gebhart/patrepeval huggingface dataset:
Batch extraction with reaction: phenolic antioxidant migration from polyolefins to water. 2. Experimental results and discussion (1989)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBatch extraction with reaction: phenolic antioxidant migration from polyolefins to water. 2. Experimental results and discussionThomas P. Gandek, T. Alan Hatton, and Robert C. ReidCite this: Ind. Eng. Chem. Res. 1989, 28, 7, 1036–1045Publication Date (Print):July 1, 1989Publication History Published online1 May 2002Published inissue 1 July 1989https://pubs.acs.org/doi/10.1021/ie00091a024https://doi.org/10.1021/ie00091a024research-articleACS PublicationsRequest reuse permissionsArticle Views260Altmetric-Citations31LEARN 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
ACE2 Gene Polymorphisms Do Not Affect Outcome of Severe Acute Respiratory Syndrome (2004)

Severe acute respiratory syndrome (SARS) is the first pandemic of the 21st century (1). Since its recognition, 8437 individuals have been affected and 813 have died (2). Approximately 20–30% of patients required intensive care admission (1). Although there was a slight predominance of female SARS patients, possibly because of the overrepresentation of female healthcare workers (1), male SARS patients were more likely to suffer poor outcomes (3). In a major hospital outbreak in Hong Kong (4), 32% of male and 15% of female SARS patients required intensive care or died. Remarkably, similar demographic data were seen among SARS patients in the greater Toronto area, Canada, where 32% of males and 14% of females with SARS required intensive care or died (5). Karlberg et al. (3) studied the case fatality rates among all confirmed SARS patients documented in the Hong Kong SARS epidemic in 2003. The authors concluded that the mortality rates differed significantly between males and females, being 21.9% and 13.2%, respectively. The relative risk for death in males was 1.62 after adjustment for age. It is thus an intriguing coincidence that ACE2 , the gene for the newly identified functional receptor for the SARS coronavirus, angiotensin-converting enzyme 2, maps to the X-chromosome (Xp22) (6).

ACE2 was first identified as a homolog of angiotensin-converting enzyme with zinc metalloproteinase activity (7). Many of its activities differ from those of angiotensin-converting enzyme (8). ACE2 has been found …
SHG in a slab‐type waveguide with a 2‐methyl‐4‐nitroaniline crystal as a high index top layer (1985)

Abstract Recently, it has been recognized that organic materials have a very large nonlinear optical constant compared with non‐organic materials (e.g., KDP and LiNbO 3 ). It has been known that 2‐methyl‐4‐nitroaniline (MNA), among them, has an extremely large SHG tensor, although this has a disadvantage in that the d 11 component cannot be matched in phase in the bulk crystal state. When an MNA single‐crystal made by using the vapor‐phase method and shaped in a thin parallelogram, is set on a tapered slab‐type thin‐film waveguide appropriately, and the fundamental wave is applied as a TE wave, it is possible to match the phase of the fundamental wave and the phase of the second harmonic wave at a certain waveguide thickness. Since the refractive index of the MNA is greater than that of the slab‐type waveguide film, an SHG is observed at the resonating film thickness when the high‐refractive‐index top layer is used. The observation of the second harmonic (0.532 μm) was made by using an Nd:YAG pulse laser (1.064 μm) for the fundamental wave. The phase matching point was examined from the dispersion curves which was calculated from the waveguide structure parameter. The results show that this phenomenon is the conversion from the TE first of the fundamental wave to the TE second of the secondary harmonic. The efficiency of the MNA observed was not great since the overlapping of the two wave types is not large.
Oxidation-Reduction Hydration of Olefins with Molecular Oxygen and 2-Propanol Catalyzed by Bis(acetylacetonato)cobalt(II) (1989)

Abstract In the presence of a catalytic amount of bis(acetylacetonato)cobalt(II), various olefins are hydrated with oxygen and secondary alcohol to afford the corresponding alcohols together with alkanes and ketones via Oxidation-Reduction process. Effect of additives in the present hydration reaction shows that 2,6-lutidine and 2-picoline inhibit the production of alkanes in a large extent to result in the better yielding of alcohols.
Delivering Internet-of-Things services in MobilityFirst Future Internet Architecture (2012)

In the emerging paradigm of pervasive computing, applications change their behaviors in response to their environmental context, which is provided by the smart objects in the Internet of Things (IoT). IoT envisions building a convergent platform to share dynamic data from smart objects and middleware services that process the data. In this paper, we show that the MobilityFirst Future Internet Architecture is an ideal platform for realizing pervasive computing in an IoT framework. In particular, MobilityFirst's identity based routing, overloaded identity resolution, content caching and in-network compute plane are excellent building blocks for IoT service distribution. We then present a detailed example of a location context-aware service built as a dynamic content service, and discuss innetwork distribution of this IoT service via MobilityFirst future Internet, whereas now only possible via overlay content distribution network (CDN).
Energy deposition during electron-induced dissociation (1993)

We report studies of the internal energy deposited during activation of mass-selected ions through electron-ion collisions. Characteristic fragmentations of the molecular ion of limonene and W(CO) (n/+) (n = 1-6) indicate that electron-induced dissociation in a Fourier transform ion cyclotron resonance mass spectrometer proceeds via multiple collisions and that the average internal energy deposited during the activation process can be selected to be similar to that associated with electron-impact ionization. Control of the degree of ion excitation through selection of the electron energy, flux, and interaction time with the ions of interest is demonstrated, and advantages of this promising activation technique are discussed.
A high power and high efficiency amplifier with controlled second-harmonic source impedance (2002)

A novel technology that drastically improves output power and efficiency of amplifiers has been developed. A record high 74% power added efficiency (PAE) with an output power (Pout) of 31.4 dBm (1.4 W) has been achieved from an ion implanted GaAs MESFET at a low supply voltage of 3.5 V and 930 MHz, by optimally terminating second-harmonic source impedance as well as second-harmonic load impedance. By using this technology, a small sized (0.4 cc) power amplifier module for cellular phones has been developed. It has realized a high PAE of 66% with Pout of 31 dBm (1.25 W) under the condition of 3.5 V around 915-945 MHz band.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
An argument for using additional bedside tools, such as bedside ultrasound, for volume status assessment in hospitalized medical patients: A needs assessment survey (2014)

The frequency at which housestaff need to assess volume status on medical inpatients is unknown. In this brief report, we invited 39 housestaff, over 13 randomly selected dates, to complete a 25-item survey. Participants (n = 31, 79%) logged a total of 455 hours, reporting 197 pages or telephone requests received regarding medical inpatients. Of these, 41 pages (21%) required a volume status assessment. Participants reported their volume status assessment competency to be moderate (median score = 3, interquartile range = 3 to 4, where 1 = not competent to perform independently and 6 = above average competence). In 9 of the 41 assessments (22%), at least 1 barrier was reported in determining volume status. The most commonly reported barriers were conflicting physical examination findings (n = 8, 20%) and suboptimal patient examination (n = 5, 12%). Over 20% of pages regarding admitted medical patients required volume status assessments by medical housestaff. Despite moderate self-reported competence in the ability to assess volume status, barriers such as conflicting physical examination findings and suboptimal patient examinations were present in up to 20% of assessments. Therefore, we urge educators to consider incorporating bedside ultrasound training for volume status into the internal medicine curriculum.
Inflammatory breast cancer: what progress have we made? (2011)

Inflammatory breast cancer (IBC) is a rare and aggressive subtype of locally advanced breast cancer (LABC). Its diagnosis is primarily clinical; however, a pathological confirmation of invasive cancer is required. Historically, IBC was a uniformly fatal disease. A major advance in the last three decades has been the introduction of a multidisciplinary approach to the management of this aggressive disease, incorporating pre-operative chemotherapy, surgery, and radiation therapy; this approach has significantly improved survival. Our review focuses on the progress made in the field of IBC research over the last decade, with particular attention to advances in the areas of epidemiology, molecular biology, arid clinical management.
Lunar soils grain size catalog (1993)

This catalog compiles every available grain size distribution for Apollo surface soils, trench samples, cores, and Luna 24 soils. Original laboratory data are tabled, and cumulative weight distribution curves and histograms are plotted. Standard statistical parameters are calculated using the method of moments. Photos and location comments describe the sample environment and geological setting. This catalog can help researchers describe the geotechnical conditions and site variability of the lunar surface essential to the design of a lunar base.
Hepatitis B virus particles contain a polypeptide encoded by the largest open reading frame: a putative reverse transcriptase (1988)

A segment of the largest open reading frame of hepatitis B virus (HBV) was inserted into an open reading frame vector directing the expression in Escherichia coli of a fusion molecule containing 143 HBV-encoded amino acids. The fusion protein was used to generate antiserum which served in immunoblots to identify a polypeptide with a molecular mass of 65 kilodaltons in HBV particles. Because of the small number of molecules in virus particles, unambiguous detection required the development of a highly sensitive immunoblot procedure.
Catalytic asymmetric synthesis of epoxides mediated by chiral iminium salts (1996)

The catalytic asymmetric oxidation of unfunctionalised alkenes is achieved by a non-transition metal catalysed process; just 5 mol% of the binaphthyl-based iminium salt 1 is sufficient to catalyse the oxidation of alkenes to epoxides with moderate to good enantioselectivity.
Highway or country road: algal recruitment with distance from an island reef (2004)

Subtidal macroalgal assemblages differed among islands within the Recherche Archipelago, Western Australia, with respect to species biomass. To investigate whether macroalgal populations were maintained locally, settlement plates were moored in 10 to 15 m depths at a reef sampled for macroalgal diversity, and 20, 50, 100, and 500 m away from the reef. Plates were retrieved after eight months and assemblage differences were compared with distance from the sampled reef. Macroalgal richness decreased with distance from an island assemblage and molluscan richness increased. At 500 m away, the number of algal recruits was negligible and the number of bivalves was relatively high.
Peptide Ligands of pp60<sup>c-src</sup> SH2 Domains:  A Thermodynamic and Structural Study (1997)

Thermodynamic measurements, structural determinations, and molecular computations were applied to a series of peptide ligands of the pp60(c-src) SH2 domain in an attempt to understand the critical binding determinants for this class of molecules. Isothermal titration calorimetry (ITC) measurements were combined with structural data derived from X-ray crystallographic studies on 12 peptide-SH2 domain complexes. The peptide ligands studied fall into two general classes: (1) dipeptides of the general framework N-acetylphosphotyrosine (or phosphotyrosine replacement)-Glu or methionine (or S-methylcysteine)-X, where X represents a hydrophobic amine, and (2) tetra- or pentapeptides of the general framework N-acetylphosphotyrosine-Glu-Glu-Ile-X, where X represents either Glu, Gln, or NH2. Dipeptide analogs which featured X as either hexanolamine or heptanolamine were able to pick up new hydrogen bonds involving their hydroxyl groups within a predominantly lipophilic surface cavity. However, due to internal strain as well as the solvent accessibility of the new hydrogen bonds formed, no net increase in binding affinity was observed. Phosphatase-resistant benzylmalonate and alpha,alpha-difluorobenzyl phosphonate analogs of phosphotyrosine retained some binding affinity for the pp60(c-src) SH2 domain but caused local structural perturbations in the phosphotyrosine-binding site. In the case where a reversible covalent thiohemiacetal was formed between a formylated phosphotyrosine analog and the thiol side chain of Cys-188, deltaS was 25.6 cal/(mol K) lower than for the nonformylated phosphotyrosine parent. Normal mode calculations show that the dramatic decrease in entropy observed for the covalent thiohemiacetal complex is due to the inability of the phosphotyrosine moiety to transform lost rotational and translational degrees of freedom into new vibrational modes.
MODEL OF CHOICES, INSTITUTIONS AND DIRECT DEMOCRACY QUASI-ECONOMIC FACTORS OF THE INFLUENCE OF UNDERGROUND ECONOMY (2016)

<p><em>Research in recent decades has shown that an analysis of underground economy from the limiting perspective of economic factors of influence is insufficient.</em> <em>Through an integrative approach it is opened the way to a multidisciplinary and multi causal understanding of all factors (economic, noneconomic, quasi economic) that influence the phenomenon of underground economy. The present work pleads for the analysis of the concept underground economy (multidimensional and composite) through the instruments of study: the choices, institutions and direct democracy. The model of choices express the decision of labor force to activate on the official labor market or to the illegal labor market in the context given by opportunities, preferences and constraints. Institutions defines the capacity of regulation and implementation of government policies with implications in stimulating or discouraging economic subjects to hide activities in the sphere of underground economy. Direct democracy through its institutions (referendums, legislative initiatives) provides the political framework for the active involvement of the taxpayer as a voter or elector to a healthy and sustainable economic development. The results of active involvement of citizens consist in a more effective implementation of strategies and tax policies and a reduction of incentives to escape in the sphere of economic informality.</em></p> <p> </p>
Adrenal Toxicology (2008)

The adrenal in toxicology : , The adrenal in toxicology : , کتابخانه دیجیتال جندی شاپور اهواز
Influence of the Magnetic Field Gradient on the Extraction of Slow Sodium Atoms outside the Solenoid in the Zeeman Slower (1997)

In order to produce an intense steady flux of slow sodium atoms outside the solenoid in a Zeeman slower, the relation between the extraction velocity of the atoms and the magnetic field gradient at the exit of the Zeeman solenoid was examined. When the magnetic field gradient was 0.5 T/m, slow atoms with a velocity of 160 m/s were extracted outside the solenoid with a slowing laser detuning of 250 MHz. On the other hand, when the magnetic field gradient was higher, i.e., 1.4 T/m, slow atoms with a velocity of 30 m/s were extracted with a slowing laser detuning of 550 MHz. The magnetic-field adiabatic following condition is discussed by comparing the experimental results with those of a Monte Carlo simulation.
Automatic Website Summarization by Image Content: A Case Study with Logo and Trademark Images (2008)

Image-based abstraction (or summarization) of a Web site is the process of extracting the most characteristic (or important) images from it. The criteria for measuring the importance of images in Web sites are based on their frequency of occurrence, characteristics of their content and Web link information. As a case study, this work focuses on logo and trademark images. These are important characteristic signs of corporate Web sites or of products presented there. The proposed method incorporates machine learning for distinguishing logo and trademarks from images of other categories (e.g., landscapes, faces). Because the same logo or trademark may appear many times in various forms within the same Web site, duplicates are detected and only unique logo and trademark images are extracted. These images are then ranked by importance taking frequency of occurrence, image content and Web link information into account. The most important logos and trademarks are finally selected to form the image-based summary of a Web site. Evaluation results of the method on real Web sites are also presented. The method has been implemented and integrated into a fully automated image-based summarization system which is accessible on the Web (www.intelligence.tuc.gr/websummarization)
Role of the colony-stimulating factor (CSF)/CSF-1 receptor axis in cancer (2016)

Cancer cells employ a variety of mechanisms to evade apoptosis and senescence. Pre-eminent among these is the aberrant co-expression of growth factors and their ligands, forming an autocrine growth loop that promotes tumour formation and progression. One growth loop whose transforming potential has been repeatedly demonstrated is the CSF-1/CSF-1R axis. Expression of CSF-1 and/or CSF-1R has been documented in a number of human malignancies, including breast, prostate and ovarian cancer and classical Hodgkin's lymphoma (cHL). This review summarizes the large body of work undertaken to study the role of this cytokine receptor system in malignant transformation. These studies have attributed a key role to the CSF-1/CSF-1R axis in supporting tumour cell survival, proliferation and enhanced motility. Moreover, increasing evidence implicates paracrine interactions between CSF-1 and its receptor in defining a tumour-permissive and immunosuppressive tumour-associated stroma. Against this background, we briefly consider the prospects for therapeutic targeting of this system in malignant disease.
Monolithic wavelength-selective switches and cross connects with integrated MEMS mirror array (2006)

Wavelength-selective switches (WSSs) and wavelength-selective cross connects (WSXCs) enable flexible, intelligent wavelength-division-multiplexed (WDM) networks as well as reduce the operating cost. In a 1×N WSS, the wavelengths from the input port can be independently switched to any of the N output ports. WSXC allows switching of optical signals at wavelength level between N input ports and N output ports. Most of the WSS and WSXC reported to date are realized by free-space optical systems with either micro-electro-mechanical-systems (MEMS) or liquid crystal (LC) beamsteering array, or by silica-based planar lightwave circuits with cascaded 2×2 thermal optical switches. In this paper, we report on the approach to monolithically integrate the WSS and WSXC on a single silicon-on-insulator (SOI) chip. Optical waveguides, microgratings, parabolic reflectors, as well as MEMS active switching micromirrors are fabricated on the same substrate using a one-step etching process. We have successfully fabricated a 1×4 WSS with CWDM (20- nm) channel spacing on a 1×2-cm<sup>2</sup> chip, and achieved a fiber-to-fiber insertion loss of 11.7 dB, and a switching time of 0.5 msec. The monolithic 4x4 WSXC is realized by integrating four 4×1 WSSs and four 1×4 multi-mode interference (MMI) splitters on the same wafer. No fiber connections or external splitter are required. The fabricated 4×4 WSXC has a chip area of 3.2×4.6 cm<sup>2</sup> and an insertion loss of 24 dB, including a 6-dB splitting loss. The WSXC supports unicast, multicast, and broadcast functions. The devices can be further scaled to DWDM (100-GHz) channel spacing.
Planning of Component Placement/Insertion Sequence and Feeder Setup in PCB Assembly Using Genetic Algorithm (1993)

A new application of the genetic algorithm approach is introduced to solve printed circuit board assembly planning problems. The developed genetic algorithm finds the sequence of component placement/insertion and the arrangement of feeders simultaneously, for achieving the shortest assembly time, for three main types of assembly machines. The algorithm uses links (parents) to represent possible solutions and it applies genetic operators to generate new links (offspring) in an iterative procedure to obtain nearly optimal solutions. Examples are provided to illustrate solutions generated by the algorithm.
Chlorodisilanes. Preparation and silicon-hydrogen stretching frequencies (1968)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTChlorodisilanes. Preparation and silicon-hydrogen stretching frequenciesR. P. Hollandsworth and M. A. RingCite this: Inorg. Chem. 1968, 7, 8, 1635–1637Publication Date (Print):August 1, 1968Publication History Published online1 May 2002Published inissue 1 August 1968https://pubs.acs.org/doi/10.1021/ic50066a033https://doi.org/10.1021/ic50066a033research-articleACS PublicationsRequest reuse permissionsArticle Views181Altmetric-Citations32LEARN 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