gebhart/patrepeval huggingface dataset:
Using the seismic range equation (SRE) for AVO analysis to detect low gas saturation (1992)

PreviousNext No AccessSEG Technical Program Expanded Abstracts 1992Using the seismic range equation (SRE) for AVO analysis to detect low gas saturationAuthors: Carol J. ZimmermanRichard E. DurenCarol J. ZimmermanExxon Exploration and Richard E. DurenExxon Production Researchhttps://doi.org/10.1190/1.1822236 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Permalink: https://doi.org/10.1190/1.1822236FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 1992ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 1992 Pages: 1410 publication data© 1992 Copyright © 1992 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 10 Feb 2005 CITATION INFORMATION Carol J. Zimmerman and Richard E. Duren, (1992), "Using the seismic range equation (SRE) for AVO analysis to detect low gas saturation," SEG Technical Program Expanded Abstracts : 852-855. https://doi.org/10.1190/1.1822236 Plain-Language Summary PDF DownloadLoading ...
Wet-etch optimization of free-standing terahertz frequency-selective structures (2003)

Free-standing frequency-selective surfaces consisting of approximately 10-microm-thick copper films with cross-aperture arrays are found to be tunable toward lower frequencies by means of wet chemical etching. Center frequencies were tuned from 1.57 to 1.53 THz while maintaining high transmittance. Wet etching also adjusts bandwidth, peak transmittance, and sidelobe transmittance. The advantage of the wet-etch technique is demonstrated by employment of these devices as bandpass filters for difluoromethane-based terahertz lasers. Adjustment in aperture dimensions because of etching results in suppression of a competing laser line (133.93 microm) by 15 dB while maintaining high transmittance at the operating wavelength of 192.06 microm.
Hemolytic Uremic Syndrome after Bone Marrow Transplantation: Clinical Characteristics and Outcome in Children (2005)

Hemolytic uremic syndrome (HUS) is an uncommon but potentially life-threatening complication of hematopoietic stem cell transplantation. We retrospectively studied the medical records of 293 children who underwent allogeneic bone marrow transplantation at St. Jude Children's Research Hospital between 1992 and 1999 to describe the clinical course of and to identify risk factors for transplant-associated HUS. Conditioning regimens included cyclophosphamide, cytarabine, and total body irradiation for patients with hematologic malignancies (n = 244); patients with nonmalignant diseases (n = 49) received disease-specific regimens. Grafts from unrelated or mismatched related donors were depleted of T lymphocytes, whereas matched sibling grafts were unmanipulated. All patients received cyclosporine as prophylaxis for graft-versus-host disease. Recipients of grafts from matched siblings also received pentoxifylline or short-course methotrexate. HUS developed in 28 (9.6%) patients at a median of 171 days after transplantation. We identified older donor age (P = .029), use of antithymocyte globulin in the conditioning regimen (P = .008), and recipient CMV seronegativity (P = .011) as being associated with an increased risk of HUS. With a multiple regression analysis, the use of antithymocyte globulin (beta = .86; P = .04) and recipient cytomegalovirus seronegativity (beta = .93; P = .035) remained significant risk factors for the development of HUS.
STUDIES ON THE ACID HYDROLYSIS OF α-HALOGENATED PYRIDINE COMPOUNDS<sup>1</sup> (1949)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSTUDIES ON THE ACID HYDROLYSIS OF α-HALOGENATED PYRIDINE COMPOUNDS1H. LEON BRADLOW and CALVIN A. VANDERWERFCite this: J. Org. Chem. 1949, 14, 4, 509–515Publication Date (Print):July 1, 1949Publication History Published online1 May 2002Published inissue 1 July 1949https://pubs.acs.org/doi/10.1021/jo01156a002https://doi.org/10.1021/jo01156a002research-articleACS PublicationsRequest reuse permissionsArticle Views986Altmetric-Citations43LEARN 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
L’estimation du débit de filtration glomérulaire en 2012 : quelle valeur ajoutée pour la nouvelle équation CKD-EPI ? (2012)

Measuring or estimating glomerular filtration rate (GFR) is still considered as the best way to apprehend global renal function. In 2009, the new Chronic Kidney Disease Epidemiology (CKD-EPI) equation has been proposed as a better estimator of GFR than the Modification of Diet in Renal Disease (MDRD) study equation. This new equation is supposed to underestimate GFR to a lesser degree in higher GFR levels. In this review, we will present and deeply discuss the performances of this equation. Based on articles published between 2009 and 2012, this review will underline advantages, notably the better knowledge of chronic kidney disease prevalence, but also limitations of this new equation, especially in some specific populations. We eventually insist on the fact that all these equations are estimations and nephrologists should remain cautious in their interpretation.
Antimalarials in cutaneous lupus erythematosus: mechanisms of therapeutic benefit (2002)

Antimalarials are arguably the best modality currently available for treating patients with cutaneous lupus erythematosus (LE). Although antimalarials have been used for decades in treating cutaneous LE, the precise mechanisms by which they provide therapeutic benefit are not well defined. The putative mechanisms by which antimalarials might provide therapeutic benefit to patients with cutaneous LE include a number of interrelated anti-inflammatory and immunosuppressive effects that include photoprotection, lysosomal stabilization, suppression of antigen presentation, and inhibition of prostaglandin and cytokine synthesis. If we had a more precise understanding of how antimalarials provide therapeutic benefit in cutaneous LE we might gain better insight into the pathogenic mechanisms of LE and ways of developing better therapies for afflicted patients.
The Fabrication of Magnesium Alloys (1944)

Magnesium is alloyed with other metals to give it valuable mechanical and other physical properties. The specific gravity of these alloys is only slightly above that of pure magnesium. The principal additions are aluminum, zinc, and manganese. Methods of making these alloys are presented in detail. Then follow details on casting; extrusion (requiring billets of the highest possible quality) ; plate and sheet rolling; forging, die casting, fabricating ; and finally the author stresses the importance of properly designing structural parts of these magnesium alloys, in particular when applying the high‐strength extruded shapes and sheet.
Gibberellin Biosynthesis Inhibitors Help Control Plant Height for Improving Lodging Resistance in<i>E. Tef (Eragrostis tef)</i> (2012)

Eragrostis tef, a tall stature and highly nutritious cereal grown\nin East Africa, has a serious lodging problem that reduces its\nproductivity considerably. Certain plant-growth regulators are\nknown to restrict growth and consequently improve lodging resistance\nin cereals by affecting gibberellin biosynthesis. The effect\non height of growth regulator chlormequat chloride (CCC) was\ndetermined for varieties Gea Lammie with a short phenotype and\nDZ-01-196 with a tall phenotype. Chlormequat chloride decreased\nplant height by 27% in Gea Lammie and by 46% in DZ-01-196.\nMore detailed analysis of growth regulator application by including\nPaclobutrazol (PBZ) on the tall tef variety DZ-01-196 revealed\nthat both CCC and PBZ reduced culm length, but had no effect on\ninternode diameter. Chlormequat chloride at 100 mM especially\nreduced the length of the lowermost internodes. Treatment with\nCCC on the other hand did not increase panicle-bearing tillers, but\ngrain yield in CCC-treated plants was comparable to non-treated\ncontrol. The regulation of gibberellin biosynthesis could therefore\nbe a key target for improving lodging resistance in Eragrostis tef.
In vitro regulation of HGF-SF expression by epithelial-mesenchymal interactions. (1993)

Studies of parameters which affect cellular proliferation, cellular differentiation together with studies of cell-cell interactions which affect cell behavior are particularly interesting in that they can be used to identify and characterise molecules which through changes in gene expression induce/inhibit cell proliferation, differentiation and movement. Such studies are crucial not only in the context of understanding growth and development, but also in understanding the processes of wound healing and regeneration as well as tumor invasion and metastasis. Here we present a summary of some cell culture models which we have developed for the study of the above-mentioned phenomenon, together with their application to the studies of regulation of HGF-SF expression.
Choosing Between Confocal Microscopes : A Fly-Eye's View (2000)

Abstract We have recently been shopping for a confocal microscope and have found a simple way to test the capabilities of the various units that have been demonstrated to us. Some of the important aspects that we were looking for in our “ideal” multi-user system were: 1) Ease of use. 2) The ability to obtain good X-Y, X-Z and hence X-Y-Z resolution, and the accurate display of these images. 3) The depth within the sample at which the system can resolve structures (this of course depends mostly on the lenses used), but is still an important criteria as it reflects on the system as a whole. 4) “extras” such as a transmission detector and reconstruction/ analysis/image manipulation software.
Molecular modeling of polymer composite interactions with analytes in electronic nose sensors for environmental monitoring in International Space Station (2002)

We report a molecular modeling study to investigate the polymer-carbon black (CB) composite-analyte interactions in resistive sensors. These sensors comprise the JPL Electronic Nose (ENose) sensing array developed for monitoring breathing air in human habitats. The polymer in the composite is modeled based on its stereisomerism and sequence isomerism, while the CB is modeled as uncharged naphthalene rings (with no hydrogens). The Dreiding 2.21 force field is used for the polymer and solvent molecules and graphite parameters are assigned to the carbon black atoms. A combination of molecular mechanics (MM) and molecular dynamics (NPT-MD and NVT-MD) techniques are used to obtain the equilibrium composite structure by inserting naphthalene rings in the polymer matrix. Polymers considered for this work include poly(4- vinylphenol), polyethylene oxide, and ethyl cellulose. Analytes studied are representative of both inorganic (ammonia) and organic (methanol, toluene, hydrazine) compounds. The results are analyzed for the composite microstructure by calculating the radial distribution profiles as well as for the sensor response by predicting the interaction energies of the analytes with the composites.
The chemistry of organoborates. Part III. Protonation of trialkylcyanoborates (1975)

Protonation of trialkylcyanoborates in bis-(2-methoxyethyl) ether (diglyme) leads to migration of two alkyl groups from boron to carbon and the production of derivatives of 1,4-diaza-2,5-diboracyclohexane. On oxidation, these compounds yield ketones.
Posttraumatic stress in deployed Marines: Prospective trajectories of early adaptation. (2014)

We examined the course of PTSD symptoms in a cohort of U.S. Marines (N = 867) recruited for the Marine Resiliency Study (MRS) from a single infantry battalion that deployed as a unit for 7 months to Afghanistan during the peak of conflict there. Data were collected via structured interviews and self-report questionnaires 1 month prior to deployment and again at 1, 5, and 8 months postdeployment. Second-order growth mixture modeling was used to disaggregate symptom trajectories; multinomial logistic regression and relative weights analysis were used to assess the role of combat exposure, prior life span trauma, social support, peritraumatic dissociation, and avoidant coping as predictors of trajectory membership. Three trajectories best fit the data: a low-stable symptom course (79%), a new-onset PTSD symptoms course (13%), and a preexisting PTSD symptoms course (8%). Comparison in a separate MRS cohort with lower levels of combat exposure yielded similar results, except for the absence of a new-onset trajectory. In the main cohort, the modal trajectory was a low-stable symptoms course that included a small but clinically meaningful increase in symptoms from predeployment to 1 month postdeployment. We found no trajectory of recovery from more severe symptoms in either cohort, suggesting that the relative change in symptoms from predeployment to 1 month postdeployment might provide the best indicator of first-year course. The best predictors of trajectory membership were peritraumatic dissociation and avoidant coping, suggesting that changes in cognition, perception, and behavior following trauma might be particularly useful indicators of first-year outcomes.
Effects of Quasiparticle Diffusion in Nb-Based Superconducting Tunnel Junctions Under X-Rays Irradiation (1999)

A novel class of sensors is constituted by radiation detectors based on superconducting tunnel junctions, which could lead in the next future to an advanced instrumentation with an interesting fall out for applications. So far, this area is restricted to LTc superconductors. Among them, niobium has the highest critical temperature and is therefore less demanding in terms of operational temperature. The best performances achieved so far in pure Nb-based junction are far away from the expected theoretical limit. The reason of this discrepancy could be attributed to various problems. Quasiparticle diffusion and edge losses seem to be responsible for the broadening of the signal amplitude spectra so often observed and reported in literature. In this paper we report on efforts to investigate the response to X-Ray of Nb-based superconducting tunnel junctions in terms of a model which includes the quasiparticle diffusion and the edge losses. Our model takes into account the contribution from both the electrodes of the junction and well reproduces the experimental data.
Susceptibility to Herpes Simplex Virus Type 1 Infection of Non-permissive Rat XC(HPRT-) x Permissive Mouse L(TK-) Hybrid Cells (1985)

Somatic cell hybrids between rat XC(HPRT-) cells, non-permissive for herpes simplex virus type 1 (HSV-1) infection, and permissive mouse L(TK-) cells were constructed and karyotyped. Infection of these hybrid cells by HSV-1 strains F and MP revealed that they were susceptible to the virus. The amounts of virus produced by the hybrid cells, as well as the cytopathic effect observed, was very similar to that of the parental L(TK-) cells. Our results suggest that failure of HSV-1 to replicate in XC cells is more likely to be due to the absence of cellular elements required for efficient virus multiplication rather than to the presence of blocking or inhibiting factors.
The effect of delay error on the sidelobe level in synthetic aperture imaging (2002)

The synthetic aperture method, which synthesizes a large aperture by multiplexing a small transmit/receive aperture, is known to have two major advantages: (1) mainlobe narrower than one-way dynamic focusing in reception, and (2) a hardware volume smaller than in the synthetic focusing method, which requires that every element receives a reflected signal for each transmitting element. This paper describes the influence of delay error on the sidelobe in the synthetic aperture method. The simulation results show that in order to suppress the sidelobe level below -40 dB at 3.5 MHz, the combined delay fluctuations among the small apertures caused by the wavefront distortion in the medium and by the electronics should be less than 3 ns. As the propagation time inhomogeneity in a typical medium such as a phantom test object or a human body causes fluctuations of more than 15 ns of arrival time among the small apertures, the results lead to the conclusion that the synthetic aperture method is not effective on such a medium.
Cultural Diversity: The Intention of Nursing (2009)

Nursing in the United States has expressed its intention of being a professional discipline that is culturally diverse. However, after examining the progress in this area, it is evident that nursing's movement toward cultural diversity has been slow and episodic. This article addresses cultural diversity progress in nursing and explores behaviors and actions that could enhance the cultural diversity of nursing.
Synthesis and Thermal Expansion of β‐Eucryptite Powders Produced by the Inorganic–Organic Steric Entrapment Method (2014)

The characterization of powders prepared using the inorganic–organic steric entrapment method was explored and compared to the conventional solid‐state route, using X‐ray diffraction, differential scanning calorimetry, particle size analysis, and specific surface area measurements. β‐eucryptite was crystallized at 627°C and the properties of the resulting powder allowed for increased densification upon sintering compared to conventional methods. The thermal expansion behavior was also determined in situ using X‐ray diffraction and was found to be similar to other published studies, but thermal expansion in all { hkl } pole directions has been measured.
Counterflow pipelining (2006)

This paper introduces a novel approach to efficiently implement several useful architectural features in asynchronous application-specific ICs (ASICs). These features include speculation, preemption, and eager evaluation, which have so far only been available on CPUs, and have not been adequately investigated for custom ASICs.
A Case of Primary Central Nervous System Lymphoma: Crucial Implication in Multiphasic Physical and Brain Check-up. (2002)

We report a 75-year-old man with primary central nervous system (CNS) lymphoma which was detected on the first physical and brain check-up. He developed headache, depression and the loss of body weight for recent two months, and received multiphasic health check-up in our institute. On brain check-up (Stratis II, Hitachi Medical Co., Japan), T2-weiiiihed imaginnnng revealed multiple hyperintense signal areas in the periventricular white matter and basal ganglia. The differential diagnosis between brain tumors and multiple lacunar infarctions was needed because he had hypertension and severe degree of diabetes mellitus. Fluid-attenuated inversion recovery imaging disclosed markedly multiple hyperintense mass lesions. Gadolinium-enhanced T1-weighted imaging showed strong and homogenous enhancement. Brain tumor was confirmed by these features of MRI. Physical check-up showed no advanced malignant tumors in other organs. At first, brain metastatic tumor of unknown origin was suspected on physical and brain check-up. The definite diagnosis of primary CNS lymphoma was made by stereotactic brain biopsy in a University hospital. He was recovered after administration of steroid and radiotherapy. Primary CNS lymphoma was detected in one of 2, 312 adult subjects who received brain check-up between April 1, 2001 and January 31, 2002 in our institute. This unique case points out that multiphasic health tests, including simultaneous brain check-up, contribute to the early discover of fetal brain tumors. The combined data of physical and brain check-up could have benefits for the selection of further laboratory studies and therapeutic strategy in patients with brain tumors.
The role of “frequency factors” in determining the difference between low- and high-voltage mass spectra (1968)

D. H. Williams and R. G. Cooks, Chem. Commun. (London), 1968, 663 DOI: 10.1039/C19680000663
Direct evidence of tilted Bragg grating azimuthal radiation mode coupling mechanisms (2009)

A number of useful fiber optic devices depend on being able to predict and manipulate the radiation field emitted by tilted fiber Bragg gratings. Previously we demonstrated analytically the manner in which this radiation field is directionally dependent on the phase matching characteristics of a grating's three-dimensional structure as well as the polarization dependent dipole response of the medium itself. In this paper, for the first time, experimental measurements of the out-tapped field are presented which clearly illustrate and confirm the existence of the predicted trends associated with each of these physical mechanisms. Using an infrared camera and commercially available beam profiling software, these findings were gathered from a number of tilted fiber Bragg gratings written with an ultraviolet excimer laser at a variety of blaze angles.
Comparison of post-filtering methods for intelligibility enhancement of telephone speech (2012)

Post-filtering can be used to enhance the quality and intelligibility of speech in mobile phones. This paper introduces two straightforward post-filtering methods for near-end speech enhancement in difficult noise conditions. Both of the algorithms use a perceptually motivated high-pass filter to transfer energy from the first formant to higher frequencies. A Speech Reception Threshold (SRT) test was conducted to determine the performance of the proposed methods in comparison to a similar post-filtering approach and unprocessed speech. The results of the listening tests indicate that all of the post-filtering methods provide intelligibility enhancement compared to unprocessed speech, but there were no significant differences between the methods themselves.
Marble burying behavior is prevented by anxiolytics as well as by motorstimulants (2005)

Marble burying is used for characterizing potential anxiolytic drugs. Clinically used anxiolytics as diazepam reduce the number of marbles which are buried by an animal in a given time interval. We tested the effects of the anxiolytics diazepam (0.1–3mpk) and buspirone (1–10mpk) as well as the effects of the motorstimulants methamphetamine (0.1–3 mpk), cocaine (1–10mpk), MK–801 (0.003–0.3mpk) and phencyclidine (0.3–3mpk). Male NMRI mice (17–32g) received saline or drugs 0.5h before the test and were transferred into new cages, which were filled with sawdust of 5cm height. On top 24 glass marbles were placed. After 30min the number of buried marbles was counted. Both anxiolytics diazepam (ED50=1.4mpk) and buspirone (ED50=6.7mpk) reduced the number of buried marbles in a dose-related manner; all psychostimulants also reduced this number. The ED50s were 0.03mpk for MK–801, 0.3mpk for methamphetamine and 1.1mpk for PCP and 2.5mpk for cocaine. At the highest dose tested all psychostimulants led to a nearly full blockade of burying. So far, compounds inducing hypolocomotion were considered as the only false positives. Here we demonstrate for the first time that psychostimulants also produce false positive effects by inducing hyperlocomotion. We conclude that marble burying is a model not only sensitive to anxiolytics, but also to a variety of compounds interfering with motor activity.