gebhart/patrepeval huggingface dataset:
High Gain Equalizing Amplifier Integrated Circuits for a Gigabit Optical Repeater (1985)

Equalizing amplifier circuits for a gigabit optical-fiber transmission system are integrated on two monolithic chips implementing an advanced silicon bipolar process. Several new circuit techniques such as a broad-band 50-/spl Omega/ matching amplifier and an electrically controlled and adjusted peaking technique are employed. It is clarified that the main degradation factors of circuit stability are parasitic capacitance between the input and output terminals, and the crosstalk occuring through the wire bonding inductance. The maximum gain and 3-dB down bandwidth of the equalizing amplifier IC's are 64 dB and 1.2 GHz, respectively. The noise figure obtained is 4.5 dB within the dc to 2-GHz range.
Use of Hypocrea jecorina (Anamorph Trichoderma reesei) as a Model System for Trichoderma Biocontrol of Pythium Blight Identifies New Targets for Genetic Strain Improvement (2004)

Biocontrol by Trichoderma has been studied mainly with selected isolates of T. harzianum, T. atroviride and T. asperellum, which are members of sections Pachybasium and Trichoderma. In contrast, species from section Longibr-achiatum have only rarely been studied. On the other hand, one taxon from this section- Hypocrea jecorina (anamorph: Trichoderma reesei)-has been widely used for the production of cellulolytic and hemicellulolytic enzymes and recombinant proteins. As far as Trichoderma is concerned, molecular genetic methods and tools are most advanced in H. jecorina, and its genome has recently been fully sequenced, thus making this taxon a model organism for the genus. Here we will demonstrate that H. jecorina is able to antagonize plant pathogenic fungi in plate confrontation tests, and can protect tomato and cucumber plants against Pythium ultimum blight. Using this as a model case, we made use of available H. jecorina mutants to investigate (a) whether carbon catabolite repression via the Crel-regulator protein has an impact on biocontrol, and (b) whether cellulase gene expression is necessary for biocontrol of P. ultimum. In the first case, plate confrontation tests and in planta experiments yielded opposite results, i. e. while a Crel mutant was more active in antagonization of fungi on plates, the survival rates of P. ultimum-inoculated cucumber plants was lower than with the H. jecorina wild-type strain. Mutants of H. jecorina, unable to form cellulases, were still able to antagonize fungi on plates and provided similar protection of tomatos against P. ultimum as the wild type, indicating that the pronounced biocontrol ability of H. jecorina against fungi with cellulose-containing cell-walls is not due to its high cellulolytic activity. A strain disrupted in the light-modulator gene envoy (Schmoll et al., ms submitted) exhibited in planta biocontrol activity strongly exceeding that of the wild-type strain, thereby providing a first link between Trichoderma biocontrol and light. In view of the numerous other metabolic and regulatory mutants of H. jecorina available, we suggest that this fungus should increasingly be used in basic studies on the biochemistry and genetics of biocontrol.
The Measurement of the Wear of Tie Rod End Components (2022)

This study aimed to determine the wear intensity of the bearing mating with the ball stud in the tie rod end. The course of the vehicle driving during the period between repairs of the steering assembly was assumed. The modelled scheme of cornering was assumed to be close to the real one. The model of steering mechanism allowing determination of the load of the stud of the tie rod end as a function of the steering angle was elaborated and presented. The model of the ball stud was realized and described. The values of wear intensity for components were calculated and presented.
Comparison of the CAF-DF and SAGE algorithms in multipath channel parameter estimation (2008)

In this paper, performance of the recently proposed cross ambiguity function - direction finding (CAF-DF) technique is compared with the space alternating generalized expectation maximization (SAGE) technique. The CAF-DF, iteratively estimates direction of arrival (DOA), time-delay, Doppler shift and amplitude corresponding to each impinging signal onto an antenna array by utilizing the cross ambiguity function. On synthetic signals, based on Monte Carlo trials, performances of the algorithms are tested in terms of root mean squared error (rMSE) at different signal-to-noise ratios (SNR). Cramer-Rao lower bound is included for statistical comparisons. Simulation results indicate the superior performance of the CAF-DF technique over SAGE technique for low and medium SNR values.
Determining the Single Best Axis for Exercise Repetition Recognition and Counting on SmartWatches (2014)

Due to the exploding costs of chronic diseasesstemming from physical inactivity, wearable sensor systems toenable remote, continuous monitoring of individuals has increasedin popularity. Many research and commercial systems exist inorder to track the activity levels of users from general dailymotion to detailed movements. This work examines this problemfrom the space of smartwatches, using the Samsung GalaxyGear, a commercial device containing an accelerometer and agyroscope, to be used in recognizing physical activity. This workalso shows the sensors and features necessary to enable suchsmartwatches to accurately count, in real-time, the repetitions offree-weight and body-weight exercises. The goal of this work isto try and select only the best single axis for each activity byextracting only the most informative activity-specific features, inorder to minimize computational load and power consumptionin repetition counting. The five activities are incorporated in aworkout routine, and knowing this information, a random forestclassifier is built with average area under the curve (AUC) of: 974, with average accuracy of 93%, in cross validation to identify eachrepetition of a given exercise using all available sensors and AUCof: 950 with accuracy of 89:9% using the single best axis foreach activity alone. Adding a gyroscope with the accelerometerincreased the average AUC from: 968 to: 974, increasing theaccuracy of specific movements as much as 2%. Results show that, while a combination of accelerometer and gyroscope provide thestrongest classification results, often times features extracted froma single, best axis are enough to accurately identify movementsfor a personal training routine, where that axis is often, but notalways, an accelerometer axis.
Renal protective effect of enalapril in diabetic nephropathy. (1992)

Enalapril has an antiproteinuric effect independent of the effect on systemic blood pressure. Treatment with enalapril can reduce the rate of decline in kidney function in patients with diabetic nephropathy more than equally effective antihypertensive treatment with metoprolol. This points to a specific renal protective effect of angiotensin converting enzyme inhibitors in diabetic nephropathy.
Aromatization of 4-carboxybenzene oxide (1974)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAromatization of 4-carboxybenzene oxideJ. David Richardson, Thomas C. Bruice, Sigmund M. Waraszkiewicz, and Glenn A. BerchtoldCite this: J. Org. Chem. 1974, 39, 14, 2088–2091Publication Date (Print):July 1, 1974Publication History Published online1 May 2002Published inissue 1 July 1974https://pubs.acs.org/doi/10.1021/jo00928a025https://doi.org/10.1021/jo00928a025research-articleACS PublicationsRequest reuse permissionsArticle Views63Altmetric-Citations9LEARN 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
Solder transfer technique for flip-chip and electronic assembly applications (1998)

There are numerous applications that could benefit from a capability of providing solder at a stage when it is inconvenient or not possible to be deposited by conventional flip-chip or packaging technology methods. For example, flip-chip solder bumps are usually fabricated as wafers by evaporation or plating, whereas the solder necessary for component attachment is achieved by extruding or stenciling solder paste onto a card. These methods, although well suited for initial fabrication, are not practical at subsequent stages of assembly. However, decals, which consist of solder bumps of any desired configuration and volume deposited onto a nonwettable carrier (e.g., glass, scrap silicon wafers, etc.), can often be utilized as a solder source in these situations. The paper focuses on decal fabrication, solder transfer, potential problem areas, and solutions. Applications of the technology are discussed as well. Among these are restoration and altering composition of flip-chip solder bumps, chip carrier pretinning, wettability testing, and deposition to enable direct chip attach (DCA).
Survey of the year 2004: literature on applications of isothermal titration calorimetry (2005)

The market for commercially available isothermal titration calorimeters continues to grow as new applications and methodologies are developed. Concomitantly the number of users (and abusers) increases dramatically, resulting in a steady increase in the number of publications in which isothermal titration calorimetry (ITC) plays a role. In the present review, we will focus on areas where ITC is making a significant contribution and will highlight some interesting applications of the technique. This overview of papers published in 2004 also discusses current issues of interest in the development of ITC as a tool of choice in the determination of the thermodynamics of molecular recognition and interaction.
Multimodal ranking for image search on community databases (2010)

Searching for relevant images given a query term is an important task in nowadays large-scale community databases. The image ranking approach presented in this work represents an image collection as a graph that is built using a multimodal similarity measure based on visual features and user tags. We perform a random walk on this graph to find the most common images. Further we discuss several scalability issues of the proposed approach and show how in this framework queries can be answered fast. Experimental results validate the effectiveness of the presented algorithm.
Air-stable n-channel organic thin-film transistors with high field-effect mobility based on N,N′-bis(heptafluorobutyl)-3,4:9,10-perylene diimide (2007)

The thin-film transistor characteristics of n-channel organic semiconductor, N,N′-bis(2,2,3,3,4,4,4-heptafluorobutyl)-perylene tetracarboxylic diimide, are described. The slip-stacked face-to-face molecular packing allows a very dense parallel arrangement of the molecules, leading to field-effect mobility as high as 0.72cm2V−1s−1. The mobility only slightly decreased after exposure to air and remained stable for more than 50days. Our results reveal that molecular packing effects such as close stacking of perylene diimide units and segregation effects imparted by the fluorinated side chains are crucial for the air stability.
Development of microglia in mouse neopallial cell cultures (1994)

Microglia develop in cultures initiated from disaggregated neopallial cells of newborn C3H/HeJ mice when the cultures are subjected to nutritional deprivation for 10 or more days (Hao et al: Int J Dev Neurosci 9:1-14, 1991). In the present experiments, the cultures were pulsed with BrdU for 3 hours at different times during incubation and then the cells were immunoreacted with antibodies against BrdU, GFAP, and CR3 receptor. The dividing cells (BrdU+) were found to be either GFAP+ or GFAP-, but not Mac-1+/BrdU+. Infection of proliferating cells after 2 or more days of incubation with replication-deficient retroviral vector containing E. coli lacZ reporter gene resulted in many labeled astroglia cell clones but no labeled microglia. However, when cells were infected right after disaggregation of neopallium, labeled Mac-1+ microglia were found. When Mac-1+ cells in a suspension of disaggregated neopallial cells were killed using complement mediated lysis before setting up the cultures, Mac-1+ microglia developed, in spite of the treatment. We conclude that in cultures initiated from mouse neopallium there are MAC-1-/GFAP- microglia progenitor cells which do not divide in nutritionally deprived cultures but can transform into Mac-1+ microglia under the influence of astroglia-derived trophic factors. Microglia, which become Mac-1+ (i.e., express CR3 receptor), proliferate extensively in the presence of CSF-1 (which is produced by astroglia).
Transporting Compressed Digital Video (2002)

The purpose of Transporting Compressed Digital Video is to introduce fundamental principles and important technologies used in design and analysis of video transport systems for many video applications in digital networks. In the past two decades, progress in digital video processing, transmission, and storage technologies, such as video compression, digital modulation, and digital storage disk, has proceeded at an astounding pace. Digital video compression is a field in which fundamental technologies were motivated and driven by practical applications so that they often lead to many useful advances. Especially, the digital video-compression standards, developed by the Moving Pictures Expert Group (MPEG) of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC), have enabled many successful digital-video applications. These applications range from digital-video disk (DVD) and multimedia CDs on a desktop computer, interactive digital cable television, to digital satellite networks. MPEG has become the most recognized standard for digital video compression. MPEG video is now an integral part of most digital video transmission and storage systems. Nowadays, video compression technologies are being used in almost all modern digital video systems and networks. Not only is video compression equipment being implemented to increase the bandwidth efficiency of communication systems, but video compression also provides innovative solutions to many related vid- networking problems. The subject of Transporting Compressed Digital Video includes several important topics, in particular video buffering, packet scheduling, multiplxing and synchronization
Development of Speech Input System for Web-based Courseware (2000)

ED-MEDIA2000: World Conference on Educational Multimedia, Hypermedia & Telecommunications, June 26 - July 1 , 2000, Montreal, Canada.
Comparison of IL-6-induced STAT1 activation in different responsive cells. (2003)

These results suggest that IL-6-induced STAT1 activation might be associated with growth-inhibitory effects, and our data might help to explain why IL-6 exerts distinct biological effects in different target cells.
Queries as a Source of Lexicalized Commonsense Knowledge (2014)

The role of Web search queries has been demonstrated in the extraction of attributes of instances and classes, or of sets of related instances and their class labels. This paper explores the acquisition of opendomain commonsense knowledge, usually available as factual knowledge, from Web search queries. Similarly to previous work in open-domain information extraction, knowledge extracted from text - in this case, from queries - takes the form of lexicalized assertions associated with open-domain classes. Experimental results indicate that facts extracted from queries complement, and have competitive accuracy levels relative to, facts extracted from Web documents by previous methods.
1‐Deoxy‐1‐phosphatidylethanolamino‐lactitol‐type neoglycolipids serve as acceptors for sialyltransferases from rat liver golgi vesicles (1992)

1-Deoxy-1-phosphatidylethanolamino-lactitols (LacPtdEtns), 1-deoxy-1-phosphatidylethanolamino-sialyllactitols (NeuAcLacPtdEtns) and their corresponding N-acetylated derivatives were synthesized and characterized by fast-atom-bombardment mass spectrometry (FAB MS). The neoglycolipids were used as acceptors for sialyltransferases from rat liver Golgi vesicles. Sialylation rates were as good as or even better than those obtained with the corresponding authentic acceptors lactosylceramide (LacCer) and ganglioside GM3. The sialylation of LacPtdEtns and NeuAcLacPtdEtns yielded sialyl and disialyl compounds, respectively, as shown by FAB MS analysis of the reaction products. The results of competition experiments indicate that the neoglycolipids and the authentic acceptors are sialylated by the same sialyltransferases.
<i>Tropos</i>or<i>Atropos</i>? That is the Question! (2002)

While non-racemic catalysts can generate non-racemic products with or without the non-linear relationship in enantiomeric excesses between catalysts and products, racemic catalysts inherently give only a racemic mixture of chiral products. Racemic catalysts can be enantioselectively evolved into highly activated catalysts by association with chiral activators. Asymmetric activation strategy can produce greater enantiomeric excess in the products, even when using a catalytic amount of chiral activator per chiral or racemic catalysts bearing atropisomeric (atropos: from Greek a meaning not, and tropos meaning turn) ligands, than the enantioselectivity attained by the enantiomerically pure catalyst on its own. Some recent applications of the asymmetric activation catalysis that employ not only atropos and racemic ligands but also tropos ligands without enantiomeric resolution are herein reported. The great success of the asymmetric catalysts with tropos ligands clearly illustrate that chirally rigid atropos ligands can be replaced by chirally flexible tropos ligands to give preferentially the thermodynamically favorable diastereomer of catalysts with higher chiral efficiency than does the minor isomer. The asymmetric activation concept now progress toward the use of racemic but tropos ligands rather than the use of atropos ones.
Genome-Wide Association Study of Blood Pressure Extremes Identifies Variant near UMOD Associated with Hypertension (2010)

Hypertension is a heritable and major contributor to the global burden of disease. The sum of rare and common genetic variants robustly identified so far explain only 1%-2% of the population variation in BP and hypertension. This suggests the existence of more undiscovered common variants. We conducted a genome-wide association study in 1,621 hypertensive cases and 1,699 controls and follow-up validation analyses in 19,845 cases and 16,541 controls using an extreme case-control design. We identified a locus on chromosome 16 in the 5' region of Uromodulin (UMOD; rs13333226, combined P value of 3.6 × 10⁻¹¹). The minor G allele is associated with a lower risk of hypertension (OR [95%CI]: 0.87 [0.84-0.91]), reduced urinary uromodulin excretion, better renal function; and each copy of the G allele is associated with a 7.7% reduction in risk of CVD events after adjusting for age, sex, BMI, and smoking status (H.R. = 0.923, 95% CI 0.860-0.991; p = 0.027). In a subset of 13,446 individuals with estimated glomerular filtration rate (eGFR) measurements, we show that rs13333226 is independently associated with hypertension (unadjusted for eGFR: 0.89 [0.83-0.96], p = 0.004; after eGFR adjustment: 0.89 [0.83-0.96], p = 0.003). In clinical functional studies, we also consistently show the minor G allele is associated with lower urinary uromodulin excretion. The exclusive expression of uromodulin in the thick portion of the ascending limb of Henle suggests a putative role of this variant in hypertension through an effect on sodium homeostasis. The newly discovered UMOD locus for hypertension has the potential to give new insights into the role of uromodulin in BP regulation and to identify novel drugable targets for reducing cardiovascular risk.
Intracellular Delivery of p53 Fused to the Basic Domain of HIV-1 Tat (2004)

p53 is a potent tumor suppressor inactivated in many cancers. In this study, the membrane permeability of the HIV-1 Tat basic domain was exploited to introduce functional p53 into cancer cells. We expressed and purified a p53 fusion protein with the HIV-1 Tat basic domain at its N terminus (Tat-p53), and examined its transduction profile and biological activity in cancer cells. Tat-p53 was efficiently delivered to both the cytoplasm and nucleus of cells, and was transcriptionally active, as judged by the level of p21/WAF1 protein and of p21 promoter activity. Transduction of cells with Tat-p53 resulted in apoptotic cell death in both p53 positive and negative human tumor cell lines. These results suggest that Tat-p53 could be useful in cancer therapy.
Recursive Compressed Sensing (2013)

We introduce a recursive algorithm for performing compressed sensing on streaming data. The approach consists of a) recursive encoding, where we sample the input stream via overlapping windowing and make use of the previous measurement in obtaining the next one, and b) recursive decoding, where the signal estimate from the previous window is utilized in order to achieve faster convergence in an iterative optimization scheme applied to decode the new one. To remove estimation bias, a two-step estimation procedure is proposed comprising support set detection and signal amplitude estimation. Estimation accuracy is enhanced by a non-linear voting method and averaging estimates over multiple windows. We analyze the computational complexity and estimation error, and show that the normalized error variance asymptotically goes to zero for sublinear sparsity. Our simulation results show speed up of an order of magnitude over traditional CS, while obtaining significantly lower reconstruction error under mild conditions on the signal magnitudes and the noise level.