gebhart/patrepeval huggingface dataset:
Novel Control Effectors for Truss Braced Wing (2015)

At cruise flight conditions very high aspect ratio/low sweep truss braced wings (TBW) may be subject to design requirements that distinguish them from more highly swept cantilevered wings. High aspect ratio, short chord length and relative thinness of the airfoil sections all contribute to relatively low wing torsional stiffness. This may lead to aeroelastic issues such as aileron reversal and low flutter margins. In order to counteract these issues, high aspect ratio/low sweep wings may need to carry additional high speed control effectors to operate when outboard ailerons are in reversal and/or must carry additional structural weight to enhance torsional stiffness. The novel control effector evaluated in this study is a variable sweep raked wing tip with an aileron control surface. Forward sweep of the tip allows the aileron to align closely with the torsional axis of the wing and operate in a conventional fashion. Aft sweep of the tip creates a large moment arm from the aileron to the wing torsional axis greatly enhancing aileron reversal. The novelty comes from using this enhanced and controllable aileron reversal effect to provide roll control authority by acting as a servo tab and providing roll control through intentional twist of the wing. In this case the reduced torsional stiffness of the wing becomes an advantage to be exploited. The study results show that the novel control effector concept does provide roll control as described, but only for a restricted class of TBW aircraft configurations. For the configuration studied (long range, dual aisle, Mach 0.85 cruise) the novel control effector provides significant benefits including up to 12% reduction in fuel burn.
Rho‐mediated cytoskeletal rearrangement in response to LPA is functionally antagonized by Rac1 and PIP<sub>2</sub> (2004)

G-protein-coupled receptors signal through Rho to induce actin cytoskeletal rearrangement. We previously demonstrated that thrombin stimulates Rho-dependent process retraction and rounding of 1321N1 astrocytoma cells. Surprisingly, while lysophosphatidic acid (LPA) activated RhoA in 1321N1 cells, it failed to produce cell rounding. Thrombin, unlike LPA, decreased Rac1 activity, and activated (GTPase-deficient) Rac1 inhibited thrombin-stimulated cell rounding, while expression of dominant-negative Rac1 promoted LPA-induced rounding. LPA and thrombin receptors appear to differ in coupling to Gi, as LPA but not thrombin-stimulated 1321N1 cell proliferation was pertussis toxin-sensitive. Blocking Gi with pertussis toxin enabled LPA to induce cell rounding and to decrease activated Rac1. These data support the hypothesis that Rac1 and Gi activation antagonize cell rounding. Thrombin and LPA receptors also differentially activated Gq pathways as thrombin but not LPA increased InsP3 formation and reduced phosphatidylinositol 4,5-bisphosphate (PIP2) levels. Microinjection of the plekstrin homology domain of phospholipase C (PLC)delta1, which binds PIP2, enabled LPA to elicit cell rounding, consistent with a requirement for PIP2 reduction. We suggest that Rho-mediated cytoskeletal responses are enhanced by concomitant reductions in cellular levels of PIP2 and Rac1 activation and thus effected only by G-protein-coupled receptors with appropriate subsets of G protein activation.
DETECTION OF SCANS (2000)

Abstract Most automatic parallelizes are based on the detection of independent operations. Dependence analysis is mainly a syntactical process, in which the actual data transformations are ignored. There is another source of parallelism, which relies on semantical information, namely the detection of reductions and scans. Scans and reductions are quite frequent in scientific codes and are implemented efficiently on most parallel computers. We present here a new Scan detector which is based on the normalization of systems of recurrence equations. This allows the detection of scans in loops nests of arbitrary depth and on multi-dimensional arrays, and gives a uniform treatment for scalar reductions, array reductions, and arrays of reductions.
[Transdermal and lymph targeting transfersomes of vincristine]. (2007)

Vincristine (VCR) is mainly used to treat acute lymphocytic leukemia, Hodgkin and non-Hodgkin lymphoma in clinic with definite therapeutic effect. But the obvious neurotoxicity and local stimulation of which limit its clinic use. In order to increase the lymph targeting to enhance the curative effect and to lower the adverse reaction of VCR, the VCR loaded transfersomes (VCR-T) were prepared with dry-film and ultrasonic dispersing methods, and the corresponding pharmaceutical properties, pharmacokinetical characteristics and the targeting ability were studied. The average particle size of VCR-T prepared was 63 nm with an entrapment ratio of 59%. The in vitro transdermal research with modified Franz cell showed that VCR-T permeated through the skin in accordance with polynomial equation, and with an accumulation permeation percentage of 67.4% up to 12 h. An HPLC method was utilized to determine the pharmacokinetics and tissue distribution of VCR. Compared with the iv injection of VCR solution, the retention time of VCR in blood was extended by 12 times with VCR-T, and the targeting index in rat lymph was increased by 2.75 times. As a result, transfersomes could penetrate the skin and enter into the systemic circulation carrying VCR with good lymph targeting ability, which makes it probably a new lymphtic targeting drug delivery system.
Purification and characterization of a ferredoxin from Rhizobium japonicum bacteroids. (1980)

An eight-iron, eight-sulfur ferredoxin from Rhizobium japonicum bacteroids of soybean root nodules has been purified to apparent homogeneity as judged by disc gel electrophoresis. The purification procedure included chromatography on DEAE-cellulose, Bio-Gel P-60, and hydroxylapatite. Specific activities of several purified preparations of bacteroid ferredoxin ranged from 1700 to 1900 nmol of C2H4 produced . min-1 . mg-1 in the reaction mediating electron transfer between illuminated chloroplasts and bacteroid nitrogenase. A molecular weight of 6740 for the protein was determined by low speed sedimentation equilibrium and a molecular weight of 6500 was estimated from the mobility of bacteroid ferredoxin relative to the mobility of standard proteins during sodium dodecyl sulfate disc gel electrophoresis. All of the common amino acids were present except arginine, methionine, and tryptophan. The absorbance spectrum of the oxidized protein exhibited maxima at 285 nm and 380 nm with a shoulder near 305 nm. The A380/A285 ratio was 0.76 and the extinction coefficient at 380 nm for the oxidized protein was found to be 30,800 M-1. Equilibration of bacteroid ferredoxin with methyl viologen at various potentials revealed a midpoint oxidation-reduction potential of -484 mV. Spectrophotometric examination of iron-sulfur clusters extruded from bacteroid ferredoxin with benzenethiol and the transfer of its iron-sulfur clusters to other ferredoxins established the presence of two [4Fe-4S] clusters in a molecule of bacteroid ferredoxin. The EPR spectrum of oxidized ferredoxin consisted of a small signal at g = 2.02 integrating to 0.19 spin/molecule. The EPR spectrum of ferredoxin reduced with 5-deazaflavin exhibited a signal with features at g values of 1.88, 1.94, 2.01, and 2.07, and integrated to 1.7 spins/molecule. The EPR properties of bacteroid ferredoxin are characteristic of a ferredoxin operating between the 1+ and 2+ oxidation levels. Bacteroid ferredoxin mediated electron transfer to clostridial hydrogenase, but was not reduced by the clostridial phosphoroclastic system in the presence of pyruvate. Bacteroid ferredoxin reduced by illuminated 5-deazariboflavin also supported a high rate of C2H2 reduction by bacteroid nitrogenase which was free of Na2S2O4. It was concluded, on this basis, that bacteroid ferredoxin has the capability of functioning as the electron donor for nitrogenase in R. japonicum.
Measurements of central blood vessels in infants and children: Normal values (1992)

In order to provide physicians interpreting vascular radiographic studies with normal data regarding central blood vessel size in children and to facilitate the design and adaptation of intravascular devices for pediatric use, we measured lengths and diameters of central blood vessels in 141 radiographic studies in 136 children. The diameters of the following vessels were determined: right and left internal jugular veins and common carotid arteries; the inferior vena cava and the descending thoracic aorta; right and left iliac veins; and right and left femoral veins and arteries. In addition, the lengths of the inferior vena cava and the descending aorta were also determined. Blood vessel dimensions were highly correlated with age, height, weight, and body surface area. The linear regression equations for each measured dimension against age, weight, height, and surface area are provided, along with a table of predicted vessel size as a function of age.
Residual Stresses in Layered Manufacturing (1999)

Layered Manufacturing processes accumulate residual stresses during materialbuildup. These stresses may cause part warping and layer delamination. This paper presents work done on investigating residual stress accumulation andp(i,rt distortion of Layered Manufactured artifacts. A simple analyticaLmodel was developed and used to determine how the number of layers and the layer thickness influences part warping. Resllits show that thin layers produce lower part deflection as compared with depositing fewer and thicker layers. In addition to the analytical work, a finite element model wasdeveloped and used to illvestigate the deposition pattern's influence on. the part deflection. Finite element model and corresponding experimental analysis showed that the geometry of the deposition pattern significantly affects the resulting part distortion. This finite element model was also used to investigate an inter-layer surface defect,. known as the Christmas Thee Step, that is associated with Shape Deposition Manufacturing. Results indicate that the features of this defect are influenced only by the material deposited close. to the part·surface and the particular material deposited. The step is not affected by the deposition pattern.
Association Between Progressive Retinal Nerve Fiber Layer Loss and Longitudinal Change in Quality of Life in Glaucoma (2015)

Progressive binocular RNFL thickness loss was associated with longitudinal loss in quality of life, even after adjustment for progressive visual field loss. These findings suggest that rates of binocular RNFL change are valid markers for the degree of neural loss in glaucoma with significant relationship to glaucoma-associated disability.
Experimentation and Analysis: SigLab/MATLAB Data Acquisition Experiments for Signals and Systems (2005)

A set of experiments and associated analysis are presented that use Spectral Dynamics' SigLab data acquisition unit and MATLAB. These experiments reinforce ideas in the signals and systems course and related courses, as well as provide additional practice in MATLAB programming and in analysis. Topics include sampling and aliasing, modes, dynamic system modeling, frequency response, discrete Fourier transform, power spectrum, and autocorrelation and cross correlation. One unique feature of these experiments is a significant integration of basic signal processing analysis to explain phenomena and to predict and evaluate measurements. Most or all experiments can be easily adapted so that they can alternatively be performed using the MATLAB Data Acquisition Toolbox and a data acquisition board.
Peering through the Dark (2019)

Shared multi-tenant infrastructures have enabled companies to consolidate workloads and data, increasing data-sharing and cross-organizational re-use of job outputs. This same resource- and work-sharing has also increased the risk of missed deadlines and diverging priorities as recurring jobs and workflows developed by different teams evolve independently. To prevent incidental business disruptions, identifying and managing job dependencies with clarity becomes increasingly important. Owl is a cluster log analysis and visualization tool that (i) extracts and visualizes job dependencies derived from historical job telemetry and data provenance data sets, and (ii) introduces a novel job valuation algorithm estimating the impact of a job on dependent users and jobs. This demonstration showcases Owl's features that can help users identify critical job dependencies and quantify job importance based on jobs' impact.
Handbook of Electric Motors (2010)

Presenting current issues in electric motor design, installation, application, and performance, this second edition serves as the most authoritative and reliable guide to electric motor utilization and assessment in the commercial and industrial sectors. Covering topics ranging from motor energy and efficiency to computer-aided design and equipment selection, this reference assists professionals in all aspects of electric motor maintenance, repair, and optimization. It has been expanded by more than 40 percent to explore the most influential technologies in the field including electronic controls, superconducting generators, recent analytical tools, new computing capabilities, and special purpose motors.
Optical properties of metals (1981)

Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text J. H. Weaver, C. Krafka, D. W. Lynch, and E. E. Koch, "Optical properties of metals," Appl. Opt. 20, 1124_1-1125 (1981) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Progressive Image Transmission: A Review And Comparison Of Techniques (1987)

Progressive image transmission allows an approximate image to be built up quickly and the details to be transmitted progressively through several passes over the image. This technique appears very useful for picture communication over slow channels. This paper presents a survey of progressive image transmission techniques including spatial domain, transform domain, and pyramid-structured approaches. Image coding techniques that are not currently used for progressive transmission, but that have this capability or can be modified to provide progressive transmission, are also identified. The main features, computational complexity, and typical performance are discussed for each technique. Among various approaches, there are always trade-offs between system complexity and performance. Which approach is most appropriate depends upon the application.
VigNet: Grounding Language in Graphics using Frame Semantics (2011)

This paper introduces Vignette Semantics, a lexical semantic theory based on Frame Semantics that represents conceptual and graphical relations. We also describe a lexical resource that implements this theory, VigNet, and its application in text-to-scene generation.
Ionically crosslinked poly(acrylic acid) membranes. I. Wet technique (1979)

Abstract A study has been made of the ionic crosslinking of poly(acrylic acid) membranes for possible applications in dialysis and reverse osmosis. The technique consists of casting a film of poly(acrylic acid) neutralized with sodium hydroxide, followed by immersion in appropriate metal salts (aluminium, zinc, and chromium salts). A qualitative rate model has been developed to guide this synthesis. Since both metal cations and protons in solution compete for the carboxylic acid sites, acid–base properties of the metal and polycarboxylic acid appear to be important for successful membrane formation. The use of a nonsolvent for the polymer in the crosslinking solution was tested and found to give improved membranes under some conditions. The nonsolvents tested were methanol, acetone, benzene, and dimethylformamide, dimethylformamide being the most successful. Crosslinking agents such as the Zn 2+ and Cr 3+ salts were tried but were not as successful as the Al 3+ salts. A series of membranes was synthesized in aluminium/dimethylformamide crosslinking baths under various conditions in order to determine suitable procedures for preparation of membranes.
How Biobased Products Contribute to the Establishment of Sustainable, Phthalate Free, Plasticizers and Coatings (2006)

Biobased components for the development of environmentally friendly, durable products are being described. The potential and versatility of isosorbide diesters as substitutes for the currently phthalate based plasticisers for PVC and other resins, is shown. Also high solid alkyd resins for decorative paints, completely based on commercially available renewable resources are being described. Paints comprising alkyd resins based on inulin or sucrose and unsaturated fatty acids or oils, showed very good gloss, excellent levelling and a low intrinsic viscosity making them suitable to be used in high solid alkyd paints. A new concept was used to prepare effective, cobalt free, drying catalysts for alkyd paint systems. Iron in combination with ascorbic acid (vitamin C), and optionally other ligands, was found to be a very effective drying catalyst.
Role of intrarenal coagulation and anticoagulant therapy in the progression of diabetic nephropathy. (1993)

The aim of the present study was to clarify the role of intrarenal coagulation in the progression of renal dysfunction and to assess the efficacy of anticoagulant therapy in diabetic nephropathy patients. Forty-one diabetic patients were divided into 2 groups: group 1 (G-1), 20 patients with nephropathy; and group 2 (G-2), 21 patients without nephropathy. The levels of fibrinopeptide A (FPA) and fibrinopeptide B beta 15-42 (FPB beta 15-42), fibrin/fibrinogen degradation products-D dimer (FDP-D dimer), and FDP-E products (FDP-E) and FDP, which are sensitive parameters of coagulation and fibrinolysis, were measured by radioimmunoassay, enzyme immunoassay (EIA), and latex photometric immunoassay, respectively, in both the blood and urine. The levels of urinary FPA, FDP-D, FDP-E, and FDP were found to be much higher in G-1 than in G-2. Significant relations were observed among the urinary levels of these four parameters. The renal function in all cases with higher levels of urinary parameters was severely deteriorated. Following heparin administration to these patients, marked reductions of the urinary FPA, FDP-D, and FDP-E and improvement of nephrotic syndrome were observed. The present data suggest that in diabetic nephropathy: (1) intrarenal coagulation is likely to occur and to induce progression of renal dysfunction; and (2) heparin therapy could be effective in diabetic nephropathy when the patients are selected according to the above parameters of coagulation and fibrinolysis.
Application of the strongly coupled-mode theory to integrated optical devices (1987)

A theory for strongly coupled waveguides is discussed and applied to two- and three-waveguide couplers and optical wavelength filters. This theory makes use of an exact analytical relation governing the coupling coefficients and the overlap integrals. It removes almost all of the constraints imposed by a simpler and approximate coupled-mode theory by Marcatili. It also satisfies the energy conservation and the reciprocity theorem self-consistently. We show very good numerical results with the overlap integral as large as 49 percent. The applications to electrooptical modulators, power dividers, power transfer devices, and optical filters are all presented with numerical results.
Influence of Solid-State Packing of Dipolar Merocyanine Dyes on Transistor and Solar Cell Performances (2015)

A series of nine dipolar merocyanine dyes has been studied as organic semiconductors in transistors and solar cells. These dyes exhibited single-crystal packing motifs with different dimensional ordering, which can be correlated to the performance of the studied devices. Hereby, the long-range ordering of the dyes in staircase-like slipped stacks with J-type excitonic coupling favors charge transport and improves solar cell performance. The different morphologies of transistor thin films and solar cell active layers were investigated by UV-vis, AFM, and XRD experiments. Selenium-containing donor-acceptor (D-A) dimethine dye 4 showed the highest hole mobility of 0.08 cm(2) V(-1) s(-1). BHJ solar cells based on dye 4 were optimized by taking advantage of the high crystallinity of the donor material and afforded a PCE of up to 6.2%.
5728 Decreasing Airflow Velocity in Hard Disk Drives with a Spoiler and Bypass (2006)

Airflow changes in a hard disk drive (HDD) with a bypass and a spoiler were clarified by particle image velocimetry (PIV). These analyses show that the spoiler decreases the flow velocity near the arm by decreasing average flow velocity between the disks such as diverging the flow into the bypass channel, and by moving the high-speed-flow area toward the inner-radius area of the disks.
Fracture-Stimulation in the Marcellus Shale—Lessons Learned in Fluid Selection and Execution (2009)

Abstract This paper provides a look-back review of lessons learned from early exploration to the full-scale development phase of the Marcellus shale in Pennsylvania. Fracture stimulation of over 100 wells has resulted in an in-depth understanding of details needed to achieve optimal frac performance. Much of the necessary learning curve is derived from the empirical testing of theory and what many refer to as "trial and error." The ability to evaluate and capture the best practices and develop them into a standing operating procedure (SOP) is one of the most important aspects in development of a new unconventional play. Lessons learned involving fracturing strategies and technologies to date have greatly narrowed the learning curve enabling more rapid advancement toward full-scale development.
QTY code enables design of detergent-free chemokine receptors that retain ligand-binding activities (2018)

Structure and function studies of membrane proteins, particularly G protein-coupled receptors and multipass transmembrane proteins, require detergents. We have devised a simple tool, the QTY code (glutamine, threonine, and tyrosine), for designing hydrophobic domains to become water soluble without detergents. Here we report using the QTY code to systematically replace the hydrophobic amino acids leucine, valine, isoleucine, and phenylalanine in the seven transmembrane α-helices of CCR5, CXCR4, CCR10, and CXCR7. We show that QTY code-designed chemokine receptor variants retain their thermostabilities, α-helical structures, and ligand-binding activities in buffer and 50% human serum. CCR5<sup>QTY</sup>, CXCR4<sup>QTY</sup>, and CXCR7<sup>QTY</sup> also bind to HIV coat protein gp41-120. Despite substantial transmembrane domain changes, the detergent-free QTY variants maintain stable structures and retain their ligand-binding activities. We believe the QTY code will be useful for designing water-soluble variants of membrane proteins and other water-insoluble aggregated proteins.
Présentation (2000)

Le 17 décembre 1999, une journée d’études organisée par le RESSAC a cherché à examiner les termes dans lesquels se pose, en France et aux Etats-Unis, la « question de l’intime ».