gebhart/patrepeval huggingface dataset:
Analysis of the Morphological Development of PBT/ABS Blends during the Twin Screw Extrusion and Injection Molding Processes (2003)

Abstract The aim of this work was to observe the development of the phase morphology of the PBT/ABS blends during their extrusion mixing and injection molding steps. The evolution of the blend morphology during the mixing stage was analyzed using a specially designed co-rotational twin-screw extruder with a collecting device located along the barrel. Blend samples were collected in-line along the length of the extruder barrel during the blending process. Samples obtained from the extruded pellets and from injection molded specimens were also used to observe the blend morphology. All the samples were observed by transmission electron microscopy (TEM). They were prepared by cryo-ultramicrotomy and the rubbery phase of the ABS contained in the blends was stained with osmium tetroxide (OsO 4 ). A special function was established and is proposed to analyze the blend morphology trends through image analysis. In binary blends, the ABS phase showed better dispersion after the mixture passed through the extruder die. However, a coalescence phenomenon was observed during the next molding step. Compatibilized PBT/ABS blends showed better dispersion than binary blends, even after injection molding. The special function used to quantify the dispersion throughout the mixing and molding steps showed an excellent performance.
The potential for modification in cloning and vitrification technology to enhance genetic progress in beef cattle in Northern Australia (2014)

Recent advances in embryology and related research offer considerable possibilities to accelerate genetic improvement in cattle breeding. Such progress includes optimization and standardization of laboratory embryo production (in vitro fertilization - IVF), introduction of a highly efficient method for cryopreservation (vitrification), and dramatic improvement in the efficiency of somatic cell nuclear transfer (cloning) in terms of required effort, cost, and overall outcome. Handmade cloning (HMC), a simplified version of somatic cell nuclear transfer, offers the potential for relatively easy and low-cost production of clones. A potentially modified method of vitrification used at a centrally located laboratory facility could result in cloned offspring that are economically competitive with elite animals produced by more traditional means. Apart from routine legal and intellectual property issues, the main obstacle that hampers rapid uptake of these technologies by the beef cattle industry is a lack of confidence from scientific and commercial sources. Once stakeholder support is increased, the combined application of these methods makes a rapid advance toward desirable traits (rapid growth, high-quality beef, optimized reproductive performance) a realistic goal. The potential impact of these technologies on genetic advancement in beef cattle herds in which improvement of stock is sought, such as in northern Australia, is hard to overestimate.
Measurement of Feynman- $$x$$ x spectra of photons and neutrons in the very forward direction in deep-inelastic scattering at HERA (2014)

Measurements of normalised cross sections for the production of photons and neutrons at very small angles with respect to the proton beam direction in deep-inelastic ep scattering at HERA are presented as a function of the Feynman variable x F and of the centre-of-mass energy of the virtual photon-proton system W . The data are taken with the H1 detector in the years 2006 and 2007 and correspond to an integrated luminosity of 131 pb -1 . The measurement is restricted to photons and neutrons in the pseudorapidity range > 7.9 and covers the range of negative four momentum
Design of Audio-Frequency Amplifier Circuits Using Transformers (1936)

The computation of performance of a transformer at frequencies near resonance is simplified for the case in which the secondary is loaded with resistance. The information is presented in the form of a family of curves in which the generator and load resistances are the dependent and independent variables. The parameter, or third variable, held constant for a given curve, is the ratio of gain at resonance to the gain at some frequency at which resonance effects do not enter. It is referred to as the "resonance gain" and is expressed in decibels rise at resonance. Here the reference level of zero decibels is taken as either the gain at zero frequency for the equivalent circuit, which acts as a low-pass filter, or at infinite frequency for the case of a high-pass equivalent. Frequency response curves are given to illustrate the use of the design charts and to show the effect of varying the ratio of load to generator resistance, keeping the gain parameter constant. A typical curve showing the effect of the ratio of load-to-generator resistance on the phase angle is also shown. Use of the charts for design purposes is explained and numerical examples given.
A complete system for head tracking using motion-based particle filter and randomly perturbed active contour (2005)

Recent advances in multimedia and communication require techniques for accurately tracking objects in video sequences. We propose a complete system for head tracking and contour refinement. Our tracking approach is based on particle filtering framework. However, unlike existing methods that use prior knowledge or likelihood functions as proposal densities, we use a motion-based proposal. Adaptive Block Matching (ABM) algorithm is the motion estimation technique used. Several advantages arise from this choice of proposal. (i) Only few samples are propagated. (ii) The tracking is adaptive to different categories of motion (iii) Off-line motion learning is not needed. Following the tracking is the contour refinement step. We want to transform the parametric estimate representing the tracked head at a given time instant into an elastic contour delineating the head’s boundaries. We use an active contour framework based on a dynamic programming scheme. However active contours are very sensitive to parameter assignment and initial condition. Using the tracked parametric estimate, we create a set of randomly perturbed initial conditions. The optimal contour is then the one corresponding to the lowest energy. Our system demonstrates tracking a person’s head in complex environments and delineates its boundaries for future use.
Acrolein and other Aldehydes in Beer (1954)

(1954). Acrolein and other Aldehydes in Beer. Proceedings. Annual meeting - American Society of Brewing Chemists: Vol. 12, Proceedings of the Annual Meeting 1954, pp. 98-107.
Social anxiety is characterized by biased learning about performance and the self. (2017)

People learn about their self from social information, and recent work suggests that healthy adults show a positive bias for learning self-related information. In contrast, social anxiety disorder (SAD) is characterized by a negative view of the self, yet what causes and maintains this negative self-view is not well understood. Here the authors use a novel experimental paradigm and computational model to test the hypothesis that biased social learning regarding self-evaluation and self-feelings represents a core feature that distinguishes adults with SAD from healthy controls. Twenty-one adults with SAD and 35 healthy controls (HCs) performed a speech in front of 3 judges. They subsequently evaluated themselves and received performance feedback from the judges and then rated how they felt about themselves and the judges. Affective updating (i.e., change in feelings about the self over time, in response to feedback from the judges) was modeled using an adapted Rescorla-Wagner learning model. HCs demonstrated a positivity bias in affective updating, which was absent in SAD. Further, self-performance ratings revealed group differences in learning from positive feedback-a difference that endured at an average of 1 year follow up. These findings demonstrate the presence and long-term endurance of positively biased social learning about the self among healthy adults, a bias that is absent or reversed among socially anxious adults. (PsycINFO Database Record
Optimization of capillary zone electrophoresis for charge heterogeneity testing of biopharmaceuticals using enhanced method development principles (2017)

CZE is a well-established technique for charge heterogeneity testing of biopharmaceuticals. It is based on the differences between the ratios of net charge and hydrodynamic radius. In an extensive intercompany study, it was recently shown that CZE is very robust and can be easily implemented in labs that did not perform it before. However, individual characteristics of some examined proteins resulted in suboptimal resolution. Therefore, enhanced method development principles were applied here to investigate possibilities for further method optimization. For this purpose, a high number of different method parameters was evaluated with the aim to improve CZE separation. For the relevant parameters, design of experiments (DoE) models were generated and optimized in several ways for different sets of responses like resolution, peak width and number of peaks. In spite of product specific DoE optimization it was found that the resulting combination of optimized parameters did result in significant improvement of separation for 13 out of 16 different antibodies and other molecule formats. These results clearly demonstrate generic applicability of the optimized CZE method. Adaptation to individual molecular properties may sometimes still be required in order to achieve optimal separation but the set screws discussed in this study [mainly pH, identity of the polymer additive (HPC versus HPMC) and the concentrations of additives like acetonitrile, butanolamine and TETA] are expected to significantly reduce the effort for specific optimization.
From imaging to simulation: a framework applied to simulate the blood flow in the carotids (2015)

In this work we present a methodology to extract
information from medical imaging and use it for hemodynamical
simulation in arteries. Based on in-vivo magnetic resonance images
(MRI), the velocity of the blood flow has been measured at different
positions and times. Also, the anatomy of the vessel has been
converted into a volume mesh suitable for numerical modeling. This
data has been used to solve computationally the dynamics of the fluid
inside the artery in healthy and pathologic cases. As an application,
we have developed a computational model within the carotids. The
next step in the pipeline will be to extend the simulation to fluidstructure
interaction (FSI) to find the parameters in an
atherosclerotic plaque that could lead to rupture.
Studies on Carcinolytic Compounds. I. 6,7-Dichloro-9-(1'-D-sorbityl)-isoalloxazine (1950)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies on Carcinolytic Compounds. I. 6,7-Dichloro-9-(1'-D-sorbityl)-isoalloxazineFrederick W. Holly, Elizabeth W. Peel, Ralph Mozingo, and Karl FolkersCite this: J. Am. Chem. Soc. 1950, 72, 12, 5416–5418Publication Date (Print):December 1, 1950Publication History Published online1 May 2002Published inissue 1 December 1950https://pubs.acs.org/doi/10.1021/ja01168a014https://doi.org/10.1021/ja01168a014research-articleACS PublicationsRequest reuse permissionsArticle Views146Altmetric-Citations27LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
Distributed resilient architecture for ethernet networks (2006)

The authors proposed an enhanced resilient Ethernet architecture that is based on multiple pre-established spanning trees to connect a set of edge nodes. Fast failover is achieved so that edge nodes switch to a non-affected tree after a link or node failure. A fast and robust procedure was also proposed for edge nodes to detect failures and notify other edge nodes. The other contribution of the paper is an algorithm that calculates multiple spanning trees for input topologies so that at least one tree provides connectivity after a node or a link failure. The algorithm provides minimal number of spanning trees to make input networks fault tolerant. The performance of the algorithm was tested via simulations.
High-spin polymeric arylamines (1999)

High–spin p–doped polyarylamines have been created containing small clusters (tens) of ferromagnetically coupled unpaired electrons. In these doped polymers neighbouring spins couple through a pathway analogous to that found in meta–quinodimethane and the spin–carriers are triarylamine radical cations. The use of polymers in which the triarylamine radical cation centres are stabilized by Ar2N rather than RO substituents gives improved stability but much poorer spin–coupling properties. Furthermore, the much greater ease of dication (bipolaron) formation makes it difficult to dope these amine–stabilized polymers to the requisite level. Work by other groups exploiting phenoxy and triarlymethyl spin–carriers and the prospects for producing polymers with much larger clusters of ferromagnetically coupled spins are discussed.
Charm counting in b decays (1996)

The inclusive production of charmed particles in Z → bb decays has been measured from the yield of D0, D+, Ds+ and Λc+ decays in a sample of qq events with high b purity collected with the ALEPH detector from 1992 to 1995. From these measurements, adding the charmonia production rate and an estimate of the charmed strange baryon contribution, the average number of charm quarks per b decay is determined to be nc = 1.230 ± 0.036 ± 0.038 ± 0.053, where the uncertainties are due to statistics, systematic effects and branching ratios, respectively.
MIMO broadcast channel with continuous feedback using full-duplex radios (2014)

In this paper, we study the use of full-duplex radios for continuous feedback of channel state information in MIMO broadcast channels. The simultaneous transmission of feedback on the same frequency band as downlink transmissions causes inter-node interference (INI) at the receiver. We quantify the impact of INI and associated tradeoff in the design of the feedback channel. We show that a continuously adaptive beamforming strategy can achieve higher multiplexing gain with same feedback resources compared to its half-duplex counterpart.
Test-retest reliability of fMRI experiments during robot-assisted active and passive stepping (2015)

These findings imply that an increased variability of motor performance during active movements of healthy participants may be associated with a stable neuronal activation pattern across repeated measurements. In contrast, a stable motor performance during passive movements may be accompanied by a confined reliability of brain activation across repeated measurements.
Retinal capillary basement membrane thickness in diabetic mice genetically modified at the haptoglobin locus (2006)

A highly significant increase in RCBM thickness was observed in DM mice with the Hp 2 genotype. These data provide important support for association studies done in humans showing an increased prevalence of diabetic retinopathy in individuals with the Hp 2 genotype.
Near-far effect resistant multiuser detectors (1992)

The optimum and a suboptimum NEar-FAr Resistant (NEFAR) receiver are presented, with the suboptimum decorrelating detector whose complexity is linear with the number of users. There is strong similarity between the decorrelating detector and adaptive equalization structures used extensively in mobile telephony as a means of combating intersymbol interference. These structures are based on linear adaptive equalization technology and their computational complexity is also linear with the number of users, while their performance is only slightly degraded in comparison with the optimum detector. Nonlinear multiuser equalization techniques are addressed. The validity of the main assumption in this analysis, the correct delay estimation, is also discussed. >
Two-Phase Zero-Net Liquid Flow in Upward Inclined Pipes: Experiment and Modeling (1998)

Summary The effect of pressure on two-phase zero-net liquid flow (ZNLF) in upward inclined pipes has been studied experimentally and theoretically. Experimental data were acquired for four upward inclination angles, namely, 1,2, 5, and 9°, and for three system pressures of 14.7, 44.7, and 64.7 psia. A sequence of flow configuration was observed with increasing gas flow rate as follows: slug flow for low superficial gas velocities; protoslug for medium velocities; and pulsating, small-amplitude waves or roll waves at high velocities. At a particular velocity of gas, termed the blowout velocity, all the liquid was blown out of the pipe. An analysis of equilibrium stratified flow, at the limit of very low and zero liquid flow rates, has been carried out. It was found that, under these conditions, the flow is always unstable, resulting in intermittent or pulsating stratified flow. A model has been developed for the prediction of the blowout velocity, as well as average liquid holdup and pressure gradient under ZNLF conditions. A very good agreement was observed between the predictions of the proposed model and the experimental data.
A facile and improved synthesis of tubercidin and certain related pyrrolo[2,3‐<i>d</i>]pyrimidine nucleosides by the stereospecific sodium salt glycosylation procedure (1988)

Abstract A simple synthesis of tubercidin ( 1 ), 7‐deazaguanosine ( 2 ) and 2′‐deoxy‐7‐deazaguanosine ( 14 ) has been accomplished using the sodium salt glycosylation procedure. Reaction of the sodium salt of 4‐chloro‐ and 2‐amino‐4‐chloro‐pyrrolo[2,3‐ d ]pyrimidine, 3 and 4 , respectively, with 1‐chloro‐2,3‐ 0 ‐isopropylidene‐5‐ 0 ‐( t ‐butyl)dimethylsilyl‐α‐D‐ribofuranose ( 5 ) gave the corresponding protected nucleosides 6n and 7 with β‐anomeric configuration. Deprotection of 6 provided 8 , which on heating with methanolic ammonia gave tubercidin ( 1 ) in excellent yield. Functional group transformation of 7 , followed by deisopropylidenation gave 2‐aminotubercidin ( 10 ) and 2‐amino‐7‐β‐D‐ribofuranosylpyrrolo[2,3‐ d ]pyrimidine‐4(3 H )‐thione ( 11 ). Treatment of 7 with 1 N sodium methoxide followed by exposure to aqueous trifluoroacetic acid, and ether cleavage furnished 7‐deazaguanosine ( 2 ). 2′‐Deoxy‐7‐deazaguanosine ( 14 ) and 2′‐deoxy‐7‐deaza‐6‐thioguano‐sine ( 18 ) were also prepared by using similar sequence of reactions employing 4 and 1‐chloro‐2‐deoxy‐3,5‐di‐ O‐p ‐toluoyl‐α‐D‐ erythro ‐pentofuranose ( 15 ).
THE MAGNETOSTRICTION OF SILICON-DOPED YTTRIUM IRON GARNET (YIG) (1966)

The magnetostriction constants λ100 and λ111 have been measured at room temperature for YIG single crystals in which a small fraction of the iron ions are replaced by silicon. The magnetically active impurity is believed to be divalent iron which compensates the Si4+. As the silicon concentration reaches about 0.05 Si atoms/Y3Fe5O12, both λ's pass through zero. In crystals of this composition the magnetization is largely decoupled from the strain distribution in the crystal. A peak in low-frequency permeability and simple easily interpreted domain structures correspond to this λ = 0 composition.
Effect of X Radiation and Cortisone on Mouse Hepatitis Virus Infection in Germfree Mice (1965)

Journal Article Effect of X Radiation and Cortisone on Mouse Hepatitis Virus Infection in Germfree Mice Get access Philip P. Vella, Philip P. Vella Lobund Laboratory, Biology Department, University of Notre Dame, Notre Dame, Indiana 46556 Search for other works by this author on: Oxford Academic PubMed Google Scholar Theodore J. Starr Theodore J. Starr Lobund Laboratory, Biology Department, University of Notre Dame, Notre Dame, Indiana 46556 Search for other works by this author on: Oxford Academic PubMed Google Scholar The Journal of Infectious Diseases, Volume 115, Issue 3, June 1965, Pages 271–277, https://doi.org/10.1093/infdis/115.3.271 Published: 01 June 1965 Article history Received: 18 November 1964 Published: 01 June 1965
A Regional Geophysical Study of the Western Overthrust Belt in Southwestern New Mexico, West Texas, and Northern Chihuahua (1982)

The complicated tectonic history of southern New Mexico, northern Chihuahua, West Texas, and southeastern Arizona poses great difficulties for geophysical studies in the area. A terrain-corrected, regional Bouguer gravity map of the area has been produced which reflects this. complexity. This map is dominated by a northwest grain which is probably the result of a Precambrian tectonic boundary. This boundary seems to have at least locally exerted control on younger features leading to considerable superposition of structures in the area.
Low-temperature phase of Li2FeSiO4: crystal structure and a preliminary study of electrochemical behavior (2011)

A nearly single-phase of a low-temperature (LT) phase of Li(2)FeSiO(4) is prepared by a hydrothermal method at 150 °C. We report the detailed crystal structure of LT-Li(2)FeSiO(4) (S.G. Pmn2(1)) by applying Rietveld/MEM analysis to the synchrotron XRD pattern. LT-Li(2)FeSiO(4) shows 150 mA h g(-1) as the positive electrode materials of rechargeable batteries.
First-principles study on phase stability of MoSi<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow/><mml:mn>2</mml:mn></mml:msub></mml:math>-NbSi<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow/><mml:mn>2</mml:mn></mml:msub></mml:math>pseudobinary alloys (2012)

The phase stability of MoSi${}_{2}$-NbSi${}_{2}$ pseudobinary alloys was examined by Monte Carlo simulation and the cluster expansion technique based on first-principles calculations. We found that formation energies of all possible atomic arrangements exhibited a positive sign, indicating that no stable intermediate phase exists between MoSi${}_{2}$ with C11${}_{\mathrm{b}}$ and NbSi${}_{2}$ with C40 structures. The C40 phase has significantly greater solubility as well as higher temperature dependence of solubility than C11${}_{\mathrm{b}}$, which agrees with previous experimental reports. Lattice vibration is found to significantly affect the solubility of both C11${}_{\mathrm{b}}$ and C40 phases, where its impact naturally increases at higher temperatures. From the analysis of Warren-Cowley short-range-order parameters, the C11${}_{\mathrm{b}}$ single phase can be interpreted as a nearly disordered state, while the C40 phase exhibits explicit deviation from the disordered state: C40 prefers Mo-Mo and Nb-Nb like-atom pairs for first-nearest-neighbor coordination, especially around equiatomic composition.