11,334 research outputs found

    An evaluation of intermittently inflated extremity cuffs in preventing the cardiovascular deconditioning of bedrest and water immersion

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    Inflatable tourniquet effects on cardiovascular deconditioning during bed rest and water immersion studies on human

    Free energies of static three quark systems

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    We study the behaviour of free energies of baryonic systems composed of three heavy quarks on the lattice in SU(3) pure gauge theory at finite temperature. For all temperatures above TcT_c we find that the connected part of the singlet (decuplet) free energy of the three quark system is given by the sum of the connected parts of the free energies of qqqq-triplets (-sextets). Using renormalized free energies we can compare free energies in different colour channels as well as those of qqqq- and qqqqqq-systems on an unique energy scale.Comment: 5 pages, 6 figures, Contribution to Strong and Electroweak Matter 2004 (SEWM04), Helsinki, Finland 16-19 June 200

    A study of the possible preventive effects of muscular exercises and intermittent venous occlusion on the cardiovascular deconditioning observed after 10 days bed recumbency - Experimental design

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    Experiment designed to study preventive effects of muscular exercises on intermittent venous occlusion on cardiovascular deconditioning observed after 10 days bed recumbenc

    A New Satellite Image Map of King George Island (South Shetland Islands, Antarctica)

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    Experimental investigations to simulate the thermal environment, transparent walls, and propellant heating in a nuclear light bulb engine

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    Simulating thermal environment, transparent walls, and propellant heating in nuclear light bulb engin

    ReJeX-iTâ„¢AG-36, a Potential Tool to Protect Seeds from Bird Depredation

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    The ever increasing bird populations (e.g., Black birds, geese etc.) are known to cause considerable losses to agriculture. This problem has reached serious proportions for crops that are farmed on large tracts and are seeded by aerial application such as rice and canola. ReJeX-iTâ„¢AG-36, a non-toxic, biodegradable bird aversion formulation, derived from food grade ingredients, has been proven in pen tests and field trials to be effective as a seed treatment to prevent birds from eating the treated seeds. The product does not harm the seeds or the effected birds in any way, even if ingested; it just makes the seeds unpalatable to further feeding

    ReJeX-iT(TM)AG-36, A POTENTIAL TOOL TO PROTECT SEEDS FROM BIRD DEPREDATION

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    The ever increasing bird populations (e.g., Black birds, geese etc.) are known to cause considerable losses to agriculture. This problem has reached serious proportions for crops that are farmed on large tracts and are seeded by aerial application such as rice and canola. ReJeX-iTTM AG-36, a non-toxic, biodegradable bird aversion formulation, derived from food grade ingredients, has been proven in pen tests and field trials to be effective as a seed treatment to prevent birds from eating the treated seeds. The product does not harm the seeds or the effected birds in any way, even if ingested; it just makes the seeds unpalatable to further feeding

    FOGGING OF REJEX-IT® TP-40. EFFECTIVENESS AS A FUNCTION OF DROPLET SIZE TO REPEL BIRDS

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    Fogging of Rejex-it® TP-40 (Fog Force) offers a very efficient method for the management of nuisance birds in many diverse areas without any adverse effects to non-target animals. Despite its effectiveness, there are many factors that influence the effectiveness and desired results. The product alone does not guarantee the desired success. It is not always the quantity that determines fast reaction, but more the form for the specific application. Smaller droplets in the 10-micron range are theoretically 27 times more effective than 30 micron droplets and five micron droplets even 216 times more effective for the same quantity of product applied. It has been shown that droplets below 10 microns are inhaled by birds much more and therefore show an increase in effectiveness. Also, birds in flight with a breathing rate of 50-100 times higher than the resting rate show increased effectiveness. Large droplets not only are relatively ineffective, they also tend to drop to the ground prematurely and are lost. Smaller droplets stay in the air much longer and disappear by evaporation and do not drop to the ground. In large warehouses or hangars it is therefore advisable to bring the fogger to the height where the birds are, so that the fog stays in the upper regions without disturbing any operation on the ground floor. Depending on the situation, it sometimes is still advantageous to use foggers, which do not produce the ideal droplet size, but have other advantages that are needed for success. In strong wind or with thermal currents sometimes larger droplets are needed to reach the nuisance birds. Also, many times automated ULV foggers (e.g., Hurricane, BICO 2000), that work without much noise are more effective than hand held thermal foggers

    [Fe XIV] and [Fe XI] reveal the forward shock in SNR 1E0102.2-7219

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    Aims. We study the forward shock in the oxygen-rich young supernova remnant (SNR) 1E0102.2-7219 (1E0102 in short) via optical coronal emission from [Fe XIV] and [Fe XI]: emission lines which offer an alternative method to X-rays to do so. Methods. We have used the Multi-Unit Spectroscopic Explorer (MUSE) optical integral field spectrograph at the Very Large Telescope (VLT) on Cerro Paranal to obtain deep observations of SNR 1E0102 in the Small Magellanic Cloud. Our observations cover the entire extent of the remnant with a seeing limited spatial resolution of 0.7" = 0.2 pc at the distance of 1E 0102. Results. Our MUSE observations unambiguously reveal the presence of [Fe XIV] and [Fe XI] emission in 1E0102. The emission largely arises from a thin, partial ring of filaments surrounding the fast moving O-rich ejecta in the system. The brightest [Fe XIV] and [Fe XI] emission is found along the eastern and north-western sides of 1E0102, where shocks are driven into denser ISM material, while fainter emission along the northern edge reveals the location of the forward shock in lower density gas, possibly the relic stellar wind cavity. Modeling of the eastern shocks and the photoionization precursor surrounding 1E0102, we derive a pre-shock density nHn_H = (7.4 +-1.5) cm−3^{-3}, and a shock velocity 330 km/s < vsv_s < 350 km/s.Comment: 4 pages, 4 figures, accepted for publications in A&A as a Letter to the Edito
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