gebhart/patrepeval huggingface dataset:
Measurement of the Binding Energy for Di-σ C<sub>2</sub>H<sub>4</sub>/Pt{111}:  Does a Radical Intermediate Form During Thermal Desorption? (1996)

ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTMeasurement of the Binding Energy for Di-σ C2H4/Pt{111}: Does a Radical Intermediate Form During Thermal Desorption?Gregory Szulczewski and Robert J. LevisView Author Information The Department of Chemistry, Wayne State University Detroit, Michigan 48202-3489Cite this: J. Am. Chem. Soc. 1996, 118, 14, 3521–3522Publication Date (Web):April 10, 1996Publication History Received24 October 1994Published online10 April 1996Published inissue 1 January 1996https://pubs.acs.org/doi/10.1021/ja9434588https://doi.org/10.1021/ja9434588rapid-communicationACS PublicationsCopyright © 1996 American Chemical SocietyRequest reuse permissionsArticle Views129Altmetric-Citations16LEARN 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 SUBJECTS:Activation energy,Binding energy,Desorption,Energy,Precursors Get e-Alerts
A Thick-film Piezoelectric Multimorph Cantilever (2009)

Free-standing thick-film cantilevers have the potential to be used as micro-generators as well as self-generating resonant sensors. Earlier versions of free-standing devices were implemented by fabricating in the form of multilayer structures. Instead of structures with a plate of PZT sandwiched between upper and lower electrodes, multimorph structures consist of three individual PZT plates having equal thicknesses (of about 40 ?m each). Ag/Pd conductors form the separators between the layers, also acting as electrodes on the upper and lower layers of the structure. Each piezoelectric plate was polarised in its thickness direction with two different modes: parallel and series. In the parallel mode, both the upper and lower PZT plates were polarised in the opposite direction, while in the series mode the upper plates and the lower plates were polarised in the same direction. The centre plate of PZT acts as the neutral axis of the structure. Using the direct piezoelectric effect, a voltage was generated when the multimorph structures were bent by the application of a harmonic excitation. An output power of 10 ?W was measured for the parallel polarised sample. Series multimorphs, however, exhibited a non-linear effect, where the output power was 21 ?W for an up-sweeping frequency, but was reduced by a factor of 50 for a down-sweeping frequency.
Guest Editorial Fundamental Approaches to Network Coding in Wireless Communication Systems (2015)

The articles in this special issue focus on fundamental approaches to network coding in wireless communications systems. Wireless communication network providers are constantly striving for more efficient and reliable service provision to billions of customers across the globe. As such, there exist great opportunities in the research and development of advanced network coding techniques in emerging wireless communication systems and applications for further improving network capacity and performance. Arguably, bandwidth-hungry applications,such as multimedia, are to benefit the most from the many advantages that wireless network coding can offer, particularly higher throughputs, lower delays, and better scalability. Wireless network coding has a great potential to be applied at the physical layer, harnessing inherent interference in the wireless channel for more spectral efficiency. It can significantly enhance the performance of relay-based, device-to-device, and cooperative communication techniques in current and future wireless systems.
Distribution of Aflatoxin in Pistachios. 6. Seller's and Buyer's Risk (1999)

The seller's risk-the probability of a set of samples exceeding an agreed upon aflatoxin level when the lot mean does not-and the buyer's risk-the probability of a lot exceeding this level when a set of samples do not-have been computed using a parametrized experimental aflatoxin distribution and Monte Carlo simulation. The calculations are exemplified using the proposed EC standards (three 10 kg samples, 4 ng/g of total aflatoxin, basis kernels only) as well as for samples up to 250 kg and for varied lot aflatoxin levels. It is found that within this sample size range the seller's risk is as high as 42% at 10 kg and increases with increasing sample size to 80% at 250 kg. Only by reducing lot levels to 0.2 ng/g of total aflatoxin, basis kernels, can the risk be brought down to 2.5%, independent of sample size. The buyer's risk is as high as 58% at 10 kg but falls to 11% at 250 kg samples. The implications for both seller and buyer strategies are discussed.
Molecular Insight Into Surface Organometallic Chemistry Through the Combined Use of 2D HETCOR Solid-State NMR Spectroscopy and Silsesquioxane Analogues We are also indebted to the CNRS, ENS Lyon, and ESCPE Lyon for financial support. M.C. is grateful to the French ministry of education, research, and technology (MENRT) for a pre-doctoral fellowship. E.A.Q. gratefully acknowledges Università di Pisa and S.N.A.M. for financial support. 2D HETCOR=two-dimensional heteronuclear correlation. (2001)

Feher cage analogues, such as 1, provide easy access to models of surface structures such as 2, and give a better understanding of surface reactions. In addition, surface complexes such as 2 can be fully characterized by high-resolution 1D and 2D solid-state NMR spectroscopy. Supporting information for this article is available on the WWW under http://www.angewandte.com or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Self-contained measurement of thin-film superconducting penetration depths and nonsuperconducting film thicknesses in Josephson integrated circuits (1985)

In measurements of superconducting thin-film penetration depths, the need for a reference penetration depth has been eliminated by a modification of the direct-coupled SQUID technique. Furthermore, the technique is convenient for accurate measurements of insulator and thin-film resistor thicknesses in superconducting integrated circuits. Measurements of the penetration depths and insulator thicknesses have been obtained on different chips from a few wafers of a single fabrication run. The results indicate for the first time, on a small scale, the degree of chip-to-chip and wafer-to-wafer control presently obtainable for these parameters.
Performance Comparison of Three Rapid Tests for the Diagnosis of Drug-Resistant Tuberculosis (2015)

All three rapid assays evaluated provide clinicians with timely detection of resistance to the drugs tested; with molecular results available one day following laboratory receipt of samples. In particular, the very high specificity seen for detection of drug resistance means that clinicians can use the results of these rapid tests to avoid the use of toxic drugs to which the infecting organism is resistant and develop treatment regiments that have a higher likelihood of yielding a successful outcome.
Beggs and Haldeman Reply: (2005)

A Reply to the Comment by Dietmar Plenz.Received 12 August 2005DOI:https://doi.org/10.1103/PhysRevLett.95.219802©2005 American Physical Society
Coccidioidomycosis. (1993)

Coccidioidomycosis is a systemic fungal infection endemic to the southwestern United States and other parts of the western hemisphere. Although producing a wide range of disorders in healthy persons, immunosuppression predisposes to especially severe disease. Thus, a knowledge of the pathogenesis of coccidioidal infections and its relation to the normal immune responses is useful to understand the diversity of problems that Coccidioides immitis may cause. Diagnosis usually requires laboratory studies such as fungal culture or specific serologic testing. Fortunately, many patients do not need to be treated for the infection to resolve. Therapy for the more severe forms of coccidioidal infection was once limited to amphotericin B but now includes azole antifungal agents. These expanded alternatives now require physicians to weigh many factors in determining the best management for specific patients.
Impact of Kr gas mixing in oxygen plasma etching of ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymer films (2008)

Oxygen plasma etching characteristics of ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymer films are investigated. It was found in MFM (M: metal; F: ferroelectric) capacitors that plasma damage effects to the ferroelectric properties were insignificant when Au metal masks were used. On the contrary, C-V (capacitance versus voltage) characteristics were significantly degraded in plasma-etched MFIS (I: insulator; S: semiconductor) diodes. The origin of this phenomenon is speculated to be degradation of the SiO2∕Si interface by energetic oxygen ions and then mixing of Kr gas to the oxygen plasma is attempted to decrease the plasma damage.
Optical Trirefringence in Photonic Crystal Waveguides (2001)

We demonstrate that 2D photonic crystals can possess optical trirefringence in which there are six field orientations for which linear incident light is not perturbed on reflection or transmission. Such a property is rigorously forbidden in homogeneous nonmagnetic dielectrics which can possess only optical birefringence. We experimentally demonstrate this phenomena in silicon-based mesostructures formed from photonic crystal waveguides embedded in a Fabry-Perot cavity. Multirefringence is controlled by the presence of submicron dielectric patterning and is well explained by an exact scattering matrix theory.
Tunability of the Raman Laser (1966)

A discussion of the stimulated Raman effect, with special emphasis on the possibility of constructing a tunable Raman laser in which tuning over tens of angstroms can be expected, is presented. The requirement which must be satisfied to obtain a broad tuning range is that the vibrational transition involved in the Raman scattering be simultaneously infrared active, i.e., infrared absorbing. The tuning characteristic of the 704-cm−1 line in methylene chloride is examined in detail to illustrate the considerations presented.
In Vivo Energy Transfer from Bacteriochlorophyll <i>c</i>, <i>d</i>, <i>e</i>, or <i>f</i> to Bacteriochlorophyll <i>a</i> in Wild‐Type and Mutant Cells of the Green Sulfur Bacterium <i>Chlorobaculum limnaeum</i> (2017)

Abstract Green sulfur bacteria have light‐harvesting antenna systems, called chlorosomes, which usually contain one of bacteriochlorophyll (BChl) c , d , and e molecules depending on the bacterial strain. Additionally, BChl f has never been found in nature but was observed in chlorosomes of the constructed mutant. In this study, we used the brown‐colored green sulfur bacterium Chlorobaculum limnaeum RK‐j‐1 strain possessing BChl e , and constructed its mutants accumulating only either BChl c , d , or f . In the mutant cells, these pigments showed different electronic absorption spectra, and their Qy peaks shifted hypsochromically in the order of BChls c , d , e , and f . The energy transfer from the chlorosomal aggregates to BChl a in these mutant cells was observed at 77 K by using picosecond time‐resolved fluorescence measurements. According to the Förster energy‐transfer mechanism, the energy‐transfer efficiency from the chlorosomal aggregates to BChl a decreased in the order of BChl c , BChl d , BChl e to BChl f .
Close correlation of intra-abdominal fat accumulation to hypertension in obese women. (1990)

The relation between intra-abdominal visceral fat accumulation and blood pressure was investigated in 67 obese women (mean body mass index, 33.6 +/- 3.1; average age, 50 +/- 11 years). As an index of intra-abdominal fat accumulation, the ratio of the intra-abdominal visceral fat area to subcutaneous fat area was determined using a computed tomographic section at the level of the umbilicus. When the obese subjects were divided into a hypertensive group and a normotensive group, the ratio of the intra-abdominal visceral fat area to subcutaneous fat area in the hypertensive group was significantly higher (0.53 +/- 0.33 versus 0.29 +/- 0.12, p less than 0.01). Significant correlations between the ratio of intra-abdominal visceral fat area to subcutaneous fat area and systolic blood pressure (r = 0.62, p less than 0.001) and diastolic blood pressure (r = 0.53, p less than 0.001) also were found. However, no significant difference existed in either the body mass index or the waist-to-hip circumference ratio between the hypertensive and normotensive groups. Plasma renin activity, aldosterone, epinephrine, and norepinephrine levels were not significantly different between the two groups. Moreover, the correlation between the ratio of the intra-abdominal visceral fat area to subcutaneous fat area ratio and blood pressure was found independent of age and body mass index by multiple regression analyses. We conclude that intra-abdominal fat accumulation itself may play an important role in the pathogenesis of hypertension in obesity.
The Rise of the Meritocracy, 1870-2033: An Essay on Education and Equality (1961)

This thoughtful, scholarly, beautifully written book by Dr. Ulich, who is James Bryant Conant Professor of Education, Emeritus, of Harvard University, is, then, one emphasizing the centrality of the Western tradition in world affairs, the force of ideas in history, and the importance of intellectual selectivity in education. Those who can accept these principles of interpretation will find much wisdom in the observations of the author on the development of various national school systems. Inasmuch as the descriptive material with which Ulich works is familiar to serious students of education, it is in the reflections and observations that the major value of the work lies.
Wild Oat (<i>Avena fatua</i>) and Spring Barley (<i>Hordeum vulgare</i>) Density Affect Spring Barley Grain Yield (1991)

Addition series field experiments were conducted near Moscow, ID, in 1987 and 1988 to determine the relative aggressiveness of spring barley and wild oat and to determine the effect of barley and wild oat density and proportion on barley grain yield and wild oat seed rain. Regression analysis was used to describe the relationship of the aboveground biomass and grain yield to species density. Barley was more aggressive than wild oat. Barley biomass was affected most by intraspecific competition, while wild oat biomass was affected most by interspecific competition. Barley aggressiveness changed little throughout the growing season. Wild oat aggressiveness varied but was always less than barley aggressiveness. Increasing wild oat density had a negative, asymptotic-type effect on barley grain yield at all barley densities. However, the effect of wild oat was greatest at the lower density of barley. Increasing barley density decreased wild oat seed rain.
Interaction of Crystallins with the Cytoskeletal–Plasma Membrane Complex of the Bovine Lens (1984)

The isolated lenticular plasma membrane-cytoskeleton complex, when analysed by sodium dodecylsulphate-polyacrylamide gel electrophoresis, shows reproducibly a significant amount of crystallins, mainly alpha-crystallin. Evidence is provided that purified plasma membranes from the bovine lens also associate selectively with a limited number of newly synthesized polypeptides on cell-free translation of calf lens polyribosomes and addition of the membranes to the incubation medium. This capability is retained by purified lens membrane junctions. The polypeptides that are selected comprise alpha-crystallin chains (in particular alpha A2-crystallin), actin, vimentin and beta B1a-crystallin. Sequence analysis revealed that the latter has in its N-terminal extension a characteristic Pro-Ala track. The designation 'PAPA-arm' is proposed for this N-terminal region, comprising the alternating Pro-Ala sequence, that has previously also been found in rabbit myosin and might be responsible for anchoring beta B1a-crystallin to lens membranes.
ChemInform Abstract: Resolution of 2‐Amino‐5‐thiomethyl Pentanoic Acid (Homomethionine) with Aminopeptidase from Pseudomonas putida or Chiral Phosphoric Acids. (1986)

Abstract Aus der Allylverbindung (I) wird racemisches Homomethionin (II) hergestellt und unter Verwendung der im Titel genannten Aminopeptidase oder des chiralen Phosphorsäureesters (III) in die Antipoden getrennt.
Scattering of an induced surface electromagnetic field by fatigue cracks in ferromagnetic metals (1992)

In crack detection and sizing by the alternating current field measurement technique, U-shaped wires or coils excited by a high-frequency AC current source can be used to induce the surface field in the workpiece. The authors present a modeling technique for the interaction of a fatigue crack in a ferromagnetic metal with the surface field resulting from an inducer with two U-shaped wires. This work is an extension of a previous modeling technique to have developed for infinitely long (one-dimensional) cracks. In the present technique, the boundary of the fatigue crack is approximated by a circular arc, leading to a formulation for an efficient computation of the field-flaw interaction. Various numerical and experimental results supporting the modeling and illustrating the behavior of the magnetic field and electric potential at the metal surface around circular-arc cracks are presented.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Effect of Vanadium and Zirconium on the Formation of Metastable Phases in Aluminum and Iron Alloys (2018)

Microcrystalline alloys of Al–V, Al–Fe, Al–Fe–V, and Al–Fe–Zr systems are prepared via spinning. The alloys are studied by means of physicochemical analysis. The regions of homogeneity in the resulting supersaturated Al-based solid solutions are determined. The stages of the decomposition of supersaturated solid solutions are studied, along with the effect vanadium and zirconium additives have on the structure and phase composition of rapidly quenched Al and Fe alloys and their mechanical properties, including the effect of dispersion hardening.
Phosphorus Fertilizer use in Pineapple Cultivation with<i>in situ</i>Residues Burning on Organic Soils (2007)

In Malaysia, pineapples are grown on peat soils, but most phosphorus (P) fertilizer recommendations are made without due quantification of P uptake; the distribution of P in roots, stem, leaves, peduncle, fruit, and crown; or loss through leaching even though P retention in peat soils is low. This study was conducted to determine applied P-use efficiency under a conventionally recommended fertilization regime in pineapple cultivation with in situ residues burning before replanting. Results showed that most of the P uptake in pineapple can be found in the fruit, stem, leaves, and crown, but the general trend of P distribution was in the order of fruits > leaves > stem > crown > peduncle > roots. Phosphorus recovery in pineapple cultivation was about 40%, and this low recovery was attributed to leaching. Hence, fertilizer recommendations need to take into consideration P loss through leaching. This will help to increase P-use efficiency because it is not possible to build up P content of peat soils. As a result, the need to assess the possibility of side-dress applications of phosphatic fertilizers on peat soil is necessary. Copyright © Taylor & Francis Group, LLC.
Electrochemical Properties and Discharge Mechanism of Na/TiS<sub>2</sub>Cells with Liquid Electrolyte at Room Temperature (2012)

The electrochemical properties of Na/TiS2 cells fabricated from Na anodes and TiS2 cathodes and 1M sodium trifluoromethanesulfonate in tetraethyleneglycol dimethylether liquid electrolyte have been investigated. The discharge curve has two plateau regions of 2.1 V and 1.6 V. The loss of discharge capacity appeared mainly in the upper plateau (UP) region (2.0–2.6 V) and the discharge capacity in the low plateau (LP) region (0.8–2.0 V) does not decrease and is consistent during 40 cycles. The discharge process between Na and TiS2 has a complex reaction mechanism, the intercalation at the upper plateau region and the conversion at the low plateau region. Because, a distorted TiS2 phase appeared in the upper plateau, a new phase of NaxTiS2 was observed in the lower plateau, and the NaxTiS2 phase was disappeared after full discharge from the XRD and TEM results. The decrease of discharge capacity during cycling is occurred from the formation of NaxTiS2 phase in the cathode after full charging and is accumulated over cycling
ChemInform Abstract: Synthesis of Chiral Ferrocenyl Amino Alcohols Involving a Diastereospecific Oxidation: Use in Asymmetric Catalysis. (2000)

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.
Synthesis of Amphiphilic Block Copolymers by Atom Transfer Radical Polymerization (ATRP) (1998)

The controlled/“living” radical polymerization of n-butyl acrylate (n-BA) and 2-trimethylsilyloxyethyl acrylate (TMS−HEA) by atom transfer radical polymerization (ATRP) is reported. Di- and triblock copolymers with predefined block lengths and low polydispersities were obtained, using methyl 2-bromopropionate as the initiator, CuIBr as catalyst and N,N,N‘,N‘‘,N‘‘-pentamethyldiethylenetriamine as the ligand. Hydrolysis of the trimethylsilyl groups led to block copolymers with n-BA and 2-hydroxyethyl acrylate (HEA) units which were characterized by SEC, 1H NMR, and DSC. Diblock copolymers of n-BA and HEA could also be obtained by successive addition of the two monomers, in that order. The amphiphilic di- and triblock copolymers formed dispersions in water.
High Intensity Laser Proton Acceleration with Underdense Targets (2010)

Laser driven sources of high energy ions commonly use thin solid foils. However, recently experiments have shown that a gaseous target can produce proton beams with characteristics comparable to those obtained with solid targets. In underdense laser proton acceleration, volume effects dominate the acceleration, while in target normal sheath acceleration, the electric field value at the rear target side is directly related to the electron surface density. Using Particle‐In‐Cell simulations, we have studied in detail proton acceleration with high intensity laser pulses interacting with underdense plasmas. Underdense laser ion acceleration strongly depends on the length of the plasma, the laser pulse duration and intensity. A two‐step acceleration process has been observed: first, ions are accelerated in volume by electric fields generated by hot electrons, second, the ion energy is boosted in a strong electrostatic shock propagating along the descending density profile.