gebhart/patrepeval huggingface dataset:
WLAN call admission control strategies for voice traffic over integrated 3G/WLAN networks (2006)

Heterogeneous networks integration and interwork- ing, with particular reference to third generation (3G) cellular networks and wireless local area networks (WLANs), is a challenging issue for the early future wireless communications world. In our researches we consider the opportunity to convert those circuit switched voice flows that would be blocked by UMTS for resource saturation into voice over IP streams to be served through the WLAN connection. In order to increase voice users satisfaction when WLAN available resources are critically falling off, in this paper we investigate, by means of a simulation approach, different WLAN call admission control strategies within the context of 3G-WLAN integrated networks. I. INTRODUCTION Heterogeneous networks integration and interworking, with particular reference to third generation (3G) cellular networks and wireless local area networks (WLANs), is a challenging issue for the early future wireless communications world. Provided that the WLAN hot spot is within the 3G network coverage and that the final user is equipped with a dual mode terminal, integrating the two technologies, thus increasing the pool of available resources, would considerably increase both users satisfaction and networks utilization efficiency. In the last few years several projects were dedicated to the issue of 3G/WLAN interworking networks (e.g., (1)) and many papers appeared, investigating specific aspects mainly related to architectural/signalling issues (e.g., (2)) and vertical handover (e.g., (3)). Besides the data users exchange between UMTS and WLAN, in this paper we focused our attention on the possi- bility to serve by means of the WLAN technology those voice calls that within the hot spot region cannot be served by the 3G network (and would therefore be blocked) in case of saturation of its radio resources. Obviously a format conversion from circuit-switched (CS) voice flows into packet-switched (PS) Voice over IP (VoIP) flows (and vice versa) is needed in order to allow the radio network switching (see (4) for details on the network architecture). The benefits of 3G/WLAN interworking are here inves- tigated with reference to the Chinese TD-SCDMA UMTS This work was carried out in the framework of VICOM Project funded by MIUR. technology (5) and to the upcoming IEEE802.11e (6) WLAN technology. In this paper, in particular, the users satisfaction level provided in a realistic scenario by the integrated network is assessed by means of a dedicated simulation platform. Three simple but effective call admission control (CAC) strategies for the WLAN are implemented in our simulation platform in order to prevent WLAN overloads. Their performance have been derived and compared. The paper is outlined as follows. In section II the WLAN CAC strategies are described, in section III the scenario under investigation is introduced; in section IV and in section V the simulations settings and the related numerical results are reported and finally, in section VI the final conclusions are drawn.
Dopamine receptors labelled by PHNO (1993)

Since the high-affinity state of dopamine D2 receptors may be abnormal in psychomotor diseases, it is desirable to develop a radioactive agonist to label this high-affinity site for possible clinical diagnostic use. (+)PHNO is a selective D2 agonist used to treat Parkinson's disease. We prepared [3H](+)PHNO from allyl-des-propyl(+)PHNO. In binding to dopamine receptors in homogenates of canine brain striata, [3H](+)PHNO had a dissociation constant of 0.35 nM in the absence of NaCl, and 0.56 nM in the presence of NaCl. Dopamine agonists and antagonists inhibited the binding of [3H](+)PHNO at drug concentrations similar to those inhibiting other [3H]ligands at D2 receptors, but not similar to those acting at D4 receptors. Approximately 90% of the total [3H](+)PHNO binding was specific. Guanilylimidodiphosphate markedly inhibited [3H](+)PHNO binding, suggesting that [3H](+)PHNO was binding primarily to the high-affinity state of dopamine D2 receptors rather than to D3 receptors. The density of the [3H](+)PHNO binding sites was equal to that of [3H]emonapride (or [3H]YM-09151-2), both densities of which were 1.5- to 2-fold higher than that of [3H]spiperone, compatible with the idea that [3H](+)PHNO binds to monomers of D2, while [3H]spiperone binds to dimers of D2. Although [3H](+)PHNO has good selectivity and affinity for the high-affinity state of D2, the [3H]ligand was sensitive to endogenous dopamine, since washing the tissue lowered the dissociation constant. For future in vivo labelling of D2 by an agonist, therefore, it will be essential to search for a related [3H]ligand with an even lower dissociation constant.
Molecular Chirality and Cloud Activation Potentials of Dimeric α-Pinene Oxidation Products (2021)

The surface activity of ten atmospherically relevant α-pinene-derived dimers having varying terminal functional groups and backbone stereochemistry is reported. We find ∼10% differences in surface activity between diastereomers of the same dimer, demonstrating that surface activity depends upon backbone stereochemistry. Octanol-water (<i>K</i><sub><i>OW</i></sub>) and octanol-ammonium sulfate partitioning coefficient (<i>K</i><sub><i>OAS</i></sub>) measurements of our standards align well with the surface activity measurements, with the more surface-active dimers exhibiting increased hydrophobicity. Our findings establish a link between molecular chirality and cloud activation potential of secondary organic aerosol particles. Given the diurnal variations in enantiomeric excess of biogenic emissions, possible contributions of such a link to biosphere:atmosphere feedbacks as well as aerosol particle viscosity and phase separation are discussed.
The maximal rank of a kind of partial banded block matrix subject to linear equations (2013)

We establish the formulas of the maximal rank of a 3x3 partial banded block matrix () where X, Y, and Z are three variant quaternion matrices subject to linear matrix equations A1X = C1, XB1 = C2, A2Y = D1, YB2 = D2, A3Z = E1, ZB3 = E2. In order to demonstrate the feasibility of the result obtained, we present a necessary and sufficient condition for the solvability to the cubic system A1X = C1, XB1 = C2, A2Y = D1, YB2 = D2, A3Z = E1, ZB3 = E2, XYZ = J over the quaternion algebra.
Über Cholesterin-Tomatid. Eine neue Molekülverbindung zur Analyse und präparativen Gewinnung von Steroiden (1957)

Article Über Cholesterin-Tomatid. Eine neue Molekülverbindung zur Analyse und präparativen Gewinnung von Steroiden was published on January 1, 1957 in the journal Biological Chemistry (volume 308, issue Jahresband).
Identification of an Operative Time Threshold for Substantially Increased Postoperative Complications Among Elderly Spine Surgery Patients (2023)

Increased operative duration was strongly associated with 30 day complication rates, particularly beyond a threshold of 5 hours. Furthermore, operative duration had a notably larger effect on overall complication rates than age.
ChemInform Abstract: Preparation of α‐Nosyloxy Carbonyl Compounds Using (Hydroxy( nosyloxy)iodo)benzene. (1997)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Correction: Blal et al. The Effect of Cannabis Plant Extracts on Head and Neck Squamous Cell Carcinoma and the Quest for Cannabis-Based Personalized Therapy. Cancers 2023, 15, 497 (2023)

In the original publication [...].
Ethanol Stimulates Glycogenosis in Livers from Fed Rats (1992)

To determine the reason for the lack of a hypoglycemic effect of ethanol in the fed state, the effect of ethanol on glucose turnover, liver glycogenolysis, and glucose metabolites was determined. Chronically catheterized awake and freely moving fed rats received either ethanol (blood ethanol, 37 +/- 10 mmol/liter, n = 11) or saline (n = 13) intravenously for 4 hr. Glucose turnover was determined using a primed continuous infusion of [3-3H]glucose. The liver was freeze clamped at 4 hr for glycogen and metabolite measurements. Plasma glucose (5.8 +/- 0.3 mmol/liter vs 6.3 +/- 0.2 mmol/liter at 4 hr, ethanol versus saline) and the rate of glucose turnover (61 +/- 9 vs 58 +/- 8 moles/kg.min) were similar during the ethanol and saline infusions. Plasma lactate was significantly higher in the ethanol (1.32 +/- 0.05 mmol/liter) than in the saline (0.86 +/- 0.06 mmol/liter, P less than 0.001) study. Concentrations of gluconeogenic intermediates in the liver (glucose 6-phosphate, fructose 6-phosphate, glucose 1-phosphate, and pyruvate) were all significantly and -30% lower in ethanol-infused than in saline-infused rats. The liver citrate content was similar in ethanol-infused than in saline-infused rats. The liver citrate content was similar in ethanol (0.38 +/- 0.03 mmol/liter) and saline (0.37 +/- 0.04 mmol/liter) studies. Liver glycogen was 75% lower in the ethanol-infused (61 +/- 9 mmol/kg dry wt) than the saline (242 +/- 27 mmol/kg dry wt, P less than 0.001)-infused rats. These data demonstrate that in fed rats given ethanol, glucose turnover is maintained constant by accelerated glycogenolysis. Thus, inhibition of gluconeogenesis by ethanol does not lower hepatic glucose production unless compensatory glycogenolysis can be prevented.
Synthesis and Characterization of Electrospun Nanofibers of Sr-La-Ce Oxides as Catalysts for the Oxidative Coupling of Methane (2020)

Catalytic nanofibers composed of La-Ce and Sr-La-Ce oxides were synthesized by the electrospinning method with 5 wt % Sr and different La/Ce molar ratios. The materials were obtained by calcining electrospun polymer composite fibers and were studied for the oxidative coupling of methane. The catalytic performance was compared with analogous Sr-La-Ce powder catalysts. SEM micrographs of Sr-La-Ce fibers (La/Ce: 0.1, 0.2, 1, and 3) showed nanostructures with homogeneous and uniform diameters (170–200 nm). In addition, the XRD patterns revealed the formation of crystalline solid solutions like LaxCeyOz. The strontium enhanced the CH4 conversion and C2 selectivity since it possibly generated structural defects that promote the formation of superoxide species. The SrLaCe3 nanofibers reached a CH4 conversion of 28.5% and C2 yield of 21.7% at 600 °C. The randomly packed nanofibers improved the heat and mass transfer properties due to their high geometric surface ratio with high bed porosity.
The Development of Vancomycin Resistance in a Patient with Methicillin-ResistantStaphylococcus aureusInfection (1999)

Over the past two decades, vancomycin has been considered the antibiotic of choice for methicillin-resistant Staphylococcus aureus (MRSA) infections. Indeed, multidrug-resistant clones of MRSA for which the only available effective antibacterial agent is vancomycin have recently been identified. Recent reports describing the therapeutic failure of vancomycin for MRSA infections have aroused considerable concern regarding the emergence of MRSA strains for which there will be no effective therapy.1–3 The mechanism of reduced susceptibility in these staphylococcal strains has not been identified, although data indicate that it is not the same as the vancomycin-resistance mechanism in enterococcal strains.4 We describe here . . .
Analysis of the Drying of Broccoli Florets in a Fluidized Pulsed Bed (2012)

Americanae nace como un proyecto conjunto que surge dentro de la Red Europea de Información y Documentación sobre América Latina (REDIAL), y que ha afrontado la Biblioteca de la Agencia Española de Cooperación Internacional para el Desarrollo (AECID). Esta nueva biblioteca virtual hace más accesibles los libros digitales de tema americanista a los investigadores y usuarios interesados de cualquier parte del mundo.
The Incorporation of Drones as Object of Study in Energy-aware Software Engineering (2017)

As drones expand their ability to perform longer and more complex tasks, one of the first concerns that rise is their capacity to perform those tasks in a reliable way. Reliability can be understood from different aspects: the ability of the drone to perform accurately, safely and autonomously. In this paper, we focus on understanding the current efforts to ensure the last quality, autonomy, from the point of view of energy-awareness for drone systems. It emerges that drones as object of study in energy aware Software Engineering is still an emerging, unexplored area, which requires to learn from advances and experimentation in other mobile and ubiquitous devices like cellular phones or tablets. Still, it is required to understand the opportunities and limitations of drones as computational targets. A research agenda should be set and followed to leverage software as an opportunity to foster drones as energy-aware devices.
Human T-lymphotropic virus type I transcriptional regulation by methylation. (1990)

While human T-lymphotropic virus type I (HTLV-I) proviral genome is readily detected in leukemic lymphocytes from adult T-cell leukemia patients, viral antigens or viral RNA are not expressed unless these cells are cultured. To address the problem of possible restriction mechanism of HTLV-I replication, we studied the methylation state of provirus in four HTLV-I transformed cell lines. These cell lines are chronically infected with HTLV-I and carry several copies of proviruses but are characterized by different viral expression. Molecular analysis showed that in MT4 cell line, which expresses a low level of viral RNA and proteins, not only are the HTLV-I proviruses heavily methylated but methylation also involves large regions around and within the long terminal repeats. MT4 cells treatment with 5-azacytidine led to an increase in both total viral RNA and p24 gag protein expression. These findings indicate that proviral methylation is responsible for the low viral expression in MT4 cells and also suggest that this phenomenon may be relevant to HTLV-I in vivo latency.
C–H and C–F bond activation reactions of pentafluorostyrene at rhodium complexes (2019)

The rhodium(i) complexes [Rh(Bpin)(PEt<sub>3</sub>)<sub>3</sub>] (1), [Rh(H)(PEt<sub>3</sub>)<sub>3</sub>] (5) and [Rh(Me)(PEt<sub>3</sub>)<sub>3</sub>] (14) were employed in reactions with pentafluorostyrene affording coordination of the olefin and C-F or C-H bond activation. Control of the reaction conditions allowed for selective activation reactions at different positions at the fluorinated aromatic ring. The rhodacycle trans-[Rh(F)(CH<sub>2</sub>CH<sub>2</sub>(2-C<sub>6</sub>F<sub>4</sub>))(PEt<sub>3</sub>)<sub>2</sub>] (7) was identified as an intermediate for an activation at the 2-position. Reactivity studies of the latter with CO led to the generation of trans-[Rh(F)(CH<sub>2</sub>CH<sub>2</sub>C<sub>6</sub>F<sub>4</sub>)(CO)(PEt<sub>3</sub>)<sub>2</sub>] (10). Stoichiometric and catalytic hydroboration reactions were achieved using complexes 1 or 5 as catalysts.
Comparative Physical Mapping Between Oryza sativa (AA Genome Type) and O. punctata (BB Genome Type) (2007)

A comparative physical map of the AA genome (Oryza sativa) and the BB genome (O. punctata) was constructed by aligning a physical map of O. punctata, deduced from 63,942 BAC end sequences (BESs) and 34,224 fingerprints, onto the O. sativa genome sequence. The level of conservation of each chromosome between the two species was determined by calculating a ratio of BES alignments. The alignment result suggests more divergence of intergenic and repeat regions in comparison to gene-rich regions. Further, this characteristic enabled localization of heterochromatic and euchromatic regions for each chromosome of both species. The alignment identified 16 locations containing expansions, contractions, inversions, and transpositions. By aligning 40% of the punctata BES on the map, 87% of the punctata FPC map covered 98% of the O. sativa genome sequence. The genome size of O. punctata was estimated to be 8% larger than that of O. sativa with individual chromosome differences of 1.5-16.5%. The sum of expansions and contractions observed in regions >500 kb were similar, suggesting that most of the contractions/expansions contributing to the genome size difference between the two species are small, thus preserving the macro-collinearity between these species, which diverged approximately 2 million years ago.
Variable-Number Tandem Repeat Typing ofMycobacterium tuberculosisIsolates with Low Copy Numbers of IS6110by Using Mycobacterial Interspersed Repetitive Units (2002)

A study set of 180 Mycobacterium tuberculosis and Mycobacterium bovis isolates having low copy numbers of IS6110 were genotyped using the recently introduced method based on the variable-number tandem repeats of mycobacterial interspersed repetitive units (MIRU-VNTR). The results were compared with results of the more commonly used methods, IS6110 restriction fragment length polymorphism (RFLP) and spoligotyping. The isolates were collected in Michigan from 1996 to 1999 as part of a project to genotype all isolates from new cases of tuberculosis in the state. Twelve MIRU loci were amplified, and the amplicons were analyzed by agarose gel electrophoresis to determine the copy number at each MIRU locus. MIRU-VNTR produced more distinct patterns (80 patterns) than did IS6110 RFLP (58 patterns), as would be expected in this study set. Spoligotyping identified 59 patterns. No single method defined all unique isolates, and the combination of all three typing methods generated 112 distinct patterns identifying 90 unique isolates and 90 isolates in 22 clusters. The results confirm the potential utility of MIRU-VNTR typing and show that typing with multiple methods is required to attain maximum specificity.
Synthesis of New Uraciles Having N-Amino-b-,g- and d-lactams (1988)

The reaction of 1.3-dimethyl-6-methylhydrazinouracil 1 with various haloacyl halides 2 afforded N-haloacylhydrazinouraciles 3, which were converted into the corresponding lactams 4 by treatment with KOH in the presence of BTEAC.A preceding paper reported the preparation of E-substituted amino-$-, y-, and
Advanced I&C for Fault-Tolerant Supervisory Control of Small Modular Reactors (2018)

In this research, we have developed a supervisory control approach to enable automated control of SMRs. By design the supervisory control system has an hierarchical, interconnected, adaptive control architecture. A considerable advantage to this architecture is that it allows subsystems to communicate at different/finer granularity, facilitates monitoring of process at the modular and plant levels, and enables supervisory control. We have investigated the deployment of automation, monitoring, and data collection technologies to enable operation of multiple SMRs. Each unit's controller collects and transfers information from local loops and optimize that unit’s parameters. Information is passed from the each SMR unit controller to the supervisory controller, which supervises the actions of SMR units and manage plant processes. The information processed at the supervisory level will provide operators the necessary information needed for reactor, unit, and plant operation. In conjunction with the supervisory effort, we have investigated techniques for fault-tolerant networks, over which information is transmitted between local loops and the supervisory controller to maintain a safe level of operational normalcy in the presence of anomalies. The fault-tolerance of the supervisory control architecture, the network that supports it, and the impact of fault-tolerance on multi-unit SMR plant control has been a second focus of this research. To this end, we have investigated the deployment of advanced automation, monitoring, and data collection and communications technologies to enable operation of multiple SMRs. We have created a fault-tolerant multi-unit SMR supervisory controller that collects and transfers information from local loops, supervise their actions, and adaptively optimize the controller parameters. The goal of this research has been to develop the methodologies and procedures for fault-tolerant supervisory control of small modular reactors. To achieve this goal, we have identified the following objectives. These objective are an ordered approach to the research: I) Development of a supervisory digital I&C system II) Fault-tolerance of the supervisory control architecture III) Automated decision making and online monitoring.
Reduction in Energy Pacing Thresholds by Overlapping Biphasic Stimulation Versus Conventional Bipolar Pacing (1998)

Mode 8 OLBI pacing is associated with lower acute energy pacing thresholds when used with bipolar leads in contact with the myocardium. OLBI pacing may increase pacemaker longevity by reducing long-term energy consumption.
Neuromechanism of Developing Methamphetamine Psychosis: A Neuroimaging Study (2004)

The long-term use of methamphetamine (MAP) induces a psychotic state, called MAP psychosis. To understand the neuromechanisms of the persistent psychosis, we used SPECT, MR spectroscopy (MRS), and PET on the MAP users. The SPECT study showed a high incidence of multiple patchy deficits in cerebral blood flow among the users. The MRS study MAP users showed a significantly reduced ratio of creatine plus phosphocreatine (Cr + PCr)/choline-containing compounds (Cho) in the brain compared with the healthy control subjects. In addition, the reduction in the ratio of Cr + PCr/Cho was significantly correlated with the duration of MAP use and with the severity of residual psychiatric symptoms. PET revealed no significant differences between the ex-users of MAP and the healthy controls in the density of striatal dopamine D2 receptors. On the other hand, the density of dopamine transporter in the nucleus accumbens and caudate/putamen in the MAP users was significantly less compared with the controls. This reduction was significantly correlated with the length of use and severity of psychotic symptoms. These findings suggest that long-term use of MAP causes abnormal cerebral blood flow patterns, reduction of brain dopamine transporter density, and metabolite alteration, which may be closely related to a susceptibility to MAP psychosis.
When It Comes to Trials, Do We Get What We Pay For? (2013)

Randomized clinical trials supported by government agencies are critical for advancing knowledge about a large number of interventions (e.g., generic therapies, health system strategies, and surgery) that are relevant to clinical practice and public health. There is a need, however, for timely publication of trial results, to allow health care providers to use the information promptly.In this issue of the Journal, Gordon et al.1 report a thought-provoking study of 244 trials funded by the National Heart, Lung, and Blood Institute. Although data collection for these trials was completed between January 1, 2000, and December 31, 2011, the results of . . .
[Clinical Application of New Antiepileptic Drugs]. (2019)

Epilepsy has high incidence and complex etiologies,and its treatment remains challenging.For around 70% of people with epilepsy,seizures can be controlled after proper antiepileptic treatment.The availability of some new antiepileptic drugs in recent years has offered new options for epileptic patients.A solid knowledge on the pharmacokinetics,efficacy,and tolerability profiles of these new antiepileptic drugs will help to provide safe,proper,reasonable,and standardized treatment for patients.