gebhart/patrepeval huggingface dataset:
ChemInform Abstract: A NEW SYNTHESIS OF PYRIMIDO(5,4‐E)‐AS‐TRIAZINE 4‐OXIDES AND THEIR RING TRANSFORMATION TO PYRROLO(3,2‐D)PYRIMIDINES (1983)

Abstract 6‐1‐Iydrazino‐l ,3‐dimethyl‐uracil (Ia) liefert mit Orthoameisensäureester die Ethoxymethylen‐Verbindung (Ib), die mit Anilinen (II) zu (III) kondensiert und durch nachfolgende Behandlung mit Natriumnitrit über diskutierte Zwischenstufen zu den 3‐Arylamino‐fervenulin‐4oxiden (IV) umgesetzt wird.
Slow light in dye-doped chiral liquid crystals (2013)

We demonstrate slow light in dye-doped chiral liquid crystals. The medium combines a nematic liquid crystal with methyl-red and chiral agents. When a circularly polarized pump and a pulse beam interact in the cell, the output pulse is delayed thanks to the dispersive properties of the beam coupling occurring in the medium. The origin of the slow-light effect is explained on the basis of photo-isomerization induced transparency of the dye molecules hosted in the chiral liquid crystal structure.
INDEX-BASED SIMILARITY SEARCH FOR PROTEIN STRUCTURE DATABASES (2004)

We propose new methods for finding similarities in protein structure databases. These methods extract feature vectors on triplets of SSEs (Secondary Structure Elements) of proteins. The feature vectors are then indexed using a multidimensional index structure. Our first technique considers the problem of finding proteins similar to a given query protein in a protein dataset. It quickly finds promising proteins using the index structure. These proteins are then aligned to the query protein using a popular pairwise alignment tool such as VAST. We also develop a novel statistical model to estimate the goodness of a match using the SSEs. Our second technique considers the problem of joining two protein datasets to find an all-to-all similarity. Experimental results show that our techniques improve the pruning time of VAST 3 to 3.5 times, while keeping the sensitivity similar. Our technique can also be incorporated with DALI and CE to improve their running times by a factor of 2 and 2.7 respectively. The software is available online at http://bioserver.cs.ucsb.edu/.
New optical modeling and optical compensation for mechanical instabilities on holographic data storage system using time averaged holography (2015)

Mechanical instabilities during recording and involved degradation of signal quality in high density and high data transfer rate holographic data storage system (HDSS) is one of the obstacles to prevent the technology from being a stable system. We analytically formulated effects of mechanical instabilities of a Galvano mirror and spindle motor on the HDSS by incorporating the concept of a time-averaged holography. Mechanical parameters such as amplitude and frequency of mechanical oscillation are related to optical parameters such as amplitude and phase of reference and signal beams. Especially, the analytical formulation led to a new method of optical and post compensation for mechanical instability during recording hologram. The optical post compensation method enables a robust implementation of HDSS against mechanical instabilities.
Metalloporphyrin Dendrimers with Folding Arms (1998)

Rigid and flexible linkers are combined in the new dendrimer shown schematically in the picture, which contains nine metalloporphyrin units (Porph). The construction is such that the four "arms" of the dendrimer can fold in a cooperative and predetermined manner in response to added 1,4-diazabicyclo[2.2.2]octane (DABCO).
Sonographic Measurement of Bladder Wall Thickness in Healthy Children (2009)

Objective: The aim of this study was to determine the ultrasonographic (US) bladder wall thickness (BWT) in normal children. Methods: In 106 children (54 boys and 52 girls, aged 8 months to 15 years) without any history and laboratory findings of bladder dysfunction or infection, US measurement of bladder points was performed with bladder filled to at least 50% of its expected capacity. Findings: The mean thickness of four bladder wall points was 1.79±0.28 mm. The mean anterior wall thickness was 1.5±0.31 mm (range 0.9-2.2 mm), posterior 2±0.36 mm (range 1.2-3.1 mm), right lateral 1.8±0.34 mm (ranges 0.8-3mm) and left lateral 1.8±0.36mm (range 1-3mm). There was a significant difference between bladder sites (P&lt;0.05) except between lateral sites. Conclusion: We recommend after measurement of four points, to compare these values with normal±2SD curves according to age.
A high-performance data path for synthesizing DSP kernels (2006)

A high-performance data path to implement digital signal processing (DSP) kernels is introduced in this paper. The data path is realized by a flexible computational component (FCC), which is a pure combinational circuit and it can implement any 2 times 2 template (cluster) of primitive resources. Thus, the data path's performance benefits from the intracomponent chaining of operations. Due to the flexible structure of the FCC, the data path is implemented by a small number of such components. This allows for direct connections among FCCs and for exploiting intercomponent chaining, which further improves performance. Due to the universality and flexibility of the FCC, simple and efficient algorithms perform scheduling and binding of the data flow graph (DFG). DSP benchmarks synthesized with the FCC data path method show significant performance improvements when compared with template-based data path designs. Detailed results on execution time, FCC utilization, and area are presented
Chemical Composition and Antioxidant Activity of Lawsonia inermis Seed Extracts from Morocco (2017)

The aim of the present study was to investigate the composition of Lawsonia inermis (henna) seed oil from Morocco and to evaluate some of its activities in order to use it in cosmetics. Phytosterols are valuable henna-oil constituents, but henna oil does not present any interesting antioxidant activity.
Perforating Pseudoxanthoma Elasticum Associated With Chronic Renal Failure and Hemodialysis (1985)

A patient with hypertension and chronic renal failure of an undetermined cause who was undergoing hemodialysis developed bilateral crusted, focally eroded plaques on her breasts. A biopsy specimen of the lesional skin revealed typical histologic changes of pseudoxanthoma elasticum, with epidermal perforation. A biopsy specimen of lesion-free skin revealed characteristics typical of pseudoxanthoma elasticum. Perforating pseudoxanthoma elasticum should be added to the growing list of cutaneous disorders that occur in patients with chronic renal failure who are undergoing hemodialysis.
Nonmitochondrial ATP/ADP Transporters Accept Phosphate as Third Substrate (2008)

Chlamydiales and Rickettsiales as metabolically impaired, intracellular pathogenic bacteria essentially rely on "energy parasitism" by the help of nucleotide transporters (NTTs). Also in plant plastids NTT-type carriers catalyze ATP/ADP exchange to fuel metabolic processes. The uptake of ATP4-, followed by energy consumption and the release of ADP3-, would lead to a metabolically disadvantageous accumulation of negative charges in form of inorganic phosphate (Pi) in the bacterium or organelle if no interacting Pi export system exists. We identified that Pi is a third substrate of several NTT-type ATP/ADP transporters. During adenine nucleotide hetero-exchange, Pi is cotransported with ADP in a one-to-one stoichiometry. Additionally, Pi can be transported in exchange with solely Pi. This Pi homo-exchange depends on the presence of ADP and provides a first indication for only one binding center involved in import and export. Furthermore, analyses of mutant proteins revealed that Pi interacts with the same amino acid residue as the gamma-phosphate of ATP. Import of ATP in exchange with ADP plus Pi is obviously an efficient way to couple energy provision with the export of the two metabolic products (ADP plus Pi) and to maintain cellular phosphate homeostasis in intracellular living "energy parasites" and plant plastids. The additional Pi transport capacity of NTT-type ATP/ADP transporters makes the existence of an interacting Pi exporter dispensable and might explain why a corresponding protein so far has not been identified.
Jakubovská scéna v Londýně (2003)

Recenze a uvaha o Jakubovske sezoně v Londýně (2002-2003)
souboru Royal Shakespeare Company, pěti představeni zřidka
hraných alžbětinských a jakubovských dramat.
A high efficiency high power step-up resonant switched-capacitor converter for offshore wind energy systems (2012)

Offshore wind farm with an internal medium voltage DC (MVDC)-grid collection connected to high voltage direction current (HVDC) transmission is a promising option for the development of high power long distance offshore wind farms. Medium voltage high power DC/DC converters with high step-up conversion ration are the key components in these electrical systems. This paper presents a high efficiency step-up resonant switched-capacitor (SC) converter for offshore wind energy systems, which is characterized by soft switching condition for all switches and diodes. This significantly reduces switching losses and higher switching frequency is feasible to reduce the overall system volume. Comparison with other step-up SC converters shows that the new SC converter needs much less filter capacitors. The experimental results of a 24 kW prototype are presented to verify the proposed converter.
The role of "occult" gastroesophageal reflux in chronic pulmonary disease in children. (1996)

It has repeatedly been demonstrated that a correlation exists between gastroesophageal reflux and the presence of various "atypical" complaints, such as recurrent chest pain, apneic attacks in infants, and recurrent or chronic respiratory symptoms. Very recently it has been shown that gastroesophageal reflux is frequently associated with non-controlled asthma in children and that medical treatment for reflux can improve the further course of respiratory disease. The aim of the present study was to investigate a possible cause-relationship between recurrent respiratory symptoms in children and the presence of gastroesophageal reflux disease, and to investigate the value of continuous 24-hour esophageal pH-monitoring in the diagnosis and management of these complaints in 62 children with chronic respiratory disease. Continuous 24-hour pH-monitoring was abnormal in 39/62 patients (62.9%). However, no statistically significant correlation could be detected between the presence of gastroesophageal reflux and various anamnestic parameters (parental smoking, pet in household, sibling with gastroesophageal reflux disease), or concomitant atopy. All children that were found positive for gastroesophageal reflux (n = 39) were started on an antireflux therapy (cisapride 0.2 mg/kg q.i.d.). This treatment resulted in an improvement of the symptoms in 84.6%. We conclude that gastroesophageal reflux is an important (causative) factor in chronic recurrent respiratory disease. This entity is often resistant to "classical" respiratory treatment, but can be treated with an anti-reflux therapy. We, therefore, suggest to perform continuous 24-hour esophageal pH-monitorings as a standard procedure in all patients with recurrent respiratory complaints, independent of the severity of their symptoms.
A nonuniform filterbank structure for channel precoding (2002)

Channel precoding for an ISI channel is discussed in this paper with emphasis on the complexity of the equalizer. An FIR filterbank based precoder with a simple decoder utilizing nonuniform sampling is derived. Such a precoder is then generalized to an equalizer constructed from nonconsecutive samples. The latter system is shown to be more computationally efficient. Design examples are presented to demonstrate the derived channel precoders.
Genome-Wide Identification of the HMA Gene Family and Expression Analysis under Cd Stress in Barley (2021)

In recent years, cadmium (Cd) pollution in soil has increased with increasing industrial activities, which has restricted crop growth and agricultural development. The heavy metal ATPase (<i>HMA</i>) gene family contributes to heavy metal stress resistance in plants. In this study, 21 <i>HMA</i> genes (<i>HvHMAs</i>) were identified in barley (<i>Hordeum</i><i>vulgare</i> L., <i>Hv</i>) using bioinformatics methods. Based on phylogenetic analysis and domain distribution, barley <i>HMA</i> genes were divided into five groups (A-E), and complete analyses were performed in terms of physicochemical properties, structural characteristics, conserved domains, and chromosome localization. The expression pattern analysis showed that most <i>HvHMA</i> genes were expressed in barley and exhibited tissue specificity. According to the fragments per kilobase of exon per million fragments values in shoots from seedlings at the 10 cm shoot stage (LEA) and phylogenetic analysis, five <i>HvHMA</i> genes were selected for expression analysis under Cd stress. Among the five <i>HvHMA</i> genes, three (<i>HvHMA1</i>, <i>HvHMA3</i>, and <i>HvHMA4</i>) were upregulated and two (<i>HvHMA2</i> and <i>HvHMA6</i>) were downregulated following Cd treatments. This study serves as a foundation for clarifying the functions of HvHMA proteins in the heavy metal stress resistance of barley.
A polymorphic bipartite motif signals nuclear targeting of early auxin‐inducible proteins related to PS‐IAA4 from pea (Pisum sativum) (1995)

The plant hormone, indoleacetic acid (IAA), transcriptionally activates two early genes in pea, PS-IAA4/5 and PS-IAA6 that encode short-lived nuclear proteins. The identification of the nuclear localization signals (NLS) in PS-IAA4 and PS-IAA6 using progressive deletion analysis and site-directed mutagenesis is reported. A C-terminal SV40-type NLS is sufficient to direct the beta-glucuronidase reporter to the nucleus of transiently transformed tobacco protoplasts, but is dispensible for nuclear localization of both proteins. The dominant and essential NLS in PS-IAA4 and PS-IAA6 overlap with a bipartite basic motif which is polymorphic and conserved in related proteins from other plant species, having the consensus sequence (KKNEK)KR-X(24-71)-(RSXRK)/(RK/RK). Both basic elements of this motif in PS-IAA4, (KR-X41-RSYRK), function interdependently as a bipartite NLS. However, in PS-IAA6 (KKNEKKR-X36-RKK) the upstream element of the corresponding motif contains additional basic residues which allow its autonomous function as an SV40-type monopartite NLS. The spacer-length polymorphism, X(24-70), in respective bipartite NLS peptides of several PS-IAA4-like proteins from Arabidopsis thaliana does not affect nuclear targeting function. The structural and functional variation of the bipartite basic motif in PS-IAA4-like proteins supports the proposed integrated consensus of NLS.
Calibration results for first NIF Kirkpatrick-Baez microscope (2015)

The Lawrence Livermore National Laboratory (LLNL) has been developing a novel X-ray imager for the National Ignition Facility (NIF) utilizing Kirkpatrick-Baez (KB) mirror geometry. A fully assembled mirror pack contains four KB optic pairs featuring cylindrical mirrors with custom-designed multilayer coatings. Multiple interchangeable mirror packs have been commissioned for various experimental campaigns, with high spatial resolution (&lt; 5 <i>&mu;</i>m) at the center of the field of view and 12&times; magnification. Tight tolerances on the grazing angles of the X-ray mirrors require precision alignment and assembly of each component via a coordinate measuring machine, and a comprehensive off-line calibration of the four KB channels at X-ray wavelengths. The main goals of the calibration campaign are to measure the performance of the multilayer, validate the assembly procedure by measuring the as-built spatial resolution and determine the best object to mirror pack distance (drive depth) of the microscope for fielding at NIF. We report on the results of this effort on the first fully assembled NIF KB X-ray imager.
Up-conversion à trois étapes dans une fibre aluminosilicate dopée thulium pompée à 1070 nm (2013)

International audience
Low-Cost Weed Control Systems for Close-Row Peanuts (Arachis hypogaea) (1987)

Weed control, yield, quality, and net return in reduced-cost and standard weed control systems were studied in “Sunbelt runner’ peanuts ( Arachis hypogaea L.) planted in a twin-row pattern in 1982 to 85 at Tifton, GA, and 1982 to 84 at Headland, AL. Reduced herbicide rates and/or less expensive herbicides were used to decrease weed control costs. In years and locations where weed populations were low there were no differences in weed control, crop yield, or quality. The lowest cost treatment, which included three applications of paraquat (1,1′-dimethyl-4,4′-bipyridinium ion), caused reduced weed control at both locations in 1982 and reduced yield in 1982 and 1984. None of the systems consistently resulted in the highest weed control, crop yield, or quality. A system including reduced rates of preplant-incorporated herbicides followed by two applications of paraquat performed as well as the standard system but cost about 40% less. Due to low cost and generally high yields this system resulted in consistently high net returns. Results indicate that the potential exists for reducing herbicide inputs without sacrificing yield or quality.
The influence of the valence state of titanium in MgCl2‐supported titanium catalysts on olefin polymerization (1984)

Abstract The relationships between the valence state of titanium in MgCl 2 ‐supported titanium catalysts and polymerization performances for ethylene and propylene were studied. When the titanium species of the supported titanium catalyst 1 was preliminarily reduced by treating it with AlEt 3 , the resulting catalyst system 2 had lost the activity for propylene polymerization completely. The catalyst activity for ethylene polymerization was found to be reduced to 20% of that of the original catalyst 1. In the AlEt 3 ‐pretreated catalyst 2 no Ti 4+ is found and 80% of the total titanium is present as Ti 2+ . The catalyst system 2 plus AlEt 3 , however, does exhibit activity towards ethylene‐propylene copolymerization, propylene insertion being possible if the end of the growing polymer chain is an ethylene unit. The titanium in the AlEt 3 ‐reduced catalyst 2 could be oxidized again by treatment with various agents. The oxidized catalysts 3, in conjunction with freshly added AlEt 3 as cocatalyst, are active for propylene polymerization and show increased activity for ethylene polymerization in relation to the extent of oxidation.
Modeling of scintillation approach to transversal current measurement with respect to the Fram Strait environment (1996)

The results of a computer simulation of amplitude and travel-time variations in the process of a signal crossing the Strait on a number of paths to infer the intervening fine-scale variability and transverse current are discussed in this paper. The method relies on the advection of small-scale inhomogeneities across the acoustic path. These inhomogeneities produce perturbations in the amplitude and travel time of the sound and the current can be sensed by generating a time-lagged cross correlation of the full acoustic field. A linear four-element transmission array and a four-element receiving array both with equally spaced elements were used for calculations. By combining the signals from each transmitter–receiver pair in different ways, a number of different path positions were probed and a profile of the transverse current along the propagation path was retrieved. The calculations were done in the frame of the ray model of signal propagation. Analysis has shown that the stable rays, which touch the ocean surface four or five times, are stable under the influence of inhomogeneities. These rays make it possible to avoid the phase ambiguity which can arise when a signal is propagated in an inhomogeneous waveguide.
Divertor and edge plasma properties in doublet III expanded boundary discharges (1986)

Edge plasma conditions and their variation with main plasma density and with neutral-beam input power are presented for expanded boundary divertor discharges produced in the Doublet III tokamak. The density and temperature in the divertor plasma and the heat flux to the divertor plates not only change with the main plasma density and neutral-beam input power but also depend on the level and type of recycling activity present in the divertor. However, the shape of the heat flux profile on the divertor plates is quite insensitive to variations in divertor properties. This insensitivity, together with the weak increase of peak heat flux on the divertor plate with input power, is favourable for the use of an expanded boundary divertor in future fusion reactors. Owing to the similarity of the magnetic configuration, the results from the expanded boundary divertor should be directly applicable to the divertor design for INTOR.
UK guideline for the use of post-exposure prophylaxis for HIV following sexual exposure (2011) (2011)

We present the updated British Association for Sexual Health and HIV (BASHH) guidelines for post-exposure prophylaxis (PEPSE) to HIV. This document includes a review of the current data to support the use of PEPSE, considers how to calculate the risks of infection after a potential exposure, and provides recommendations on when PEPSE would and would not be considered. We review which agents to use for PEPSE including the potential for drug-drug interactions and make recommendations for monitoring individuals receiving PEPSE. Other areas included are the possible impact on sexual behaviour, cost-effectiveness and issues relating to service provision. Throughout the document, consideration is given to the place of PEPSE within the broader context of HIV prevention strategies and sexual health.
Experimental Investigation and Numerical Modelling of Dynamic Behaviour of Screw Compressor Plant (2013)

An experimental and analytical study of screw compressor operation under unsteady conditions has been carried out. For this purpose a one dimensional model of the processes within a compressor was extended to include other plant components, including tanks and connecting piping. This was based on the differential equations of conservation of mass and energy. The results derived from the model have been verified by experiment in order to obtain a reliable tool that can simulate a variety of scenarios which may occur in everyday compressor plant operation. The analytical model was then further developed to demonstrate whole plant transient operation when a screw compressor is connected with storage tanks, control valves and heat exchangers in a complete system.
Biomineralization: Conflicts, challenges, and opportunities (1998)

Biomineralization is the process by which mineral crystals are deposited in an organized fashion in the matrix (either cellular or extracellular) of living organisms. Over the past 25 years, new insights into the mechanisms that control these processes have been obtained, yet questions asked then still persist, especially in terms of vertebrate mineralization. Specifically, there are still debates concerning the chemical nature of the first mineral crystals formed in bone, dentin, and cementum; the factors leading to the initial deposition of these crystals; and the functions of macromolecules found associated with these crystals. In this review, emphasis is placed on the currently accepted answers to these questions, drawing insight from nonvertebrate systems. It is suggested that there are redundant calcification mechanisms and that, by taking advantage of our current knowledge of these mechanisms, opportunities will be provided for therapeutic manipulation of diseases in which biomineralization is impaired. J. Cell. Biochem. Suppls. 30/31:83-91, 1998. © 1998 Wiley-Liss, Inc.