gebhart/patrepeval huggingface dataset:
The Flexure Modulus of Elasticity of Orthodontic Wires (1983)

The flexure moduli of elasticity of solid and multi-stranded orthodontic wires were determined. Results for the solid wires approximated their tensile values, but the differences were statistically significant for the stainless steel, chromium-cobalt-nickel, and nickel-titanium alloys. The flexure moduli of the multi-stranded wires ranged from 0.89 to 5.11 X 10(6) psi, and were dependent on the direction of activation.
Plasma Cyclophilin A Is a Novel Biomarker for Coronary Artery Disease (2012)

Plasma CyPA level is a novel biomarker for oxidative stress and CAD in humans.
CoO sensors for measurement and control of exhaust from lean-burn engines. SAE Paper 760312 (1976)

An experimental exhaust sensor using CoO ceramic is being developed for measuring and controlling air-to-fuel ratio (A/F) of internal combustion engines operating under lean-burn conditions. The operation of the sensor is based on the fact that at elevated temperatures the electrical resistance of CoO depends on the oxygen partial pressure (P/sub O/sub 2//). At controlled temperatures, the combination of good P/sub O/sub 2// sensitivity, high reproducibility of the electrical properties and small temperature coefficient of resistance of CoO materials make this sensor suitable for the lean A/F range (15 to 20) where exhaust P/sub O/sub 2// depends only weakly on A/F ratio. At low P/sub O/sub 2// (A/F < 13.5) and high temperatures, CoO reduces to Co; therefore, prolonged exposure of the sensor to these conditions must be avoided. The material properties and the sensor characteristics are discussed and results of tests on car-mountable CoO sensors are presented. Durability and large-scale manufacturability of these sensors have not yet been established.
Fibrin Specific Thrombolysis by Two-Chain Urokinase-Type Plasminogen Activator Cleaved after Arginine 156 by Thrombin (1990)

Scu-PA was cleaved by thrombin after arginine-156 to yield a two-chain molecule with low amidolytic activity and resistance to cleavage by plasmin. 125I-fibrin-labeled clots were dissolved in vitro by thrombin-cut scu-PA, but only at concentrations 10- to 50-fold greater than that needed for scu-PA. Three hours of incubation produced 100, 80, and 31% lysis with 100, 50, and 25 micrograms/ml thrombin-cut scu-PA. Thrombin-cut scu-PA, scu-PA, and tcu-PA yielded linear dose responses in the rabbit jugular venous thrombosis model. The dose required to reach 40% lysis was 2 mg/kg for scu-PA, 3 mg/kg for tcu-PA, and 4 mg/kg for thrombin-cut scu-PA. No significant consumption of fibrinogen or alpha 2-antiplasmin levels was observed with thrombin-cut scu-PA while the level of fibrinogen and alpha 2-antiplasmin decreased to about 50 and 40%, respectively, with scu-PA and to less than 10% of baseline with tcu-PA. Thus, while less potent than scu-PA, thrombin-cut scu-PA appears to be a more fibrin-specific thrombolytic agent than scu-PA.
Background-corrected simultaneous multielement atomic absorption spectrometer (1979)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBackground-corrected simultaneous multielement atomic absorption spectrometerJ. M. Harnly, T. C. O'Haver, B. Golden, and W. R. WolfCite this: Anal. Chem. 1979, 51, 12, 2007–2014Publication Date (Print):October 1, 1979Publication History Published online1 May 2002Published inissue 1 October 1979https://pubs.acs.org/doi/10.1021/ac50048a027https://doi.org/10.1021/ac50048a027research-articleACS PublicationsRequest reuse permissionsArticle Views244Altmetric-Citations74LEARN 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
Effect of the Metabolism of Urea on the Acidifying Activity of Streptococcus thermophilus (2004)

One of the main functions of Streptococcus thermophilus strains used in the dairy industry is the production of lactic acid. In cheese and fermented milk manufacturing processes, the pH evolution kinetics must be reproducible in order to ensure the good quality of the final products. The objective of the present study was to investigate the effect of the metabolism of urea on the acidifying activity of fast- and slow-acidifying strains of S. thermophilus. Milk treatment with a purified urease and utilization of the urease inhibitor flurofamide revealed that urea metabolism by S. thermophilus influences the pH evolution kinetics through 2 distinct means. First, ammonia production from urea tends to increase the pH. This effect is greater when lactic acid concentration is low due to a lower buffering capacity of milk. Second, urea metabolism also modifies growth and lactic acid production by S. thermophilus. Depending on the strains and the growth stage of the cultures, consumption of urea induces either a faster or a slower pH decrease. For the slow-acidifying strain RD678, suppression of urea metabolism by adding flurofamide decreased the time necessary to reach pH 6 by 195 min. This effect was less pronounced for the 2 fast-acidifying strains RD674 and RD677. These results show that urea metabolism may have a considerable influence on the acidifying properties of S. thermophilus strains.
Molecular Cloning of the Gene for Human Leukotriene C4 Synthase (1996)

Leukotriene C4 (LTC4) synthase catalyzes the conjugation of LTA4 with reduced GSH to form LTC4, the parent of the receptor active cysteinyl leukotrienes implicated in the pathobiology of bronchial asthma. Previous cloning of the cDNA for human LTC4 synthase demonstrated significant homology of its amino acid sequence to that of 5-lipoxygenase activating protein (FLAP) but none to that of the GSH S-transferase super-family. Genomic cloning from a P1 library now reveals that the gene for LTC4 synthase contains five exons (ranging from 71 to 257 nucleotides in length) and four introns, which in total span 2.52 kilobase pairs in length. The intron/exon junctions of LTC4 synthase align identically with those of FLAP; however, the small size of the LTC4 synthase gene contrasts with the > 31-kilobase pair size reported for FLAP. Confirmation of the LTC4 synthase gene size to ensure that no deletions had occurred during the cloning was obtained by two overlapping polymerase chain reactions from genomic DNA, which provided products of the predicted sizes. Primer extension analysis with poly(A)+ RNA from culture-derived human eosinophilic granulocytes or the KG-1 myelogenous cell line revealed multiple transcriptional start sites with prominent signals at 66, 69, and 96 base pairs 5' of the ATG translation start site. The 5'-flanking region revealed a GC-rich promoter sequence consistent with an SP-1 site and consensus sequences for AP-1 and AP-2 enhancer elements, 24, 807, and 877 bp, respectively, 5' from the first transcription initiation site. Southern blot analysis of a genomic DNA (with full-length cDNA as well as 5' and 3' oligonucleotide probes) confirmed the size of the gene and indicated a single copy gene in normal human genomic DNA. Fluorescent in situ hybridization mapped LTC4 synthase to chromosomal location 5q35, which is in close proximity to the cluster of genes for cytokines and receptors involved in the regulation of cells central to allergic inflammation and implicated in bronchial asthma.
Enhancement of laser-induced optical breakdown using metal/dendrimer nanocomposites (2002)

We demonstrate that dendrimer nanocomposites (DNC) can be used to remarkably change the laser-induced optical breakdown (LIOB) threshold of a material, owing to a large enhancement of the local electric field. We have implemented LIOB using femtosecond laser pulses in a gold/dendrimer hybrid nanocomposite as a model system. Third-harmonic generation measurements have been employed as a sensitive way for monitoring the LIOB in situ and in real time. The observed statistical behavior of the breakdown process is attributed to a laser-driven aggregation of individual DNC particles. The breakdown threshold value of the DNC has been found to be up to two orders of magnitude lower than that of pure dendrimers or normal tissues.
Microdischarge array-assisted ignition of a high-pressure discharge: Application to arc lamps (2001)

An array of cylindrical microdischarges has been demonstrated to significantly improve the ignition characteristics of a high-pressure arc discharge by preionizing the anode–cathode gap. Situated behind the cathode, the microdischarge array serves to reduce both the statistical and formative time delays by providing seed electrons in the critical early phases of the startup of a cold lamp. Experiments conducted in Ar and Ne/2% Xe mixtures at pressures ranging from 35 to 600 Torr with spacings between the tungsten electrodes of 1–3.5 cm show that a three element array of 400-μm-diam cylindrical microdischarges lowers the dc ignition voltage for the lamp by at least a factor of 2 when the Ar pressure is between 50 and 75 Torr. The required voltage is constant over a broad range in Ar pressure (35 to ∼90 Torr) and similar results are observed with 200-μm-diam microdischarges and for lamp ignition in Ne/2% Xe gas mixtures.
<title>Temporal synchronization in video watermarking: further studies</title> (2003)

In refernce one, we proposed a technique or protocol for efficient temporal synchronization of video watermarks. Our technique is based on constructing a watermark with temporal redundancy, which allows the detector to efficiently establish and maintain synchronization without performing extensive search or explicit template signal embedding. In this paper, we describe several enhancements to our technique. A new class of key generators is presented which uses a cryptographic hash function to define the set of states and the state transition function of the finite state machine (FSM). In addition to the very large number of states and key-dependent state transition functions, which enhance security, the new class of key generators allows a limited degree of randomization. This randomization can take the form of multiple start states in the FSM, or by randomized state transitions. The non-deterministic behavior of a randomized FSM requires the detector to perform more search, but also makes the key sequence less predictable and improves security. We also describe a new method for temporal redundancy control which adaptively changes the watermark key based on the characteristics of the video. This new strategy prevents a loss of temporal redundancy (which leads to a loss of robustness) which can occur using the earlier naive method. The enhancements were implemented and the detection performance after frame dropping, transposition, and averaging attack are compared.
Process for selective removal of H/sub 2/S from mixtures containing H/sub 2/S and CO/sub 2/ using di-severely sterically hindered secondary aminoethers (1983)

The selective removal of H/sub 2/S gas from a normally gaseous mixture containing H/sub 2/S and CO/sub 2/ is accomplished by contacting the gaseous mixture with an absorbent solution comprising a di-secondary aminoether wherein each amino group has a severely sterically hindered secondary amino moiety whereby H/sub 2/S is selectively absorbed from the mixture.
Multivariable Optimal Control of HVDC Transmission Links With Network Parameter Estimation for Weak Grids (2014)

This paper features a model predictive control approach for high-voltage direct current lines (HVDC), where in particular the voltage source converter (VSC) HVDC configuration is investigated. The target is to develop a control method which, given the requested power and voltage values, yields an appropriate set of voltage references to be fed to the modulation scheme of the VSC. A parameter estimation scheme for the model employed in the model predictive control formulation is included. Since the chosen control approach directly encompasses the multivariable nature of the problem, no phase-locked loop is required for the purpose of dq frame alignment, facilitating tuning in the case of weak grids. The considered system is presented, the derived control procedure is described, and numerical simulations are illustrated showing the performance of the proposed approach.
A highly isolated dual-polarized linear array antenna with very low cross-polarization (2017)

A linear array antenna with pability is introduced. It consists of cros high port-to-port isolation and low cross-p degree bent dipoles are utilized to achieve pattern. The antenna maintains an active at 2.7-3 GHz while scanning up to ±45° configuration of elements is employed in t reduces the cross-polarization in principal below the co-polarization peak while scann E-plane. To validate the simulation, a linea is fabricated and its measured results are.
Filamentous hemagglutinin and pertussis toxin promote adherence of Bordetella pertussis to cilia. (1985)

Bordetella pertussis adheres specifically to the cilia of respiratory epithelial cells. This ability to adhere is characteristic of virulent organisms. In order to define the contribution of various virulence factors of B. pertussis to the process of adherence, mutants deficient in single virulence factors were tested for the ability to adhere to rabbit cilia in vitro and in vivo. Two protective antigens were found to be critical to the process of adherence: filamentous hemagglutinin and pertussis toxin.
pit/LESS: Stateless Forwarding in Content Centric Networks (2016)

We present a novel approach to support stateless forwarding in information centric networks with emphasis on the CCN/NDN architectures by proposing a space-efficient in-packet filter based on the encoded counting bloom filter. Proposed solution avoids the typical pitfalls of using classic Bloom Filters by significantly reducing the false positive transmission attempts, while supporting reliable and resource efficient delivery of content packets to end hosts with minimal overhead. Comparisons to classic Bloom filter (and counting Bloom filter) based implementations suggest multiple times improvement in performance with the proposed solution without loss of support for stateless forwarding along the path.
Construction of hybrid proteins that migrate retrogradely and transynaptically into the central nervous system (1997)

The nontoxic proteolytic C fragment of tetanus toxin (TTC peptide) has the same ability to bind nerve cells and be retrogradely transported through a synapse as the native toxin. We have investigated its potential use as an in vivo neurotropic carrier. In this work we show that a hybrid protein encoded by the lacZ-TTC gene fusion retains the biological functions of both proteins in vivo-i.e. , retrograde transynaptic transport of the TTC fragment and beta-galactosidase enzymatic activity. After intramuscular injection, enzymatic activity could be detected in motoneurons and connected neurons of the brainstem areas. This strategy could be used to deliver a biological activity to neurons from the periphery to the central nervous system. Such a hybrid protein could also be used to map synaptic connections between neural cells.
Cloning IO Intensive Workloads Using Synthetic Benchmark (2017)

Performance evaluation of an enterprise application on multiple storage systems of interest called target systems, is a time consuming and costly process. Moreover, it is increasingly challenging to predict the performance at higher concurrencies (no. of users) on target systems when the application is migrated from the low performance source system where the application is currently deployed.
Automated Design of Restraint Layer of an Inflatable Vessel (2007)

A Mathcad computer program largely automates the design and analysis of the restraint layer (the primary load-bearing layer) of an inflatable vessel that consists of one or more sections having cylindrical, toroidal, and/or spherical shape(s). A restraint layer typically comprises webbing in the form of multiple straps. The design task includes choosing indexing locations along the straps, computing the load at every location in each strap, computing the resulting stretch at each location, and computing the amount of undersizing required of each strap so that, once the vessel is inflated and the straps thus stretched, the vessel can be expected to assume the desired shape. Prior to the development of this program, the design task was performed by use of a difficult-to-use spreadsheet program that required manual addition of rows and columns depending on the numbers of strap rows and columns of a given design. In contrast, this program is completely parametric and includes logic that automatically adds or deletes rows and columns as needed. With minimal input from the user, this program automatically computes indexing locations, strap lengths, undersizing requirements, and all design data required to produce detailed drawings and assembly procedures. It also generates textual comments that help the user understand the calculations.
Hierarchical Real-Time Recognition of Compound Objects in Images (2003)

This dissertation proposes a novel approach for the recognition of compound 2D objects in images under real-time conditions. A compound object consists of a number of rigid object parts that show arbitrary relative movements. The underlying principle of the approach is based on minimizing the overall search effort, and hence the computation time. This is achieved by restricting the search according to the relative movements of the object parts. Minimizing the search effort leads to the use of a hierarchical model: only a selected root object part, which stands at the top of the hierarchy, is searched within the entire search space. In contrast, the remaining parts are searched recursively with respect to each other within very restricted search spaces. By using the hierarchical model, prior knowledge about the spatial relations, i.e., relative movements, between the object parts is exploited already in an early stage of the recognition. Thus, the computation time can be reduced considerably. Another important advantage of the hierarchical model is that it provides an inherent determination of correspondence, i.e., because of the restricted search spaces, ambiguous matches are avoided. Consequently, a complicated and computationally expensive solution of the correspondence problem is not necessary. The approach shows additional remarkable features: it is general with regard to the type of object, it shows a very high robustness, and the compound object is localized with high accuracy even under projective distortions. Furthermore, several instances of the object in the image can be found simultaneously. One substantial concern of this dissertation is to achieve a high degree of automation. Therefore, a method that automatically trains and creates the hierarchical model is proposed. For this, several example images that show the relative movements of the object parts are analyzed. The analysis automatically determines the rigid object parts as well as the spatial relations between the parts. This is very comfortable for the user because a complicated manual description of the compound object is avoided. The obtained hierarchical model is used to recognize the compound object in real-time.
Perceiving Drilling Learning Through Visualization (2000)

Abstract Using three-dimensional visualization of the earth model as a foundation, a new IT development strategy focuses on perceiving "Drilling Learning" by an intuitive method. Symbols, known as "Knowledge Attachments" are attached to each wellbore trajectory displayed in the three-dimensional environment, with each symbol indicating a specific event- such as one related to drilling operations or problems. It proves particularly useful to represent this disparate data at once, and in such a manner that the interdependencies between the earth model and drilling operations data are evident and correlated.
The Community of Multimedia Agents project (2003)

Challenges in multimedia analysis are calling for the sharing of research efforts, while in practice collaboration is hindered by technical and proprietary issues. The Community of Multimedia Agents project (COMMA) attempts to solve this problem by creating an open environment for developing, testing, and prototyping multimedia content analysis and annotation methods. Each method is represented as an agent (an executable module) that can communicate with the other agents based on descriptors and description schemes in the coming MPEG-7 standard. This allows multimedia-processing agents developed by different organizations to operate and collaborate with each other, regardless of their programming languages and internal architecture. The researchers can compare the performance of agents and combine them to build more powerful and robust system prototypes. It can also serve as a learning environment for researchers and students to acquire and test cutting edge multimedia analysis algorithms. Through sharing of media agents, the Community can increase efficiency of research while protecting the intellectual property of the inventors.
Detection of backlight images using chrominance (2011)

An image taken under the backlight condition shows that a main object or foreground appears very dark, but a background appears relatively bright since the exposure time of the main object or foreground is relatively shorter than the one of the background due to high luminance from the background. The determination of the backlight image is generally done by luminance histogram analysis since it is believed that the distinct characteristic of the backlight image is a large luminance difference between the foreground and background. However, this conventional detection method may not be adequate for video images since it generally targets on still images. Furthermore, the detection of the backlight image would not be performed well if there are abrupt changes in light, motion, or scenes. Inaccurate detection leads to unnecessary compensation that makes images over-highlighted or flickered, especially when consecutive frames of video have different illumination modes. Since an image taken under normal light conditions may also have the similar luminance characteristics of the backlight image, it would not be sufficient to discriminate between the normal light and backlight image using only luminance information. Therefore, the analysis of chrominance of images is introduced to detect the backlight image more accurately.