gebhart/patrepeval huggingface dataset:
ChemInform Abstract: Substituted Metal Carbonyls. Part 5. Convenient Syntheses of Some Group 6 Phosphine and Pyridine Substituted Penta‐ and Tetra‐carbonyls and Isolation of the Singly Bridging 1,2‐Bis(4‐pyridyl)ethylene Dimetal Decacarbonyl Complexes. (1988)

Abstract The use of trimethylamine N‐oxide in decarbonylation reactions is demonstrated with the one‐pot synthesis of the complexes (I)‐(IV).
Dataset of the publication "Cross-sectional study of prevalence of dementia, behavioural symptoms, mobility, pain and other health parameters in nursing homes in Austria and the Czech Republic: results from the DEMDATA project" (2018)

Dataset of the publication Stefanie R. Auer , Margit Höfler, Elisabeth Linsmayer, Anna Beránková, Doris Prieschl, Paulina Ratajczak,<br> Michal Šteffl and Iva Holmerová (2018) "Cross-sectional study of prevalence of dementia, behavioural symptoms, mobility, pain and other health parameters in nursing homes in Austria and the Czech Republic: results from the DEMDATA project"
Slow-Motion Self-Assembly: Access to Intermediates with Heterochiral Peptides to Gain Control over Alignment Media Development (2020)

Understanding the intermediates or transition states in organic reactions has made it possible to develop theories and to synthesize important compounds. In contrast to organic reaction intermediates and even protein folding intermediates, the intermediates of peptide/protein self-assembly are not very well understood. Here we report that the self-assembly kinetics of linear heterochiral peptides are significantly slower than those of the corresponding homochiral peptides, which enables direct microscopic observation of assembly intermediates. By designing racemic or asymmetric heterochiral peptides, we were able to discover unusual mixed helical (<i>MP</i>-helix) and overtwisted intermediates. The convergence of equilibrium morphology between the homochiral and heterochiral peptides enables us to reasonably deduce the unobservable intermediates of rapidly assembling homochiral peptides. By utilizing the discovered information about the assembly intermediates, we were able to develop a functional NMR alignment medium that enables the measurement of residual dipolar couplings (RDCs) in a time-dependent manner. Although much less studied than their cyclic counterparts, the linear form of heterochiral peptides provides a means of obtaining a more in-depth understanding of the self-assembly pathway and of developing sophisticated bottom-up materials.
Free electron lasers driven by linear induction accelerators: High power radiation sources (1989)

The technology of Free Electron Lasers (FELs) and linear induction accelerators (LIAs) is addressed by outlining the following topics: fundamentals of FELs; basic concepts of linear induction accelerators; the Electron Laser Facility (a microwave FEL); PALADIN (an infrared FEL); magnetic switching; IMP; and future directions (relativistic klystrons). This presentation is represented by viewgraphs only.
An efficient encoding and decoding algorithm for tracking circulation of commodity by discretizing information matrix (2016)

Summary In this paper, an efficient encoding and decoding algorithm is developed for tracking circulation of commodity. We take a discrete and optimized approach to construct the encoding and decoding method by using a matrix as an information carrier. This method is more durable against the damage of outer packages and can obtain a high recovery rate of commodity's information. Generally, it is very diffcult to track the original information in the circulation of commodity. We use the optimized encoding method to link the original information of commodity with a database so that the commodity can be pinpointed in the whole circulation. Also, the original information can be restored by an efficient decoding algorithm whenever necessary. The optimized method is designed based on two traditional encoding and decoding methods, and these methods are compared by running certain simulations with a large number of testing data. The results show that the improved and optimized method can obtain a much higher recovery rate of commodity's information and is more durable against the damage of outer packages. Copyright © 2016 John Wiley &amp; Sons, Ltd.
Simulation of partial discharges and implementation of noise elimination techniques (2017)

High Voltage Electrical Equipment such as Power Cables, Transformers, Circuit Breakers, Instrument Transformers, Insulators, Bushings, Generators, Motors, Surge Arrestors and Capacitors are the vital part of any power system distribution & transmission network. These High voltage products are highly prone to failures due to partial discharges, during operation. An impurity or void present in the insulation of an electrical equipment results in localized dielectric breakdown called partial discharges within the insulation. Partial discharge measurement is the most important diagnostic test to locate incipient fault in electrical equipment during service. However, on-line partial discharge measurement at site, are hampered with external and internal disturbances, which decrease the sensitivity of the measurements. The three common types of disturbances which are hampering the partial discharge signals are narrow band interference, broadband noise and pulse-shaped interference. The measurement of exact partial discharge magnitude and correlation of the same with the condition of insulation with respect to location, decides the life expectation of the Electrical equipment. The discrete Wavelet transform (DWT) and Wavelet Packet analysis are found to be powerful signal processing tools to denoise the PD signals. In this paper, the noise elimination through wavelet techniques is carried out on the simulated PD signal using the mathematical model of void in the XLPE power Cable. The imperfections in the insulation, such as voids, are modeled by using the improved ABC Capacitive model. The Partial discharge current pulses developed due to voids are captured in the simulated void model of the cable. Then, these current signals are mixed with white Gaussian noise and DSI signals to simulate the noisy signal. The effectiveness of noise elimination using Wavelet and Wavelet packet denoising methods are analyzed by extracting the PD signals from the noisy signal. The mother wavelet selection based on the minimum entropy criteria and the level dependent hard thresholding method was adopted. The original Partial discharge signals were retrieved with entropy based mother wavelet selection and level dependent hard thresholding method. In both wavelet and wavelet packet methods, wavelet packet is able to reproduce the original signal in a better manner. The same analysis is carried out on one of the laboratory measured PD signal and the effectiveness of the entropy based mother wavelet selection & level dependent hard thresholding is verified.
Vapor-phase growth and characterization of Mo1−xWxS2(0 ≤ x ≤ 1) atomic layers on 2-inch sapphire substrates (2013)

Atomically thin Mo(1-x)W(x)S2 (0 ≤ x ≤ 1) ternary compounds have been grown on 2-inch c-plane sapphire substrates with high uniformity by sulfurizing thin Mo(1-x)W(x) layers that were deposited at room temperature using a co-sputtering technique. Atomic force microscopy (AFM), Raman scattering, and optical absorbance spectroscopy (OAS) studies reveal that the Mo(1-x)W(x)S2 films consist of crystallites of two-to-four monolayers in thickness. X-ray photoelectron spectroscopy (XPS) shows that the core levels of Mo3d and W4f shift to lower binding energies while that of S2p shifts to higher ones with the increase in W compositions, which can be related to the larger electron affinity of W (0.8163 eV) than that of Mo (0.7473 eV). OAS has also shown that the direct bandgap of Mo(1-x)W(x)S2 is tuned from 1.85 to 1.99 eV by increasing x from 0 to 1. Both E(1/2)(g) and A(1g) phonon modes of the Mo(1-x)W(x)S2 films exhibit a two-mode behavior. The bandgap tuning and the two-mode phonon behaviors are typically the same as those recently observed in monolayer Mo(1-x)W(x)S2 obtained by mechanical exfoliation, thus shedding light on the bottom-up growth of large-scale two-dimensional Mo(1-x)W(x)S2 ternary alloys.
Synthesizing equivalent electric circuit for respiration and cardiac signals (2017)

Modeling of the cardiac cycle and respiration signals helps to understand the characterization of these functions and determines any disorders of the heart and lungs function. In this research, Matlab software have been used to synthesize two equivalent electric circuit networks from signals of breathing and non-breathing. The signals are generated from a piezoelectric sensor placed on the chest. Prony toolbox have been used to extract transfer function that represents the signals, then Foster method have been utilized to synthesize the circuit networks. The equivalent circuits included five resonators with an inductance in series in the case of the heart beat signal. At breathing signal, the effect of the lungs added to the previous circuit a capacitor in series with the other components.
Oxygen ion transport in La2NiO4‐based ceramics (1999)

The solid solutions La 2 Ni 1–x Fe x O 4+δ (x = 0.02 and 0.10), La 1.9 Sr 0.1 Ni 1 – x Fe x O 4 + δ (x = 0.02 and 0.10) and La 2 Ni 0.88 Fe 0.02 Cu 0.10 O 4+δ with the tetragonal K 2 NiF 4 -type structure were prepared by a standard ceramic technique. The thermal expansion coefficients of the ceramic materials, calculated from dilatometric data, are in the range (10.5–13.2) × 10 –6 K –1 at 300–1100 K. Oxygen permeation fluxes through dense La 2 NiO 4 + δ -based membranes at 970–1170 K were found to be limited by both surface exchange and bulk ionic transport, whereas the limiting effect of the oxygen interphase exchange increases with decreasing oxygen pressure at the membrane permeate side and with decreasing temperature. Applying porous cermet layers of dispersed platinum and praseodymium oxide onto the membrane surface results in enhanced permeation fluxes. The maximum oxygen permeability was found for the La 2 Ni 0.98 Fe 0.02 O 4+δ and La 2 Ni 0.88 Fe 0.02 Cu 0.10 O 4+δ solid solutions; oxygen permeability data demonstrated that a vacancy diffusion mechanism and oxygen interstitial migration make significant contributions to the total ionic conductivity.
Pulmonary hypertension in systemic lupus (2004)

Pulmonary arterial hypertension (PAH) has devastating consequences in the rheumatic diseases; however, the prevalence in lupus is not well delineated. We searched the University of Toronto lupus database to ascertain the first echocardiogram ordered at their physician's discretion between 1995 and 2002. We reviewed the echocardiogram reports for right ventricular systolic pressure (RVSP), valvular disease, and atrial and ventricular function. The PAH was defined as RVSP > or = 40 mmHg. Patients were divided into three groups: RVSP > or = 40 mmHg, RVSP = 30-39 mmHg and RVSP < 30 mmHg. We analysed potential associations between presence of PAH and lupus including disease activity, organ involvement and anticardiolipin antibodies, both at the time of and any time prior to echocardiography. In total, 129 patients underwent echocardiography. Nine patients' echocardiograms were not obtainable, and three patients were excluded from analysis, as their visit was more than six months from the date of echocardiography. Sixteen patients (14%) had RVSP > or = 40 mmHg, 43 (37%) patients had RVSP of 30-39, and 60 (51%) patients had RVSP < 30 mmHg. There was no statistical difference in disease activity, organ involvement or serology among all three groups. In conclusion, the prevalence of PAH (RVSP > or = 40 mmHg) on first echocardiogram ordered at physician discretion in our cohort was 14%. An RVSP of 30-39 mmHg was found in 37% of patients. Although abnormal, the clinical significance of this finding is unknown. Disease activity, organ involvement and anticardiolipin antibodies were not associated with PAH. Further research is needed to identify the mechanism, response to immunosuppression and impact on quality of life in these patients.
Rapid prototyping by laser cladding (1993)

Rapid prototyping by laser cladding offers the ability to make metal prototype components directly from CAD dimensions. A robotic controlled concentric powder/laser nozzle could fabricate the component one layer at a time. Each layer would have the homogeneity and small grain size characteristic of laser cladding. If the bulk material properties of the component were found to be uniform in all directions, the final prototype would rival that of a cast component. However, the time and cost could be reduced as much as orders of magnitude.
Analysis and Optimization of Thrust Characteristics of Tubular Linear Electromagnetic Launcher for Space-Use (2008)

Release-launch is a fundamental operation in space platform. Not like traditional land-base launcher, space-base launcher is more flexible and more efficient. Tubular linear electromagnetic launcher (TLEML), which provides higher force density, simple structure and no unilateral magnetic force, compared with the flat linear electromagnetic launcher, is more suitable for space platform. It can easily meet the demand such as little volume, light weight and high control precision. This paper analyzes and optimizes the thrust characteristics of tubular linear permanent magnet synchronous motors (TL-PMSM) for electromagnetic launcher, including different topologies, interior PMs (IPM) and surface-mounted PMs (SPM). First, build up the finite element model for the two kinds of TLEML and calculate the magnetic field. Then thrust force fluctuation figures are obtained by finite element analysis considering the pole/arc ratio, the pole pitch and the inner diameter/outer diameter ratio of the stator. The result shows that it can improve the thrust characteristic and decrease the cogging force by optimizing the parameters of the motor.
Growth Regulation of Human Melanocytes: Mitogenic Factors in Extracts of Melanoma, Astrocytoma, and Fibroblast Cell Lines (1985)

Melanocytes derived from fetal or adult skin do not propagate in vitro unless cultured in the presence of factors such as 12-O-tetradecanoylphorbol 13-acetate (TPA). In a search for physiological factors regulating the growth of melanocytes, extracts of various cultured cell types were tested. Factors produced by melanoma and astrocytoma cell lines support continued proliferation of melanocytes in the absence of TPA. WI-38, a fibroblast cell line derived from human embryonic lung, was the most active source of melanocyte growth factors. No melanocyte growth-promoting activity was found in extracts of cultured neuroblastoma, renal cancer, normal keratinocytes, or renal epithelium. Nerve growth factor, epidermal growth factor, melanocyte-stimulating hormone, transforming growth factor-beta, and platelet-derived growth factor did not have growth-promoting activity for melanocytes. The presence of melanocyte growth factors and TPA together resulted in the strongest mitogenic activity for melanocytes, permitting the recovery (at 20 days) of 4 to 20 times as many cells as in growth factor or TPA alone.
Heart failure with preserved ejection fraction (HFpEF): A basic and clinical perspective (2016)

Up to 50% of patients with heart failure have a relatively normal ejection fraction; this is called "heart failure with preserved ejection fraction" or HFpEF. These patients are more likely to be older, female, hypertensive, obese, or to have metabolic syndrome or atrial fibrillation. They suffer substantial mortality and morbidity, but there are currently no treatments available proven to improve outcomes. Abnormal left ventricular diastolic function is thought to be a major feature of HFpEF, and its detection (or the detection of cardiac structural abnormalities that predispose to diastolic dysfunction) is a requirement for positive diagnosis in most diagnostic guidelines. However, noninvasive detection of left ventricular diastolic dysfunction and its distinction from normal cardiovascular aging may be difficult. Clinical assessment of patients during exercise or similar stress can be very valuable. The clinical pathophysiology of HFpEF is heterogeneous and involves not only diastolic dysfunction but also abnormalities in heart rate, heart rhythm, microvascular resistance, aortic stiffness, and ventricular-vascular coupling, resulting in impaired systolic and diastolic reserve capacity upon exercise. The mechanisms underlying these abnormalities are poorly understood. The phenotype bears similarity to normal cardiovascular aging and could involve similar abnormalities in inflammation and oxidative stress levels. Abnormalities in nitric oxide/cyclic guanosine monophosphate (cGMP) signaling also possibly contribute. To develop effective therapies for HFpEF, more rigorous clinical phenotyping and classification are probably needed to facilitate a better understanding of the disease pathophysiology and the development of more personalized treatments.
Device for facilitating lesion localization in breast biopsies. (1991)

To allow easier radiographic localization and pathologic correlation of occult lesions in breast biopsies, a specimen holder composed of two Plexiglas plates was devised. The specimen is compressed between the plates and radiographed. The lesion can be localized by inserting a 22-gauge needle through the appropriate hole in the bottom plate. Holes are centered within alpha numerically labeled squares on a grid created by grooves on the plates. The grooves allow the pathologist to excise only the tissue with the lesion.
Antimicrobial Resistance of Clinically Important Bacteria Isolated from 12 Hospitals in Korea in 2005 and 2006 (2007)

Medicine, Seoul; Keonyang University Medical College, Daejeon; Cheju Hanmaeum Hospital, Jeju; Sooncheonhyang University College of Medicine, Gumi; Pochon CHA University College of Medicine, Seongnam; The Catholic University of Korea College of Medicine, Seoul; Kosin University College of Medicine, Busan; Seoul National University College of Medicine, Seoul; Ajou University College of Medicine, Suwon; Yonsei University Wonju College of Medicine, Wonju; Chonnam National Univeristy Medical School, Gwangju; Hanyang University College of Medicine, Seoul; Food Microbiology Division, Center for Food Safety Evaluation,
The effects of chrysin, a Passiflora incarnata extract, on natural killer cell activity in male Sprague-Dawley rats undergoing abdominal surgery. (2008)

Chrysin, a passion flower extract, may be beneficial because of its potential to attenuate surgical suppression of natural killer (NK) cell activity. We divided 37 male Sprague-Dawley rats into 3 treatment groups: (1) rats undergoing abdominal surgery and administered isoflurane and a 5% solution of dimethyl sulfoxide in saline (vehicle), (2) rats undergoing abdominal surgery and administered isoflurane and chrysin solubilized in 5% dimethyl sulfoxide, and (3) rats not undergoing surgery but administered isoflurane and chrysin. Natural killer cell activity was measured before and 24 hours after the experiment. Analysis of covariance, with preoperative NK cell activity as the covariate, was used to compare differences in NK cell activity among groups. The Scheffe procedure was used to make post hoc comparisons. Analysis revealed a significant difference (P = .006) such that group 2 had significantly less NK cell suppression compared with groups 1 and 3. These findings suggest that chrysin may attenuate surgical suppression of NK cell activity, thereby minimizing metastatic spread of cancer.
Geometric inpainting of 3D structures (2015)

In this paper, we address the problem of inpainting in 3D digital models with large holes. The missing region inference problem is solved with a dictionary learning-based method that harnesses a geometric prior derived from a single self-similar structure and online depth databases. The underlying surface is recovered by adaptively propagating local 3D surface smoothness from around the boundary of the hole by appropriately harvesting the cue provided by the geometric prior. We showcase the relevance of our method in the archaeological domain which warrants `filling-in' missing information in damaged heritage sites. The performance of our method is demonstrated on holes with different complexities and sizes on synthetic as well as real examples.
Robust Digital Watermark Resistant to RST Attacks Based on DWT (2009)

Aiming at the problem that existed digital image watermark method lacks of enough robust to geometrical transform attacks, this paper proposes a novel digital watermark method based on Digital Wavelet Transform(DWT). The DWT is utilized to transform the image, and the digital watermark is embedded into the low frequency subband. The watermark detection is implemented by determine images' invariant moments. Since these moments are invariant to rotation, scaling and translation transforms, this method is robust to geometrical transform attacks. Simulation experimental results show this method is robust to adding noise, filtering, JPEG compression attacks and RST transforms.
Effects of Residual Gas Exposure on the Field Emission Properties of ZnO Nanorods (2011)

We compare the effects of O2, CO2, N2, H2, and Ar residual gas exposure on the field emission (FE) properties of ZnO nanorods. In contrast to carbon nanotubes and Mo metal microtips, we find that O2 and CO2 exposures do not significantly degrade the FE properties of ZnO nanorods. However, N2 exposure significantly degrades the FE properties. We propose that this could be due to the dissociation of N2 into atomic nitrogen species and the reaction of such species with ZnO. H2 and Ar exposures are not observed to significantly degrade the FE properties.
Reckoning Legislative Compliances with Service Oriented Architecture A Proposed Approach (2005)

Recent accounting scandals involving firms such as such as Enron, Worldcom, Tyco etc. have resulted in the emergence of stringent regulations aimed at safeguarding the interest of enterprise stakeholders. Important regulations such as Sarbanes-Oxley Act (SOX), the US PATRIOT act in US and the International Accounting Standards (IAS) regulation in Europe have diverse and far reaching effects. Organizations are mandated to comply with these regulations by producing certain documents and reports during the audit. This calls for appropriate extensible document lifecycle management solutions involving integration and reconciliation of stored data from heterogeneous sources with quick detailing. This is because these regulations demand easy accessibility of data. While point solutions to document life cycle management exist, they are not cost effective. The paradigm of service oriented architecture (SOA) which emphasizes software development based on well abstracted services has presented application development and adaptation a new dimension. SOA enables flexible deployment of shared reusable compliance services thereby yielding malleable and cost effective compliance solutions. In this paper, we provide a logical SOA based approach for achieving compliance in enterprises and illustrate this approach for a typical compliance need