gebhart/patrepeval huggingface dataset:
PAT-tree-based adaptive keyphrase extraction for intelligent Chinese information retrieval (1999)

Considering the urgent need for keyphrase extraction techniques in intelligent information retrieval, in this paper we present a PAT-tree-based adaptive approach, which is critical and fundamental for Chinese and other oriental languages. Compared with conventional dictionary-based approaches, the proposed approach can reduce the reliance on rigid lexicon and sophisticated word segmentation, and compared with conventional statistics-based approaches, it can handle phrases composed of high-frequency words regardless of phrase length. Furthermore, the approach has been designed carefully with Internet utilization in mind. For instance, it can be easily integrated into text retrieval systems to provide automatic term suggestion and is adaptable to changes of the database content. The proposed approach has been successfully used in several information retrieval applications, such as automatic term suggestion, domain-specific lexicon construction, book indexing and document classification. Many Chinese and oriental language processing applications are, therefore, able to move ahead from the character level to the word or phrase level.
A 1–17 GHz Stacked Distributed Power Amplifier with 19–21 dBm Saturated Output Power in 45nm CMOS SOI Technology (2018)

This paper presents a uniform distributed amplifier (DA) based on 45nm CMOS SOI. Four stacked transistors are employed in a single arm to construct a four-stage DA. The wideband distributed amplifier results in a measured maximum gain of 17.1 dB with a 3-dB small-signal bandwidth of 1-17 GHz. The saturated output power is 19 - 21 dBm at 1-17 GHz, with a peak power-added efficiency (PAE) is 12.2-19%. The DA consumes 97 mA from a 4.4 V supply, and the chip size is only 1.14 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> including all pads.
Implementing sequentially consistent shared objects using broadcast and point-to-point communication (2002)

A distributed algorithm that implements a sequentially consistent collection of shared read/update objects using a combination of broadcast and point-to-point communication is presented and proved correct. This algorithm is a generalization of one used in the Orca shared object system. The algorithm caches objects in the local memory of processors according to application needs; each read operation accesses a single copy of the object, while each update accesses all copies. Copies of all the objects are kept consistent using a strategy based on sequence numbers for broadcasts. The algorithm is presented in two layers. The lower layer uses the given broadcast and point-to-point communication services, plus sequence numbers, to provide a new communication service called a context multicast channel. The higher layer uses a context multicast channel to manage the object replication in a consistent fashion. Both layers and their combination are described and verified formally, using the I/O automaton model for asynchronous concurrent systems.
Spark Plasma Sintering of Commercial Zirconium Carbide Powders: Densification Behavior and Mechanical Properties (2015)

Commercial zirconium carbide (ZrC) powder is consolidated by Spark Plasma Sintering (SPS). Processing temperatures range from 1650 to 2100 °C. Specimens with various density levels are obtained when performing single-die SPS at different temperatures. Besides the single-die tooling setup, a double-die tooling setup is employed to largely increase the actual applied pressure to achieve higher densification in a shorter processing time. In order to describe the densification mechanism of ZrC powder under SPS conditions, a power-law creep constitutive equation is utilized, whose coefficients are determined by the inverse regression of the obtained experimental data. The densification of the selected ZrC powder is shown to be likely associated with grain boundary sliding and dislocation glide controlled creep. Transverse rupture strength and microhardness of sintered specimens are measured to be up to 380 MPa and 24 GPa, respectively. Mechanical properties are correlated with specimens' average grain size and relative density to elucidate the co-factor dependencies.
Miniature wire-shaped solar cells, electrochemical capacitors and lithium-ion batteries (2014)

It is critically important to develop miniature energy harvesting and storage devices in modern electronics, for example, for portable and foldable electronic facilities. In this review article, novel miniature solar cells, electrochemical capacitors and lithium-ion batteries as well as their integrated devices are carefully summarized. Particular emphasis has been paid to wire-shape energy devices that exhibit unique and promising advantages such as being lightweight and weaveable compared with the conventional planar architecture. Recent new materials and attractive designs are highlighted for these wire-shaped energy devices.
Peptide Transport (1981)

Other| June 01 1981 Peptide Transport D. B. A. Silk D. B. A. Silk 1Department of Gastroenterology and Nutrition, Central Middlesex Hospital, London Search for other works by this author on: This Site PubMed Google Scholar Clin Sci (Lond) (1981) 60 (6): 607–615. https://doi.org/10.1042/cs0600607 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Facebook Twitter LinkedIn MailTo Cite Icon Cite Get Permissions Citation D. B. A. Silk; Peptide Transport. Clin Sci (Lond) 1 June 1981; 60 (6): 607–615. doi: https://doi.org/10.1042/cs0600607 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll JournalsClinical Science Search Advanced Search This content is only available as a PDF. © 1981 The Biochemical Society and the Medical Research Society1981 Article PDF first page preview Close Modal You do not currently have access to this content.
Timing recovery in high bit-rate transmission systems over copper pairs (1998)

This letter proposes a timing recovery scheme for transmission systems with baud-rate sampling allowing the use of an all digital phase-locked loop. The impact of the numerically controlled oscillator on the attainable signal-to-noise ratio and jitter under conditions of the European Telecommunications Standardization Institute (ETSI) HDSL standard is discussed.
Isolation and Molecular Characterization of the Locked-on Mutant of Mg<sup>2+</sup>Sensor PhoQ in<i>Escherichia coli</i> (2005)

A Mg(2+) sensor mutant (PhoQD179L(A)) in which D179 of PhoQ was changed into L or A was isolated and characterized in Escherichia coli. PhoQ-PhoP regulon genes, phoPQ, mgtA and mgrB transcriptions were repressed at a high Mg(2+) concentration in WQ3007 (phoQ-defective strain)/pHO119, but not in WQ3007/pHO179L(A). The in vitro autophosphorylation activity of membrane-bound PhoQ was repressed by Mg(2+) (10 mM), but that of membrane-bound PhoQD179L(A) was not. Furthermore, the phosphotransfer from membrane-bound PhoQ to PhoP was also repressed by Mg(2+), but was not observed in membrane-bound PhoQD179L(A). These results suggest that PhoQD179L(A) is a locked-on mutant that is defective in extracellular Mg(2+)-sensing and that the D179 amino acid residue of PhoQ plays an essential role in signal transfer between the Mg(2+)-sensory and histidine kinase domain of PhoQ.
ST-CDP: Snapshots in TRAP for Continuous Data Protection (2011)

Continuous Data Protection (CDP) has become increasingly important as digitization continues. This paper presents a new architecture and an implementation of CDP in Linux kernel. The new architecture takes advantages of both traditional snapshot technology and recent Timely Recovery to Any Point-in-time (TRAP) architecture [CHECK END OF SENTENCE]. The idea is to periodically insert snapshots within the parity logs of changed data blocks in order to ensure fast and reliable data recovery in case of failures. A mathematical model is developed as a guide to designers to determine when and how to insert snapshots to optimize performance in terms of space usage and recovery time. Based on the mathematical model, we have designed and implemented a CDP module in the Linux system. Our implementation is at block level as a device driver that is capable of recovering data to any point-in-time in case of various failures. Extensive experiments have been carried out to show that the implementation is fairly robust and numerical results demonstrate that the implementation is efficient.
The ELF<sup>®</sup>‐97 phosphatase substrate provides a sensitive, photostable method for labelling cytological targets (2002)

We compared fluorescent signals obtained with fluorescein conjugates and the ELF-97 (enzyme-labelled fluorescence) phosphatase substrate [2-(5'-chloro-2-phosphoryloxyphenyl)-6-chloro-4(3H)-quinazolinone] in labelling cytological structures requiring high spatial resolution. Enzymatic cleavage of the ELF-97 phosphatase substrate yields an extremely fine precipitate that remains well localized to the site of enzymatic activity. This precipitate fluoresces bright yellow-green, with maximal excitation at approximately 360 nm and maximal emission at approximately approximately 530 nm. The ELF substrate was used with streptavidin-alkaline phosphatase, to fluorescently label site-specific probes bound to their targets, including cell-surface sites, cytoplasmic organelles, nuclear antigens and cytoskeletal networks. All targets were labelled successfully with both the ELF substrate and fluoresceinated probes or protein conjugates. However, the ELF method was frequently more sensitive, with lower background fluorescence, allowing detection of more lysosomes, actin filaments, microtubules and nuclear targets than were visible with corresponding fluoresceinated probes. The ELF substrate was also used with antifluorescein-alkaline phosphatase to amplify fluorescein signals. We found that the ELF signal was in all cases brighter and more photostable than fluorescein signals, permitting shorter film exposures and allowing more time for examining samples. Surprisingly, relative brightness and photostability depended on the target, rather than being a general phenomenon related to the choice of dye alone.
Enhancing Independence for People With Low Vision to Use Daily Panel-Interface Machines (2014)

Those that suffer from macular or vision degenerative diseases report lower levels of ease and ability to participate in daily activities, even when using the most advanced corrective lens technologies. They desire to gain independence in daily tasks, including using everyday machines. Plenty of the
Characterization of a Novel Far-Eastern Potato Virus Y Isolates (2009)

Potato Virus Y (PVY) isolates differed in pathogenicity and molecular properties were found in potato and wild plants in the Far East of Russia. The results of linking research of nucleotide sequence similarity and polymorphism of P1 gene region and serological and biological assays suggested that the viruses originated from a recombination and/or host adaptation events involving the ordinary type virus (PVY(0)) that led to development of necrotic type virus (PVY(N/NTN)) properties in the Far-Eastern PVY isolates.
Removal and degradation of glyphosate in water treatment: a review (2013)

Research Article| September 07 2013 Removal and degradation of glyphosate in water treatment: a review Jörgen Jönsson; Jörgen Jönsson 1WRc, Frankland Road, SN5 8YF, Swindon, United Kingdom E-mail: jorgen.jonsson@wrcplc.co.uk Search for other works by this author on: This Site PubMed Google Scholar Rob Camm; Rob Camm 1WRc, Frankland Road, SN5 8YF, Swindon, United Kingdom Search for other works by this author on: This Site PubMed Google Scholar Tom Hall Tom Hall 1WRc, Frankland Road, SN5 8YF, Swindon, United Kingdom Search for other works by this author on: This Site PubMed Google Scholar Journal of Water Supply: Research and Technology-Aqua (2013) 62 (7): 395–408. https://doi.org/10.2166/aqua.2013.080 Article history Received: April 11 2013 Accepted: July 27 2013 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Cite Icon Cite Permissions Search Site Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll JournalsThis Journal Search Advanced Search Citation Jörgen Jönsson, Rob Camm, Tom Hall; Removal and degradation of glyphosate in water treatment: a review. Journal of Water Supply: Research and Technology-Aqua 1 November 2013; 62 (7): 395–408. doi: https://doi.org/10.2166/aqua.2013.080 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Glyphosate is a broad spectrum, non-selective herbicide, widely used for the post-emergence control of annual and perennial weeds in a variety of applications. Although of low toxicity, its presence in drinking water is undesirable and can cause drinking water compliance failure in the EU if found at concentrations >0.1 μg L−1. Treatment methods such as ozonation and activated carbon are currently used for pesticide degradation and removal. This article provides a review of the reported efficiency in removal and degradation of glyphosate and aminomethylphosphonic acid (AMPA) by some commonly employed treatment options. Additional experiments have been carried out where knowledge gaps have been identified. Oxidants used in water treatment, particularly Cl2 and O3, are highly effective in degrading glyphosate and AMPA. Removal by coagulation and activated carbon is ineffective as a barrier against contamination in drinking water. UV treatment is also ineffective for glyphosate and AMPA degradation but the combination of UV/H2O2 provided significant degradation of glyphosate, but not AMPA, under the conditions investigated. UV/TiO2 treatment can degrade significant amounts of glyphosate but the irradiation time needed is long. Removal or degradation by bank filtration, slow sand filtration, ClO2 and membranes is variable but can provide significant removal under the right conditions. AMPA, drinking water, glyphosate, removal, review, treatment This content is only available as a PDF. © IWA Publishing 2013 You do not currently have access to this content.
Sustained hyperglycemia results in testicular dysfunction and reduced fertility potential in BBWOR diabetic rats (1990)

Rats with short-term diabetes show a greater than 50% reduction of serum testosterone and increased lipid in Leydig cells but normal testicular structure. The purpose of this study was to determine the extent of testicular pathology (morphology index), integrity of the blood-testis barrier, daily sperm production (DSP), number of Leydig cells per testis (LC/T), and total trunk testosterone (TTT) in diabetic rats (BBWORdp) with long-term hyperglycemia (300-350 mg/dl for greater than 180 days) and to evaluate its effects on fertility potential. Results were compared with similarly aged normoglycemic rats (BBWORdr) and normal control Wistar rats. After 6 mo of diabetes, testis weights, DSPs, TTTs, and the morphology index were significantly reduced. The LC/T was not different from BBWORdr rats. The blood-testis barrier appeared intact, although structural abnormalities were noted in Sertoli-Sertoli junction complexes. There was a significant reduction in the number of pregnancies per rat and implantations per pregnancy in matings utilizing the diabetic BBWORdp rat and control Wistar female rats. Results indicate that long-term diabetes with sustained hyperglycemia leads to significant testicular dysfunction associated with decreased fertility potential.
Analytical Pathway Methodology: Simplifying Business Intelligence Consulting (2011)

The implementation and use of advanced analytics to identify patterns and discover the non-obvious from structured and unstructured data sources to improve business performance or establish a competitive advantage is becoming more commonplace in enterprises. Delivering complex advanced analytical systems to mine unstructured data sources requires a complex decision-making process by the business analytics user to perform an analysis. In general, analytics is a process that often times requires continual iteration of the content sources(s) to locate, examine and interpret information to address an issue or hypothesis. This problem led us to explore a method to communicate, and eventually automate, an analytical pathway to be implemented with an analytical services system. In this paper we describe some of the challenges in the use of complex advanced analytics for business intelligence, an initial breakdown of the process and an approach to bringing repeatability to the analysis process.
Scaling behaviour of a-IGZO TFTs with transparent a-IZO source/drain electrodes (2012)

Abstract We analysed the scaling behaviour of amorphous indium gallium zinc oxide thin-film transistors (a-IGZO TFTs) with amorphous indium zinc oxide (a-IZO) transparent source/drain (S/D) electrodes. Due to the sputtering damage of the back-channel region during the a-IZO deposition process, the output characteristics show early saturation behaviour and the field-effect mobility in the saturation region is severely decreased in comparison with that in the linear region, especially when the channel length is decreased. Based on the transmission line method, we found that a long gate overlap distance is required due to the long current transfer length. Therefore, optimizing the parasitic resistance is required for the scaling down of a-IGZO TFTs with transparent a-IZO S/D electrodes.
An Efficient Hardware Architecture for H.264 Intra Prediction Algorithm (2007)

In this paper, we present an efficient hardware architecture for real-time implementation of intra prediction algorithm used in H.264/MPEG4 part 10 video coding standard. The hardware design is based on a novel organization of the intra prediction equations. This hardware is designed to be used as part of a complete H.264 video coding system for portable applications. The proposed architecture is implemented in Verilog HDL. The Verilog RTL code is verified to work at 90 MHz in a Xilinx Virtex II FPGA. The FPGA implementation can process 27 VGA frames (640times480) per second
High Voltage Water Breakdown Studies (1998)

Approved for public release; distribution is unlimited.])TIC QUAL INMI•EUTED 3 DESTRUCTION NOTICE: Destroy this report when it is no longer needed. Do not return to sender.
Epidermal Growth Factor Tethered through Coiled-Coil Interactions Induces Cell Surface Receptor Phosphorylation (2009)

We have elaborated and validated a novel approach for the oriented tethering of proteins such as the epidermal growth factor (EGF) on aminated surfaces. The grafting reactions were optimized to generate a dense and homogeneous EGF layer. Impact of EGF orientation on A-431 cellular response was investigated. Our results demonstrate that, in sharp contrast to responses obtained with soluble EGF supply or with randomly grafted EGF, oriented immobilization of EGF via a de novo designed coiled-coil capture system leads to a sustained phosphorylation of A-431 cell surface EGF receptors. Our results thus indicate that oriented protein immobilization via coiled-coil interactions is an efficient and versatile method to control tethering of bioactive molecules for future applications in the field of regenerative medicine and tissue engineering.
Alkylpurines as immunopotentiating agents. Synthesis and antiviral activity of certain alkylguanines (1993)

Several simple 8-substituted 9-alkyl- and 7,8-disubstituted 9-alkylguanine derivatives were synthesized as potential antiviral agents. These were tested for antiviral protection against a lethal Semliki Forest virus (SFV) infection in mice, and their antiviral properties were evaluated from a structure-activity standpoint. In this model system, 9-alkylguanines with the alkyl chain consisting of four to six carbons were found to be the most active. Substitution of the 8-position of the purine ring did not enhance activity, with the exception of the 7-alkyl-8-oxo substituent. These data were found to support the hypothesis that guanines need not contain an intact carbohydrate moiety in order to exhibit antiviral activity by virtue of immune potentiation. Hence, phosphorylation of guanosine analogs that exhibit antiviral activity by a similar mechanism does not play a significant role.
[Developing of a new multicolor-fluorescent labeled STR amplification kit]. (2006)

The STR amplification kit developed in our study gives a new approach to genotype these 18 loci in a efficient, steady and reliable way.
Design and implementation of heartbeat in multi-machine environment (2003)

Heartbeat mechanism is widely used in the high availability field of monitor network service and server nodes. In this paper, we design a distributed heartbeat mechanism, which consists of one Master node and multiple Standby nodes, all running the same process of heartbeat but in different states. We experimentally demonstrate that the mechanism improves the scalability over that of the dual computer nodes and supports nice fail-over. Moreover, the process of the heartbeat only needs to maintain few states, which dramatically reduces the overheads of the system and simplifies the management of the nodes. When there are only two nodes in the network, the mechanism will degenerate to dual computer heartbeat. In current version, the mechanism only supports the switch-based architecture; it is easy to make it supporting other architectures such as Ring, etc.
Combined Determination of Poly-β-Hydroxyalkanoic and Cellular Fatty Acids in Starved Marine Bacteria and Sewage Sludge by Gas Chromatography with Flame Ionization or Mass Spectrometry Detection (1986)

Extraction of lipids from bacterial cells or sewage sludge samples followed by simple and rapid extraction procedures and room temperature esterification with pentafluorobenzylbromide allowed combined determinations of poly-beta-hydroxyalkanoate constituents and fatty acids. Capillary gas chromatography and flame ionization or mass spectrometric detection was used. Flame ionization permitted determination with a coefficient of variation ranging from 10 to 27% at the picomolar level, whereas quantitative chemical ionization mass spectrometry afforded sensitivities for poly-beta-hydroxyalkanoate constituuents in the attomolar range. The latter technique suggests the possibility of measuring such components in bacterial assemblies with as few as 10 cells. With the described technique using flame ionization detection, it was possible to study the rapid formation of poly-beta-hydroxyalkanoate during feeding of a starved marine bacterium isolate with a complex medium or glucose and correlate the findings to changes in cell volumes. Mass spectrometric detection of short beta-hydroxy acids in activated sewage sludge revealed the presence of 3-hydroxybutyric, 3-hydroxyhexanoic, and 3-hydroxyoctanoic acids in the relative proportions of 56, 5 and 39%, respectively. No odd-chain beta-hydroxy acids were found.
Experimental study of the influence of moisture and dry density on a silt soil using a monopole probe (2009)

Abstract ABSTRACT: Dielectric measurements have been made on a silt soilboard with three moisture contents and different densities using a short monopole probe at microwave frequencies. A detailed analysis has been made to obtain the variation law of the real permittivity with the volumetric moisture content and the dry density of the soil studied. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 820–826, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24185