gebhart/patrepeval huggingface dataset:
Analysis of acoustic prism couplers for rayleigh and lamb waves (1980)

Abstract The prism coupler has long been used for excitations of Rayleigh and Lamb waves. Since analysis is lacking in the leaky wave phenomenon on the guided wave path due to the prism perturbation, many problems are not explained. In this paper, the solid and liquid prism couplers are analyzed by the leaky wave concept and modeconversion theory, the following problems are clarified: the mode conversion efficiency expected to be obtained in theory, the coupling length between the prism and the guided wave path as related to the mode‐conversion efficiency, the difference between the p‐ and sv‐wave in the solid prism coupler, the effect of the liquid couplant, and the effect of the absorption loss in the prism material. Three of the universal diagrams are also provided. It is confirmed that the measured and theoretical available conversion efficiency for the Rayleigh wave transducer consisting of the bulk wave transducer are in good agreement.
Poisoned Molasses for the Destruction of Noctuid Moths (1922)

Journal Article Poisoned Molasses for the Destruction of Noctuid Moths Get access E. H. Strickland E. H. Strickland Entomological Branch, Ottawa, Can Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Economic Entomology, Volume 15, Issue 3, 1 June 1922, Pages 214–220, https://doi.org/10.1093/jee/15.3.214 Published: 21 August 2014
Polymerization in lyotropic liquid crystals. 1. Phase behavior of photo-cross-linkable ethylene oxide (PEO)-dimethylsiloxane (PDMS) triblock copolymers PEO-PDMS-PEO in aqueous solution (1992)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolymerization in lyotropic liquid crystals. 1. Phase behavior of photo-cross-linkable ethylene oxide (PEO)-dimethylsiloxane (PDMS) triblock copolymers PEO-PDMS-PEO in aqueous solutionJianling Yang and Gerhard WegnerCite this: Macromolecules 1992, 25, 6, 1786–1790Publication Date (Print):March 1, 1992Publication History Published online1 May 2002Published inissue 1 March 1992https://pubs.acs.org/doi/10.1021/ma00032a026https://doi.org/10.1021/ma00032a026research-articleACS PublicationsRequest reuse permissionsArticle Views501Altmetric-Citations43LEARN 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
Image Processing of Dotted Picture in the QR Code of Cellular Phone (2010)

QR (Quick Response) codes are frequently used with progress of the Internet and introducing the QR decoding function in the cellar phone. A bar code shows an individual identification number (ID) by this number fundamentally. As the amount of information encoded by one-dimensional bar codes is limited, two-dimensional bar codes have been developed. This paper presents the dotted picture multiplexing method over the QR coding and the evaluation of the redundancy characteristics of the QR coding is also described. The prototype of the QR Editor for making the QR code with the dotted pictures, are made and the dotted pictures are confirmed by the cellar phone barcode.
Elongation of (CTG)n repeats in myotonic dystrophy protein kinase gene in tumors associated with myotonic dystrophy patients (1999)

Length of (CTG)n triplet repeats in myotonic dystrophy protein kinase gene (DMPK) was estimated in tumors, normal tissues of the same organs, muscles, and leukocytes from three myotonic dystrophy (DM) patients and a non-DM patient. Using cDNA 25 as a probe, a Southern blot analysis of EcoRI- and BglI-digested DNA from these tissues demonstrated the longest expansion of the repeats in the tumors of DM patients. In all tissues from a non-DM patient, the repeat length was confirmed to be stable by PCR analysis. Our data suggest that expanded (CTG)n repeat in tumor tissues may have increased the instability. This study emphasizes the importance of a long-term prospective study on the incidence of tumors in DM to clarify the pathological interrelation between the two entities. © 1999 John Wiley & Sons, Inc. Muscle Nerve 22: 1271–1274, 1999.
High-power 83 W holmium-doped silica fiber laser operating with high beam quality (2007)

A high-power 83 W cladding-pumped Tm3+-Ho3+-doped silica fiber laser is reported. Using bidirectional 793 nm diode pumping, a maximum slope efficiency of 42% was produced after a threshold launched pump power of 12 W was exceeded. The laser operated at wavelengths near 2105 nm with moderate beam quality, i.e., M2 approximately 1.5. Further power scaling of the fiber laser was limited by thermal failure of the fiber ends.
Clinical effectiveness and risk of emerging resistance associated with prolonged use of antibiotic-impregnated catheters: More than 0.5 million catheter days and 7 years of clinical experience* (2010)

Catheters coated with minocycline and rifampin significantly decreased the incidence of central line-associated bloodstream infection in the medical intensive care unit in a manner that was independent and complementary to the infection control precautions. Although this study strongly suggests an association between catheters coated with minocycline and rifampin use and a decrease in central line-associated bloodstream infection, because of multiple other concurrent interventions, the results should be interpreted cautiously until a prospective study is conducted. Furthermore, long-term use of these devices is not associated with increased resistance of staphylococcal isolates to tetracycline and rifampin in the intensive care unit or throughout the hospital.
Hierarchical wind farm control for power/load optimization (2010)

This paper introduces the two leveled hierarchical control concept for wind farm power/load optimization. The high level controller uses the coupling between the wind turbines through the wakes to obtain the optimal wind farm operating point, while the low level controller dynamically optimizes wind farm behavior. The algorithmic solution for the low level controller is presented. To minimize the on-line computational effort the control design procedure replaces the on-line optimization with the off-line optimization approach via multiparametric programming. The simulation results of typical scenarios are reported.
A Kinetic Study of the Reaction Mechanism of Tryptophanase-catalyzed Reactions (1967)

Abstract Crystalline tryptophanase from Escherichia coli catalyzes a variety of α,β elimination and β replacement reactions corresponding, respectively, to Equations i and ii. RCH2CHNH2COOH + H2O→CH3COCOOH + RH + NH3 (i) RCH2CHNH2COOH + indole→tryptophan + RH (ii) The initial rates of these reactions were followed spectrophotometrically by measuring pyruvate formation in the presence and absence of indole by use of a coupled system containing reduced diphosphopyridine nucleotide and lactate dehydrogenase. The affinity of tryptophanase for a given substrate is the same in Reaction i as in Reaction ii; consequently, association of the enzyme with indole, for which it shows high affinity (Km = 0.01 mm), does not result in any conformational change in the active site that is reflected in its affinity for its other substrates. Unlike indole, even high concentrations of hydrogen sulfide or methylmercaptan do not inhibit pyruvate formation in Reaction i and hence do not replace indole in β replacement reactions analogous to ii, although the corresponding amino acids, cysteine and S-methylcysteine, are excellent substrates for both reactions. These reactions are visualized as occurring by the mechanism outlined in Equations iii to v, where E represents tryptophanase. E + tryptophan (b)/⇌ E·amminoacrylate + indole (iii) E + RCH2CHNH2COOH ⇌ E·RCH2CHNH2COOH (b)/→ E·amminoacrylate + RH (iv) E·amminoacrylate + H2O → E + pyruvate + NH3 (v) Three kinetic cases can be distinguished: (a) the formation of pyruvate from tryptophan (Reactions iii + v), (b) the formation of pyruvate from other substrates (Reactions iv + v), and (c) the formation of tryptophan from other substrates plus indole (Reactions iv and iii in reverse). Rate equations derived for each of the three cases were tested graphically and were satisfied by kinetic data obtained with each of the five substrates (l-tryptophan, l-serine, l-cysteine, S-methyl-l-cysteine, and S-ethyl-l-cysteine) tested. In accordance with the proposed mechanism, an essentially identical value was obtained with all substrates for the kinetic parameter corresponding to the affinity constant of indole for the enzyme-aminoacrylate complex, the common intermediate in Reactions i and ii. This common intermediate decomposes to form tryptophanase, pyruvate, and ammonia at a rate approximately equal to that of dissociation of the enzyme-tryptophan complex. The maximal velocity of pyruvate formation from a given substrate in Reaction i is essentially identical with that of tryptophan synthesis from that same substrate in Reaction ii. Differences in the maximal velocity (Vmax) of Reactions i and ii are observed for different substrates, and these differences, considered in relation to the physical meaning of Vmax in terms of individual rate constants, provide strong kinetic evidence that the rate-determining step in each of the tryptophanase-catalyzed reactions lies in the removal of the β substituent from the substrate (Step b of Reactions iii and iv).
A 1.2V 64Gb 341GB/S HBM2 stacked DRAM with spiral point-to-point TSV structure and improved bank group data control (2018)

With the recent increasing interest in big data and artificial intelligence, there is an emerging demand for high-performance memory system with large density and high data-bandwidth. However, conventional DIMM-type memory has difficulty achieving more than 50GB/s due to its limited pin count and signal integrity issues. High-bandwidth memory (HBM) DRAM, with TSV technology and wide IOs, is a prominent solution to this problem, but it still has many limitations: including power consumption and reliability. This paper presents a power-efficient structure of TSVs with reliability and a cost-effective HBM DRAM core architecture.
Target tracking using factor graphs and multi-camera systems (2015)

This paper presents a multi-camera target tracking system based on factor graphs, designed to estimate the state of moving targets using a message propagation framework. Inexpensive cameras deployed in the area of interest are the main sensory modality. We discuss the transformation geometry between world points and camera pixels and how the uncertainties in the homographies affect the estimation. The framework has been tested on real data coming from a harbor to track moving vessels.
An algorithmic approach to adaptive state filtering using recurrent neural networks (2001)

Practical algorithms are presented for adaptive state filtering in nonlinear dynamic systems when the state equations are unknown. The state equations are constructively approximated using neural networks. The algorithms presented are based on the two-step prediction-update approach of the Kalman filter. The proposed algorithms make minimal assumptions regarding the underlying nonlinear dynamics and their noise statistics. Non-adaptive and adaptive state filtering algorithms are presented with both off-line and online learning stages. The algorithms are implemented using feedforward and recurrent neural network and comparisons are presented. Furthermore, extended Kalman filters (EKFs) are developed and compared to the filter algorithms proposed. For one of the case studies, the EKF converges but results in higher state estimation errors that the equivalent neural filters. For another, more complex case study with unknown system dynamics and noise statistics, the developed EKFs do not converge. The off-line trained neural state filters converge quite rapidly and exhibit acceptable performance. Online training further enhances the estimation accuracy of the developed adaptive filters, effectively decoupling the eventual filter accuracy from the accuracy of the process model.
Glycoprotein Ib and glycoprotein IX are fully complexed in the intact platelet membrane (1987)

Two new murine monoclonal antibodies, AK 1 and SZ 1, reactive with the human platelet glycoprotein (GP) Ib-IX complex have been produced by the hybridoma technique. Both AK 1 and SZ 1 immunoprecipitated the GP Ib-IX complex from Triton X-100-solubilized, periodate-labeled platelets. With trypsinized, labeled platelets, AK 1, SZ 1, and FMC 25 (epitope on GP IX) immunoprecipitated a membrane-bound proteolytic fragment of the GP Ib-IX complex consisting of GP IX and an congruent to 25,000 mol wt remnant of the alpha-chain of GP lb disulfide-linked to the beta-subunit. Unexpectedly, although AK 1 and SZ 1 immunoprecipitated purified GP Ib-IX complex, neither antibody immunoprecipitated the individual components of this complex, GP Ib or GP IX. When GP Ib and GP IX were recombined, however, AK 1 and SZ 1 again immunoprecipitated the reformed complex, strongly suggesting that both antibodies were recognizing an epitope present only on the intact complex. Cross-blocking studies indicated that AK 1 and SZ 1 recognized a very similar or identical epitope that was proximal to the epitope for FMC 25. Both AK 1 and SZ 1 bound to a similar number of binding sites (congruent to 25,000) on intact platelets as monoclonal antibodies directed against either GP lb or GP IX. The combined data suggests that GP lb and GP IX are fully complexed in the intact platelet membrane.
Energy- and Area-Efficient Spin–Orbit Torque Nonvolatile Flip-Flop for Power Gating Architecture (2018)

This paper proposes two enhanced architectures for spin-orbit torque nonvolatile flip-flop (SOT-NVFF), namely, parallel programming scheme (pSOT-NVFF) and series programming scheme (sSOT-NVFF). At given SOT magnetic tunnel junction (SOT-MTJ) technology, the pSOT-NVFF achieves 29% lower backup energy with nearly 50% shorter backup delay compared with previous parallel architectures and the sSOT-NVFF offers at least 42% lower backup energy with 52% higher speed compared with others. Further analysis of the two proposed architectures showed a preferred window of operation for each architecture as a function of heavy metal electrode resistance (R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">HM</sub> ). In particular, sSOT-NVFF is preferred, from speed and energy perspectives, for SOT-MTJs with small R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">HM</sub> (i.e., hundreds of Ω to tens of kQ), while pSOT-NVFF is preferred for SOT-MTJs with large R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">HM</sub> in the range of hundreds of kQ. Further study indicates that our NVFF is robust, stable, and functional even with process variations.
Architecture of an image signal processor (1984)

Abstract We have developed an LSI especially suited to process image signals (Image Signal Processor (ISP)). It can process signals of a gray‐scale image having 256 levels as rapidly as TV images are scanned. the device features a kernel size which can easily be extended by either of two methods. the extension method adds ISPs like building blocks. For example, using four ISPs, a 4 × 4 spatial convolution for reconstruction of a gray‐scale image composed of 256 × 256 pixels takes 10.9 ms; the second method adopts our newly proposed image scanning system, the stick scanning system. This enables one ISP to execute a 4 × 4 spatial convolution. In addition, various image processing operations can be done by changing the contents of the programmable control registers within the ISP. Our ISP is fabricated using 3 μm CMOS technology and comprises about 61,000 transistors. the chip is 7.72 × 8.64 mm in size and is mounted in a 64‐pin DIP.
A smart sensor to detect the falls of the elderly (2004)

Falls are a major health hazard for the elderly and a major obstacle to independent living. The estimated incidence of falls for both institutionalized and independent persons aged over 75 is at least 30 percent per year. In the SIMBAD (Smart Inactivity Monitor using Array-Based Detectors) project, we've developed an intelligent fall detector based on a low-cost array of infrared detectors. A field trial and user research indicate that SIMBAD could significantly enhance the functionality and effectiveness of existing monitoring systems and community alarm systems.
Continuous electrodeposition for lightweight, highly conducting and strong carbon nanotube-copper composite fibers (2011)

Carbon nanotube (CNT) fiber is a promising candidate for lightweight cables. The introduction of metal particles on a CNT fiber can effectively improve its electrical conductivity. However, the decrease in strength is observed in CNT-metal composite fibers. Here we demonstrate a continuous process, which combines fiber spinning, CNT anodization and metal deposition, to fabricate lightweight and high-strength CNT-Cu fibers with metal-like conductivities. The composite fiber with anodized CNTs exhibits a conductivity of 4.08 × 10(4)-1.84 × 10(5) S cm(-1) and a mass density of 1.87-3.08 g cm(-3), as the Cu thickness is changed from 1 to 3 μm. It can be 600-811 MPa in strength, as strong as the un-anodized pure CNT fiber (656 MPa). We also find that during the tensile tests there are slips between the inner CNTs and the outer Cu layer, leading to the drops in electrical conductivity. Therefore, there is an effective fiber strength before which the Cu layer is robust. Due to the improved interfacial bonding between the Cu layer and the anodized CNT surfaces, such effective strength is still high, up to 490-570 MPa.
INTESTINAL ABSORPTION OF THIAMINE PROPYL DISULFIDE (1965)

1. Thiamine propyl disulfide (TPD) is rapidly reduced in blood even at low temperature while it is relatively stable in a metaphosphoric acid-treated solution of blood.2. The content of TPD in the mesenteric venous blood was maximum 1 minute after infusion into a ligated intestine, showing 25% absorption by a method of TPD determination. The value decreased with time.3. The existance of TPD in the mesenteric venous blood was demonstrated bioautographically using a thiamine-less mutant (70-23) of E. coli.
Small pixel infrared sensor technology (2017)

We report on product maturation of small pixel high definition high charge capacity 2.4 Mpixel MWIR Infrared Focal Plane Arrays. This high definition (HD) FPA utilizes a small 5 um pitch pixel size which enables near Nyquist limited sampling with by the optical system of many IR lenses. These smaller sub diffraction pitch pixels enable improved sensitivity and resolution resulting in clear, crisp high contrast imaging with excellent IFOVs even with small focal length lenses. The small pixel IR sensor allows the designer to trade off field of view, MTF, optics F/# to obtain a more compact and high performance IR sensor. This enables lower size, power and weight reductions of the entire IR Sensor System. The highly sensitive MWIR small pixel HD FPA has the capability to detect dimmer signals at longer ranges than previously demonstrated.
Methods for assessing the susceptibility of potato tubers of different cultivars to rotting by <i>Erwinia carotovora</i> subspecies <i>atroseptica</i> and <i>carotovora</i> (1984)

The susceptibility of tubers of different potato cultivars to soft rot by Erwinia carotovora subspp. uroseptica and carotovora was assessed in 3 years by two methods. In one method, whole tubers inoculated at wounds with either bacterium were incubated under anaerobic conditions for 5 or o days at 15°C. In the other method, wounds made in tuber slices were allowed to heal or not, before inoculation with different concentrations of each bacterium and were then incubated under aerobic conditions for 3 days at 15°C. Most cultivars gave consistent reactions in repeated experiments using the same method, but there was some seasonal variation. A few cultivars were consistently susceptible (Klondyke and Manna) or resistant (Drayton) in both methods but others gave completely contrasting results (Record). In both methods and with all cultivars more rotting was caused by subsp. atroseptica than by subsp. carotovora because of the temperature of Incubation.
<title>Ophthalmologic image normalization using optical correlation</title> (1997)

This paper describes algorithmic development toward an automated process that generates a same patient sequence of fundic images that are normalized in position and intensity and have noise artifacts removed. Normalization of these fundic images is a key first step to further automatic analysis for the presence or progress of ophthalmic diseases. The Litton PRC team, inclusive of LItton Data Systems and Tomey Inc., evaluated the potential use of a hybrid optical/digital processor in the normalization of ophthalmic imagery. PRC provided the funding, initial architecture and approach for disease analysis using the optical processor. Tomey Inc. provided the fundus imagery and clinical advice on 'normalization' or images prior to undertaking the disease analysis. Litton Data Systems prototyped the algorithms and test using a rapid application prototyping tool for object recognition. The team approach was to do a coarse vessel alignment to bring the images within a to-be-determined level of alignment, and the repeat the algorithms at a threshold and alignment for fine vessels. The success of the coarse work encouraged the investigation of algorithms for processing higher resolution images with greater accuracy. The combined results completed the IRAD investigation and are shown as successfully aligning two images.
PLL On-Chip Jitter Measurement: Analysis and Design (2006)

Analysis of on-chip jitter measurements based on the dead-zone method reveals potentially large errors in the jitter variance estimate, when the jitter distribution is changing or not known a priori. To overcome this, a more accurate variance estimation method is proposed and experimentally verified. The residual error, caused by the correlated noise between the PLL and the measurement circuit, is fully characterized and circuit topologies are proposed to mitigate this type of error
Development and evaluation of a radioimmunoassay for the analysis of body fluids to determine the presence of tricyclic antidepressant drugs (1984)

A radioimmunoassay has been developed for the direct detection of tricyclic antidepressant drugs in blood and urine. It is based on a radioiodinated derivative of desipramine and this allows the use of relatively simple gamma-counting procedures. The assay can detect low concentrations (50–500 ng ml–1, depending on the drug) in very small amounts (50 µl) of blood and urine. It is reliable, cheap, rapid, simple to perform and biological samples can be assayed directly. The antiserum is availáble commercially and the radiolabelled desipramine is easy to prepare. The assay is group specific, is well suited to the task of screening large numbers of samples and is now in routine use in several forensic science laboratories.