gebhart/patrepeval huggingface dataset:
Interoperability testing of a MANET routing protocol using a node self-similarity approach (2008)

Interoperability testing for ad hoc routing protocols is crucial to the reliability of wireless mobile ad hoc networks. Nevertheless, most of the works in this area are devoted to simulations analyzing the performance of such protocols without taking into account their formal requirements and specifications. Our works deal with formal methods to test the interoperability of a MANET routing protocol, DSR. From previous works, many inconclusive verdicts were obtained on some test cases. We present therefore in this paper, a node self-similarity approach in order to improve the interoperability testing by reducing the number of these in conclusive verdicts.
Retrospective observational study to assess the clinical management and outcomes of hospitalised patients with complicated urinary tract infection in countries with high prevalence of multidrug resistant Gram-negative bacteria (RESCUING) (2016)

NCT02641015; Pre-results.
Comment on “Three-dimensional numerical investigation of electron transport with rotating spoke in a cylindrical anode layer Hall plasma accelerator” [Phys. Plasmas 19, 073519 (2012)] (2013)

The oscillation behavior described by Tang et al. [Phys. Plasmas 19, 073519 (2012)] differs too greatly from previous experimental and numerical studies to claim observation of the same phenomenon. Most significantly, the rotation velocity by Tang et al. [Phys. Plasmas 19, 073519 (2012)] is three orders of magnitude larger than that of typical “rotating spoke” phenomena. Several physical and numerical considerations are presented to more accurately understand the numerical results of Tang et al. [Phys. Plasmas 19, 073519 (2012)] in light of previous studies.
One-step, two-electron oxidation of (.eta.5-C5H5)W(CO)3CH3: unexpected formation of stable tungsten(IV) dications (1991)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOne-step, two-electron oxidation of (.eta.5-C5H5)W(CO)3CH3: unexpected formation of stable tungsten(IV) dicationsVidar Skagestad and Mats TilsetCite this: Organometallics 1991, 10, 7, 2110–2113Publication Date (Print):July 1, 1991Publication History Published online1 May 2002Published inissue 1 July 1991https://pubs.acs.org/doi/10.1021/om00053a011https://doi.org/10.1021/om00053a011research-articleACS PublicationsRequest reuse permissionsArticle Views101Altmetric-Citations5LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
An Iterative Linear Method for Estimating the Stress Tensor from Earthquake Focal Mechanism Data: Method and Examples (2021)

Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Bulletin of the Seismological Society of America. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints preprintOpen AccessYou are viewing an older version [v2]Go to new versionAn Iterative Linear Method for Estimating the Stress Tensor from Earthquake Focal Mechanism Data: Method and ExamplesAuthorsEricBeauceiDMichelCampilloRobert DVan Der HilstSee all authors Eric BeauceiDCorresponding Author• Submitting AuthorMassachusetts Institute of TechnologyiDhttps://orcid.org/0000-0003-3138-9082view email addressThe email was not providedcopy email addressMichel CampilloMassachusetts Institute of TechnologyUniversité Grenoble Alpesview email addressThe email was not providedcopy email addressRobert D Van Der HilstMassachusetts Institute of Technologyview email addressThe email was not providedcopy email address
A soft computing-based method for the identification of best practices, with application in the petroleum industry (2005)

This paper introduces a new and novel methodology for fully data-driven identification and analysis based on soft computing techniques. Using this new methodology best practices in any operation (industrial or otherwise) can be identified and recommendations can be made on how to conduct the operation in future in order to accomplish the results. Since this is a fully data-driven process, no managerial or other biases will enter the process and it allows the data to speak for itself. In order for this method to be applicable it is required that sufficient amount of data for the process under investigation be available. The methodology uses neural network to build a representative predictive model of the process, fuzzy logic to provide analysis of the existing and genetic algorithms to identify the major trends. A recommendation matrix at the end of the process is developed that would serve as the foundation for making recommendation. Application of this methodology to a problem in the petroleum industry is presented.
Bioactive Materials and Scaffolds for Tissue Engineering / Qi-Zhi Chen, Aldo R. Boccaccini (2008)

Bioactive materials react with physiological ﬂuids and form tenacious bonds to hard tissue through biological interdigitation of collagen ﬁbers with the material surface layer. Thus, these biomaterials can be used to transfer loads to and from living bone. Prominent bioactive materials are inorganic, such as bioceramics, including selected compositions of silicate glasses and their derived glass-ceramics, as well as hydroxyapatite (HA) and related calcium phosphates. Like most ceramic materials, the major disadvantage of bioactive ceramics is their low fracture toughness (i.e., brittleness). They are thus often used in composites combined with polymers, both stable, e.g., poly(methyl methacrylate), and biodegradable, e.g., aliphatic polyesters. For tissue engineering applications, bioactive ceramics and the related bioactive composites are produced in highly porous 3-D structures known as tissue ‘‘scaffolds.’’ For bone tissue engineering, porosity ofB90% and pores of the order ofB400 mm are desirable, as well as high pore interconnectivity, to facilitate the attachment and proliferation of cells and the ingrowth of new tissues into the network, as well to enable mass transport of oxygen, nutrition, and waste products. Numerous methods to produce 3-D tissue scaffolds have been developed.[1,2]In this chapter, we describe ﬁrst the key design factors of hard tissue engineering scaffolds, followed by an up-to-date review on bioactive materials. Then we focus on the state of the art in the ﬁeld of fabrication technologies for bioactive and biodegradable scaffolds based on bioactive ceramics and related ceramic-polymer composites designed for bone tissue regeneration. The goal of this chapter is to allow readers to fully understand the advantages and disadvantages of various bioactive materials and scaffold processing technologies.
Development and Deployment of an Open, Modular, Near-Real-Time Patient Monitor Datastream Conduit Toolkit to Enable Healthcare Multimodal Data Fusion in a Live Emergency Department Setting for Experimental Bedside Clinical Informatics Research (2018)

Healthcare providers rely on complex biomedical devices to assess, treat, and monitor patients. Ongoing research efforts are attempting to generate and implement better algorithms and mechanisms to ensure the early, accurate, automated, and clinically meaningful recognition of patterns and changes in patient health and pathology. Effecting such evolutionary advances in patient monitoring will likely require large collections of high-resolution physiologic parameter datasets from a broad spectrum of patients. As part of a research program to scientifically improve patient monitoring (with a focus on alarm fatigue mitigation), investigators developed the Medical Technology Interface-Open/Research toolkit with modular conduit components that provide the following capabilities: 1) access to select bedside monitor physiologic signals in real-world clinical settings for near-real-time acquisition, storage, and export of high-resolution patient datastreams in a portable format (.json); 2) establishment of a safe, parallel test environment at the bedside for experimental datastream analyses in a research framework. Deployment and interfacing of toolkit elements with off-the-shelf software solutions in a live emergency department setting enabled the construction of a bedside clinical informatics (BCI) research pipeline infrastructure that featured 1) indexing, search/query, and retrieval of datastreams for sophisticated analyses, experimental processing, and algorithm development; and 2) dataset visualization for expert adjudication of datastream interpretability, alarm clinical significance and severity, and experimental algorithm performance. In order to help institute a collaborative biomedical engineering research resource, this article shares details of the active ED BCI data pipeline and presents preliminary examples of ongoing multimodal data fusion applications.
Powering wireless sensor nodes with micro fuel cells (2013)

A novel approach to achieve long term system operation is using hydrogen fuel cells, which feature much higher energy density if compared with standard batteries. In this demonstrator we show a power unit which activates the hydrogen flow through an electrovalve to recharge the batteries, minimizing hydrogen waste and significantly boosting lifetime. Experimental results demonstrate 85% of efficiency.
Preparation of lignin/glycerol-based bis(cyclic carbonate) for the synthesis of polyurethanes (2015)

A bis(cyclic carbonate) was obtained <italic>via</italic> glycidylation of lignin-based bisphenol followed by cycloaddition with CO<sub>2</sub>. Further polyaddition between the bis(cyclic carbonate) and diamines led to the synthesis of polyurethanes. The structure and thermal properties of these polyurethane materials were elucidated.
Microwave-Promoted Desulfurization of Heavy and Sulfur-Containing Crude Oil (2008)

We have probed the effect of microwave irradiation on desulfurization of crude oil and dibenzothiophene. A range of catalysts have been screened. We find that it is possible to perform hydrodesulfurization reactions using microwave heating in conjunction with iron powder as a catalyst. The effect of hydrogen pressure, reaction temperature, reaction time, and catalyst source have been studied. The effectiveness of catalyst- and hydrogen-free desulfurization has been probed briefly. Approaches included microwave-promoted cracking, high-temperature water chemistry, and the use of metal hydrides but, with the conditions screened in this study, these proved not to be effective. We believe that our results here build on work in the scientific and patent literature suggesting that microwave irradiation can be a useful tool for effecting desulfurization chemistry.
Covalent interaction of L-2-amino-4-oxo-5-chloropentanoic acid with rat renal phosphate-dependent glutaminase. Evidence for a specific glutamate binding site and of subunit heterogeneity. (1978)

Rat renal phosphate-dependent glutaminase is rapidly inactivated by incubating with L-2-amino-4-oxo-5-chloropentanoic scid. Concentrations of phosphate, which increase the glutaminase activity, decrease the rate of inactivation by chloroketone. In addition, inactivation is not blocked by glutamine. Instead, glutamate was shown to specifically reduce the rate of chloroketone inactivation. Upon sodium lauryl sulfate-polyacrylamide gel electrophoresis, the purified glutaminase preparation exhibits at least five protein staining bands which range in molecular weight from 57,000 to 75,000. Studies with 14C-labeled chloroketone indicate that this reagent reacts with each of these peptides. The mean stoichiometry of binding was calculated to be 1.3 mol/mol of enzyme. Therefore, these results indicate that the glutaminase may contain a specific site for binding glutamate and that the purified enzyme consists of a series of related peptides which may have resulted from partial proteolysis.
Ureteral Diameter as Predictor of Ureteral Injury during Ureteral Access Sheath Placement (2020)

The proximal ureteral diameter is associated with high grade ureteral injury. A smaller ureteral diameter increases the risk and the severity of ureteral injury. Therefore, preoperative measurement of the ureteral diameter is recommended for ureteral access sheath placement to predict the risk of ureteral injury.
1,1-Dimethylbiguanidium(2+) dinitrate (2011)

In the crystal structure of the title compound, C(4)H(13)N(5) (2+)·2NO(3) (-), the main inter-molecular inter-actions are the N-H⋯O hydrogen bonds between the cationic amino groups and the O atoms of the nitrate ions. All amino H atoms and nitrate O atoms are involved in the three-dimensional hydrogen-bond network. There are two graph-set motifs R(2) (2)(8), which include the amino groups connected to the N atoms in the biguanide 3-, 4- and 5-positions, and the O atoms of a nitrate ion. They are extended along the a axis. An O atom of the second nitrate ion is involved in a graph-set motif C(4) that is a part of a helix-like N-H⋯O⋯H-N-H⋯O⋯ chain oriented along the b axis. There are also two weak C-H⋯O inter-actions in the crystal structure.
Determining the Repellency of Solid Chemicals to Mosquitoes1 (1947)

Journal Article Determining the Repellency of Solid Chemicals to Mosquitoes Get access J. P. Linduska, J. P. Linduska U.S.D.A., Agr. Res. Adm., Bureau of Entomology and Plant Quarantine2 Search for other works by this author on: Oxford Academic PubMed Google Scholar F. A Morton F. A Morton U.S.D.A., Agr. Res. Adm., Bureau of Entomology and Plant Quarantine2 Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Economic Entomology, Volume 40, Issue 4, 1 August 1947, Pages 562–564, https://doi.org/10.1093/jee/40.4.562 Published: 01 August 1947
Direct, in situ determination of pH and solute concentrations in formic acid dehydrogenation and CO2 hydrogenation in pressurised aqueous solutions using 1H and 13C NMR spectroscopy (2013)

In water, spin-lattice relaxation times (T(1)) and calibration curves for chemical shifts have been determined for the (13)C and the (1)H(C) atoms in HCOOH, HCOONa, CO(2), Na(2)CO(3) and NaHCO(3) by NMR spectroscopy. These data facilitate kinetic and mechanistic studies for H(2) storage/delivery in the carbon dioxide-formic acid systems under H(2) and CO(2) pressures.
Drilling Mechanisms in Ultrasonic-Vibration Assisted Microdrilling. (1998)

This paper describes two mechanisms in ultrasonic-vibration assisted microdrilling. In the first experiment, the mechanism of the beginning of penetration was examined using a quick-stop device. In the second experiment, the chip formation mechanism in deep hole drilling (L/D=7) was examined. The drills with a diameter of 1 mm are clamped in a spindle ultrasonically vibrated with 40 kHz in axial direction. When applying ultrasonic vibration the wandering of a drill at the hole entrance is inhibited because of the hammering motion of the chisel edge and reduction of cumulative displacement of drill due to intermittent cutting. In addition to these effects, reduction of friction and increase in rake angle of the chisel edge improve the performance of drilling at the hole entrance. Ultrasonic vibration makes chip flow angle larger and chip side curl curvature smaller. One reason for this phenomenon may be that chip flow velocities at the inner and outer corner do not differ much, because the velocity component of ultrasonic vibration occupies the major part in the cutting velocity. Another reason may be the improved cutting condition at the chisel edge.
Positron Emission Tomography and Computer Tomography (PET/CT) in Prostate, Bladder, and Testicular Cancers (2010)

Positron emission computed tomography (PET) is a functional, noninvasive method for imaging regional metabolic processes that is nowadays most often combined to morphological imaging with computed tomography (CT). Its use is based on the well-founded assumption that metabolic changes occur earlier in tumors than morphologic changes, adding another dimension to imaging. This article will review the established and investigational indications and radiopharmaceuticals for PET/CT imaging for prostate cancer, bladder cancer and testicular cancer, before presenting upcoming applications in radiation therapy.
Catalytic growth of carbon microtubules with fullerene structure (1993)

A method to grow carbon microtubules with fullerene structure (buckytubes) has been identified. The method consists of the catalytic decomposition of acetylene over iron particles at 700 °C. Carbon microtubules of up to 50 μm in length are synthesized by this method. Electron diffraction and high resolution electron microscopy studies demonstrate that the structure of these microtubules corresponds to the helical structure recently reported by S. Iijima, Nature 354, 56(1991), prepared using an arc-discharge evaporation method.
THE EVOLUTION OF THE TECHNICAL PROJECT AS THE FINAL WORK IN THE SPANISH AGRICULTURAL ENGINEERING STUDIES (2009)

Atherosclerosis is a chronic inflammatory disease of the vessel wall characterized by the accumulation of lipid-laden macrophages and fibrotic material. The initiation of the disease is accompanied by the accumulation of modified lipoproteins in the vessel wall. Group IIa secretory phospholipase A2 (sPLA2 IIa) is a key candidate player in the enzymatic modification of low density lipoproteins. To study the role of sPLA2 IIa in macrophages during atherogenesis, transgenic mice were generated using the human sPLA2 IIa gene and the CD11b promoter. Bone marrow transplantation to LDL receptor-deficient mice was performed to study sPLA2 IIa in atherosclerosis. After 10 weeks of high-fat diet, mice overexpressing sPLA2 IIa in macrophages showed 2.3-fold larger lesions compared with control mice. Pathological examination revealed that sPLA2 IIa-expressing mice had increased collagen in their lesions, independent of lesion size. However, smooth muscle cells or fibroblasts in the lesions were not affected. Other parameters studied, including T-cells and cell turnover, were not significantly affected by overexpression of sPLA2 IIa in macrophages. These data clearly show that macrophage sPLA2 IIa is a proatherogenic factor and suggest that the enzyme regulates collagen production in the plaque and thus fibrotic cap development.
Bovine papular stomatitis affecting dairy cows and milkers in midwestern Brazil (2012)

Bovine papular stomatitis virus (BPSV) is a parapoxvirus associated with papular and erosive lesions on the muzzle, lips, and oral mucosa of cattle. Teats of milking cows are occasionally affected, and the infection is frequently transmitted to human beings. The present report describes an outbreak of BPSV infection affecting cows in midwestern Brazil, with human involvement. The disease was observed in neighboring small hand-milking farms, affecting 20 milking cows. The signs included painful reddish papules, ulcers, and scabby proliferative lesions on the teats, with a clinical course of 7-12 days. Affected cows presented severe local pain, not allowing the completion of milking. Histologically, acanthosis, spongiosis, and parakeratotic hyperkeratosis with adjacent focally extensive ulcers and multifocal inflammatory infiltrate were observed in the epidermis. Eosinophilic inclusion bodies were noted in the cytoplasm of epithelial cells. Personnel milking the affected cows developed lesions on the hands, painful papules that progressed to ulcerative and scabby lesions in 4-7 days. A polymerase chain reaction using a set of pan-parapoxvirus primers for the B2L gene performed on DNA extracted from scabs amplified a 590-bp product, which when sequenced, revealed similarities of 99%, 85%, and 84% with BPSV, Pseudocowpox virus, and Orf virus, respectively. A phylogenetic tree based on the B2L sequence was constructed, showing that the virus clustered with BPSV isolates. Although clinical cases compatible with BSPV infection have been frequently described in Brazil, the present report identifies the agent associated with cattle and human disease in the country.
Web Services for Service-Oriented Communication (2006)

Service-Oriented Communication (SOC) is a new development in the industry to enable communication through web services and SOA. SOC is to make communication as service and provide a service-oriented architecture to integrate communication in business applications. Recent advances of web service and SOA have made it possible for a full web service and SOA based communication paradigm over IP. This paper is an overview of the recent development in this area with a focus on key technologies that can be applied to web service enablement of communication. In particular, we discuss the generic web service based application session management based on WS-Session, the two-way full duplex web service interaction framework, and the development of Web Service Initiation Protocol (WIP). WIP is a full web service and SOA based communication protocol for multimedia and voice communication over IP. The generic web service approach of WIP overcomes many limitations which would be otherwise difficult to achieve in non-web service based communication methods used today. In addition, we discuss the service composition and orchestration framework based on WS-BPEL, and illustrate the application of this approach through some real use cases.
Biosynthesis and Chemical Synthesis of Presilphiperfolanol Natural Products (2014)

Presilphiperfolanols constitute a family of biosynthetically important sesquiterpenes which can rearrange to diverse sesquiterpenoid skeletons. While the origin of these natural products can be traced to simple linear terpene precursors, the details of the enzymatic cyclization mechanism that forms the stereochemically dense tricyclic skeleton has required extensive biochemical, computational, and synthetic investigation. Parallel efforts to prepare the unique and intriguing structures of these compounds by total synthesis have also inspired novel strategies, thus resulting in four synthetic approaches and two completed syntheses. While the biosynthesis and chemical synthesis studies performed to date have provided much insight into the role and properties of these molecules, emerging questions regarding the biosynthesis of newer members of the family and subtle details of rearrangement mechanisms have yet to be explored.
Cytomegalovirus Infections of the CNS (2020)

Cytomegalovirus (CMV) infection is ubiquitous and can occur as a primary infection, a reinfection, or a reactivated infection. Fetuses, very-low-birth-weight and premature infants are at high risk for serious complications from congenital CMV infection, and people with compromised immune systems (organ and bone marrow transplants and acquired immunodeficiency syndrome [AIDS] with CD4 count <100) have a high risk of childhood and adult CMV infection. This chapter provides a review of the epidemiology, clinical and pathological features, microbiological characteristics, diagnostic criteria, pathogenesis, animal models, and therapeutic strategies of CMV infection.