gebhart/patrepeval huggingface dataset:
Allosuppressor- and allohelper-T cells in acute and chronic graft-<i>vs</i>-host disease. IV. Activation of donor allosuppressor cells is confined to acute GVHD. (1984)

Groups of nonirradiated BDF1 mice were injected with unseparated spleen cells from B10, B10.D2, or DBA/2 donors. The diverse clinical and pathologic symptoms that developed during the course of the ensuing graft-vs-host reaction (GVHR) were related to the functional subsets of donor-T cells activated in the host. The activation of F1-specific donor T suppressor (TS) cells was confined to those GVH F1 mice that developed acute GVH disease (GVHD) (donor B10 or B10.D2). Moreover, activation in these GVH F1 mice of the Lyt-1-2+ donor TS cells sharply preceded the onset of and coincided with (week 2 to 6) the suppressive pathologic symptoms characteristic of acute GVHD, such as pancytopenia and suppression of splenic IgG production. The activation of these alloreactive TS effector cells was briefly preceded by the activation of F1-specific Lyt-1+-2- donor T helper (TH) cells and stimulation of the host's lymphoid tissue. Thus, in acute GVHD, a sequential alloactivation first of donor TH and then of TS cells was found. Those F1 mice that recovered from acute GVHD and developed stimulatory pathologic symptoms showed a concomitant loss of donor TS cell activity. An initial activation of F1-specific Lyt-1 +2- donor TH cells was also found in that parent----F1 combination (donor DBA/2), which failed to develop acute GVHD. Significantly in that combination, the alloactivation of donor TH cells was not followed by activation of significant numbers of donor TS cells. Instead, the DBA/2-injected BDF1 mice directly developed a persistent increase in splenic Ig formation and lupus-like GVHD.
Adenotonsillectomy in Children with von Willebrand Disease (2000)

ALLEN, GREGORY C.; ARMFIELD, DEREK R.; BONTEMPO, FRANKLIN A.; KINGSLEY, LAWRENCE A.; GOLDSTEIN, NIRA A.; POST, J. CHRISTOPHER Author Information
Transmission station reliability evaluation (1994)

Reliability evaluations of transmission stations are necessary in the planning and re-configuration studies of transmission switching stations. This paper describes enhanced station component models which can be used to evaluate station configuration alternatives including those equipped with motor operated air break switches (MOABs). A computer program developed at the American Electric Power Service Corporation (AEPSC) for evaluating the reliability of transmission stations is also described. Using this program, a station configuration diagram can be created, edited, and displayed interactively on a graphics terminal. The program then calculates the outage probability, frequency, and duration of station outlet outage combinations while considering all possible single and double combinations of station component states. The application of this program is illustrated in this paper by describing how this program was used to evaluate the relative merits of alternative configurations for an EHV transmission station.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Simple implementation of deletion from open-address hash table (2009)

Deletion from open-address hash table is not so easy as deletion from chained hash table, because in open-address table we can't simply mark a slot containing deleted key as empty. Search for keys may become incorrect. The classical method to implement deletion is to mark slots in hash table by three values: "free", "busy", "deleted". That method is easy to implement, but there are some disadvantages. In this article we consider alternative method of deletion keys, where we avoid using the mark "deleted". The article contains the implementation of the method in Java.
Optimal motion planning for mobile robots using genetic algorithms (2002)

This paper reports the initial experiments undertaken on a programme of work whose aim is the development of real time motion planning algorithms for mobile robots operating in uncertain and unstructured environments. These experiments were performed with the purpose of evaluating the potential of applying genetic algorithms (GA) to the path planning stage. Three scenarios of increasing complexity are considered and the results of each presented. Of particular interest is the formulation and representation of the problem into a form suitable for solution by a genetic algorithm. The results show that the approach provides respectable results and provide a solid foundation upon which more sophisticated algorithms can be built.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Implementation and optimization of A5-1 algorithm on coarse-grained reconfigurable cryptographic logic array (2017)

A5-1 algorithm is a stream cipher used to encrypt voice data in GSM, which needs to be realized with high performance due to real-time requirements. Traditional implementation on FPGA or ASIC can't obtain a trade-off among performance, cost and flexibility. To this aim, this paper introduces CGRCA to implement A5-1, and in order to optimize the performance and resource consumption, this paper proposes a resource-based path seeking (RPS) algorithm to develop an advanced implementation. Experimental results show that final optimal throughput of A5-1 implemented on CGRCA is 162.87Mbps when the frequency is 162.87MHz, and the set-up time is merely 87 cycles, which is optimal among similar works.
Audio-driven Talking Face Video Generation with Learning-based Personalized Head Pose (2020)

Real-world talking faces often accompany with natural head movement. However, most existing talking face video generation methods only consider facial animation with fixed head pose. In this paper, we address this problem by proposing a deep neural network model that takes an audio signal A of a source person and a very short video V of a target person as input, and outputs a synthesized high-quality talking face video with personalized head pose (making use of the visual information in V), expression and lip synchronization (by considering both A and V). The most challenging issue in our work is that natural poses often cause in-plane and out-of-plane head rotations, which makes synthesized talking face video far from realistic. To address this challenge, we reconstruct 3D face animation and re-render it into synthesized frames. To fine tune these frames into realistic ones with smooth background transition, we propose a novel memory-augmented GAN module. By first training a general mapping based on a publicly available dataset and fine-tuning the mapping using the input short video of target person, we develop an effective strategy that only requires a small number of frames (about 300 frames) to learn personalized talking behavior including head pose. Extensive experiments and two user studies show that our method can generate high-quality (i.e., personalized head movements, expressions and good lip synchronization) talking face videos, which are naturally looking with more distinguishing head movement effects than the state-of-the-art methods.
Agent-Based Resource Management for Grid Computing (2003)

It is envisaged that the grid infrastructure will be a large-scale distributed software system that will provide high-end computational and storage capabilities to differentiated users. A number of distributed computing technologies are being applied to grid development work, including CORBA and Jini. In this work, we introduce an A4 (Agile Architecture and Autonomous Agents) methodology, which can be used for resource management for grid computing. An initial system implementation utilises the performance prediction techniques of the PACE toolkit to provide quantitative data regarding the performance of complex applications running on local grid resources. At the meta-level, a hierarchy of identical agents is used to provide an abstraction of the system architecture. Each agent is able to cooperate with other agents to provide service advertisement and discovery to schedule applications that need to utilise grid resources. A performance monitor and advisor (PMA) is in development to optimize the performance of agent behaviours.
Observations and theory of high-power butt coupling to LiNbO&lt;inf&gt;3&lt;/inf&gt;-type waveguides (1982)

We report the study and observation of high-efficiency (greater than 60 percent) and high-power (13 mW CW and 27 mW, 5 μs 5 percent duty cycle pulse) butt coupling of diode lasers to indiffused LiNbO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</inf> -type waveguides. We verified the predictions of the existing coupling theory at previously unreported power levels, and present a novel theoretical explanation of the effect of multiple reflections on laser output and waveguide coupling. The theory predicts our experimental observation that the amplitude of the periodic variation of laser output with laser-waveguide separation distance is a nonmonotonic function of laser drive current. Our measurements also lead us to infer that the onset of optical damage in Ti:LiNbO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</inf> occurs at a CW power density of <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">4 \times 10^{5}</tex> W/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> in the 0.83 μm wavelength region.
Heat Production in the Voodoo Lily (<i>Sauromatum guttatum</i>) as Monitored by Infrared Thermography (1991)

The pattern of surface temperatures of the inflorescence of Sauromatum guttatum was investigated by using an infrared camera. The male flowers are weakly thermogenic on the first day of inflorescence opening (D-day) as well as on the next day (D + 1), reaching 0.5 to 1 degrees C above ambient temperature. The appendix (the upper sterile part of the inflorescence) is highly thermogenic on D-day, reaching 32 degrees C, and is faintly thermogenic on D + 1, reaching 1 degrees C above ambient temperature. The lower part of the spadix, close to the female flowers, is also thermogenic on D-day and D + 1, reaching a temperature similar to that of the appendix only on D + 1. Salicylic acid does not induce heat production in the lower part of the spadix, as it does in the appendix. Respiration of tissue slices obtained from the appendix shows that the capacity for cyanide-insensitive respiration is present in young and mature appendices. This alternative respiratory pathway is not, however, utilized in young appendix tissue, but is engaged during the maturation of that tissue.
Effects of water stress on glucosinolate and oil concentrations in the seeds of rape (Brassica napus L.) and turnip rape (Brassica rapa L. var. silvestris [Lam.] Briggs) (1987)

Growing-season conditions influence the concentration of glucosinolates in the meal of rapeseed, but the reasons for this are unknown. We studied the effect of water stress on glucosinolate concentration in the seed meal of Brassica napus cv. Wesbrook and Brassica rapa cv. Bunyip. Plants were either wellwatered or given a reduced supply of water which was managed to produce a desired degree of plant water stress either throughout growth or only after flowering. Glucosinolate concentration in seeds increased (P<0.01) in both cultivars from an average 18.2 �mol/g in unstressed plants to 35.0 �mol/g under the influence of water stress. There was no significant difference between the 2 stressed treatments. Water stress also decreased (P < 0.0 1) seed oil concentrations (from 36.9 to 31.4%), yields (from 5.3 to 0.9 g/plant) and 1000-grain weights (from 4.1 to 3.0 g).
On design of a redundant wire-driven parallel robot WARP manipulator (2003)

A redundant wire-driven parallel robot, the WARP manipulator, is a new robot mechanism which is suitable especially for high speed assembling of lightweight objects such as semiconductors. In this paper, a WARP manipulator was designed from the viewpoint of working space by considering conditions that the travelling plate must be abbe to generate arbitrary amounts of force and moment and the wires are not to be in contact. Simulation results of working space proved the validity of the design procedure described. A prototype of WARP manipulator was constructed. The kinematic parameters were calibrated for position control.
DETECTION OF INSECTS IN BULKWHEAT SAMPLES WITH MACHINE VISION (1998)

Digital imaging techniques were used to identify insects and body parts (adult lesser grain borer) ofRhyzopertha dominica beetles in bulk wheat samples. The samples contained dockage (weed seeds and damaged wheatkernels), which made the identification of insects more difficult. Multispectral analysis (Red, Green, Blue) was used incombination with pattern recognition techniques. Insect identification experiments were done with subimages of 8 8pixels. Statistical multivariate analysis and structural patterns were used for finding insects. The position of the insect(ventral, dorsal, side) and particles clinging to the insect affected recognition success. Recognition success of R.Dominica adults, some grass seeds, and other non-wheat components was higher than 90%.
Mechanisms of C–H bond activation: rich synergy between computation and experiment (2009)

Recent computational studies of C-H bond activation at late transition metal systems are discussed and processes where lone pair assistance via heteroatom co-ligands or carboxylates are highlighted as a particularly promising means of cleaving C-H bonds. The term 'ambiphilic metal ligand activation' (AMLA) is introduced to describe such reactions.
Photodissociation of adsorbed Mo(CO)6 induced by direct photoexcitation and hot electron attachment. II. Physical mechanisms (1991)

Photodissociation of Mo(CO)6 adsorbed on potassium-free and potassium-preadsorbed Cu(111) and Si(111)7×7 at 85 K has been studied under ultrahigh vacuum conditions. The photodissociation yield has been measured as a function of photon power (0.5–30 mW/cm2 ), wavelength (250–800 nm), polarization (s and p), and incident angle (20°–70°). Two surface photoreaction mechanisms are considered: (i) direct electronic excitation of the adsorbate and (ii) attachment of photogenerated hot carriers to the adsorbate. The photodissociation spectra obtained on K-free Cu(111) and Si(111)7×7 exhibit the same resonant structure as the absorption spectrum of Mo(CO)6. Photodissociation of Mo(CO)6 on K-free surfaces is thus determined to be dominated by direct electronic excitation of the adsorbate, which proceeds via a single-photon process. A new photodissociation channel is opened on K-preadsorbed surfaces. The photoyield increases substantially in the UV and extends to the visible and near IR. By studying the wavelength and polarization dependences of the photoyield, it is firmly established that the new photodissociation channel is due to interaction of photogenerated hot carriers with the adsorbate. The photogenerated hot electrons tunnel through the potential barrier between the adsorbed Mo(CO)6 and substrate and attach to the Mo(CO)6 molecules. This mechanism is energetically possible in the presence of K due to a substantial up-shift in the Fermi level associated with the decrease in the work function. The negative ions formed by electron attachment are unstable and undergo dissociation.
The electrolytic growth of dendrites from ionic solutions (1962)

Abstract Measurements have been made of the electrolytic growth on silver spheres of dendrites from the silver + silver nitrate system in liquid sodium nitrate + potassium nitrate. The potential and current density for initiation have been determined as a function of concentration and purity of the solution. Rates of growth have been measured as a function of potential at constant overpotential. The radius of the tips has been determined by electron microscopy. At constant current, the current density on to the base electrode during dendritic growth is proportional to the overpotential and the slope of the current density-overpotential relation is proportional to the concentration of silver ions. A critical current density (icrit) exists for initiation of dendritic growth. It is proportional to the silver ion concentration and increases as the radius of the substrate electrode decreases. icrit corresponds to an overpotential of 3 mV and increases with increasing purity of the solution. Dendrites are initiated up to 1 h after a constant current is switched on. At a given overpotential, a number of dendrites grow at a characteristic rate (v). Dendrites initiated at higher potential grow faster than those initiated at lower potential. The growing tip is parabolic and rtip ≏ 10-5 cm. Twins are in some dendrites. The current density to the substrate is controlled by diffusion at all conditions and obeys laws characteristic of spherical diffusion for small radii of the substrate. The rate of growth of the dendrites is controlled by the kinetics of the Ag+ ion deposition on the dendrite tip (activation and (spherical) diffusion control) and the effect on the Ag+ + e ⇌ Ag reaction of the tip radius. For low exchange currents (i0) v ∝ η: for high i0, v α η2. The calculated rate of growth agrees with experimental data on maximum growth rate to some 50 %. The calculated rtip for maximum growth is essentially in agreement with that observed. At IηI &lt; 3mV, the theoretical rtip for maximum growth rate increases rapidly, and an alternative electrode process succeeds that of dendritic growth. The theory shows that the optimum radius for growth undergoes a rapid increase in the neighbourhood of the critical overpotential for cessation of growth. Dendrites are initiated only after a preliminary prismatic growth passes through the diffusion layer characteristic of the substrate electrode. Not all prismatic protrusions from the substrate are growth sites. Conditions for the stability of the tip shape during growth are deduced. Dendrites which grow with v less than vmax are those with a stable r less than ropt. It is a good approximation to apply equations for diffusion to a stationary surface for the moving dendrite tip. The model is consistent with an observed increase in the number of dendrites with potential and with aspects of side-arm growth.
Mission : impossible 3 : film (2005)

Long metrage. - Fiction. - Film d'aventures et d'action. - Film policier, thriller, espionnage. - Troisieme opus de la serie cinematographique inspire de la serie televisee Mission : impossible. - Sortie en France le 3 mai 2006
Multiple modes of cell division control in Arabidopsis flower development. (1998)

Control of the pattern of cell divisions is central to plant development. Several different types of control exist: examples include control of overall cell number in floral meristems, control of relative cell numbers in floral whorls, and control of the relative spacing of the cell divisions that establish floral organs. Mutations that change each of these levels of control are described: mutations in the SUPERMAN gene affect relative amounts of cell division in adjacent floral whorls; mutations in the CLAVATA genes affect overall meristematic cell number; and mutations in PERIANTHIA affect the spacing of floral organs.
Alginate, inorganic polyphosphate, GTP and ppGpp synthesis co‐regulated in <i>Pseudomonas aeruginosa:</i> implications for stationary phase survival and synthesis of RNA/DNA precursors (1998)

The regulatory protein AlgR2 in Pseudomonas aeruginosa positively regulates nucleoside diphosphate kinase (Ndk) and succinyl-CoA synthetase, enzymes critical in nucleoside triphosphate (NTP) formation. AlgR2 positively regulates the production of alginate, GTP, ppGpp and inorganic polyphosphate (poly P). An algR2 mutant with low levels of these metabolites has them restored by introducing and overexpressing either the algR2 or the ndk gene into the algR2 mutant. Thus, Ndk is involved in the formation of these compounds and largely prevents the death of the algR2 mutant, which occurs early in the stationary phase. We demonstrate that the 12 kDa Ndk-pyruvate kinase (Pk) complex, previously shown to generate predominantly GTP instead of all the NTPs, has a low affinity for the deoxynucleoside diphosphates and cannot generate the dNTPs needed for DNA replication and cell division; this complex may thus be involved in regulating the levels of both NTPs and dNTPs that modulate cell division and survival in the stationary phase.
HR-MAS NMR studies of <sup>15</sup>N-labeled cells confirm the structure of the <i>O</i>-methyl phosphoramidate CPS modification in <i>Campylobacter jejuni</i> and provide insight into its biosynthesis (2006)

Because Campylobacter jejuni is the leading cause of bacterial food-borne gastroenteritis throughout the world, there is intense effort to determine the mechanisms of infectivity associated with this bacterium. Capsular polysaccharide (CPS) has been shown to be an important virulence factor for C. jejuni and a recent study that examined the 11168V26 strain identified several phase-variable CPS modifications including an unusual O-methyl phosphoramidate (MeOPN) group on C-3 of the GalfNAc residue. In this study, we examined the MeOPN group using homo- and hetero-nuclear high-resolution magic angle spinning (HR-MAS) NMR experiments of whole bacterial cells grown on 15 NH 4 Cl-enriched media. 1 H 31 P HSQC NMR experiments showed that the level of 15 N labeling within the MeOPN reached 80%, and a large 1 J( 15 N 31 P) scalar coupling provided direct evidence that confirmed the structure of the MeOPN as CH 3 OP(O)(NH 2 )(OR). Because 15 N was also detected within the major outer membrane protein as well as the NAc and NGro groups of CPS, ammonium was concluded to be an important building block used in the synthesis of amino acids and glycan structures in C. jejuni. HR-MAS NMR studies of 15 N-labeled cells revealed an unanticipated level of complexity as multiple MeOPN signals were observed within 1 H- 31 P HSQC spectra for the 11168V26 and 11168H strains. While some signals originated from the MeOPN at C-3 of GalfNAc, others were attributed to a novel MeOPN located on D-glycero-α-L-gluco-heptopyranose. Together, these HR-MAS NMR findings shed light on nitrogen metabolism in C. jejuni, confirm the chemical structure of the MeOPN, and demonstrate that the modification occurs on both furanose and pyranose CPS sugars for this bacterium.Key words: Campylobacter jejuni, capsular polysaccharide, HR-MAS NMR, isotope labeling, phosphoramidate.
Positive Finiteness of Number Systems (2006)

We characterize the set of β’s for which each polynomial in β with nonnegative integer coefficients has a finite admissible expression in some number systems.
Conditions for rooting of leafy cuttings of Alnus incana (1980)

Abstract The rooting of softwood cuttings of Alnus incana (L.) Moench in nutrient solution was studied under controlled conditions. Cuttings consisting of one internode with the leaf and axillary bud attached rooted easily and more rapidly than shoot tip cuttings. Light was necessary for rooting but good rooting was obtained in photon flux densities of both 40 and 190 μmol m ‐2 s ‐1 . Root number and root length was reduced when light reached the base of the cuttings. Treatment with indolebutyric acid (10 ‐6 –10 ‐4 M ) increased the number of roots but 10 ‐4 M delayed rooting and decreased the root length. Debudded internode cuttings rooted as well as intact cuttings, and detached leaves also contained sufficient substances for rooting.