gebhart/patrepeval huggingface dataset:
Operation and performance of a self-organizing frequency assignment method for TDMA portable radio (2002)

A simple autonomous procedure performed by each radio port (base station) to determine its own transmitting frequency in a TDMA (time-division multiple-access) portable radio system is considered. This assignment procedure results in the improvement of frequency reuse while maintaining signal quality by adapting to the propagation conditions. The author discusses operational considerations and presents performance results of this self-organizing frequency assignment method. It is found that this assignment algorithm is robust against short-term signal fluctuations and can be performed completely autonomously by each radio port. The resulting system performance approaches that of the optimal frequency plan, which can be predetermined only for idealized cases such as a regular-grid port configuration in a statistically homogeneous radio-propagation environment.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Email Category Prediction (2017)

According to recent estimates, about 90% of consumer received emails are machine-generated. Such messages include shopping receipts, promotional campaigns, newsletters, booking confirmations, etc. Most such messages are created by populating a fixed template with a small amount of personalized information, such as name, salutation, reservation numbers, dates, etc. Web mail providers (Gmail, Hotmail, Yahoo) are leveraging the structured nature of such emails to extract salient information and use it to improve the user experience: e.g. by automatically entering reservation data into a user calendar, or by sending alerts about upcoming shipments. To facilitate these extraction tasks it is helpful to classify templates according to their category, e.g. restaurant reservations or bill reminders, since each category triggers a particular user experience.
Wafer-Scale Integration of Systolic Arrays (1985)

VLSI technologists are fast developing wafer-scale integration. Rather than partitioning a silicon wafer into chips as is usually done, the idea behind wafer-scale integration is to assemble an entire system (or network of chips) on a single wafer, thus avoiding the costs and performance loss associated with individual packaging of chips. A major problem with assembling a large system of microprocessors on a single wafer, however, is that some of the processors, or cells, on the wafer are likely to be defective. In the paper, we describe practical procedures for integrating "around" such faults. The procedures are designed to minimize the length of the longest wire in the system, thus minimizing the communication time between cells. Although the underlying network problems are NP-complete, we prove that the procedures are reliable by assuming a probabilistic model of cell failure. We also discuss applications of the work to problems in VLSI layout theory, graph theory, fault-tolerant systems, planar geometry, and the probabilistic analysis of algorithms.
TiO<sub>2</sub> Surface Active Sites for Water Splitting (2006)

The mechanism of photoreactivity between the TiO(2) surface and H(2)O, and the related charge transfer, is considered in terms of both collective and local properties. It is shown that the effective charge transfer between TiO(2) and water requires the presence of surface active sites that are able to provide electron holes to adsorbed water molecules. Titanium vacancies located at or near the surface are identified as the active sites for water adsorption leading to the formation of an active complex and resulting, in consequence, in water splitting. A model of the photoreactivity between the TiO(2) surface and water is proposed. This model indicates that the photoreactivity of the TiO(2)-based photoelectrode may be enhanced through imposition of the surface active sites (Ti vacancies) in a controlled manner by surface engineering.
Isd11p Protein Activates the Mitochondrial Cysteine Desulfurase Nfs1p Protein (2011)

Cysteine desulfurases perform pyridoxal phosphate (PLP)-dependent desulfuration of cysteine. The key steps of the enzymatic cycle include substrate binding to PLP, formation of a covalent persulfide intermediate at the active site cysteine, and transfer of sulfur to recipients for use in various metabolic pathways. In Saccharomyces cerevisiae, the cysteine desulfurase Nfs1p and an accessory protein, Isd11p, are found primarily in mitochondria, and both are essential for cell viability. Although cysteine desulfurases are conserved from bacteria to humans, Isd11p is found only in eukaryotes and not in prokaryotes. Here we show that Isd11p activates Nfs1p. The enzyme without Isd11p was inactive and did not form the [(35)S]persulfide intermediate from the substrate [(35)S]cysteine. Addition of Isd11p to inactive Nfs1p induced formation of the persulfide. Remarkably, in a two-step assay, [(35)S]cysteine could be bound to the inactive Nfs1p in a PLP-dependent manner, and the enzyme could be subsequently induced to form the persulfide by addition of Isd11p. A mutant form of Isd11p with the (15)LYK(17) motif changed to (15)AAA(17) was able to bind but failed to activate Nfs1p, thus separating these two functions of Isd11p. Finally, compared with Nfs1p with or without the bound Isd11p mutant, the Nfs1p·Isd11p complex was more resistant to inactivation by an alkylating agent. On the basis of these novel findings, we propose that interaction of Isd11p with Nfs1p activates the enzyme by inducing a conformational change, thereby promoting formation of the persulfide intermediate at the active site cysteine. Such a conformational change may protect the active site cysteine from alkylating agents.
<title>Multivariate run-to-run control of arm-to-arm variations in chemical mechanical planarization</title> (1998)

With the introduction of high-throughput, multi-arm chemical-mechanical planarization (CMP) tools, a new source of process variation is introduced to the CMP process. These arm-to-arm variations are caused by small differences in the polishing rates of each arm. Modeling the arm-to-arm interactions of a CMP tool allows the application of a model-based, multi-variable, run-to-run control scheme. This control scheme is an optimization-based approach using pilot wafers applied to 'out of control' processes.In addition, this paper outlines a controller that can be applied directly to production wafers. The production-based run-to- run controller allows for monitoring the process through statistical process control methods and utilizes known relationships between product and pilot wafer removal rates in order to keep the process 'in control'. The product-based controller will be automated and deployed in AMD's Fab25- micron facility in Austin, TX using the software developed under the Advanced Control Framework Initiative.
Creep Processes Involved in the Maturation of Clay-isolated Highly Radioactive Waste in Very Deep Holes (2017)

The basic idea of concepts for disposal of highly radioactive waste deep in rock is that the heavy, saline, stagnant formational waters are unlikely to rise to contaminate shallow groundwater. A re ...
RFLP for human DBH (dopamine beta-hydroxylase) (1990)

Source/description of clone: pSC2.1 is a BamHI-EcoRI 4.5kb subclone of the cosmid clone cosHcol. 11containing part of the human 2(XI) collagen (COLl 1A2) gene (1).pSC2 does not cover the polymorphic EcoRI site but the 6.0 kb XhoI subclone, pVL19, does.Polymorphism: Using pSC2.1 as a probe, a 2 allele polymorphism is identified (A1:11.3kb;A2:8.6kb).Using a probe (pVL19) which covers the polymorphic site, a third fragment of 2.5kb derived from cleavage of allele Al is detected.Frequency: 49 unrelated Chinese allele Al:0.79 A2 0.21 41 unrelated English caucasians allele Al: 0.59 A2 0.41 Not polymorphic for: TaqI, RsaI (100 chromosomes tested).Chromosomal localisation: COLl1A2 has been mapped to chromosome 6p2.12 and is close to the HLA locus (1).Mendelian inheritance: Autosomal codominant. 17meioses tested in one family.
A new approach to the time-sequential sampling problem (1992)

Sampling of signals that vary in time and have one or more spatial dimensions is studied for constrained sampling sets. The constraint imposed is that only one spatial sample can be taken at a given time, hence the name time-sequential sampling. J. Allebach (1984) has shown previously that the amount of aliasing error is not only a function of the sampling rates, but is also strongly dependent on the order in which spatial sample points are taken. A new design technique for finding optimal sampling patterns that minimize the sampling rates and produce zero aliasing error is developed by viewing time-sequential sampling as a specialized case of generalized two-dimensional sampling. New lower bounds for sampling rates required to produce zero aliasing error are given. These bounds are then used as stopping criteria for the aforementioned design technique. Theorems are given which state conditions under which the design problem reduces to a general two-dimensional sampling problem.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Elucidating Hydrogen Oxidation/Evolution Kinetics in Base and Acid by Enhanced Activities at the Optimized Pt Shell Thickness on the Ru Core (2015)

Hydrogen oxidation and evolution on Pt in acid are facile processes, while in alkaline electrolytes, they are 2 orders of magnitude slower. Thus, developing catalysts that are more active than Pt for these two reactions is important for advancing the performance of anion exchange membrane fuel cells and water electrolyzers. Herein, we detail a 4-fold enhancement of Pt mass activity that we achieved using single-crystalline Ru@Pt core–shell nanoparticles with two-monolayer-thick Pt shells, which doubles the activity on Pt–Ru alloy nanocatalysts. For Pt specific activity, the two- and one-monolayer-thick Pt shells exhibited enhancement factors of 3.1 and 2.3, respectively, compared to the Pt nanocatalysts in base, differing considerably from the values of 1 and 0.4, respectively, in acid. To explain such behavior and the orders of magnitude difference in activity on going from acid to base, we performed kinetic analyses of polarization curves over a wide range of potential from –250 to 250 mV using the dual-pathway kinetic equation. From acid to base, the activation free energies increase the most for the Volmer reaction, resulting in a switch of the rate-determining step from the Tafel to the Volmer reaction, and a shift to a weaker optimal hydrogen binding energy. Furthermore, the much higher activation barrier for the Volmer reaction in base than in acid is ascribed to one or both of the two catalyst-insensitive factors: slower transport of OH<sup>–</sup> than H<sup>+</sup> in water and a stronger O–H bond in water molecules (HO–H) than in hydrated protons (H<sub>2</sub>O–H<sup>+</sup>).
Evaluation of exposure to benzene vapour during the loading of petrol (1972)

<b>Sherwood, R. J. (1972).</b><i>Brit. J. industr. Med.,</i><b>29,</b> 65-69. <b>Evaluation of exposure to benzene vapour during loading of petrol.</b> The exposure of three workers to benzene vapour has been determined by personal air sampling, and has been related to their intake (assessed by sampling exhaled breath), and to their metabolism of benzene (evaluated from the concentration of phenol in urine.) The results obtained agree in general with those already published in the literature and with a preliminary experimental exposure undertaken as part of the development of techniques. The two loaders who handled the loading arms were exposed to mean concentrations of 1·6 and 2·5 p.p.m. over the 5-hour period of loading. The probability of their exposure to concentrations greater than 25 p.p.m. was about 0·1 and 1%. The weigher working between the tracks was exposed to a mean concentration of 20 p.p.m. over the same period and had a total exposure of 114 p.p.m.-hour. Samples of exhaled breath taken at the end of work showed 0·14 and 0·18 p.p.m. benzene for the loaders and 0·84 p.p.m. for the weigher. The following morning the latter showed 0·19 p.p.m. Urine samples taken from the loaders at the end of work contained 12 and 25 mg/l total phenol and for the weigher 83 mg/l. The following morning the phenol was not above natural levels in the loaders9 urine, and was 38 mg/l in a sample from the weigher. It is suggested that any or all of the methods developed for this study could be used in conjunction with appropriate clinical studies to provide a more quantitative basis for determining the hazard of occupational exposure to benzene.
Plasma-etch technology (1990)

An overview is given of plasma-etch processes used in microelectronics fabrication for pattern transfer, and the main requirements for plasma-assisted etching are outlined. The two primary etch mechanisms-chemical and physical-are examined. Issues involved in bringing plasma processes to the factory are discussed. Monitoring and controlling plasma processes are considered.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Editor’s Page (1965)

Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text David L. Mac Adam, "Editor's Page," J. Opt. Soc. Am. 55, 1704-1705 (1965) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Low-Cost Hardware-Sharing Architecture of Fast 1-D Inverse Transforms for H.264/AVC and AVS Applications (2008)

In this paper, the fast one-dimensional (1-D) algorithms and their hardware-sharing designs for the 1-D 2times2, 4times4, and 8times8 inverse transforms of H.264/AVC and the 1-D 8times8 inverse transform of AVS are proposed with the low hardware cost, especially for the multiple decoding applications in China. By sharing the hardware, the proposed 1-D hardware sharing architecture is realized by adding the offset computations, and it is implemented with the pipelined architecture. Thus, the hardware cost of the proposed sharing architecture is smaller than that of the individual and separate designs. With regular modularity, the proposed sharing architecture is suitable to achieve H.264/AVC and AVS signal processing by VLSI implementations.
Characterization of the archaeal, plasmid-encoded type II restriction-modification system MthTI from Methanobacterium thermoformicicum THF: homology to the bacterial NgoPII system from Neisseria gonorrhoeae (1992)

A restriction-modification system, designated MthTI, was localized on plasmid pFV1 from the thermophilic archaeon Methanobacterium thermoformicicum THF. The MthTI system is a new member of the family of GGCC-recognizing restriction-modification systems. Functional expression of the archaeal MthTI genes was obtained in Escherichia coli. The mthTIR and mthTIM genes are 843 and 990 bp in size and code for proteins of 281 (32,102 Da) and 330 (37,360 Da) amino acids, respectively. The deduced amino acid sequence of M.MthTI showed high similarity with that of the isospecific methyltransferases M.NgoPII and M.HaeIII. In addition, extensive sequence similarity on the amino acid level was observed for the endonucleases R.MthTI and R.NgoPII. Moreover, the endonuclease and methyltransferase genes of the thermophilic MthTI system and those of the Neisseria gonorrhoeae NgoPII system show identical organizations and high (54.5%) nucleotide identity. This finding suggests horizontal transfer of restriction-modification systems between members of the domains Bacteria and Archaea.
High‐Throughput Protein Glycomics: Combined Use of Chemoselective Glycoblotting and MALDI‐TOF/TOF Mass Spectrometry (2004)

Common oligosaccharides and aldehyde-attached glycoproteins derived from enzymatic modifications can be captured by glycoblotting based on oxylamino-containing polymers. The combination of this glycoblotting and MALDI-TOF/TOF mass spectrometry enabled a high-throughput analytical method to be developed. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2005/z461685_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Suppression of latch in SOI MOSFETs by silicidation of source (1991)

It is demonstrated that silicidation of the source region in a silicon-on-insulator MOSFET can improve the parasitic bipolar induced breakdown voltage to beyond 5 V. The technique results in a degradation of the parasitic bipolar current gain by increasing the minority carrier current across the source body junction, thereby causing a reduction in the emitter efficiency. Silicidation of both the source and drain regions is performed simultaneously thus maintaining device symmetry and simplicity of processing. No significant degradation of drain leakage leakage current was observed.
THE ALKALOIDS OF FUMARACEOUS PLANTS: II. <i>DICENTRA CUCULLARIA</i> (L.) BERNH. (1932)

A preliminary investigation of Dicentra cucullaria has confirmed the presence of protopine and disclosed the presence of at least three other alkaloids which have been obtained in crystalline form. The isolation of cryptopine is of interest since it had previously been obtained only from opium.Two other bases, referred to as (α) and (β) are perhaps new but their naming is deferred until more is known concerning their nature.The investigation is being actively pursued along the lines of the constitutional analysis of base (α) and of base (β), as well as a search for other bases in a larger quantity of plant material.Attention is called to the high content (24.8% or more) of sucrose present in the dried tubers.
Curved Plasma Channel Generation Using Ultraintense Airy Beams (2009)

Plasma channel generation (or filamentation) using ultraintense laser pulses in dielectric media has a wide spectrum of applications, ranging from remote sensing to terahertz generation to lightning control. So far, laser filamentation has been triggered with the use of ultrafast pulses with axially symmetric spatial beam profiles, thereby generating straight filaments. We report the experimental observation of curved plasma channels generated in air using femtosecond Airy beams. In this unusual propagation regime, the tightly confined main intensity feature of the axially nonsymmetric laser beam propagates along a bent trajectory, leaving a curved plasma channel behind. Secondary channels bifurcate from the primary bent channel at several locations along the beam path. The broadband radiation emanating from different longitudinal sections of the curved filament propagates along angularly resolved trajectories.
Simple Power-Aware Scheduler to Limit Power Consumption by HPC System within a Budget (2014)

Future Exascale systems are projected to require tens of megawatts. While facilities must provision sufficient power to realize peak performance, limited power availability will require power capping. Current approaches for power capping limit CPU power state and are agnostic to workload characteristics. Injudicious use of such mechanisms in HPC system can impose a devastating impact on performance. We propose integrating power limiting into a job scheduler. We will describe a power-aware scheduler that monitors power consumption, distributes the power budget to each job, and implements a "uniform frequency" mechanism to limit power. We will compare three implementations of uniform frequency. We will show that power monitoring improves the probability of launching a job earlier, allows a job to run faster, and reduces stranded power. Our data shows that "auto mode" for uniform frequency operates at 40% higher frequency than a fixed frequency mode.
Model-based functional safety analysis method for automotive embedded system application (2010)

Increasing functionality and complexity of automotive embedded system have led to more risks from systematic faults and random hardware faults. This makes it necessary to perform the functional safety process throughout the safety lifecycle of these systems. In addition, the appearance of the new functional safety standard ISO 26262 also make the consideration of functional safety as part of the design and implementation process for these systems is growing in importance. This paper presents a comprehensive functional safety analysis approach based on functional model. The process of functional modeling and safety analysis is outlined and the comprehensive functional safety analysis approach is applied to Dual Clutch Transmission (DCT) control system and the analysis results are integrated. A method for the automotive safety integrity level (ASIL) determination is put forward based on severity, probability of exposure and controllability.
Drug-Loaded Carbon Nanohorns:  Adsorption and Release of Dexamethasone in Vitro (2004)

Single-wall carbon nanohorns (SWNHs) are recently discovered nanostructured spherical aggregates of graphitic tubes. The unique physicochemical properties of SWNHs, including their large surface area, suggest their possible utility as carriers in drug delivery systems. Here we investigated the in vitro binding and release of the antiinflammatory glucocorticoid dexamethasone (DEX) by as-grown SWNHs and their oxidized form, oxSWNHs. Adsorption analyses using [3H]-DEX determined the amount of DEX adsorbed by oxSWNHs to be 200 mg for each gram of oxSWNHs in 0.5 mg/mL of DEX solution, which was approximately 6 times larger than that obtained for as-grown SWNHs. Adsorption kinetics indicated that oxSWNHs had higher affinity for DEX than as-grown SWNHs. Treatment of oxSWNHs at 1200 degrees C under H2, which removed the oxygen-containing functional groups on oxSWNHs, did not diminish the high affinity for DEX, suggesting that oxygen-containing functional groups have little contribution for the affinity. DEX-oxSWNH complexes exhibited sustained release of DEX into phosphate-buffered saline (pH 7.4) at 37 degrees C and more rapid biphasic release into culture medium. The biological integrity of the released DEX form was confirmed by activation of glucocorticoid response element-driven transcription in mouse bone marrow stromal ST2 cells and induction of alkaline phosphatase in mouse osteoblastic MC3T3-E1 cells. Notably, synthesis of SWNHs does not require a metal catalyst, the toxicity of which could become problematical in clinical use, and no cytotoxicity was observed in cells cultured in the presence of oxSWNHs under our conditions. Taken together, these observations highlight the potential utility of SWNHs in drug delivery systems.