gebhart/patrepeval huggingface dataset:
The influence of microstructure on fatigue crack propagation in polyoxyrnethylene (1991)

An analysis of the influence of crystalline microstructure on fatigue crack propagation in polyoxymethylene is presented. A series of test specimens containing a variety of diverse microstructures was prepared through controlled thermal treatments of plaques from four different lots of polyoxymethylene. Extensive characterization of the crystalline microstructure was carried out in order to permit a direct comparison between the fatigue behaviour and crystalline microstructure. The degree of crystallinity and tie molecule density were both found to have a significant affect on fatigue crack propagation rate while average spherulite size did not appear to influence fatigue behaviour. Additionally, the fatigue fracture surfaces of many of the test specimens were examined. Three distinct surface topographies were observed and found to correlate with different stages of crack growth. In the region near the end of fatigue crack propagation, closely spaced surface markings that resemble fatigue striations were observed.
Capacitively tuned sinusoidally modulated leaky wave antennas (2016)

In this paper a leaky wave antenna is presented that utilizes a sinusoidally modulated reactance surface. Contrary to conventional designs the sinusoidal reactance variation is electronically controlled (rather than geometrically) using a frequency selective surface loaded with lumped capacitors. Using a very thorough analysis that utilizes the transverse resonance method it is demonstrated how to derive the necessary capacitance-to-reactance map. According to this map any desired surface reactance profile (that uniquely determines the radiation properties of the antenna) can be translated to a set of lumped capacitor loads. The proposed design methodology is numerically validated. Moreover, it is demonstrated that the resulting leaky wave antenna is highly efficient.
Generating Adversarial Driving Scenarios in High-Fidelity Simulators (2019)

In recent years self-driving vehicles have become more commonplace on public roads, with the promise of bringing safety and efficiency to modern transportation systems. Increasing the reliability of these vehicles on the road requires an extensive suite of software tests, ideally performed on high-fidelity simulators, where multiple vehicles and pedestrians interact with the self-driving vehicle. It is therefore of critical importance to ensure that self-driving software is assessed against a wide range of challenging simulated driving scenarios. The state of the art in driving scenario generation, as adopted by some of the front-runners of the self-driving car industry, still relies on human input [1]. In this paper we propose to automate the process using Bayesian optimization to generate adversarial self-driving scenarios that expose poorly-engineered or poorly-trained self-driving policies, and increase the risk of collision with simulated pedestrians and vehicles. We show that by incorporating the generated scenarios into the training set of the self-driving policy, and by fine-tuning the policy using vision-based imitation learning we obtain safer self-driving behavior.
Estrogenic Activity of Isoflavonoids fromOnobrychis ebenoides (2006)

Fractionation of the neutral extract of Onobrychis ebenoides (Leguminosae) yielded a new isoflavone, named ebenosin (1), in addition to the known ones, afrormosin (2), formononetin (3) and daidzein (4). Although the relative binding affinities of 1 - 4 for estrogen receptor alpha (ERalpha) were nearly comparable and matched those of 1-3 for ERbeta, that of 4 for the latter receptor was significantly higher than any of the other. Compounds 1 - 4 induced cell proliferation and gene expression in breast and endometrial cancer cells in an ER-dependent manner. Nonetheless, the rank order of induction potencies ( 4 > 3 >or= 2 >or= 1) matched better that of affinities for ERbeta ( 4 > 3 >or= 2 >or= 1) rather than ERalpha ( 4 >or= 3 >or= 2 >or= 1). While the antiestrogen ICI 182,780 could inhibit the induction of proliferation of ER-positive breast cancer cells by 1-4, it could not prevent 1 from exhibiting significant ER-independent cytotoxicity at 10 microM. By contrast, 1 was much less cytotoxic and only weakly estrogenic for ER-positive endometrial adenocarcinoma cells. In conclusion, our data suggest that the C-8 isoprenyl substituent of 1 renders it cytotoxic and/or estrogenic in a cell-dependent manner.
Anionic Copolymerization of Butadiene and Isoprene with Organolithium Initiators in Hexane (1981)

In homopolymerization initiated by sec-butyl-lithium in hexane, isoprene is a more active monomer than butadiene (with k1=5.53 x 10-5 sec-1 vs. k1=0.98 x 10-5 sec-1 at 20°C). This is also true for reactions at 30° and 40°C. The apparent activation energy for both monomers has been found to be roughly the same, i.e., 19.4 kcal/mole. In the case of copolymerization, butadiene reacts preferentially, but nonexclusively. Significant amounts of isoprene units are also incorporated in a rather random fashion during the early stage of copolymerization. At 50 mole percent isoprene or higher, one observes a second stage of the polymerization that is faster and essentially identical to that observed for isoprene homopolymerization under similar conditions. Various methods have been used to estimate reactivity ratios. The average values at 20°C are rB=2.64 and rI=0.40. Preliminary evidence suggests that the copolymerization becomes more selective at lower temperature where the inversion phenomenon is more
Matching with Contracts (2003)

March 2003 We introduce a two-sided matching model with contracts that subsumes and extends the Gale-Shapley matching model, the Kelso-Crawford labor market model and the Ausubel-Milgrom package auction model. We identify the maximal set of preferences over contracts for which a stable match exists and the narrower set of preferences for which an analog of Roth’s “rural hospitals” result holds. Using the extended model, we characterize the dynamics of re-matching following a retirement and explore doctors’ incentives to report truthfully. Working Papers Index
Recent Progress and Next Directions for Embedded MRAM Technology (2019)

MRAM can play a variety of on-chip memory roles in advanced VLSI technology spanning from high retention, solder-reflow-capable non-volatile memory (NVM) to dense non-volatile or high retention working RAMs. This paper describes results for a solder-reflow-capable MRAM NVM and for extensions that trade off high retention against speed, power, and density.
Le Vocabulaire Des Faits Des Romains (1942)

Research Article| June 01 1942 Le Vocabulaire Des Faits Des Romains Raphael Levy Raphael Levy Search for other works by this author on: This Site Google Modern Language Quarterly (1942) 3 (2): 205–219. https://doi.org/10.1215/00267929-3-2-205 Cite Icon Cite Share Icon Share Twitter Permissions Search Site Citation Raphael Levy; Le Vocabulaire Des Faits Des Romains. Modern Language Quarterly 1 June 1942; 3 (2): 205–219. doi: https://doi.org/10.1215/00267929-3-2-205 Download citation file: Zotero Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu nav search search input Search input auto suggest search filter Books & JournalsAll JournalsModern Language Quarterly Search Advanced Search The text of this article is only available as a PDF. Copyright © 1942 by Duke University Press1942 Article PDF first page preview Close Modal Issue Section: Articles You do not currently have access to this content.
Acceptability of Exercise in Urban Emergency Department Patients With Metabolic Syndrome, Including a Subset With Venous Thromboembolism (2022)

Metabolic syndrome (MetS) afflicts more than one-third of US adults. In venous thromboembolism (VTE), MetS increases the risk of recurrence and severity of the post-pulmonary embolism syndrome, disproportionately affecting persons of color in urban settings. Exercise can positively modulate components of MetS. Our objective was to survey a sample of urban emergency department (ED) patients with MetS on their exercise habits and interest in increasing activity levels and to compare ± VTE patients. This survey study consisted of: (1) International Physical Activity Questionnaire, and (2) Likert scale gauging interest in increasing activity levels. Any adult ED patient with a composite MetS profile was included. We surveyed 247 patients with an average age of 59 years and 57% reported Black race. Only 9% met recommendations for vigorous exercise and 28% for moderate activity, with no significant difference in the 18% with prior VTE. Fifty-seven percent responded positively regarding motivation in increasing activity. This survey presents novel data supporting the need and feasibility of an interventional study examining exercise as an adjuvant therapy in patients with MetS and VTE.
Letters to the Editor (1998)

Department of Orthopaedics; University of North Carolina School of Medicine; Chapel Hill, North Carolina, U.S.A.
Quantitative Interpretation of Dynamic Resistance Signal in Resistance Spot Welding (2023)

Dynamic resistance is one of the most common and important signals used to monitor and control the resistance spot welding (RSW) process. However, existing studies on the signal evolution mechanism are limited to qualitative analysis, resulting in an ambiguous interpretation of the formation mechanism for the signal features. In this paper, a collaborative simulation approach was applied for the RSW of bare DP590 steel to obtain high-precision computation of the temperature and potential distributions inside the weld. On this basis, an analytical mapping model between the dynamic resistance signal and the weld profile was developed based on basic physical laws, and the signal evolution mechanism was quantitatively revealed through the model. It was found that the main factors determining the signal evolution trend are average sheet temperature and electrode/sheet contact diameter rather than the nugget growth process. The peak resistance feature was attributed to the bilinear relationship between sheet resistivity and temperature rather than nugget formation. The resistance drop after the peak mainly arose from the increase of the electrode/sheet contact diameter rather than nugget growth. This study can help improve the comprehension of the dynamic resistance signal and the interpretability of some data-driven methods used for RSW quality monitoring and control.
Venom Peptide Modulators of the Immune System (2011)

Venomous animals produce a diverse range of peptides and small molecules that are of both therapeutic and pharmacologic value. One such animal, the cone snail, produces peptides known as conotoxins, which may be of interest to those studying the mammalian immune system. Conotoxins are a family of venom peptides that display extraordinary diversity and often exquisite specificity for membrane protein targets, especially voltage and ligand activated ion channels. Conopeptides are proving to be important pharmacological tools to probe human physiology, with some showing promise as therapeutics for conditions such as neuropathic pain. The potential of these peptides to interact and modulate the human immune system has not been investigated despite literature suggesting that conotoxins could be valuable research tools and potential therapeutics in area of immunology. Known pharmacological targets of conopeptides expressed by immunocompetent cells include voltage-gated potassium channel (Kv), voltage-gated calcium channel (Cav), nicotinic and acetylcholine receptors. In addition, the 5-HT3, GABAB and NMDA receptors that are not considered classic immunomodulators but may play a secondary role in modulating immune responses. This review highlights venom peptides with potential to act at immunological targets within the mammalian immune system.
Introducing Presse Re[Combining Acute Accent]nale (2007)

Beginning with its next issue, the Clinical Journal of the American Society of Nephrology (CJASN) will launch a new feature, Presse Re[Combining Acute Accent]nale, that will provide our readers succinct summaries and brief commentaries on articles that are pertinent to the nephrology community and have been published outside the principal nephrology journals. This feature was developed in direct response to requests by the ASN membership and represents yet one more way in which development has been positively influenced by sage input from its readership. Presse Re[Combining Acute Accent]nale will provide synopses of articles that are not routinely read by nephrologists and that have been selected for their potential impact on the practice of renal medicine. We are very fortunate to have enlisted Eberhard Ritz from Heidelberg and Jean-Pierre Grunfeld from Paris to cover the areas of chronic kidney disease and dialysis and of clinical nephrology and genetics, respectively. William Bennett, CJASN Editor-in-Chief, and Mohamed Sayegh, CJASN Co-Deputy Editor, will survey the literature on transplantation. Presse Re[Combining Acute Accent]nale will cover four to five articles in each issue addressing one of these three areas in rotation. Watch for your January issue of CJASN for the inauguration of Presse Re[Combining Acute Accent]nale, which will cover important papers in the field of transplantation.
Serum Antibodies to Huntingtin Interacting Protein-1: A New Blood Test for Prostate Cancer (2005)

Huntingtin-interacting protein 1 (HIP1) is frequently overexpressed in prostate cancer. HIP1 is a clathrin-binding protein involved in growth factor receptor trafficking that transforms fibroblasts by prolonging the half-life of growth factor receptors. In addition to human cancers, HIP1 is also overexpressed in prostate tumors from the transgenic adenocarcinoma of the mouse prostate (TRAMP) mouse model. Here we provide evidence that HIP1 plays an important role in mouse tumor development, as tumor formation in the TRAMP mice was impaired in the Hip1null/null background. In addition, we report that autoantibodies to HIP1 developed in the sera of TRAMP mice with prostate cancer as well as in the sera from human prostate cancer patients. This led to the development of an anti-HIP1 serum test in humans that had a similar sensitivity and specificity to the anti-alpha-methylacyl CoA racemase (AMACR) and prostate-specific antigen tests for prostate cancer and when combined with the anti-AMACR test yielded a specificity of 97%. These data suggest that HIP1 plays a functional role in tumorigenesis and that a positive HIP1 autoantibody test may be an important serum marker of prostate cancer.
Phase fluctuations in Josephson junctions (1986)

Thermal excitation and zero-point motion bring about fluctuations in the gauge-invariant phase coupling across Josephson junctions. These fluctuations are studied in a simple picture incorporating both the resistively shunted junction (RSJ) model and the Ambegaokar-Baratoff theory. A diagram of the parameter space of a junction delineating a boundary between the phase-coupled and phase-decoupled regimes is obtained. Estimates of the root-mean-square voltage fluctuations justify the use of the normal-state tunneling resistance rather than the temperature-dependent quasiparticle tunneling resistance in the RSJ model at the boundary.
A streaming approach to radio astronomy imaging (2010)

The emergence of large-field radio telescopes has generated the need to process huge amounts of data “on the fly” in order to avoid substantial costs in storage and signal processing. In this paper, we describe a streaming software approach to radio astronomy, and in particular, show how the IBM-developed stream computing architecture System S enables seamless “on the fly” radio astronomy imaging. This approach overcomes pertinent issues of memory limitation and latencies related to data processing, and it allows autonomous processor allocation to tasks as the need arises.
Losartan Preserves Erectile Function After Bilateral Cavernous Nerve Injury via Antifibrotic Mechanisms in Male Rats (2009)

These data suggest that fibrotic activators in the penis may cause decreased erectile function after bilateral cavernous nerve injury. Angiotensin II type 1 receptor antagonism may counteract this effect and promote erectile function preservation for conditions associated with penile fibrosis.
Comparison between the effect of butyric acid and its prodrug pivaloyloxymethylbutyrate on histones hyperacetylation in an HL‐60 leukemic cell line (1994)

A butyric acid pro-drug, pivaloyloxymethyl butyrate, AN-9, developed in our laboratory, was previously shown to act as a differentiation-inducing and an anti-cancer agent. In this study we have shown that both AN-9 and butyric acid caused a transient hyperacetylation of histones, which returned to basal levels after 6 and 12 hr, respectively. This activity precedes the induction of differentiation elicited by both agents. AN-9 induced acetylation of histones at a concentration one order of magnitude lower than butyric acid. Pre-treatment of the cells with esterase(s) inhibitors diminished the ability of AN-9 to inhibit proliferation and induce differentiation. The above suggests that the intracellular release of butyric acid fragment, from the pro-drug, is catalyzed by cellular esterase(s).
Speed control experiments for commercial heavy vehicles with coordinated friction and engine compression brakes (2002)

In this paper we describe the development and experimental validation of a simple coordination scheme between friction and engine compression brakes for a Class 8 Freightliner truck used as a development platform in the California PATH program. The coordination scheme is tuned to minimize the use of friction brakes while maintaining the speed tracking performance of the closed-loop braking controller that utilizes the friction (service) brakes only. Through the coordination scheme, a PID controller command is interpreted as a braking torque demand and split into a friction brake command and compression brake command. The split is based on the models for the compression braking torque and friction braking torque developed and identified from "field" experiments performed in Crow's Landing. The results of closed-loop experiments show that the integration of the compression brake into the speed control framework reduces the usage and wear of the conventional friction brakes.
Inflammatory breast cancer defined: proposed common diagnostic criteria to guide treatment and research (2022)

To move beyond subjective 'clinical diagnosis' of IBC, we propose a quantitative scoring system to define IBC, based on clinical, pathologic, and imaging features. This system is intended to predict outcome and biology, guide treatment decisions and inclusion in clinical trials, and increase diagnostic accuracy to aid basic research; future validation studies are necessary to evaluate its performance.
Silicon-Chip-Based f-2f Interferometer (2019)

Using a single silicon-nitride waveguide, we demonstrate an f-2f interferometer for carrier-envelope-offset frequency (fCEO) detection by simultaneous supercontinuum generation and second-harmonic generation. We measure a fCEO beatnote with a 27-dB SNR with 62-pJ pulse energies.
Underwater UXO detection and discrimination: understanding EMI scattering phenomena in a conducting environment (2008)

There are approximately one million acres of underwater lands at Department of Defense (DOD) and Department of Energy (DOE) sites that are highly contaminated with unexploded ordnance (UXO) and land mines. The detection and disposal of Underwater Military Munitions are more expensive than excavating the same targets on land. Electromagnetic induction (EMI) sensing has emerged as one of the most promising technologies for underwater detection. In order to explore the full potential of various EMI sensing technologies for underwater detection and discrimination, to achieve a high (~100%) probability of detection, and to distinguish UXO from non-UXO items accurately and reliably, first the underlying physics of EM scattering phenomena in underwater environments needs to be investigated in great detail. This can be achieved by using an accurate 3D numerical code, such as the combined method of auxiliary sources and thin skin depth approximation (MAS/TSA), the pseudospectral time-domain technique, finite element methods or other approaches. This paper utilizes the combined MAS/TSA, originally developed for detection and discrimination of highly conducting and permeable metallic objects placed in an environment with zero or negligible conductivity. Here, first the theoretical basis of the MAS/TSA is presented for metallic objects placed in an electrically conductive environment. Then numerical experiments are conducted for homogeneous targets of canonical (spheroidal) shapes subject to frequency- or time-domain illumination. The results illustrate coupling effects between the object and its surrounding conductive medium, particularly at high frequencies (early times for time-domain sensors), and the way this coupling depends on the distance between the sensor and the object's center.
Stresses Created in Ceramic Shells Using Quickcast Models (2018)

Improvements in resins and build styles, coupled with increasing experience, have meant that&#13;\never more metal parts are being produced from stereolithography (SL) models via the investment&#13;\ncasting route. However, despite these advances, it is still not possible for every foundry to directly&#13;\nuse SL models as thermally expendable patterns and gain the same success as achieved with wax&#13;\npatterns.&#13;\nThe central reason behind the inability to investment cast some SL parts' lies in the expansion&#13;\nofthe cured resin. The thermoset plastic material ofthe SL model does not melt during the autoclave&#13;\nprocess and its expansion creates stresses in the ceramic wall that cause the relatively weak shell to&#13;\ncrack.&#13;\nA work programme is in progress at the University ofNottingham to show how, why and&#13;\nwhen these stresses are built up and compare them to the stresses created during the conventional&#13;\nautoclaving ofwax parts. The eventual aim ofthe project is to gain a full understanding ofthe stresses&#13;\ninduced in the models and to develop new build structures that will allow the successful autoclaving&#13;\nand subsequent casting ofstereolithography models.&#13;\nDetails ofthe work programme are outlined in this paper, along with initial results obtained.
Full-Duplex Enabled Mobile Edge Caching: From Distributed to Cooperative Caching (2019)

Mobile edge caching (MEC) has received much attention as a promising technique to overcome the stringent latency and data hungry requirements in the future generation wireless networks. Meanwhile, full-duplex (FD) transmission can potentially double the spectral efficiency by allowing a node to receive and transmit in the same time/frequency block simultaneously. In this paper, we investigate the delivery time performance of full-duplex enabled MEC (FD-MEC) systems, in which the users are served by distributed edge nodes (ENs), which operate in FD mode and are equipped with a limited storage memory. Firstly, we analyse the FD-MEC with different levels of cooperation among the ENs and take into account a realistic model of self-interference cancellation. Secondly, we propose a framework to minimize the system delivery time of FD-MEC under both linear and optimal precoding designs}. Thirdly, to deal with the non-convexity of the formulated problems, two iterative optimization algorithms are proposed based on the inner approximation method, whose convergence is analytically guaranteed. Finally, the effectiveness of the proposed designs are demonstrated via extensive numerical results. {It is shown that the cooperative scheme mitigates inter-user and self interference significantly better than the distributed scheme at an expense of inter-EN cooperation. In addition, we show that minimum mean square error (MMSE)-based precoding design achieves the best performance-complexity trade-off, compared with the zero-forcing and optimal designs.