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Indian Academy of Sciences (India)

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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 ...

Design and application of PDF model for extracting

Science.gov (United States)

Xiong, Lei

2013-07-01

In order to change the steps of contributions in editorial department system from two steps to one, this paper advocates that the technology of extracting the information of PDF files should be transplanted from PDF reader into IEEE Xplore contribution system and that it should be combined with uploading in batch skillfully to enable editors to upload PDF files about 1GB in batch for once. Computers will extract the information of the title, author, address, mailbox, abstract and key words of thesis voluntarily for later retrieval so as to save plenty of labor, material and finance for editorial department.

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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.

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.

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...

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 Use of PDF/A in Digital Archives: A Case Study from Archaeology

Directory of Open Access Journals (Sweden)

Tim N. L. Evans

2014-10-01

Full Text Available In recent years the Portable Document Format (PDF has become a ubiquitous format in the exchange of documents; in 2005 the PDF/A profile was defined in order to meet long term accessibility needs, and has accordingly come to be regarded as a long-term archiving strategy for PDF files. In the field of archaeology, a growing number of PDF files – containing the detailed results of fieldwork and research – are beginning to be deposited with digital archives such as the Archaeology Data Service (ADS. In the ADS’ experience, the use of PDF/A has had benefits as well as drawbacks: the majority of PDF reports are now in a standard format better suited to longer-term access, however migrating to PDF/A and managing and ensuring reuse of these files is intensive, and fraught with potential pitfalls. Of these, perhaps the most serious has been an unreliability in PDF/A conformance by the wide range of tools and software now available. There are also practical and more theoretical implications for reuse which, as our discipline of archaeology alongside so many others rapidly becomes digitized, presents us with a large corpus of ‘data’ that is human readable, but may not be amenable to machine-based technologies such as NLP. It may be argued that these factors effectively undermine some of the perceived cost benefit of moving from paper to digital, as well as the longer-term sustainability of PDF/A within digital archives.

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Indian Academy of Sciences (India)

R. Narasimhan (Krishtel eMaging) 1461 1996 Oct 15 13:05:22

petrochemical evidences attesting to their relict nature. 337. Karthikeyan S see Kishtawal C M. 77. Kishtawal C M. Retrieval of vertical wind profiles during monsoon from satellite observed winds over the Indian Ocean using complex EOF analysis. 77. Kumar Rajneesh. Dynamical problem of micropolar viscoelasticity215.

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African Journals Online (AJOL)

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Gangrenous sigmoid. 6. 46.2. Colorectal cancer. 3. 23.1. Anorectal cancer. 1. 7.7. Ileosigmoid knotting. 1. 7.7. Penetrating abdominal injury. 1. 7.7. Intussusceptions. 1. 7.7. Total. 13 62.0%. Myocardial infarctions. Gangrenous sigmoid. 2. 66.7. Fournier's gangrene. 1. 33.3. Total. 3. 14.3. Respiratory failure. Colorectal cancer.

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.

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.

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.

Resting eggs of zooplankton (copepoda and cladocera) from the Kiel Bay and adjacent waters (southwestern Baltic)

Digital Repository Service at National Institute of Oceanography (India)

Madhupratap, M.; Nehring, S.; Lenz, J.

stream_size 11 stream_content_type text/plain stream_name Mar_Biol_125_77.pdf.txt stream_source_info Mar_Biol_125_77.pdf.txt Content-Encoding ISO-8859-1 Content-Type text/plain; charset=ISO-8859-1 ...

Summer monsoon rainfall prediction for India - Some new ideas

Digital Repository Service at National Institute of Oceanography (India)

Varkey, M.J.

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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.

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.

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.

Multivariate autoregressive algorithms for ocean wave modelling

Digital Repository Service at National Institute of Oceanography (India)

Mandal, S.; Lyons, G.J.; Witz, J.A.

stream_size 8 stream_content_type text/plain stream_name 2_Int_Offshore_Polar_Eng_Conf_Proc_1992_77.pdf.txt stream_source_info 2_Int_Offshore_Polar_Eng_Conf_Proc_1992_77.pdf.txt Content-Encoding ISO-8859-1 Content-Type text...

Extra Dimensions: 3D in PDF Documentation

International Nuclear Information System (INIS)

Graf, Norman A

2012-01-01

Experimental science 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) and the ISO PRC file format in its free Adobe Reader software, Adobe has made it easy to distribute and interact with 3D content. Until recently, Adobe's Acrobat software was also capable of incorporating 3D content into PDF files from a variety of 3D file formats, including proprietary CAD formats. However, this functionality is no longer available in Acrobat X, having been spun off to a separate company. Incorporating 3D content now requires the additional purchase of a separate plug-in. In this talk we present alternatives based on open source libraries which allow the programmatic creation of 3D content in PDF format. While not providing the same level of access to CAD files as the commercial software, it does provide physicists with an alternative path to incorporate 3D content into PDF files from such disparate applications as detector geometries from Geant4, 3D data sets, mathematical surfaces or tesselated volumes.

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.

Qualitative XRD - use of the PDF for beginners and the evolution of the ICDD

International Nuclear Information System (INIS)

Hubbard, C.R.

2002-01-01

Full text: The Powder Diffraction File (PDF), published by the International Centre for Diffraction Data (ICDD), has traditionally been used for phase identification by x-ray diffraction methods and is widely used in establishing the phases present in reaction, corrosion and decomposition products in fields including mineralogy, materials science, manufacturing and pharmaceuticals. The X-ray diffraction reference patterns of the PDF have been collected and edited by the non profit organization known today as the International Centre for Diffraction Data (ICDD). Recent activities by the ICDD have greatly enhanced the PDF based on collaboration with structural data centers, expanding the pattern producing Grants-in-Aid program, and focussing efforts of task groups of the ICDD Technical Committee. The currently evolving needs of combinatorial scientists, pharmaceutical laboratories, and computational materials science will impact the PDF in coming years. One opportunity is for greater cross-linking of characterization and property databases and the efforts to explore this future will be discussed. This presentation will survey the evolution of the organization and the PDF emphasizing the more recent changes, summarize the contents of the PDF, present highlights of how to use the powder diffraction file for phase identification, and highlight advantages of the forthcoming relational database format for the PDF. Copyright (2002) Australian X-ray Analytical Association Inc

PDF fit in the fixed-flavour-number scheme

International Nuclear Information System (INIS)

Alekhin, S.; Bluemlein, J.; Moch, S.

2012-02-01

We discuss the heavy-quark contribution to deep inelastic scattering in the scheme with n f =3;4;5 fixed flavors. Based on the recent ABM11 PDF analysis of world data for deep-inelastic scattering and fixed-target data for the Drell-Yan process with the running-mass definition for heavy quarks we show that fixed flavor number scheme is sufficient for describing the deep-inelastic-scattering data in the entire kinematic range. We compare with other PDF sets and comment on the implications for measuring the strong coupling constant α s (M Z ).

A robust, efficient and accurate β- pdf integration algorithm in nonpremixed turbulent combustion

International Nuclear Information System (INIS)

Liu, H.; Lien, F.S.; Chui, E.

2005-01-01

Among many presumed-shape pdf approaches, the presumed β-function pdf is widely used in nonpremixed turbulent combustion models in the literature. However, singularity difficulties at Z = 0 and 1, Z being the mixture fraction, may be encountered in the numerical integration of the b-function pdf and there are few publications addressing this issue to date. The present study proposes an efficient, robust and accurate algorithm to overcome these numerical difficulties. The present treatment of the β-pdf integration is firstly used in the Burke-Schumann solution in conjunction with the k - ε turbulent model in the case of CH 4 /H 2 bluff-body jets and flames. Afterward it is extended to a more complex model, the laminar flamelet model, for the same flow. Numerical results obtained by using the proposed β-pdf integration method are compared to experimental values of the velocity field, temperature and constituent mass fraction to illustrate the efficiency and accuracy of the present method. (author)

PDF fit in the fixed-flavour-number scheme

Energy Technology Data Exchange (ETDEWEB)

Alekhin, S. [Deutsches Elektronen-Synchrotron (DESY), Zeuthen (Germany); Institute for High Energy Physics, Moscow (Russian Federation); Bluemlein, J.; Moch, S. [Deutsches Elektronen-Synchrotron (DESY), Zeuthen (Germany)

2012-02-15

We discuss the heavy-quark contribution to deep inelastic scattering in the scheme with n{sub f}=3;4;5 fixed flavors. Based on the recent ABM11 PDF analysis of world data for deep-inelastic scattering and fixed-target data for the Drell-Yan process with the running-mass definition for heavy quarks we show that fixed flavor number scheme is sufficient for describing the deep-inelastic-scattering data in the entire kinematic range. We compare with other PDF sets and comment on the implications for measuring the strong coupling constant {alpha}{sub s}(M{sub Z}).

Sparse PDF maps for non-linear multi-resolution image operations

KAUST Repository

Hadwiger, Markus

2012-11-01

We introduce a new type of multi-resolution image pyramid for high-resolution images called sparse pdf maps (sPDF-maps). Each pyramid level consists of a sparse encoding of continuous probability density functions (pdfs) of pixel neighborhoods in the original image. The encoded pdfs enable the accurate computation of non-linear image operations directly in any pyramid level with proper pre-filtering for anti-aliasing, without accessing higher or lower resolutions. The sparsity of sPDF-maps makes them feasible for gigapixel images, while enabling direct evaluation of a variety of non-linear operators from the same representation. We illustrate this versatility for antialiased color mapping, O(n) local Laplacian filters, smoothed local histogram filters (e.g., median or mode filters), and bilateral filters. © 2012 ACM.

Sparse PDF Volumes for Consistent Multi-Resolution Volume Rendering

KAUST Repository

Sicat, Ronell Barrera

2014-12-31

This paper presents a new multi-resolution volume representation called sparse pdf volumes, which enables consistent multi-resolution volume rendering based on probability density functions (pdfs) of voxel neighborhoods. These pdfs are defined in the 4D domain jointly comprising the 3D volume and its 1D intensity range. Crucially, the computation of sparse pdf volumes exploits data coherence in 4D, resulting in a sparse representation with surprisingly low storage requirements. At run time, we dynamically apply transfer functions to the pdfs using simple and fast convolutions. Whereas standard low-pass filtering and down-sampling incur visible differences between resolution levels, the use of pdfs facilitates consistent results independent of the resolution level used. We describe the efficient out-of-core computation of large-scale sparse pdf volumes, using a novel iterative simplification procedure of a mixture of 4D Gaussians. Finally, our data structure is optimized to facilitate interactive multi-resolution volume rendering on GPUs.

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.

Joint PDF modelling of turbulent flow and dispersion in an urban street canyon

OpenAIRE

Bakosi, J.; Franzese, P.; Boybeyi, Z.

2010-01-01

The joint probability density function (PDF) of turbulent velocity and concentration of a passive scalar in an urban street canyon is computed using a newly developed particle-in-cell Monte Carlo method. Compared to moment closures, the PDF methodology provides the full one-point one-time PDF of the underlying fields containing all higher moments and correlations. The small-scale mixing of the scalar released from a concentrated source at the street level is modelled by the interaction by exc...

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

PDF methods for combustion in high-speed turbulent flows

Science.gov (United States)

Pope, Stephen B.

1995-01-01

This report describes the research performed during the second year of this three-year project. The ultimate objective of the project is extend the applicability of probability density function (pdf) methods from incompressible to compressible turbulent reactive flows. As described in subsequent sections, progress has been made on: (1) formulation and modelling of pdf equations for compressible turbulence, in both homogeneous and inhomogeneous inert flows; and (2) implementation of the compressible model in various flow configurations, namely decaying isotropic turbulence, homogeneous shear flow and plane mixing layer.

The impact of the photon PDF and electroweak corrections on t anti t distributions

International Nuclear Information System (INIS)

Pagani, D.; Tsinikos, I.; Zaro, M.

2016-01-01

We discuss the impact of EW corrections on differential distributions in top-quark pair production at the LHC and future hadron colliders, focussing on the effects of initial-state photons. Performing a calculation at Next-to-Leading Order QCD+EW accuracy, we investigate in detail the impact of photon-initiated channels on central values as well as PDF and scale uncertainties, both at order α s α and α s 2 α. We present predictions at 13 and 100 TeV, and provide results for the 8 TeV differential measurements performed by ATLAS and CMS. A thorough comparison of results obtained with the NNPDF2.3QED and CT14QED PDF sets is performed. While contributions due to the photon PDF are negligible with CT14QED, this is not the case for NNPDF2.3QED, where such contributions are sizeable and show large PDF uncertainties. On the one hand, we show that differential observables in top-pair production, in particular top-quark and t anti t rapidities, can be used to improve the determination of the photon PDF within the NNPDF approach. On the other hand, with current PDF sets, we demonstrate the necessity of including EW corrections and photon-induced contributions for a correct determination of both the central value and the uncertainties of theoretical predictions. (orig.)

The impact of the photon PDF and electroweak corrections on t anti t distributions

Energy Technology Data Exchange (ETDEWEB)

Pagani, D.; Tsinikos, I. [Universite Catholique de Louvain, Centre for Cosmology, Particle Physics and Phenomenology (CP3), Louvain-la-Neuve (Belgium); Zaro, M. [Sorbonne Universites, UPMC University Paris 06, UMR 589, LPTHE, Paris (France); CNRS, UMR 7589, LPTHE, Paris (France)

2016-09-15

We discuss the impact of EW corrections on differential distributions in top-quark pair production at the LHC and future hadron colliders, focussing on the effects of initial-state photons. Performing a calculation at Next-to-Leading Order QCD+EW accuracy, we investigate in detail the impact of photon-initiated channels on central values as well as PDF and scale uncertainties, both at order α{sub s}α and α{sub s}{sup 2}α. We present predictions at 13 and 100 TeV, and provide results for the 8 TeV differential measurements performed by ATLAS and CMS. A thorough comparison of results obtained with the NNPDF2.3QED and CT14QED PDF sets is performed. While contributions due to the photon PDF are negligible with CT14QED, this is not the case for NNPDF2.3QED, where such contributions are sizeable and show large PDF uncertainties. On the one hand, we show that differential observables in top-pair production, in particular top-quark and t anti t rapidities, can be used to improve the determination of the photon PDF within the NNPDF approach. On the other hand, with current PDF sets, we demonstrate the necessity of including EW corrections and photon-induced contributions for a correct determination of both the central value and the uncertainties of theoretical predictions. (orig.)

The PDF method for turbulent combustion

Science.gov (United States)

Pope, S. B.

1991-01-01

Probability Density Function (PDF) methods provide a means of calculating the properties of turbulent reacting flows. They have been successfully applied to many turbulent flames, including some with finite rate kinetic effects. Here the methods are reviewed with an emphasis on computational issues and their application to turbulent combustion.

High-pressure pair distribution function (PDF) measurement using high-energy focused x-ray beam

Energy Technology Data Exchange (ETDEWEB)

Hong, Xinguo, E-mail: xhong@bnl.gov; Weidner, Donald J. [Mineral Physics Institute, Stony Brook University, Stony Brook, NY 11794 (United States); Ehm, Lars [Mineral Physics Institute, Stony Brook University, Stony Brook, NY 11794 (United States); National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973 (United States); Zhong, Zhong; Ghose, Sanjit [National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973 (United States); Duffy, Thomas S. [Department of Geosciences, Princeton University, Princeton, NJ 08544 (United States)

2016-07-27

In this paper, we report recent development of the high-pressure pair distribution function (HP-PDF) measurement technique using a focused high-energy X-ray beam coupled with a diamond anvil cell (DAC). The focusing optics consist of a sagittally bent Laue monochromator and Kirkpatrick-Baez (K–B) mirrors. This combination provides a clean high-energy X-ray beam suitable for HP-PDF research. Demonstration of the HP-PDF technique for nanocrystalline platinum under quasi-hydrostatic condition above 30 GPa is presented.

Reference and PDF-manager software: complexities, support and workflow.

Science.gov (United States)

Mead, Thomas L; Berryman, Donna R

2010-10-01

In the past, librarians taught reference management by training library users to use established software programs such as RefWorks or EndNote. In today's environment, there is a proliferation of Web-based programs that are being used by library clientele that offer a new twist on the well-known reference management programs. Basically, these new programs are PDF-manager software (e.g., Mendeley or Papers). Librarians are faced with new questions, issues, and concerns, given the new workflows and pathways that these PDF-manager programs present. This article takes a look at some of those.

Scalar and joint velocity-scalar PDF modelling of near-wall turbulent heat transfer

International Nuclear Information System (INIS)

Pozorski, Jacek; Waclawczyk, Marta; Minier, Jean-Pierre

2004-01-01

The temperature field in a heated turbulent flow is considered as a dynamically passive scalar. The probability density function (PDF) method with down to the wall integration is explored and new modelling proposals are put forward, including the explicit account for the molecular transport terms. Two variants of the approach are considered: first, the scalar PDF method with the use of externally-provided turbulence statistics; and second, the joint (stand-alone) velocity-scalar PDF method where a near-wall model for dynamical variables is coupled with a model for temperature. The closure proposals are formulated in the Lagrangian setting and resulting stochastic evolution equations are solved with a Monte Carlo method. The near-wall region of a heated channel flow is taken as a validation case; the second-order thermal statistics are of a particular interest. The PDF computation results agree reasonably with available DNS data. The sensitivity of results to the molecular Prandtl number and to the thermal wall boundary condition is accounted for

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.

Analysis of a PDF model in a mixing layer case

International Nuclear Information System (INIS)

Minier, J.P.; Pozorski, J.

1996-04-01

A recent turbulence model put forward by Pope (1991) in the context of PDF modeling has been applied to a mixing layer case. This model solves the one-point joint velocity-dissipation pdf equation by simulating the instantaneous behaviour of a large number of Lagrangian fluid particles. Closure of the evolution equations of these Lagrangian particles is based on diffusion stochastic processes. The paper reports numerical results and tries to analyse the physical meaning of some variables, in particular the dissipation-weighted kinetic energy and its relation with external intermittency. (authors). 14 refs., 7 figs

Evaluation of a Consistent LES/PDF Method Using a Series of Experimental Spray Flames

Science.gov (United States)

Heye, Colin; Raman, Venkat

2012-11-01

A consistent method for the evolution of the joint-scalar probability density function (PDF) transport equation is proposed for application to large eddy simulation (LES) of turbulent reacting flows containing evaporating spray droplets. PDF transport equations provide the benefit of including the chemical source term in closed form, however, additional terms describing LES subfilter mixing must be modeled. The recent availability of detailed experimental measurements provide model validation data for a wide range of evaporation rates and combustion regimes, as is well-known to occur in spray flames. In this work, the experimental data will used to investigate the impact of droplet mass loading and evaporation rates on the subfilter scalar PDF shape in comparison with conventional flamelet models. In addition, existing model term closures in the PDF transport equations are evaluated with a focus on their validity in the presence of regime changes.

Technical Training: Annonce de nouveau cours: Utilisation des fichiers PDF avec ACROBAT 6.0

CERN Multimedia

Monique Duval

2005-01-01

CERN Technical Training 2005: Learning for the LHC! Un nouveau cours pratique sur Adobe Acrobat version 6.0 est proposé à l'ensemble du personnel par le service de l'Enseignement Technique, pour répondre aux besoins de formation des utilisateurs des documents PDF. La première session aura lieu le 1er mars 2005. Objectifs : Maîtriser les différentes fonctions d'Adobe Acrobat 6.0. Programme : Présentation d'Adobe Acrobat 6.0. Création de fichiers PDF depuis Microsoft Office et d'autres applications. Création de fichiers Postscript. Modification de fichiers PDF, enregistrement et exportation. Protection par mot de passe et par signature numérique. Navigation dans les documents : interactivité, vignettes et pages, signets, liens, articles, affichage et ouverture des PDF, recherche. Travail en commun: Ajout de commentaires, révision par messagerie électronique Dur&e...

Physical properties, structure and fracturing of the Chelyabinsk LL5 meteorite body

Czech Academy of Sciences Publication Activity Database

Grokhovsky, V. I.; Kohout, Tomáš; Gritsevich, M.; Koneva, E. V.

2014-01-01

Roč. 49, Special issue 1 (2014), pdf 5364-pdf 5364 ISSN 1086-9379. [Annual Meeting of the Meteoritical Society /77./. 08.09.2014-13.09.2014, Casablanca] Institutional support: RVO:67985831 Keywords : Chelyabinsk * LL chondrite * physical properties * structure * mechanical properties * stress Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics http://www.hou.usra.edu/meetings/metsoc2014/pdf/5364.pdf

Theoretical issues in PDF determination and associated uncertainties

CERN Document Server

Ball, Richard D.; Del Debbio, Luigi; Forte, Stefano; Guffanti, Alberto; Rojo, Juan; Ubiali, Maria

2013-01-01

We study several sources of theoretical uncertainty in the determination of parton distributions (PDFs) which may affect current PDF sets used for precision physics at the Large Hadron Collider, and explain discrepancies between them. We consider in particular the use of fixed-flavor versus variable-flavor number renormalization schemes, higher twist corrections, and nuclear corrections. We perform our study in the framework of the NNPDF2.3 global PDF determination, by quantifying in each case the impact of different theoretical assumptions on the output PDFs. We also study in each case the implications for benchmark cross sections at the LHC. We find that the impact in a global fit of a fixed-flavor number scheme is substantial, the impact of higher twists is negligible, and the impact of nuclear corrections is moderate and circumscribed.

Transported PDF Modeling of Ethanol Spray in Hot-Diluted Coflow Flame

OpenAIRE

Ma, L.; Naud, B.; Roekaerts, D.J.E.M.

2015-01-01

This paper presents a numerical modeling study of one ethanol spray flame from the Delft Spray-in-Hot-Coflow (DSHC) database, which has been used to study Moderate or Intense Low-oxygen Dilution (MILD) combustion of liquid fuels (Correia Rodrigues et al. Combust. Flame 162(3), 759–773, 2015). A “Lagrangian-Lagrangian” approach is adopted where both the joint velocity-scalar Probability Density Function (PDF) for the continuous phase and the joint PDF of droplet properties are modeled and solv...

The pdf approach to turbulent polydispersed two-phase flows

Science.gov (United States)

Minier, Jean-Pierre; Peirano, Eric

2001-10-01

The purpose of this paper is to develop a probabilistic approach to turbulent polydispersed two-phase flows. The two-phase flows considered are composed of a continuous phase, which is a turbulent fluid, and a dispersed phase, which represents an ensemble of discrete particles (solid particles, droplets or bubbles). Gathering the difficulties of turbulent flows and of particle motion, the challenge is to work out a general modelling approach that meets three requirements: to treat accurately the physically relevant phenomena, to provide enough information to address issues of complex physics (combustion, polydispersed particle flows, …) and to remain tractable for general non-homogeneous flows. The present probabilistic approach models the statistical dynamics of the system and consists in simulating the joint probability density function (pdf) of a number of fluid and discrete particle properties. A new point is that both the fluid and the particles are included in the pdf description. The derivation of the joint pdf model for the fluid and for the discrete particles is worked out in several steps. The mathematical properties of stochastic processes are first recalled. The various hierarchies of pdf descriptions are detailed and the physical principles that are used in the construction of the models are explained. The Lagrangian one-particle probabilistic description is developed first for the fluid alone, then for the discrete particles and finally for the joint fluid and particle turbulent systems. In the case of the probabilistic description for the fluid alone or for the discrete particles alone, numerical computations are presented and discussed to illustrate how the method works in practice and the kind of information that can be extracted from it. Comments on the current modelling state and propositions for future investigations which try to link the present work with other ideas in physics are made at the end of the paper.

Structural reconstruction of the catalytic center of LiPDF through multiple scattering calculation with MXAN

International Nuclear Information System (INIS)

Guo Xiaoyun; Chu Wangsheng; Ma Sixuan; Gong Weimin; Benfatto, Maurizio; Hu Tiandou; Xie Yaning; Wu Ziyu

2006-01-01

Peptide deformylase (PDF, EC 3.5.1.27) is essential for the normal growth of eubacterium but not for mammalians. Recently, PDF has been studied as a target for new antibiotics. In this paper, X-ray absorption spectroscopy was employed to determine the local structure around the zinc ion of PDF from Leptospira Interrogans in dry powder, because it is very difficult to obtain the crystallized sample of LiPDF. We performed X-ray absorption near edge structure (XANES) calculation and reconstructed successfully the local geometry of the active center, and the results from calculations show that a water molecule (Wat1) has moved towards the zinc ion and lies in the distance range to coordinate with the zinc ion weakly. In addition, the sensitivity of theoretical spectra to the different ligand bodies was evaluated in terms of goodness-of-fit

Structural reconstruction of the catalytic center of LiPDF through multiple scattering calculation with MXAN

Science.gov (United States)

Guo, Xiaoyun; Chu, Wangsheng; Ma, Sixuan; Gong, Weimin; Benfatto, Maurizio; Hu, Tiandou; Xie, Yaning; Wu, ZiYu

2006-11-01

Peptide deformylase (PDF, EC 3.5.1.27) is essential for the normal growth of eubacterium but not for mammalians. Recently, PDF has been studied as a target for new antibiotics. In this paper, X-ray absorption spectroscopy was employed to determine the local structure around the zinc ion of PDF from Leptospira Interrogans in dry powder, because it is very difficult to obtain the crystallized sample of LiPDF. We performed X-ray absorption near edge structure (XANES) calculation and reconstructed successfully the local geometry of the active center, and the results from calculations show that a water molecule (Wat1) has moved towards the zinc ion and lies in the distance range to coordinate with the zinc ion weakly. In addition, the sensitivity of theoretical spectra to the different ligand bodies was evaluated in terms of goodness-of-fit.

Structural reconstruction of the catalytic center of LiPDF through multiple scattering calculation with MXAN

Energy Technology Data Exchange (ETDEWEB)

Guo Xiaoyun [Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, 100049 Beijing (China); School of Life Science, Key Laboratory of Structural Biology, University of Science and Technology of China, 230026 Hefei, Anhui (China); Chu Wangsheng [Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, 100049 Beijing (China); Department of Physics, University of Science and Technology of China, 230026 Hefei, Anhui (China); Ma Sixuan [Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, 100049 Beijing (China); Gong Weimin [National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing (China); Benfatto, Maurizio [Instituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati, P.O. Box 13, 00044 Frascati (Italy); Hu Tiandou [Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, 100049 Beijing (China); Xie Yaning [Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, 100049 Beijing (China); Wu Ziyu [Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, 100049 Beijing (China) and Instituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati, P.O. Box 13, 00044 Frascati (Italy)]. E-mail: wuzy@mail.ihep.ac.cn

2006-11-15

Peptide deformylase (PDF, EC 3.5.1.27) is essential for the normal growth of eubacterium but not for mammalians. Recently, PDF has been studied as a target for new antibiotics. In this paper, X-ray absorption spectroscopy was employed to determine the local structure around the zinc ion of PDF from Leptospira Interrogans in dry powder, because it is very difficult to obtain the crystallized sample of LiPDF. We performed X-ray absorption near edge structure (XANES) calculation and reconstructed successfully the local geometry of the active center, and the results from calculations show that a water molecule (Wat1) has moved towards the zinc ion and lies in the distance range to coordinate with the zinc ion weakly. In addition, the sensitivity of theoretical spectra to the different ligand bodies was evaluated in terms of goodness-of-fit.

The PDF4LHC report on PDFs and LHC data: Results from Run I and preparation for Run II

CERN Document Server

Rojo, Juan; Ball, Richard D; Cooper-Sarkar, Amanda; de Roeck, Albert; Farry, Stephen; Ferrando, James; Forte, Stefano; Gao, Jun; Harland-Lang, Lucian; Huston, Joey; Glazov, Alexander; Gouzevitch, Maxime; Gwenlan, Claire; Lipka, Katerina; Lisovyi, Mykhailo; Mangano, Michelangelo; Nadolsky, Pavel; Perrozzi, Luca; Placakyte, Ringaile; Radescu, Voica; Salam, Gavin P; Thorne, Robert

2015-01-01

The accurate determination of the Parton Distribution Functions (PDFs) of the proton is an essential ingredient of the Large Hadron Collider (LHC) program. PDF uncertainties impact a wide range of processes, from Higgs boson characterisation and precision Standard Model measurements to New Physics searches. A major recent development in modern PDF analyses has been to exploit the wealth of new information contained in precision measurements from the LHC Run I, as well as progress in tools and methods to include these data in PDF fits. In this report we summarise the information that PDF-sensitive measurements at the LHC have provided so far, and review the prospects for further constraining PDFs with data from the recently started Run II. This document aims to provide useful input to the LHC collaborations to prioritise their PDF-sensitive measurements at Run II, as well as a comprehensive reference for the PDF-fitting collaborations.

The PDF4LHC report on PDFs and LHC data. Results from Run I and preparation for Run II

International Nuclear Information System (INIS)

Rojo, Juan; Ball, Richard D.; CERN, Geneva

2015-07-01

The accurate determination of the Parton Distribution Functions (PDFs) of the proton is an essential ingredient of the Large Hadron Collider (LHC) program. PDF uncertainties impact a wide range of processes, from Higgs boson characterisation and precision Standard Model measurements to New Physics searches. A major recent development in modern PDF analyses has been to exploit the wealth of new information contained in precision measurements from the LHC Run I, as well as progress in tools and methods to include these data in PDF fits. In this report we summarise the information that PDF-sensitive measurements at the LHC have provided so far, and review the prospects for further constraining PDFs with data from the recently started Run II. This document aims to provide useful input to the LHC collaborations to prioritise their PDF-sensitive measurements at Run II, as well as a comprehensive reference for the PDF-fitting collaborations.

Fulltext PDF

Indian Academy of Sciences (India)

2Department of Metallurgical and Materials Engineering, Indian Institute of ... an analysis of the dynamics of dilute suspensions of periodically forced prolate ..... We developed software using Numerical Recipes in FORTRAN 77 (Press et al ...

Analysis of theoretical security level of PDF Encryption mechanism based on X.509 certificates

Directory of Open Access Journals (Sweden)

Joanna Dmitruk

2017-12-01

Full Text Available PDF Encryption is a content security mechanism developed and used by Adobe in their products. In this paper, we have checked a theoretical security level of a variant that uses public key infrastructure and X.509 certificates. We have described a basis of this mechanism and we have performed a simple security analysis. Then, we have showed possible tweaks and security improvements. At the end, we have given some recommendations that can improve security of a content secured with PDF Encryption based on X.509 certificates. Keywords: DRM, cryptography, security level, PDF Encryption, Adobe, X.509

The PDF4LHC report on PDFs and LHC data: results from Run I and preparation for Run II

International Nuclear Information System (INIS)

Rojo, Juan; Accardi, Alberto; Ball, Richard D; Cooper-Sarkar, Amanda; Gwenlan, Claire; Roeck, Albert de; Mangano, Michelangelo; Farry, Stephen; Ferrando, James; Forte, Stefano; Gao, Jun; Harland-Lang, Lucian; Huston, Joey; Glazov, Alexander; Lipka, Katerina; Gouzevitch, Maxime; Lisovyi, Mykhailo; Nadolsky, Pavel

2015-01-01

The accurate determination of the parton distribution functions (PDFs) of the proton is an essential ingredient of the Large Hadron Collider (LHC) program. PDF uncertainties impact a wide range of processes, from Higgs boson characterization and precision Standard Model measurements to new physics searches. A major recent development in modern PDF analyses has been to exploit the wealth of new information contained in precision measurements from the LHC Run I, as well as progress in tools and methods to include these data in PDF fits. In this report we summarize the information that PDF-sensitive measurements at the LHC have provided so far, and review the prospects for further constraining PDFs with data from the recently started Run II. This document aims to provide useful input to the LHC collaborations to prioritize their PDF-sensitive measurements at Run II, as well as a comprehensive reference for the PDF-fitting collaborations. (topical review)

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?

PDF modeling of turbulent flows on unstructured grids

Science.gov (United States)

Bakosi, Jozsef

In probability density function (PDF) methods of turbulent flows, the joint PDF of several flow variables is computed by numerically integrating a system of stochastic differential equations for Lagrangian particles. Because the technique solves a transport equation for the PDF of the velocity and scalars, a mathematically exact treatment of advection, viscous effects and arbitrarily complex chemical reactions is possible; these processes are treated without closure assumptions. A set of algorithms is proposed to provide an efficient solution of the PDF transport equation modeling the joint PDF of turbulent velocity, frequency and concentration of a passive scalar in geometrically complex configurations. An unstructured Eulerian grid is employed to extract Eulerian statistics, to solve for quantities represented at fixed locations of the domain and to track particles. All three aspects regarding the grid make use of the finite element method. Compared to hybrid methods, the current methodology is stand-alone, therefore it is consistent both numerically and at the level of turbulence closure without the use of consistency conditions. Since both the turbulent velocity and scalar concentration fields are represented in a stochastic way, the method allows for a direct and close interaction between these fields, which is beneficial in computing accurate scalar statistics. Boundary conditions implemented along solid bodies are of the free-slip and no-slip type without the need for ghost elements. Boundary layers at no-slip boundaries are either fully resolved down to the viscous sublayer, explicitly modeling the high anisotropy and inhomogeneity of the low-Reynolds-number wall region without damping or wall-functions or specified via logarithmic wall-functions. As in moment closures and large eddy simulation, these wall-treatments provide the usual trade-off between resolution and computational cost as required by the given application. Particular attention is focused on

A non-hybrid method for the PDF equations of turbulent flows on unstructured grids

International Nuclear Information System (INIS)

Bakosi, J.; Franzese, P.; Boybeyi, Z.

2008-01-01

In probability density function (PDF) methods of turbulent flows, the joint PDF of several flow variables is computed by numerically integrating a system of stochastic differential equations for Lagrangian particles. A set of parallel algorithms is proposed to provide an efficient solution of the PDF transport equation modeling the joint PDF of turbulent velocity, frequency and concentration of a passive scalar in geometrically complex configurations. In the vicinity of walls the flow is resolved by an elliptic relaxation technique down to the viscous sublayer, explicitly modeling the high anisotropy and inhomogeneity of the low-Reynolds-number wall region without damping or wall-functions. An unstructured Eulerian grid is employed to extract Eulerian statistics, to solve for quantities represented at fixed locations of the domain (i.e., the mean pressure and the elliptic relaxation tensor) and to track particles. All three aspects regarding the grid make use of the finite element method employing the simplest linear shapefunctions. To model the small-scale mixing of the transported scalar, the interaction by exchange with the conditional mean (IECM) model is adopted. An adaptive algorithm to compute the velocity-conditioned scalar mean is proposed that homogenizes the statistical error over the sample space with no assumption on the shape of the underlying velocity PDF. Compared to other hybrid particle-in-cell approaches for the PDF equations, the current methodology is consistent without the need for consistency conditions. The algorithm is tested by computing the dispersion of passive scalars released from concentrated sources in two different turbulent flows: the fully developed turbulent channel flow and a street canyon (or cavity) flow. Algorithmic details on estimating conditional and unconditional statistics, particle tracking and particle-number control are presented in detail. Relevant aspects of performance and parallelism on cache-based shared memory

Effect of metal ion on the structure and function of LiPDF: The study of the fine structure around the metal site using XANES

International Nuclear Information System (INIS)

Wang Yu; Chu Wangsheng; Yang Feifei; Yu Meijuan; Zhao Haifeng; Gong Weimin; Dong Yuhui; Xie Yaning; Wu, Ziyu

2010-01-01

We used X-ray absorption near edge structure (XANES) spectroscopy to investigate the metal-dependent enzymatic activity of the peptide deformylase from Leptospira interrogans (LiPDF). Ab initio full multiple scattering calculations performed by MXAN are applied to obtain the local structure of the cobalt-containing LiPDF (Co-LiPDF) and zinc-containing LiPDF (Zn-LiPDF) around the metal sites in pH9.0 buffer solution. The result shows the cobalt-wat1 (the bond water molecule) distance of Co-LiPDF is 1.89 A, much shorter than that of Zn-LiPDF, 2.50 A. That is an essential factor for its low catalytic activity.

Effect of metal ion on the structure and function of LiPDF: The study of the fine structure around the metal site using XANES

Energy Technology Data Exchange (ETDEWEB)

Wang Yu [Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 (China); National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029 (China); Chu Wangsheng, E-mail: cws@ihep.ac.c [Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 (China); Yang Feifei; Yu Meijuan; Zhao Haifeng [Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 (China); Gong Weimin [National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101 (China); Dong Yuhui; Xie Yaning [Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 (China); Wu, Ziyu, E-mail: wuzy@ustc.edu.c [National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029 (China); Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 (China)

2010-07-21

We used X-ray absorption near edge structure (XANES) spectroscopy to investigate the metal-dependent enzymatic activity of the peptide deformylase from Leptospira interrogans (LiPDF). Ab initio full multiple scattering calculations performed by MXAN are applied to obtain the local structure of the cobalt-containing LiPDF (Co-LiPDF) and zinc-containing LiPDF (Zn-LiPDF) around the metal sites in pH9.0 buffer solution. The result shows the cobalt-wat1 (the bond water molecule) distance of Co-LiPDF is 1.89 A, much shorter than that of Zn-LiPDF, 2.50 A. That is an essential factor for its low catalytic activity.

Sparse PDF Volumes for Consistent Multi-Resolution Volume Rendering

KAUST Repository

Sicat, Ronell Barrera; Kruger, Jens; Moller, Torsten; Hadwiger, Markus

2014-01-01

This paper presents a new multi-resolution volume representation called sparse pdf volumes, which enables consistent multi-resolution volume rendering based on probability density functions (pdfs) of voxel neighborhoods. These pdfs are defined

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.

Hybrid finite-volume/transported PDF method for the simulation of turbulent reactive flows

Science.gov (United States)

Raman, Venkatramanan

A novel computational scheme is formulated for simulating turbulent reactive flows in complex geometries with detailed chemical kinetics. A Probability Density Function (PDF) based method that handles the scalar transport equation is coupled with an existing Finite Volume (FV) Reynolds-Averaged Navier-Stokes (RANS) flow solver. The PDF formulation leads to closed chemical source terms and facilitates the use of detailed chemical mechanisms without approximations. The particle-based PDF scheme is modified to handle complex geometries and grid structures. Grid-independent particle evolution schemes that scale linearly with the problem size are implemented in the Monte-Carlo PDF solver. A novel algorithm, in situ adaptive tabulation (ISAT) is employed to ensure tractability of complex chemistry involving a multitude of species. Several non-reacting test cases are performed to ascertain the efficiency and accuracy of the method. Simulation results from a turbulent jet-diffusion flame case are compared against experimental data. The effect of micromixing model, turbulence model and reaction scheme on flame predictions are discussed extensively. Finally, the method is used to analyze the Dow Chlorination Reactor. Detailed kinetics involving 37 species and 158 reactions as well as a reduced form with 16 species and 21 reactions are used. The effect of inlet configuration on reactor behavior and product distribution is analyzed. Plant-scale reactors exhibit quenching phenomena that cannot be reproduced by conventional simulation methods. The FV-PDF method predicts quenching accurately and provides insight into the dynamics of the reactor near extinction. The accuracy of the fractional time-stepping technique in discussed in the context of apparent multiple-steady states observed in a non-premixed feed configuration of the chlorination reactor.

Java facilities in processing XML files - JAXB and generating PDF reports

Directory of Open Access Journals (Sweden)

Danut-Octavian SIMION

2008-01-01

Full Text Available The paper presents the Java programming language facilities in working with XML files using JAXB (The Java Architecture for XML Binding technology and generating PDF reports from XML files using Java objects. The XML file can be an existing one and could contain the data about an entity (Clients for example or it might be the result of a SELECT-SQL statement. JAXB generates JAVA classes through xs rules and a Marshalling, Unmarshalling compiler. The PDF file is build from a XML file and uses XSL-FO formatting file and a Java ResultSet object.

APFEL : A PDF Evolution Library with QED corrections

NARCIS (Netherlands)

Bertone, Valerio; Carrazza, Stefano; Rojo, Juan

Quantum electrodynamics and electroweak corrections are important ingredients for many theoretical predictions at the LHC. This paper documents APFEL, a new PDF evolution package that allows for the first time to perform DGLAP evolution up to NNLO in QCD and to LO in QED, in the

PDF turbulence modeling and DNS

Science.gov (United States)

Hsu, A. T.

1992-01-01

The problem of time discontinuity (or jump condition) in the coalescence/dispersion (C/D) mixing model is addressed in probability density function (pdf). A C/D mixing model continuous in time is introduced. With the continuous mixing model, the process of chemical reaction can be fully coupled with mixing. In the case of homogeneous turbulence decay, the new model predicts a pdf very close to a Gaussian distribution, with finite higher moments also close to that of a Gaussian distribution. Results from the continuous mixing model are compared with both experimental data and numerical results from conventional C/D models. The effect of Coriolis forces on compressible homogeneous turbulence is studied using direct numerical simulation (DNS). The numerical method used in this study is an eight order compact difference scheme. Contrary to the conclusions reached by previous DNS studies on incompressible isotropic turbulence, the present results show that the Coriolis force increases the dissipation rate of turbulent kinetic energy, and that anisotropy develops as the Coriolis force increases. The Taylor-Proudman theory does apply since the derivatives in the direction of the rotation axis vanishes rapidly. A closer analysis reveals that the dissipation rate of the incompressible component of the turbulent kinetic energy indeed decreases with a higher rotation rate, consistent with incompressible flow simulations (Bardina), while the dissipation rate of the compressible part increases; the net gain is positive. Inertial waves are observed in the simulation results.

Fulltext PDF

Indian Academy of Sciences (India)

62 Nature Watch. Rice Bowl in Turmoil: The Kuttanad Wetland Ecosystem. K C Manorama Thampatti and K G Padmakumar. RESEARCH NEWS. 77 The Work of the fields Medallists: 1998. Richard E Borcherds. C 5 Rajan. BOOK REVIEWS. 81 The Story of fermafs Last Theorem. Shailesh A Shirali. REfLECTIONS.

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

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

PDF analysis of PuAl alloys local structure

Energy Technology Data Exchange (ETDEWEB)

Platteau, C. [CEA Valduc, 21120 Is-sur-Tille (France)], E-mail: platteau.cyril@yahoo.fr; Bruckel, P.; Ravat, B.; Delaunay, F. [CEA Valduc, 21120 Is-sur-Tille (France)

2009-03-15

For understanding singular properties of plutonium, there is a need in studying the average and local atomic structure in Pu alloys. To study the local structure of the {delta} phase, a pair distribution function (PDF) analysis was done and has shown some significant differences with the average structure.

Reflowing-driven paragraph recognition for electronic books in PDF

Science.gov (United States)

Fang, Jing; Tang, Zhi; Gao, Liangcai

2011-01-01

When reading electronic books on handheld devices, content sometimes should be reflowed and recomposed to adapt for small-screen mobile devices. According to people's reading practice, it is reasonable to reflow the text content based on paragraphs. Hence, this paper addresses the requirement and proposes a set of novel methods on paragraph recognition for electronic books in PDF. The proposed methods consist of three steps, namely, physical structure analysis, paragraph segmentation, and reading order detection. We make use of locally ordered property of PDF documents and layout style of books to improve traditional page recognition results. In addition, we employ the optimal matching of Bipartite Graph technology to detect paragraphs' reading order. Experiments show that our methods achieve high accuracy. It is noteworthy that, the research has been applied in a commercial software package for Chinese E-book production.

Autoreceptor Control of Peptide/Neurotransmitter Corelease from PDF Neurons Determines Allocation of Circadian Activity in Drosophila

Directory of Open Access Journals (Sweden)

Charles Choi

2012-08-01

Full Text Available Drosophila melanogaster flies concentrate behavioral activity around dawn and dusk. This organization of daily activity is controlled by central circadian clock neurons, including the lateral-ventral pacemaker neurons (LNvs that secrete the neuropeptide PDF (pigment dispersing factor. Previous studies have demonstrated the requirement for PDF signaling to PDF receptor (PDFR-expressing dorsal clock neurons in organizing circadian activity. Although LNvs also express functional PDFR, the role of these autoreceptors has remained enigmatic. Here, we show that (1 PDFR activation in LNvs shifts the balance of circadian activity from evening to morning, similar to behavioral responses to summer-like environmental conditions, and (2 this shift is mediated by stimulation of the Gα,s-cAMP pathway and a consequent change in PDF/neurotransmitter corelease from the LNvs. These results suggest another mechanism for environmental control of the allocation of circadian activity and provide new general insight into the role of neuropeptide autoreceptors in behavioral control circuits.

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.

On Variations in the Level of PER in Glial Clocks of Drosophila Optic Lobe and Its Negative Regulation by PDF Signaling.

Science.gov (United States)

Górska-Andrzejak, Jolanta; Chwastek, Elżbieta M; Walkowicz, Lucyna; Witek, Kacper

2018-01-01

We show that the level of the core protein of the circadian clock Period (PER) expressed by glial peripheral oscillators depends on their location in the Drosophila optic lobe. It appears to be controlled by the ventral lateral neurons (LNvs) that release the circadian neurotransmitter Pigment Dispersing Factor (PDF). We demonstrate that glial cells of the distal medulla neuropil (dMnGl) that lie in the vicinity of the PDF-releasing terminals of the LNvs possess receptors for PDF (PDFRs) and express PER at significantly higher level than other types of glia. Surprisingly, the amplitude of PER molecular oscillations in dMnGl is increased twofold in PDF-free environment, that is in Pdf 0 mutants. The Pdf 0 mutants also reveal an increased level of glia-specific protein REPO in dMnGl. The photoreceptors of the compound eye (R-cells) of the PDF-null flies, on the other hand, exhibit de-synchrony of PER molecular oscillations, which manifests itself as increased variability of PER-specific immunofluorescence among the R-cells. Moreover, the daily pattern of expression of the presynaptic protein Bruchpilot (BRP) in the lamina terminals of the R-cells is changed in Pdf 0 mutant. Considering that PDFRs are also expressed by the marginal glia of the lamina that surround the R-cell terminals, the LNv pacemakers appear to be the likely modulators of molecular cycling in the peripheral clocks of both the glial cells and the photoreceptors of the compound eye. Consequently, some form of PDF-based coupling of the glial clocks and the photoreceptors of the eye with the central LNv pacemakers must be operational.

Structural isoforms of the circadian neuropeptide PDF expressed in the optic lobes of the cricket Gryllus bimaculatus: immunocytochemical evidence from specific monoclonal antibodies.

Science.gov (United States)

Honda, Takeshi; Matsushima, Ayami; Sumida, Kazunori; Chuman, Yoshiro; Sakaguchi, Kazuyasu; Onoue, Hitoshi; Meinertzhagen, Ian A; Shimohigashi, Yasuyuki; Shimohigashi, Miki

2006-11-20

Pigment-dispersing factor (PDF) is an 18-mer peptide that acts as a principal neurotransmitter of the insect circadian clock. Our previous study, utilizing anti-Uca beta-PDH polyclonal antibody (pAb) to immunolabel the optic lobe of the cricket Gryllus bimaculatus, suggested the existence of an alternative PDF-like peptide in the outer cells of the first neuropile, or lamina (La), which were much less immunoreactive than the inner cells of the second neuropile, the medulla (Me). To obtain structural information about such a PDF-like peptide, we prepared 10 anti-Gryllus PDF monoclonal (mAb) and pAb antibodies and analyzed their detailed epitope specificities. The PDFMe and PDFLa inner cells and their axonal projections were clearly immunoreactive to all these antibodies, revealing the widespread immunocytochemical organization of the PDF system in the optic lobe, as seen previously with anti-Uca beta-PDH pAb and anti-Gryllus PDF mAb, the epitope structures of which were also clarified in this study. The lamina outer cells, which we found lacked a target pdf mRNA, displayed specific immunoreactivities, indicating that the cells contain a distinct PDF-like peptide possessing both N- and C-terminal structures. These cells were not immunolabeled by some other monoclonal antibodies, however, implying that the PDFLa outer cells have a PDF isoform peptide devoid of Asn at positions 6 and 16. This isoform was also identified in a varicose arborization in the lamina. These results suggest not only the structure of the peptide, but also the possibility of additional functions of this novel PDF isoform.

Comparison of PDF and Moment Closure Methods in the Modeling of Turbulent Reacting Flows

Science.gov (United States)

Norris, Andrew T.; Hsu, Andrew T.

1994-01-01

In modeling turbulent reactive flows, Probability Density Function (PDF) methods have an advantage over the more traditional moment closure schemes in that the PDF formulation treats the chemical reaction source terms exactly, while moment closure methods are required to model the mean reaction rate. The common model used is the laminar chemistry approximation, where the effects of turbulence on the reaction are assumed negligible. For flows with low turbulence levels and fast chemistry, the difference between the two methods can be expected to be small. However for flows with finite rate chemistry and high turbulence levels, significant errors can be expected in the moment closure method. In this paper, the ability of the PDF method and the moment closure scheme to accurately model a turbulent reacting flow is tested. To accomplish this, both schemes were used to model a CO/H2/N2- air piloted diffusion flame near extinction. Identical thermochemistry, turbulence models, initial conditions and boundary conditions are employed to ensure a consistent comparison can be made. The results of the two methods are compared to experimental data as well as to each other. The comparison reveals that the PDF method provides good agreement with the experimental data, while the moment closure scheme incorrectly shows a broad, laminar-like flame structure.

Fulltext PDF

Indian Academy of Sciences (India)

Six sigma (11) 72 (CR). Slender loris (1) 64 (FA). Slip velocity (5) 61 (GA). Social organisation (1) 64 (FA). ~oil fertility (6) 6 (GA). Soil science (1) 26 (GA). Solar atmosphere (12) 14 (GA). Solar neutrino detection puzzle (3) 8 (GA). Solar parallax (3) 65 (CR). Solid dispersion (12) 25 (GA). Special relativity. (7) 77, (11) 56 (CR).

गोवा के तट का समुद्री पुरातात्विक अन्वेषण - निष्कर्ष और व्याख्य

Digital Repository Service at National Institute of Oceanography (India)

Tripati, S.; Sharma, R.

stream_size 115 stream_content_type text/plain stream_name Sagarbodh_2010_74.pdf.txt stream_source_info Sagarbodh_2010_74.pdf.txt Content-Encoding UTF-8 Content-Type text/plain; charset=UTF-8 74 75 76 77 78 79 {gbm {Ìn...

Autoreceptor control of peptide/neurotransmitter corelease from PDF neurons determines allocation of circadian activity in drosophila.

Science.gov (United States)

Choi, Charles; Cao, Guan; Tanenhaus, Anne K; McCarthy, Ellena V; Jung, Misun; Schleyer, William; Shang, Yuhua; Rosbash, Michael; Yin, Jerry C P; Nitabach, Michael N

2012-08-30

Drosophila melanogaster flies concentrate behavioral activity around dawn and dusk. This organization of daily activity is controlled by central circadian clock neurons, including the lateral-ventral pacemaker neurons (LN(v)s) that secrete the neuropeptide PDF (pigment dispersing factor). Previous studies have demonstrated the requirement for PDF signaling to PDF receptor (PDFR)-expressing dorsal clock neurons in organizing circadian activity. Although LN(v)s also express functional PDFR, the role of these autoreceptors has remained enigmatic. Here, we show that (1) PDFR activation in LN(v)s shifts the balance of circadian activity from evening to morning, similar to behavioral responses to summer-like environmental conditions, and (2) this shift is mediated by stimulation of the Gα,s-cAMP pathway and a consequent change in PDF/neurotransmitter corelease from the LN(v)s. These results suggest another mechanism for environmental control of the allocation of circadian activity and provide new general insight into the role of neuropeptide autoreceptors in behavioral control circuits. Copyright © 2012 The Authors. Published by Elsevier Inc. All rights reserved.

Autoreceptor Modulation of Peptide/Neurotransmitter Co-release from PDF Neurons Determines Allocation of Circadian Activity in Drosophila

Science.gov (United States)

Choi, Charles; Cao, Guan; Tanenhaus, Anne K.; McCarthy, Ellena v.; Jung, Misun; Schleyer, William; Shang, Yuhua; Rosbash, Michael; Yin, Jerry C.P.; Nitabach, Michael N.

2012-01-01

Drosophila melanogaster flies concentrate behavioral activity around dawn and dusk. This organization of daily activity is controlled by central circadian clock neurons, including the lateral ventral pacemaker neurons (LNvs) that secrete the neuropeptide PDF (Pigment Dispersing Factor). Previous studies have demonstrated the requirement for PDF signaling to PDF receptor (PDFR)-expressing dorsal clock neurons in organizing circadian activity. While LNvs also express functional PDFR, the role of these autoreceptors has remained enigmatic. Here we show that (1) PDFR activation in LNvs shifts the balance of circadian activity from evening to morning, similar to behavioral responses to summer-like environmental conditions and (2) this shift is mediated by stimulation of the Ga,s-cAMP pathway and a consequent change in PDF/neurotransmitter co-release from the LNvs. These results suggest a novel mechanism for environmental control of the allocation of circadian activity and provide new general insight into the role of neuropeptide autoreceptors in behavioral control circuits. PMID:22938867

price list 2015.pdf | Subscription | Journals | Resources | public ...

Indian Academy of Sciences (India)

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Computation of a turbulent channel flow using PDF method

International Nuclear Information System (INIS)

Minier, J.P.; Pozorski, J.

1997-05-01

The purpose of the present paper is to present an analysis of a PDF model (Probability Density Function) and an illustration of the possibilities offered by such a method for a high-Reynolds turbulent channel flow. The first part presents the principles of the PDF approach and the introduction of stochastic processes along with a Lagrangian point of view. The model retained is the one put forward by Pope (1991) and includes evolution equations for location, velocity and dissipation of a large number of particles. Wall boundary conditions are then developed for particles. These conditions allow statistical results of the logarithmic region to be correctly reproduced. Simulation of non-homogeneous flows require a pressure-gradient algorithm which is briefly described. Developments are validated by analysing numerical predictions with respect to Comte Bellot experimental data (1965) on a channel flow. This example illustrates the ability of the approach to simulate wall-bounded flows and to provide detailed information such as skewness and flatness factors. (author)

The PDF method for Lagrangian two-phase flow simulations

International Nuclear Information System (INIS)

Minier, J.P.; Pozorski, J.

1996-04-01

A recent turbulence model put forward by Pope (1991) in the context of PDF modelling has been used. In this approach, the one-point joint velocity-dissipation pdf equation is solved by simulating the instantaneous behaviour of a large number of Lagrangian fluid particles. Closure of the evolution equations of these Lagrangian particles is based on stochastic models and more specifically on diffusion processes. Such models are of direct use for two-phase flow modelling where the so-called fluid seen by discrete inclusions has to be modelled. Full Lagrangian simulations have been performed for shear-flows. It is emphasized that this approach gives far more information than traditional turbulence closures (such as the K-ε model) and therefore can be very useful for situations involving complex physics. It is also believed that the present model represents the first step towards a complete Lagrangian-Lagrangian model for dispersed two-phase flow problems. (authors). 21 refs., 6 figs

PDF added value of a high resolution climate simulation for precipitation

Science.gov (United States)

Soares, Pedro M. M.; Cardoso, Rita M.

2015-04-01

General Circulation Models (GCMs) are models suitable to study the global atmospheric system, its evolution and response to changes in external forcing, namely to increasing emissions of CO2. However, the resolution of GCMs, of the order of 1o, is not sufficient to reproduce finer scale features of the atmospheric flow related to complex topography, coastal processes and boundary layer processes, and higher resolution models are needed to describe observed weather and climate. The latter are known as Regional Climate Models (RCMs) and are widely used to downscale GCMs results for many regions of the globe and are able to capture physically consistent regional and local circulations. Most of the RCMs evaluations rely on the comparison of its results with observations, either from weather stations networks or regular gridded datasets, revealing the ability of RCMs to describe local climatic properties, and assuming most of the times its higher performance in comparison with the forcing GCMs. The additional climatic details given by RCMs when compared with the results of the driving models is usually named as added value, and it's evaluation is still scarce and controversial in the literuature. Recently, some studies have proposed different methodologies to different applications and processes to characterize the added value of specific RCMs. A number of examples reveal that some RCMs do add value to GCMs in some properties or regions, and also the opposite, elighnening that RCMs may add value to GCM resuls, but improvements depend basically on the type of application, model setup, atmospheric property and location. The precipitation can be characterized by histograms of daily precipitation, or also known as probability density functions (PDFs). There are different strategies to evaluate the quality of both GCMs and RCMs in describing the precipitation PDFs when compared to observations. Here, we present a new method to measure the PDF added value obtained from

External intermittency prediction using AMR solutions of RANS turbulence and transported PDF models

Science.gov (United States)

Olivieri, D. A.; Fairweather, M.; Falle, S. A. E. G.

2011-12-01

External intermittency in turbulent round jets is predicted using a Reynolds-averaged Navier-Stokes modelling approach coupled to solutions of the transported probability density function (pdf) equation for scalar variables. Solutions to the descriptive equations are obtained using a finite-volume method, combined with an adaptive mesh refinement algorithm, applied in both physical and compositional space. This method contrasts with conventional approaches to solving the transported pdf equation which generally employ Monte Carlo techniques. Intermittency-modified eddy viscosity and second-moment turbulence closures are used to accommodate the effects of intermittency on the flow field, with the influence of intermittency also included, through modifications to the mixing model, in the transported pdf equation. Predictions of the overall model are compared with experimental data on the velocity and scalar fields in a round jet, as well as against measurements of intermittency profiles and scalar pdfs in a number of flows, with good agreement obtained. For the cases considered, predictions based on the second-moment turbulence closure are clearly superior, although both turbulence models give realistic predictions of the bimodal scalar pdfs observed experimentally.

ChemEngine: harvesting 3D chemical structures of supplementary data from PDF files.

Science.gov (United States)

Karthikeyan, Muthukumarasamy; Vyas, Renu

2016-01-01

Digital access to chemical journals resulted in a vast array of molecular information that is now available in the supplementary material files in PDF format. However, extracting this molecular information, generally from a PDF document format is a daunting task. Here we present an approach to harvest 3D molecular data from the supporting information of scientific research articles that are normally available from publisher's resources. In order to demonstrate the feasibility of extracting truly computable molecules from PDF file formats in a fast and efficient manner, we have developed a Java based application, namely ChemEngine. This program recognizes textual patterns from the supplementary data and generates standard molecular structure data (bond matrix, atomic coordinates) that can be subjected to a multitude of computational processes automatically. The methodology has been demonstrated via several case studies on different formats of coordinates data stored in supplementary information files, wherein ChemEngine selectively harvested the atomic coordinates and interpreted them as molecules with high accuracy. The reusability of extracted molecular coordinate data was demonstrated by computing Single Point Energies that were in close agreement with the original computed data provided with the articles. It is envisaged that the methodology will enable large scale conversion of molecular information from supplementary files available in the PDF format into a collection of ready- to- compute molecular data to create an automated workflow for advanced computational processes. Software along with source codes and instructions available at https://sourceforge.net/projects/chemengine/files/?source=navbar.Graphical abstract.

aMCfast: automation of fast NLO computations for PDF fits

CERN Document Server

Bertone, Valerio; Frixione, Stefano; Rojo, Juan; Sutton, Mark

2014-01-01

We present the interface between MadGraph5_aMC@NLO, a self-contained program that calculates cross sections up to next-to-leading order accuracy in an automated manner, and APPLgrid, a code that parametrises such cross sections in the form of look-up tables which can be used for the fast computations needed in the context of PDF fits. The main characteristic of this interface, which we dub aMCfast, is its being fully automated as well, which removes the need to extract manually the process-specific information for additional physics processes, as is the case with other matrix element calculators, and renders it straightforward to include any new process in the PDF fits. We demonstrate this by studying several cases which are easily measured at the LHC, have a good constraining power on PDFs, and some of which were previously unavailable in the form of a fast interface.

77 FR 60132 - Agency Information Collection Activities; Crew Member's Declaration

Science.gov (United States)

2012-10-02

... requirements, supplemental immigration documentation, agricultural quarantine matters, and the importation of... is accessible at http://forms.cbp.gov/pdf/CBP_Form_5129.pdf . Current Actions: This submission is...

77 FR 40892 - Agency Information Collection Activities: Crew Member's Declaration

Science.gov (United States)

2012-07-11

... Form 5129 are used for compliance with currency reporting requirements, supplemental immigration....gov/pdf/CBP_Form_5129.pdf Current Actions: This submission is being made to extend the expiration date...

Dynamic Link Inclusion in Online PDF Journals

OpenAIRE

Probets, Steve; Brailsford, David; Carr, Les; Hall, Wendy

1998-01-01

Two complementary de facto standards for the publication of electronic documents are HTML on theWorldWideWeb and Adobe s PDF (Portable Document Format) language for use with Acrobat viewers. Both these formats provide support for hypertext features to be embedded within documents. We present a method, which allows links and other hypertext material to be kept in an abstract form in separate link databases. The links can then be interpreted or compiled at any stage and applied, in the correct ...

Self-consistent EXAFS PDF Projection Method by Matched Correction of Fourier Filter Signal Distortion

International Nuclear Information System (INIS)

Lee, Jay Min; Yang, Dong-Seok

2007-01-01

Inverse problem solving computation was performed for solving PDF (pair distribution function) from simulated data EXAFS based on data FEFF. For a realistic comparison with experimental data, we chose a model of the first sub-shell Mn-0 pair showing the Jahn Teller distortion in crystalline LaMnO3. To restore the Fourier filtering signal distortion, involved in the first sub-shell information isolated from higher shell contents, relevant distortion matching function was computed initially from the proximity model, and iteratively from the prior-guess during consecutive regularization computation. Adaptive computation of EXAFS background correction is an issue of algorithm development, but our preliminary test was performed under the simulated background correction perfectly excluding the higher shell interference. In our numerical result, efficient convergence of iterative solution indicates a self-consistent tendency that a true PDF solution is convinced as a counterpart of genuine chi-data, provided that a background correction function is iteratively solved using an extended algorithm of MEPP (Matched EXAFS PDF Projection) under development

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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BOMS-D-16-00790.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00748.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-15-01110.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00613.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00443.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00368.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-01004.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-17-00377.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00728.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-17-00315.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00015.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-15-00018.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00023.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-17-00085.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00562.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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1609.pdf | dec102000 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

Home; currsci; dec102000; 1609.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. Ethical Guidelines and Procedures document. Posted on 17 January 2017. A revised version of the ...

BOMS-D-16-00881.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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727.pdf | mar102006 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

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BOMS-D-16-00399.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-17-00399.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-15-00514.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00992.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-17-00606.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-17-00607.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00720.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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BOMS-D-16-00509.pdf | forthcoming | boms | Volumes | public ...

Indian Academy of Sciences (India)

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Perception of Urban Renewal: Reflexions and Coherences of Socio-Spatial Patterns (Brno, Czech Republic)

Czech Academy of Sciences Publication Activity Database

Kunc, J.; Navrátil, J.; Tonev, P.; Frantál, Bohumil; Klusáček, Petr; Martinát, Stanislav; Havlíček, M.; Černík, J.

2014-01-01

Roč. 9, č. 1 (2014), s. 66-77 ISSN 2065-4421 R&D Projects: GA MŠk EE2.3.20.0025 Institutional support: RVO:68145535 Keywords : urban environment * revitalization * perception * Brno * Czech Republic Subject RIV: DE - Earth Magnetism, Geodesy, Geography http://technicalgeography.org/pdf/1_2014/07_kunc.pdf

A consistent transported PDF model for treating differential molecular diffusion

Science.gov (United States)

Wang, Haifeng; Zhang, Pei

2016-11-01

Differential molecular diffusion is a fundamentally significant phenomenon in all multi-component turbulent reacting or non-reacting flows caused by the different rates of molecular diffusion of energy and species concentrations. In the transported probability density function (PDF) method, the differential molecular diffusion can be treated by using a mean drift model developed by McDermott and Pope. This model correctly accounts for the differential molecular diffusion in the scalar mean transport and yields a correct DNS limit of the scalar variance production. The model, however, misses the molecular diffusion term in the scalar variance transport equation, which yields an inconsistent prediction of the scalar variance in the transported PDF method. In this work, a new model is introduced to remedy this problem that can yield a consistent scalar variance prediction. The model formulation along with its numerical implementation is discussed, and the model validation is conducted in a turbulent mixing layer problem.

Maximum entropy PDF projection: A review

Science.gov (United States)

Baggenstoss, Paul M.

2017-06-01

We review maximum entropy (MaxEnt) PDF projection, a method with wide potential applications in statistical inference. The method constructs a sampling distribution for a high-dimensional vector x based on knowing the sampling distribution p(z) of a lower-dimensional feature z = T (x). Under mild conditions, the distribution p(x) having highest possible entropy among all distributions consistent with p(z) may be readily found. Furthermore, the MaxEnt p(x) may be sampled, making the approach useful in Monte Carlo methods. We review the theorem and present a case study in model order selection and classification for handwritten character recognition.

A Electronic Map Data Model Based on PDF

Science.gov (United States)

Zhou, Xiaodong; Yang, Chuncheng; Meng, Nina; Peng, Peng

2018-05-01

In this paper, we proposed the PDFEMAP (PDF electronic map) that is a kind of new electronic map products aiming at the current situation and demand of the use of electronic map products. Firstly gives the definition and characteristics of PDFEMAP, followed by a detailed description of the data model and method for generating PDFEMAP, and finally expounds application modes of the PDFEMAP which feasibility and effectiveness are verified.

Presumed PDF modeling of microjet assisted CH4–H2/air turbulent flames

International Nuclear Information System (INIS)

Chouaieb, Sirine; Kriaa, Wassim; Mhiri, Hatem; Bournot, Philippe

2016-01-01

Highlights: • Microjet assisted CH 4 –H 2 /air turbulent flames are numerically investigated. • Temperature, species and soot are well predicted by the Presumed PDF model. • An inner flame is identified due to the microjet presence. • The addition of hydrogen to the microjet assisted flames enhances mixing. • Soot emission is reduced by 36% for a 10% enriched microjet assisted flame. - Abstract: The characteristics of microjet assisted CH 4 –H 2 /air flames in a turbulent mode are numerically investigated. Simulations are performed using the Computational Fluid Dynamics code Fluent. The Presumed PDF and the Discrete Ordinates models are considered respectively for combustion and radiation modeling. The k–ε Realizable model is adopted as a turbulence closure model. The Tesner model is used to calculate soot particle quantities. In the first part of this paper, the Presumed PDF model is compared to the Eddy Dissipation model and to slow chemistry combustion models from literature. Results show that the Presumed PDF model predicts correctly thermal and species fields, as well as soot formation. The effect of hydrogen enrichment on CH 4 /air confined flames under the addition of an air microjet is investigated in the second part of this work. The found results show that an inner flame was identified due to the air microjet for the CH 4 –H 2 /air flames. Moreover, the increase of hydrogen percentage in the fuel mixture leads to mixing enhancement and consequently to considerable soot emission reduction.

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...

77 FR 65899 - Agency Information Collection Activities: Guarantee of Payment

Science.gov (United States)

2012-10-31

... Payment. OMB Number: 1651-00127. Form Number: Form I-510. Abstract: Section 253 of the Immigration and....gov/pdf/CBP_Form_i510.pdf Action: CBP proposes to extend the expiration date of this information...

An LES-PBE-PDF approach for modeling particle formation in turbulent reacting flows

Science.gov (United States)

Sewerin, Fabian; Rigopoulos, Stelios

2017-10-01

Many chemical and environmental processes involve the formation of a polydispersed particulate phase in a turbulent carrier flow. Frequently, the immersed particles are characterized by an intrinsic property such as the particle size, and the distribution of this property across a sample population is taken as an indicator for the quality of the particulate product or its environmental impact. In the present article, we propose a comprehensive model and an efficient numerical solution scheme for predicting the evolution of the property distribution associated with a polydispersed particulate phase forming in a turbulent reacting flow. Here, the particulate phase is described in terms of the particle number density whose evolution in both physical and particle property space is governed by the population balance equation (PBE). Based on the concept of large eddy simulation (LES), we augment the existing LES-transported probability density function (PDF) approach for fluid phase scalars by the particle number density and obtain a modeled evolution equation for the filtered PDF associated with the instantaneous fluid composition and particle property distribution. This LES-PBE-PDF approach allows us to predict the LES-filtered fluid composition and particle property distribution at each spatial location and point in time without any restriction on the chemical or particle formation kinetics. In view of a numerical solution, we apply the method of Eulerian stochastic fields, invoking an explicit adaptive grid technique in order to discretize the stochastic field equation for the number density in particle property space. In this way, sharp moving features of the particle property distribution can be accurately resolved at a significantly reduced computational cost. As a test case, we consider the condensation of an aerosol in a developed turbulent mixing layer. Our investigation not only demonstrates the predictive capabilities of the LES-PBE-PDF model but also

1089.pdf | jul2014 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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630.pdf | sep102009 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

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37.pdf | jan102006 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

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867.pdf | aug2012 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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1417.pdf | nov252004 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

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897.pdf | apr102004 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

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Regional unemployment and human capital in transition economies

Czech Academy of Sciences Publication Activity Database

Jurajda, Štěpán; Terrell, K.

-, č. 77 (2007), s. 1-34 Institutional research plan: CEZ:AV0Z70850503 Keywords : unemployment * human capital * regional labor markets Subject RIV: AH - Economics http://ipc.umich.edu/ working papers/ipc-77-jurajda,terrell,regional-unemployment-human- capital -transition-economies.pdf

Download this PDF file

African Journals Online (AJOL)

): 78-24S. acid composition of amaranth oil is similar. Golden BE, Golden MNH. to that of wheat germ, oat and rice bran oil. Relationship among dietary quality, in that it contains around 77% unsaturated children's appetite, growth stunting.

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

African Journals Online (AJOL)

East African Medical Journal. Journal Home · ABOUT THIS JOURNAL · Advanced Search · Current Issue · Archives · Journal Home > Vol 77, No 4 (2000) >. 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 ...

Resonance – Journal of Science Education | News

Indian Academy of Sciences (India)

pp 63-76 General Article. Wings of the Night: The Natural History of Bats · Uttam Saikia · More Details Fulltext PDF. pp 77-86 Feature Article. Molecule Matters - Metal Organic Frameworks (MOFs) · R Sarvanakumar S Sankararaman · More Details Fulltext PDF. pp 87-88 Classroom. A Note on Sum-Product Numbers Series.

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African Journals Online (AJOL)

DR. AMINU

reductions (p 0.05) in pollution in measured parameters of the treated sludge samples with 74.69. %, 77.67 % and ... advantage of the nutrients, soil-enhancing and fuel properties ... collection of the sludge from the sedimentation tank and also ...

A novel background field removal method for MRI using projection onto dipole fields (PDF).

Science.gov (United States)

Liu, Tian; Khalidov, Ildar; de Rochefort, Ludovic; Spincemaille, Pascal; Liu, Jing; Tsiouris, A John; Wang, Yi

2011-11-01

For optimal image quality in susceptibility-weighted imaging and accurate quantification of susceptibility, it is necessary to isolate the local field generated by local magnetic sources (such as iron) from the background field that arises from imperfect shimming and variations in magnetic susceptibility of surrounding tissues (including air). Previous background removal techniques have limited effectiveness depending on the accuracy of model assumptions or information input. In this article, we report an observation that the magnetic field for a dipole outside a given region of interest (ROI) is approximately orthogonal to the magnetic field of a dipole inside the ROI. Accordingly, we propose a nonparametric background field removal technique based on projection onto dipole fields (PDF). In this PDF technique, the background field inside an ROI is decomposed into a field originating from dipoles outside the ROI using the projection theorem in Hilbert space. This novel PDF background removal technique was validated on a numerical simulation and a phantom experiment and was applied in human brain imaging, demonstrating substantial improvement in background field removal compared with the commonly used high-pass filtering method. Copyright © 2011 John Wiley & Sons, Ltd.

The photon PDF from high-mass Drell Yan data at the LHC

CERN Document Server

Giuli, Francesco

2017-05-25

In this contribution, we review the results of [1], where a determination of the photon PDF from fits to recent ATLAS measurements of high-mass Drell-Yan dilepton production at $\\sqrt{s}$ = 8 TeV is presented.

M D Subash Chandran

Indian Academy of Sciences (India)

M D Subash Chandran · More Details Fulltext PDF. Volume 4 Issue 10 October 1999 pp 69-77 Classroom. Project Lifescape – Flowering Plants · M D Subash Chandran V V Sivan · More Details Fulltext PDF. Volume 7 Issue 11 November 2002 pp 80-81 Book Review. Ecology and Sustainable Development · M D Subash ...

Density, porosity, mineralogy, and internal structure of cosmic dust and alteration of its properties during high velocity atmospheric entry

Czech Academy of Sciences Publication Activity Database

Kohout, Tomáš; Kallonen, A.; Suuronen, J.-P.; Rochette, P.; Hutzler, A.; Gattacceca, J.; Badjukov, D. D.; Skála, Roman; Böhmová, Vlasta; Čuda, J.

2014-01-01

Roč. 49, Special issue 1 (2014), A211-A211 ISSN 1086-9379. [Annual Meeting of the Meteoritical Society /77./. 08.09.2014-13.09.2014, Casablanca] Institutional support: RVO:67985831 Keywords : micrometeorite * tomography * density * porosity * meteoroid Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics http://www.hou.usra.edu/meetings/metsoc2014/pdf/5162.pdf

Charm and beauty quark masses in the MMHT2014 global PDF analysis.

Science.gov (United States)

Harland-Lang, L A; Martin, A D; Motylinski, P; Thorne, R S

We investigate the variation in the MMHT2014 PDFs when we allow the heavy-quark masses [Formula: see text] and [Formula: see text] to vary away from their default values. We make PDF sets available in steps of [Formula: see text] and [Formula: see text], and present the variation in the PDFs and in the predictions. We examine the comparison to the HERA data on charm and beauty structure functions and note that in each case the heavy-quark data, and the inclusive data, have a slight preference for lower masses than our default values. We provide PDF sets with three and four active quark flavours, as well as the standard value of five flavours. We use the pole mass definition of the quark masses, as in the default MMHT2014 analysis, but briefly comment on the [Formula: see text] definition.

JESS-D-16-00449.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Home; public; Volumes; jess; forthcoming; JESS-D-16-00449.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 ...

JESS-D-16-00288.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Home; public; Volumes; jess; forthcoming; JESS-D-16-00288.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 ...

424.pdf | 10feb2011 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

Home; currsci; 10feb2011; 424.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. Summer Research Fellowship Programme 2018 · Focus Area Science Technology Summer Fellowship ...

JESS-D-17-00080.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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0090.pdf | 12 | 087 | pram | Volumes | public | Indian Academy of ...

Indian Academy of Sciences (India)

Home; public; Volumes; pram; 087; 12; 0090.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. Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science ...

JESS-D-17-00037.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00047.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00003.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Home; public; Volumes; jess; forthcoming; JESS-D-17-00003.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 ...

154.pdf | 25jan2011 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

Home; currsci; 25jan2011; 154.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. Ethical Guidelines and Procedures document. Posted on 17 January 2017. A revised version of the ...

JESS-D-16-00178.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00654.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00540.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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JESS-D-16-00357.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00026.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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JESS-D-16-00349.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00140.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00159.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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JESS-D-16-00319.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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JESS-D-16-00476.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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Crystallization and preliminary X-ray crystallographic analysis of peptide deformylase (PDF) from Bacillus cereus in ligand-free and actinonin-bound forms

International Nuclear Information System (INIS)

Park, Joon Kyu; Moon, Jin Ho; Kim, Jae-Hong; Kim, Eunice EunKyeong

2004-01-01

Peptide deformylase (PDF) from B. cereus has been overexpressed, purified and crystallized in ligand-free and actinonin-bound forms. Diffraction data have been collected from these crystals to 1.7 and 2.0 Å resolution, respectively. In bacteria, protein expression initiates with an N-formyl group and this needs to be removed in order to ensure proper bacterial growth. These formylation and deformylation processes are unique to eubacteria; therefore, inhibition of these would provide a novel antibacterial therapy. Deformylation is carried out by peptide deformylase (PDF). PDF from Bacillus cereus, one of the major pathogenic bacteria, was cloned into expression plasmid pET-28a (Novagen), overexpressed in Escherichia coli BL21 (DE3) and purified to high quality. Crystals have been obtained of both ligand-free PDF and PDF to which actinonin, a highly potent naturally occurring inhibitor, is bound. Both crystals belong to space group P2 1 2 1 2 1 , with unit-cell parameters a = 42.72, b = 44.04, c = 85.19 Å and a = 41.31, b = 44.56, c = 84.47 Å, respectively. Diffraction data were collected to 1.7 Å resolution for the inhibitor-free crystals and to 2.0 Å resolution for the actinonin-bound crystals

Transported PDF Modeling of Nonpremixed Turbulent CO/H-2/N-2 Jet Flames

Energy Technology Data Exchange (ETDEWEB)

Zhao, xinyu; Haworth, D. C.; Huckaby, E. David

2012-01-01

Turbulent CO/H{sub 2}/N{sub 2} (“syngas”) flames are simulated using a transported composition probability density function (PDF) method. A consistent hybrid Lagrangian particle/Eulerian mesh algorithm is used to solve the modeled PDF transport equation. The model includes standard k–ϵ turbulence, gradient transport for scalars, and Euclidean minimum spanning tree (EMST) mixing. Sensitivities of model results to variations in the turbulence model, the treatment of radiation heat transfer, the choice of chemical mechanism, and the PDF mixing model are explored. A baseline model reproduces the measured mean and rms temperature, major species, and minor species profiles reasonably well, and captures the scaling that is observed in the experiments. Both our results and the literature suggest that further improvements can be realized with adjustments in the turbulence model, the radiation heat transfer model, and the chemical mechanism. Although radiation effects are relatively small in these flames, consideration of radiation is important for accurate NO prediction. Chemical mechanisms that have been developed specifically for fuels with high concentrations of CO and H{sub 2} perform better than a methane mechanism that was not designed for this purpose. It is important to account explicitly for turbulence–chemistry interactions, although the details of the mixing model do not make a large difference in the results, within reasonable limits.

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dell

2014-04-01

Apr 1, 2014 ... maternal and fetal circulations resulting in poor fetal outcome. ... Twenty nine percent had an abnormal Cerebro-placental ratio ... development of new arterial hypertension in pregnant women .... (95% CI 64%, 96.5%) sensitivity, 77% (70%, 83.2%) specificity, 30% ..... Indian J Med Res 2004; 120: 44-50.

Measurement of Triple-Differential Dijet Cross Sections with the CMS Detector at 8 TeV and PDF Constraints

CERN Document Server

Sieber, Georg; Müller, Thomas

The first measurement of triple-differential dijet cross sections at the LHC is presented using 19. 71 fb−1 of data collected with the CMS detector in proton-proton collisions at 8TeV. The cross sections are measured as a function of the average transverse momentum, the rapidity separation, and the boost of the two leading jets. The unfolded cross sections agree with perturbative QCD calculations at NLO accuracy apart from phase space regions containing strongly boosted dijets events, in which the measurement is sensitive to the PDFs. Constraints on the PDFs are derived by including the data in a PDF fit together with DIS cross sections from the HERA experiments. Compared to a fit with HERA DIS data alone, the uncertainties of the PDFs, especially those of the gluon PDF, are significantly reduced and a harder gluon PDF is obtained.

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

Metadata extraction from scientific documents in PDF

OpenAIRE

Alan Pinto Souza

2014-01-01

A maioria dos artigos científicos estão disponíveis no formato PDF. Este padrão permite a geracão de metadados que são inclusos dentro do documento. Porém, muitos autores não definem esta informação, fazendo esse recurso inseguro ou incompleto. Este fato tem motivado pesquisa que busca extrair metadados automaticamente. A extração automática de metadados foi classificada como uma das tarefas mais desafiadoras na área de engenharia de documentos. Este trabalho propõe Artic, um método para extr...

The Arabidopsis mutant iop1 exhibits induced over-expression of the plant defensin gene PDF1.2 and enhanced pathogen resistance

NARCIS (Netherlands)

Penninckx, I.A.M.A.; Eggermont, K.; Schenk, P.M.; Ackerveken, van den G.; Cammue, B.P.A.; Thomma, B.P.H.J.

2003-01-01

Jasmonate and ethylene are concomitantly involved in the induction of the Arabidopsis plant defensin gene PDF1.2. To define genes in the signal transduction pathway leading to the induction of PDF1.2, we screened for mutants with induced over-expression of a β-glucuronidase reporter, under the

Four-year-BS-position-paper.pdf | misc docs | academy | Indian ...

Indian Academy of Sciences (India)

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ilc-25.pdf | dec2005 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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577.pdf | 10sep2010 | currsci | Indian Academy of Sciences

Indian Academy of Sciences (India)

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IndexCopernicus Portal System

Values between brackets represent prevalence rates per 100,000 children. Diarrhea was the most common clinical feature and seen in 10 (62.5%) of IBD cases particularly in those with CD (77%). One patient with Crohn's disease had constipation as a prominent chronic symptom. Anorexia, abdominal pain, weight loss and ...

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Administrator

Surgical site infection and sepsis were the commonest complications observed with an ... outcome and post operative complications. The cases .... Surgical site infection. 27. 20.77. Wound dehiscence. 12. 9.23. Pelvic abscess. 2. 1.54. Septicemia. 10. 7.69. Post operative fever. 16. 12.31. Adhesive bowel obstruction 2. 1.54.

Charm and beauty quark masses in the MMHT2014 global PDF analysis

Energy Technology Data Exchange (ETDEWEB)

Harland-Lang, L.A.; Motylinski, P.; Thorne, R.S. [University College London, Department of Physics and Astronomy, London (United Kingdom); Martin, A.D. [Durham University, Institute for Particle Physics Phenomenology, Durham (United Kingdom)

2016-01-15

We investigate the variation in the MMHT2014 PDFs when we allow the heavy-quark masses m{sub c} and m{sub b} to vary away from their default values.Wemake PDF sets available in steps of Δm{sub c} = 0.05 GeV and Δm{sub b} = 0.25 GeV, and present the variation in the PDFs and in the predictions. We examine the comparison to the HERA data on charm and beauty structure functions and note that in each case the heavy-quark data, and the inclusive data, have a slight preference for lower masses than our default values.We provide PDF sets with three and four active quark flavours, as well as the standard value of five flavours. We use the pole mass definition of the quark masses, as in the default MMHT2014 analysis, but briefly comment on the MS definition. (orig.)

Charm and beauty quark masses in the MMHT2014 global PDF analysis

Energy Technology Data Exchange (ETDEWEB)

Harland-Lang, L. A. [Department of Physics and Astronomy, University College London, WC1E 6BT, London (United Kingdom); Martin, A. D. [Institute for Particle Physics Phenomenology, Durham University, DH1 3LE, Durham (United Kingdom); Motylinski, P.; Thorne, R. S., E-mail: thorne@hep.ucl.ac.uk [Department of Physics and Astronomy, University College London, WC1E 6BT, London (United Kingdom)

2016-01-06

We investigate the variation in the MMHT2014 PDFs when we allow the heavy-quark masses m{sub c} and m{sub b} to vary away from their default values. We make PDF sets available in steps of Δm{sub c}=0.05 GeV and Δm{sub b}=0.25 GeV, and present the variation in the PDFs and in the predictions. We examine the comparison to the HERA data on charm and beauty structure functions and note that in each case the heavy-quark data, and the inclusive data, have a slight preference for lower masses than our default values. We provide PDF sets with three and four active quark flavours, as well as the standard value of five flavours. We use the pole mass definition of the quark masses, as in the default MMHT2014 analysis, but briefly comment on the (MS)-bar definition.

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abp

2015-07-09

Jul 9, 2015 ... a prevalence rate of 7.7% among 600 primary school pupils while. Marangu et al noted the ... decrease as age increases and lowest among children from high ... An untreated adenoid hypertrophy may lead to obstructive sleep apnea, ear .... mouth-breathing in children may result in elongation of the middle.

77 FR 33551 - Qualification of Drivers; Exemption Applications; Diabetes Mellitus

Science.gov (United States)

2012-06-06

... provided. Please see the Privacy Act heading below for further information. Docket: For access to the... on January 17, 2008 (73 FR 3316), or you may visit http://edocket.access.gpo.gov/2008/pdf/E8-785.pdf... consciousness, requiring the assistance of another person, or resulting in impaired cognitive function that...

Modeling of the Maximum Entropy Problem as an Optimal Control Problem and its Application to Pdf Estimation of Electricity Price

Directory of Open Access Journals (Sweden)

M. E. Haji Abadi

2013-09-01

Full Text Available In this paper, the continuous optimal control theory is used to model and solve the maximum entropy problem for a continuous random variable. The maximum entropy principle provides a method to obtain least-biased probability density function (Pdf estimation. In this paper, to find a closed form solution for the maximum entropy problem with any number of moment constraints, the entropy is considered as a functional measure and the moment constraints are considered as the state equations. Therefore, the Pdf estimation problem can be reformulated as the optimal control problem. Finally, the proposed method is applied to estimate the Pdf of the hourly electricity prices of New England and Ontario electricity markets. Obtained results show the efficiency of the proposed method.

77 FR 21578 - Agency Information Collection Activities: Guam-CNMI Visa Waiver Agreement

Science.gov (United States)

2012-04-10

... fine, pursuant to section 273 of the Immigration and Nationality Act (INA) (8 U.S.C. 1323), for...: http://forms.cbp.gov/pdf/CBP_Form_i760.pdf . Current Actions: CBP proposes to extend the expiration...

Crystallization and preliminary X-ray crystallographic analysis of peptide deformylase (PDF) from Bacillus cereus in ligand-free and actinonin-bound forms.

Science.gov (United States)

Park, Joon Kyu; Moon, Jin Ho; Kim, Jae-Hong; Kim, Eunice EunKyeong

2005-01-01

In bacteria, protein expression initiates with an N-formyl group and this needs to be removed in order to ensure proper bacterial growth. These formylation and deformylation processes are unique to eubacteria; therefore, inhibition of these would provide a novel antibacterial therapy. Deformylation is carried out by peptide deformylase (PDF). PDF from Bacillus cereus, one of the major pathogenic bacteria, was cloned into expression plasmid pET-28a (Novagen), overexpressed in Escherichia coli BL21 (DE3) and purified to high quality. Crystals have been obtained of both ligand-free PDF and PDF to which actinonin, a highly potent naturally occurring inhibitor, is bound. Both crystals belong to space group P2(1)2(1)2(1), with unit-cell parameters a = 42.72, b = 44.04, c = 85.19 A and a = 41.31, b = 44.56, c = 84.47 A, respectively. Diffraction data were collected to 1.7 A resolution for the inhibitor-free crystals and to 2.0 A resolution for the actinonin-bound crystals.

Asymptotic stability of spectral-based PDF modeling for homogeneous turbulent flows

Science.gov (United States)

Campos, Alejandro; Duraisamy, Karthik; Iaccarino, Gianluca

2015-11-01

Engineering models of turbulence, based on one-point statistics, neglect spectral information inherent in a turbulence field. It is well known, however, that the evolution of turbulence is dictated by a complex interplay between the spectral modes of velocity. For example, for homogeneous turbulence, the pressure-rate-of-strain depends on the integrated energy spectrum weighted by components of the wave vectors. The Interacting Particle Representation Model (IPRM) (Kassinos & Reynolds, 1996) and the Velocity/Wave-Vector PDF model (Van Slooten & Pope, 1997) emulate spectral information in an attempt to improve the modeling of turbulence. We investigate the evolution and asymptotic stability of the IPRM using three different approaches. The first approach considers the Lagrangian evolution of individual realizations (idealized as particles) of the stochastic process defined by the IPRM. The second solves Lagrangian evolution equations for clusters of realizations conditional on a given wave vector. The third evolves the solution of the Eulerian conditional PDF corresponding to the aforementioned clusters. This last method avoids issues related to discrete particle noise and slow convergence associated with Lagrangian particle-based simulations.

Pramana – Journal of Physics | Indian Academy of Sciences

Indian Academy of Sciences (India)

Home; Journals; Pramana – Journal of Physics; Volume 77; Issue 1. Issue front cover thumbnail. Volume 77, Issue 1. July 2011, pages 1-232. Proceedings of the Chandrasekhar Centenary Conference (CHANDRA 2010). pp 1-1. Preface · T Padmanabhan · More Details Fulltext PDF. pp 3-18. Hydrodynamic stability and ...

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User

2013-03-04

Mar 4, 2013 ... H-influenza B, Pertusis, tetanus, yellow fever and poliomyelitis),a reflection of the incomplete coverage with existing vaccines that persists in many parts of the world (Tove, et al.,. FMOH et al., 2004). Infant mortality rate stood a. 77, 76 and under five mortality was 123, 123 pe thousand live births for Ethiopia ...

Multi-variate joint PDF for non-Gaussianities: exact formulation and generic approximations

CERN Document Server

Verde, Licia; Heavens, Alan F; Jimenez, Raul; Matarrese, Sabino

2013-01-01

We provide an exact expression for the multi-variate joint probability distribution function of non-Gaussian fields primordially arising from local transformations of a Gaussian field. This kind of non-Gaussianity is generated in many models of inflation. We apply our expression to the non- Gaussianity estimation from Cosmic Microwave Background maps and the halo mass function where we obtain analytical expressions. We also provide analytic approximations and their range of validity. For the Cosmic Microwave Background we give a fast way to compute the PDF which is valid up to 7{\\sigma} for fNL values (both true and sampled) not ruled out by current observations, which consists of expressing the PDF as a combination of bispectrum and trispectrum of the temperature maps. The resulting expression is valid for any kind of non-Gaussianity and is not limited to the local type. The above results may serve as the basis for a fully Bayesian analysis of the non-Gaussianity parameter.

How bright is the proton? A precise determination of the photon PDF

CERN Document Server

Manohar, Aneesh; Salam, Gavin P; Zanderighi, Giulia

2016-01-01

It has become apparent in recent years that it is important, notably for a range of physics studies at the Large Hadron Collider, to have accurate knowledge on the distribution of photons in the proton. We show how the photon parton distribution function (PDF) can be determined in a model-independent manner, using electron-proton ($ep$) scattering data, in effect viewing the $ep\\to e+X$ process as an electron scattering off the photon field of the proton. To this end, we consider an imaginary BSM process with a flavour changing photon-lepton vertex. We write its cross section in two ways, one in terms of proton structure functions, the other in terms of a photon distribution. Requiring their equivalence yields the photon distribution as an integral over proton structure functions. As a result of the good precision of $ep$ data, we constrain the photon PDF at the level of 1-2% over a wide range of $x$ values.

The photon PDF from high-mass Drell-Yan data at the LHC

Energy Technology Data Exchange (ETDEWEB)

Giuli, F.; Cooper-Sarkar, A. [University of Oxford, Oxford, OX1 3NP (United Kingdom); Bertone, V.; Rojo, J. [VU University, Department of Physics and Astronomy, Amsterdam (Netherlands); Nikhef Theory Group Science Park 105, Amsterdam (Netherlands); Britzger, D.; Glazov, A.; Zenaiev, O. [DESY Hamburg, Hamburg (Germany); Carrazza, S. [CERN, Geneva 23 (Switzerland); Lohwasser, K. [DESY Zeuthen, Zeuthen (Germany); Luszczak, A. [T. Kosciuszko Cracow University of Technology, Cracow (Poland); Olness, F. [SMU Physics, Box 0175, Dallas, TX (United States); Placakyte, R. [Universitaet Hamburg, Institut fuer Theoretische Physik, Hamburg (Germany); Radescu, V. [University of Oxford, Oxford, OX1 3NP (United Kingdom); CERN, Geneva 23 (Switzerland); Sadykov, R.; Shvydkin, P. [Joint Institute for Nuclear Research (JINR), Dubna, Moscow Region (Russian Federation); Lisovyi, M. [Ruprecht-Karls-Universitaet Heidelberg, Physikalisches Institut, Heidelberg (Germany); Collaboration: xFitter Developers' team

2017-06-15

Achieving the highest precision for theoretical predictions at the LHC requires the calculation of hard-scattering cross sections that include perturbative QCD corrections up to (N)NNLO and electroweak (EW) corrections up to NLO. Parton distribution functions (PDFs) need to be provided with matching accuracy, which in the case of QED effects involves introducing the photon parton distribution of the proton, xγ(x,Q{sup 2}). In this work a determination of the photon PDF from fits to recent ATLAS measurements of high-mass Drell-Yan dilepton production at √(s) = 8 TeV is presented. This analysis is based on the xFitter framework, and has required improvements both in the APFEL program, to account for NLO QED effects, and in the aMCfast interface to account for the photon-initiated contributions in the EW calculations within MadGraph5aMC rate at NLO. The results are compared with other recent QED fits and determinations of the photon PDF, consistent results are found. (orig.)

Medusa: una aplicación de la integración entre PDF y ASP:NET®

Directory of Open Access Journals (Sweden)

CARLOS M. ZAPATA J.

2005-01-01

Full Text Available El formato de Documentos Portátiles (PDF por sus siglas en inglés se ha venido consolidando en el mundo como un estándar para la transmisión de documentos vía Web, especialmente reconocidos como sólo lectura. Sin embargo, poco se han trabajado las capacidades interactivas de dicha tecnología, en particular para la captura y transmisión de datos a un servidor. En este artículo se presenta MEDUSA, un software basado en tecnología PDF que interactúa con ASP® y ASP.NET® para el manejo de una plataforma de compras vía Web.

77 FR 6137 - Agency Information Collection Activities: Guam-CNMI Visa Waiver Agreement

Science.gov (United States)

2012-02-07

... CFR 212.1(q). Carriers are liable and subject to fine, pursuant to section 273 of the Immigration and... on Form I-760. This form is accessible at http://forms.cbp.gov/pdf/CBP_Form_i760.pdf . Current...

Modeling the Bergeron-Findeisen Process Using PDF Methods With an Explicit Representation of Mixing

Science.gov (United States)

Jeffery, C.; Reisner, J.

2005-12-01

Currently, the accurate prediction of cloud droplet and ice crystal number concentration in cloud resolving, numerical weather prediction and climate models is a formidable challenge. The Bergeron-Findeisen process in which ice crystals grow by vapor deposition at the expense of super-cooled droplets is expected to be inhomogeneous in nature--some droplets will evaporate completely in centimeter-scale filaments of sub-saturated air during turbulent mixing while others remain unchanged [Baker et al., QJRMS, 1980]--and is unresolved at even cloud-resolving scales. Despite the large body of observational evidence in support of the inhomogeneous mixing process affecting cloud droplet number [most recently, Brenguier et al., JAS, 2000], it is poorly understood and has yet to be parameterized and incorporated into a numerical model. In this talk, we investigate the Bergeron-Findeisen process using a new approach based on simulations of the probability density function (PDF) of relative humidity during turbulent mixing. PDF methods offer a key advantage over Eulerian (spatial) models of cloud mixing and evaporation: the low probability (cm-scale) filaments of entrained air are explicitly resolved (in probability space) during the mixing event even though their spatial shape, size and location remain unknown. Our PDF approach reveals the following features of the inhomogeneous mixing process during the isobaric turbulent mixing of two parcels containing super-cooled water and ice, respectively: (1) The scavenging of super-cooled droplets is inhomogeneous in nature; some droplets evaporate completely at early times while others remain unchanged. (2) The degree of total droplet evaporation during the initial mixing period depends linearly on the mixing fractions of the two parcels and logarithmically on Damköhler number (Da)---the ratio of turbulent to evaporative time-scales. (3) Our simulations predict that the PDF of Lagrangian (time-integrated) subsaturation (S) goes as

JESS-D-16-00424 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00067 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00399R1.pdf | forthcoming | jess | Volumes | public ...

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Indian Academy of Sciences (India)

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JESS-D-16-00170 R1.pdf | forthcoming | jess | Volumes | public ...

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Indian Academy of Sciences (India)

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JESS-D-16-00284 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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Indian Academy of Sciences (India)

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JESS-D-16-00266R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00405 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00096 R4.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00127R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00307 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00302 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00485 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00428 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00537 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00082 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00429 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00657 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00330 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00503 R3.pdf | forthcoming | jess | Volumes | public ...

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JESS-D-16-00409 R2.pdf | forthcoming | jess | Volumes | public ...

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JESS-D-15-00464R2.pdf | forthcoming | jess | Volumes | public ...

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JESS-D-16-00287 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00370 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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796.pdf | sept 25 2004 | curr sci | Indian Academy of Sciences

Indian Academy of Sciences (India)

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JESS-D-16-00451R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00508 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00457 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00197 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00432 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00583 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00331R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00216R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00462 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00615 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00069 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00237 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00189 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00274 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00379 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00392 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00575 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00024 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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Evaluation of scalar mixing and time scale models in PDF simulations of a turbulent premixed flame

Energy Technology Data Exchange (ETDEWEB)

Stoellinger, Michael; Heinz, Stefan [Department of Mathematics, University of Wyoming, Laramie, WY (United States)

2010-09-15

Numerical simulation results obtained with a transported scalar probability density function (PDF) method are presented for a piloted turbulent premixed flame. The accuracy of the PDF method depends on the scalar mixing model and the scalar time scale model. Three widely used scalar mixing models are evaluated: the interaction by exchange with the mean (IEM) model, the modified Curl's coalescence/dispersion (CD) model and the Euclidean minimum spanning tree (EMST) model. The three scalar mixing models are combined with a simple model for the scalar time scale which assumes a constant C{sub {phi}}=12 value. A comparison of the simulation results with available measurements shows that only the EMST model calculates accurately the mean and variance of the reaction progress variable. An evaluation of the structure of the PDF's of the reaction progress variable predicted by the three scalar mixing models confirms this conclusion: the IEM and CD models predict an unrealistic shape of the PDF. Simulations using various C{sub {phi}} values ranging from 2 to 50 combined with the three scalar mixing models have been performed. The observed deficiencies of the IEM and CD models persisted for all C{sub {phi}} values considered. The value C{sub {phi}}=12 combined with the EMST model was found to be an optimal choice. To avoid the ad hoc choice for C{sub {phi}}, more sophisticated models for the scalar time scale have been used in simulations using the EMST model. A new model for the scalar time scale which is based on a linear blending between a model for flamelet combustion and a model for distributed combustion is developed. The new model has proven to be very promising as a scalar time scale model which can be applied from flamelet to distributed combustion. (author)

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2012-06-22

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2012-06-15

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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.

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2012-04-17

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Applying an economical scale-aware PDF-based turbulence closure model in NOAA NCEP GCMs.

Science.gov (United States)

Belochitski, A.; Krueger, S. K.; Moorthi, S.; Bogenschutz, P.; Cheng, A.

2017-12-01

A novel unified representation of sub-grid scale (SGS) turbulence, cloudiness, and shallow convection is being implemented into the NOAA NCEP Global Forecasting System (GFS) general circulation model. The approach, known as Simplified High Order Closure (SHOC), is based on predicting a joint PDF of SGS thermodynamic variables and vertical velocity, and using it to diagnose turbulent diffusion coefficients, SGS fluxes, condensation, and cloudiness. Unlike other similar methods, comparatively few new prognostic variables needs to be introduced, making the technique computationally efficient. In the base version of SHOC it is SGS turbulent kinetic energy (TKE), and in the developmental version — SGS TKE, and variances of total water and moist static energy (MSE). SHOC is now incorporated into a version of GFS that will become a part of the NOAA Next Generation Global Prediction System based around NOAA GFDL's FV3 dynamical core, NOAA Environmental Modeling System (NEMS) coupled modeling infrastructure software, and a set novel physical parameterizations. Turbulent diffusion coefficients computed by SHOC are now used in place of those produced by the boundary layer turbulence and shallow convection parameterizations. Large scale microphysics scheme is no longer used to calculate cloud fraction or the large-scale condensation/deposition. Instead, SHOC provides these quantities. Radiative transfer parameterization uses cloudiness computed by SHOC. An outstanding problem with implementation of SHOC in the NCEP global models is excessively large high level tropical cloudiness. Comparison of the moments of the SGS PDF diagnosed by SHOC to the moments calculated in a GigaLES simulation of tropical deep convection case (GATE), shows that SHOC diagnoses too narrow PDF distributions of total cloud water and MSE in the areas of deep convective detrainment. A subsequent sensitivity study of SHOC's diagnosed cloud fraction (CF) to higher order input moments of the SGS PDF

Drosophila DH31 Neuropeptide and PDF Receptor Regulate Night-Onset Temperature Preference.

Science.gov (United States)

Goda, Tadahiro; Tang, Xin; Umezaki, Yujiro; Chu, Michelle L; Hamada, Fumika N

2016-11-16

Body temperature exhibits rhythmic fluctuations over a 24 h period (Refinetti and Menaker, 1992) and decreases during the night, which is associated with sleep initiation (Gilbert et al., 2004; Kräuchi, 2007a,b). However, the underlying mechanism of this temperature decrease is largely unknown. We have previously shown that Drosophila exhibit a daily temperature preference rhythm (TPR), in which their preferred temperatures increase during the daytime and then decrease at the transition from day to night (night-onset) (Kaneko et al., 2012). Because Drosophila are small ectotherms, their body temperature is very close to that of the ambient temperature (Stevenson, 1985), suggesting that their TPR generates their body temperature rhythm. Here, we demonstrate that the neuropeptide diuretic hormone 31 (DH31) and pigment-dispersing factor receptor (PDFR) contribute to regulate the preferred temperature decrease at night-onset. We show that PDFR and tethered-DH31 expression in dorsal neurons 2 (DN2s) restore the preferred temperature decrease at night-onset, suggesting that DH31 acts on PDFR in DN2s. Notably, we previously showed that the molecular clock in DN2s is important for TPR. Although PDF (another ligand of PDFR) is a critical factor for locomotor activity rhythms, Pdf mutants exhibit normal preferred temperature decreases at night-onset. This suggests that DH31-PDFR signaling specifically regulates a preferred temperature decrease at night-onset. Thus, we propose that night-onset TPR and locomotor activity rhythms are differentially controlled not only by clock neurons but also by neuropeptide signaling in the brain. Body temperature rhythm (BTR) is fundamental for the maintenance of functions essential for homeostasis, such as generating metabolic energy and sleep. One major unsolved question is how body temperature decreases dramatically during the night. Previously, we demonstrated that a BTR-like mechanism, referred to as temperature preference rhythm (TPR

An Investigation of a Hybrid Mixing Model for PDF Simulations of Turbulent Premixed Flames

Science.gov (United States)

Zhou, Hua; Li, Shan; Wang, Hu; Ren, Zhuyin

2015-11-01

Predictive simulations of turbulent premixed flames over a wide range of Damköhler numbers in the framework of Probability Density Function (PDF) method still remain challenging due to the deficiency in current micro-mixing models. In this work, a hybrid micro-mixing model, valid in both the flamelet regime and broken reaction zone regime, is proposed. A priori testing of this model is first performed by examining the conditional scalar dissipation rate and conditional scalar diffusion in a 3-D direct numerical simulation dataset of a temporally evolving turbulent slot jet flame of lean premixed H2-air in the thin reaction zone regime. Then, this new model is applied to PDF simulations of the Piloted Premixed Jet Burner (PPJB) flames, which are a set of highly shear turbulent premixed flames and feature strong turbulence-chemistry interaction at high Reynolds and Karlovitz numbers. Supported by NSFC 51476087 and NSFC 91441202.

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2012-03-01

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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.

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

Illuminating the photon content of the proton within a global PDF analysis arXiv

CERN Document Server

Bertone, Valerio; Hartland, Nathan P.; Rojo, Juan

Precision phenomenology at the LHC requires accounting for both higher-order QCD and electroweak corrections as well as for photon-initiated subprocesses. Building upon the recent NNPDF3.1 fit, in this work the photon content of the proton is determined within a global analysis supplemented by the LUXqed constraint relating the photon PDF to lepton-proton scattering structure functions: NNPDF3.1luxQED. The uncertainties on the resulting photon PDF are at the level of a few percent, with photons carrying up to 0.5% of the proton's momentum. We study the phenomenological implications of NNPDF3.1luxQED at the LHC for Drell-Yan, vector boson pair, top quark pair, and Higgs plus vector boson production. We find that photon-initiated contributions can be significant for many processes, leading to corrections of up to 20%. Our results represent a state-of-the-art determination of the partonic structure of the proton including its photon component.

Analysis of subgrid scale mixing using a hybrid LES-Monte-Carlo PDF method

International Nuclear Information System (INIS)

Olbricht, C.; Hahn, F.; Sadiki, A.; Janicka, J.

2007-01-01

This contribution introduces a hybrid LES-Monte-Carlo method for a coupled solution of the flow and the multi-dimensional scalar joint pdf in two complex mixing devices. For this purpose an Eulerian Monte-Carlo method is used. First, a complex mixing device (jet-in-crossflow, JIC) is presented in which the stochastic convergence and the coherency between the scalar field solution obtained via finite-volume methods and that from the stochastic solution of the pdf for the hybrid method are evaluated. Results are compared to experimental data. Secondly, an extensive investigation of the micromixing on the basis of assumed shape and transported SGS-pdfs in a configuration with practical relevance is carried out. This consists of a mixing chamber with two opposite rows of jets penetrating a crossflow (multi-jet-in-crossflow, MJIC). Some numerical results are compared to available experimental data and to RANS based results. It turns out that the hybrid LES-Monte-Carlo method could achieve a detailed analysis of the mixing at the subgrid level

PDF uncertainties in precision electroweak measurements, including the W mass, in ATLAS

CERN Document Server

Cooper-Sarkar, Amanda; The ATLAS collaboration

2015-01-01

Now that the Higgs mass is known all the parameters of the SM are known- but with what accuracy? Precision EW measurements test the self-consistency of the SM- and thus can give hints of BSM physics. Precision measurements of $sin^2\\theta _W$ and the W mass are limited by PDF uncertainties This contribution discusses these uncertainties and what can be done to improve them.

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2012-01-18

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... Multifocal tuberculous osteomyelitis/osteochondritis of ribs in patient with ... Vol 94, No 6 (2017), Musculoskeletal pain and backpack usage among .... Vol 77, No 12 (2000), Neuro-vascular injuries associated with limb fractures, Abstract PDF.

PDF models and synthetic model for the wind speed fluctuations based on the resolution of Langevin equation

International Nuclear Information System (INIS)

Calif, Rudy

2012-01-01

Highlights: ► Probability Density Functions are proposed to fit the wind speed fluctuations distributions for three representative classes. ► Stochastic simulations are performed using a Langevin equation for each class. ► The properties of simulated and measured wind speed sequences are close. -- Abstract: Wind energy production is very sensitive to turbulent wind speed. Thus rapid variation of wind speed due to changes in the local meteorological conditions can lead to electrical power variations of the order of the nominal power output, in particular when wind power variations on very short time scales, range at few seconds to 1 h, are considered. In small grid as they exist on islands (Guadeloupean Archipelago: French West Indies) such fluctuations can cause instabilities in case of intermediate power shortages. The developed analysis in reveals three main classes of time series for the wind speed fluctuations. In this work, Probability Density Functions (PDFs) are proposed to fit the wind speed fluctuations distributions in each class. After, to simulate wind speed fluctuations sequences, we use a stochastic differential equation, the Langevin equation considering Gaussian turbulence PDF (class I), Gram–Charlier PDF (class II) and a mixture of gaussian PDF (class III). The statistical and dynamical properties of simulated wind sequences are close to those of measured wind sequences, for each class.

The present state and future directions of PDF methods

Science.gov (United States)

Pope, S. B.

1992-01-01

The objectives of the workshop are presented in viewgraph format, as is this entire article. The objectives are to discuss the present status and the future direction of various levels of engineering turbulence modeling related to Computational Fluid Dynamics (CFD) computations for propulsion; to assure that combustion is an essential part of propulsion; and to discuss Probability Density Function (PDF) methods for turbulent combustion. Essential to the integration of turbulent combustion models is the development of turbulent model, chemical kinetics, and numerical method. Some turbulent combustion models typically used in industry are the k-epsilon turbulent model, the equilibrium/mixing limited combustion, and the finite volume codes.

Modeling non-Fickian dispersion by use of the velocity PDF on the pore scale

Science.gov (United States)

Kooshapur, Sheema; Manhart, Michael

2015-04-01

For obtaining a description of reactive flows in porous media, apart from the geometrical complications of resolving the velocities and scalar values, one has to deal with the additional reactive term in the transport equation. An accurate description of the interface of the reacting fluids - which is strongly influenced by dispersion- is essential for resolving this term. In REV-based simulations the reactive term needs to be modeled taking sub-REV fluctuations and possibly non-Fickian dispersion into account. Non-Fickian dispersion has been observed in strongly heterogeneous domains and in early phases of transport. A fully resolved solution of the Navier-Stokes and transport equations which yields a detailed description of the flow properties, dispersion, interfaces of fluids, etc. however, is not practical for domains containing more than a few thousand grains, due to the huge computational effort required. Through Probability Density Function (PDF) based methods, the velocity distribution in the pore space can facilitate the understanding and modelling of non-Fickian dispersion [1,2]. Our aim is to model the transition between non-Fickian and Fickian dispersion in a random sphere pack within the framework of a PDF based transport model proposed by Meyer and Tchelepi [1,3]. They proposed a stochastic transport model where velocity components of tracer particles are represented by a continuous Markovian stochastic process. In addition to [3], we consider the effects of pore scale diffusion and formulate a different stochastic equation for the increments in velocity space from first principles. To assess the terms in this equation, we performed Direct Numerical Simulations (DNS) for solving the Navier-Stokes equation on a random sphere pack. We extracted the PDFs and statistical moments (up to the 4th moment) of the stream-wise velocity, u, and first and second order velocity derivatives both independent and conditioned on velocity. By using this data and

77 FR 48097 - Operation of Radar Systems in the 76-77 GHz Band

Science.gov (United States)

2012-08-13

... modify the emission limits for vehicular radar systems operating within the 76-77 GHz band. Specifically.... 15.253 of the rules for vehicular radar systems operating in the 76-77 GHz band. Vehicular radars can... sensors operating in the 76-77 GHz band, the spectrum shall be investigated up to 231 GHz. (f) Fundamental...

MATH77 - A LIBRARY OF MATHEMATICAL SUBPROGRAMS FOR FORTRAN 77, RELEASE 4.0

Science.gov (United States)

Lawson, C. L.

1994-01-01

MATH77 is a high quality library of ANSI FORTRAN 77 subprograms implementing contemporary algorithms for the basic computational processes of science and engineering. The portability of MATH77 meets the needs of present-day scientists and engineers who typically use a variety of computing environments. Release 4.0 of MATH77 contains 454 user-callable and 136 lower-level subprograms. Usage of the user-callable subprograms is described in 69 sections of the 416 page users' manual. The topics covered by MATH77 are indicated by the following list of chapter titles in the users' manual: Mathematical Functions, Pseudo-random Number Generation, Linear Systems of Equations and Linear Least Squares, Matrix Eigenvalues and Eigenvectors, Matrix Vector Utilities, Nonlinear Equation Solving, Curve Fitting, Table Look-Up and Interpolation, Definite Integrals (Quadrature), Ordinary Differential Equations, Minimization, Polynomial Rootfinding, Finite Fourier Transforms, Special Arithmetic , Sorting, Library Utilities, Character-based Graphics, and Statistics. Besides subprograms that are adaptations of public domain software, MATH77 contains a number of unique packages developed by the authors of MATH77. Instances of the latter type include (1) adaptive quadrature, allowing for exceptional generality in multidimensional cases, (2) the ordinary differential equations solver used in spacecraft trajectory computation for JPL missions, (3) univariate and multivariate table look-up and interpolation, allowing for "ragged" tables, and providing error estimates, and (4) univariate and multivariate derivative-propagation arithmetic. MATH77 release 4.0 is a subroutine library which has been carefully designed to be usable on any computer system that supports the full ANSI standard FORTRAN 77 language. It has been successfully implemented on a CRAY Y/MP computer running UNICOS, a UNISYS 1100 computer running EXEC 8, a DEC VAX series computer running VMS, a Sun4 series computer running Sun

The second Afrotropical Lepidoptera Workshop in Uganda – A contribution to the Lepidoptera fauna of Kibale National Park and the Mpanga Forest Reserve

Czech Academy of Sciences Publication Activity Database

Baron, T.; Akite, P.; Barnett, M.; Collins, S. C.; Dobson, J.; Fric, Zdeněk; Henning, G.; Kühne, L.; Mey, W.; Ochse, M.; Przybylowicz, L.; Sáfián, S.; Schutte, R.; Selb, H.; Ward, P.

2017-01-01

Roč. 127, č. 2 (2017), s. 77-105 ISSN 0013-8843 Institutional support: RVO:60077344 Keywords : Uganda * Lepidoptera * Afrotropical Region https://www.dropbox.com/s/qqt4jqut03sljqi/Baron_2017_Uganda.pdf?dl=0

Parthenogenetic reproduction of Diaphanosoma celebensis (Crustacea: Cladocera): influence of salinity on feeding, survival, growth and neonate production

Digital Repository Service at National Institute of Oceanography (India)

Achuthankutty, C; Shrivastava, Y.; Mahambre, G.G.; Goswami, S.C; Madhupratap, M.

stream_size 69612 stream_content_type text/plain stream_name Mar_Biol_137_19.pdf.txt stream_source_info Mar_Biol_137_19.pdf.txt Content-Encoding ISO-8859-1 Content-Type text/plain; charset=ISO-8859-1 C67C46 C84C46 C65C99... C104C117C116C104C97C110C107C117C116C116C121 C225 C89C46 C83C104C114C105C118C97C115C116C97C118C97 C225 C71C46 C71C46 C77C97C104C97C109C98C114C101 C83C46 C67C46 C71C111C115C119C97C109C105 C225 C77C46 C77C97C100C104C117C112C114C97C116C97C112 C80C97C114C...

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.

NJP VOLUME 41 NO 4

African Journals Online (AJOL)

PROF. EZECHUKWU

2014-05-03

a85584.pdf (Accessed. 12/12/2013). 13. Hudelson P. Gender differentials in tuberculosis: the role of socio- economic and cultural factors. Tubercle and Lung Disease. 1996;77:391e400. 14. Gustafson P, Lisse I, Gomes V,.

77 FR 59114 - Cyazofamid; Pesticide Tolerances

Science.gov (United States)

2012-09-26

..., sod farms, seed farms, college and professional sports fields, residential and commercial lawns, and.../pesticides/trac/science/trac6a05.pdf . 4. Cumulative effects from substances with a common mechanism of... Chemistry Branch, Environmental Science Center, 701 Mapes Rd., Ft. Meade, MD 20755-5350; telephone number...

Marx @ 200: Debating Capitalism & Perspectives for the Future of Radical Theory (combined PDF of all articles

Directory of Open Access Journals (Sweden)

Christian Fuchs

2018-05-01

Full Text Available Combined pdf of all articles published in the special issue "Marx @ 200: Debating Capitalism & Perspectives for the Future of Radical Theory", edited by Christian Fuchs and Lara Monticelli, tripleC: Communication, Capitalism & Critique 16 (2, 2018, pp. 406-741.

PDF sensitivity studies from ATLAS measurements

CERN Document Server

Hanna, Remie; The ATLAS collaboration

2015-01-01

Several measurements performed by the ATLAS collaboration are either useful to constrain the proton structure or are affected by its associated uncertainties. The strange-quark density is rather poorly known at low x. Measurements of the W+c production and the inclusive W and Z differential cross sections are found to constrain the strange-quark density. Drell-Yan cross section measurements performed above and below the Z peak region have a different sensitivity to parton flavour, parton momentum fraction x and scale Q compared to measurements on the Z peak and can also be used to constrain the photon content of the proton. Measurements of the inclusive jet and photon cross sections are standard candles and can be useful to constrain the medium and high x gluon densities. Precision electroweak studies performed by ATLAS can be limited by the current knowledge on the proton structure. Among those are the measurement of the effective weak mixing angle and the mass of the W boson. Dedicated PDF studies were perf...

77 FR 74891 - Order Granting Exemptions From Certain Rules of Regulation SHO Related to Hurricane Sandy

Science.gov (United States)

2012-12-18

... Client Update on Superstorm Sandy--Current and Ongoing Operations as Markets Re-Open; Physical.../downloads/legal/imp_notices/2012/dtcc/z0033.pdf ; ``DTCC Client Update on Superstorm Sandy--Physical...://www.dtcc.com/downloads/legal/imp_notices/2012/dtcc/z0035.pdf ; ``DTCC Client Update on Superstorm...

77 FR 66723 - Fluazinam; Pesticide Tolerances

Science.gov (United States)

2012-11-07

... included changes in clinical chemistry (increased serum alkaline phosphatase and aspartate aminotransferase... white matter of the central nervous system was observed in subchronic and chronic studies in mice and..., including adults, youth (11 to http://www.epa.gov/pesticides/trac/science/trac6a05.pdf . 4. Cumulative...

25 CFR 700.77 - Livestock.

Science.gov (United States)

2010-04-01

... 25 Indians 2 2010-04-01 2010-04-01 false Livestock. 700.77 Section 700.77 Indians THE OFFICE OF NAVAJO AND HOPI INDIAN RELOCATION COMMISSION OPERATIONS AND RELOCATION PROCEDURES General Policies and Instructions Definitions § 700.77 Livestock. The term livestock shall mean all domesticated animals of every...

Resonance – Journal of Science Education | Indian Academy of ...

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 8; Issue 11. Origami, Modular Packing and the Soma Puzzle. Subramania Ranganathan. General Article Volume 8 Issue 11 November 2003 pp 71-77. Fulltext. Click here to view fulltext PDF. Permanent link:

Browse Title Index

African Journals Online (AJOL)

Vol 80, No 11 (2003):, Prognostic significance of HLA-DR antigen in ... Vol 86, No 5 (2009), Prostate cancer metastasis to the mandible: case report, Abstract PDF ... Vol 77, No 12 (2000), Prostatic cancer after prostatectomy for benign prstatic ...

The impact of LHC jet data on the MMHT PDF fit at NNLO

Science.gov (United States)

Harland-Lang, L. A.; Martin, A. D.; Thorne, R. S.

2018-03-01

We investigate the impact of the high precision ATLAS and CMS 7 TeV measurements of inclusive jet production on the MMHT global PDF analysis at next-to-next-to-leading order (NNLO). This is made possible by the recent completion of the long-term project to calculate the NNLO corrections to the hard cross section. We find that a good description of the ATLAS data is not possible with the default treatment of experimental systematic errors, and propose a simplified solution that retains the dominant physical information of the data. We then investigate the fit quality and the impact on the gluon PDF central value and uncertainty when the ATLAS and CMS data are included in a MMHT fit. We consider both common choices for the factorization and renormalization scale, namely the inclusive jet transverse momentum, p_\\perp , and the leading jet p_\\perp , as well as the different jet radii for which the ATLAS and CMS data are made available. We find that the impact of these data on the gluon is relatively insensitive to these inputs, in particular the scale choice, while the inclusion of NNLO corrections tends to improve the data description somewhat and has a qualitatively similar though not identical impact on the gluon in comparison to NLO.

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

30 CFR 77.413 - Boilers.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Boilers. 77.413 Section 77.413 Mineral... Mechanical Equipment § 77.413 Boilers. (a) Boilers shall be equipped with guarded, well-maintained water... the gages shall be kept clean and free of scale and rust. (b) Boilers shall be equipped with automatic...

Joint constraints on galaxy bias and σ8 through the N-pdf of the galaxy number density

International Nuclear Information System (INIS)

Arnalte-Mur, Pablo; Martínez, Vicent J.; Vielva, Patricio; Sanz, José L.; Saar, Enn; Paredes, Silvestre

2016-01-01

We present a full description of the N-probability density function of the galaxy number density fluctuations. This N-pdf is given in terms, on the one hand, of the cold dark matter correlations and, on the other hand, of the galaxy bias parameter. The method relies on the assumption commonly adopted that the dark matter density fluctuations follow a local non-linear transformation of the initial energy density perturbations. The N-pdf of the galaxy number density fluctuations allows for an optimal estimation of the bias parameter (e.g., via maximum-likelihood estimation, or Bayesian inference if there exists any a priori information on the bias parameter), and of those parameters defining the dark matter correlations, in particular its amplitude (σ 8 ). It also provides the proper framework to perform model selection between two competitive hypotheses. The parameters estimation capabilities of the N-pdf are proved by SDSS-like simulations (both, ideal log-normal simulations and mocks obtained from Las Damas simulations), showing that our estimator is unbiased. We apply our formalism to the 7th release of the SDSS main sample (for a volume-limited subset with absolute magnitudes M r  ≤ −20). We obtain b-circumflex  = 1.193 ± 0.074 and σ-bar 8  = 0.862 ± 0.080, for galaxy number density fluctuations in cells of the size of 30h −1 Mpc. Different model selection criteria show that galaxy biasing is clearly favoured

HiQ - A high-Q diffractometer for PDF measurements

International Nuclear Information System (INIS)

Brunelli, M.; Fischer, H.E.; Gaehler, R.; Chatterji, T.

2011-01-01

The local structure of many important functional materials is often different from the average structure, as revealed by diffraction, due to, e.g. doping, mixed site occupancy, or formation of time-dependent local distortions. To get information on both the average and the local structures one needs to perform a joint Rietveld and PDF (Pair Distribution Function) analysis of the total scattering, for which we need data to Q = 30 - 35 Angstroms with Δd/d ∼ 3*10 -3 . Here, we describe how the hot-source diffractometer D4 can be adapted to achieve this capability, and outline one possible design of a dedicated high-Q diffractometer at the ILL (Laue Langevin Institute), using the vacant inclined hot-neutron beam IH2. (authors)

Environmental Sensitivity Index (ESI) Atlas: West Peninsular Florida Volume 2, maps in portable document format (pdf) (NODC Accession 0006394)

Data.gov (United States)

National Oceanic and Atmospheric Administration, Department of Commerce — This data set comprises the Environmental Sensitivity Index (ESI) maps in Portable Document Format (.PDF) for the shoreline of lower West Peninsular Florida (to...

7 CFR 3.77 - Hearing.

Science.gov (United States)

2010-01-01

... 7 Agriculture 1 2010-01-01 2010-01-01 false Hearing. 3.77 Section 3.77 Agriculture Office of the Secretary of Agriculture DEBT MANAGEMENT Federal Salary Offset § 3.77 Hearing. (a) If an employee timely files a petition for a hearing under section 3.75, USDA shall select the time, date, and location for...

77 FR 57186 - Technical Report on Fatality Risk, Mass, and Footprint of Model Year 2000-2007 Passenger Cars and...

Science.gov (United States)

2012-09-17

...-based CAFE and GHG standards. An important corollary issue is the possible effect of mass reduction that.../staticfiles/rulemaking/pdf/cafe/CAFE_2012-2016_FRIA_04012010.pdf , pp. 464-542); 2003 (68 FR 66153, Docket No...

Development of 77Ge/77As parent-daughter system for periodic removal of 77As for environmental sanitation and biochemical purposes

International Nuclear Information System (INIS)

Olah, Zita; Doczi, Rita; Szuecs, Zoltan; Varga, Zoltan

2015-01-01

A simple method was developed for the separation of radioactive 77 As from neutron irradiated natural GeO 2 samples for environmental and biochemical studies. The method is based on the volatility of GeCl 4 . The GeCl 4 was co-evaporated from the reaction mixture with an azeotropic mixture of HCl and water, and immediately condensed into a separate finger part of the special glass apparatus which was cooled by liquid nitrogen. By inverting the room temperature and the deep frozen parts of the glass equipment after three half-lives of the 77 Ge the separation process can be repetitive, getting a special type of 77 Ge/ 77 As parent-daughter system. The radionuclidic purity of the remaining As fraction was found to be 99.95%. Its yield, however, drastically decreased in the second and subsequent separations.

Resonance – Journal of Science Education | Indian Academy of ...

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 7; Issue 1. Organic Synthesis using Clay Catalysts - Clays for 'Green Chemistry'. Gopalpur Nagendrappa. General Article Volume 7 Issue 1 January 2002 pp 64-77. Fulltext. Click here to view fulltext PDF. Permanent link:

Metal Organic Frameworks (MOFs)

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 12; Issue 11. Molecule Matters - Metal Organic Frameworks (MOFs). R Sarvanakumar S Sankararaman. Feature Article Volume 12 Issue 11 November 2007 pp 77-86. Fulltext. Click here to view fulltext PDF. Permanent link:

39 CFR 7.7 - Enforcement.

Science.gov (United States)

2010-07-01

... 39 Postal Service 1 2010-07-01 2010-07-01 false Enforcement. 7.7 Section 7.7 Postal Service UNITED STATES POSTAL SERVICE THE BOARD OF GOVERNORS OF THE U.S. POSTAL SERVICE PUBLIC OBSERVATION (ARTICLE VII) § 7.7 Enforcement. (a) Under 5 U.S.C. 552b(g), any person may bring a proceeding in the United States...

Demonstration of thin film pair distribution function analysis (tfPDF for the study of local structure in amorphous and crystalline thin films

Directory of Open Access Journals (Sweden)

Kirsten M. Ø. Jensen

2015-09-01

Full Text Available By means of normal-incidence, high-flux and high-energy X-rays, total scattering data for pair distribution function (PDF analysis have been obtained from thin films (tf, suitable for local structure analysis. By using amorphous substrates as support for the films, the standard Rapid Acquisition PDF setup can be applied and the scattering signal from the film can be isolated from the total scattering data through subtraction of an independently measured background signal. No angular corrections to the data are needed, as would be the case for grazing incidence measurements. The `tfPDF' method is illustrated through studies of as-deposited (i.e. amorphous and crystalline FeSb3 films, where the local structure analysis gives insight into the stabilization of the metastable skutterudite FeSb3 phase. The films were prepared by depositing ultra-thin alternating layers of Fe and Sb, which interdiffuse and after annealing crystallize to form the FeSb3 structure. The tfPDF data show that the amorphous precursor phase consists of corner-sharing FeSb6 octahedra with motifs highly resembling the local structure in crystalline FeSb3. Analysis of the amorphous structure allows the prediction of whether the final crystalline product will form the FeSb3 phase with or without excess Sb present. The study thus illustrates how analysis of the local structure in amorphous precursor films can help to understand crystallization processes of metastable phases and opens for a range of new local structure studies of thin films.

Digital image based numerical micromechanics of geocomposites with application to chemical grouting

Czech Academy of Sciences Publication Activity Database

Blaheta, Radim; Kohut, Roman; Kolcun, Alexej; Souček, Kamil; Staš, Lubomír; Vavro, Leona

2015-01-01

Roč. 77, July 2015 (2015), s. 77-88 ISSN 1365-1609 R&D Projects: GA ČR(CZ) GA105/09/1830; GA MŠk ED1.1.00/02.0070 Institutional support: RVO:68145535 Keywords : geocomposites * upscaling * digital CT image based FEM * identification of material parameters Subject RIV: DB - Geology ; Mineralogy Impact factor: 2.010, year: 2015 http://ac.els-cdn.com/S1365160915000623/1-s2.0-S1365160915000623-main.pdf?_tid=dbf3fe52-038b-11e5-95ad-00000aacb362&acdnat=1432633673_93d2764901fe77ac271ced952119f1aa

30 CFR 77.1801 - Overcurrent protection.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Overcurrent protection. 77.1801 Section 77.1801... Wires and Trolley Feeder Wires § 77.1801 Overcurrent protection. Trolley wires and trolley feeder wires shall be provided with overcurrent protection. ...

Commercial broth microdilution panel validation and reproducibility trials for NVP PDF-713 (LBM 415), a novel inhibitor of bacterial peptide deformylase.

Science.gov (United States)

Fritsche, T R; Moet, G J; Jones, R N

2004-09-01

NVP PDF-713 (LBM 415) is a peptide deformylase inhibitor being progressed into clinical trials. Dry-form broth microdilution panels of NVP PDF-713 were compared to reference MIC panels of 552 recent clinical isolates. Most (99.2%) dry-form MIC results were within +/- 1 log(2) dilution of the reference panel MICs. Of the bacteria tested, Streptococcus pneumoniae and Haemophilus influenzae showed a bias towards higher and lower MICs, respectively. Same-day and between-day reproducibility tests showed that 98.9% and 96.7% of MIC values, respectively, were within +/- 1 log(2) dilution step, thereby demonstrating a high degree of reliability of the dry-form MIC product for clinical studies.

Lagrangian Investigation of Auto-ignition in a Hydrogen Jet Flame in a Vitiated Co-flow: Animations of Particle Trajectories in Composition Space from PDF Model Calculations

OpenAIRE

Wang, Haifeng; Pope, Stephen B.

2007-01-01

PDF model calculations have been performed of the Cabra lifted hydrogen flame in a vitiated co-flow. Particle trajectories are extracted from the Lagrangian particle method used to solve the modeled PDF equation. The particle trajectories in the mixture fraction-temperature plane reveal (at successive downstream locations): essentially inert mixing between the cold fuel jet and the hot co-flow; the auto-ignition of very lean particles; and, subsequent mixing and reaction, leading to near-equi...

Turbulent piloted partially-premixed flames with varying levels of O2/N2: stability limits and PDF calculations

Science.gov (United States)

Juddoo, Mrinal; Masri, Assaad R.; Pope, Stephen B.

2011-12-01

This paper reports measured stability limits and PDF calculations of piloted, turbulent flames of compressed natural gas (CNG) partially-premixed with either pure oxygen, or with varying levels of O2/N2. Stability limits are presented for flames of CNG fuel premixed with up to 20% oxygen as well as CNG-O2-N2 fuel where the O2 content is varied from 8 to 22% by volume. Calculations are presented for (i) Sydney flame B [Masri et al. 1988] which uses pure CNG as well as flames B15 to B25 where the CNG is partially-premixed with 15-25% oxygen by volume, respectively and (ii) Sandia methane-air (1:3 by volume) flame E [Barlow et al. 2005] as well as new flames E15 and E25 that are partially-premixed with 'reconstituted air' where the O2 content in nitrogen is 15 and 25% by volume, respectively. The calculations solve a transported PDF of composition using a particle-based Monte Carlo method and employ the EMST mixing model as well as detailed chemical kinetics. The addition of oxygen to the fuel increases stability, shortens the flames, broadens the reaction zone, and shifts the stoichiometric mixture fraction towards the inner side of the jet. It is found that for pure CNG flames where the reaction zone is narrow (∼0.1 in mixture fraction space), the PDF calculations fail to reproduce the correct level of local extinction on approach to blow-off. A broadening in the reaction zone up to about 0.25 in mixture fraction space is needed for the PDF/EMST approach to be able to capture these finite-rate chemistry effects. It is also found that for the same level of partial premixing, increasing the O2/N2 ratio increases the maximum levels of CO and NO but shifts the peak to richer mixture fractions. Over the range of oxygenation investigated here, stability limits have shown to improve almost linearly with increasing oxygen levels in the fuel and with increasing the contribution of release rate from the pilot.

Synthesis and crystal structures of Pd.sub.3./sub.Pb.sub.2./sub.Te.sub.2./sub. and Pd.sub.3./sub.AgSe

Czech Academy of Sciences Publication Activity Database

Laufek, F.; Vymazalová, A.; Drábek, M.; Drahokoupil, Jan; Chareev, D.A.; Kristavchuk, A.V.

2010-01-01

Roč. 17, 2a (2010), k76-k77 ISSN 1211-5894 Institutional research plan: CEZ:AV0Z10100520 Keywords : x-ray * crystal structure Subject RIV: BM - Solid Matter Physics ; Magnetism http://www.xray.cz/ms/bul2010-2a/laufek.pdf

Heat shock factors HsfB1 and HsfB2b are involved in the regulation of Pdf1.2 expression and pathogen resistance in Arabidopsis.

Science.gov (United States)

Kumar, Mukesh; Busch, Wolfgang; Birke, Hannah; Kemmerling, Birgit; Nürnberger, Thorsten; Schöffl, Friedrich

2009-01-01

In order to assess the functional roles of heat stress-induced class B-heat shock factors in Arabidopsis, we investigated T-DNA knockout mutants of AtHsfB1 and AtHsfB2b. Micorarray analysis of double knockout hsfB1/hsfB2b plants revealed as strong an up-regulation of the basal mRNA-levels of the defensin genes Pdf1.2a/b in mutant plants. The Pdf expression was further enhanced by jasmonic acid treatment or infection with the necrotrophic fungus Alternaria brassicicola. The single mutant hsfB2b and the double mutant hsfB1/B2b were significantly improved in disease resistance after A. brassicicola infection. There was no indication for a direct interaction of Hsf with the promoter of Pdf1.2, which is devoid of perfect HSE consensus Hsf-binding sequences. However, changes in the formation of late HsfA2-dependent HSE binding were detected in hsfB1/B2b plants. This suggests that HsfB1/B2b may interact with class A-Hsf in regulating the shut-off of the heat shock response. The identification of Pdf genes as targets of Hsf-dependent negative regulation is the first evidence for an interconnection of Hsf in the regulation of biotic and abiotic responses.

Joint constraints on galaxy bias and σ{sub 8} through the N-pdf of the galaxy number density

Energy Technology Data Exchange (ETDEWEB)

Arnalte-Mur, Pablo; Martínez, Vicent J. [Observatori Astronòmic de la Universitat de València, C/ Catedràtic José Beltrán, 2, 46980 Paterna, València (Spain); Vielva, Patricio; Sanz, José L. [Instituto de Física de Cantabria (CSIC-UC), Avda. de Los Castros s/n, E-39005—Santander (Spain); Saar, Enn [Cosmology Department, Tartu Observatory, Observatooriumi 1, Tõravere (Estonia); Paredes, Silvestre, E-mail: pablo.arnalte@uv.es, E-mail: vielva@ifca.unican.es, E-mail: martinez@uv.es, E-mail: sanz@ifca.unican.es, E-mail: saar@to.ee, E-mail: silvestre.paredes@upct.es [Departamento de Matemática Aplicada y Estadística, Universidad Politécnica de Cartagena, C/Dr. Fleming s/n, 30203 Cartagena (Spain)

2016-03-01

We present a full description of the N-probability density function of the galaxy number density fluctuations. This N-pdf is given in terms, on the one hand, of the cold dark matter correlations and, on the other hand, of the galaxy bias parameter. The method relies on the assumption commonly adopted that the dark matter density fluctuations follow a local non-linear transformation of the initial energy density perturbations. The N-pdf of the galaxy number density fluctuations allows for an optimal estimation of the bias parameter (e.g., via maximum-likelihood estimation, or Bayesian inference if there exists any a priori information on the bias parameter), and of those parameters defining the dark matter correlations, in particular its amplitude (σ{sub 8}). It also provides the proper framework to perform model selection between two competitive hypotheses. The parameters estimation capabilities of the N-pdf are proved by SDSS-like simulations (both, ideal log-normal simulations and mocks obtained from Las Damas simulations), showing that our estimator is unbiased. We apply our formalism to the 7th release of the SDSS main sample (for a volume-limited subset with absolute magnitudes M{sub r} ≤ −20). We obtain b-circumflex  = 1.193 ± 0.074 and σ-bar{sub 8} = 0.862 ± 0.080, for galaxy number density fluctuations in cells of the size of 30h{sup −1}Mpc. Different model selection criteria show that galaxy biasing is clearly favoured.

46 CFR 111.77-3 - Appliances.

Science.gov (United States)

2010-10-01

... 46 Shipping 4 2010-10-01 2010-10-01 false Appliances. 111.77-3 Section 111.77-3 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) ELECTRICAL ENGINEERING ELECTRIC SYSTEMS-GENERAL REQUIREMENTS Appliances and Appliance Circuits § 111.77-3 Appliances. All electrical appliances, including, but...

30 CFR 7.7 - Quality assurance.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Quality assurance. 7.7 Section 7.7 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS TESTING BY APPLICANT OR THIRD PARTY General § 7.7 Quality assurance. Applicants granted...

30 CFR 77.1608 - Dumping facilities.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Dumping facilities. 77.1608 Section 77.1608 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH... Haulage § 77.1608 Dumping facilities. (a) Dumping locations and haulage roads shall be kept reasonably...

30 CFR 77.408 - Welding operations.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Welding operations. 77.408 Section 77.408 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH... for Mechanical Equipment § 77.408 Welding operations. Welding operations shall be shielded and the...

30 CFR 77.801 - Grounding resistors.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Grounding resistors. 77.801 Section 77.801 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH...-Voltage Distribution § 77.801 Grounding resistors. The grounding resistor, where required, shall be of the...

30 CFR 77.1107 - Belt conveyors.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Belt conveyors. 77.1107 Section 77.1107 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH MANDATORY... § 77.1107 Belt conveyors. Belt conveyors in locations where fire would create a hazard to personnel...

30 CFR 77.1301 - Explosives; magazines.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Explosives; magazines. 77.1301 Section 77.1301... and Blasting § 77.1301 Explosives; magazines. (a) Detonators and explosives other than blasting agents shall be stored in magazines. (b) Detonators shall not be stored in the same magazine with explosives...

7 CFR 927.77 - Effective time.

Science.gov (United States)

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Effective time. 927.77 Section 927.77 Agriculture... Order Regulating Handling Miscellaneous Provisions § 927.77 Effective time. The provisions of this subpart and of any amendment thereto shall become effective at such time as the Secretary may declare, and...

Electron Transfer in Chemistry and Biology – The Primary Events

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 2; Issue 12. Electron Transfer in Chemistry and Biology – The Primary Events in Photosynthesis. V Krishnan. General Article Volume 2 Issue 12 December 1997 pp 77-86. Fulltext. Click here to view fulltext PDF. Permanent link:

Pramana – Journal of Physics | Indian Academy of Sciences

Indian Academy of Sciences (India)

Volume 77 Issue 5 November 2011 pp 865-871 Synchronization, Coupled Systems and Networks. The effect of finite response–time in coupled dynamical systems · Garima Saxena Awadhesh Prasad Ram Ramaswamy · More Details Abstract Fulltext PDF. The paper investigates synchronization in unidirectionally coupled ...

What did they eat, what did they drink, and from what? An interdisciplinary window into everyday life of the early modern burgher's household in Český Krumlov (Czech Republic)

Czech Academy of Sciences Publication Activity Database

Preusz, M.; Beneš, J.; Kovačiková, L.; Kočár, Petr; Kaštovský, J.

2014-01-01

Roč. 5, č. 1 (2014), s. 59-77 ISSN 1804-848X Institutional support: RVO:67985912 Keywords : early modern consumers * historical archaeology * archaeology of food * archaeozoology * archaeobotanical analysis Subject RIV: AC - Archeology, Anthropology, Ethnology http://www.iansa.eu/papers/iansa-2014-01-preusz-3d.pdf

30 CFR 77.1007 - Drilling; general.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Drilling; general. 77.1007 Section 77.1007 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH... Control § 77.1007 Drilling; general. (a) Equipment that is to be used during a shift shall be inspected...

77 FR 21057 - Short-Term Investment Funds

Science.gov (United States)

2012-04-09

... home page to get information on using Regulations.gov, including instructions for submitting or viewing...://www.ici.org/info/mm_data_2011.xls . During the recent period of financial market stress, beginning in.../FSOCAR2011.pdf . Based on the market turmoil from 2007 through 2009 and the work done by the PWG, among...

30 CFR 77.1010 - Collaring holes.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Collaring holes. 77.1010 Section 77.1010... Control § 77.1010 Collaring holes. (a) Starter steels shall be used when collaring holes with hand-held drills. (b) Men shall not hold the drill steel while collaring holes, or rest their hands on the chuck or...

The PDF4LHC report on PDFs and LHC data : Results from Run I and preparation for Run II

NARCIS (Netherlands)

Rojo, Juan; Accardi, Alberto; Ball, Richard D.; Cooper-Sarkar, Amanda; Roeck, Albert de; Farry, Stephen; Ferrando, James; Forte, Stefano; Gao, Jun; Harland-Lang, Lucian; Huston, Joey; Glazov, Alexander; Gouzevitch, Maxime; Gwenlan, Claire; Lipka, Katerina; Lisovyi, Mykhailo; Mangano, Michelangelo L.; Nadolsky, Pavel; Perrozzi, Luca; Placakyte, Ringaile; Radescu, Voica; Salam, Gavin P.; Thorne, Robert S.

2015-01-01

The accurate determination of the Parton Distribution Functions (PDFs) of the proton is an essential ingredient of the Large Hadron Collider (LHC) program. PDF uncertainties impact a wide range of processes, from Higgs boson characterisation and precision Standard Model measurements to New Physics

77 FR 11599 - January 2012 Pay Schedules

Science.gov (United States)

2012-02-27

... definitions can be found at http://www.opm.gov/oca/12tables/locdef.asp . The 2012 locality pay percentages... increased in 2012. The memo is available at http://www.opm.gov/flsa/oca/11tables/Extend_2012.pdf . On.... (See http://www.opm.gov/oca/compmemo/index.asp .) The memorandum transmitted Executive Order 13594 and...

77 FR 63342 - Extension of Comment Period: Resale Royalty Right

Science.gov (United States)

2012-10-16

... Document File (PDF) format that contains searchable, accessible text (not an image); Microsoft Word; Word... International Affairs, by email at [email protected] or by telephone at 202-707-9444. SUPPLEMENTARY INFORMATION: On...

Dark matter and rotation curves of spiral galaxies

Czech Academy of Sciences Publication Activity Database

Křížek, Michal; Křížek, Filip; Somer, L.

2016-01-01

Roč. 25, April (2016), s. 64-77 ISSN 1313-2709 R&D Projects: GA MŠk(CZ) LG15052 Institutional support: RVO:67985840 ; RVO:61389005 Keywords : red dwarf * dark matter * spiral galaxy Subject RIV: BA - General Mathematics http://www.astro.bas.bg/AIJ/issues/n25/MKrizek.pdf

77 FR 64555 - Orphan Works and Mass Digitization

Science.gov (United States)

2012-10-22

...., all textbook publishers), unless a particular copyright owner opts out. The government or a trusted... failure in a specifically defined market. \\34\\ See Analysis at App. F (listing countries that follow this...), available at http://ec.europa.eu/internal_market/copyright/docs/copyright-infso/20110920-mou_en.pdf...

A composition joint PDF method for the modeling of spray flames

Science.gov (United States)

Raju, M. S.

1995-01-01

This viewgraph presentation discusses an extension of the probability density function (PDF) method to the modeling of spray flames to evaluate the limitations and capabilities of this method in the modeling of gas-turbine combustor flows. The comparisons show that the general features of the flowfield are correctly predicted by the present solution procedure. The present solution appears to provide a better representation of the temperature field, particularly, in the reverse-velocity zone. The overpredictions in the centerline velocity could be attributed to the following reasons: (1) the use of k-epsilon turbulence model is known to be less precise in highly swirling flows and (2) the swirl number used here is reported to be estimated rather than measured.

Development of {sup 77}Ge/{sup 77}As parent-daughter system for periodic removal of {sup 77}As for environmental sanitation and biochemical purposes

Energy Technology Data Exchange (ETDEWEB)

Olah, Zita; Doczi, Rita [Budapest Univ. of Technology and Economics (Hungary). Inst. of Nuclear Techniques; Szuecs, Zoltan [Hungarian Academy of Sciences, Debrecen (Hungary). Inst. for Nuclear Research; Varga, Zoltan [Hungarian Academy of Sciences, Budapest (Hungary). Research Centre for Natural Sciences

2015-07-01

A simple method was developed for the separation of radioactive {sup 77}As from neutron irradiated natural GeO{sub 2} samples for environmental and biochemical studies. The method is based on the volatility of GeCl{sub 4}. The GeCl{sub 4} was co-evaporated from the reaction mixture with an azeotropic mixture of HCl and water, and immediately condensed into a separate finger part of the special glass apparatus which was cooled by liquid nitrogen. By inverting the room temperature and the deep frozen parts of the glass equipment after three half-lives of the {sup 77}Ge the separation process can be repetitive, getting a special type of {sup 77}Ge/{sup 77}As parent-daughter system. The radionuclidic purity of the remaining As fraction was found to be 99.95%. Its yield, however, drastically decreased in the second and subsequent separations.

19 CFR 210.77 - Temporary emergency action.

Science.gov (United States)

2010-04-01

... 19 Customs Duties 3 2010-04-01 2010-04-01 false Temporary emergency action. 210.77 Section 210.77 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION INVESTIGATIONS OF UNFAIR PRACTICES IN IMPORT TRADE ADJUDICATION AND ENFORCEMENT Enforcement Procedures and Advisory Opinions § 210.77 Temporary...

Journal of Chemical Sciences | Indian Academy of Sciences

Indian Academy of Sciences (India)

Home; Journals; Journal of Chemical Sciences; Volume 125; Issue 1. Issue front cover thumbnail. Volume 125, Issue 1. January 2013, pages 7-211. pp 7-7. General Editorial on Publication Ethics · S S Krishnamurthy · More Details Fulltext PDF. pp 9-15. Redundant internal coordinates, compliance constants and ...

Resonance – Journal of Science Education | Indian Academy of ...

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education. V Krishnan. Articles written in Resonance – Journal of Science Education. Volume 2 Issue 12 December 1997 pp 77-86 General Article. Electron Transfer in Chemistry and Biology – The Primary Events in Photosynthesis · V Krishnan · More Details Fulltext PDF.

Journal of Earth System Science | Indian Academy of Sciences

Indian Academy of Sciences (India)

pp 1421-1440. Simultaneous estimation of earthquake source parameters and crustal value from broadband data of selected aftershocks of the 2001 7.7 Bhuj earthquake · A Saha S Lijesh P Mandal · More Details Abstract Fulltext PDF. This paper presents the simultaneous estimation of source parameters and crustal ...

Jayant M Modak

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education. Jayant M Modak. Articles written in Resonance – Journal of Science Education. Volume 7 Issue 9 September 2002 pp 69-77 General Article. Haber Process for Ammonia Synthesis · Jayant M Modak · More Details Fulltext PDF. Volume 16 Issue 12 December ...

30 CFR 77.412 - Compressed air systems.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Compressed air systems. 77.412 Section 77.412... for Mechanical Equipment § 77.412 Compressed air systems. (a) Compressors and compressed-air receivers... involving the pressure system of compressors, receivers, or compressed-air-powered equipment shall not be...

30 CFR 77.1438 - End attachment replacement.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false End attachment replacement. 77.1438 Section 77.1438 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND... Personnel Hoisting Wire Ropes § 77.1438 End attachment replacement. Wire rope attachments shall be replaced...

Probing Amorphous Components in High Temperature TE Materials by in situ Total Scattering and the Pair Distribution Function (PDF) Method

DEFF Research Database (Denmark)

Reardon, Hazel; Iversen, Bo Brummerstedt; Blichfeld, Anders Bank

-I clathrate Ba8Ga16Ge30. This suggests that local structure reorientations in the cage are likely to be the root cause of the degradation of the structure. This deepens our understanding of disordered clathrates, and provides evidence that the PDF technique is an effective method for probing local structure.......e., by measuring both the Bragg and diffuse scattering from a sample. This method has rarely been exploited by the non-oxide thermoelectrics community. , , Treating total scattering data by the Pair Distribution Function method is a logical approach to understanding defects, disorder and amorphous components...... to heating cycles, then we are closer to distinguishing how we may generate materials that do not undergo specific structure reorientation processes, and/or how we may mitigate them before they occur. Here, we will present a total scattering and PDF study that probes the local structure of the Type...

7 CFR 319.77-2 - Regulated articles.

Science.gov (United States)

2010-01-01

... 7 Agriculture 5 2010-01-01 2010-01-01 false Regulated articles. 319.77-2 Section 319.77-2....77-2 Regulated articles. In order to prevent the spread of gypsy moth from Canada into noninfested... section are designated as regulated articles. Regulated articles may be imported into the United States...

30 CFR 77.1505 - Auger holes; blocking.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Auger holes; blocking. 77.1505 Section 77.1505 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH... § 77.1505 Auger holes; blocking. Auger holes shall be blocked with highwall spoil or other suitable...

30 CFR 77.1913 - Fire-resistant wood.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Fire-resistant wood. 77.1913 Section 77.1913 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH... Shaft Sinking § 77.1913 Fire-resistant wood. Except for crossties, timbers, and other wood products...

77 FR 12933 - Federal Acquisition Regulation: Trade Agreements Thresholds

Science.gov (United States)

2012-03-02

... $202,000 $202,000 $7,777,000 FTAs: Australia FTA 77,494 77,494 7,777,000 Bahrain FTA 202,000 202,000 10...: --Canada 25,000 77,494 10,074,262 --Mexico 77,494 77,494 10,074,262 Oman FTA 202,000 202,000 10,074,262...,000'' and adding ``$202,000'' in its place. PART 25--FOREIGN ACQUISITION 25.202 [Amended] 0 3. Amend...

14 CFR 77.3 - Standards.

Science.gov (United States)

2010-01-01

... 14 Aeronautics and Space 2 2010-01-01 2010-01-01 false Standards. 77.3 Section 77.3 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRSPACE OBJECTS... section 16 of the Federal Airport Act; (3) Developing technical standards and guidance in the design and...

30 CFR 77.1011 - Drill holes; guarding.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Drill holes; guarding. 77.1011 Section 77.1011 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH... Control § 77.1011 Drill holes; guarding. Drill holes large enough to constitute a hazard shall be covered...

14 CFR 77.43 - Nature of hearing.

Science.gov (United States)

2010-01-01

... nature. As a factfinding procedure, each hearing is nonadversary and there are no formal pleadings or... 14 Aeronautics and Space 2 2010-01-01 2010-01-01 false Nature of hearing. 77.43 Section 77.43... OBJECTS AFFECTING NAVIGABLE AIRSPACE Rules of Practice for Hearings Under Subpart D § 77.43 Nature of...

30 CFR 77.1500 - Auger mining; planning.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Auger mining; planning. 77.1500 Section 77.1500 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH... § 77.1500 Auger mining; planning. Auger mining shall be planned and conducted by the operator to insure...

49 CFR 230.77 - Foundation brake gear.

Science.gov (United States)

2010-10-01

... 49 Transportation 4 2010-10-01 2010-10-01 false Foundation brake gear. 230.77 Section 230.77... Tenders Brake and Signal Equipment § 230.77 Foundation brake gear. (a) Maintenance. Foundation brake gear...) Distance above the rails. No part of the foundation brake gear of the steam locomotive or tender shall be...

30 CFR 77.214 - Refuse piles; general.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Refuse piles; general. 77.214 Section 77.214... Installations § 77.214 Refuse piles; general. (a) Refuse piles constructed on or after July 1, 1971, shall be..., tipples, or other surface installations and such piles shall not be located over abandoned openings or...

22 CFR 62.77 - Reinstatement.

Science.gov (United States)

2010-04-01

... 22 Foreign Relations 1 2010-04-01 2010-04-01 false Reinstatement. 62.77 Section 62.77 Foreign Relations DEPARTMENT OF STATE PUBLIC DIPLOMACY AND EXCHANGES EXCHANGE VISITOR PROGRAM Student and Exchange.... (4) The Department will review the request. If approved, the Department will enter the approval in...

R S Khairnar

Indian Academy of Sciences (India)

Home; Journals; Bulletin of Materials Science. R S Khairnar. Articles written in Bulletin of Materials Science. Volume 27 Issue 1 February 2004 pp 73-77 Optical Materials. Fabrication of silicon based glass fibres for optical communication · Vivek P Kude R S Khairnar · More Details Abstract Fulltext PDF. Silicon based glass ...

T S K V Iyer

Indian Academy of Sciences (India)

Articles written in Resonance – Journal of Science Education. Volume 1 Issue 5 May 1996 pp 29-39 General Article. Chaos Modelling with Computers Unpredicatable Behaviour of Deterministic Systems · Balakrishnan Ramasamy T S K V Iyer · More Details Fulltext PDF. Volume 2 Issue 4 April 1997 pp 76-77 Classroom.

Pramana – Journal of Physics | Indian Academy of Sciences

Indian Academy of Sciences (India)

Volume 77 Issue 5 November 2011 pp 905-915 Synchronization, Coupled Systems and Networks. Phase-locked solutions and their stability in the presence of propagation delays · Gautham C Sethia Abhijit Sen Fatihcan M Atay · More Details Abstract Fulltext PDF. We investigate phase-locked solutions of a continuum field ...

Resonance – Journal of Science Education | Indian Academy of ...

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education. K Viswanath. Articles written in Resonance – Journal of Science Education. Volume 3 Issue 7 July 1998 pp 74-77 Classroom. Teaching the Limit Concept · K Viswanath · More Details Fulltext PDF. Volume 3 Issue 8 August 1998 pp 73-73 Book Review.

Resonance – Journal of Science Education | Indian Academy of ...

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 11; Issue 2. Cholesterol and Health. Pravina Piste Vidyadhar Patil. General Article Volume 11 Issue 2 February 2006 pp 74-77. Fulltext. Click here to view fulltext PDF. Permanent link: https://www.ias.ac.in/article/fulltext/reso/011/02/0074-0077. Keywords.

Resonance – Journal of Science Education | Indian Academy of ...

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education. Biman Nath. Articles written in Resonance – Journal of Science Education. Volume 3 Issue 6 June 1998 pp 76-77 Research News. Furthest Ever Galaxy Discovered - When the Universe was Young · Biman Nath · More Details Fulltext PDF. Volume 4 Issue 9 ...

Resonance – Journal of Science Education | News

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 7; Issue 9. Haber Process for Ammonia Synthesis. Jayant M Modak. General Article Volume 7 Issue 9 September 2002 pp 69-77. Fulltext. Click here to view fulltext PDF. Permanent link: https://www.ias.ac.in/article/fulltext/reso/007/09/0069-0077 ...

Histone modifications do not play a major role in salicylate-mediated suppression of jasmonate-induced PDF1.2 gene expression

NARCIS (Netherlands)

Koornneef, A.; Rindermann, Katja; Gatz, Christiane; Pieterse, C.M.J.

2008-01-01

Cross-talk between salicylic acid (SA) and jasmonic acid (JA) defense signaling pathways allows a plant to finely tune its response to the attacker encountered. In Arabidopsis, pharmacological experiments revealed that SA exerts a strong antagonistic effect on JA-responsive genes, such as PDF1.2,

In Situ PDF Study of the Nucleation and Growth of Intermetallic PtPb Nanocrystals

DEFF Research Database (Denmark)

Saha, Dipankar; Bojesen, Espen D.; Mamakhel, Mohammad Aref Hasen

2017-01-01

The mechanism of Pt and PtPb nanocrystal formation under supercritical ethanol conditions has been investigated by means of in situ X-ray total scattering and pair distribution function (PDF) analysis. The metal complex structures of two different platinum precursor solutions, chloroplatinic acid...... supercritical ethanol process for obtaining phase-pure hexagonal PtPb nanocrystals. The study thus highlights the importance of in situ studies in revealing atomic-scale information about nucleation mechanisms, which can be used in design of specific synthesis pathways, and the new continuous-flow process...

PDF uncertainties in the determination of the W boson mass and of the effective lepton mixing angle at the LHC

CERN Document Server

Rojo, Juan

2013-01-01

The precision measurement of the W boson mass allows to perform stringent consistency tests of the Standard Model by means of global electroweak fits. The accurate determination of the W boson mass is one of the legacy results of the Tevatron, where the experimental accuracy is such that $M_W$ is now limited by theoretical uncertainties related to the parton distributions of the proton. In this contribution, we show how to quantify the impact of PDF uncertainties in the measurement of $M_W$ at the Tevatron and the LHC by means of a template method, and study both the use of the W transverse mass and the lepton pT kinematical distributions to generate these templates. We also present preliminary results on the quantification of the PDF uncertainties in the determination of the effective lepton mixing angle at the LHC, based on the same template method as for the W mass determination

77 FR 57079 - National Board for Education Sciences; Meeting

Science.gov (United States)

2012-09-17

... of Education Sciences (IES) on, among other things, the establishment of activities to be supported... in the Federal Register, in text or Adobe Portable Document Format (PDF) on the Internet at the...: The official version of this document is the document published in the Federal Register. Free Internet...

14 CFR 77.41 - Scope.

Science.gov (United States)

2010-01-01

... 14 Aeronautics and Space 2 2010-01-01 2010-01-01 false Scope. 77.41 Section 77.41 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) AIRSPACE OBJECTS... applies to hearings held by the FAA under titles I, III, and X of the Federal Aviation Act of 1958 (49 U.S...

77 FR 30411 - Connect America Fund; High-Cost Universal Service Support

Science.gov (United States)

2012-05-23

... average annual minimum temperature from the U.S. Department of Agriculture's hardiness index. 17. The... conditions). It is not practical to derive such information from printed maps, images on Web sites or PDF... cautions [[Page 30415

48 CFR 552.236-77 - Specifications and Drawings

Science.gov (United States)

2010-10-01

... Drawings 552.236-77 Section 552.236-77 Federal Acquisition Regulations System GENERAL SERVICES....236-77 Specifications and Drawings As prescribed in 536.570-8, insert the following clause: Specifications and Drawings (SEP 1999) The requirements of the clause entitled “Specifications and Drawings for...

P Chaitanya Das

Indian Academy of Sciences (India)

P Chaitanya Das G Srinivasa Murthy C P Gopalakrishnan P C Deshmukh · More Details Fulltext PDF. Volume 9 Issue 7 July 2004 pp 77-85 Classroom. Motion of Charged Particles in Electromagnetic Fields and Special Theory of Relativity · P Chaitanya Das G Srinivasa Murthy P C Deshmukh K Satish Kumar T A Venkatesh.

G Srinivasa Murthy

Indian Academy of Sciences (India)

P Chaitanya Das G Srinivasa Murthy C P Gopalakrishnan P C Deshmukh · More Details Fulltext PDF. Volume 9 Issue 7 July 2004 pp 77-85 Classroom. Motion of Charged Particles in Electromagnetic Fields and Special Theory of Relativity · P Chaitanya Das G Srinivasa Murthy P C Deshmukh K Satish Kumar T A Venkatesh.

Author Details

African Journals Online (AJOL)

The demographic, clinical and forensic profile of offenders diagnosed with epilepsy referred to the Free State Psychiatric Complex Observation Unit in terms of section 77 and/or 78 of the Criminal Procedure Act 51 of 1977. Abstract PDF · Vol 17, No 2 (2011) - Articles Profile of forensic psychiatric inpatients referred to the ...

Browse Title Index

African Journals Online (AJOL)

Items 651 - 700 of 2005 ... T. Tessema, A. Hailu. Vol 77, No 3 (2000), Epidemiology of single and multiple species of helminth infections among school children in Busia District, Kenya, Abstract PDF. S Brooker, EA Miguel, S Moulin, AI Louba, DAP Bundy, M Kremer. Vol 81, No 6 (2004):, Epidemiology of streptococcus group A ...

Rashmi Sanghi

Indian Academy of Sciences (India)

Volume 5 Issue 3 March 2000 pp 77-81 General Article. Microwave Irradiation - Way to Eco-friendly, Green Chemistry · Rashmi Sanghi · More Details Fulltext PDF. Volume 6 Issue 7 July 2001 pp 64-73 General Article. Living in a Chemical Environment – Persistent Organic Pollutants · Rashmi Sanghi · More Details Fulltext ...

77 FR 33732 - National Board for Education Sciences; Meeting

Science.gov (United States)

2012-06-07

...) on, among other things, the establishment of activities to be supported by the Institute, on the... Document Format (PDF) on the Internet at the following site: www.ed.gov/news/fed-register/index.html . To... document published in the Federal Register. Free Internet access to the official edition of the Federal...

77 FR 20805 - National Board for Education Sciences; Meeting

Science.gov (United States)

2012-04-06

... Sciences (IES) on, among other things, the establishment of activities to be supported by the Institute, on... Portable Document Format (PDF) on the Internet at the following site: www.ed.gov/news/fed-register/index... document published in the Federal Register. Free Internet access to the official edition of the Federal...

Modelling seismic waves around underground openings in fractured rock

CSIR Research Space (South Africa)

Hildyard, MW

2002-01-03

Full Text Available stream_source_info hildyard_2002.pdf.txt stream_content_type text/plain stream_size 223231 Content-Encoding ISO-8859-1 stream_name hildyard_2002.pdf.txt Content-Type text/plain; charset=ISO-8859-1 C77C111C100C101C108C108... C105C110C103 C83C101C105C115C109C105C99 C87C97C118C101C115 C65C114C111C117C110C100 C85C110C100C101C114C103C114C111C117C110C100 C79C112C101C110C105C110C103C115 C105C110 C70C114C97C99C116C117C114C101C100 C82C111C99C107 C77C65C82C75 C87C73C76C76C73C65C...

30 CFR 77.510 - Resistors; location and guarding.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Resistors; location and guarding. 77.510 Section 77.510 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Electrical Equipment-General § 77.510 Resistors; location and guarding. Resistors, heaters...

30 CFR 77.1105 - Internal combustion engines; fueling.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Internal combustion engines; fueling. 77.1105 Section 77.1105 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Fire Protection § 77.1105 Internal combustion engines; fueling. Internal combustion engines...

40 CFR 600.406-77 - [Reserved

Science.gov (United States)

2010-07-01

...-77 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) ENERGY POLICY FUEL ECONOMY AND CARBON-RELATED EXHAUST EMISSIONS OF MOTOR VEHICLES Fuel Economy Regulations for 1977 and Later Model Year Automobiles-Dealer Availability of Fuel Economy Information § 600.406-77 [Reserved] ...

77 FR 69723 - Federal Acquisition Regulation; Free Trade Agreement-Panama

Science.gov (United States)

2012-11-20

... exceeding) exceeding) exceeding) WTO GPA $202,000 $202,000 $7,777,000 FTAs: Australia FTA 77,494 77,494 7...,000 NAFTA: --Canada 25,000 77,494 10,074,262 --Mexico 77,494 77,494 10,074,262 Oman FTA 202,000 202... ADMINISTRATION 48 CFR Parts 25 and 52 [FAC 2005-62; FAR Case 2012-027; Item III; Docket 2012-0027, Sequence 01...

40 CFR 600.202-77 - Definitions.

Science.gov (United States)

2010-07-01

....202-77 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) ENERGY POLICY FUEL ECONOMY AND CARBON-RELATED EXHAUST EMISSIONS OF MOTOR VEHICLES Fuel Economy Regulations for 1977 and Later Model Year Automobiles-Procedures for Calculating Fuel Economy Values § 600.202-77 Definitions. The...

Browse Title Index

African Journals Online (AJOL)

Items 801 - 850 of 11090 ... Issue, Title. Vol 10, No 61 (2011), Analysis of chemical constituents in medicinal plants of selected districts of Pakhtoonkhwa, Pakistan, Abstract PDF. I Hussain, R Ullah, J Khan, N Khan, M Zahoor, N Ullah, MuR Khattak, FA Khan, A Baseer, M Khurram. Vol 10, No 77 (2011), Analysis of chloroplast ...

Asymmetric volatility connectedness on the forex market

Czech Academy of Sciences Publication Activity Database

Baruník, Jozef; Kočenda, Evžen; Vácha, Lukáš

2017-01-01

Roč. 77, č. 1 (2017), s. 39-56 ISSN 0261-5606 R&D Projects: GA ČR(CZ) GA16-14179S Institutional support: RVO:67985556 Keywords : volatility * connectedness * asymmetric effects Subject RIV: AH - Economics OBOR OECD: Finance Impact factor: 1.853, year: 2016 http://library.utia.cas.cz/separaty/2017/E/barunik-0478477.pdf

The realization of strong, stray static magnetic fields

Czech Academy of Sciences Publication Activity Database

Žežulka, Václav; Straka, Pavel

2012-01-01

Roč. 9, č. 1 (2012), s. 71-77 ISSN 1214-9705 Institutional research plan: CEZ:AV0Z30460519 Keywords : magnetic fields * magnetic circuits * permanent NdFeB magnets Subject RIV: BM - Solid Matter Physics ; Magnetism Impact factor: 0.530, year: 2011 http://www.irsm.cas.cz/materialy/acta_content/2012_01/7_Zezulka.pdf

Evaluation of naturally ventilated dairy barn management by a thermographic method

Czech Academy of Sciences Publication Activity Database

Knížková, I.; Kunc, P.; Koubková, M.; Flusser, Jan; Doležal, O.

2002-01-01

Roč. 77, 2/3 (2002), s. 349-353 ISSN 0301-6226 R&D Projects: GA ČR GA523/99/1489 Institutional research plan: CEZ:AV0Z1075907 Keywords : natural ventilation * dairy cattle * body surface temperature Subject RIV: GH - Livestock Nutrition Impact factor: 1.117, year: 2002 http://library.utia.cas.cz/prace/20020202.pdf

Probabilities in the Card Game of Three Cards

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 9; Issue 3. Probabilities in the Card Game of Three Cards. A W Joshi M W Joshi. Classroom Volume 9 Issue 3 March 2004 pp 76-77. Fulltext. Click here to view fulltext PDF. Permanent link: https://www.ias.ac.in/article/fulltext/reso/009/03/0076-0077 ...

Resonance – Journal of Science Education | Indian Academy of ...

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 7; Issue 6. Head-on Collision of Two Balls Revisited. Umapati Pattar A W Joshi. Classroom Volume 7 Issue 6 June 2002 pp 67-77. Fulltext. Click here to view fulltext PDF. Permanent link: https://www.ias.ac.in/article/fulltext/reso/007/06/0067-0077 ...

Time in a Timeless Environment My Life in a Bunker

Indian Academy of Sciences (India)

Home; Journals; Resonance – Journal of Science Education; Volume 1; Issue 3. Time in a Timeless Environment My Life in a Bunker. L Geetha. General Article Volume 1 Issue 3 March 1996 pp 66-77. Fulltext. Click here to view fulltext PDF. Permanent link: https://www.ias.ac.in/article/fulltext/reso/001/03/0066-0077 ...

30 CFR 77.309-1 - Control stations; location.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Control stations; location. 77.309-1 Section 77... MINES Thermal Dryers § 77.309-1 Control stations; location. Thermal dryer system control stations constructed after June 30, 1971, shall be installed at a location which will give to the operator of the...

30 CFR 77.215-4 - Refuse piles; abandonment.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Refuse piles; abandonment. 77.215-4 Section 77... MINES Surface Installations § 77.215-4 Refuse piles; abandonment. When a refuse pile is to be abandoned... refuse pile shall be abandoned in accordance with a plan submitted by the operator and approved by the...

46 CFR 77.40-1 - Pilot boarding equipment.

Science.gov (United States)

2010-10-01

... 46 Shipping 3 2010-10-01 2010-10-01 false Pilot boarding equipment. 77.40-1 Section 77.40-1... MISCELLANEOUS SYSTEMS AND EQUIPMENT Pilot Boarding Equipment § 77.40-1 Pilot boarding equipment. (a) This... vessel. (b) Each vessel must have suitable pilot boarding equipment available for use on each side of the...

30 CFR 77.1400 - Personnel hoists and elevators.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Personnel hoists and elevators. 77.1400 Section 77.1400 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES Personnel Hoisting § 77.1400 Personnel...

Production of 77 Br for medical application

International Nuclear Information System (INIS)

Bastos, M.A.V.

1982-01-01

Bromine-77 is produced with the variable energy cyclotron (CV-28) at the Instituto de Engenharia Nuclear, via the 75 As. (α, 2 n) 77 Br reaction, by bombarding arsenic trioxide with 28 MeV alpha-particles. The thick target yield is 0.3 mCi/μAh. The target is dissolved in concentrated N H 4 OH and 77 Br, separated from arsenic, by an anionic exchange resin, is obtained carrier-free with a separation yield greater than 90%. All the process is remotely controlled using electric and pneumatic systems, manipulators and tongs. The quality control is made by atomic absorption and gamma-ray spectroscopy. The present production rate of Br-77 is 2.3 mCi per irradiation. (author)

27 CFR 24.77 - Experimental wine.

Science.gov (United States)

2010-04-01

... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Experimental wine. 24.77... OF THE TREASURY LIQUORS WINE Administrative and Miscellaneous Provisions Tax Exempt Wine § 24.77 Experimental wine. (a) General. Any scientific university, college of learning, or institution of scientific...

AMPX-77 Phase 1 certification package

Energy Technology Data Exchange (ETDEWEB)

Niemer, K.A.

1994-03-01

The AMPX-77 Phase 1 modules have been certified. AMPX-77 is a modular code system for generating coupled multigroup neutron-gamma cross section libraries from Evaluated Nuclear Data Files (ENDF/B). All basic cross-section data are input from the formats used by the ENDF/B, and output can be obtained from a variety of formats, included in its own internal and very general formats, along with a variety of other useful formats used by major transport, diffusion theory, and Monte Carlo codes. Processing is provided for both neutron and gamma-ray data. The AMPX-77 code system will be used at SRS to perform critical calculations related to nuclear criticality safety. The AMPX-77 modular codes system contains forty-seven separate modules. For the certification process, the 47 modules have been divided into three groups or phases. This Certification Package is for the Phase 1 modules: BONAMI, LAPHNGAS, MALOCS, NITAWL, ROLAIDS, SMUG, and XSDRNPM.

77 FR 64521 - Announcement of Requirements and Registration for “Health Design Challenge”

Science.gov (United States)

2012-10-22

... expected to increase dramatically in the near future. Being able to access your health information on..., .PSD, .AI, and .PDF. The acceptable browser viewable format is .HTML. [ssquf] Feasibility: This...

48 CFR 301.607-77 - Governance.

Science.gov (United States)

2010-10-01

... 48 Federal Acquisition Regulations System 4 2010-10-01 2010-10-01 false Governance. 301.607-77 Section 301.607-77 Federal Acquisition Regulations System HEALTH AND HUMAN SERVICES GENERAL HHS... Governance. The Departmental ACM, in ASFR/OGAPA/DA, serves as the Departmental FAC-P/PM Program Manager 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…

30 CFR 77.306 - Fire protection.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Fire protection. 77.306 Section 77.306 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE SAFETY AND HEALTH MANDATORY....306 Fire protection. Based on the need for fire protection measures in connection with the particular...

38 CFR 4.77 - Visual fields.

Science.gov (United States)

2010-07-01

... DISABILITIES Disability Ratings The Organs of Special Sense § 4.77 Visual fields. (a) Examination of visual... 38 Pensions, Bonuses, and Veterans' Relief 1 2010-07-01 2010-07-01 false Visual fields. 4.77... who are well adapted to intraocular lens implant or contact lens correction, visual field examinations...

Propositions for a PDF model based on fluid particle acceleration

International Nuclear Information System (INIS)

Minier, J.P.; Pozorski, J.

1997-05-01

This paper describes theoretical propositions to model the acceleration of a fluid particle in a turbulent flow. Such a model is useful for the PDF approach to turbulent reactive flows as well as for the Lagrangian modelling of two-phase flows. The model developed here draws from ideas already put forward by Sawford but which are generalized to the case of non-homogeneous flows. The model is built so as to revert continuously to Pope's model, which uses a Langevin equation for particle velocities, when the Reynolds number becomes very high. The derivation is based on the technique of fast variable elimination. This technique allow a careful analysis of the relations between different levels of modelling. It also allows to address certain problems in a more rigorous way. In particular, application of this technique shows that models presently used can in principle simulate bubbly flows including the pressure-gradient and added-mass forces. (author)

30 CFR 77.704-1 - Work on high-voltage lines.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Work on high-voltage lines. 77.704-1 Section 77... MINES Grounding § 77.704-1 Work on high-voltage lines. (a) No high-voltage line shall be regarded as... provided in § 77.103) that such high-voltage line has been deenergized and grounded. Such qualified person...

77 FR 33554 - Qualification of Drivers; Exemption Applications; Diabetes Mellitus

Science.gov (United States)

2012-06-06

.... Docket: For access to the docket to read background documents or comments, go to http://www.regulations... Federal Register on January 17, 2008 (73 FR 3316), or you may visit http://edocket.access.gpo.gov/2008/pdf... loss of consciousness, requiring the assistance of another person, or resulting in impaired cognitive...

77 FR 51068 - Remedies for Small Copyright Claims: Additional Comments

Science.gov (United States)

2012-08-23

... Adobe Portable Document File (PDF) format that contains searchable, accessible text (not an image..., 2012 from 9:30 a.m. to 3:30 p.m. The agendas and the process for submitting requests to participate in... discussion covered topics ranging from constitutional considerations to the definition of a ``small claim...

48 CFR 2052.215-77 - Travel approvals and reimbursement.

Science.gov (United States)

2010-10-01

... reimbursement. 2052.215-77 Section 2052.215-77 Federal Acquisition Regulations System NUCLEAR REGULATORY....215-77 Travel approvals and reimbursement. As prescribed at 2015.209-70(d), the contracting officer shall insert the following clause in cost reimbursement solicitations and contracts which require travel...

77 FR 28573 - Applications for New Awards; Impact Aid Discretionary Construction Grant Program

Science.gov (United States)

2012-05-15

...-modifiable format. Do not upload an interactive or fillable PDF file. If you upload a file type other than a... of space affected, such as instructional, resource, food service, recreational, general support, or...

30 CFR 77.411 - Compressed air and boilers; general.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Compressed air and boilers; general. 77.411 Section 77.411 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Safeguards for Mechanical Equipment § 77.411 Compressed air and boilers; general. All...

77 FR 27842 - Qualification of Drivers; Exemption Applications; Diabetes Mellitus

Science.gov (United States)

2012-05-11

.... Docket: For access to the docket to read background documents or comments, go to http://www.regulations... Federal Register on January 17, 2008 (73 FR 3316), or you may visit http://edocket.access.gpo.gov/2008/pdf... reactions resulting in loss of consciousness, requiring the assistance of another person, or resulting in...

L Geetha

Indian Academy of Sciences (India)

L Geetha. Articles written in Resonance – Journal of Science Education. Volume 1 Issue 3 March 1996 pp 66-77 General Article. Time in a Timeless Environment My Life in a Bunker · L Geetha · More Details Fulltext PDF. Volume 1 Issue 6 June 1996 pp 58-60 General Article. Colin S. Pittendrigh: An Appreciation The life of ...

9 CFR 381.77 - Carcasses held for further examination.

Science.gov (United States)

2010-01-01

... 9 Animals and Animal Products 2 2010-01-01 2010-01-01 false Carcasses held for further examination. 381.77 Section 381.77 Animals and Animal Products FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF... Carcasses and Parts § 381.77 Carcasses held for further examination. Each carcass, including all parts...

7 CFR 56.77 - Health and hygiene of personnel.

Science.gov (United States)

2010-01-01

... 7 Agriculture 3 2010-01-01 2010-01-01 false Health and hygiene of personnel. 56.77 Section 56.77 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Standards... EGGS Grading of Shell Eggs Facility Requirements § 56.77 Health and hygiene of personnel. (a) No person...

45 CFR 7.7 - Notice to employee of determination.

Science.gov (United States)

2010-10-01

... 45 Public Welfare 1 2010-10-01 2010-10-01 false Notice to employee of determination. 7.7 Section 7.7 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES GENERAL ADMINISTRATION EMPLOYEE INVENTIONS § 7.7 Notice to employee of determination. The employee-inventor shall be notified in writing of the...

49 CFR 1242.77 - Administration (account XX-55-01).

Science.gov (United States)

2010-10-01

... 49 Transportation 9 2010-10-01 2010-10-01 false Administration (account XX-55-01). 1242.77 Section...-Transportation § 1242.77 Administration (account XX-55-01). Separate common expenses in the same proportion as... systems operations and loss and damage claims processing (accounts XX-55-76, XX-55-77 and XX-55-78). ...

SU-F-T-191: 4D Dose Reconstruction of Intensity Modulated Proton Therapy (IMPT) Based On Breathing Probability Density Function (PDF) From 4D Cone Beam Projection Images: A Study for Lung Treatment

International Nuclear Information System (INIS)

Zhou, J; Ding, X; Liang, J; Zhang, J; Wang, Y; Yan, D

2016-01-01

Purpose: With energy repainting in lung IMPT, the dose delivered is approximate to the convolution of dose in each phase with corresponding breathing PDF. This study is to compute breathing PDF weighted 4D dose in lung IMPT treatment and compare to its initial robust plan. Methods: Six lung patients were evaluated in this study. Amsterdam shroud image were generated from pre-treatment 4D cone-beam projections. Diaphragm motion curve was extract from the shroud image and the breathing PDF was generated. Each patient was planned to 60 Gy (12GyX5). In initial plans, ITV density on average CT was overridden with its maximum value for planning, using two IMPT beams with robust optimization (5mm uncertainty in patient position and 3.5% range uncertainty). The plan was applied to all 4D CT phases. The dose in each phase was deformed to a reference phase. 4D dose is reconstructed by summing all these doses based on corresponding weighting from the PDF. Plan parameters, including maximum dose (Dmax), ITV V100, homogeneity index (HI=D2/D98), R50 (50%IDL/ITV), and the lung-GTV’s V12.5 and V5 were compared between the reconstructed 4D dose to initial plans. Results: The Dmax is significantly less dose in the reconstructed 4D dose, 68.12±3.5Gy, vs. 70.1±4.3Gy in the initial plans (p=0.015). No significant difference is found for the ITV V100, HI, and R50, 92.2%±15.4% vs. 96.3%±2.5% (p=0.565), 1.033±0.016 vs. 1.038±0.017 (p=0.548), 19.2±12.1 vs. 18.1±11.6 (p=0.265), for the 4D dose and initial plans, respectively. The lung-GTV V12.5 and V5 are significantly high in the 4D dose, 13.9%±4.8% vs. 13.0%±4.6% (p=0.021) and 17.6%±5.4% vs. 16.9%±5.2% (p=0.011), respectively. Conclusion: 4D dose reconstruction based on phase PDF can be used to evaluate the dose received by the patient. A robust optimization based on the phase PDF may even further improve patient care.

9 CFR 77.34 - Official tuberculosis tests.

Science.gov (United States)

2010-01-01

... 9 Animals and Animal Products 1 2010-01-01 2010-01-01 false Official tuberculosis tests. 77.34... AGRICULTURE INTERSTATE TRANSPORTATION OF ANIMALS (INCLUDING POULTRY) AND ANIMAL PRODUCTS TUBERCULOSIS Captive Cervids § 77.34 Official tuberculosis tests. (a) Single cervical tuberculin (SCT) test. (1) The SCT test...

30 CFR 77.811 - Movement of portable substations and transformers.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Movement of portable substations and transformers. 77.811 Section 77.811 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF... OF UNDERGROUND COAL MINES Surface High-Voltage Distribution § 77.811 Movement of portable substations...

33 CFR 110.77 - Amistad Reservoir, Tex.

Science.gov (United States)

2010-07-01

... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Amistad Reservoir, Tex. 110.77... ANCHORAGE REGULATIONS Special Anchorage Areas § 110.77 Amistad Reservoir, Tex. (a) Diablo East, Tex. That portion of the Amistad Reservoir enclosed by a line connecting the following points, excluding a 300-foot...

77 FR 20819 - Agency Information Collection Activities: Final Collection; Comment Request

Science.gov (United States)

2012-04-06

... institution providing it with financing, provide this form to Ex-Im Bank. The form transfers the duties and..., and performing debt obligation. Exporter policy holders need this form to obtain financing for their... important export program. The form can be viewed at www.exim.gov/pub/pending/eib94-08.pdf . DATES: Comments...

77 FR 35679 - Agency Information Collection Activities: Final Collection; Comment Request

Science.gov (United States)

2012-06-14

... institution providing it with financing, provide this form to Ex-Im Bank. The form transfers the duties and..., and performing debt obligation. Exporter policy holders need this form to obtain financing for their... of this important export program. The form can be viewed at www.exim.gov/pub/pending/eib94-08.pdf...

Geomechanical time series and its singularity spectrum analysis

Czech Academy of Sciences Publication Activity Database

Lyubushin, Alexei A.; Kaláb, Zdeněk; Lednická, Markéta

2012-01-01

Roč. 47, č. 1 (2012), s. 69-77 ISSN 1217-8977 R&D Projects: GA ČR GA105/09/0089 Institutional research plan: CEZ:AV0Z30860518 Keywords : geomechanical time series * singularity spectrum * time series segmentation * laser distance meter Subject RIV: DC - Siesmology, Volcanology, Earth Structure Impact factor: 0.347, year: 2012 http://www.akademiai.com/content/88v4027758382225/fulltext.pdf

30 CFR 77.1706 - First aid training program; minimum requirements.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false First aid training program; minimum... OF UNDERGROUND COAL MINES Miscellaneous § 77.1706 First aid training program; minimum requirements. (a) All first aid training programs required under the provisions of §§ 77.1703 and 77.1704 shall...

41 CFR 102-77.15 - Who funds the Art-in-Architecture efforts?

Science.gov (United States)

2010-07-01

...-Architecture efforts? 102-77.15 Section 102-77.15 Public Contracts and Property Management Federal Property Management Regulations System (Continued) FEDERAL MANAGEMENT REGULATION REAL PROPERTY 77-ART-IN-ARCHITECTURE Art-in-Architecture § 102-77.15 Who funds the Art-in-Architecture efforts? To the extent not...

30 CFR 77.515 - Bare signal or control wires; voltage.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Bare signal or control wires; voltage. 77.515 Section 77.515 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR COAL MINE... COAL MINES Electrical Equipment-General § 77.515 Bare signal or control wires; voltage. The voltage on...

48 CFR 1352.216-77 - Ceiling price.

Science.gov (United States)

2010-10-01

... 48 Federal Acquisition Regulations System 5 2010-10-01 2010-10-01 false Ceiling price. 1352.216-77... SOLICITATION PROVISIONS AND CONTRACT CLAUSES Text of Provisions and Clauses 1352.216-77 Ceiling price. As prescribed in 48 CFR 1316.601-70 and 1316.602-70, insert the following clause: Ceiling Price (APR 2010) The...

77 FR 16542 - President's Advisory Commission on Educational Excellence for Hispanics

Science.gov (United States)

2012-03-21

...: Tuesday, April 3, 2012. Time: 9 a.m.-5 p.m. Pacific Daylight Time. ADDRESSES: Loker Student Union Ballroom, California State University, Dominguez Hills, 1000 E. Victoria St., Carson, CA 90747, Tel: 310-243- 3303. FOR... use PDF, you must have Adobe Acrobat Reader, which is available free at this site. For questions about...

30 CFR 77.902-1 - Fail safe ground check circuits; maximum voltage.

Science.gov (United States)

2010-07-01

... voltage. 77.902-1 Section 77.902-1 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF... OF UNDERGROUND COAL MINES Low- and Medium-Voltage Alternating Current Circuits § 77.902-1 Fail safe ground check circuits; maximum voltage. The maximum voltage used for ground check circuits under § 77.902...

30 CFR 77.803-1 - Fail safe ground check circuits; maximum voltage.

Science.gov (United States)

2010-07-01

... voltage. 77.803-1 Section 77.803-1 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF... OF UNDERGROUND COAL MINES Surface High-Voltage Distribution § 77.803-1 Fail safe ground check circuits; maximum voltage. The maximum voltage used for ground check circuits under § 77.803 shall not...

77 FR 57317 - 2012 Truth in Lending Act (Regulation Z) Mortgage Servicing

Science.gov (United States)

2012-09-17

... servicers under a variety of business models. In some cases, creditors service mortgage loans that they... disbursement, and cross-marketing other products and services to borrowers. Under this business model...), available at: http://digital.law.washington.edu/dspace-law/bitstream/handle/1773.1/1074/86WLR755.pdf . These...

46 CFR 45.77 - Salt water freeboard.

Science.gov (United States)

2010-10-01

... 46 Shipping 2 2010-10-01 2010-10-01 false Salt water freeboard. 45.77 Section 45.77 Shipping COAST... Salt water freeboard. (a) The salt water addition in inches to freeboard applicable to each fresh water mark is obtained by the formula: Addition=Δ/41T where: Δ=displacement in fresh water, in tons of 2,240...

THOR: A New Higher-Order Closure Assumed PDF Subgrid-Scale Parameterization; Evaluation and Application to Low Cloud Feedbacks

Science.gov (United States)

Firl, G. J.; Randall, D. A.

2013-12-01

The so-called "assumed probability density function (PDF)" approach to subgrid-scale (SGS) parameterization has shown to be a promising method for more accurately representing boundary layer cloudiness under a wide range of conditions. A new parameterization has been developed, named the Two-and-a-Half ORder closure (THOR), that combines this approach with a higher-order turbulence closure. THOR predicts the time evolution of the turbulence kinetic energy components, the variance of ice-liquid water potential temperature (θil) and total non-precipitating water mixing ratio (qt) and the covariance between the two, and the vertical fluxes of horizontal momentum, θil, and qt. Ten corresponding third-order moments in addition to the skewnesses of θil and qt are calculated using diagnostic functions assuming negligible time tendencies. The statistical moments are used to define a trivariate double Gaussian PDF among vertical velocity, θil, and qt. The first three statistical moments of each variable are used to estimate the two Gaussian plume means, variances, and weights. Unlike previous similar models, plume variances are not assumed to be equal or zero. Instead, they are parameterized using the idea that the less dominant Gaussian plume (typically representing the updraft-containing portion of a grid cell) has greater variance than the dominant plume (typically representing the "environmental" or slowly subsiding portion of a grid cell). Correlations among the three variables are calculated using the appropriate covariance moments, and both plume correlations are assumed to be equal. The diagnosed PDF in each grid cell is used to calculate SGS condensation, SGS fluxes of cloud water species, SGS buoyancy terms, and to inform other physical parameterizations about SGS variability. SGS condensation is extended from previous similar models to include condensation over both liquid and ice substrates, dependent on the grid cell temperature. Implementations have been

77 FR 65448 - Funding Availability Under Supportive Services for Veteran Families Program

Science.gov (United States)

2012-10-26

.... Submission of Application Package: Two completed, collated, hard copies of the application and two compact... electronic copy of the entire application. A budget template must be attached in Excel format on the CD, but all other application materials may be attached in a PDF or other format. The application copies and...

30 CFR 77.509 - Transformers; installation and guarding.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Transformers; installation and guarding. 77.509... COAL MINES Electrical Equipment-General § 77.509 Transformers; installation and guarding. (a... feet from any energized parts, casings, or wiring. (b) Transformer stations shall be enclosed to...

30 CFR 77.314 - Automatic temperature control instruments.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Automatic temperature control instruments. 77... UNDERGROUND COAL MINES Thermal Dryers § 77.314 Automatic temperature control instruments. (a) Automatic temperature control instruments for thermal dryer system shall be of the recording type. (b) Automatic...

[Advantages and disadvantages of different methods for the implementation and the support of standard operating procedures: From PDF files to an app- and webbased SOP management system].

Science.gov (United States)

Bauer, M; Riech, S; Brandes, I; Waeschle, R M

2015-11-01

The quality assurance of care and patient safety, with increasing cost pressure and performance levels is of major importance in the high-risk and high cost area of the operating room (OR). Standard operating procedures (SOP) are an established tool for structuring and standardization of the clinical treatment pathways and show multiple benefits for quality assurance and process optimization. An internal project was initiated in the department of anesthesiology and a continuous improvement process was carried out to build up a comprehensive SOP library. In the first step the spectrum of procedures in anesthesiology was transferred to PDF-based SOPs. The further development to an app-based SOP library (Aesculapp) was due to the high resource expenditure for the administration and maintenance of the large PDF-based SOP collection and to deficits in the mobile availability. The next developmental stage, the SOP healthcare information assistant (SOPHIA) included a simplified and advanced update feature, an archive feature previously missing and notably the possibility to share the SOP library with other departments including the option to adapt each SOP to the individual situation. A survey of the personnel showed that the app-based allocation of SOPs (Aesculapp, SOPHIA) had a higher acceptance than the PDF-based developmental stage SOP form. The SOP management system SOPHIA combines the benefits of the forerunner version Aesculapp with improved options for intradepartmental maintenance and administration of the SOPs and the possibility of an export and editing function for interinstitutional exchange of SOPs.

77 FR 9187 - Carriage of Digital Television Broadcast Signals: Amendment to the Commission's Rules

Science.gov (United States)

2012-02-16

... Digital Television Broadcast Signals: Amendment to the Commission's Rules AGENCY: Federal Communications... native format (e.g., .doc, .xml, .ppt, searchable .pdf). Participants in this proceeding should... Commission adopted certain rules to protect consumers as the transition to digital television (DTV...

30 CFR 77.409 - Shovels, draglines, and tractors.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Shovels, draglines, and tractors. 77.409... COAL MINES Safeguards for Mechanical Equipment § 77.409 Shovels, draglines, and tractors. (a) Shovels... the operator prior to starting operation. (b) Shovels and draglines shall be equipped with handrails...

77 FR 19175 - Atlantic Highly Migratory Species; 2012 Atlantic Bluefin Tuna Quota Specifications

Science.gov (United States)

2012-03-30

...). Attachments to electronic comments will be accepted in Microsoft Word or Excel, WordPerfect, or Adobe PDF file... active member of the International Commission for the Conservation of Atlantic Tunas (ICCAT), the United States implements binding ICCAT recommendations to comply with this international treaty. ATCA authorizes...

77 FR 18229 - Applications for New Awards; Investing in Innovation Fund, Validation Grants

Science.gov (United States)

2012-03-27

... reading skills administered in the same way to both groups). Experimental study means a study that employs...-experimental study (as defined in this notice) supporting the effectiveness of the practice, strategy, or...-4357.pdf . Validation grants provide funding to support practices, strategies, or programs that show...

77 FR 53819 - Proposed Priorities, Requirements, Definitions, and Selection Criteria-Supporting Effective...

Science.gov (United States)

2012-09-04

... English learners, who are far below grade level or who are not on track to becoming college- or career... with limited English proficiency), achieve high rates (e.g., one and one-half grade levels in an..., 2012, from http://www.nber.org/papers/w6691.pdf ; Thomas J. Kane & Douglas O. Staiger, Gathering...

Journal of Earth System Science | Indian Academy of Sciences

Indian Academy of Sciences (India)

Yearly variation and annual cycle of total column ozone over New Delhi (29°N, 77°E), India and Halley Bay (76°S, 27°W), British Antarctic Survey Station and its effect on night airglow intensity of OH(8, 3) for the period 1979–2005 · P K Jana D K Saha D Sarkar · More Details Abstract Fulltext PDF. A critical analysis made on ...

The Russian Perception of the NATO Aerospace Threat: Could It Lead to Preemption

Science.gov (United States)

2016-09-01

led to the most serious crisis in Russian-American/Western relations since the end of the Cold War. So far, no one has suggested a plausible...potential for great danger in others. In circumstances that make Russian-American relations stable and reasonably businesslike, threat perceptions are...OtrasPublicaciones/ Internacional /2016/Russian-National-Security-Strategy-31Dec2015.pdf. 77. For the difficulties of fighting such a war, see Lt Col