gebhart/patrepeval huggingface dataset:
Marine Applications of Fuel Cells: A Multi‐Agency Research Program (1998)

ABSTRACT Recent advances in fuel ceils, especially commercial transportation and land‐based electric power generation, make them attractive alternatives to conventional shipboard power sources. Simply stated a fuel cell operates likes a battery. It is a device that supplies electricity (DC) by combining hydrogen and oxygen electrochemically without combustion. Unlike a battery, it does not run down or require recharging and will produce electricity, heat and water as long as fuel is supplied. Fuel cells are more efficient than diesel engines or gas turbines and may use significantly less fuel, with virtually no pollution. They are simple with no moving parts except for the balance‐of‐plant equipment associated with fuel management. As a result manning may be minimized. The challenge of marinizing and militarizing fuel cells is a daunting one. This paper will review the current status of marine studies and describe their importance. A recently formed multi‐federal agency work group has been coordinating marine fuel cell research and its goals and plans will be discussed.
Ubiquitous Sensor Networks and Image Processing Based Environmental Monitoring System for Fire Safety (2014)

In recent years, since the tall buildings are getting increased and getting dense in the city area, those buildings can be more and more exposed to risks such as fire and natural disasters. In case if the high-rise building is on fire, it is not easy to put out the fire even with the modernization of the firefighting equipment. These risks can directly lead to human casualties so that it is necessary to quickly have an initial evacuation or initial suppression risks. In this paper, we propose the integrated method for reducing the fire risks through sensors such as temperature and humidity, ZigBee technology, camera control and image processing technologies, and real-time data transmission technology. Based on our proposed method, it is expected that our integrated system directly leads to the expansion of risk safety management system as well as the development of USN technologies.
Non-Linear Three-Dimensional Finite Element Analysis of a Cementless Hip Endoprosthesis (1989)

In this finite element study the stresses between a stem component of a cementless hip endoprosthesis (Young modulus of Co-Cr-Mo) and the human femur were calculated for two different loading types. Linear and non-linear models were used to simulate the interface implant bone. Two models, a stem with a porous coated surface over the entire length and a stem with a porous coated surface in the proximal region were compared regarding the load transmission to the femur. An additional calculation of an 'isoelastic' stem (Young modulus of cortical bone) was done to show the influence of the stem stiffness. A porous coated surface over the entire length causes principal shear stresses up to 2.75 MPa in the distal-medial region during level walking. The highest compressive stresses were calculated in the proximal-lateral region as 1.5 MPa in cancellous bone. A more physiological load transmission is obtained by limiting the coated area to the proximal region. All stresses in the two models are lower than experimentally evaluated strengths in the interface between implant and bone. A strong influence of the Young modulus of the stem material on the interface stresses was found. An 'isoelastic' stem causes compressive stresses in the proximal-lateral region whose values exceed the experimental strength of cancellous bone.
Controlled Growth and Magnetic Property of FePt Nanostructure: Cuboctahedron, Octapod, Truncated Cube, and Cube (2009)

The strategy for shape control of alloy FePt nanocrystal was studied systematically. By the careful adjustments of reaction parameters in a solution reaction, surfactant−facet bindings on the growth seed were controlled delicately. FePt octapod, cuboctahedron, truncated cube, and nanocube were successfully prepared from cuboctahedral seed and examined by high-resolution transmission electron microscopy. The formations of FePt nanostructures were mainly attributed to the differences in the growth rate between the {111} and {100} planes of cuboctahedral seeds. The magnetic measurements showed that the order of volume, V(nanocube) > V(octapod) > V(cuboctahedron) obviously reflected the order of saturated magnetization (Ms), Ms (nanocube) > Ms (octapod) > Ms (cuboctahedron). Furthermore, the measurements of octapod exhibited the highest coercivity and blocking temperature because of its higher surface to volume ratio and more structural facets.
Pimecrolimus 1% cream for the treatment of steroid-induced rosacea: an 8-week split-face clinical trial (2008)

This study suggests that pimecrolimus 1% cream is an effective and well-tolerated treatment for steroid-induced rosacea.
Micro-channel plates and vacuum detectors (2014)

A micro-channel plate is an array of miniature electron multipliers that are each acting as a continuous dynode chain. The compact channel structure results in high spatial and time resolutions and robustness to magnetic fields. Micro-channel plates have been originally developed for night vision applications and integrated as an amplification element in image intensifiers. These devices show single-photon sensitivity with very low noise and have been used as such for scintillating fiber tracker readout in high-energy physics experiments. Given their very short transit time spread, micro-channel plate photomultiplier tubes are also being used in time-of-flight and particle identification detectors. The present paper will cover the history of the micro-channel plate development, basic features, and some of their applications. Emphasis will be put on various new manufacturing processes that have been developed over the last few years, and that result in a significant improvement in terms of efficiency, noise, and lifetime performance.
바로크시인 존 단과 G. W. 라이프니츠-모나드, 주름의 펼침 (2011)

John Donne and Monad, The Fold Hyunjoo Yoo (Yonsei University) The baroque refers to the era situated somewhere between the 17th and 18th centuries. Since the baroque experienced radical social, cultural, political and economical transformations, it can be defined as ‘periods of crisis' or ‘moments of transition,' and ‘the space for inaugurating new beginnings.' Both John Donne (1572-1631) and Gottfried Wilhelm Leibniz (1646-1716) lived in this transhistorical, transcultural era called the baroque. Although it is not sure whether they both knew each other's existence then, John Donne's poems can be said to be closely related to Leibniz's ‘Monad' philosophy. That is because they share the baroque mentality and sensibility, such as ‘monad individuals', ‘a perfect correspondence between the microcosm and the macrocosm', ‘reconciliation between body and soul', ‘preference for variety, diversity, change' and ‘emphasis on solidarity and harmony.' In fact, the contemporary society consists of monad individuals, which reminds us of the baroque individuals. Considering this aspect, this paper aims to associate John Donne's poems with the baroque philosopher Leibniz's Monadology and also the neo-baroque philosopher Gilles Deleuze's ‘Monad’ and ‘The Fold’ in order to enhance our understanding of the (neo-) baroque era. That is, the baroque should be considered not only as a phenomenon of the 17th but also, more broadly, as a transhistorical that has had wider historical repercussions. That might be why we need to still read John Donne's poems and look into our lives through his poems. As Deleuze writes of the “new baroque,” appreciating John Donne's poems, we can discover new way of our own folding, akin to new environment.
<title>Single-polarization fiber optic resonator for gyro applications</title> (1992)

A novel fiber-optic resonant ring has been demonstrated that eliminates one of the orthogonal resonances in the cavity. Standard birefringent fiber resonators support two resonances, associated with the fast and slow eigenmodes of the resonator. The addition of an intercavity device increases the loss in one of the eigenmodes, thus squelching that resonance. We have fabricated resonant rings from birefringent fiber polished couplers with a length of polarizing fiber spliced into the cavity, which eliminates the orthogonal resonance, even for moderate amounts of subcomponent polarization cross-coupling. Resonators with deep, symmetric dips and with finesse of about 25 have been obtained, fabricated from adjustable and fixed polarization-maintaining couplers.
Low Frequency Current Ripple Reduction Technique With Active Control in a Fuel Cell Power System With Inverter Load (2007)

A fuel cell power system that contains a single-phase dc-ac inverter tends to draw an ac ripple current at twice the output frequency. Such a ripple current may shorten fuel cell life span and worsen the fuel efficiency due to the hystersis effect. The most obvious impact is it tends to reduce the fuel cell output capacity because the fuel cell controller trips under instantaneous over-current condition. In this paper, the ripple current propagation path is analyzed, and its linearized ac model is derived. The equivalent circuit model and ripple current reduction with passive energy storage component are simulated and verified with experiments. An advanced active control technique is then proposed to incorporate a current control loop in the dc-dc converter for ripple reduction. The proposed active ripple reduction method has been verified with computer simulation and hardware experiment with a proton exchange membrane type fuel cell using a multiphase dc-dc converter along with a full-bridge dc-ac inverter. Test results with open loop, single voltage loop, and the proposed active current-loop control are provided for comparison.
When is a card multi-application? (2007)

The term ‘multi-application card’ is used in different ways by different groups of people: the marketing department sees the card in terms of selling features, the IT department according to the technologies used by the card, and the operations department looks at the number of processes the card supports.
A Causal-Correlational Investigation Of The Performance, Satisfaction, And Reward Relationship (1976)

In recent years, an increasing number of researchers have exhibited an interest in the possible relationships between the variables of task performance, organizational rewards, and worker satisfaction. The most recent theoretical proposition holds that any empirical relationship between the variables is directly dependent upon performance-reward contingencies. The research reported was designed to empirically investigate the causal inferences concerning the relationship between contingent rewards and performance, contingent rewards and satisfaction, and performance and satisfaction within an organizational setting where rewards (pay) are strongly contingent upon performance. The results of the data analysis support the proposition that performance-contingent rewards have direct causal impact on performance. However, due to the low predictive correlations, no generalized causal priority could be empirically verified between contingent rewards and satisfaction or between performance and satisfaction.
Autonomous Utility Mower (2016)

Two off-the-shelf John Deere utility mowers were modified for X-by-wire control for the purposes of constructing autonomous vehicles usable in sports-turf mowing applications. The purpose of these mules was to enable the gathering of requirements and customer feedback on such a system. The environment selected initially was that of a baseball stadium. These areas can be characterized as flat, highly controlled and well-groomed, for which precise mowing patterns are necessities. Typically the operators of these mowers are highly skilled; an autonomous system has the benefits of saving time and labor, permitting the efficient usage of less-skilled employees, and allowing skilled personnel to focus on more complex tasks (such as infield mowing and warning track grooming). For this application, there are stringent requirements on navigation, path planning and path tracking, while the safeguarding requirements are challenging, but more relaxed than, say, the requirements for golf courses. The calculation of precise position and orientation in this environment requires sensor fusion and is complicated by the fact that frequently the operating area is surrounded by very high walls, limiting sky visibility and preventing the usage of GPS-centric navigation systems. Furthermore, it was desirable to mature the design far enough so that it could be operated regularly by non-technical operators. These results were achieved by developing an accurate local positioning system, making the hardware and software subsystems robust against unexpected failures and constructing a very simple graphical user interface. This paper will review other relevant existing systems, describe the hardware and software systems utilized, and conclude with descriptions on the performance, customer learning, and description of properties of autonomous systems that enable their integration into a worksite.
Adaptive evolution of lysozyme: Changes in amino acid sequence, regulation of expression and gene number (1996)

Adaptive evolution of lysozyme has involved remodelling of amino acid sequences and changes in patterns of gene expression and in gene number. Following an outline of the phenomena likely to be indicative of adaptive evolution and how one can assess them, this chapter focuses on four cases in which lysozyme c has been recruited as a digestive enzyme in the stomachs of creatures needing to retrieve nutrients from microorganisms in fermented food. For each case-ruminant artiodactyls, leaf-eating monkeys, a leaf-eating bird, and fruit flies-the factors likely to be of primary importance in lysozyme's adaptation are examined. Additional examples of apparent adaptation for digestion or antimicrobial defense in animals as diverse as mice, moths, and molluscs are summarized. This chapter considers also the case of three internally clustered residues which among galliform bird lysozymes c occur either as Thr 40, Ile 55, and Ser 91 (TIS) or as Ser 40, Val 55, and Thr 91 (SVT). Reconstruction and testing of six possible intermediate proteins and development of the concept of a neutral corridor of protein traits are described.
Switching loss analysis considering parasitic loop inductance with current source drivers for buck converters (2010)

In this paper, the switching loop inductance was investigated on the Current Source Drivers (CSDs). The analytical model was developed to predict the switching losses. It is noted that although the CSDs can reduce the switching transition time and switching loss greatly, the switching loop inductance still has the current holding effect on the CSDs. This results in high turn off loss for the control MOSFET in a buck converter. Thus, an improved layout was proposed to achieve minimum switching loop inductance. The experimental results verified the significant switching loss reduction owing to the proposed layout of a buck converter with 12 V input, 1.3 output and 1MHz.
13CLabeling reveals multiple amination reactions in the biosynthesis of a novel polyketide polyamine antibioticzeamine from Dickeya zeae (2009)

The structure of zeamine, a novel polyamino-amide antibiotic metabolite of Dickeya zeae has been established by NMR and detailed MS analyses; labelling studies with (13)C-labelled acetates suggest that the repeating secondary amine containing motif may be biosynthesised via a modular PKS containing aminotransferase domains.
Integrated circuits for television receivers (1969)

Integrated circuits are being investigated for use in as many television circuits as feasible. In Japan, considerable work has been done by different groups within the TV industry to develop ICs that will permit cost reduction, increased reliability, and simplification of assembly-line operations. This article is a report on results of the concentrated efforts made by five major television set manufacturers to develop and produce black-and-white and color receivers, in collaboration with four universities, two institutes, and seven components manufacturers.
General solution for propagation, radiation and scattering in arbitrary 3D inhomogeneous structures (1992)

A versatile technique for obtaining the full-wave characteristics of structures composed of conductors and dielectrics is described. It involves the replacement of the dielectric regions by an equivalent interlocking array of thin-wall sections, to which appropriate surface impedances are then attributed. Through the use of a two-dimensional rooftop current representation and line-function testing of the electric field, matrix equations appropriate for propagation, radiation, and scattering problems are generated and solved. The focus is on the physical principles, and the usefulness of the approach is demonstrated by solving a wide variety of practical problems.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Arginase Inhibition Improves Endothelial Function in an Age-Dependent Manner in Healthy Elderly Humans (2018)

Reduced bioavailability of nitric oxide (NO) is accompanied by endothelial dysfunction, which precedes clinical signs of atherosclerosis. The metalloenzyme arginase reciprocally inhibits the formation of NO and available data demonstrate that arginase contributes to reduced bioavailability of NO and increases the formation of reactive oxygen species. Emerging evidence suggests that arginase thereby plays a key role in the pathophysiology of age-associated vascular complications in animal models. However, the role of arginase in elderly human subjects <i>in vivo</i> with regard to macrovascular endothelial function is unclear. We hypothesized that arginase inhibition improves endothelial function in an age-dependent manner in elderly healthy subjects. Twenty-one subjects ranging from 48 to 75 years of age were included for evaluation of endothelial function using forearm venous occlusion plethysmography. Endothelium-dependent vasodilatation (EDV) and endothelium-independent vasodilatation (EIDV) were evaluated before and after 2-hour intra-arterial infusion of the arginase inhibitor N<sup>ω</sup>-hydroxy-nor-L-arginine (nor-NOHA). Baseline EDV, but not EIDV, was inversely correlated with age (<i>p</i> < 0.05, R = -0.48 and <i>p</i> = 0.62, R = -0.14, respectively). The magnitude of the improvement in EDV induced by arginase inhibition was significantly correlated with age (<i>p</i> < 0.05, R = 0.56), whereas EIDV was not (<i>p</i> = 0.25, R = 0.26). Arginase inhibition improves endothelial function in an age-dependent manner in elderly healthy subjects. The results suggest that arginase is a key factor contributing to endothelial dysfunction and may serve as a future pharmacological target for improving endothelial function in elderly subjects.
Exploring the mechanism of tryptophan 2,3-dioxygenase (2008)

The haem proteins TDO (tryptophan 2,3-dioxygenase) and IDO (indoleamine 2,3-dioxygenase) are specific and powerful oxidation catalysts that insert one molecule of dioxygen into L-tryptophan in the first and rate-limiting step in the kynurenine pathway. Recent crystallographic and biochemical analyses of TDO and IDO have greatly aided our understanding of the mechanisms employed by these enzymes in the binding and activation of dioxygen and tryptophan. In the present paper, we briefly discuss the function, structure and possible catalytic mechanism of these enzymes.
Margin Requirements across Equity-Related Instruments: How Level Is the Playing Field? (2003)

Investors can participate in the returns on the Standard and Poor's 500 composite index in a variety of ways, and these alternatives exist because they differ in important respects. This article assesses one dimension of these differences-margin requirements. ; Focusing on equity-related instruments, the author develops a model to simulate the values arising from several identical positions obtained by combinations of stocks and stock derivatives. The results are then used to assess the costs of margin requirements on alternative strategies. The primary conclusion is that the playing field is more level than a cursory focus on initial margin requirements might indicate. The costs associated with margin requirements on equities or stock indexes are essentially fixed costs. On the other hand, costs of margin requirements on derivatives, particularly on futures contracts, have a low fixed cost component but are more sensitive to the price of the underlying security. Investors may be choosing their strategies based on their tolerance for risk and may be sorting themselves into different markets, allowing all instruments to be financially viable.
The Role Of Homeotic Genes In Flower Development And Evolution (1991)

Crop loss due to soil salinization is an increasing threat to agriculture worldwide. This review provides an overview of cellular and physiological mechanisms in plant responses to salt. We place cellular responses in a time- and tissue-dependent context ...Read More
Software Evaluation Criteria for Rapid Factory Layout Planning, Design and Simulation (2012)

The objective of this paper is to specify functional requirements on software for rapid factory planning and design in a digital factory context. In comparison with other studies that focus on particular aspects of layout development, this work deploys a comprehensive approach, based on industrial needs, to determine main functionalities for factory layout software. The research considers integration of different layouts where original equipment manufacturer and other stakeholders involved in factory layout design collaborate with each other to develop, or extend a factory. Therefore; engineering change management and data exchange in a system neutral format are taken into account as main pillars.
Poétique mathématique non-probabiliste (1968)

Marcus Solomon. Poétique mathématique non-probabiliste. In: Langages, 3ᵉ année, n°12, 1968. Linguistique et littérature, sous la direction de Roland Barthes. pp. 52-55.
Simulating Multivariate Nonnormal Distributions (1983)

A method for generating multivariate nonnormal distributions with specified intercorrelations and marginal means, variances, skews, and kurtoses is proposed. As an example, the method is applied to the generation of simulated scores on three psychological tests administered to a single group of individuals.