gebhart/patrepeval huggingface dataset:
Keyword extraction for document clustering using submodular optimization (2017)

With the rapid growth of information services, enormous amount of text corpus cannot simply be read and understand. Therefore, text clustering and visualization present a direct way to observe the documents as well as understand the topic by corresponding keywords. However, even a short paragraph contains a variety of words, which makes the keyword or topic extraction difficult to achieve. Therefore, we propose an algorithm to extract keywords efficiently and effectively, which makes use of the latent semantic indexing and submodular optimization. The visual layout allows users to simultaneously visualize (1) the overview of the whole dataset, (2) the detailed information in the specific scope of the collection of documents, and (3) the relationships of documents with their keywords.
A 3mW 1GHz ultra-wide-bandpass super-regenerative filter (2008)

This paper presents the ultra-wide-bandpass super- regenerative filter of 1 GHz bandwith. The super-regenerative bandpass filter (SR-BPF) with synchronization loop is designed to extract UWB impulses. The DC-free on-off keying modulated data pattern is required to synchronize the filter response with high sensitivity. The super-regenerative bandpass filter, tuned at 7 GHz, is sensitive to -90 dBm signals of 1 GHz bandwidth. The test structure of SR-BPF has been implemented in 0.18 mum CMOS technology. The data exchange rate of 100Mb/s is achieved with power consumption of 3 mW at 1.5 V.
Arterialized in Situ Saphenous Vein (1965)

A FREE GRAFT of autogenous greater saphenous vein has proven to be a reliable means for bypassing arterial obstructions of the lower extremities. This technique requires excision of a segment of the greater saphenous vein from either extremity, and construction of a vascular anastomosis between the ends of the vein segment and the artery above and below the obstructing lesion. Arterial blood flow is then reestablished through the graft. One must reverse the orientation of such a vein graft so that its valves do not interfere with the flow of blood. Rob<sup>1</sup>overcame the valve interference to blood flow in a vein graft by destruction of valves instead of by reversal of the vein's orientation. This allowed the greater saphenous vein to be left in its natural subcutaneous bed with only the ends of the vein exposed and mobilized to permit anastomosis to the artery above and below the
Regulon controlled by the GppX hybrid two component system in Porphyromonas gingivalis (2012)

The periodontal pathogen Porphyromonas gingivalis experiences a number of environmental conditions in the oral cavity, and must monitor and respond to a variety of environmental cues. However, the organism possesses only five full two-component systems, one of which is the hybrid system GppX. To investigate the regulon controlled by GppX we performed RNA-Seq on a ΔGppX mutant. Fifty-three genes were upregulated and 37 genes were downregulated in the ΔGppX mutant. Pathway analyses revealed no systemic function for GppX under nutrient-replete conditions; however, over 40% of the differentially abundant genes were annotated as encoding hypothetical proteins indicating a novel role for GppX. Abundance of small RNA was, in general, not affected by the absence of GppX. To further define the role of GppX with respect to regulation of a hypothetical protein observed with the greatest significant relative abundance change relative to a wild-type control, PGN_0151, we constructed a series of strains in which the ΔgppX mutation was complemented with a GppX protein containing specific domain and phosphotransfer mutations. The transmembrane domains, the DNA-binding domain and the phosphotransfer residues were all required for regulation of PGN_0151. In addition, binding of GppX to the PGN_0151 promoter regions was confirmed by an electrophoretic mobility shift assay. Both the ΔGppX mutant and a ΔPGN_0151 mutant were deficient in monospecies biofilm formation, suggesting a role for the GppX-PGN_0151 regulon in colonization and survival of the organism.
Intramolecular cycloaddition reactions of nitrones and hydroxylamines (1992)

This thesis was digitised by the British Library from microfilm. You can acquire a single copy of this thesis for research purposes by clicking on the padlock icon on the thesis file. Please be aware that the text in the supplied thesis pdf file may not be as clear as text in a thesis that was born digital or digitised directly from paper due to the conversion in format. However, all of the theses in Apollo that were digitised from microfilm are readable and have been processed by optical character recognition (OCR) technology which means the reader can search and find text within the document. If you are the author of this thesis and would like to make your work openly available, please contact us: thesis@repository.cam.ac.uk
Comparison of nonlinear and linear imaging techniques at high frequency (2002)

High frequency second harmonic imaging was compared with fundamental imaging in terms of lateral resolution, depth of field and image quality. In order to assess the fundamental beam at 20 MHz, the harmonic beam at 40 MHz, and the fundamental beam at 40 MHz of a 40 MHz broadband transducer, transmission measurements were performed using a hydrophone. The beam profile obtained using each of these techniques was estimated in a tissue-mimicking phantom. Image quality was evaluated in phantom and mouse tissue in vitro.
Properties of an .ALPHA.-1,3-glucanase from Streptomyces sp. KI-8. (1977)

Srome properties were examined of purified α-1, 3-glucanase isolated from the culture supernatant of the soil microorganism Streptomyces KI-8. The optimum pH and temperature were pH 5.4 and 60°C, respectively. The α-1, 3-glucanase was stable up to 50°C on heating for 10min. This enzyme hydrolyzed the substrate α-1, 3-glucan into glucose and nigerose by an endo-type of action. Nigerotriose, nigerotetraose and nigeropentaose were hydrolyzed into glucose and nigerose, whereas nigerose was not attacked. The degree of hydrolysis of pseudonigeran, Lentinus α-1, 3-glucan, mutan IG-1 (less soluble fraction) and IG-2 (more soluble fraction) by the α-1, 3-glucanase were 28.5%, 14.3%, 8.8% and 10.0%, respectively. Km values (mg/ml) for pseudonigeran, Lentinus α-1, 3-glucan, mutan IG-1 and IG-2 were 1.12, 1.98, 8.00 and 5.00. The enzyme solubilized 50 to 80% of mutan by concerted action with dextranase.
Immune Reconstitution Inflammatory Syndrome as a Posttransplantation Complication in Primary Immunodeficiency With Disseminated Mycobacterium avium (2019)

Patients with primary immunodeficiencies undergoing allogeneic hematopoietic cell transplantation (HCT) for difficult-to-control infections can experience immune reconstitution inflammatory syndrome (IRIS) following engraftment. In 3 patients with post-HCT IRIS related to mycobacterial infection, in vitro data demonstrate the emergence of pathogen-specific immune responses and a concomitant rise in plasma inflammatory markers.
The Necessity of Relay Selection (2010)

We determine necessary conditions on the structure of symbol error rate (SER) optimal quantizers for limited feedback beamforming in wireless networks with one transmitter-receiver pair and R parallel amplify-and-forward relays. We call a quantizer codebook "small" if its cardinality is less than R, and "large" otherwise. A "d-codebook" depends on the power constraints and can be optimized accordingly, while an "i-codebook" remains fixed. It was previously shown that any i-codebook that contains the single-relay selection (SRS) codebook achieves the full-diversity order, R. We prove the following: Every full-diversity i-codebook contains the SRS codebook, and thus is necessarily large. In general, as the power constraints grow to infinity, the limit of an optimal large d-codebook contains an SRS codebook, provided that it exists. For small codebooks, the maximal diversity is equal to the codebook cardinality. Every diversity-optimal small i-codebook is an orthogonal multiple-relay selection (OMRS) codebook. Moreover, the limit of an optimal small d-codebook is an OMRS codebook. We observe that SRS is nothing but a special case of OMRS for codebooks with cardinality equal to R. As a result, we call OMRS as "the universal necessary condition" for codebook optimality. Finally, we confirm our analytical findings through simulations.
P5322Oxidized phospholipids on apolipoprotein B-100 among black US adults with and without PCSK9 loss-of-function variants (2019)

Abstract Background High oxidized phospholipid-apolipoprotein B-100 (OxPL-apoB) levels are associated with an increased risk for coronary heart disease (CHD). Genetic PCSK9 loss-of-function (LOF) variants result in life-long lower levels of LDL-C and lipoprotein(a) and reduced CHD risk, but the association with OxPL-apoB is unknown. Purpose To estimate the association between PCSK9 LOF variants and OxPL-apoB levels among black adults. Methods Genotyping for LOF variants (Y142X and C679X) was conducted for 10,196 black Reasons for Geographic And Racial Differences in Stroke study participants. OxPL-apoB was measured using antibody E06 for all participants with LOF variants (n=241) and randomly selected participants, matched at a 1:3 ratio, without LOF variants (n=723). Low OxPL-apoB was defined as the bottom quartile of the population distribution (&lt;1.6 nM). Prevalence ratios (PR) and 95% confidence intervals (CI) were calculated for the association between PCSK9 LOF variants and low OxPL-apoB levels adjusting for age, sex, and estimated glomerular filtration rate. Results Adults with versus without PCSK9 LOF variants had lower LDL-C and lipoprotein(a) and were less likely to be taking a statin. (Table) A higher proportion of adults with versus without PCSK9 LOF variants had low OxPL-apoB levels (30.3 vs 23.4, p=0.03). After adjustment for covariates, the PR of low OxPL-apoB was increased for participants with compared to without LOF variants (PR 1.31, 95% CI 1.00, 1.72). Characteristics of REGARDS participants PCSK9 loss-of-function variant p-value Yes (n=241) No (n=723) Age, years, mean (SD) 63.7 (9.2) 63.8 (8.6) 0.81 Female, % 61.4 60.6 0.82 Diabetes, % 34.4 27.4 0.04 LDL-C, mg/dL, mean (SD) 85 (32) 118 (37) &lt;0.001 Lp(a), nmol/L, median (25th, 75th percentile) 63.2 (30.4, 119.6) 80.4 (39.7, 138.4) 0.02 Statin use, % 13.3 30.4 &lt;0.001 OxPL-apoB &lt;1.6 nM, % 30.3 23.4 0.03 Abbreviations: LDL-C, low-density lipoprotein cholesterol; Lp(a), lipoprotein(a); LOF, loss-of-function; nM, nanomolar; OxPL-apoB, oxidized phospholipids on apolipoprotein B-100; PCSK9, proprotein convertase subtilisin/kexin type-9; REGARDS, REasons for Geographic And Racial Differences in Stroke; SD, standard deviation. Conclusion Among black adults, PCSK9 LOF variants were associated with lower OxPL-apoB levels. Acknowledgement/Funding Industry/academic collaboration between Amgen Inc., University of Alabama at Birmingham and the Icahn School of Medicine at Mt. Sinai; and U01NS041588
Liquid Phase Boundaries, Dielectric Constant, and Viscosity of PC-DEC and PC-EC Binary Carbonates (2003)

Among the most important properties of a binary carbonate for its application in nonaqueous electrolytes for lithium batteries are its liquid phase boundaries, dielectric constant ɛ, and viscosity η. These properties were therefore experimentally evaluated in this work for two typical binary carbonates: propylene carbonate-diethyl carbonate (PC-DEC) and propylene carbonate-ethylene carbonate (PC-EC). Forming the upper temperature boundary of the liquid phase, the bubble point was found to change monotonically with solvent composition, falling with a large curvature from the boiling point of PC to that of DEC in PC-DEC, but rising to that of EC in PC-EC. Giving the lowest temperature of the liquid phase, the eutectic point of PC-DEC was found to be about 10° below the melting point of DEC, and that of PC-EC, only a few degrees below PC. The ɛ changed with solvent composition monotonically, falling with the weight fraction of DEC in PC-DEC but rising with of EC in PC-EC, and fell with rising temperature θ in both solvents. Bjerrum critical distance for ion pairing was evaluated from the measured ɛ data and was found to depend weakly on θ but strongly on Glass transition temperature was measured for the two solvents for the purpose of evaluating their η and was found to fall with of DEC in PC-DEC but rise slowly with of EC in PC-EC. The apparent parallelism in the changes of ɛ, and was attributed to their common connection to the internal cohesion of a solvent. As η is also largely determined by this cohesion, it was argued and demonstrated that could be used to qualitatively evaluate η of the carbonates and their mixtures. η of the two solvents was thus seen to fall with of DEC in PC-DEC and rise slowly with of EC in PC-EC. © 2003 The Electrochemical Society. All rights reserved.
Building with bubbles: the formation of high surface area honeycomb-like films via hydrogen bubble templated electrodeposition (2015)

While the evolution of hydrogen gas is often a troublesome process accompanying electrodeposition, this feature can be exploited to template the growth of highly porous surfaces. This process, known as the dynamic hydrogen bubble template (DHBT) method, can be utilised to create a wide range of macroporous films with nanostructured pore walls. This feature article presents an overview of the status of the DHBT technique, highlighting preparation techniques and emerging applications.
Reaction of metal carbonyl anions with metal carbonyl dimers: thermodynamic and kinetic factors that control the reactions (1991)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReaction of metal carbonyl anions with metal carbonyl dimers: thermodynamic and kinetic factors that control the reactionsM. Shauna Corraine and Jim D. AtwoodCite this: Organometallics 1991, 10, 7, 2315–2318Publication Date (Print):July 1, 1991Publication History Published online1 May 2002Published inissue 1 July 1991https://pubs.acs.org/doi/10.1021/om00053a038https://doi.org/10.1021/om00053a038research-articleACS PublicationsRequest reuse permissionsArticle Views115Altmetric-Citations17LEARN 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-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts
Agronomic and seed quality evaluation of Camelina sativa in western Canada (2006)

Renewed interest in Camelina sativa is primarily due to the unique fatty acid profile of the seed oil and its potential value in industry, cosmetics and human nutrition. To exploit C. sativa in western Canada, more information is needed on the performance of this crop in this region. Following a preliminary evaluation in 2001, replicated agronomic trials were conducted in 2002 and 2005 with 19 C. sativa and three oilseed Brassica accessions at Saskatoon and Scott, Saskatchewan and Beaverlodge, Alberta. The C. sativa accessions matured relatively early and were more tolerant of drought and flea beetle infestations than the Brassica oilseeds. Some C. sativa accessions had seed yields competitive with those of the Brassica oilseeds, but seed size was significantly smaller. Seed yields and oil contents of all crop species tested were highest at Beaverlodge, the most northern location. The Brassica oilseeds generally had higher oil contents than C. sativa; the highest oil contents of each crop species tested were associated with the lowest protein contents. In general, average oil and protein contents for C. sativa ranged from 38 to 43% and from 27 to 32%, respectively; for the Brassica checks, oil and protein contents ranged from 38 to 53% and from 21 to 33%, respectively, across all species. Variation in fatty acid composition was higher among the C. sativa accessions than among locations, but overall the ranges of individual fatty acids were relatively narrow. The most abundant fatty acids were oleic (12.8–14.7%), linoleic (16.3–17.2%), linolenic (36.2–39.4%) and eicosenoic (14.0–15.5%). The prospects of developing improved C. sativa germplasm for particular western Canadian environments are good; of primary importance are increased seed size and oil content. Additionally, stand establishment, fertility requirements and broadleaf weed control options need to be investigated. Acceptance of this species as a new oilseed crop for western Canada will also require developing sustainable markets for the oil and meal. Key words: Camelina sativa, seed quality, agronomic trait, oil and protein content, fatty acid
Amplification, cloning, and sequencing of a nifH segment from aquatic microorganisms and natural communities (1991)

By use of the polymerase chain reaction and degenerate oligonucleotide primers for highly conserved regions of nifH, a segment of nifH DNA was amplified from several aquatic microorganisms, including an N2-fixing bacterium closely associated with the marine filamentous cyanobacterium Trichodesmium sp., a heterotrophic isolate from the root/rhizome of the seagrass Ruppia maritima, and the heterocystous freshwater cyanobacterium Anabaena oscillarioides. nifH segments were amplified directly from DNA extracted from the rhizosphere of roots of the seagrass Halodule wrightii. The nifH fragments were then cloned and sequenced. The DNA and deduced amino acid sequences were compared with known sequences, revealing distinct differences between taxonomic groups. This technique was shown to be useful for (i) the detection of N2-fixing microorganisms and (ii) rapidly obtaining the DNA sequence of the nifH gene, which provides information about general taxonomic groups of N2-fixing microorganisms.
Unifying and Merging Well-trained Deep Neural Networks for Inference Stage (2018)

We propose a novel method to merge convolutional neural-nets for the inference stage. Given two well-trained networks that may have different architectures that handle different tasks, our method aligns the layers of the original networks and merges them into a unified model by sharing the representative codes of weights. The shared weights are further re-trained to fine-tune the performance of the merged model. The proposed method effectively produces a compact model that may run original tasks simultaneously on resource-limited devices. As it preserves the general architectures and leverages the co-used weights of well-trained networks, a substantial training overhead can be reduced to shorten the system development time. Experimental results demonstrate a satisfactory performance and validate the effectiveness of the method.
Direct VMS Targeting through Preserved Relative Amplitude Processed Seismic Imaging at Neves Corvo, Portugal (2014)

Exploration of deep VMS deposits at the Neves Corvo mine on the Iberian Pyrite Belt was further advanced through a specialised application of surface seismic techniques. The contrast in impedances from elastic property measurements of core samples showed that there should be a significant difference in the seismic response of mineralisation compared to the surrounding host rocks. These results indicated that relative amplitude preservation processing may be of importance to help reduce the ambiguity in direct, seismic amplitude anomaly based targeting of Volcanogenic Massive Sulphides. However, such processing was not easy to implement due to an intrinsically low signal to noise ratio, complex 3D geology, high scattering level and often patchy and poor reflectivity. The newly obtained 3D seismic cube was calibrated with the existing boreholes to show superior ore zonation and precision required for the subsequent deep drilling campaign.
Tenotomy of the middle ear muscles causes a dramatic reduction in vertigo attacks and improves audiological function in definite Meniere's disease (2011)

A statistically significant improvement of inner ear hearing levels postoperatively (p = 0.041) and a major reduction in vertigo attacks in all groups (p < 0.001) with complete absence of attacks in 26/30 patients was noted. Results remained constant up to 9 years postoperatively. Although tinnitus persisted, the intensity was lower overall (p = 0.013).
A Concept to Use Spatial Knowledge of Genomic Structures to Support the Alignment of Bacterial Genomic DNA Sequences (2003)

There exists a strong need for a qualitative spatial knowl-edge representation that is capable of modeling and of rea-soning about knowledge of genomic structures. The reason-ing component can help to improve the biological plausibil-ity of existing alignment approaches for bacterial genomic DNA sequences, which at present relies exclusively on similarity comparisons on the string level. Genomic DNA sequences of bacteria, even within the same species, can be highly variable. This variability exists not only at the string level, but also at the structural level, i.e. the order of genes and their coding is less conserved as could be expected. Therefore, the comparisons of genomic DNA sequences should not only use the sequence similarity on the string level, but they should rather be extended to the structural level. We present a concept to support the alignment proce-dure with one-dimensional spatial knowledge of genomic structures like genes and their regulatory regions, which is expressive since it allows a specification and reasoning about spatial relations between genomic structures by dis-junctions of qualitative relations.