gebhart/patrepeval huggingface dataset:
Protection circuit for the matrix converter (2008)

In this paper a protection circuit is presented by which the matrix converter is protected using a free wheeling path available any time. This conducts the load current if necessary, so that the parts of the inverter can not be damaged. With this feature, no complicated commutation strategy and control method are necessary to operate the matrix converter safely. Other advantages arise because a buffer capacitor is not needed for protection. So the size, the weight and the costs of the inverter are reduced.
Object localization using deformable templates (2008)

Object localization refers to the detection, matching and segmentation of objects in\nimages. The localization model presented in this paper relies on deformable templates\nto match objects based on shape alone. The shape structure is captured by a prototype\ntemplate consisting of hand-drawn edges and contours representing the object to be\nlocalized. A multistage, multiresolution algorithm is utilized to reduce the computational\nintensity of the search. The first stage reduces the physical search space dimensions\nusing correlation to determine the regions of interest where a match it likely to occur.\nThe second stage finds approximate matches between the template and target image at\nprogressively finer resolutions, by attracting the template to salient image features using\nEdge Potential Fields. The third stage entails the use of evolutionary optimization to\ndetermine control point placement for a Local Weighted Mean warp, which deforms the\ntemplate to fit the object boundaries. Results are presented for a number of applications,\nshowing the successful localization of various objects. The algorithm’s invariance to\nrotation, scale, translation and moderate shape variation of the target objects is clearly\nillustrated.
THREE-DIMENSIONAL VOLUMETRICS FOR TRACKING VESTIBULAR SCHWANNOMA GROWTH IN NEUROFIBROMATOSIS TYPE II (2008)

Linear measurements underestimate VS growth rate compared with volumetric measures in NF2 patients. These results provide clear, quantitative proof that diameter measures are not as sensitive to change as volumetric measurements and that volumetric measurements should be strongly considered when making VS treatment decisions.
Targeted overexpression of elafin protects mice against cardiac dysfunction and mortality following viral myocarditis (1999)

Serine elastases degrade elastin, stimulate vascular smooth muscle cell migration and proliferation, and are associated with myocardial damage. To evaluate the impact of elastase inhibition on cardiovascular development and disease, transgenic mice were created in which the mouse preproendothelin-1 promoter was used to target elafin overexpression to the cardiovascular system. To distinguish the transgene from endogenous elafin, constructs were made incorporating a FLAG sequence; the COOH-terminus FLAG-tagged elafin construct produced a stable, functionally active gene product and was used to create transgenic mice. Consistent with endothelin expression, abundant elafin mRNA was observed in transgenic F1 embryos (embryonic day 13.5) and in adult transgenic mice heart, trachea, aorta, kidney, lung, and skin, but not in liver, spleen, and intestine. Functional activity of the transgene was confirmed by heightened myocardial elastase inhibitory activity. No tissue abnormalities were detected by light microscopy or elastin content. However, injection of 10 plaque-forming units (PFU) of encephalomyocarditis virus resulted in death within 11 days in 10 out of 12 nontransgenic mice compared with one out of nine transgenic littermates. This reduced mortality was associated with better cardiac function and less myocardial inflammatory damage. Thus, elafin expression may confer a protective advantage in myocarditis and other inflammatory diseases.
A Functional Approach to Leisure Analysis (1961)

A Functional Approach to Leisure Analysis Get access Edward Gross Edward Gross University of Minnesota Search for other works by this author on: Oxford Academic PubMed Google Scholar Social Problems, Volume 9, Issue 1, Summer 1961, Pages 2–8, https://doi.org/10.2307/799417 Published: 07 August 2014
Effects of material and process parameters on void evolution in unidirectional prepreg during vacuum bag-only cure (2019)

Void reduction during composites manufacturing is critical for successful processing. In this study, we perform a parametric study to determine the mechanisms of interply void evolution in unidirectional prepregs during vacuum bag-only cure and to identify the key factors that affect interply air removal. We employ an in situ visualization setup for direct, real-time observation of air removal for prepregs during cure. Results showed that super-ambient dwell at 50℃ effectively promoted interply air removal in unidirectional prepregs, reduced vacuum quality (80% vacuum) had negligible effects on part quality, and that an increase in moisture content of the laminate notably increased void content. Prepreg moisture content was tracked by the inspection of laminate water content at different times during the cure cycle, and the data was combined with a diffusion-based analytical model to predict void size and to improve the understanding of void evolution mechanisms. Results indicated that moisture content of the laminate decreased markedly as cure progressed, providing insights into bubble behavior (expansion and shrinkage) observed during cure. The modified model predictions aligned with experimental data, especially during the second stage, confirming that the observed void growth results from moisture diffusion.
A blood-liquid interface for prolonged extracorporeal oxygenation with excellent antithrombogenicity. (1991)

The authors verified the excellent antithrombogenicity of a blood-liquid interface (BLI) and introduced an oxygenator based on the principle of gas exchange across direct BLI. In a newly developed oxygenator, three layers of liquid flowed horizontally, contacting one another: O2 saturated silicone oil on the top, O2 saturated fluorcarbon at the bottom, and blood in the middle. Gas exchange was carried out across both direct BLIs. This system provided excellent antithrombogenicity as well as good gas exchange. The results indicate that this method will become a promising modality for prolonged extracorporeal oxygenation.
BIFURCATION AND CHAOS IN THE SIMPLEST DISSIPATIVE NON-AUTONOMOUS CIRCUIT (1994)

We present a detailed investigation of the bifurcation and chaos phenomenon associated with the simplest sinusoidally driven dissipative second-order circuit made up of three linear circuit elements and a Chua’s diode. Unlike other non-autonomous second-order chaotic circuits whose nonlinear element is a nonlinear capacitor/inductor, the Chua’s diode of this circuit is a nonlinear resistor, and is therefore simpler from a circuit theoretic point of view. The chaotic dynamics of this circuit is confirmed both by experiments and by computer simulation of the circuit model.
An Artistic Analysis on Robert Frost’s Desert Places (2013)

Desert Places is one of Frost’s dark poems that show the poet’s deep thought about life philosophy and helplessness towards reality. This article analyzes this dark poem from the perspective of elements to show that how these elements work together to reinforce the theme of the poem in order to help readers to have a better understanding about this poem as well as the artistic techniques the author employed to elaborate the life wisdom through image and common settings. The elements include title, setting, imagery, syntax, sound quality, rhyme scheme, rhythm, figures of speech, diction and tone.
Transdermal and Topical Drug Delivery : From Theory to Clinical Practice (2003)

Structure and function of human skin theoretical aspects of transdermal drug delivery experimental design chemical modulation of skin permeation physical and technological modulation of transdermal permeation topical and transdermal formulation clinical principles.
Design of a novel polymeric heart valve (2009)

Polymeric heart valves could offer an optimum alternative to current prostheses, by joining the advantages of mechanical and bioprosthetic valves. Though a number of materials suitable for this application have recently become available, significant improvements in the valve design are still needed. In this paper, a novel polymeric heart valve design is proposed and its optimization procedure, based on the use of finite elements, is described. The design strategy was aimed at reducing the energy absorbed during the operating cycle, resulting in high hydrodynamic performances and reduced stress levels. The efficacy of the design strategy was assessed by comparing the valve dynamics and stress levels predicted numerically during the cycle with those of an existing and well qualified polymeric valve design. The improved hydrodynamic performance of the proposed design was confirmed experimentally, by in vitro testing in a pulse duplicator.
PEG Based Resins for Protease Drug Discovery Synthesis, Screening and Analysis of Combinatorial On-Bead Libraries (2003)

This review will cover the entire hit identification process performed with biocompatible, aqueous solvated, poly[ethylene glycol] (PEG) based resins - from synthesis, through screening, to analysis. The different types of resins (including their preparation) will be discussed and compared individually. Examples of one-bead-one-compound substrate libraries will be presented, as will one-bead-two-compounds libraries used for the discovery of enzyme inhibitors. The review includes a section covering organic and bio-organic reactions performed on all-PEG resins and discusses on-bead screening of the libraries with biomolecules. Finally, analysis of compounds on single beads, either via investigation by on-bead NMR or by ladder-coding of the combinatorial compound is covered. In general, the review will focus on chemistry, libraries, synthesis, screening, and analysis, using all-PEG based resins.
The virulence of salmonella strains for chickens: their excretion by infected chickens (1980)

Inoculated orally, 16 Salmonella typhimurium strains belonging to 12 phage types varied greatly in their ability to kill 1-day-old chickens; variation was noted even between strains of the same phage type. Fourteen strains belonging to 11 food poisoning serotypes other than S. typhimurium were practically non-lethal when examined in this manner. All of them were lethal by the intramuscular route but some were more so than others. Two were more lethal by this route than one of the S. typhimurium strains that was highly lethal when given orally. With age, chickens rapidly became resistant to fatal infection with the food poisoning strains; given orally, a S. typhimurium strain killed 79% of 1-day-old chickens but only 3% of 2-day-old chickens. Of 2 specific poultry pathogenic strains, one, of S. gallinarum, was lethal by oral inoculation to chickens of all ages but the other, of S. pullorum, was only lethal to very young ones. Some salmonella strains, such as those of S. infantis and S. menston, were more efficient at infecting and colonizing the alimentary tract of chickens than were the more virulent S. typhimurium strains, the S. gallinarum and S. pullorum strains and a S. cholerae-suis strain.
The Concentration of Measure Phenomenon (2005)

Concentration functions and inequalities Isoperimetric and functional examples Concentration and geometry Concentration in product spaces Entropy and concentration Transportation cost inequalities Sharp bounds of Gaussian and empirical processes Selected applications References Index.
The Analogue Alternative (2013)

We are in the midst of a digital revolution - until recently, the majority of appliances used in everyday life have been developed with analogue technology. Now, either at home or out and about, we are surrounded by digital technology such as digital 'film', audio systems, computers and telephones. From the late 1940s until the 1970s, analogue technology was a genuine alternative to digital, and the two competing technologies ran parallel with each other. During this period, a community of engineers, scientists, academics and businessmen continued to develop and promote the analogue computer. At the height of the Cold War, this community and its technology met with considerable success in meeting the urgent demand for high speed computing for use in the design and simulation of rockets, aircraft and manned space vehicles. The Analogue Alternative tracks the development, commercialisation and ultimate decline of the electronic analogue computer in the USA and Britain. It examines the roles played by technical, economic and cultural factors in the competition between the alternative technologies, but more importantly, James Small demonstrates that non-technical factors, such as the role of 'military enterprise' and the working practices of analogue engineers, have been the most crucial in analogue's demise.^l This book will be of interest to students of the history and sociology of science and technology, particularly computing. It will also be relevant to those interested in technical change and innovation, and the study of scientific cultures.
Dose Response Analysis of GnRH Stimulation of hCG Release from Human Term Placenta1 (1981)

The release of immunoreactive alpha and beta human chorionic gonadotropin (αhCG andβ hCG) from placental explants in vitro was stimulated by GnRH in a dose-response fashion, but human chorionic somatomammotropin was not affected. The stimulation of αhCG by GnRH (1, 2, or 5 μg/ml) occurred on Days 1–3 of culture, but this increase was dose-related only on Days 2 and 3. A dose-related stimulation of the βhCG release by GnRH was also observed on Days 1, 2, 3, 7, and 8. In addition, increased release of βhCG was effected on Day 4, using the highest dose of GnRH studied (5 μg/ml). The cumulative release of αhCG during the 8 days of culture was not stimulated in a dose-response fashion by GnRH, while the increased cumulative release of βhCG was dose-related.
WSN Based Thermal Modeling: A New Indoor Energy Efficient Solution (2015)

Abstract In this paper, we proposed to use the Efficient Indoor Thermal Time Constant (EITTC) to characterize the indoor thermal response in old buildings. Accordingly, a low cost, energy-efficient, wide-applicable indoor thermal modeling solution is developed by combining Wireless Sensor Network (WSN) and Artificial Neural Network (ANN). Experiments on both prototype and building room showed consistent results that the combination of WSN and ANN can provide accurate indoor thermal models. A linear approximation of these models makes it possible to estimate the EITTC of building room. Statistical computations confirmed these estimations by showing a strong correlation between the model’s predicted EITTC and measured data. Thus the indoor thermal response under different indoor/outdoor conditions can be characterized. Finally, a model based adaptive heating Start/Shut control method is proposed and tested, with which, direct energy saving is achieved.
Nano-mechanical properties of clay-stabilized emulsions (2011)

The growing interest of understanding particle-stabilized emulsions over the last decade is due to its importance in many industrial processes. Here, atomic force microscopy (AFM) was used to investigate the mechanical properties of these emulsions. By immobilising these emulsion droplets on a modified surface, it was possible to extract their stiffness from the resulting force-vs.-indentation curves. The droplet stiffness was found to be dependent on solution ionic strength, but independent of solution pH.
A study of methods for protecting an SCP from overload (1995)

This paper deals with overload control algorithms that should see to that throughput in an service control points (SCP) is kept high, also under severe overload conditions. A couple of basic overload control schemes like random admittance, call gapping and window flow control are examined. We stress that the algorithms should both be efficient and show fairness among a number of SSPs logically connected to the SCP over Signalling System Number 7. Without a proper exchange of load information between the SSPs and the SCP only efficiency can be achieved. To have fairness among the SSPs this exchange of information is necessary
Carrier transport and intersubband population inversion in coupled quantum wells (1993)

We theoretically study the possibility of achieving intersubband population inversion in coupled GaAs quantum wells, taking into account the relevant physical mechanisms of resonant tunneling and intersubband emission-absorption processes. Two coupled quantum well structures having intersubband resonant wavelengths of 10 and 60 μm are considered. We find that, in the case of an operating wavelength of 60 μm, intersubband population inversion is achievable at acceptable injection current densities even for room-temperature operation. However, achievement of intersubband population inversion is significantly more difficult at the shorter wavelength. The temperature and carrier transit time dependence of intersubband population inversion are also calculated.
Context-Sensitive Error Correction: Using Topic Models to Improve OCR (2007)

Modern optical, character recognition software relies on human interaction to correct mis recognized characters. Even though the software often reliably identifies low-confidence output, the simple language and vocabulary models employed are insufficient to automatically correct mistakes. This paper demonstrates that topic models, which automatically detect and represent an article's semantic context, reduces error by 7% over a global word distribution in a simulated OCR correction task. Detecting and leveraging context in this manner is an important step towards improving OCR.
Laser cooling of solids (2008)

Abstract We present an overview of solid‐state optical refrigeration also known as laser cooling in solids by fluorescence upconversion. The idea of cooling a solid‐state optical material by simply shining a laser beam onto it may sound counter intuitive but is rapidly becoming a promising technology for future cryocoolers. We chart the evolution of this science in rare‐earth doped solids and semiconductors.
Study of the Underlayer of a PdPtMn Spin-Valve Film (1998)

We investigated the PdPtMn bottom spin-valve, which had an high resistivity NiFeCr underlayer. The MR ratio of the NiFeCr-underlayer spin-valve became 1.14 times higher than that of a NiFe-underlayer, because the shunt loss of the underlayer was reduced, and the Hua of the pinned layer also became higher. We found by X-ray diffraction that a PdPtMn spin-valve with a Ta/NiFeCr underlayer had a strong (111) texture. Cross-sectional TEM observation revealed that PdPtMn on a NiFeCr underlayer had a larger grain than PdPtMn on a Ta underlayer. The initial layer of the PdPtMn with the NiFeCr underlayer had a stronger (111) orientation than the PdPtMn with the Ta underlayer. To achieve a large Hua, PdPtMn with a (111) texture and large grain size is required. We simulated the R-H curves of the spin-valve in the head shape. The shift in the quiescent operating point on the R-H curve was smaller for an NiFeCr underlayer than for an NiFe one.
Application of Nonbinary LDPC Cycle Codes to MIMO Channels (2008)

In this paper, we investigate the application of nonbinary low-density parity-check (LDPC) cycle codes over Galois field GF(q) to multiple-input multiple-output (MIMO) channels. Two types of LDPC coded systems that employ either joint or separate MIMO detection and channel decoding are considered, depending on the size of the Galois field and the modulation choice. We construct a special class of nonbinary LDPC cycle codes called the parallel sparse encodable (PSE) codes. The PSE code, consisting of a quasi-cyclic (QC) LDPC cycle code and a simple tree code, has the attractive feature that it is not only linearly encodable, but also allows parallel encoding which can reduce the encoding time significantly. We provide a systematic comparison between nonbinary coded systems and binary coded systems in both performance and complexity. Our results show that the proposed nonbinary system employing the PSE code outperforms not only the binary LDPC code specified in the 802.16e standard, but also the optimized binary LDPC code obtained using the EXIT chart methods. Through a detailed complexity analysis, we conclude that for the MIMO channel considered, the nonbinary coded systems achieve a superior performance at a receiver complexity that is comparable to that of the binary systems.
Selective reductions. XII. Explorations in some representative applications of aluminum hydride for selective reductions (1968)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSelective reductions. XII. Explorations in some representative applications of aluminum hydride for selective reductionsNung Min Yoon and Herbert C. BrownCite this: J. Am. Chem. Soc. 1968, 90, 11, 2927–2938Publication Date (Print):May 1, 1968Publication History Published online1 May 2002Published inissue 1 May 1968https://pubs.acs.org/doi/10.1021/ja01013a033https://doi.org/10.1021/ja01013a033research-articleACS PublicationsRequest reuse permissionsArticle Views2315Altmetric-Citations187LEARN 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