gebhart/patrepeval huggingface dataset:
Vibration of Pedestrian Overpass (1992)

The levels of vibration induced by pedestrian traffic on a pedestrian overpass with a 43.3‐m (142‐ft) main span are found to be perceptible to its users. The maximum root‐mean‐square (RMS) acceleration measured in the field exceeds the acceptable level of vibration recommended by the American National Standards Institute (ANSI). Three structural modification schemes, proposed to alleviate the vibration serviceability problem, are analyzed and compared. The comparison is based on the acceleration response to pedestrian loading represented by a pulsating load traveling across the bridge span. It is found that adding viscoelastic structural dampers is the more efficient and preferable scheme of modification for reducing the pedestrian‐induced vibrations.
Pulsed Photonuclear Assessment (PPA) Technique: CY-05 Project Summary Report (2005)

Idaho National Laboratory, along with Idaho State University’s Idaho Accelerator Center and Los Alamos National Laboratory, is developing an electron accelerator-based, photonuclear inspection technology, called the Pulsed Photonuclear Assessment (PPA) system, for the detection of nuclear material concealed within air-, rail-, and, primarily, maritime-cargo transportation containers. This report summarizes the advances and progress of the system’s development in 2005. The contents of this report include an overview of the prototype inspection system, selected Receiver-Operator-Characteristic curves for system detection performance characterization, a description of the approach used to integrate the three major detection components of the PPA inspection system, highlights of the gray-scale density mapping technique being used for significant shield material detection, and higher electron beam energy detection results to support an evaluation for an optimal interrogating beam energy. This project is supported by the Department of Homeland Security Office of Research and Development and, more recently, the Domestic Nuclear Detection Office.
Beam scanning with coupled VCOs (2002)

An eight element beam scanning array using strongly coupled voltage controlled oscillators (VCOs) is described. A constant, progressive phase shift between elements can be synthesized by adjusting the natural frequencies of the end elements [6]. The VCOs in the array are used to implement this frequency detuning. Measured radiation patterns indicate continuous scanning from -15/spl deg/ to +30/spl deg/ off broadside with an effective radiated power (ERP) of 8.5 W at 8.4 GHz.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
EFFECT OF SOFT SEGMENT CHAIN LENGTH ON TAILORING THE PROPERTIES OF ISOCYANATE TERMINATED POLYURETHANE PREPOLYMER, A BASE MATERIAL FOR POLYURETHANE BANDAGE” (2013)

Isocyanate terminated polyurethane prepolymer, a base material for water curable polyurethane bandage was prepared from diphenylmethane diisocyanate and poly (propylene oxide) glycol. In polyurethanes, the diisocyanate act as hard segment and provides dimensional stability, whereas the polyol which forms the soft segment gives elastomeric character. Due to its segmented structure, polyurethane's with a wide range of physico-mechanical properties can be obtained by varying its monomers types and content. In this paper, the effect of different soft segment length on influencing the structure property relationship of polyurethane prepolymer was studied. The soft segment length was varied by using poly (propylene oxide) glycol having different molecular weight and also by blending two polyols having similar chemical composition but of different molecular weight. The formation of the prepolymer was investigated by Fourier transform infrared spectroscopy (FTIR). The results reveal that with increasing soft segment length, the weight average molecular weight and storage time of the prepolymer increases, whereas the Brookfield viscosity decreases due to higher content of soft segment. The curing time was found higher in prepolymer having longer soft segments due to lower isocyanate content. With increasing molecular weight of the soft segment, the phase separation between the hard and soft segment increases due to which the prepolymer produce low T g . The tensile strength of the polyurethane film decreases whereas percent elongation increases with increase in soft segment length. The findings of the study will be beneficial for understanding the role played by soft segment length on tailoring the structure and ultimately the properties of isocyanate terminated polyurethane prepolymer.
Oligo(ethylene glycol)-Spacered Siloxane Redox Polymers: Highly Diffusive Media for Electrochemical Redox Catalysis (1995)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOligo(ethylene glycol)-Spacered Siloxane Redox Polymers: Highly Diffusive Media for Electrochemical Redox CatalysisAndreas Merz and Harald BachmannCite this: J. Am. Chem. Soc. 1995, 117, 3, 901–908Publication Date (Print):January 1, 1995Publication History Published online1 May 2002Published inissue 1 January 1995https://pubs.acs.org/doi/10.1021/ja00108a006https://doi.org/10.1021/ja00108a006research-articleACS PublicationsRequest reuse permissionsArticle Views232Altmetric-Citations18LEARN 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
A system for recognizing a large class of engineering drawings (2002)

We present a complete system for recognizing a large class of symbolic engineering drawings that includes flowcharts, chemical plant diagrams, and logic & electrical circuits. The output of the system, a netlist identifying the symbol types and interconnections, may be used for design verification or as a compact portable representation of the drawing. The automatic recognition task is done in two stages: (1) domain-independent rules segment symbols from connection lines in the preprocessed drawing image and (2) an understanding subsystem makes use of a set of domain-specific matchers to classify symbols and correct errors automatically. A graphical user interface is provided to correct residual errors interactively. The system has been tested on a large database of printed images drawn from four different domains.
Effluent CA 125 Concentration in Chronic Peritoneal Dialysis Patients: Influence of PD Duration, Peritoneal Transport and PD Regimen (2003)

In terms of the integrity of the peritoneal membrane in peritoneal dialysis (PD), the peritoneal mesothelial cells play a pivotal role since its monolayer constitutes the first line of the peritoneal membrane. Cancer antigen 125 (CA 125) is released by peritoneal mesothelial cells and correlates with the mesothelial cell mass in PD. Since its effluent concentration is easy to determine in chronic PD patients, CA 125 serves as an in vivo marker of biocompatibility. We performed a cross-sectional study to investigate the relation between PD duration, peritoneal transport and the PD regimen (CAPD/CCPD) on effluent CA 125 concentration in 22 chronic PD patients. We compared long-term (>6 months) with short-term PD treatment, patients with high small solute transport properties (MTAC >11 ml/min, d/p ratio of creatinine >0.72) to patients with low small solute transport and CAPD with APD patients. A peritoneal equilibration test was performed with 1.36% glucose. Dialysate/plasma (D/P) ratio and mass transfer area coefficient (MTAC) of creatinine were calculated and the 4-hour effluent concentration of CA 125 was determined. CA 125 tended to be lower in the long-term PD patients and also in APD patients, but statistical significance was missing. Effluent CA 125 was significantly increased in patients with an MTAC of creatinine >11 ml/min (40.2 +/- 11.2 vs. 20.7 +/- 1.2 U/ml) and in patients with a d/p ratio of creatinine >0.72 (48.2 +/- 11.0 vs. 21.6 +/- 1.6 U/ml). CA 125 and the d/p ratio of creatinine were positively correlated (r = 0.68). The positive correlation of CA 125 with peritoneal small solute transport especially in the early phase of PD treatment indicates an initial correlation of the mesothelial cell mass with the peritoneal surface area. A direct relation between the CA 125 concentration and peritoneal transport is unlikely. In our study the CA 125 effluent concentration tended to be lower in long-term PD patients and also in APD patients, possibly indicating a cell depletory influence of the conventional PD fluid.
Optimal control with limited controls (2006)

We consider a linear discrete-time optimal control problem where the control is limited in terms of the number of times it can be applied. We assume an additive quadratic performance criterion that does not penalize the control directly, and show that for a scalar plant driven by an independent additive Gaussian noise the optimal control is piecewise linear based on some offline computed thresholds on the optimal estimate of the plant state which can be generated by a Kalman filter
Cognitive Radios With Multiple Antennas Exploiting Spatial Opportunities (2010)

In this correspondence, the achievable rates of the so called “multiple-input multiple-output interference channel,” exploited by a couple of single antenna primary terminals and two antenna cognitive radios under specific interference constraints, are analyzed. In particular, by assuming perfect channel state information at the cognitive terminals, a closed form expression for a linear precoding and linear reception scheme, which guarantees to meet the achievable rates and no mutual interference between primary and cognitive terminals, is obtained. Numerical results regarding the effects of different fading channels and of an imperfect knowledge of the channel are provided to evaluate the performances of the proposed scheme in real environments.
NUCLEAR MAGNETIC RESONANCE SPECTRA OF SOME MODEL INDOLINE DERIVATIVES (1960)

not available
Cooperative Layered Video Multicast Using Randomized Distributed Space Time Codes (2011)

With the increased popularity of mobile multimedia services, efficient and robust video multicast strategies are of critical importance. Cooperative communications has been shown to improve the robustness and the data rates for point-to-point transmission. In this paper, a two-hop cooperative transmission scheme for multicast in infrastructure-based networks is used, where multiple relays forward the data simultaneously using randomized distributed space time codes (RDSTC). This randomized cooperative transmission is further integrated with layered video coding and packet level forward error correction (FEC) to enable efficient and robust video multicast. Three different schemes are proposed to find the system operating parameters based on the availability of the channel information at the source station: RDSTC with full channel information, RDSTC with limited channel information, and RDSTC with node count. The performance of these three schemes are compared with rate adaptive direct transmission and conventional multicast that does not use rate adaptation. The results show that while rate-adaptive direct transmission provides better video quality than conventional multicast, all three proposed randomized cooperative schemes outperform both strategies significantly as long as the network has enough nodes. Furthermore, the performance gap between RDSTC with full channel information and RDSTC with limited channel information or node count is relatively small, indicating the robustness of the proposed cooperative multicast system using RDSTC.
Low-pass interference filters for submillimeter astronomy (1980)

Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text S. E. Whitcomb and Jocelyn Keene, "Low-pass interference filters for submillimeter astronomy," Appl. Opt. 19, 197-198 (1980) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Foreign Language Requirements for the A.B. Degree (1930)

Author's summary.— This paper surveys the present language requirements of 100 representative collegiate institutions, the results being presented with respect to four main geographical divisions of the United States. A purely fact-finding report without recommendations.
Alternative mRNA splicing creates transcripts encoding soluble proteins from most <i>LILR</i> genes (2009)

Leucocyte Ig-like receptors (LILR) are a family of innate immune receptors expressed on myeloid and lymphoid cells that influence adaptive immune responses. We identified a common mechanism of alternative mRNA splicing, which generates transcripts that encode soluble protein isoforms of the majority of human LILR. These alternative splice variants lack transmembrane and cytoplasmic encoding regions, due to the transcription of a cryptic stop codon present in an intron 5' of the transmembrane encoding exon. The alternative LILR transcripts were detected in cell types that express their membrane-associated isoforms. Expression of the alternative LILRB1 transcript in transfected cells resulted in the release of a soluble approximately 65 Kd LILRB1 protein into culture supernatants. Soluble LILRB1 protein was also detected in the culture supernatants of monocyte-derived DC. In vitro assays suggested that soluble LILRB1 could block the interaction between membrane-associated LILRB1 and HLA-class I. Soluble LILRB1 may act as a dominant negative regulator of HLA-class I-mediated LILRB1 inhibition. Soluble isoforms of the other LILR may function in a comparable way.
Studies on 4, 4' -Dihydroxydiphenyl Methane (1972)

Chemistry Department, Faculty of Science, M.S. University of Baroda, Baroda-2. <em>Manuscript received 19 August 1971, accepted for publication, 7 February 1972</em> 4,4'-Dihyd-roxydiphenyl methane with ethyl acetoacetate gave bi(4-methyl-6-coumarinyl1 methane. The benzoyl derivative of 3,3'-diacetyl-4,4'-dihydroxy-diphenyl methane gave methylene his (1$-diketone) on Baker-Venkataraman transformation which was cyclized to hi (6-flavonol)methane. The above hydroxy acetyl derivative gave bi(4-hydroxy-6- cmunarinyl) methane with ethyl carbonate. Bi(3-methyl-5-benzo-uranyl) methane is also synthesized from the diacetyl derivative. 4,4'-Didihydroxydipbenyl methane did not give a pure product on chloromethylation but its dimethyl ether gave the 3,3 1-di(chloro:rnethyl) derivative which has been converted in.to the diacetoxymethyl) and the di(cyanomethyl) derivatives and into the difornlyl derivative. 3,3' -Diformyl-4,4' -dihyd-roxydiphenyl Jnethane was condensed with diethyl Bromo malonate and bi(5-benzofuranyl) Jnethane was synthesized. Bi(3-carbethoxy-6-coumarinyl) methane was obtained on the condensation of the difor.myl derivative with diethyl malonate. This on hydrolysis and decarboxylation gave bi(6-coumarinyl) methane which was also obtained by Perkin acetylation of 3,3'-for.uyl-4.4'-dihydroxy-diphenyl .nethane.
Ar 2 excimer emission from a laser-heated plasma in a high-pressure argon gas (2000)

We investigated a pump scheme to establish a practical Ar2 excimer laser operating at 128 nm. In this scheme, electrons generated by preionization of Ar gas at high pressure were heated by intense pulsed CO2 laser radiation. The resultant high-density plasma in the high-pressure Ar gas was used to create excited Ar dimers. In the experiment, a CO2 laser beam from a transversely excited atmospheric CO2 laser was focused on a narrow line, 100 mm in length, in Ar gas at a pressure of 2 MPa. A vacuum ultraviolet (VUV) signal was observed only when the Ar was preionized, and the VUV signals were identified as the emission of Ar2 excimers from the features of the spectrum which was centered on 128 nm.
N<scp>ONCOALESCENCE AND</scp> N<scp>ONWETTING</scp> B<scp>EHAVIOR OF</scp> L<scp>IQUIDS</scp> (2002)

▪ Abstract We examine situations in which two droplets of the same liquid may come into apparent contact without coalescing or in which a droplet that normally wets a surface may deform against it without actually wetting it. The focus of this review is on cases driven by hydrodynamic lubrication, the lubricant provided either by surface motion or by evaporation.
Molecular markers and their applications in wheat breeding (1999)

Abstract In recent years, considerable emphasis has been placed on the development of molecular markers to be used for a variety of objectives. This review attempts to give an account of different molecular markers—restriction fragment length polymorphisms (RFLPs), random amplified polymorphic DNAs (RAPDs), sequence‐tagged sites (STS), DNA amplification fingerprinting (DAF), amplified fragment length polymorphisms (AFLPs) and microsatellites (STMS)—currently available for genome mapping and for tagging different traits in wheat. Other markers, including microsatellite‐primed polymerase chain reaction (MP‐PCR), expressed sequence tags (ESTs) and single nucleotide polymorphisms (SNPs) are also discussed. Recent information on synteny in cereal genomes, marker‐assisted selection, marker validation and their relevance to cereal breeding in general and wheat breeding in particular are also examined.
Interplay of Dengue Virus and the Human Immune Response (2015)

RIG-I is a key cytosolic sensor of many RNA viruses, including dengue virus (DV), the most significant arboviral pathogen. Upon viral RNA binding, RIG-I signals via the adaptor protein MAVS, located at mitochondria, to induce the expression of interferons (IFNs), proinflammatory cytokines and interferon-stimulated genes (ISGs), thereby establishing an antiviral state. Among the ISGs, the IFITM proteins are critical for antiviral restriction of numerous pathogenic viruses including DV by inhibiting viral entry. Here, we uncover how DV escapes RIG-I-mediated immunity. The NS3 protein of DV binds directly to 14-3-3ε, a mitochondrial-targeting protein that is essential for translocation of RIG-I from the cytosol to mitochondria. Specifically, NS3 blocks 14-3-3ε from forming a “translocon” complex with RIG-I and its upstream activator, TRIM25, thereby inhibiting RIG-I translocation to mitochondria for MAVS interaction and antiviral signaling. Furthermore, RIG-I that fails to translocate to mitochondria is degraded in a lysosome-dependent manner in DV- infected cells. Intriguingly, NS3 binds to 14-3-3ε using a phosphomimetic motif that resembles a canonical phospho-serine/threonine motif found in cellular 14-3-3-interaction partners. We engineer a recombinant DV encoding a mutant NS3 protein deficient in 14-3-3ε binding (DV2KIKP) and find that this mutant virus is attenuated in replication compared to the parental virus. Strikingly, DV2KIKP fails to antagonize RIG-I and elicits high levels of IFNs, proinflammatory cytokines and ISGs in human hepatocytes and monocytes. Taken together, our data reveal a novel phosphomimetic-based mechanism for viral antagonism of innate immunity and provide a foundation for DV vaccine development. DV can infect cells directly, or complex with non-neutralizing antibodies to infect Fc- receptor-bearing cells in a secondary infection, which is associated with severe disease. While it has been shown that IFITMs restrict DV direct infection, it is unknown if the latter process, commonly termed antibody-dependent enhancement (ADE), might bypass IFITM-mediated restriction. Comparison of direct and ADE-mediated DV infection shows that IFITM proteins restrict both infection modes equally, suggesting that upregulation of IFITMs may be a therapeutic strategy. In summary, our work elucidates several molecular aspects of the interplay of DV with the human immune response, which may guide the rational design of vaccines and antivirals.
Regulation of <i>freA</i> , <i>acoA</i> , <i>lysF</i> , and <i>cycA</i> Expression by Iron Availability in <i>Aspergillus nidulans</i> (2002)

In the filamentous fungus Aspergillus nidulans, iron homeostasis is regulated at the transcriptional level by the negative-acting GATA factor SREA. In this study the expression of a putative heme-containing metalloreductase-encoding gene, freA, was found to be upregulated by iron limitation independently of SREA, demonstrating the existence of an iron-regulatory mechanism which does not involve SREA. In contrast to freA, various other genes encoding proteins in need of iron-containing cofactors-acoA, lysF, and cycA-were downregulated in response to iron depletion. Remarkably, SREA deficiency led to increased expression of acoA, lysF, and cycA under iron-replete growth conditions.
Scalable Influence Estimation in Continuous-Time Diffusion Networks (2013)

If a piece of information is released from a media site, can it spread, in 1 month, to a million web pages? This influence estimation problem is very challenging since both the time-sensitive nature of the problem and the issue of scalability need to be addressed simultaneously. In this paper, we propose a randomized algorithm for influence estimation in continuous-time diffusion networks. Our algorithm can estimate the influence of every node in a network with |V| nodes and |E| edges to an accuracy of $\varepsilon$ using $n=O(1/\varepsilon^2)$ randomizations and up to logarithmic factors O(n|E|+n|V|) computations. When used as a subroutine in a greedy influence maximization algorithm, our proposed method is guaranteed to find a set of nodes with an influence of at least (1-1/e)OPT-2$\varepsilon$, where OPT is the optimal value. Experiments on both synthetic and real-world data show that the proposed method can easily scale up to networks of millions of nodes while significantly improves over previous state-of-the-arts in terms of the accuracy of the estimated influence and the quality of the selected nodes in maximizing the influence.
Pharmacology of the Lower Urinary Tract (2001)

The functions of the lower urinary tract, to store and periodically release urine, are dependent on the activity of smooth and striated muscles in the urinary bladder, urethra, and external urethral sphincter. This activity is in turn controlled by neural circuits in the brain, spinal cord, and peripheral ganglia. Various neurotransmitters, including acetylcholine, norepinephrine, dopamine, serotonin, excitatory and inhibitory amino acids, adenosine triphosphate, nitric oxide, and neuropeptides, have been implicated in the neural regulation of the lower urinary tract. Injuries or diseases of the nervous system, as well as drugs and disorders of the peripheral organs, can produce voiding dysfunctions such as urinary frequency, urgency, and incontinence or inefficient voiding and urinary retention. This chapter will review recent advances in our understanding of the pathophysiology of voiding disorders and the targets for drug therapy.
Dolutegravir for the treatment of HIV (2012)

DTG, as other drugs in the INI class, appears safe and well tolerated. Results from ongoing large Phase III studies will bring more generalizable and robust information on the long-term effects of DTG.