author)

Automatic storing of single gamma spectra on magnetic tape. Programs LONGO, DIRE

International Nuclear Information System (INIS)

Los Arcos Merino, J. M.

1978-01-01

The program LONGO provides the block size and the block number in a binary file on magnetic tape. It has been applied to analyse the structure of the nine-track magnetic tapes storing single or coincidence gamma spectra files, recorded in octet form by a MULTI-8 minicomputer in the Nuclear Spectrometry Laboratory of J.E.N. Then the program DIRE has been written to transform the single gamma spectra into a new FASTRAND disk file, storing the information in-36 bit words. A copy of this file is obtained on magnetic tape and the single gamma spectra are then available by standard FORTRAN V reading sentences. (Author) 3 refs

Wear of the Primary WaveOne single file when shaping vestibular root canals of first maxillary molar.

Science.gov (United States)

Aracena, Daniel; Borie, Eduardo; Betancourt, Pablo; Aracena, Angella; Guzmán, Mario

2017-03-01

It is very important for a clinician to know the increased wear of mechanized files when establishing endodontic therapy. The aim of this study was to check the wear of the Primary WaveOne file upon shaping two, four and six maxillary molar vestibular canals. The deterioration of 40 files, divided into four groups, was evaluated microscopically: group 1, control (unused); group 2, two canals; group 3, four canals; and group 4, six canals. After instrumentation, the files were embedded in resin and sectioned at their apical third into three equal parts. To analyze the wear of edges in the different sections, AutoCAD software was used and analysis of variance (ANOVA) was then performed to compare the mean rake angles. The files with two and four uses showed slight wear, whereas those with six applications showed significant wear ( p <0.05). Primary WaveOne files can be used in up to four root canals without their edges losing effectiveness. Key words: Files wear, reciprocating motion, shaping capacity, WaveOne.

PDF approach for turbulent scalar field: Some recent developments

Science.gov (United States)

Gao, Feng

1993-01-01

The probability density function (PDF) method has been proven a very useful approach in turbulence research. It has been particularly effective in simulating turbulent reacting flows and in studying some detailed statistical properties generated by a turbulent field There are, however, some important questions that have yet to be answered in PDF studies. Our efforts in the past year have been focused on two areas. First, a simple mixing model suitable for Monte Carlo simulations has been developed based on the mapping closure. Secondly, the mechanism of turbulent transport has been analyzed in order to understand the recently observed abnormal PDF's of turbulent temperature fields generated by linear heat sources.

The validity of multiphase DNS initialized on the basis of single--point statistics

Science.gov (United States)

Subramaniam, Shankar

1999-11-01

A study of the point--process statistical representation of a spray reveals that single--point statistical information contained in the droplet distribution function (ddf) is related to a sequence of single surrogate--droplet pdf's, which are in general different from the physical single--droplet pdf's. The results of this study have important consequences for the initialization and evolution of direct numerical simulations (DNS) of multiphase flows, which are usually initialized on the basis of single--point statistics such as the average number density in physical space. If multiphase DNS are initialized in this way, this implies that even the initial representation contains certain implicit assumptions concerning the complete ensemble of realizations, which are invalid for general multiphase flows. Also the evolution of a DNS initialized in this manner is shown to be valid only if an as yet unproven commutation hypothesis holds true. Therefore, it is questionable to what extent DNS that are initialized in this manner constitute a direct simulation of the physical droplets.

Novel algorithm and MATLAB-based program for automated power law analysis of single particle, time-dependent mean-square displacement

Science.gov (United States)

Umansky, Moti; Weihs, Daphne

2012-08-01

should also be backwards compatible. Symbolic Math Toolboxes (5.5) is required. The Curve Fitting Toolbox (3.0) is recommended. Computer: Tested on Windows only, yet should work on any computer running MATLAB. In Windows 7, should be used as administrator, if the user is not the administrator the program may not be able to save outputs and temporary outputs to all locations. Operating system: Any supporting MATLAB (MathWorks Inc.) v7.11 / 2010b or higher. Supplementary material: Sample output files (approx. 30 MBytes) are available. Classification: 12 External routines: Several MATLAB subfunctions (m-files), freely available on the web, were used as part of and included in, this code: count, NaN suite, parseArgs, roundsd, subaxis, wcov, wmean, and the executable pdfTK.exe. Nature of problem: In many physical and biophysical areas employing single-particle tracking, having the time-dependent power-laws governing the time-averaged meansquare displacement (MSD) of a single particle is crucial. Those power laws determine the mode-of-motion and hint at the underlying mechanisms driving motion. Accurate determination of the power laws that describe each trajectory will allow categorization into groups for further analysis of single trajectories or ensemble analysis, e.g. ensemble and time-averaged MSD. Solution method: The algorithm in the provided program automatically analyzes and fits time-dependent power laws to single particle trajectories, then group particles according to user defined cutoffs. It accepts time-dependent trajectories of several particles, each trajectory is run through the program, its time-averaged MSD is calculated, and power laws are determined in regions where the MSD is linear on a log-log scale. Our algorithm searches for high-curvature points in experimental data, here time-dependent MSD. Those serve as anchor points for determining the ranges of the power-law fits. Power-law scaling is then accurately determined and error estimations of the

A comprehensive tool to analyse dynamic log files from an Elekta-Synergy accelerator

International Nuclear Information System (INIS)

Arumugam, Sankar; Xing, Aitang; Holloway, Lois; Pagulayan, Claire

2014-01-01

This study presents the development of a software tool 'Treat Check' to analyse the dynamic log files from an Elekta – Synergy accelerator. The software generates formatted output in the form of a plot presenting errors in various treatment delivery parameters such as gantry angle, Multi Leaf Collimator (MLC) leaf position, jaw position and Monitor Units (MU) for each of the control-points (CP) of the treatment beam. The plots are automatically saved in Portable Document Format (pdf). The software also has the functionality to introduce these treatment delivery errors into the original plan in the Pinnacle (Philips) treatment planning system (TPS) in order to assess the clinical impact of treatment delivery errors on delivered dose.

Reading the Stories of Teaching and Learning—ISSOTL 2016 Opening Keynote

Directory of Open Access Journals (Sweden)

Karen Manarin

2017-03-01

This article includes an embedded audio file from YouTube. To listen to the file linked from within the PDF, download the PDF and click the links. If you stay within the preview page, you'll have to right-click the links and open them in a new window.

77 FR 35947 - Applications for New Awards; Arts in Education National Program

Science.gov (United States)

2012-06-15

...: Office of Innovation and Improvement, Department of Education. ACTION: Notice. Overview Information; Arts... priority. This priority is: Model Projects. One or more high-quality projects that are designed to develop... interactive or fillable PDF file. If you upload a file type other than a read-only, non-modifiable PDF or...

Direct photon production and PDF fits reloaded

Energy Technology Data Exchange (ETDEWEB)

Campbell, John M.; Rojo, Juan; Slade, Emma; Williams, Ciaran

2018-02-08

Direct photon production in hadronic collisions provides a handle on the gluon PDF by means of the QCD Compton scattering process. In this work we revisit the impact of direct photon production on a global PDF analysis, motivated by the recent availability of the next-to-next-to-leading (NNLO) calculation for this process. We demonstrate that the inclusion of NNLO QCD and leading-logarithmic electroweak corrections leads to a good quantitative agreement with the ATLAS measurements at 8 TeV and 13 TeV, except for the most forward rapidity region in the former case. By including the ATLAS 8 TeV direct photon production data in the NNPDF3.1 NNLO global analysis, we assess its impact on the medium-x gluon. We also study the constraining power of the direct photon production measurements on PDF fits based on different datasets, in particular on the NNPDF3.1 no-LHC and collider-only fits. We also present updated NNLO theoretical predictions for direct photon production at 13 TeV that include the constraints from the 8 TeV measurements.

RNA secondary structure image - fRNAdb | LSDB Archive [Life Science Database Archive metadata

Lifescience Database Archive (English)

Full Text Available List Contact us fRNAdb RNA secondary structure image Data detail Data name RNA secondary structure image DOI... 10.18908/lsdba.nbdc00452-005 Description of data contents RNA secondary structure images - png.zip: RNA secondary structure image...s (PNG) - pdf.zip: RNA secondary structure images (PDF) - thumbnail.zip: Thumbnails of... RNA secondary structure images Data file File name: RNA_secondary_structure_image... File URL: ftp://ftp.biosciencedbc.jp/archive/frnadb/LATEST/RNA_secondary_structure_image File size: 9.6 GB

A time dependent mixing model to close PDF equations for transport in heterogeneous aquifers

Science.gov (United States)

Schüler, L.; Suciu, N.; Knabner, P.; Attinger, S.

2016-10-01

Probability density function (PDF) methods are a promising alternative to predicting the transport of solutes in groundwater under uncertainty. They make it possible to derive the evolution equations of the mean concentration and the concentration variance, used in moment methods. The mixing model, describing the transport of the PDF in concentration space, is essential for both methods. Finding a satisfactory mixing model is still an open question and due to the rather elaborate PDF methods, a difficult undertaking. Both the PDF equation and the concentration variance equation depend on the same mixing model. This connection is used to find and test an improved mixing model for the much easier to handle concentration variance. Subsequently, this mixing model is transferred to the PDF equation and tested. The newly proposed mixing model yields significantly improved results for both variance modelling and PDF modelling.

A Lagrangian mixing frequency model for transported PDF modeling

Science.gov (United States)

Turkeri, Hasret; Zhao, Xinyu

2017-11-01

In this study, a Lagrangian mixing frequency model is proposed for molecular mixing models within the framework of transported probability density function (PDF) methods. The model is based on the dissipations of mixture fraction and progress variables obtained from Lagrangian particles in PDF methods. The new model is proposed as a remedy to the difficulty in choosing the optimal model constant parameters when using conventional mixing frequency models. The model is implemented in combination with the Interaction by exchange with the mean (IEM) mixing model. The performance of the new model is examined by performing simulations of Sandia Flame D and the turbulent premixed flame from the Cambridge stratified flame series. The simulations are performed using the pdfFOAM solver which is a LES/PDF solver developed entirely in OpenFOAM. A 16-species reduced mechanism is used to represent methane/air combustion, and in situ adaptive tabulation is employed to accelerate the finite-rate chemistry calculations. The results are compared with experimental measurements as well as with the results obtained using conventional mixing frequency models. Dynamic mixing frequencies are predicted using the new model without solving additional transport equations, and good agreement with experimental data is observed.

78 FR 28839 - ECOsponsible, Incorporated; Notice of Preliminary Permit Application Accepted for Filing and...

Science.gov (United States)

2013-05-16

...-foot-long stone and concrete gravity dam; (2) a single, proposed, low-head, horizontal bulb turbine... be paper-filed. To paper-file, mail an original and five copies to: Kimberly D. Bose, Secretary...

Decay data file based on the ENSDF file

Energy Technology Data Exchange (ETDEWEB)

Katakura, J. [Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Tokai Research Establishment

1997-03-01

A decay data file with the JENDL (Japanese Evaluated Nuclear Data Library) format based on the ENSDF (Evaluated Nuclear Structure Data File) file was produced as a tentative one of special purpose files of JENDL. The problem using the ENSDF file as primary source data of the JENDL decay data file is presented. (author)

IT Department User Survey PDF Usage Report

CERN Document Server

Jones, Pete

2017-01-01

During 2016 the IT-CDA group carried out a study of IT users and their working environments and habits with the aim of understanding the user community better. This project involved interviews with users from different working backgrounds and an online survey containing questions of user devices and software preferences. A section of the questions was aimed at understanding how people handle PDF documents and this note analyses the responses to these. This analysis will help IT-CDA to better understand the PDF requirements and so help us to improve the services that rely on these documents.

Don't Let Measles Be Your Travel Souvenir

Science.gov (United States)

... who have never had measles should be vaccinated. International Travel and Measles Traveling abroad for spring or ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Signs and Symptoms for Hantavirus Pulmonary Syndrome (HPS)

Science.gov (United States)

... hips, back, and sometimes shoulders. These symptoms are universal. There may also be headaches, dizziness, chills, and ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Hot Tub Rash (Pseudomonas Dermatitis/Folliculitis)

Science.gov (United States)

... Swimmers Make a Healthy Splash! Mobile Apps Podcasts Posters Social Media Library Stories Videos/TV Partner Materials ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Prevent Opioid Misuse

Science.gov (United States)

... for Providers Guideline Overview Guideline Resources Clinical Tools Posters Videos Mobile App Training for Providers Interactive Training ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Ebola (Ebola Virus Disease): Signs and Symptoms

Science.gov (United States)

... Exposure Communication Resources Videos Audio Infographics & Illustrations Factsheets Posters Virus Ecology Graphic Signs and Symptoms Recommend on ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Fetal Alcohol Spectrum Disorders (FASDs)

Science.gov (United States)

... Articles & Key Findings Materials & Multimedia Fact Sheets & Brochures Posters & Print Ads Infographics 5 Steps for Alcohol Screening ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Understanding the Opioid Epidemic

Science.gov (United States)

... for Providers Guideline Overview Guideline Resources Clinical Tools Posters Videos Mobile App Training for Providers Interactive Training ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

BCG (Bacille Calmette-Guerin) Vaccine

Science.gov (United States)

... Regimen for Latent TB Infection-Patient Education Brochure Posters Mantoux Tuberculin Skin Test Wall Chart World TB ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Chronic Diarrhea

Science.gov (United States)

... Statistics Health Promotion Materials Campaigns Fact Sheets Podcasts Posters Presentations Social Media Stickers Videos/TV Newsroom, Features, ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Photos of MRSA Infections

Science.gov (United States)

... and Team Healthcare Providers Prevention Information and Advice Posters for the Athletic Community General MRSA Information and ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Fetal Alcohol Spectrum Disorders (FASDs): Diagnosis

Science.gov (United States)

... Articles & Key Findings Materials & Multimedia Fact Sheets & Brochures Posters & Print Ads Infographics 5 Steps for Alcohol Screening ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

HIV among Gay and Bisexual Men

Science.gov (United States)

... Morbidity and Mortality Weekly Reports Slide Sets Infographics/Posters Dear Colleague Letters Social Media Videos Software Syndicated ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

HIV among Women

Science.gov (United States)

... Morbidity and Mortality Weekly Reports Slide Sets Infographics/Posters Dear Colleague Letters Social Media Videos Software Syndicated ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

TB in Children in the United States

Science.gov (United States)

... Regimen for Latent TB Infection-Patient Education Brochure Posters Mantoux Tuberculin Skin Test Wall Chart World TB ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

New Recommendations for Mefloquine Use in Pregnancy

Science.gov (United States)

... Public Health Case Study #2 Fact Sheets and Posters For Kids Education and Training External Links Parasitic ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Fentanyl

Science.gov (United States)

... for Providers Guideline Overview Guideline Resources Clinical Tools Posters Videos Mobile App Training for Providers Interactive Training ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

HIV Among Asians

Science.gov (United States)

... Morbidity and Mortality Weekly Reports Slide Sets Infographics/Posters Dear Colleague Letters Social Media Videos Software Syndicated ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

HIV among Transgender People

Science.gov (United States)

... Morbidity and Mortality Weekly Reports Slide Sets Infographics/Posters Dear Colleague Letters Social Media Videos Software Syndicated ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Variant (Swine Origin) Influenza Viruses in Humans

Science.gov (United States)

... and Pigs [1.3 MB, 2 pages] Educational Posters [389 KB, 1 page] Compendium of Measures to ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Tuberculosis: The Connection between TB and HIV (the AIDS Virus)

Science.gov (United States)

... Regimen for Latent TB Infection-Patient Education Brochure Posters Mantoux Tuberculin Skin Test Wall Chart World TB ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Research of Medication Use during Pregnancy

Science.gov (United States)

... Basics Research Findings by Health Condition Multimedia & Tools Posters and Fact Sheets 3 Things to Discuss with ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

HIV/AIDS among African Americans

Science.gov (United States)

... Morbidity and Mortality Weekly Reports Slide Sets Infographics/Posters Dear Colleague Letters Social Media Videos Software Syndicated ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

MRSA Prevention Information and Advice for Athletes

Science.gov (United States)

... and Team Healthcare Providers Prevention Information and Advice Posters for the Athletic Community General MRSA Information and ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Mobility as a feature: Evidence from Zulu* | Zeller | Stellenbosch ...

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Narrative impact: How stories change minds | Hoeken | Stellenbosch ...

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A Morphological Parser For Afrikaans | de Stadler | Stellenbosch ...

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Erratum: Erratum to: Journal of the Korean Physical Society, Vol. 71, No. 10

Science.gov (United States)

Shin, Dong Hee; Heo, Jin Hyuck; Im, Sang Hyuk; Lee, Rena; Kim, Kyubo; Cho, Samju; Lim, Sangwook; Lee, Suk; Shim, Jang Bo; Huh, Hyun Do; Lee, Sang Hoon; Ahn, Sohyun; Nobi, Ashadun; Lee, Jae Woo; Lim, Hyunwoo; Lee, Hunwoo; Cho, Hyosung; Seo, Changwoo; Je, Uikyu; Park, Chulkyu; Kim, Kyuseok; Kim, Guna; Park, Soyoung; Lee, Dongyeon; Kang, Seokyoon; Lee, Minsik; Cao, Jingtai; Zhao, Xiaohui; Li, Zhaokun; Liu, Wei; Gu, Haijun; Kang, In Ho; Na, Moon Kyong; Seok, Ogyun; Moon, Jeong Hyun; Kim, H. W.; Kim, Sang Cheol; Bahng, Wook; Kim, Nam Kyun; Park, Him-Chan; Yang, Chang Heon; Kim, Kyungil; Kim, Youngman; Lee, Kang Seog; Hong, Yoo-Seung; Cho, Chun-Hyung; Sung, Hyuk-Kee; Hyun, June-Won; Kim, Gang Bae; Lee, Ju Ho; Kim, Yeon Jung; Hwang, Seungjin; Jeong, Jihoon; Cho, Seryeyohan; Lee, Jongmin; Yu, Tae Jun; Lee, Kang Il; Lee, Geon Joon; Park, Gyungsoon; Choi, Eun Ha; Kim, Dong-Hwan; Jeong, Jun-Seok; Eom, Su-Keun; Lee, Jae-Gil; Seo, Kwang-Seok; Cha, Ho-Young; Ko, Young Joon; Kim, Hyun Soo; Jung, Jong Hoon; Jeong, Inho; Song, Hyunwook; Lee, B. C.; Jang, Hyunchul; Kim, Byongju; Koo, Sangmo; Park, Seran; Ko, Dae-Hong; Ahn, Kwang Jun; Cho, Sungwan; Kim, Sang Goon; Hong, Kimin; Shim, Seung-Bo; Jo, Myunglae; Cho, Sung Un; Park, Yun Daniel; Kim, Hee-Cheol; Kim, Seok

2017-12-01

Regrettably, due to a technical error during the production process, there were discrepancies in DOI of the mentioned articles between HTML and PDF files. The DOIs are correct in the PDF files but were incorrect in HTML. The original articles have been corrected. The Publisher apologizes for any inconvenience and confusion caused.

Waste management and the workplace | Theron | Law, Democracy ...

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The linguistic thought of J. R. Firth | Love | Stellenbosch Papers in ...

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The Acquisition of particles | Bennis | Stellenbosch Papers in ...

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PDF file encryption on mobile phone using super-encryption of Variably Modified Permutation Composition (VMPC) and two square cipher algorithm

Science.gov (United States)

Rachmawati, D.; Budiman, M. A.; Atika, F.

2018-03-01

Data security is becoming one of the most significant challenges in the digital world. Retrieval of data by unauthorized parties will result in harm to the owner of the data. PDF data are also susceptible to data security disorder. These things affect the security of the information. To solve the security problem, it needs a method to maintain the protection of the data, such as cryptography. In cryptography, several algorithms can encode data, one of them is Two Square Cipher algorithm which is a symmetric algorithm. At this research, Two Square Cipher algorithm has already developed into a 16 x 16 key aims to enter the various plaintexts. However, for more enhancement security it will be combined with the VMPC algorithm which is a symmetric algorithm. The combination of the two algorithms is called with the super-encryption. At this point, the data already can be stored on a mobile phone allowing users to secure data flexibly and can be accessed anywhere. The application of PDF document security on this research built by Android-platform. At this study will also calculate the complexity of algorithms and process time. Based on the test results the complexity of the algorithm is θ (n) for Two Square Cipher and θ (n) for VMPC algorithm, so the complexity of the super-encryption is also θ (n). VMPC algorithm processing time results quicker than on Two Square Cipher. And the processing time is directly proportional to the length of the plaintext and passwords.

PDF methods for turbulent reactive flows

Science.gov (United States)

Hsu, Andrew T.

1995-01-01

Viewgraphs are presented on computation of turbulent combustion, governing equations, closure problem, PDF modeling of turbulent reactive flows, validation cases, current projects, and collaboration with industry and technology transfer.

Parallel file system with metadata distributed across partitioned key-value store c

Science.gov (United States)

Bent, John M.; Faibish, Sorin; Grider, Gary; Torres, Aaron

2017-09-19

Improved techniques are provided for storing metadata associated with a plurality of sub-files associated with a single shared file in a parallel file system. The shared file is generated by a plurality of applications executing on a plurality of compute nodes. A compute node implements a Parallel Log Structured File System (PLFS) library to store at least one portion of the shared file generated by an application executing on the compute node and metadata for the at least one portion of the shared file on one or more object storage servers. The compute node is also configured to implement a partitioned data store for storing a partition of the metadata for the shared file, wherein the partitioned data store communicates with partitioned data stores on other compute nodes using a message passing interface. The partitioned data store can be implemented, for example, using Multidimensional Data Hashing Indexing Middleware (MDHIM).

African communalism and globalization | Etta | African Research ...

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Vectorcardiogram of the 'Man-Frog' | Skowron | South African ...

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Fingerprint Matching Using Minutiae Quadruplets | Iloanusi ...

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Generation Y's attitude towards organic wine | Hoekstra | Research ...

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Gouty arthritis: An approach for general practice | Tikly | South ...

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Effects of global warming on respiratory diseases | Tanimowo ...

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Retinal imaging with smartphone | Ademola-Popoola | Nigerian ...

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Iron(III) biosorption by Polyporus squamosus | Razmovski | African ...

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Radical irradiation for carcinoma of the prostate | Abratt | South ...

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Is there Avocado sunblotch Viroid in Ghana? | Acheampong | African ...

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Alcoholism and diabetes mellitus: Case report | Otieno | East African ...

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Anorexia nervosa in Kenya | Njenga | East African Medical Journal

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Children and Modern Day Slavery | Okpalaobi | African Research ...

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From trauma to resilience | Christensen | African Health Sciences

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Acute appendicitis in a Kenya rural hospital | Willmore | East African ...

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Dissection spontanée et isolée du tronc coeliaque | Mrad | Pan ...

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Sepsis in Africa: practical steps to stem the tide | Otu | Pan African ...

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Post-traumatic stress disorder: Case report | Nyamai | East African ...

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Collodion baby: A report of 4 cases | Obu | Nigerian Journal of ...

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Mid-Infrared Quantum Cascade Lasers | Edeagu | Nigerian Journal ...

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Enzymes used in detergents: Lipases | Hasan | African Journal of ...

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Treatment Options for Insomnia | Ramakrishnan | South African ...

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Awareness of Kidney Disorders in Nigeria | Alebiosu | African ...

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Pediatric ophthalmlogy and strabismus | Bekibele | Nigerian Journal ...

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Chronic kidney disease – the silent epidemic | Davids | Continuing ...

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Multiple sclerosis in South Africa | Modi | South African Medical ...

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Surgical consideration for benign bone tumors | Eyesan | Nigerian ...

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Hypospadias in a German Shepherd dog | Muhammad | Nigerian ...

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Cholera Epidemiology in Nigeria: an overview | Adagbada | Pan ...

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Stem Cell Research-Concept And Controversies | Kalu | Benin ...

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Pattern of Skin disorders across age groups | Ayanlowo | Research ...

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Oral hygiene practices and risk of oral leukoplakia | Macigo | East ...

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Exergetic Modelling of Oil-Fired Steam Boilers | Ohijeagbon ...

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Sarcome d'Ewing de localisation pétreuse | Lahiani | Pan African ...

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Carcinoma or Sarcoma of the Breast | Patnayak | Journal of Basic ...

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Primary breast sarcoma: case report | Hassan | East African Medical ...

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Kaposis sarcoma in a Nairobi Hospital | Onyango | East African ...

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Human Cryptosporidiosis: A Review | Ayuo | East African Medical ...

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Do vaginal lactobacilli prevent preterm labour? | Kotze | South ...

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A NEURO FUZZY MODEL FOR THE INVESTIGATION OF ...

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Effect of neuro-developmental therapy (NDT) on disability level of ...

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Eating disorders in black South African females | Szabo | South ...

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Peripheral gangrene in a case of severe dengue | Nair | Nigerian ...

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Cranial nerve palsies in Nigerian children | Eyong | Nigerian Journal ...

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Low Bit Rate Video Coding | Mishra | Nigerian Journal of Technology

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The patient who complains of erectile dysfunction | Levinson | South ...

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Towards a culture of maps appreciation in Ghana | Kofie | Ghana ...

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Spirometry of healthy adult South African men | Louw | South African ...

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Colorectal cancer screening | Schneider | Continuing Medical ...

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Adhesive intestinal obstruction | Kuremu | East African Medical Journal

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Aphasia, an acquired language disor | Schoeman | South African ...

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Mycology and spoilage of retail cashew nuts | Adebajo | African ...

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Breakfast Eating Habits among Medical Students | Ackuaku-Dogbe ...

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Legon at 60: New Directions for the Humanities | Oduyoye | Legon ...

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Eagle Hill, Kenya: changes over 60 years | Thomsett | Scopus ...

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Design of an Internet Based Security System | David | Nigerian ...

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The Nature Of Self-Employment In Urban Ethiopia | Haile | Ethiopian ...

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Factors that influence advertising design ideation | Usman ...

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Diagnosis and treatment of endometriosis | Mounsey | South African ...

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On The Solution Of N-Person Cooperative Games | Chigbu | Global ...

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The Role of Pharmacist in Dental Care Services | Kalala | Tanzania ...

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Ruptured uterus in a booked patient | Isah | Nigerian Journal of ...

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Modes of delivery assistance in Bangladesh | Rahman | Tanzania ...

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The fate of the barbs of Gumara River, Ethiopia | Ameha | SINET ...

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On the record: Professor Rachel Jewkes | Gould | South African ...

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Assessment of Reservoir Storage in a Semi-Arid Environment Using ...

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Development of a 5kw Francis Turbine Runner Using Computation ...

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Comparative Studies of Some Polypores Using High Performance ...

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Flat Foot II | Dommisse | South African Medical Journal

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Stochastic modelling inflation in Nigeria | Iwueze | Global Journal of ...

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Husserl, the Monad and Immortality | MacDonald | Indo-Pacific ...

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Chondrolipoma of the Breast: A Case Report | Mohammed ...

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Epidemiology of gunshot injuries in Kano, Nigeria | Mohammed ...

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The late administration of surfactant | Ballot | South African Medical ...

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Modern management of colorectal cancer | Baigrie | South African ...

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Nightmares and sleep terrors | Scribante | South African Family ...

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Depression in Kraepelinian schizophrenia | Naude | South African ...

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'n Roete deur die wêreld van Chomsky | Botha | Stellenbosch ...

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Wyle Prof H G Viljoen | Geyser | HTS Teologiese Studies ...

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Studies on arbuscular mycorrhisation of papaya | Khade | African ...

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Caffeine Content of Tea and Coffee | Kaplan | South African Medical ...

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Bone metastasis as the first sign of gastric cancer | Ameur | Pan ...

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Epidermolysis bullosa simplex: A case report | Peterside | Nigerian ...

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Flock-based surveillance for lowpathogenic avian influenza virus in ...

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The evaluation of domestic ducks as potential reservoir of avian ...

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Myxoma of the Jaw Bones: Analysis of 27 Cases | Ajike | Nigerian ...

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More about ... Immunology | Singh | Continuing Medical Education

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Hausa Language in Information and Communication Technology ...

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The application of Information and Communication Technology (ICT)

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Opinion: Autopsy practice in northern Nigeria | Malami | Nigerian ...

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Students Opinions on Autopsy and Death | De Villiers | South African ...

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Public Libraries and E-Government in Nigeria | Osuigwe ...

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Herpes simplex encephalitis | Ladapo | Nigerian Journal of Clinical ...

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Human group C rotaviruses identified in Kenya | Mwenda | East ...

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Africa in 2108: A Strategic Plan | wa Muiu | African Journal of ...

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Oral Manifestations of Menopause | Shigli | Journal of Basic and ...

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Effect of Water on Coal Strength | Singh | Momona Ethiopian Journal ...

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Palliative care; what do you really mean? | Mackriell | Malawi ...

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Palliative care in Salima district | Finch | Malawi Medical Journal

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Commentary - Cancer and palliative care | Chan | Malawi Medical ...

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Interview with two palliative care nurses | Crutchlow | Malawi ...

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Drama as a Cross-Curricula teaching method | Amooti R | Rwandan ...

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Task Shifting in HIV Clinics, Western Kenya | Kosgei | East African ...

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Buchi Emecheta: Beyond the Task and the Mask | Ajayi | UJAH ...

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Landsat Remote Sensing Data as an Alternative Approach for ...

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Ventilatory support of the newborn | Ahmed | Nigerian Journal of ...

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Dentistry for the underprivileged | Mosha | Tanzania Dental Journal

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AIDS in dentistry | Muya | Tanzania Dental Journal

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Editorial Fluorides in dentistry | Masalu | Tanzania Dental Journal

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Consent for care in dentistry | Rugarabamu | Tanzania Dental Journal

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Retinopathy of prematurity: a review | Ajibode | Nigerian Journal of ...

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Presumed Chloroquine Retinopathy in Ibadan | Ajayi | Nigerian ...

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Screening for diabetic retinopathy | Rice | Continuing Medical ...

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Diabetic Retinopathy in Nnewi, Nigeria | Nwosu | Nigerian Journal of ...

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Depression in the South African workplace | Stander | South African ...

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Editorial : Emerging issues of measles | Obimbo | East African ...

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Some opthalmological aspects of headache | Macgregor | South ...

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Tension type headaches: a review | Magazi | South African Family ...

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Migraine headaches in a nutshell | Schellack | South African Family ...

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Stray dog meat consumption and rabies | Wiwanitkit | African Health ...

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Field Handling and Anti-Rabies Vaccine Efficacy | Oladokun ...

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Lactic Acid Bacteria in Health and Disease | Ongol | Rwanda ...

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An approach to product selection for insomnia | Smith | South African ...

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Paediatric vaginal discharge | Makwela | South African Family Practice

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Neurosurgery In Nigeria - An Evaluation Of The Perception Of ...

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Persistence of attention deficit/ hyperactivity disorder into adulthood ...

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Alanine - Valine dynamics in pregnant rabbits | Emudianughe ...

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Harlequin color change in preterm infant | Hamida | Pan African ...

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Osseous metaplasia of the endometrium | van der Merwe | South ...

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Use and misuse of aspirin in rural Ethiopia | Duncan | East African ...

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Resilience among first responders | Pietrantoni | African Health ...

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Proton-pump inhibitors | Naidoo | South African Family Practice

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Chemical Meningitis with Intracranial Tumours | De Klerk | South ...

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Editoria: EBOLA: Fear of the unknown | Comoro | Tanzania Journal ...

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Ethnic Minority Problems in the Niger Delta | Quaker-Dokubo ...

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On-the-job training of clinical officers in Malawi | Jiskoot | Malawi ...

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Gilles de la Tourette's Syndrome- A Case Report | Adayonfo | Benin ...

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Psychiatry in Australia | Kaplan | South African Journal of Psychiatry

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Central nervous system tuberculosis | Cherian | African Health ...

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Quality use machines: Weighing SSRIs and TCAs | Gray | South ...

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Fournier's gangrene in the HIV era | Ngugi | African Health Sciences

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Cellular Scheduling of Batch Production Using | Onyeagoro ...

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Stochastic Fault Analysis of Balanced Systems | Ekwue | Nigerian ...

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Fault Detection Using the Zero Crossing Rate | Osuagwu | Nigerian ...

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Intimacy and HIV/Aids | Kasiram | South African Family Practice

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Sexuality in Nigerian older adults | Olatayo | Pan African Medical ...

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Giant vesical calculus | Laubscher | South African Medical Journal

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Triglyceride paradox in Nigerians living with HIV | Ayodele ...

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Ocular Tumours in Childhood | Pam | Nigerian Journal of Surgical ...

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The Mass Media and the Nigerian Society | Eboreime | Information ...

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Double cervix in a five-year-old white Fulami cow | Ajala | African ...

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First-episode psychosis: An update | Chiliza | South African Journal ...

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Erasmus, Syphilis and the abuse of stigma | Whitty | Malawi Medical ...

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Symbol recognition and interpretation of HIV/AIDS pictorial ...

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Syndrome de moelle bas attachée | Badaoui | Pan African Medical ...

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Intracerebral hemorrhage in children | Zidan | Alexandria Journal of ...

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Learning by Exporting or Self Selection? Which Way for the Kenyan ...

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Self-concept in overweight adolescents | Pisk | South African Journal ...

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Mobile Learning in Medical Education: Review | Walsh | Ethiopian ...

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Opalescence: Tooth Whitening Systems | Fischer | Tanzania Dental ...

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Ward Round - a boy with multiple joint swellings | Tickell | Malawi ...

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Takayasu's disease in a young black boy | Oguntona | Nigerian ...

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Pancreatic cancer in an 18-year-old boy | Kitara | African Health ...

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Cervical hibernoma in a two year old boy | Khattala | Pan African ...

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Thoracoscopy in undiagnosed pleural effusions | de Groot | South ...

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Yersinia enterocolitica in the Western Cape | Finlayson | South ...

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Biosafety regulations in Brazil | Sampaio | African Crop Science ...

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77 FR 69781 - Enhanced Natural Gas Market Transparency

Science.gov (United States)

2012-11-21

... be filed in native applications or print-to-PDF format and not in a scanned format, at http://www... daily and monthly indices reported by Platts and the daily indices reported by Natural Gas Intelligence... print-to-PDF format and not in a scanned format. Commenters filing electronically do not need to make a...

Het raadselspel als rituele handeling | Obbink | HTS Teologiese ...

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Brucellosis in childhood in the Western Cape | Hendricks | South ...

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Case Report: Ward Round - A football injury? | Freeman | Malawi ...

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Distraction-related road traffic collisions | Eid | African Health Sciences

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Ontwikkeling van het groepsrisico rond Schiphol, 1990-2010

NARCIS (Netherlands)

Post JG; Kooi ES; Weijts J; MNP; CEV

2005-01-01

In dit rapport zijn 6 bijlagen opgenomen die op de site als losse files te vinden zijn:
pdf" HREF="/bibliotheek/digitaaldepot/620100004_Bijlage_A.pdf">Bijlage A (61 kb)
pdf" HREF="/bibliotheek/digitaaldepot/620100004_Bijlage_B.pdf">Bijlage B (166 kb)

Measuring Physical Activity Intensity

Medline Plus

Full Text Available ... be able to say more than a few words without pausing for a breath. Absolute Intensity The ... site? Adobe PDF file Microsoft PowerPoint file Microsoft Word file Microsoft Excel file Audio/Video file Apple ...

Distributed fingerprint enhancement on a multicore cluster

CSIR Research Space (South Africa)

Khanyile, NP

2012-07-01

Full Text Available stream_source_info Khanyile1_2012.pdf.txt stream_content_type text/plain stream_size 36623 Content-Encoding ISO-8859-1 stream_name Khanyile1_2012.pdf.txt Content-Type text/plain; charset=ISO-8859-1 Distributed... access patterns, making file locking very inefficient. Locking a file region while using this type of partition ultimately locks the entire file, resulting in completely serialized I/O operations which renders MPI parallel I/O useless. Idle processors...

Edgeworth Expansion Based Model for the Convolutional Noise pdf

Directory of Open Access Journals (Sweden)

Yonatan Rivlin

2014-01-01

Full Text Available Recently, the Edgeworth expansion up to order 4 was used to represent the convolutional noise probability density function (pdf in the conditional expectation calculations where the source pdf was modeled with the maximum entropy density approximation technique. However, the applied Lagrange multipliers were not the appropriate ones for the chosen model for the convolutional noise pdf. In this paper we use the Edgeworth expansion up to order 4 and up to order 6 to model the convolutional noise pdf. We derive the appropriate Lagrange multipliers, thus obtaining new closed-form approximated expressions for the conditional expectation and mean square error (MSE as a byproduct. Simulation results indicate hardly any equalization improvement with Edgeworth expansion up to order 4 when using optimal Lagrange multipliers over a nonoptimal set. In addition, there is no justification for using the Edgeworth expansion up to order 6 over the Edgeworth expansion up to order 4 for the 16QAM and easy channel case. However, Edgeworth expansion up to order 6 leads to improved equalization performance compared to the Edgeworth expansion up to order 4 for the 16QAM and hard channel case as well as for the case where the 64QAM is sent via an easy channel.

Veterinary Profession: Potential Tool for the Realization of Nigerian ...

African Journals Online (AJOL)

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Advances in intensive ruminant nutrition | van Niekerk | South ...

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Life Histories of Frogs in the Namib Desert | Channing | African ...

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Penile fracture in a patient with stuttering priapism | Badmus | West ...

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Additive manufacturing: From implants to organs | Douglas | South ...

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Time domain astronomy with Swift and Fermi | Gehrels | Rwanda ...

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Robotic repair of retrocaval ureter: A case series | Nayak | African ...

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Devil's Claw – a natural substitute for diclofenac? | Mundy | Vulture ...

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Transcervical embryo recovery in Saanen goats | Lima-Verde ...

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Minimum maintenance solar pump | Assefa | Zede Journal

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Outpatient management of adult alcoholism | Williams | South ...

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Portal vein thrombosis complicating appendicitis | Ayantunde | West ...

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Letters tot he Editor: Authors' response | Chowdhury | South African ...

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Meta-analysis in epidemiology | Yach | South African Medical Journal

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Editorial: Against the tide | Hudson | South African Family Practice

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Vulture worries stalk activists on Uttarayan | Anon | Vulture News

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Computer aided selection of plant layout | Kitaw | Zede Journal

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Computerized Facilities Layout Design | Mulugeta | Zede Journal

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Tenor of Humanism Re-reading Feminity in the Drama of Tracie ...

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Reading beyond statistics: The contribution of Kiswahili video film ...

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The Auteur as a Socio-Political Commentator: A Reading of ...

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Drama as a tool for combating HIV/AIDS in Nigeria: A reading of ...

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Eradication of poliomyelitis in South Africa | Blecher | South African ...

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Ants, rodents and seed predation in Proteaceae | Bond | African ...

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Development in the Active Packaging of Foods | Vermeiren | Journal ...

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Stevens –Johnson syndrome due to nevirapine | Namayanja ...

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Book Review

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A note on tonal mobility in Chichewa | Moto | Journal of Humanities

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Narrative authority in J.M. Coetzee's Age of Iron | Duncan | Tydskrif ...

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Heart failure complicating tetralogy of Fallot | Ogunkunle | West ...

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On the stability of the unit root test | Atil | Afrika Statistika

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Resensie: Chaos, of Op soek na Superman | Barendse | Tydskrif vir ...

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The death of Alexander the Great | Retief | Acta Theologica

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Paediatric neuro-imaging: Diagnosis | Misser | SA Journal of ...

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Uncommon presentation of neuro-cysticercosis | Dewan | South ...

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A Review of Neuro-ophthalmologic Emergencies | Fiebai | Nigerian ...

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Eating disorders in males : a review | Freeman | African Journal of ...

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Mozambique: The Rise of a Micro Dual State | Meneses | Africa ...

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Diagnosis of erectile dysfunction | Raheem | African Journal of Urology

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In touch with reality: original article | Motlana | African Journal of ...

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Disorders of the Sleep-Wake Cycle in Blindness | Odeo | West ...

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Parental care in Hemisus (Anura: Hemisotidae) | van Dijk | African ...

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Management of treatment resistant schizophrenia | Jones | African ...

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Letters to the Editor: Tattooing gone wrong | Hampton | South African ...

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strontium, aluminium, lead and nickel

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Standardisation of spirometry | Stewart | South African Medical Journal

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The documentary film art and the truth question | Ekpenyong | Global ...

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The language ecology of a new Afrikaans Bible | Ponelis | Acta ...

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A new framework for Bible translation | Wilt | Acta Theologica

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Eunuchs in the Bible | Retief | Acta Theologica

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“Showing respect” in bible translation | van der Spuy | Acta Theologica

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Motor aphasia in the first week of enteric fever | Adnan | South ...

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Hippocrates: facts and fiction | Retief | Acta Theologica

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Neonatal Vitamin A supplementation | Humphrey | South African ...

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The Heimlich Valve for Pleural Cavity Drainage | Makanga | Annals ...

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Critique of Nkrumah's Philosophical Materialism | Ani | Thought and ...

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Kei Apple Plant Thorn Synovitis | Nyamohanga | Annals of African ...

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Reconciling Arabo-Islamic culture and feminist consciousness in ...

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An enzymatic approach to cell wall structure | Hungate | South ...

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Starting infants on antiretroviral therapy | Clayden | Southern African ...

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HIV/TB: When is it safe to start HAART? | Wood | Southern African ...

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Case Report: Endometriosis of the Appendix | Al Oulaqi | African ...

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Incisional Endometriosis – Two Case Reports | Sofianos | Annals of ...

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Ruptured uterus in Azare, north eastern Nigeria | Dattijo | Jos ...

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Emergency percutaneous tracheostomy | Jonas | South African ...

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On Generalized Type 1 Logistic Distribution | Ahsanullah | Afrika ...

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Stress and burnout in junior doctors | Schweitzer | South African ...

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Statistical estimation of absolute gravity values | Aku | Science World ...

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Superficial siderosis of the central nervous system | Govind | SA ...

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Snake and staff symbolism in healing | Retief | Acta Theologica

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Histiocytosis X | Mohammed | Annals of African Medicine

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An unusual case of Trisomy 13 | Feben | South African Journal of ...

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Theory of computation, automata and languages | Akinyede | Ife ...

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Abandoning weight-loss programmes | Van Staden | South African ...

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Reproductive hormones as psychotropic agents? | Berk | African ...

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Molecular mechanisms of insulin resistance | Pillay | South African ...

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Constipation, purgatives or the knife? | Jeppe | South African ...

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Prostatic fossa calculus | El Abiad | Pan African Medical Journal

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Fibre digestion in the hyrax | Eloff | South African Journal of Animal ...

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Protein digestion in ruminants | van der Walt | South African Journal ...

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Pesticides use and health in Nigeria | Ojo | Ife Journal of Science

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Water Reuse in Industrial food Processing. | Pagella | Journal of ...

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7 squadron in World War II (Part 2: 1943-1945) | Robinson | Scientia ...

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Snake and staff symbolism, and healing | Retief | South African ...

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A case report of scrotal gangrene from snake bite | Babata | West ...

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Snake bite on scrotum – a case report | Arshad | Pan African Medical ...

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Supplements (Part1): Vitamins | Jobson | South African Family Practice

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Degloving injuries and flap viability assessment | Widgerow | South ...

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Why do elephants flap their ears? | Wright | African Zoology

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A counter-jet in the Quasar 1049+616? | Akujor | Nigerian Journal of ...

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