gebhart/patrepeval huggingface dataset:
1.25Gb/s auto-gain control transimpedance amplifier with high sensitivity and wide dynamic range for the burst-mode optical receiver using a 0.18um CMOS technology (2003)

We designed a 1.25Gb/s preamplifier with high sensitivity in burst-mode optical receiver for the Ethernet PON system. By using our design, the receiver of -29dBm sensitivity and -8dBm overload is available at 1.25Gb/s optical input data.
Imaging Correlography With Sparse Arrays Of Detectors (1988)

Imaging correlography is a technique for constructing high resolution images of laser-illuminated objects from measurements of back-scattered (nonimaged) laser speckle intensity patterns. In this paper, we investigate the possibility of implementing an imaging correlography system with sparse arrays of intensity detectors. The theory underlying the image formation process for imaging correlography is reviewed, emphasizing the spatial filtering effects that sparse collecting apertures have on the reconstructed imagery. We then demonstrate image recovery with sparse arrays of intensity detectors through the use of computer experiments in which laser speckle measurements are digitally simulated. It is shown that the quality of imagery reconstructed using this technique is visibly enhanced when appropriate filtering techniques are applied. The signal-to-noise ratio of the process and its dependency on array redundancy and number of speckle pattern measurements is also discussed.
A self-mixing displacement sensor compensating parasitic vibration with a MEMs accelerometer (2011)

A self-mixing (SM) laser diode displacement sensor coupled with a microelectromechanical system (MEMS) accelerometer with improved resolution is presented that allows reliable displacement measurements even in the presence of parasitic vibrations acting on the laser head. This sensing system presents a six-fold improvement in the measurement resolution (40nm rms) as compared to a previously published accelerometer coupled SM sensor (267nm rms). The present system resolution of 40nm rms is dictated by (1) the noise characteristics of present accelerometer and (2) the λ/16 resolution of present SM displacement reconstruction algorithm, where λ=laser wavelength. This technique thus paves the way for the use of high-resolution SM-based sensors for embedded applications in industrial conditions.
Characterization of Interactions in Aqueous Solutions of Hydroxyethylcellulose and Its Hydrophobically Modified Analogue in the Presence of a Cyclodextrin Derivative (2006)

The formation of associative networks in semidilute aqueous solutions of hydrophobically modified hydroxyethylcellulose (HM-HEC) is dependent on intermolecular hydrophobic interactions. Addition of hydroxypropyl-beta-cyclodextrin (HP-beta-CD) monomers to the system provides decoupling of these associations via inclusion complex formation with the polymer hydrophobic tails. Results from viscosity, polymer NMR self-diffusion, and dynamic light scattering (DLS) measurements show that the hydrophobic interactions in HM-HEC solutions are effectively suppressed when the level of HP-beta-CD addition increases. Small-angle neutron scattering (SANS) results reveal that the large-scale association complexes in HM-HEC solutions are strongly diminished when the concentration of HP-beta-CD rises. The time correlation data obtained from the DLS experiments unveiled the existence of two relaxation modes: one single exponential at short times followed by a stretched exponential at longer times. The fast mode is always diffusive, whereas the slow mode exhibits progressively stronger wavevector dependence as the intensity of the hydrophobic interactions increases. This feature, as well as the accompanying drop of the stretched exponential beta as the HP-beta-CD concentration decreases, is attributed to enhanced hydrophobic interactions and can be well rationalized in the framework of the coupling model of Ngai.
Indirect Four-Leg Matrix Converter Based on Robust Adaptive Back-Stepping Control (2010)

A new method using adaptive sliding mode back-stepping control is presented for indirect four-leg matrix converter. It is robust against uncertain loads and control input disturbance due to the interaction between input filter and matrix converter. The input currents are analyzed under unbalanced and nonlinear loads, which helps to design a proper input filter to attenuate the harmonics flowing into power grid. A varying period carrier-based modulation is introduced to indirect four-leg matrix converter which makes it easier to implement. Both simulations and experimental results verify the feasibility of the proposed method.
원보 ; 해당화 뿌리의 성분 연구 (1986)

From the Roots of Rosa rugosa Thunb., which were used for diabetes as folkloric remedy, quercetin was isolated and identified by chemical spectral analysis and direct comparison with authentic sample.
Reliability of Histopathologic Diagnosis of Cervical Intraepithelial Neoplasia (1982)

A study was designed to measure the inter-pathologist consistency of histopathologic diagnosis of cervical intraepithelial neoplasia (CIN) among four pathologists. Intra-pathologist reliability over time was also determined. Between-pathologist comparisons resulted in agreement only 50% of the time; however, 81% of pairs were within one CIN grade of each other. Seventy-one percent of first and second diagnoses of the same pathologist were identical and 93% of pairs were within one CIN grade. In seven cases, however, pairs of evaluations of the same slide were remarkably disparate, two considered normal and CIN III by the same pathologist at different times. The findings of this study, using the CIN grading system, are consistent with other studies using different classification schemes. Inconsistency of diagnoses and discrepancies between pathologists must be considered when conservative therapy is elected for a patient with cervical intraepithelial neoplasia.
A noddy (1864)

Journal Article A noddy Get access A. T. L. A. T. L. Search for other works by this author on: Oxford Academic Google Scholar Notes and Queries, Volume s3-VI, Issue 135, 30 July 1864, Page 91, https://doi.org/10.1093/nq/s3-VI.135.91d Published: 30 July 1864
A Survey of Magnetic Amplifiers (1955)

This paper was written to present the subject of magnetic amplifiers to those scientists and engineers who have not had an opportunity to observe the progress which has taken place in this field. No detailed technical discussions have been attempted and many aspects of magnetic amplifier operation and applications are only briefly mentioned. The basic operation, along with certain fundamental circuits which represent present and potential applications, are discussed with the view in mind of indicating to the reader the range and usefulness of magnetic amplifiers.
A New Voice Recognition Topology Based on the Human Auditory Cortex (2006)

Human brain consists of 4 lobes where each lobe has a special task. Each lobe is divided into several cortexes each of them constructed of millions of neurons. The brain functionality depends on these neurons and their interconnections. One of these cortexes is auditory cortex which is constructed of 6 layers and deals with the processing of auditory information transmitted from ear to the brain. The artificial neural network presented in this paper consisting of four modular parts recognizes the frequency of the human voice. The first part of the network eliminates frequencies which have weak intensities. The second part recognizes the pitch or the first harmony of the voice. The third part prepares inputs based on other harmonies of the frequency for the last part, and the last part which is an associative memory neural network, maps the input set to a desire output set.
Plasma Spraying of Functionally Graded NiCrAIY/Yttria Stabilized Zirconia Coatings Using Pre-Alloyed Powders (1997)

Abstract Pre-alloyed, plasma spheroidized powders were used as feedstock in the plasma spraying of functionally graded ZrO2/NiCrAlY coatings. The advantage of using pre-alloyed powders was to ensure chemical homogeneity and promote uniform density along the graded layers, and these pre-alloyed powders could be successfully used to prepare the different inter-layers of functionally graded coatings. The microstructure, density and microhardness changed gradiently in the ZrO2/NiCrAlY coatings. The bond strength of ZrO2/NiCrAlY coatings with different graded layers was measured. Results showed that for as-sprayed coatings with the same thickness, the bond strength increased with the number of graded layers. The bond strength of the coatings with five graded layers was about twice as high as that of the duplex coatings because of the significant reduction of the residual stress in the coatings. Experimental results also showed that the bond strength of as-sprayed coating increased significantly after hot isostatic press (HIP) and vacuum heat treatments, and the reason can be attributed to the densification of the microstructure, the decrease of defects in the coatings, inter-diffusion between layers and further reduction in the residual thermal stress.
Data Security for Cloud Computing based on Elliptic Curve Integrated Encryption Scheme (ECIES) and Modified Identity based Cryptography (MIBC) (2016)

Companies tends towards more availability, less cost, managed risk-all of which are providing by cloud computing. The cloud computing is a way to deliver IT services on demand and pay per usage, and it can stores huge amount of data. But until now many companies don't wish to use the cloud computing technology due to concerns about data secrecy and protection. This paper aims to provide a secure, effective, and flexible method to improve data security in cloud computing. The test results show that the key generation complexity will decrease and not need to certificate issued because the use of MIBC, also the use of ECIES provides data confidentiality and data integrity.
Synthesis and characterization of a sulfated and a non‐sulfated cyclic CCK8 analogue functionalized with a chelating group for metal labelling (2003)

Two cyclic peptides, cyclo29,34[Dpr29, Lys34(DTPA-Glu)]-CCK8 (1) and cyclo29,34[Tyr27(SO3H), Dpr29, Lys34(DTPA-Glu)]-CCK8 (2), bearing the chelating moiety DTPA-Glu covalently bound to the Lys side chain have been synthesized by solid-phase methodology. The presence in compound 2 of many acidic functions characteristic of the chelating agent increases the lability of the sulfate group on the Tyr side chain. This finding suggests that prolonged acid treatments should be avoided during the preparation of such peptides. Sulfation of cyclo29,34[Dpr29, Lys34(DTPA-Glu)]-CCK8 was performed using a pyridine-SO3 complex as reagent. This reaction has been found to be the most suitable synthetic strategy for obtaining compound 2 in good yield. Cyclo29,34[Tyr27(SO3H), Dpr29, Lys34(DTPA-Glu)]-CCK8 is a new promising CCK8 analogue, able to coordinate radioactive isotopes of metal ions such as 111In(III), and to bind, in a selective way, the CCKA-R receptor.
The C3(1)/SV40 T Antigen Transgenic Mouse Model of Prostate and Mammary Cancer (1998)

PREVIOUS ARTICLEXVI International Symposium of the Society of Toxicologic Pathologists: Poster Abstracts
Heteropolynuclear Gold Complexes with Metallophilic Interactions: Modulation of the Luminescent Properties (2010)

Metalloligands of stoichiometry [AuCl(P-N)] have been obtained by the reaction of the heterofunctional phosphines P-N = PPh(2)py, PPh(2)CH(2)CH(2)py, or PPhpy(2) with [AuCl(tht)] (tht = tetrahydrothiophene). Reactions of these metalloligands with several metal compounds have afforded heteropolynuclear species which exhibit luminescent properties. The stoichiometries depend on the molar ratio and the heterometal. Thus, the reaction with [Cu(NCMe)(4)](+) in a molar ratio 2:1 gives the trinuclear compounds [Au(2)CuCl(2)(P-N)(2)](+), in which the structure and Au···Cu interactions depend on the phosphine ligand. With rhodium and iridium derivatives the reactivity is different leading to complexes of the type [AuMCl(2)(cod)(P-N)] for P-N = PPh(2)py, PPhpy(2), and [Au(2)M(2)Cl(cod)(2)(P-N)(2)]Cl with PPh(2)CH(2)CH(2)py. Using [MCl(2)(NCPh)(2)] (M = Pd, Pt) in a 2:1 molar ratio yields [Au(2)MCl(4)(P-N)(2)] and in a 1:1 molar ratio [AuPdCl(3)(μ(3)-PPhpy(2))]. Several compounds have been characterized by X-ray diffraction showing in many cases short Au···M distances. The luminescence of these derivatives has been studied. The metalloligands display bands assigned to intraligand (IL) transitions. For the bimetallic (Au/M) systems the luminescence depends on the heterometal present and on the metallophilic interactions. The most important excitations in the relevant energy range were assigned essentially a MMLCT character (from Rh/Ir and Au to ligands) based on density functional theory (DFT) calculations in selected complexes. The luminescence behavior in Rh/Ir [AuMCl(2)(cod)(PPh(2)py)] complexes was interpreted on the basis of the different nature of the half occupied orbitals in the triplet state.
Second EcoRI fragment of F capable of self-replication (1979)

The cloning of fragments of F' plasmid deoxyribonucleic acid produced by restriction endonuclease EcoRI has revealed that fragment f7, not previously suspected to have replicative properties, is able to replicate autonomously. The ability of f7 to replicate was observed when it was cloned with fragments coding for resistance to either kanamycin or streptomycin and sulfonamide. Such f7 miniplasmids have been obtained from an F'lac+ and two F'gal+ temperature-sensitive mutant plasmids and from the unmutated F plasmid. Plasmids containing both f5 and f7 fragments were also obtained. Expression of resistance to "female-specific" bacteriophages requires that f5 and f7 be present in the same plasmid since cells containing separate f5 and f7 plasmids are not resistant to bacteriophage phi II. f7 plasmids were less stable than miniplasmids containing f5, particularly at fast growth rates. The bearing of these results on the isolation and behavior of temperature-sensitive F mutants is discussed.
Synthesis and study of substituted coumarins. A facile preparation of D,L‐<i>o</i>‐tyrosine (1986)

Abstract A general procedure for the preparation of aminocoumarins and aminohydroxycoumarins under mild conditions is described. Amino‐ and acetamidoaminocoumarins were prepared by reduction of the corresponding nitro derivatives with sodium borohydride in the presence of 10% palladium on charcoal. Acid hydrolysis of the acetamidoaminocoumarins with (a) concentrated hydrochloric acid in ethanol, or (b) with 1 N hydrochloric acid under reflux, gave diaminocoumarins and aminohydroxycoumarins, respectively. Condensation of the ethyl ester of glycine with salicylaldehyde gave 3‐salicylideneaminocoumarin (XIII), the Schiff base of 3‐aminocoumarin (XII). Acid hydrolysis of XIII under the above mentioned conditions, (a) and (b), gave XII and 3‐hydroxycoumarin (XVI), respectively. Hydrogenation of compound XIII in dioxane or in dimethylformamide with 10% palladium on charcoal gave 3‐salicylaminocoumarin (XVII), while hydrogenation of XII, XIII or XVII in acetic acid with traces of water and palladium black gave the amino acid o ‐tyrosine.
Strategy for sampling Hanford Site tank wastes for development of disposal technology (1994)

This document explains the tank waste sampling strategy needed to obtain the information required to identify and develop pretreatment and waste immobilization processes. The key tenet of the strategy is that process testing with real waste material from the Hanford Site underground tanks is necessary to design processes and measure their effectiveness. This document provides the criteria for selection of the limited number of tanks to be sampled. A phased, iterative approach is used for the single-shell tank (SST) waste sampling. In the first sampling phase, samples are taken from 25 tanks which provide a good representation of the waste types of interest. Results from process testing of these samples will be considered in final selection of a limited number of additional SSTs to sample (currently expected to be an additional 14 tanks).
Characterization of N-Methyl-N-Butylpyrrolidinium Bis(trifluoromethanesulfonyl)imide-LiTFSI-Tetra(ethylene glycol) Dimethyl Ether Mixtures as a Li Metal Cell Electrolyte (2008)

We have employed tetra(ethylene glycol)dimethyl ether (TEGDME) as a polymer solvent in mixed electrolytes composed of -methyl--butyl pyrrolidinium bis(trifluoromethanesulfonyl)imide , LiTFSI, and TEGDME and characterized their physical and electrochemical properties as well as the cyclability of cells with LiTFSI TEGDME electrolyte. The addition of the TEGDME polymer solvent to the TEGDME mixtures resulted in a significant enhancement of ionic conductivity, particularly at lower temperatures. Interfacial impedance and galvanostatic Li cycling measurements show that the TEGDME ternary mixture exhibits excellent compatibility with Li metal electrodes. The use of the ternary mixture as an electrolyte in a cell provided good charge and discharge capability of the cell at room temperature with a discharge capacity of sulfur at and at low temperature with a discharge capacity of about sulfur at for the first cycle, respectively (theoretical specific capacity sulfur). In addition, the cell tested at exhibited a stable cyclability after the , with a discharge capacity of sulfur for the .
Psychopharmacology, Ethnicity and Culture (1995)

Des differences transculturelles existent dans les besoins du dosage et dans les effets secondaires des diverses medications psychotropes. Les AA. mettent a jour la litterature sur la variation ethnoculturelle en psychopharmacologie et sur son role en psychiatrie transculturelle. Si le metabolisme explique les differences, des facteurs plus directement lies a la culture (conformite du traitement, placebo et les orientations des medecins) influencent aussi les reactions aux drogues psychotropes
Sodium valproate or valproate semisodium: is there a difference in the treatment of bipolar disorder? (2003)

The ‘off licence’ use of drugs is common in the UK. One such use is the treatment of bipolar disorder with sodium valproate. This paper reviews the evidence for using the licensed alternative, valproate semisodium, under the headings of licence, efficacy, pharmacokinetics and tolerability.
Self-stabilizing, integrated, hysteretic boost DC-DC converter (2005)

In portable, battery-powered applications, integration of switching DC-DC converters is crucial to reap maximum benefits in size, cost, and design ease. The frequency compensation circuit, whose design varies with off-chip, passive filter (L-C) components, forms a critical hurdle to obtaining a fully integrated solution. Surveying state-of-the-art control techniques in literature, hysteretic control in buck converters, which in a single loop, controls inductor current ripple indirectly while regulating the output voltage, is observed to be the simplest, fastest, and needing no compensation circuit, thus being best suitable for integration. However, the technique is not readily applied to boost converters. This paper proposes a novel technique to harness voltage-mode hysteretic control in boost converters by controlling inductor current and output voltage through separate loops. The proposed circuit designed for V/sub IN/=1.2 V (nom), V/sub out/=3.3 V /spl plusmn/5%, I/sub out/=0.1 to 1 A shows excellent voltage regulation and transient response (/spl plusmn/150 mV), without the use of any compensation circuit.
Combinatorial and high-throughput approaches in polymer science (2004)

A review. Progress in polymer research by using an automated parallel synthesizer, microwave synthesizer, and ink-jet printer is discussed. The equipment and methodologies in the expts., the high-throughput experimentation of different polymns. (such as atom transfer radical polymn., cationic ring-opening polymn., and emulsion polymn.) and the automated matrix-assisted laser desorption/ionization time-of-flight mass spectroscopy (MALDI-TOF MS) sample prepn. are described.
Location of a region of the muscarinic acetylcholine receptor involved in selective effector coupling (1988)

Chimaeric muscarinic acetylcholine receptors (mAChR) in which corresponding portions of mAChR I and mAChR II are replaced with each other have been produced in Xenopus oocytes by expression of cDNA constructs encoding them. Functional analysis of the chimaeric mAChRs indicates that a region mostly comprising the putative cytoplasmic portion between the proposed transmembrane segments V and VI is involved in selective coupling of mAChR I and mAChR II with different effector systems. In contrast, the exchange of this region between mAChR I and mAChR II does not significantly affect the antagonist binding properties of the two mAChR subtypes.
Characterization of<i>ligV</i>Essential for Catabolism of Vanillin by<i>Sphingomonas paucimobilis</i>SYK-6 (2007)

The vanillin dehydrogenase gene (ligV), which conferred the ability to transform vanillin into vanillate on Escherichia coli, was isolated from Sphingomonas paucimobilis SYK-6. The ligV gene consists of a 1,440-bp open reading frame encoding a polypeptide with a molecular mass of 50,301 Da. The deduced amino acid sequence of ligV showed about 50% identity with the known vanillin dehydrogenases of Pseudomonas vanillin degraders. The gene product of ligV (LigV) produced in E. coli preferred NAD+ to NADP+ and exhibited a broad substrate preference, including vanillin, benzaldehyde, protocatechualdehyde, m-anisaldehyde, and p-hydroxybenzaldehyde, but the activity toward syringaldehyde was less than 5% of that toward vanillin. Insertional inactivation of ligV in SYK-6 indicated that ligV is essential for normal growth on vanillin. On the other hand, growth on syringaldehyde was only slightly affected by ligV disruption, indicating the presence of a syringaldehyde dehydrogenase gene or genes in SYK-6.
Perovskite to antiperovskite in abf<sub>3</sub>compounds (1990)

Abstract Results of static energy calculations using ab initio Gordon-Kim potentials for ABF3 perovskites, where A is an alkali metal ion and B is an alkaline earth metal ion, are presented which demonstrate the role of the relative size of A and B in determining the ground state. Our results point out that the antiperovskite structure, obtained by interchanging the positions of A and B, can be viewed as a highly distorted perovskite structure, or vice versa. The energetics of NaCaF3, a predicted ferroelectric, are analyzed in detail.
Effects of pulp type and headbox design on anisotropy and other sheet properties in twin-wire roll forming (2003)

Article Effects of pulp type and headbox design on anisotropy and other sheet properties in twin-wire roll forming was published on August 1, 2003 in the journal Nordic Pulp & Paper Research Journal (volume 18, issue 3).
Laser-diode-pumped phase-locked Nd:YAG laser arrays (1992)

Scaling of an efficient and compact diode-end-pumped Nd:YAG laser was demonstrated by two-dimensional phase-locked arrays. The arrays of stable resonators were formed by multiple thermal lenses induced by the simultaneous end-pumping of laser-diode-coupled fibers. Because of partial overlap of each transverse mode, the output was phase locked. Various configurations of pumping fibers were tested to study phase locking. It was found that minimization of the coherently coupled intensity between adjacent array elements have good prediction for phase difference between modes. When the plane parallel cavity as long as 30 mm was pumped by 2*2 laser diode coupled fibers, phase-locked 1.8-W continuous wave 1.06- mu m output was obtained with 55% slope efficiency. 1.2-W single longitudinal mode output with single-lobe beam profile was obtained by using a spatial phase filter and the twisted mode method.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>