Citations with the tag: PRESSURE

Results 151 - 200

  • Carbon at pressures in the range 0.1–1 TPa (10 Mbar).
    Nellis, W. J.; Mitchell, A. C.; McMahan, A. K. // Journal of Applied Physics; 7/15/2001, Vol. 90 Issue 2, p696 

    Single-shock (Hugoniot) equation-of-state data of shock-compressed C (graphite) are reported at pressures of 480 and 760 GPa (7.6 Mbar). Graphite is shock-compressed completely into a diamond-like phase at pressures below 80 GPa. At pressures of 80–800 GPa comparison of an ensemble of...

  • Where's the air?
    Mason, William A.; Pearsall, M.B. // Approach: The Naval Safety Center's Aviation Magazine; Jul/Aug96, Vol. 41 Issue 4, p44 

    Discusses the repair of a failure in fuel-tank pressurization system. Internal-fuel pressurization levels; Finding the cause of reduced airflow to the pumps.

  • Impact Response of PBX 9501 Below 2 GPA.
    Kline, K.; Horie, Y.; Dick, J. J.; Wang, W. // AIP Conference Proceedings; 2002, Vol. 620 Issue 1, p411 

    DDME2, 2 discrete element code, is used to model plane shock-wave profiles in unreacted PBX 9501. The constitutive properties of the material are modeled in terms of hydrostatic pressure and viscoelastic shear stress. The former is modeled using Hugoniot data. The latter is represented by a...

  • Solid-state pressure switches: Performance plus longevity.
    Williams, Raymond R. // Hydraulics & Pneumatics (1996); June97, Vol. 50 Issue 6, p6 

    Presents information on microprocessor-based pressure switches and controllers. Reasons for the increase in popularity; Indepth look at the advantages of the mechanical devices; Information on the installation of the devices. INSETS: Multiple pressure points.;Pressure switch construction..

  • Pressuring the Passer.
    Edwards, Charles // Coach & Athletic Director; Mar1999, Vol. 68 Issue 8, p18 

    Focuses on applying pressure against the passer in football. Ways of pressuring the passer; Role played by deception in the game; Tasks of the passer.

  • Erratum: ‘‘Transient pressure effects in a pinch-compressed cylindrical metallic conductor’’ [J. Appl. Phys. 70, 3488 (1991)].
    Krehl, P. // Journal of Applied Physics; 8/1/1992, Vol. 72 Issue 3, p1206 

    Presents a correction to the study 'Transient Pressure Effects in a Pinch-compressed Cylindrical Metallic Conductor,' by P. Krehl.

  • Stainless steel pressure gauge from Olympus.
    Krehl, P. // Chemical Business; Feb98, Vol. 12 Issue 2, p68 

    Features Olympus Controls Ltd.'s heavy duty process pressure gauges. Key specifications; Contact information.

  • How to raise a confident child.
    Joseph, Nadine // Redbook; Oct95, Vol. 185 Issue 6, p176 

    Presents guidelines as to how parents can manage the effects of peer pressure on their children. Making peer pressure work for parents during children's formative years; When to start discussion of ethical issues; Signs when a child is at risk.

  • Boiler inspectors to build training/conference center.
    Joseph, Nadine // Professional Safety; Jul97, Vol. 42 Issue 7, p15 

    Reports that the National Board of Boiler and Pressure Vessel Inspectors (NBBI) opened a training and conference center, in Columbus, Ohio. Comments from Albert Justin, NBBI executive director; Description of the building.

  • Correction: IAN Head to Head on Pressure Transmitters.
    Joseph, Nadine // Control Engineering; Dec2006, Vol. 53 Issue 12, p38 

    A correction to an article regarding pressure transmitters that was published in the August/September issue is presented.

  • Pluto's Twin?
    Sage, Leslie J. // Journal of the Royal Astronomical Society of Canada; 2011, Vol. 105 Issue 6, p264 

    The article offers the author's insight on the difference between the dwarf planet Eris and Pluto. He says that there is no need to create a new category, such as dwarf planet, because Pluto was already recognized as Kuiper Belt objects (KBOs). He mentions that Eris has no evidence for an...

  • I0P spikes persist after anti-VEGF injections despite preventive measures.
    Preston, Courtney; Frenkel, Ronald E.P. // Ocular Surgery News; 4/25/2011, Vol. 29 Issue 8, p32 

    The article discusses a study suggesting that administration of intraocular pressure (IOP)-lowering medication prior to intravitreal injections of anti-vascular endothelial growth factors (VEGF) agents is ineffective in the prevention of initial IOP increases. Topics include insights from doctor...

  • Oops, we made a mistake.
    Preston, Courtney; Frenkel, Ronald E.P. // New Zealand Doctor; 7/13/2011, p3 

    A correction to the article "Ties to BPAC Seen as Flaw in Contract" that was published in the June 29, 2011 issue is presented.

  • palpation:.
    Huber, Jeffrey T.; Gillaspy, Mary L. // Encyclopedic Dictionary of AIDS-Related Terminology; 2000, p171 

    A definition of the term "palpation," which refers to the application of light fingertip pressure to the outer surface of the body to determine consistence and outline of organs within, is presented.

    Huber, Jeffrey T.; Gillaspy, Mary L. // Archives of Disease in Childhood; Apr2003 Supplement, Vol. 88, pA68 

    Presents an abstract of the study 'Blood Pressure Centiles for Children and Young People Aged 4-24Y in Great Britain,' by L.V. Jackson, N.K.S. Thalange and T.J. Cole, presented at the 7th Spring Meeting of the Royal College of Paediatrics and Child Health.

  • Pluto's Warming Atmosphere.
    Beatty, J. Kelly // Sky & Telescope; Jan2003, Vol. 105 Issue 1, p30 

    Reports on the increasing atmospheric pressure of Pluto during the past 15 years. Rise of the surface temperature; Cause of warmings; Observation of thin nitrogen atmosphere.

  • Miniaturization techniques for obtaining static pressures comparable to the pressure at the center of the earth: X-ray diffraction at 416 GPa.
    Ruoff, Arthur L.; Xia, Hui; Luo, Huan; Vohra, Yogesh K. // Review of Scientific Instruments; Dec90, Vol. 61 Issue 12, p3830 

    X-ray diffraction studies on tungsten and molybdenum were performed, using a 4-�m-diam x-ray beam, to very high pressures, with the pressures being obtained from the measured lattice parameters and isothermal equations of state of tungsten and molybdenum deduced from shock data. The bcc...

  • Intelligent pressure scanners enhance chillers.
    Ruoff, Arthur L.; Xia, Hui; Luo, Huan; Vohra, Yogesh K. // Control Engineering; Mar98, Vol. 45 Issue 3, p61 

    Features the Model 9010 intelligent pressure scanner from Pressure Systems Inc. Product use; Key features.

  • Keeping the pressure on pressure instrumentation.
    Johnson, Dick // Control Engineering; Mar98, Vol. 45 Issue 3, p98 

    Discusses the importance and key features of several pressure sensing devices. Process control and instrumentation; Pressure sensing measurement; Flow and level measurement; Yokogawa Industrial Automation's A-Series DPharp digital pressure transmitter; Foxboro Co.'s I/A Series pressure...

  • TPMS Rollout Rolling Along.
    Murphy, Tom // Ward's Auto World; Mar2009, Vol. 45 Issue 3, p30 

    The article focuses on the Tire Pressure Monitoring System (TPMS) mandatory for new vehicles sold in the U.S. It is stated that the standard is used in requiring onboard monitors to warn drivers when tire air pressure is at least 25% below the recommended cold-inflation pressure. The industry...

  • Central Venous Pressure as a Guide to Volume Expansion.
    Murphy, Tom // Annals of Internal Medicine; Jun67, Vol. 66 Issue 6, p1283 

    Editorial. Discusses the importance of central venous pressure (CVP) to blood volume expansion. Accuracy of the appraisal of right ventricular filling pressure through CVP; Reason for the reluctance of some physicians to expand blood volume despite a normal CVP; Techniques for monitoring CVP.

  • How to identify shallow water flows with real-time pressure measurement.
    Ward, Chris; Beique, Mitch // Offshore; Jun99, Vol. 59 Issue 6, p34 

    Part I. Provides information on the various applications of Pressure-While-Drilling sensor measurements, focusing on shallow water flows, a major deepwater problem. Reason deepwater drilling often proves troublesome; Methods used to mitigate the water flows; Causes of equivalent mud weight.

    Ward, Chris; Beique, Mitch // Motor Age; Oct2012, Vol. 131 Issue 10, p14 

    A quiz about tire pressuring monitoring system is presented.

  • The energies of microvoid formation in Si as a function of applied hydrostatic stress.
    Cuendet, Nicolas; Halicioglu, Timur; Tiller, William A. // Applied Physics Letters; 12/23/1996, Vol. 69 Issue 26, p4071 

    Using a Tersoff-type empirical potential energy function, the free energy of formation for microvoids in silicon containing 24 and 57 vacancies was calculated at 1000 K as a function of externally applied hydrostatic stress in the range of -10 kbar (tensile) to 10 kbar (compressive). The results...

  • hypertonicity.
    Cuendet, Nicolas; Halicioglu, Timur; Tiller, William A. // Taber's Cyclopedic Medical Dictionary (2009); 2009, Issue 21, p1127 

    A definition of the term "hypertonicity," which refers to an excess of muscular or arterial tone or intraocular pressure, is presented.

  • iridencleisis.
    Cuendet, Nicolas; Halicioglu, Timur; Tiller, William A. // Taber's Cyclopedic Medical Dictionary (2009); 2009, Issue 21, p1230 

    A definition of the term "iridencleisis," which refers to an operation for relieving increased intraocular pressure, is presented.

  • Heart rate and blood pressure during initial LBNP do not discriminate higher and lower orthostatic tolerant men.
    Shawn R. Simonson; Peter Norsk; John E. Greenleaf // Clinical Autonomic Research; Dec2003, Vol. 13 Issue 6, p422 

    High (n = 7, 25 ± 2 yr) and low (n = 8, 26 ± 3 yr) lower body negative pressure (LBNP) tolerant men were exposed to ?15 mmHg (for 12 min) followed by ?50 mmHg (for 21 min) to test the hypothesis that heart rate (HR) and blood pressure (BP) data from acute exposure to LBNP would not...

  • Transducer has digital compensation.
    Shawn R. Simonson; Peter Norsk; John E. Greenleaf // Modern Power Systems; Aug95, Vol. 15 Issue 8, p95 

    Reports on the introduction of Pressure Systems Inc.'s series of all-media transducers.

    Hoyer, Mark // Cycle World; Sep2014, Vol. 53 Issue 9, p76 

    The article features several tire pressure gauges including the Motion Pro short pencil gauge, the Blue Point analog dial gauge and the Motor Pro 0-60 psi digital tire pressure gauge.

    Callahan, Lisa // Self; Oct2003, Vol. 25 Issue 10, p84 

    Answers a question on low blood pressure. Commonality of low blood pressure in women.

  • Digital pressure gage.
    Callahan, Lisa // New Equipment Digest; Aug99, Vol. 64 Issue 8, p79 

    Introduces the Quartzonix Model 9600 digital pressure gage from Pressure Systems Inc. Product features; Applications; Contact information.

  • Generation of static pressures above 2.5 megabars in a diamond-anvil pressure cell.
    Goettel, Kenneth A.; Mao, Ho-kwang; Bell, Peter M. // Review of Scientific Instruments; Jul1985, Vol. 56 Issue 7, p1420 

    A static pressure of 2.75 Mbars has been generated in a diamond-anvil pressure cell. This pressure is 1 Mbar higher than the highest static pressure previously produced in a laboratory, 1.72 Mbar by Mao and Bell [Science 200, 1145 (1978)]. Improvements in the geometry of the cut of beveled anvil...

  • Acoustic gas density measuring cell.
    Haran, E. N. // Review of Scientific Instruments; Sep88, Vol. 59 Issue 9, p2059 

    Preliminary experiments reported in 1983 suggested that the density of a known gas could be determined, in principle, by measuring the alternating pressure of an acoustic field set up in the gas. A density measuring cell has now been developed that is inherently fast acting (overall response...

  • Pressure sensor handles the heat.
    Raymond, Martha K. // Machine Design; 04/16/98, Vol. 70 Issue 7, p62 

    Provides information on the development of the Model 9016 Ethernet Intelligent Pressure Scanner to handle temperature changes of pressure sensors by Pressure Systems Incorporated. Features of the system; What the system consists of.

  • High-pressure strand burner system for propellant flame studies using absorption spectroscopy.
    Mallery, C.; Kim, E.; Thynell, S.T. // Review of Scientific Instruments; Aug1995, Vol. 66 Issue 8, p4091 

    Describes the design and operation of a high-pressure strand burner capable of withstanding pressures up to 6.9 MPa. Associated components for use with the chamber; Performance of absorption measurements using Fourier-transform infrared spectroscopy; Obtained spectra with sufficient...

  • Air pressure.
    Farndon, John // Planet Earth (1-59084-469-6); 2003, p57 

    Although air is light, there is so much of it that air can exert huge pressure at ground level. It is the constant bombardment of billions of air molecules as they zoom about. Air pushes in all directions at ground level with a force of over two pounds per square centimeter. A fall in air...

  • Dependence of the fundamental band gap of Al...Ga...N on alloy composition and pressure.
    Haller, E. E.; Martin, M. C. // Journal of Applied Physics; 6/15/1999, Vol. 85 Issue 12, p8505 

    Presents optical absorption studies to investigate the dependence of the fundamental band gap of epitaxial films on aluminium (Al) content and applied hydrostatic pressure. Results of absorption measurements performed at atmospheric pressure; Optical transmission spectra taken from several...

  • autoclave.
    Haller, E. E.; Martin, M. C. // Hutchinson Dictionary of Scientific Biography; 2005, p1 

    Reactor vessel constructed to allow chemical reactions to take place at high temperature and pressure. Such vessels are used, for example, in the manufacture of chemicals and materials for the construction industry.

  • Pressure transmitter.
    Haller, E. E.; Martin, M. C. // Plant Engineering; May2011, Vol. 65 Issue 4, p58 

    The article presents information about the pressure transmitter, S-10.

  • Abnormal CVP waveform.
    Raut, Monish S.; Maheshwari, Arun // Saudi Journal of Anaesthesia; Oct-Dec2013, Vol. 7 Issue 4, p482 

    A letter to the editor is presented regarding abnormal central venous pressure (CVP) waveform.

  • An experimental method to dynamically test pressure sensors using a rupture disk.
    Liu, Hanying; Miller, Don W.; Talnagi, Joseph W. // Review of Scientific Instruments; Feb2002, Vol. 73 Issue 2, p459 

    The response time of a pressure sensor is required when it is used in control systems and in some measurement applications. It is often difficult to measure the response time of a pressure sensor since it is difficult to obtain changes in fluid pressure sufficient to characterize the sensor...

  • Managing supply pressure effect.
    Adkins, Michael; Pronk, Wouter // Process & Control Engineering (PACE); Dec2013, Vol. 66 Issue 11, p12 

    The article the phenomena of the surface pressure effect (SPE) wherein the outlet pressure increases for no reason in a pressure-reducing regulator. Described is SPE which is also referred to as dependency wherein its possible cause could be a malfunctioning regulator. Noted is the management of...

    Gunther, Terry; Medina, A.; Grismer, J. T. // Angiology; Oct1965, Vol. 16 Issue 10, p635 

    Features a compact portable mercury manometer used for calibrating pressure transducers. Types of mercury manometer; Design of the manometer; Calibration requirements.

  • Study explores mechanism of increased nocturnal IOP.
    Groves, Nancy // Ophthalmology Times; 9/1/2007, Vol. 32 Issue 17, p16 

    The article presents a study on the increased nocturnal changes in intraocular pressure (IOP). Research indicates that IOP follows a carcadian rhythm that includes a nocturnal increase which occurs despite a nighttime decrease in aqueous humor flow. Researchers found that tonographically...

  • Systemic, circadian factors challenge IOP control measures.
    Rajecki, Ron; Asrani, Sanjay // Ophthalmology Times; 7/1/2008, Vol. 33 Issue 13, p10 

    The article discusses factors related with controlling intraocular eye pressure (IOP). It is stated that the challenging task of controlling patients IOP becomes more difficult due to several factors which can cause fluctuations in IOP. These factors include posture, blood pressure,...

  • Don't dismiss white-coat hypertension.
    Rajecki, Ron; Asrani, Sanjay // Cortlandt Forum; 9/25/2005, Vol. 18 Issue 9, p17 

    Cites a study on the existence of white-coat hypertension in Japan. Citations of the blood pressure of the respondents; Rate of the white-coat group who had progressed to true hypertension; Need to monitor white-coat hypertension.

  • A Computer Controlled Precision High Pressure Measuring System.
    Sadana, S.; Yadav, S.; Jha, N.; Gupta, V. K.; Agarwal, R.; Bandyopadhyay, A. K.; Saxena, T. K. // Measurement Science Review; 2011, Vol. 11 Issue 6, p198 

    No abstract available.

  • Calculation of barometric efficiency in shallow piezometers using water levels, atmospheric and earth tide data.
    R. Acworth; T. Brain // Hydrogeology Journal; Dec2008, Vol. 16 Issue 8, p1469 

    Abstract��The variation in atmospheric pressure at Baldry in New South Wales, Australia (32�52' S, 148�32' E), has been determined using a 4-year record of hourly measurements. Fourier analysis of this data shows clear diurnal and semi-diurnal variation in atmospheric...

  • A new sensitivity analysis scheme for coupled vibro-acoustic system using wave based method.
    Xuesong He; Qibai Huang; Caixia You // Archive of Applied Mechanics; Feb2009, Vol. 79 Issue 2, p125 

    Abstract��Vibro-acoustic sensitivity is used to predict the change of structure displacement and acoustic pressure when the design variable has been changed, which is significant for reducing the vibration and noise of systems. The sensitivity of structure displacement and acoustic...

  • Pressure effect on the structural and elastic properties of ternary compounds M2AlC (M = Ti, V, Nb, and Ta); ab initio study.
    Y. Medkour; A. Roumili; D. Maouche // European Physical Journal - Applied Physics; Nov2008, Vol. 44 Issue 2, p125 

    Using ab initio calculations, we have performed a study of the hydrostatic pressure effect on the equilibrium volume, lattice parameters, elastic modulus, and elastic anisotropy of selected M2AlC phases with M = Ti, V, Nb, and Ta. The deviations of our calculated volume change are lower than 3%...

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