gebhart/patrepeval huggingface dataset:
Susceptibility of certain Egyptian and imported wheat cultivars to infestation <i>by <i>Sitophilus oryzae</i></i> and <i><i>Rhyzopertha dominica</i></i> (2018)

Stored wheat grains are vulnerable to attack by Sitophilus oryzae and Rhyzopertha dominica, which deteriorate the quality of the infested commodities, depletes nutrition value and makes them unfit for human consumption. The susceptibility of two Egyptian local (MISR1 and SIDS12) and four imported wheat (Hard Australian wheat, American Hard Red Winter, American Soft Red Winter and Romanian wheat) cultivars to infestation by S. oryzae and R. dominica was investigated. The Romanian cultivar was the most susceptible at infestation level of 20 adults/250g. For the other two infestation levels (10 and 15 adults/250g), the Romanian and American (SRW) varieties showed high susceptibility to S. oryzae by 5.13 and 5.52% and 4.32 and 4.76% for both varieties, in respect. On the other hand, the infestation with R. dominica showed the minimum weight loss in Romanian wheat and unexpectedly showed maximum number of emerged adults after three months storage. Maximum means of damaged grains were recorded in Romanian and American (HRW) cultivars caused by S. oryzae and R. dominica infestations, respectively. Moreover, chemical changes were recorded in nutritional composition of the grains when they were subjected to infestation with 20 unsexed adults/250g wheat by S. oryzae and R. dominica for three months storage.
Factor Va Alters the Conformation of the Na<sup>+</sup>-Binding Loop of Factor Xa in the Prothrombinase Complex (2008)

Structural and mutagenesis data have indicated that the 220-loop of thrombin is stabilized by a salt-bridge between Glu-217 and Lys-224, thereby facilitating the octahedral coordination of Na (+) with contributions from two carbonyl O atoms of Arg-221a and Lys-224. All three residues are also conserved in fXa and the X-ray crystal structure of fXa indicates that both Glu-217 and Lys-224 are within hydrogen-bonding distance from one another. To investigate the role of these three residues in the catalytic function of fXa and their contribution to interaction with Na (+), we substituted them with Ala and characterized their properties in both amidolytic and proteolytic activity assays. The results indicate that the affinity of all three mutants for interaction with Na (+) has been impaired. The mutant with the greatest loss of affinity for Na (+) (E217A or E217Q) also exhibited a dramatic impairment ( approximately 3-4 orders of magnitude) in its activity toward both synthetic and natural substrates. Interestingly, factor Va (fVa) restored most of the catalytic defect with prothrombin, but not with the synthetic substrate. Both Glu-217 mutants exhibited a near normal affinity for fVa in the prothrombinase assay, but a markedly lower affinity for the cofactor in a direct-binding assay. These results suggest that, similar to thrombin, an ionic interaction between Glu-217 and Lys-224 stabilizes the 220-loop of fXa for binding Na (+). They further support the hypothesis that the Na (+) and fVa-binding sites of fXa are energetically linked and that a cofactor function for fVa in the prothrombinase complex involves inducing a conformational change in the 220-loop of fXa that appears to stabilize this loop in the Na (+)-bound active conformation.
Plasma-deposited a-C(N): H films (2000)

The growth behaviour, film structure and mechanical properties of plasma-deposited amorphous hydrogenated carbon-nitrogen films are shortly reviewed. The effect of nitrogen-containing gas addition to the deposition to the hydrocarbon atmospheres used is discussed, considering the modifications observed in the chemical composition growth kinetics, carbon atom hybridisation and chemical bonding arrangements of a-C(N):H films. The overall structure behaviour is correlated to the variation of the mechanical properties.
Complete Protection from Papillomavirus Challenge after a Single Vaccination with a Vesicular Stomatitis Virus Vector Expressing High Levels of L1 Protein (2004)

We generated an attenuated, recombinant vesicular stomatitis virus (VSV) expressing high levels of the cottontail rabbit papillomavirus (CRPV) L1 protein from an upstream site in the VSV genome. Rabbits vaccinated once with this VSV-L1 recombinant produced high levels of anti-L1 antibody and were completely protected against papilloma formation after challenge with CRPV. In contrast, animals vaccinated only once with a VSV vector expressing lower levels of L1 from a downstream site in the VSV genome generated lower levels of L1 antibody and demonstrated only incomplete protection from papilloma formation after challenge. We conclude that the level of L1 protein expression is critical in generating complete immunity with a single-dose vaccine.
Measuring The Flow Experience Of Players Playing Online Games (2012)

Nowadays, online games have become a highly profitable e-commerce application. Therefore, researchers increasingly believe that understanding online game player behavior is critical to the success of online game practitioners. The factors influencing the flow of online games are of major concern to academic researchers and online games practitioners. Drawing on the theory of flow, this study empirically explores how the interactivity and intrinsic beliefs impact flow experience, and how flow experience is related to replay intention. Then, confirmatory factor analysis is applied to test and the proposed research model is evaluated with partial least squares (SmartPLS 2.0). The results show that flow experience is a significant predictor of replay intention. Four antecedents to flow (telepresence, focused attention, skills and challenges) have positive influence on flow experience. Interactivity (social interactivity and human-machine interactivity) and intrinsic beliefs (perceived attractiveness, personal involvement) influence the antecedents of flow experience. Moreover, social interactivity has a stronger impact on the antecedents of flow experience than human-machine interactivity. This study finds that social interactivity is most crucial to online game success.
Optimization of the Load Balancing Policy for Tiled Many-Core Processors (2018)

Tiled many-core processors (i.e., KNL and the TILE-Gx72 processor), on which processing cores are fitted onto a single chip and cores are interconnected via mesh-based networks, are different from the traditional many-core systems. Their operating system (OS) should be optimized to take into account the unique characteristics (for instance, cores are integrated into a single chip) of tiled many-core processors. This is because these characteristics were not taken into consideration when OSes designed for the traditional multicore (many-core) systems were deployed on tiled many-core processors. In this paper, we propose an optimized load balancing policy to improve the performance of multi-threaded applications. Making a thread select an appropriate idle (lightweight) tile (processing core) across all tiles on the single chip rather than a portion of tiles is able to reduce the overhead triggered by the load balancing policy, the penalty of cache misses because of the scheduling and more threads sharing the same tile (processing core), and the contention for memory controllers due to cache misses. The experimental results demonstrate that the optimized load balancing policy can provide up to 2.7× performance improvement on KNL and mitigate the performance degradation to separate extents on the TILE-Gx72 processor.
Thermotropic liquid crystals of polyesters having a mesogenic 4,4-bibenzoate unit Smectic mesophase properties and structures in dimeric model compounds (1993)

Abstract In this study, we prepared a homologous series of dimeric compounds, di-BB-n These compounds have two mesogenic groups linked by a flexible methylene spacer and so can be regarded as model compounds for main chain liquid crystalline BB-n polyesters. In this dimeric system, we observed distinct odd-even effects in which the smectic mesophase properties and structures are significantly affected by the number of carbon atoms in the flexible spacer. The most interesting effect among them was observed for a type of smectic phase. From detailed optical microscopy and X-ray observations, we found that the even-membered di-BB-n materials form a smectic A while the odd-membered ones form a smectic C2 phase. Such a distinct odd-even effect was concluded to result from the confined spatial orientation of mesogenic groups which is controlled by the conformation of the flexible spacer similar to the BB-n polymeric system.
Impact of interconnect multiple-patterning variability on SRAMs (2015)

The introduction of Multiple Patterning (MP) in sub-32nm technology nodes may pose severe variability problems in wire resistance and capacitance of IC circuits. In this paper we evaluate the impact of this variability on the performance of SRAM cell arrays based on the 10nm technology node, for a relevant range of process variation assumptions. The MP options we consider are the triple Litho-Etch (LE3) and the Self Aligned Double Patterning (SADP), together with Single Patterning Extreme-UV (EUV). In addition to the analysis of the worst-case variability scenario and the impact on SRAM performance, we propose an analytical formula for the estimation of SRAM read time penalty, using the RC variation of the bit line and the array size as input parameters. This formula, verified with SPICE simulations, allows a fast extraction of the statistical distribution of the read time penalty, using the Monte-Carlo method. Results on each patterning option are presented and compared.
A spirally complementary split-ring resonators antenna for circular polarization and RFID reader application (2012)

A spirally complementary split-ring resonators (CSRRs) circular polarization antenna fed by a microstrip line is proposed. The antenna size is compact with an area of 100 × 100 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> (0.305 λo × 0.305 λo), which is very suitable for the handheld UHF RFID reader system. The measured impedance bandwidth (|S <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</sub> |= -10 dB) is ~13.8% (900-1035 MHz) and the 3-dB axial ratio bandwidth is ~3.7% (905-940 MHz).
Max Weber und Carl Schmitt ― Der Konflikt der Wissenschaftslehren ― (1996)

Im folgenden Aufsatz erörtere ich die geistesgeschichtliche Beziehung und den Unterschied zwischen der Wissenschaftslehre in Max Webers „Wissenschaft als Beruf" (1917) und der in Carl Schmitts „Die Buribunken" (1918) und „Politische Romantik" (1919, 1925). Da Schmitt den Vortrag Webers „Wissenschaft als Beruf" besucht hat, hat er bereits im Jahre 1917 seinen Inhalt gekannt. Aber Schmitt nahm die Wissenschaftslehre Webers nicht günstig auf. In „Die Buribunken" und „Politische Romantik" kritisierte er den von Weber betonten modernen intellektualistischen Rationalismus und die Wertfreiheitstheorie, weil Weber nur die Realität und die Tatsache als Gegenstand der Erkenntnis ansah und die Existenz Gottes aus dem ausschloß. Für Schmitt war die Existenz Gottes die Voraussetzung der Erkenntnis, d.h. der Wissenschaft. Das Inhaltsverzeichnis dieses A ufsatzes ist wie folgt : I . Einleitung, II. „Wissenschaft als Beruf", 1. Der Hintergrund des Zustandekommens der „Wissenschaft als Beruf", 2. Die Diskussionsthemen der „Wissenschaft als Beruf", III. „Wissenschaft als Beruf" und Schmitts Wissenschaftslehre, 1. Die Reaktion auf „Wissenschaft als Beruf", 2. Der Kern des Denkens des frühen Carl Schmitt (1910-1918), 3. Fünf Diskussionsthemen der „Wissenschaft als Beruf" und Schmitts „Die Buribunken" und\n„Politische Romantik", Ⅳ. Schlußwort.
Edge-disjoint circuits in graphs on the torus (1990)

parity" condition).
A Quantitative Approach to Speckle Reduction via Frequency Compounding (1986)

Coherent speckle is a source of image noise in ultrasonic B-mode imaging. The use of multiple imaging frequencies has been suggested as a technique for speckle contrast reduction. This technique involves the averaging of images whose speckle patterns have been modified by a change in the spectrum of the transmitted or received acoustical pulse. We have measured the rate of this speckle pattern change in ultrasonic images as a function of the change in center frequency of the transmitted acoustical pulse. This data is used to quantitatively describe the trade-off of resolution loss versus speckle reduction encountered when frequency compounding is employed and to derive the optimal method of frequency compounding. These results are then used as a basis for describing the overall advisability of frequency compounding in ultrasonic imaging systems. Our analysis indicates that simple frequency compounding is counterproductive in improving image quality.
Students asking questions (1997)

By providing a means to ask questions anonymously, we provide a non-threatening environment in which students are encouraged to fully understand and criticise their assignments. As well as providing practical assistance for those who are struggling with course work, it demonstrates a practical reinforcement of ideas that are commonly taught in courses on software engineering, but it does so in a context that they can directly relate to - their desire to achieve good grades. The approach is based around the use of an HTML form to enable the anonymous submission of questions to staff and the dynamic refinement of assignment specifications. Examples of its use in a course on object-oriented design and C++ are given.
Integrin-β4 identifies cancer stem cell-enriched populations of partially mesenchymal carcinoma cells (2017)

Neoplastic cells within individual carcinomas often exhibit considerable phenotypic heterogeneity in their epithelial versus mesenchymal-like cell states. Because carcinoma cells with mesenchymal features are often more resistant to therapy and may serve as a source of relapse, we sought to determine whether such cells could be further stratified into functionally distinct subtypes. Indeed, we find that a basal epithelial marker, integrin-β4 (ITGB4), can be used to enable stratification of mesenchymal-like triple-negative breast cancer (TNBC) cells that differ from one another in their relative tumorigenic abilities. Notably, we demonstrate that ITGB4<sup>+</sup> cancer stem cell (CSC)-enriched mesenchymal cells reside in an intermediate epithelial/mesenchymal phenotypic state. Among patients with TNBC who received chemotherapy, elevated ITGB4 expression was associated with a worse 5-year probability of relapse-free survival. Mechanistically, we find that the ZEB1 (zinc finger E-box binding homeobox 1) transcription factor activity in highly mesenchymal SUM159 TNBC cells can repress expression of the epithelial transcription factor TAp63α (tumor protein 63 isoform 1), a protein that promotes ITGB4 expression. In addition, we demonstrate that ZEB1 and ITGB4 are important in modulating the histopathological phenotypes of tumors derived from mesenchymal TNBC cells. Hence, mesenchymal carcinoma cell populations are internally heterogeneous, and ITGB4 is a mechanistically driven prognostic biomarker that can be used to identify the more aggressive subtypes of mesenchymal carcinoma cells in TNBC. The ability to rapidly isolate and mechanistically interrogate the CSC-enriched, partially mesenchymal carcinoma cells should further enable identification of novel therapeutic opportunities to improve the prognosis for high-risk patients with TNBC.
Learning to detect conversation focus of threaded discussions (2006)

In this paper we present a novel feature-enriched approach that learns to detect the conversation focus of threaded discussions by combining NLP analysis and IR techniques. Using the graph-based algorithm HITS, we integrate different features such as lexical similarity, poster trustworthiness, and speech act analysis of human conversations with feature-oriented link generation functions. It is the first quantitative study to analyze human conversation focus in the context of online discussions that takes into account heterogeneous sources of evidence. Experimental results using a threaded discussion corpus from an undergraduate class show that it achieves significant performance improvements compared with the baseline system.
The mouse mammary tumor virus<i>env</i>gene is the source of a CD8<sup>+</sup>T-cell-stimulating peptide presented by a major histocompatibility complex class I molecule in a murine thymoma (1996)

CD8+ cytotoxic T cells recognize their targets by the presence of unique peptide bound to a major histocompatibility complex (MHC) class I molecules on the cell surface. The MHC molecules normally display thousands of distinct peptides, making it difficult to identify individual antigenic peptides, their protein precursors, and their relative importance in the T-cell response. Here we used the EL-4 tumor-specific lacZ-inducible KZ30.6 T cell as a probe for detecting the peptide/MHC ligand that was generated in cells transfected with an EL-4 cDNA library. These expression screens allowed identification of a mouse mammary tumor virus (MMTV) transcript as the source of the antigenic peptide presented by the Kb MHC molecule. The antigenic activity was encoded within the MMTV env gene and was defined by the octapeptide ANYDFICV (AFV8). Synthetic AFV8 stimulated KZ30.6 T cells at picomolar concentrations and coeluted with one of two active peptides in HPLC-fractionated extracts of EL-4 cells. The AFV8/Kb complex was also recognized by two other EL-4-specific T cells. The results illustrate a novel strategy for identifying T-cell-stimulating antigens and suggest that the MMTV env gene and its naturally processed AFV8 peptide product can serve as a model for study of antigen processing and tumor immunotherapy.
Enhancement of growth and cellulose accumulation by overexpression of xyloglucanase in poplar (2004)

Because the loosening of xyloglucan in the cell wall promotes plant growth (Takeda et al. (2002) Proc. Natl. Acad. Sci. USA 99, 9055–9060; Park et al. (2003) Plant J. 33, 1099–1106), we expressed Aspergillus xyloglucanase constitutively in Populus alba . The expression increased the length of stem even in the presence of sucrose. Increased stem growth was accompanied by a decrease in Young's elastic modulus in the growth zone but an increased elasticity in mature tissue. The increased internode length corresponded to an increase in cellulose content as well as specific gravity, showing that the removal of xyloglucan might cause an increase in cellulose density in the secondary xylem.
CHERI: A RISC capability machine for practical memory safety (2021)

This work presents CHERI, a practical extension of the 64-bit MIPS instruction set to support capabilities for fine-grained memory protection. Traditional paged memory protection has proved inadequate in the face of escalating security threats and proposed solutions include fine-grained protection tables (Mondrian Memory Protection) and hardware fat-pointer protection (Hardbound). These have emphasised transparent protection for C executables but have lacked flexibility and practicality. Intel's recent memory protection extensions (iMPX) attempt to adopt some of these ideas and are flexible and optional but lack the strict correctness of these proposals. Capability addressing has been the classical solution to efficient and strong memory protection but it has been thought to be incompatible with common instruction sets and also with modern program structure which uses a flat memory space with global pointers. CHERI is a fusion of capabilities with a paged flat memory producing a program-managed fat pointer capability model. This protection mechanism scales from application sandboxing to efficient byte-level memory safety with per-pointer permissions. I present an extension to the 64-bit MIPS architecture on FPGA that runs standard FreeBSD and supports self-segmenting applications in user space. Unlike other recent proposals, the CHERI implementation is open-source and of sufficient quality to support software development as well as community extension of this work. I compare with published memory safety mechanisms and demonstrate competitive performance while providing assurance and greater flexibility with simpler hardware requirements.
Anomalous Temperature Dependence of the Magnetocrystalline Anisotropy in Dilute Cobalt-Iron Alloys (1980)

A study on the temperature dependence of the uniaxial magnetocrystalline anisotropy constant K u1 of Co–Fe alloys containing less than 4.21 at% Fe has been carried out. A strange behavior of K u1 with temperature was found in 0.84∼1.27 at%Fe alloys. On heating, K u1 decreases and changes its sign, followed by an anomalously drastic decrease, and then increases up to the h.c.p.→f.c.c. phase transition temperature. On cooling, K u1 decreases exhibiting a large temperature hysteresis and increases abruptly, becoming positive. This strange phenomenon is cyclic with temperature.
Dynamic Interfacial Electrochemical Phenomena at Living Cell Membranes: Application to the Toad Urinary Bladder Membrane System (1977)

The concept of electrochemical information transfer in vivo has been studied using the isolated toad urinary bladder membrane system to evaluate a recently developed approach to membrane impedance which emphasized the coupling of interfacial processes to standard transport phenomena. Laplace plane analysis was utilized to examine frequency response from 1 Hz to 1 MHz. The results indicate that, under the linear conditions of this experiment, Na+ion is the predominant current carrier and that the rate‐determining step is its penetration into the membrane phase from the aqueous phase. Thus, membrane transport appears to be a very rapid step, whereas the interfacial step of phase transfer regulates transport in this system. The implication of this result in terms of potential dependent interfacial steps in the control of cellular function is discussed.
La kryptie et ses contradictions (1988)

Lévy Edmond. La kryptie et ses contradictions. In: Ktèma : civilisations de l'Orient, de la Grèce et de Rome antiques, N°13, 1988. pp. 245-252.
Performance Problem Analysis Method for Web Systems using Multiple Decision Trees (2006)

It is a common task for many system managers to analyze performance problems to keep the system response time small, but it is difficult to identify the characteristics of the situations in which performance problems occur. To solve this problem, we developed an analysis method that uses a decision tree approach for Web system performance problems. In order to output simpler and more understandable results, we developed an original evaluation function for tree construction rather than using an existing one. In addition, to construct an appropriate decision tree from a huge number of parameters, we developed an algorithm which repeats decision tree construction and evaluation with a changing set of construction parameters and chooses the best tree. We implemented and evaluated our algorithm in an actual Web system and we found that our approach is much better than extant decision tree algorithms in terms of accuracy, simplicity, and computational time.