gebhart/patrepeval huggingface dataset:
Bounds for the zeros of polynomials (2004)

Let $$P(z) = \sum\limits_{j = 0}^n {a_j z^j } $$ be a polynomial of degree n. In this paper we prove a more general result which interalia improves upon the bounds of a class of polynomials. We also prove a result which includes some extensions and generalizations of Eneström-Kakeya theorem.
Ubiquinol and a Coenzyme Q Reducing System Protect Platelet Mitochondrial Function of Transfusional Buffy Coats from Oxidative Stress (2002)

The conditions under which Coenzyme Q (CoQ) may protect platelet mitochondrial function of transfusional buffy coats from aging and from induced oxidative stress were investigated. The Pasteur effect, i.e. the enhancement of lactate production after inhibition of mitochondrial respiratory chain, was exploited as a marker of mitochondrial function as it allows to calculate the ratio of mitochondrial ATP to glycolytic ATP. Reduced CoQ10 improves platelet mitochondrial function of transfusional buffy coats and protects the cells from induced oxidative stress. Oxidized CoQ is usually less effective, despite the presence, shown for the first time in this study, of quinone reductase activities in the platelet plasma membranes. The addition of a CoQ reducing system to platelets is effective in enhancing the protection of platelet mitochondrial function from the oxidative stress. The results support on one hand a possibility of protection of mitochondrial function in aging by exogenous CoQ intake, on the other a possible application in protection of transfusional buffy coats from storage conditions and oxidative deterioration.
The effect of two-dimensinal topography on superficial thermal gradients (1969)

Heat flow through a plane slope: exact solution.______________________ Heat flow behind the brink and in front of the toe_________________ Heat flow on the sloping surfaee_______________________________ Heat flow through a plane slopa: approximate solution.______________ Comparison of the exact and approximate solutions.___________________ The problem of the general two-dimensional slope-________________ Heat flux on a horizontal surface between two plane slopes___________ Case 1, plane valley__________________________________________ Case 2, plane ridge____________________________________________ Case 3, plane bench__________________________________________ Geometric bracketing-_____________________________________________ Equivalent slopes________________________________________________
PM fiber lasers at 589nm: a 20W transportable laser system for LGS return flux studies (2010)

In this paper we present the rationale and design of a compact, transportable, modular Laser Guide Star Unit, comprising a 589nm laser mounted on a 300mm launch telescope, to be used in future experiments probing the mesospheric sodium properties and to validate existing LGS return flux simulations. The 20W CW 589nm Laser is based on the ESO developed concept of 589nm lasers based on Raman Fiber Amplifiers, refined and assembled together with industry. It has the same laser architecture as the laser which will be used for the VLT Adaptive Optics Facility. We have added to the 20W CW laser system the capabilities of changing output polarization, D2b emission levels, power level, linewidth and to operate as pulsed laser with amplitude modulation. We focus in this paper on the laser description and test results.
Comparison of Doppler echocardiography and right heart catheterization to assess pulmonary hypertension in systemic sclerosis (1997)

Pulmonary hypertension (PHT) is an important complication of systemic sclerosis (SSc). Echocardiography can be used to detect PHT and, with Doppler echocardiography, the pulmonary arterial systolic pressure (PASP) can often be estimated. We have undertaken a study to compare echocardiographic assessment with right heart catheterization (RHC) in 33 SSc patients in whom clinical assessment [including ECG, chest X-ray, lung function tests and high-resolution computed tomography (HRCT) had raised strong suspicion of PHT. The mean (S.D.) interval between echocardiography and RHC was 1.8 (2.3) months. Twenty-one patients (64%) had PHT (PASP > or = 30 mmHg) on RHC, and echocardiography correctly identified 19 of these (sensitivity 90%). Of the 12 patients without PHT on RHC, nine were correctly identified by echocardiography (specificity 75%). The five incorrectly classified patients all had PASP in the borderline normal/abnormal range. The presence of tricuspid regurgitation allowed Doppler measurement of PASP in 20 patients (61%) and this correlated significantly with RHC values (r = 0.83, P < 0.001). We conclude that echocardiography is a reliable method for detecting PHT and it may be particularly useful for the early detection and monitoring of this potentially fatal complication in SSc.
A practical high-latchup immunity design methodology for internal circuits in the standard cell-based CMOS/BiCMOS LSIs (1993)

A practical high-latchup-immunity design methodology is proposed for high-density internal circuits in standard cell-based CMOS/BiCMOS LSIs. Both locally injected trigger current and uniformly generated trigger current were measured using a new test structure. Focusing on the difference in the well shunt resistance between local and uniform trigger currents, a practical latchup-free guideline based on an analytical model for uniformly generated trigger current in the well is presented for the periodic placement of well contacts dependent on parasitic device parameters, on generated trigger current level, and a layout pattern size.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Towards a Fraud-Prevention Framework for Software Defined Radio Mobile Devices (2005)

The superior reconfigurability of software defined radio mobile devices has made it the most promising technology on the wireless network and in the communication industry. Despite several advantages, there are still a lot to discuss regarding security, for instance, the radio configuration data download, storage and installation, user's privacy, and cloning. The objective of this paper is to present a fraud-prevention framework for software defined radio mobile devices that enhances overall security through the use of new pieces of hardware, modules, and protocols. The framework offers security monitoring against malicious attacks and viruses, protects sensitive information, creates and protects an identity for the system, employs a secure protocol for radio configuration download, and finally, establishes an anticloning scheme, which besides guaranteeing that no units can be cloned over the air, also elevates the level of difficulty to clone units if the attacker has physical access to the mobile device. Even if cloned units exist, the anticloning scheme is able to identify and deny services to those units. Preliminary experiments and proofs that analyze the correctness of the fraud-prevention framework are also presented.
Aircraft Icing Caused by Large Supercooled Droplets (1989)

The characteristic of aircraft icing environments containing large supercooled droplets are described. Substantial loss in rate of climb capability can result from less than 10 minutes duration in conditions where fewer than 0.1–1 cm−3 of droplets 30–400 μm in diameter are present. These conditions are found to have a greater effect than those where the liquid water was confined to smaller (generally less than about 30 μm diameter) droplets. Measurements from research aircraft flying in regions containing these large droplets, located in the Sierra Nevada in California, near Amarillo, Texas, and in northern Arizona are presented. Temperatures ranged from −5.5° to −9.4°C in 13 regions. The sizes of the droplets responsible for performance loss varied with each encounter but ranged from tens to hundreds of micrometers, and these were accompanied by few to no ice crystals. Two case studies are examined in further detail, including the weather conditions present at the time of the encounters. The meteorological situations leading to formation of these large droplets provide suitable environments for coalescence growth, or for prolonged depositional growth, and include weak atmospheric instability, warm (temperatures greater than about −15°C) cloud tops, and sufficient moisture.
14.1: <i>Invited Paper</i> : Fabrication of Ballistic Electron Surface‐Emitting Display on Glass Substrate (2001)

Abstract It is demonstrated that the Ballistic electron Surface‐emitting Display (BSD) can be fabricated onto both quartz and TFT Glass substrates and performed excellent characteristics. We also demonstrate the 2.6 inches diagonal 84(RGB)×63 pixels multicolour flat panel display on a quartz glass substrate. BSD promise the possible application to the flat panel display in near future.
Assessment and modeling of aging in electro-absorption distributed Bragg reflector lasers (2001)

We describe a protocol for assessing aging in the tuning section of a multisection distributed Bragg reflector laser integrated with amplifier, tap coupler, and electro-absorption modulator. Under accelerated aging, we observe a transient change of nonradiative recombination followed by saturation. A simple model of aging of the Bragg section of the tunable lasers enables prediction of changes in each wavelength channel using information obtained from a single channel only.
Adaptive Optimization of IEEE 802.11 DCF Based on Bayesian Estimation of the Number of Competing Terminals (2006)

The performance of the distributed coordination function (DCF) of the IEEE 802.11 protocol has been shown to heavily depend on the number of terminals accessing the distributed medium. The DCF uses a carrier sense multiple access scheme with collision avoidance (CSMA/CA), where the backoff parameters are fixed and determined by the standard. While those parameters were chosen to provide a good protocol performance, they fail to provide an optimum utilization of the channel in many scenarios. In particular, under heavy load scenarios, the utilization of the medium can drop tenfold. Most of the optimization mechanisms proposed in the literature are based on adapting the DCF backoff parameters to the estimate of the number of competing terminals in the network. However, existing estimation algorithms are either inaccurate or too complex. In this paper, we propose an enhanced version of the IEEE 802.11 DCF that employs an adaptive estimator of the number of competing terminals based on sequential Monte Carlo methods. The algorithm uses a Bayesian approach, optimizing the backoff parameters of the DCF based on the predictive distribution of the number of competing terminals. We show that our algorithm is simple yet highly accurate even at small time scales. We implement our proposed new DCF in the ns-2 simulator and show that it outperforms existing methods. We also show that its accuracy can be used to improve the results of the protocol even when the terminals are not in saturation mode. Moreover, we show that there exists a Nash equilibrium strategy that prevents rogue terminals from changing their parameters for their own benefit, making the algorithm safely applicable in a complete distributed fashion
In vitro and in vivo antibacterial activities of KB-5246, a new tetracyclic quinolone (1989)

The in vitro and in vivo antibacterial activities of KB-5246, a tetracyclic quinolone, were compared with those of ciprofloxacin, ofloxacin, and norfloxacin. KB-5246 demonstrated a broad antibacterial spectrum. The in vitro activity of KB-5246 against gram-negative bacteria was higher than that of ofloxacin or norfloxacin and was comparable to that of ciprofloxacin. KB-5246 demonstrated the greatest activity against gram-positive bacteria of the four agents tested. Among Streptococcus pyogenes strains resistant to 1.56 micrograms of norfloxacin per ml, there were 26 strains susceptible to 0.2 micrograms of KB-5246 per ml. Similarly, among the Staphylococcus aureus and Staphylococcus epidermidis strains resistant to 3.13 micrograms of norfloxacin per ml, there were 23 S. aureus and 11 S. epidermidis strains susceptible to 0.39 micrograms of KB-5246 per ml. Among the Streptococcus pneumoniae and Enterococcus faecalis strains resistant to 12.5 micrograms of norfloxacin per ml, there were 5 S. pneumoniae and 10 E. faecalis strains susceptible to 0.39 micrograms of KB-5246 per ml. KB-5246 had bactericidal activity at the MIC. KB-5246 demonstrated excellent antibacterial activity against various systemic infections in mice. After oral administration, KB-5246 was as active as ofloxacin and about two times more active than norfloxacin.
SIGNALING FUNCTIONS OF THE ADHESION MOLECULE L-SELECTIN (1997)

Brenner, B.*; Gulbins, E.+; Coggeshall, K. M.#; Lang, F.+; Linderkamp, O.* Author Information
Seismic response analysis of bridges isolated with friction pendulum bearings (1998)

A systematic method is developed for the dynamic analysis of the structures with sliding isolation which is a highly non-linear dynamic problem. According to the proposed method, a unified motion equation can be adapted for both stick and slip modes of the system. Unlike the traditional methods by which the integration interval has to be chopped into infinitesimal pieces during the transition of sliding and non-sliding modes, the integration interval remains constant throughout the whole process of the dynamic analysis by the proposed method so that accuracy and efficiency in the analysis of the non-linear system can be enhanced to a large extent. Moreover, the proposed method is general enough to be adapted for the analysis of the structures with multiple sliding isolators undergoing independent motion conditions simultaneously. The superiority of the proposed method for the analysis of sliding supported structures is verified by a three-span continuous bridge subjected to harmonic motions and real earthquakes. In addition, the side effect of excessive displacement of the superstructure induced by the sliding isolation is eliminated by replacing one of the roller supports on the abutments with hinge support. Therefore, both reductions in the forces of the substructure and the displacements of the superstructure can be achieved simultaneously. © 1998 John Wiley & Sons, Ltd.
Overexpression of <i>HvHGGT</i> Enhances Tocotrienol Levels and Antioxidant Activity in Barley (2017)

Vitamin E is a potent lipid-soluble antioxidant and essential nutrient for human health. Tocotrienols are the major form of vitamin E in seeds of most monocots. It has been known that homogentisate geranylgeranyl transferase (HGGT) catalyzes the committed step of tocotrienol biosynthesis. In the present study, we generated transgenic barley overexpressing HvHGGT under endogenous D-Hordein promoter (proHor). Overexpression of HvHGGT increased seed size and seed weight in transgenic barley. Notably, total tocotrienol content increased by 10-15% in seeds of transgenic lines, due to the increased levels of δ-, β-, and γ-tocotrienol, but not α-tocotrienol. Total tocopherol content decreased by 14-18% in transgenic lines, compared to wild type. The antioxidant activity of seeds was determined by using 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2'-azinobis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS), and lipid peroxidation assays. Compared to wild type, radical scavenging activity of seed extracts was enhanced by 17-18% in transgenic lines. Meanwhile, the lipid peroxidation level was decreased by about 20% in transgenic barley seeds. Taken together, overexpression of HvHGGT enhanced the tocotrienol levels and antioxidant capacity in barley seeds.
High spatial resolution diffusion weighted imaging on clinical 3 T MRI scanners using multislab spiral acquisitions (2016)

A diffusion weighted imaging (DWI) approach that is signal-to-noise ratio (SNR) efficient and can be applied to achieve sub-mm resolutions on clinical 3 T systems was developed. The sequence combined a multislab, multishot pulsed gradient spin echo diffusion scheme with spiral readouts for imaging data and navigators. Long data readouts were used to keep the number of shots, and hence total imaging time, for the three-dimensional acquisition short. Image quality was maintained by incorporating a field-inhomogeneity-corrected image reconstruction to remove distortions associated with long data readouts. Additionally, multiple shots were required for the high-resolution images, necessitating motion induced phase correction through the use of efficiently integrated navigator data. The proposed approach is compared with two-dimensional (2-D) acquisitions that use either a spiral or a typical echo-planar imaging (EPI) acquisition to demonstrate the improved SNR efficiency. The proposed technique provided 71% higher SNR efficiency than the standard 2-D EPI approach. The adaptability of the technique to achieve high spatial resolutions is demonstrated by acquiring diffusion tensor imaging data sets with isotropic resolutions of 1.25 and 0.8 mm. The proposed approach allows for SNR-efficient sub-mm acquisitions of DWI data on clinical 3 T systems.
Homeviews (2007)

This paper presents HomeViews, a peer-to-peer middleware system for building personal data management applications. HomeViews provides abstractions and services for data organization and distributed data sharing. The key innovation in HomeViews is the integration of three concepts: views and queries from databases, a capability-based protection model from operating systems, and a peer-to-peer distributed architecture. Using HomeViews, applications can (1)create views to organize files into dynamic collections, (2) share these views in a protected way across the Internet through simple exchange of capabilities, and (3) transparently integrate remote views and data into a user's local organizational structures. HomeViews operates in a purely peer-to-peer fashion, without the need for account administration or centralized data and protection management inherent in typical data-sharing systems.
Towed streamer data bandwidth – A ghost story (2003)

The bandwidth of towed streamer data is first and foremost a function of how deep the source(s) and streamer(s) are towed in the water column. The delay time of the sea-surface reflections from the sources and at the receivers (i.e., the ghosts), relative to the primary pulses, determines the fundamental pass-band of the recorded data. Current streamer technology "only" provides the means for efficiently exploiting the ghost responses to increase the high frequency content of data by towing streamers at shallower depths. A set of streamer depth test data was recently acquired with solid streamer cables in the Gulf of Mexico. These data show excellent correlations between modeled and measured bandwidth responses for streamers at different depths. Further to that, the enhanced signal-to-noise and streamer depth control achievable with solid streamer technology allows for a more cost effective means of exploiting the potential increase in bandwidth at shallow tow depths compared to fluid filled streamers.
Endocrine and metabolic manifestations of cancer. (1972)

all miners die.The only relevant issue is whether there are many miners in the area with pneumoconiosis who are not known to the Pneumoconiosis Medi- cal Panel."We accept that the Pneumoconiosis Medical Panel will be aware of the majority of miners with pneumoconiosis, but this is not the only relevant issue.The authors seem still not to appreciate that cases included in an unselected postmortem series are sampled from the general population at rates proportional to their risks of dying.If disability in life increases the risk of
The sequence of the 3′ non-coding region of the hexon mRNA discloses a novel adenovirus gene (1981)

We report the sequence of a 1164 nucleotide long DNA segment, located between map positions 59.5 and 62.8 on the adenovirus type 2 genome. The sequence comprises the 701 nucleotides long 3' non-coding region of the hexon mRNA as well as several important processing signals. The sequence revealed unexpectedly that the 3' non-coding region of the hexon mRNA contains a 609 nucleotide long uninterrupted translational reading frame following a potential initiator AUG. A late 14S mRNA, corresponding to the open reading frame, could be identified by S1 nuclease mapping and electronmicroscopy. The mRNA shares a poly(A) addition site with the hexon and pVI mRNAs, and carries a leader sequence which is related, and probably identical, to the tripartite leader, found in late adenovirus mRNAs. The junction between the leader and the body of this novel mRNA is located within the coding part of the hexon gene.
Section B: Airway infections (2006)

The title of this chapter reflects the problems a physician faces concerning the diagnosis and management of lower respiratory tract infections (LRTIs) in daily practice. A patient presents with symptoms such as coughing and not with a sign on his forehead stating ‘acute bronchitis’, ‘pneumonia’ or ‘exacerbation of undetected COPD’. Therefore, as the starting-point, this chapter will take acute coughing complaints. Acute cough can be caused by both viral and bacterial LRTI, but, less frequently, also by asthma or COPD not yet detected, by pulmonary embolism or cardiac failure. Before a physician can state the diagnosis ‘acute bronchitis’, he will have to exclude some of these serious conditions. In this chapter, first the main diagnostic problems concerning out-patients with an acute cough will be discussed. Then the management and the prognosis of the most frequent LRTI, acute bronchitis, will be elaborated.
Maximum likelihood clock and carrier recovery in a direct sequence spread spectrum communication system (2003)

Clock and carrier recovery are very critical in high speed digital wireless communication for achieving high data rate with low packet error rate. In this paper, we propose a linear estimator for both clock and carrier recovery in a direct sequence spread spectrum (DSSS) communication system and show that this is also the maximum likelihood (ML) estimator. We present simulation results to illustrate the convergence of the estimator under different multipath channel conditions.
Speech habilitation of hard of hearing adolescents using electropalatography and ultrasound as evaluated by trained listeners (2003)

Four adolescents with moderate to severe sensorineural hearing losses and moderately unintelligible speech participated in a 14-week speech therapy study using two dynamic visual feedback technologies, electropalatography and ultrasound imaging. Electropalatography provides information about tongue-hard palate contact points. Ultrasound displays images of tongue shape and movement in two dimensions from the tip to the root. Treatment targets for all participants included a sibilant place contrast (/s/ versus /[symbol: see text]/), liquids /l/ and /[symbol: see text]/, and the tense-lax vowel contrast with the high vowels. Trained listener evaluations of pre- and post-treatment transcripts are reported in this paper. Significant improvements in speech production were noted across students and targets. Treatment targets improved significantly more than non-treatment test targets overall. Students showed greatest gains on consonants that were absent or marginal in their speech pre-treatment. No particular advantage of one technology over the other was evident in this sample.
Comparative study of the outcome of induction of labor using 25 µg and 50 µg of vaginal misoprostol (2012)

The two dose regimens were both effective in induction of labor, but 50 µg dose regimen resulted in significantly shorter duration of labor but with higher rate of labor complications than the 25 µg dose regimen.