gebhart/patrepeval huggingface dataset:
An investigation on the conduction and convection heat transfer from advanced heat sinks (2008)

In natural convection applications, the components used for cooling may represent a significant portion of the overall weight of the system. Consequently, advanced materials are of interest in such applications, as they may substantially reduce the total size and the weight of the system. Many of these advanced materials have anisotropic thermo physical properties, hence the control of thermal conductivity is crucial. This work is motivated to address the lack of understanding of the use of anisotropic advanced materials in natural convection environments. Numerical simulations are carried out to test the performance of heat sinks made of such materials and comparisons are made with the heat sinks of traditional engineering materials under the same conditions. The results demonstrate that the total weight of the system may be reduced drastically with the use of advanced materials relative to the most commonly used heat sink materials at the same thermal performance. Total resistance, conduction and convection resistances, and a performance related FOM values for each heat sink are presented. It is shown that pyrolytic graphite based heat sinks show the best thermal performance, while Carbon- foam heat sinks offer tremendous performance due to the material's low density.
Far‐Field R‐Wave Reduction with a Novel Lead Design: Experimental and Human Results (2005)

Animal testing results were reproducible in the acute human test setting. The lead reduced the paced FFRW signal amplitudes significantly, allowing for high atrial sensitivity settings but without sensing the FFRW. A robust P-wave signal could be retained.
Selective Dual Duty Cycle Controlled Soft-Switching High Frequency Inverter Using Resonant Capacitor in Parallel with Auxiliary Reverse Blocking Switch (2006)

This paper presents a new ZVS-PWM high frequency inverter with two duty cycle control scheme. Its ZVS operation can be achieved in the whole load setting ranges by using a simple auxiliary reverse blocking switch in parallel with the series compensated resonant capacitor. The operating principle and the operating characteristics of the high frequency inverter circuit treated here were illustrated and evaluated on the basis of simulation results. It is examined that the complete soft switching operation can be achieved even for low power setting by introducing the dual duty cycle control scheme. In the proposed high frequency inverter, the dual mode pulse modulation control strategy of the asymmetrical PWM in the higher power setting and the lower power setting, the output power of this high frequency inverter could introduce in order to extend soft switching operation ranges. A new dual duty cycle PWM is used to provide a wide output power regulation. It is designed for induction heating applications the operation and control principle of the proposed high frequency inverter are described and verified through simulated results.
Relationship between width of greater trochanters and width of iliac wings in tronchanteric bursitis. (2011)

Trochanteric bursitis is a common disorder that is characterized by inflammation of the bursa, superficial to the greater trochanter of the femur, leading to pain in the lateral hip, and often occurs because of acute trauma or repetitive friction involving the iliotibial band, the greater trochanter, and the bursa. In the study reported here, we hypothesized that the increased incidence of bursitis may be the result of the increased prominence of the trochanter in relation to the wings of the iliac crest. Distances between the outermost edges of trochanters and iliac wings were measured in 202 patients from the University of North Carolina Health Care System-101 without a known diagnosis and 101 with a clinical diagnosis of trochanteric bursitis. To determine significance, t tests for nonpaired data were used. Mean (SD) difference between trochanter and iliac wing widths was 28 (20) mm in the group diagnosed with trochanteric bursitis and 17 (18) mm in the control group. The difference between the groups in this regard was significant (P<.00005). In addition, mean (SD) ratio of trochanter widths to iliac wing widths was 1.09 (.06) in the bursitis group and 1.05 (.06) in the control group. The difference between these groups was significant (P<.0005) in this regard as well. Having trochanters wider in relation to iliac wings was associated with the diagnosis of trochanteric bursitis.
Supplementary Methods from Impaired HLA Class I Antigen Processing and Presentation as a Mechanism of Acquired Resistance to Immune Checkpoint Inhibitors in Lung Cancer (2023)

&lt;p&gt;Methods for quantitative immunofluorescence and IFN gamma treatment of PDXs&lt;/p&gt;
How Did We Get Into This Mess? Isolating Fault- Inducing Inputs to SDN Control Software (2013)

Software bugs are inevitable in software-defined networking (SDN) control planes, and troubleshooting is a tedious, time-consuming task. In this paper we discuss how one might improve SDN network troubleshooting by presenting a technique, retrospective causal inference, for automatically identifying a minimal sequence of inputs responsible for triggering a given bug in the control software. Retrospective causal inference works by iteratively pruning inputs from the history of the execution, and coping with divergent histories by reasoning about the functional equivalence of events. We apply retrospective causal inference to three open source SDN control platforms---Floodlight, POX, and NOX---and illustrate how our technique found minimal causal sequences for the bugs we encountered.
ICTV Virus Taxonomy Profile: Solinviviridae (2019)

Solinviviridae is a family of picorna/calici-like viruses with non-segmented, linear, positive-sense RNA genomes of approximately 10-11 kb. Unusually, their capsid proteins are encoded towards the 3'-end of the genome where they can be expressed both from a subgenomic RNA and as an extension of the replication (picorna-like helicase-protease-polymerase) polyprotein. Members of two species within the family infect ants, but related unclassified virus sequences derive from a large variety of insects and other arthropods. This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the Solinviviridae, which is available at www.ictv.global/report/solinviviridae.
Statistical and Evolutionary Analysis of Biological Networks (2009)

A Network Analysis Primer (M P H Stumpf & C Wiuf) Evolutionary Analysis of Protein Interaction Networks (C Wiuf & O Ratmann) Motifs in Biological Networks (F Schreiber & H Schwobbermeyer) Bayesian Analysis of Biological Networks: Clusters, Motifs, Cross-Species Correlations (J Berg & M Lassig) Network Concepts and Epidemiological Models (R R Kao & I Z Kiss) Evolutionary Origin and Consequences of Design Properties of Metabolic Networks (T Pfeiffer & S Bonhoeffer) Protein Interactions from an Evolutionary Perspective (F Pazos & A Valencia) Statistical Null Models for Biological Network Analysis (W P Kelly et al.).
A new head actuator for high frequency band (2002)

Due to the recent improvement of hard disk drives (HDDs) for higher recording and track densities, head actuators have been required to position magnetic heads at higher speed and higher accuracy. Under these circumstances, we developed a head actuator of new type which would suppress the pivot bearing vibration which is an obstacle to accurate positioning of magnetic heads.
Code‐Stream Organization and File Format (2004)

In this chapter, we have presented a brief summary of the JPEG2000 code-stream organization and the JP2 file format. The basic descriptions of markers, marker segments, header and code-stream rules have been introduced in this chapter. Also the concept of using ‘box’ for the JP2 file format has been reviewed in brief. We demonstrated a simple example to illuminate the code-stream organization syntax and the structure of a JP2 file.
The protein-bound uremic solute 3-carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF) increases erythrocyte osmotic fragility through interaction with the mechanosensitive channel Piezo1 (2023)

Abstract Jedi1, a chemical activator of the mechanosensitive cation channel Piezo1, shares structural similarities with the uremic solute 3-carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF). We explored the hypothesis that CMPF at a concentration seen in uremia activates Piezo1 located on red blood cells (RBC). We incubated RBC from five healthy individuals with either Jedi1 or CMPF (both 87 μM), with or without the Piezo1 inhibitor GsMTx-4 (2 μM), and quantified the cells’ osmotic fragility. Our results indicate that compared to controls (i.e., RBC incubated with buffer), both Jedi1 and CMPF increase the osmotic fragility of RBC (i.e., reduce their resistance to osmotic stress). Effects of Jedi1 and CMPF were reversed to the control level by GsMTx-4. These results indicate a role of Piezo1 in augmenting RBC osmotic fragility and modulation of this effect by Jedi1 and CMPF. Our findings open the possibility that CMPF may act as an endogenous chemical activator of Piezo1.
Self-organized growth of zero-, one-, and two-dimensional nanoscale SiC structures by oxygen-enhanced hydrogen plasma sputtering (1999)

A variety of nanoscale SiC structures, in particular the grain, whisker, and flake, displaying, respectively, zero, one, and two dimensions, has been grown by hydrogen plasma sputtering of a SiC target in the presence of a small amount of oxygen. Growth of the different nanoscale structures takes place by various mechanisms. The SiC whiskers are initiated by SiO2 seed crystals in the SiC film matrix at temperatures around 700 °C. On the other hand, the grains and flakes are separated by insertions of amorphous and graphitic carbon in the films at higher temperatures, around 950 °C. Both these processes result from the reaction of oxygen with the growing SiC film.
Olympic Ring Formation from Newly Prepared Barium Hexaferrite Nanoparticle Suspension (1999)

We report here, the first observation of features such as the Olympic Rings on transmission electron micrographs of amorphous BaFe12O19 nanoparticles prepared by a sonochemical decomposition technique. The barium hexaferrite was formed as a colloidal solution without the use of a surfactant. Rings of smaller dimensions trapped inside the larger ones was another unique observation. The intersection of two rings is amazing, as this is in direct contradiction to the proposed mechanism for the ring formation, based on the dry hole formation on an evaporating thin film completely wetted to the substrate. The creation of this unique feature is attributed to the interplay of magnetic forces with the regular particle−substrate interactions.
Readiness of SiC MOSFETs for Aerospace and Industrial Applications (2016)

This paper highlights ongoing efforts to validate performance, reliability and robustness of GE SiC MOSFETs for Aerospace and Industrial applications. After summarizing ruggedness and reliability testing performed on 1.2kV MOSFETs, two application examples are highlighted. The first demonstrates the 1.2kV device performance in a prototype high frequency 75kW Aviation motor drive. The second highlights the experimental demonstration of a 99% efficient 1.0MW solar inverter using 1.7kV MOSFET modules in a two-level topology switching at 8kHz. Both applications illustrate that SiC advantage is not only in improved performance, but also in significant system cost savings through simplifications in topology, controls, cooling and filtering.
12-ns Frequency Chirped Pulse for Self-Calibrated Gas Sensing (2020)

We present the generation of 12.1 ns frequency chirped pulses from a distributed feedback laser diode via injection current modulation and demonstrate its application to absorption-based methane sensing at 1650.9 nm. The chirp spectral distribution is found to be significantly impacted by the transient dynamics of these short pulses. A simplified, two-part model is used to evaluate the chirp property, suggesting spectral mixing and oscillation. The chirp enables intra-pulse self-calibrated gas sensing by taking the amplitude ratio between the absorption peak and a reference, which is demonstrated for methane concentrations from 0 to 22.6% with a detection limit of 25 ppm. It also provides resistance to power fluctuation from various sources. These short pulses offer high spatial and temporal resolution and can potentially enable reflection-based, highly multiplexed gas sensing systems.
Modular synthesis of functional polymer nanoparticles from a versatile platform based on poly(pentafluorophenylmethacrylate) (2016)

Control of functionalities in polymer nanoparticles (PNPs) is important for their application. Thus, there is an interest for well-defined nanoparticle platforms to which desired functions could readily, and in modular fashion, be imparted. Herein, we report an amine-reactive PNP platform for the modular synthesis of functional PNPs from poly(pentafluorophenylmethacrylate) (poly(PFPMA)) through a simple substitution/nanoprecipitation/photo-crosslinking strategy. Substitution of amine containing coumarin into poly(PFPMA) allows for the achievement of structural stability of nanoprecipitated particles through photo-crosslinking after nanoprecipitation, making it possible to carry out subsequent chemical transformations in organic solvents if needed. We demonstrate that various small molecules and an amine-terminated polymer could be used to modify the crosslinked PNPs to endow them with various functions including fluorescence and responsiveness to temperature changes. The functional PNPs were characterized with variable temperature dynamic light scattering (DLS), UV–vis, and photoluminescence (PL) spectroscopy, and transmission electron microscopy (TEM). © 2016 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2016, 54, 1895–1901
A New Class of Solvents for TRU Dissolution and Separation: Ionic Liquids (2003)

No abstract prepared.
An AGC design of mobile cellular systems (2005)

This paper studies an automatic gain control (AGC) algorithm used in mobile cellular systems. The AGC design includes the determination of the precision of quantizer and a circuit to keep the input power of quantizer constant to minimize the quantization noise generated from the analog-to-digital conversion process. The proposed algorithm illustrates the method to determine the required precision of quantizer and to set the design parameters of the AGC in a mobile cellular system. The validity of the proposed algorithm is verified by computer simulation.
Recent research and progress in photonic devices and materials (2002)

Due to the rapid progress in materials science over the two last decades, many important results have been obtained for photonic materials and new photonic devices have been demonstrated. In this review, we briefly describe results which have been published over the last ten years and results which will influence the future. We concentrate our review on polymers and semiconductor materials. We have excluded optical properties which are based on only manipulations of nanostructures with two exceptions: porous silicon and quantum well infrared detectors. For polymers, we discuss electroluminescence, linear and nonlinear phenomena, photochromism, liquid crystal electro-optics and polymer optical waveguides. Polymers have many advantages, but also disadvantages which motivate us to cover other research directions for photonic materials, such as erbium doped materials, porous silicon, II-VI wide bandgap and nitride based semiconductor materials. We finish this review with a discussion on infrared technology to emphasis also the importance of packaging for photonic devices.
The Development of Gear Tooth Micro Geometry Analysis Method for the Transmission Gear Noise Robustness (2019)

&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Transmission error has been well known as the main source of excitation about transmission gear whine noise. To minimize transmission error in the gear system, various analysis methods have been studied and applied for long time. Many researchers were focused on gear micro geometry to achieve the low level of transmission error. But, if the gear is misaligned by several factors such as clearance and manufacturing tolerance error, then the gear noise can rapidly and unexpectedly be increased.&lt;/div&gt;&lt;div class="htmlview paragraph"&gt;To overcome this problem, this new analysis method has been developed and introduced.&lt;/div&gt;&lt;div class="htmlview paragraph"&gt;A transmission system simulation model was constructed, which considers various factors of transmission components such as clearance, stiffness and so on. The deformation and vibration characteristics of finite element models were validated by making comparison with frequency response function experiment.&lt;/div&gt;&lt;div class="htmlview paragraph"&gt;Through the Placket-Burman screening method, the lead slope was found out one of the most sensitive factor for the transmission error. Full factorial combination analysis for the lead slope was performed under the various driving conditions. As a result, the transmission error distribution map according to the gear tooth modifications and various torque conditions was introduced. The transmission error map proposed by this analysis could make it easy to find the correction of gear micro geometry which is robust to noise.&lt;/div&gt;&lt;div class="htmlview paragraph"&gt;After all, vibration distribution of new planetary gear could result in 5dB reduction compared to former transmission. Hyundai-Motors 8 speed automatic transmission was developed successfully by using this new analysis method.&lt;/div&gt;&lt;/div&gt;
Tuning Color, Contrast, and Redox Stability in High Gap Cathodically Coloring Electrochromic Polymers (2016)

The design of high bandgap electrochromic polymers (ECPs) that switch from a high energy absorbing colored state to a near-IR absorbing colorless state requires a challenging balance to be struck between achieving large changes in the absorption profile while maintaining sufficiently low oxidation potentials for use in full-color electrochromic devices. Previous studies on high bandgap ECPs have investigated structure–property relationships in dioxythiophenes copolymerized with various arylenes. Here, we expand this understanding by looking more closely at the effect of the dioxythiophene moiety as well as by varying the substituents on the arylene moiety. Three ECPs have been synthesized to perform this study with repeat units composed of electron-rich dimethoxyphenylene in alternation with dimers of 3,4-dialkoxy- and 3,4-propylenedioxythiophenes, yielding high gap polymers that are vibrant yellow or orange in the charge neutral state. Comparing these newly synthesized polymers to a structurally similar set previously reported, we elucidate the subtle steric and electronic effects that govern bandgap and redox properties in dioxythiophene copolymers.
Spatiotemporal Aspects of Engagement during Dialogic Storytelling Child–Robot Interaction (2017)

The success of robotic agents in close proximity of humans depends on their capacity to engage in social interactions and maintain these interactions over periods of time that are suitable for learning. A critical requirement is the ability to modify the behaviour of the robot contingently to the attentional and social cues signalled by the human. A benchmark challenge for an engaging social robot is that of storytelling. In this paper, we present an exploratory study to investigate dialogic storytelling -- storytelling with contingent responses -- using a child-friendly robot. The aim of the study was to develop an engaging storytelling robot and to develop metrics for evaluating engagement. Ten children listened to an illustrated story told by a social robot during a science fair. The responses of the robot were adapted during the interaction based on the children's engagement and touches of the pictures displayed by the robot on a tablet embedded in its torso. During the interaction the robot responded contingently to the child, but only when the robot invited the child to interact. We describe the robot architecture used to implement dialogic storytelling and evaluate the quality of human-robot interaction based on temporal (patterns of touch, touch duration) and spatial (motions in the space surrounding the robot) metrics. We introduce a novel visualization that emphasizes the temporal dynamics of the interaction, and analyse the motions of the children in the space surrounding the robot. The study demonstrates that the interaction through invited contingent responses succeeded in engaging children, although the robot missed some opportunities for contingent interaction and the children had to adapt to the task. We conclude that i) the consideration of both temporal and spatial attributes is fundamental for establishing metrics to estimate levels of engagement in real-time, ii) metrics for engagement are sensitive to both the group and individual, and iii) a robot's sequential mode of interaction can facilitate engagement, despite some social events being ignored by the robot.
Introduction to Processing (2012)

No AccessMaterials Science of Polymers for EngineersSep 2012Introduction to ProcessingTim A. Osswald and Georg MengesTim A. Osswald and Georg Mengeshttps://doi.org/10.3139/9781569905241.006SectionsAboutPDF ToolsAdd to FavoritesDownload CitationTrack CitationsCopy LTI LinkPDF ShareFacebookTwitterEmailLinkedIn previous chapternext chapter FiguresReferencesRelatedDetails 2012Pages: 161-262Print ISBN: 978-1-56990-514-2eISBN: 978-1-56990-524-1 Copyright & Permissions© 2012 Carl Hanser Verlag GmbH & Co. KGPDF downloadLoading ...
General purpose evolutionary algorithm testbed (2009)

The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file.
Sleeve Gastrectomy Increases Colitis-Associated Colon Tumor Growth Independent of Diet (2022)

INTRODUCTION: We have previously found that sleeve gastrectomy (SG) causes increased numbers of tumors in a diet-induced obesity mouse model of colitis-associated cancer (CAC). Here we examine the effects of SG on CAC in lean mice fed a regular diet. METHODS: Twelve-week-old lean C57BL/6J mice were maintained on a normal chow diet and randomized to SG or sham operation. Five weeks postoperatively, CAC was established via one-time injection of azoxymethane (AOM) followed by 2-week-long periods of dextran sulfate sodium (DSS) administration. Colitis severity was scored from 0 to 12 by measuring weight loss, stool consistency, and hematochezia. The number of colonic tumors and total tumor surface area were measured at sacrifice 46 days after DSS and compared using Welch’s t-test. RESULTS: CAC tumors were significantly larger in lean SG mice compared with sham (0.67 cm2 vs 0.29 cm2; p = 0.046; Figs. 1A, 1B). However, lean SG mice developed similar levels of colitis as sham (maximum colitis severity 4.7 vs 4.1; data not shown) and similar numbers of tumors (4.4 vs 3.6; p = 0.61; Fig. 1C). In contrast, in obese mice, SG leads to increased tumor numbers (5.5 vs 1.4; p = 0.0003; Fig. 1D) as well as increased colitis severity and larger tumors (data not shown).Figure 1CONCLUSION: SG increases tumor size in a mouse CAC model independent of diet and obesity. SG-induced increases in tumor number and colitis severity are present in diet-induced obese but not lean mice. These data suggest that surgery, diet, and obesity have distinct roles in colon cancer initiation and growth.