gebhart/patrepeval huggingface dataset:
A Digital Start-Up Control Uniit for Nuclecar Reactors (1961)

The use of digital circuits for control of a nuclear reactor in the start-up range was proposed in a paper given by S. N. Lehr and V. P. Mathes at the Nuclear Engineering and Science Conference in 1959. A control of this type eliminates the many periodic adjustments that are required with linear circuits and results in a more accurate, reliable, and maintenance free unit. This paper describes the design and development of such a unit which computes and displays digitally the reactor level and period over nine decades of power. The level of the reactor is obtained from a discriminator and binary counter which resolve 2.5 m. v. pulses spaced as little as one microsecond apart. A time modulation technique incorporating binary counters for comparison and read-out is used to compute the period with a short term memory employed to provide statistical smoothing.
Site Report for the Text REtrieval Conference. (1992)

ConQuest software has a commercially available text search and retrieval system called «ConQuest» (for Concept Quest). ConQuest is primarily and advanced statistical based search system, with processing enhancements drawn from the field of Natural Language Processing (NLP). This paper describes our background, the system architecture used for TREC, some features of ConQuest, and a discussion of the results. This paper is written for those with a background in computers with some exposure to artificial intelligence and text retrieval
Bardet-Biedl Syndrome and Related Disorders (1982)

The Bardet-Beidl and Laurence-Moon syndromes are distinct entities. The nosology of five syndromes combining ocular and/or auditory defects, mental retardation, genital hypoplasia, obesity, and digital anomalies is reviewed. A 32-month-old boy had an unusual condition that may represent a sixth entity.
<i>N</i>‐Heterocyclic Carbazole‐Based Hosts for Simplified Single‐Layer Phosphorescent OLEDs with High Efficiencies (2012)

Highly efficient single-layer organic light-emitting diodes (OLEDs) are demonstrated using new N-heterocyclic carbazole-based host materials. Phosphorescent OLEDs with a structure of ITO/MoO(3) /host/host:dopant/host/Cs(2) CO(3) /Al are fabricated in which the new materials act simultaneously as electron-transport, hole-transport, and host layer. Devices with maximum current and external quantum efficiencies of 92.2 cd A(-1) and 26.8% are achieved, the highest reported to date for a single-layer OLED.
Skin-Based Identification From Multispectral Image Data Using CNNs (2019)

User identification from hand images only is still a challenging task. In this paper, we propose a new biometric identification system based solely on a skin patch from a multispectral image. The system is utilizing a novel modified 3D CNN architecture which is taking advantage of multispectral data. We demonstrate the application of our system for the example of human identification from multispectral images of hands. To the best of our knowledge, this paper is the first to describe a pose-invariant and robust to overlapping real-time human identification system using hands. Additionally, we provide a framework to optimize the required spectral bands for the given spatial resolution limitations.
A flexible back-end with optimum threshold estimation for OOK based energy detection IR-UWB receivers (2011)

Impulse Radio Ultra-Wideband (IR-UWB) exhibits strong advantages in low power and low cost applications such as RFID and Wireless Sensor Networks. This paper presents an on-off keying (OOK) based energy detection IR-UWB receiver with focus on the back-end design. In order to optimize the receiver performance according to different multi-path environment, variable integration interval and adaptive threshold optimization are considered in the proposed back-end which is composed by a programmable timing circuit and a reconfigurable baseband processor. The timing circuit is able to generate multi-phased integration windows with wide-range variable integration interval and is implemented in 90 nm CMOS process. Novel schemes on synchronization and optimum threshold estimation are suggested for baseband processing. The proposed synchronization scheme is based on maximum energy variance (between symbol `0' and `1') detection, covering both the pulse level and symbol level synchronization. And the scheme for optimum threshold estimation is based on look up table, enabling low complexity implementation. System simulation with IEEE 802.15.4a channel models shows an appreciable improvement on the bit error rate (BER) performance compared with the conventional scheme.
Real-Time Computing on Multicore Processors (2016)

Architects of multicore chips for avionics must define and bound intercore interference, which requires assuming a constant worst-case execution time for tasks executing on the chip. With the Single Core Equivalent technology package, engineers can treat each core as if it were a single-core chip.
Effects of Various Additives on the Characteristics of Electroplated Nickel Thin Films (2003)

Sodium allylsulfonate, saccharin, naphthalene-1, 3, 6-trisulfonic acid trisodium, and 2-butyne-1, 4-diol were added to a Watt bath to study the effects of additives on the characteristics of electroplated nickel films, i.e., crystal structure, hardness, and throwing power. When the additives having a sulfo group in the molecular structure were used, the obtained nickel films had a crystal structure preferentially oriented to a (111) face, and tended to have higher hardness and a small crystallite size. The electroplated nickel films with the highest hardness and the best throwing power were obtained, when allylsulfonate having both allyl and sulfo groups was added.
Possíveis benefícios do ácido clorogênico à saúde (2007)

Polyphenols are widely found in plant foods and compounds mostly by hydroxycinnamic acids. Caffeic acid is most represented of all the hidroxycinnamic acids and occurs in foods mainly as chlorogenic acid, ester of quinic acid with caffeic acid. Coffee and fruits are the most important dietary sources of chlorogenic acid and epidemiologic studies have suggested an association between the consumption of such foods and the prevention of diseases. Recent researches are not conclusive but they do indicate an inverse relationship between the intake of food rich in chlorogenic acid and the risk of developing not transmissible chronic diseases. An isolated intake of chlorogenic acid or with other substances, its metabolism in humans, the method of preparation and the type of coffee are some associated factors that need to be studied later to indicate this polyphenol as a possible agent to prevent the diabetes, cardiovascular diseases and other diseases linked to the oxidative stress. The objective of this review is to discuss the influence of chlorogenic acid in the prevention of several diseases, utilizing available data in the literature over the last years from the MEDLINE, LILACS and SCIELO data base. Scientific studies do not show consistent results about the influence of coffee consume or no for disease prevention, but suggest that green coffee has a benefic effect on lipids of blood. Studies in vitro showed that chlorogenic acid is a strong agent against stress oxidative
Construction and Operation of a Large Ring-Imaging Cerenkov Detector (1983)

We have constructed a large-aperture ring-imaging Cerenkov counter, intended to identify high momentum hadrons in a high pt experiment at Fermilab (E605). To date we have performed a preliminary analysis on a small subset of our data, taken during the initial operation of our counter (April-June 1982). We have obtained π/K separation with good efficiency from about 60 GeV/c to 120 GeV/c in momentum under high luminosity conditions (~5 × 109 protons/second on target). Approximately 84% of all single-track events having at least one detected photon have been unambiguously identified. Cerenkov photons were detected by a multi-step avalanche chamber via the photoionization of triethylamine (TEA) vapor, and a mean number of 2.8 photons per event was detected for the highest velocity particles. Improvements in photon reconstruction are expected, especially as we refine our tracking procedures.
Complexation of Glyphosate and Related Ligands with Iron (III) (1989)

Abstract The extent of chelation of aqueous Fe 3+ by glyphosate [isopropylamine salt of N ‐(phosphonomethyl)glycine] and the related ligands glycine, iminodiacetic acid and aminomethylphosphonic acid was estimated over a range of pH and ligand/Fe 3+ ratios. Electron spin resonance (ESR) and UV‐visible spectroscopy were used to detect chelation, evidenced by changes in the inner‐sphere coordination environment of Fe 3+ . Generally, the spectroscopic methods confirmed the degree of chelation predicted from the known stability constants of these Fe 3+ complexes. The importance of the phosphonomoeity in conferring a high degree of stability to the complexes were confirmed and the Fe 3+ ‐glyphosate soluble complex persisted in aqueous solution to pH 4 and higher. The Fe 3+ complexes without the phosphonate group failed to form or existed only in very acidic solution, since they were easily dissociated upon the hydrolysis of Fe 3+ as the pH was raised. Infrared spectroscopy of glyphosate adsorbed on goethite confirmed direct coordination of the functional groups with surface Fe 3+ , and suggested that the strong adsorption of glyphosate on oxides is a consequence of the same chelation mechanism observed in solution.
Convexity of diagonally scaled infinity norm optimal control problems-the square, one-sided case (2003)

A diagonally scaled multivariable L/sup infinity / optimization problem is reduced to finite-dimensional convex optimization for the case of square T/sub 12/, T/sub 21/d, T/sub 11/ in (H/sup infinity /)/sup n*n/ and either T/sub 12/ or T/sub 21/ containing no RHP zeros, i.e. the square, one-sided case. The solution to this problem plays a key role in the design of multivariable feedback controllers which optimize the excess stability margin or, equivalently, the structured singular value mu .< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Performance analysis of initial cell search using time tracker for W-CDMA (2002)

The cell search scheme for W-CDMA consists of the following three stages: slot synchronization (stage 1), group identification and frame boundary detection (stage 2), and long code identification (stage 3). The performance of the cell search when a mobile station is switched on, which is referred to as initial cell search, is decreased by the initial frequency and timing error. In this paper, we propose the pipeline structured initial cell search scheme using time trackers to compensate for the impact of the initial timing error in the 2/sup nd/ stage and the 3/sup rd/ stage. The simulation results show that the stage 2 performance of the proposed scheme is about 2 dB better than that of the conventional one when the initial timing error is near /spl plusmn/Tc/2.
Active control of spinning mode noise from a turbofan engine (1992)

A JT15D turbofan engine is mounted in a test cell and operated to produce a fan blade passage frequency (BPF) of 2300 Hz. Twenty-seven flow disturbing rods are placed upstream of the 28 fan blades exciting to dominance the first circumferential spinning mode. A feedforward filtered-x adaptive multichannel LMS algorithm is implemented into a TMS320C30 DSP board. This three-channel controller is used to attenuate both the BPF tone and the first harmonic of the BPF (2BPF) tone components of the fan noise. The BPF and 2BPF frequency are sensed with a magnetic probe in the casing of the fan. This reference signal is an input to three adaptive finite-impulse response filters and whose outputs are fed forward to an array of 12 acoustic drivers mounted around the circumference of the engine inlet. The 12 drivers are divided into three channels of four drivers each. The far-field acoustic error information is obtained from three polyvinylidene fluoride piezoelectric polymer (PVDF) microphones placed in front of the engine. Experiments have demonstrated reductions of up to 10 dB in significant sectors. [Research supported by NASA Langley Research Center.]
Evaluating the mediator method: Prism as a case study (1996)

A software engineer's confidence in the profitability of a novel design technique depends to a significant degree on previous demonstrations of its profitability in practice. Trials of proposed techniques are thus of considerable value in providing factual bases for evaluation. We present our experience with a previously presented design approach as a basis for evaluating its promise and problems. Specifically, we report on our use of the mediator method to reconcile tight behavioral integration with ease of development and evolution of Prism, a system for planning radiation treatments for cancer patients. Prism is now in routine clinical use in several major research hospitals. Our work supports two claims. In comparison to more common design techniques, the mediator approach eases the development and evolution of integrated systems; and the method can be learned and used profitably by practising software engineers.
Millimeter-Wave Massive MIMO Communication for Future Wireless Systems: A Survey (2017)

Several enabling technologies are being explored for the fifth-generation (5G) mobile system era. The aim is to evolve a cellular network that remarkably pushes forward the limits of legacy mobile systems across all dimensions of performance metrics. One dominant technology that consistently features in the list of the 5G enablers is the millimeter-wave (mmWave) massive multiple-input-multiple-output (massive MIMO) system. It shows potentials to significantly raise user throughput, enhance spectral and energy efficiencies and increase the capacity of mobile networks using the joint capabilities of the huge available bandwidth in the mmWave frequency bands and high multiplexing gains achievable with massive antenna arrays. In this survey, we present the preliminary outcomes of extensive research on mmWave massive MIMO (as research on this subject is still in the exploratory phase) and highlight emerging trends together with their respective benefits, challenges, and proposed solutions. The survey spans broad areas in the field of wireless communications, and the objective is to point out current trends, evolving research issues and future directions on mmWave massive MIMO as a technology that will open up new frontiers of services and applications for next-generation cellular networks.
Technical Highlights of the Dodge Compressed Natural Gas Ram Van/Wagon (1992)

<div class="htmlview paragraph">An OEM Natural Gas Vehicle (NGV) has been developed to address recently enacted Clean-Fuel Vehicle legislation. The NGV incorporates advanced fuel storage and fuel metering technologies to produce very low emissions and to provide superior customer value compared to aftermarket conversion units.</div>
A digitally-calibrated 20-Gb/s 60-GHz direct-conversion transceiver in 65-nm CMOS (2013)

This paper presents a digitally-calibrated 60-GHz direct-conversion transceiver. To improve the error vector magnitude (EVM) performance over the wide bandwidth, a digital calibration technique is applied. The 60-GHz transceiver implemented by 65 nm CMOS achieves the maximum data rates of 20 Gb/s in 16QAM mode. The transmitter and receiver consume 351 mW and 238 mW from 1.2 V supply, respectively. As a 60-GHz transceiver, the best Tx-to-Rx EVM performance of -26.2 dB is achieved for 16QAM 7Gb/s data rate.
Simultaneous Granulation and Drying of Filter Cake (2002)

There are normally two possible routes for converting a wet cake obtained from a filter or centrifuge into a granular end product: drying followed by mechanical compaction; wet granulation followed by drying. A third way, simultaneous granulation and drying, has been investigated and has been in use now for several years for the production of a granular end product. It has the following advantages over wet granulation followed by drying: the process is able to accommodate a wide range of moisture contents and the bulk density of the end product is higher. The advantages over drying followed by mechanical compaction are the need for only one process step and the superior shape of the particles (more spherical, less sensitive to attrition).
Combined blockade of the histamine H1 and H4 receptor suppresses peanut-induced intestinal anaphylaxis by regulating dendritic cell function (2016)

Blockade of both H1R and H4R in the challenge phase had additive effects in preventing the intestinal consequences of peanut sensitization and challenge. These effects were mediated through the limitation of mesenteric lymph node and intestinal DC accumulation and function. Identification of this histamine H1R/H4R-DC-CD4<sup>+</sup> T-cell axis provides new insights into the development of peanut-induced intestinal allergic responses and for prevention and treatment of peanut allergy.
Fabrication Capabilities Utilizing in Situ Materials (2008)

The National Aeronautics and Space Administration (NASA) has a Space Exploration Policy that lays out a plan that far exceeds the earlier Apollo goals where landing on the moon and taking those first historic steps fulfilled the mission. The policy states that we will set roots on the moon by establishing an outpost. This outpost will be used as a test bed for residing in more distant locales, such as Mars. In order to become self-sufficient, the occupants must have the capability to fabricate component parts in situ. Additionally, in situ materials must be used to minimize valuable mission upmass and to be as efficient as possible. In situ materials can be found from various sources such as raw lunar regolith whereby specific constituents can be extracted from the regolith (such as aluminum, titanium, or iron), and existing hardware already residing on the moon from past Apollo missions. The Electron Beam Melting (EBM) process lends itself well to fabricating parts, tools, and other necessary items using in situ materials and will be discussed further in this paper.
Cultural Obstacles on the Road to Rural Educational Renewal (2012)

While many rural communities consider themselves a part of something other than an agriculturally-oriented economy, most are nevertheless deeply affected by agricultural policy and practice. Other long-standing rural occupa-tions, such as logging, mining, and fishing, share with agriculture the finite nature of the resource base involved. Historically, this circumstance led to the development of resource stewardship in rural communities and to the resulting evolution of cultural practices tending to sustain the extractive nature of these occupations. In this regard, all of these types of communities are similar. They are similar, too, in that during this century, all have witnessed the distant corporate takeover of their local economies, resulting in the gradual loss of local stewardly wisdom and a clear trend toward unsustainable production practices. Although we focus on agriculture in this essay, by far the most prevalent economic orientation for rural communities in this country, the dynamics discussed are readily transferable to other types of communities. We will be operating on an important premise that already may be apparent from what has been said; that is, we believe it is impossible to separate the concerns of rural schools from their larger social, economic, and political milieu. Because we believe this is the case, it seems that questions concerning rural education must go hand-in-hand with questions about rural community. The goal of this essay, therefore, is to identify contextual obstacles that inhibit both rural school and community renewal and to begin to chart a course others may find useful in their attempts to maneuver around these obstacles.
Dual Roles for Pax-6: a Transcriptional Repressor of Lens Fiber Cell-Specific β-Crystallin Genes (1998)

It has been demonstrated previously that Pax-6, a paired domain (PD)/homeodomain (HD) transcription factor critical for eye development, contributes to the activation of the alphaB-, alphaA-, delta1-, and zeta-crystallin genes in the lens. Here we have examined the possibility that the inverse relationship between the expression of Pax-6 and beta-crystallin genes within the developing chicken lens reflects a negative regulatory role of Pax-6. Cotransfection of a plasmid containing the betaB1-crystallin promoter fused to the chloramphenicol acetyltransferase reporter gene and a plasmid containing the full-length mouse Pax-6 coding sequences into primary embryonic chicken lens epithelial cells or fibroblasts repressed the activity of this promoter by as much as 90%. Pax-6 constructs lacking the C-terminal activation domain repressed betaB1-crystallin promoter activity as effectively as the full-length protein, but the PD alone or Pax-6 (5a), a splice variant with an altered PD affecting its DNA binding specificity, did not. DNase footprinting analysis revealed that truncated Pax-6 (PD+HD) binds to three regions (-183 to -152, -120 to -48, and -30 to +1) of the betaB1-crystallin promoter. Earlier experiments showed that the betaB1-crystallin promoter sequence from -120 to -48 contains a cis element (PL2 at -90 to -76) that stimulates the activity of a heterologous promoter in lens cells but not in fibroblasts. In the present study, we show by electrophoretic mobility shift assay and cotransfection that Pax-6 binds to PL2 and represses its ability to activate promoter activity; moreover, mutation of PL2 eliminated binding by Pax-6. Taken together, our data indicate that Pax-6 (via its PD and HD) represses the betaB1-crystallin promoter by direct interaction with the PL2 element. We thus suggest that the relatively high concentration of Pax-6 contributes to the absence of betaB1-crystallin gene expression in lens epithelial cells and that diminishing amounts of Pax-6 in lens fiber cells during development allow activation of this gene.