radiation-emitting medical devices: Topics by WorldWideScience.org

Choosing a medical device is complex and requires a transparent process based on reason, evidence and assessment of prioritized public health needs. Poor choices lead to inappropriate use or non-use of medical devices and a waste of resources.This report suggests how an agenda to improve access to appropriate medical devices could be devised from applying the crucial 4 components - Availability, Accessibility, Appropriateness, and Affordability, to the 15 global high-burden diseases and some cross-cutting issues. The results of this exercise suggest several areas of research necessary to help

2010-01-01

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Sunscreen

... Animal & Veterinary Cosmetics Radiation-Emitting Products Tobacco Products Drugs Home > Drugs > Resources for You > Information for Consumers (Drugs) Section ...

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N86-28427

Self-Referent Constructs and Medical Sociology: In Search of an Integrative Framework*

SPONTANEOUS RADIATION EMITTED BY MOVING TETHERED SYSTEMS. M. Dobrowolny. Istituto Fislca Spazio Interplanetario, CNR Italy ...

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Radiations emitted in the decay of /sup 165/Er: A promising medical radionuclide

A theoretical framework centering on four classes of self-referent constructs is offered as a device for integrating the diverse areas constituting medical sociology. Guidance by this framework...Full Text Available

2007-06-01

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Radiations emitted in the decay of "1"6"5Er: A promising medical radionuclide

The 10.3-h /sup 165/Er, decaying by electron capture to stable /sup 165/Ho, offers an excellent promise for use in diagnostic nuclear medicine, especially in conjuction with multiwire proportional-counter cameras. Using an ultra-high-resolution Si(Li) photon spectrometer, L and K x-ray photon yields in /sup 165/Er decay have been measured. The ratio P/sub L//P/sub K/ of electron-capture probabilities in L and K shells is determined to be 0.196 +- 0.030, in good agreement with theory. Estimates of Auger electron yields and yields of very-low-energy electrons from Coster--Kronig transitions are presented. Levels of /sup 169/Er and /sup 171/Er radioactive impurities in the reactor-produced /sup 165/Er sample are experimentally determined. Whole-body dose estimates for /sup 165/Er are given. These compare favorably with /sup 99/Tc dose.

1977-05-01

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Optical Science And Engineering: New Directions And Opportunities In Research And Education

The 10.3-h "1"6"5Er, decaying by electron capture to stable "1"6"5Ho, offers an excellent promise for use in diagnostic nuclear medicine, especially in conjuction with multiwire proportional-counter cameras. Using an ultra-high-resolution Si(Li) photon spectrometer, L and K x-ray photon yields in "1"6"5Er decay have been measured. The ratio P/sub L//P/sub K/ of electron-capture probabilities in L and K shells is determined to be 0.196 +- 0.030, in good agreement with theory. Estimates of Auger electron yields and yields of very-low-energy electrons from Coster--Kronig transitions are presented. Levels of "1"6"9Er and "1"7"1Er radioactive impurities in the reactor-produced "1"6"5Er sample are experimentally determined. Whole-body dose estimates for "1"6"5Er are given. These compare favorably with "9"9Tc dose.

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Radiation treatment of medical devices and packaging materials. Pt. 1

... Biomedical Engineering Optical and Photonic Materials and Devices Fundamental Optical Interactions ... of Texas Medical School OPTICAL AND PHOTONIC MATERIALS AND DEVICES Gary Bjorklund, IBM, Chair Nan ...

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Biological effects and physical safety aspects of NMR imaging and in vivo spectroscopy

The first part of the study contains a literature compilation of more than 50 original publications reporting the radiation induced effects in 17 different high polymer materials and glass which are relevant in the manufacturing of medical devices or packing materials. The results collected demonstrate that high energy radiation, i.e. gamma- or X-rays, causes various physical and chemical alterations in high polymer materials. A detailed summary and discussion of the results of the original publications is not included in the present report, it will be presented in the second part of the study. Furthermore, the second part of the study will refer to the aspect of wholesomeness of irradiated medical devices or packing materials in a more general manner of representation. (orig.).

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Sterilization wave of the future: Microwaves

An assessment is made of the biological effects and physical hazards of static and time-varying fields associated with the NMR devices that are being used for clinical imaging and in vivo spectroscopy. A summary is given of the current state of knowledge concerning the mechanisms of interaction and the bioeffects of these fields. Additional topics that are discussed include: (1) physical effects on pacemakers and metallic implants such as aneurysm clips, (2) human health studies related to the effects of exposure to nonionizing electromagnetic radiation, and (3) extant guidelines for limiting exposure of patients and medical personnel to the fields produced by NMR devices. On the basis of information available at the present time, it is concluded that the fields associated with the current generation of NMR devices do not pose a significant health risk in themselves. However, rigorous guidelines must be ...

1985-08-01

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Review of Reported Clinical Information System Adverse Events in US Food and Drug Administration Databases

Every cook knows that microwaves and metal don't mix. But scientists at the National Institute of Standards have devised a way to make them compatible. If it all pans out, hospitals may be able to sterilize medical instruments and waste in a device similar to a conventional microwave oven.

1989-11-05

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Regulatory compliance | Mott MacDonald

SummaryBackgroundThe US FDA has been collecting information on medical devices involved in significant adverse advents since 1984. These reports have...Full Text Available

2011-01-01

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Patient-specific reconstructed anatomies and computer simulations are fundamental for selecting medical device treatment: application to a new percutaneous pulmonary valve

...broad range of experience in designing and building research and development laboratories for products such as vaccines, blood and sera, biological products, medical devices, solid dosage forms , highly potent products and cytotoxic material. We also have experience in a range of modular laboratories for TSE research, ...

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Enhanced Biocompatibility of Porous Nitinol

Nowadays, percutaneous pulmonary valve implantation is a successful alternative to surgery for patients requiring treatment of pulmonary valve dysfunction. However, owing to the wide variety of implantation...Full Text Available

2010-06-28

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Complications of NewColorIris implantation in phakic eyes: a review

Porous Nitinol (PNT) has found vast applications in the medical industry as interbody fusion devices, synthetic bone grafts, etc. However, the tendency of the PNT to corrode is anticipated to...Full Text Available

2009-08-01

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A rare case of neuroleptic malignant syndrome presenting with serious hyperthermia treated with a non-invasive cooling device: a case report

Purpose:To provide a literature review of implant related complications from bilateral NewColorIris implantation (Kahn Medical Devices, Panama City, Panama).Methods:A...Full Text Available

2011-01-01

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The Protective Effect of Antioxidants on Oxidative Stress in Rats Exposed to the 950 MHz Electromagnetic Field

IntroductionA rare side effect of antipsychotic medication is neuroleptic malignant syndrome, mainly characterized by hyperthermia, altered mental state, haemodynamic dysregulation,...Full Text Available

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Safety, Efficacy, and Performance of Implanted Recycled Cardiac Rhythm Management (CRM) Devices in Underprivileged Patients

Studies have linked cell phone radiation to health problems such as headaches, high blood pressure, cancer and more. There is a latency period for most diseases and it may take years and more studies before the required weight of evidence is established. But the effects are cumulative and precautions should be taken now before it is too late. The aim of the present study was to investigate if supplementation with antioxidants would protect heart and liver tissues from harmful radiation emitted by cell phone. Thirty two male albino rats were randomly divided into four equal groups: I- Control, II- Antioxidants treated group, III- 950 MHz EMR, IV- 950 MHz EMR + antioxidants. A 950 MHz EMR radiation (217-Hz pulse rate, 2-W maximum peak power, SAR Specific Absorption Rate"1.6 W/Kg) was applied to groups III and IV 60 min/day, for 30 days using an experimental exposure device. Antioxidants supplement (Vitamins A, E and C + Se) ...

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British Library Electronic Table of Contents (United Kingdom)

Introduction: Patients in underdeveloped nations have limited access to life-saving medical technology including cardiac rhythm management (CRM) devices. We evaluated alternative means to provide such technology to this patient population while assessing the safety and efficacy of such a practice. Methods: Patients in the United States with clinical indications for extraction of CRM devices were consented. Antemortem CRM devices were cleaned and sterilized following a protocol established at our institution. Surveillance in vitro cultures were performed for quality assurance. The functional status of pulse generators was tested with a pacing system analyzer to confirm at least 70% battery life. Most generators were transported, in person, to an implanting institution in Nicaragua. Recipien...

2011-01-01

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Some medical applications of thermomechanically treated titanium nickelide

Method and system for determining depth distribution of radiation-emitting material located in a source medium and radiation detector system for use therein

An original device and a method of its application for restoring of the function of relatively incompetent valves (both patented) are elaborated. Application of the new device allows to lower the difficulty of surgical treatment, to decrease the duration of operation and post-operative period. The long-term results of six-year long experience of its application are presented. The patients examination after 2,5-3,0-year post-operation period shows perfect vein valve correction. A device for stone extraction from tubular organs (patented) fabricated with titanium nickelide superelastic alloy is presented. The new suggested design is free of the drawback inherent in the previous one. The working element of the device is formed as a truncated cone or a truncated cone coaxial with the cylinder (the previous design was formed as a full cone) that prevents overstraining and residual strain accumulation during ...

2001-11-01

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An overview of the medical informatics curriculum in medical schools.

A method, system and a radiation detector system for use therein are provided for determining the depth distribution of radiation-emitting material distributed in a source medium, such as a contaminated field, without the need to take samples, such as extensive soil samples, to determine the depth distribution. The system includes a portable detector assembly with an x-ray or gamma-ray detector having a detector axis for detecting the emitted radiation. The radiation may be naturally-emitted by the material, such as gamma-ray-emitting radionuclides, or emitted when the material is struck by other radiation. The assembly also includes a hollow collimator in which the detector is positioned. The collimator causes the emitted radiation to bend toward the detector as rays parallel to the detector axis of the detector. The collimator may be a hollow cylinder positioned so that its central axis is perpendicular to the upper surface of the large area source when ...

2003-03-04

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Intensification of Harmonic Spontaneous Radiation with a Novel Undulator

As medical schools incorporate medical informatics into their curriculum the problems of implementation arise. Because there are no standards regarding a medical informatics curriculum, medical schools...Full Text Available

1998-01-01

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The effects of cosmic radiation on implantable medical devices

We have calculated the on-axis spectrum of spontaneous radiation emitted by an electron moving along a planar undulator that has a magnetic profile along the axis that approximates a square wave. (This could be obtained in practice by driving a ferromagnetic undulator into saturation by excessive current in the windings.) We find considerable enhancement of the harmonic radiation spectrum. We compare the harmonic power emitted by an electron moving through an undulator having a sine-wave field profile with the radiation emitted from an undulator having a square-wave profile; the latter is approximated by the first three Fourier components of the undulator magnetic field profile along the axial direction. Examples are computed for 40MeV electrons taking K < 1, for spontaneous radiation emitted along the axis of the system. The emission at harmonics f > 1 is ...

1998-11-01

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Phthalate esters used as plasticizers in packed red blood cell storage bags may lead to progressive toxin exposure and the release of pro-inflammatory cytokines

Metal oxide semiconductor (MOS) integrated circuits, with the benefits of low power consumption, represent the state of the art technology for implantable medical devices. Three significant sources of radiation are classified as having the ability to damage or alter the behavior of implantable electronics; Secondary neutron cosmic radiation, alpha particle radiation from the device packaging and therapeutic doses(up to 70 G{gamma}) of high energy radiation used in radiation oncology. The effects of alpha particle radiation from the packaging may be eliminated by the use of polyimide or silicone rubber die coatings. The relatively low incidence of therapeutic radiation incident on an implantable device and the use of die coating leaves cosmic radiation induced secondary neutron single event upset (SEU) as the main pervasive ionising radiation threat to the reliability of implantable ...

1996-12-31

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Tachyons and the radiation of an accelerated charge

Phthalate esters (PE's) are plasticizers used to soften PVC-based medical devices. PE's are the most abundant man-made pollutants and increase the risk of developing an allergic respiratory disease...Full Text Available

2009-07-01

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Sources of X-rays in school; Zrodla promieniowania rentgenowskiego w szkole

The motion of an accelerated charge in a vacuum is analyzed, via the superposition principle and Fourier analysis, into uniform-motion components, which include bradyonic as well as tachyonic contributions. It is shown that the former contribute only to the induction fields whereas the latter are the source of the radiation emitted by the charge, via the Sommerfeld-Cerenkov mechanism. This result calls for a reexamination of some recently formulated theories of superluminal particles.

1982-10-15

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Surgical navigation using audio feedback.

Exposure of teachers of physics to X-radiation emitted by instruments which are used for demonstrating rarefied gas discharges during physics lessons at secondary schools is discussed. The measurements performed provide an explicit evidence that an effective, annual exposure dose under the most unfavorable conditions does not exceed admissible levels according to Polish regulations pertaining to persons non-occupationally exposed to ionizing radiation. (author). 3 refs,1 fig.

1996-12-31

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Bacterial adhesion reduction on a biocompatible Si^+ ion implanted austenitic stainless steel

Current medical visualization technology intended for positional guidance in surgical applications may only ever have limited utility in the operating room due to the preexisting visual requirements of surgical practice. Additionally, visual systems impose limits as a result of their high latency, poor image resolution, problems with stereopsis and physical strain upon the user. Audio technology is relatively unexamined in the broad range of available methodologies for medical devices. The potential to translate surgical instrument position into audio feedback presents a novel solution to the human factors and engineering problems faced by visual display technology because audio technology employs a rich and as yet unburdened sensory modality. We describe an experimental system we have developed for investigating this new interface design approach using commercially available hardware. PMID:10173065

1997-01-01

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British Library Electronic Table of Contents (United Kingdom)

The colonization of an implant surface by bacteria is an extremely important medical problem, which often leads to the failure of medical devices. Modern surface modification techniques, such as ion implantation, can confer to the surfaces very different properties from those of the bulk underlying material. In this work, austenitic stainless steel 316 LVM has been superficially modified by Si^+ ion implantation. The effect of surface modification on the biocompatibility and bacterial adhesion to 316 LVM stainless steel has been investigated. To this aim, human mesenchymal stem cells (hMSCs), as precursor of osteoblastic cells, and bacterial strains relevant in infections related to orthopedic implants, i.e., Staphylococcus aureus and Staphylococcus epidermidis, have been assayed. For the ...

2011-01-01

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Effectiveness of different music-playing devices for reducing preoperative anxiety: A clinical control study

British Library Electronic Table of Contents (United Kingdom)

Background: While waiting for surgery, patients often exhibit fear and anxiety. Music is thought to be an alternative to medication to relieve anxiety. However, due to concerns about infection control, devices other than headphones may be considered for this purpose. Objectives: The purpose of this study was to determine the anxiety-relieving effect of broadcast versus headphone music playing for patients awaiting surgery. Design: A randomized controlled clinical study. Setting: The waiting area of an operating theater of a metropolitan teach hospital in Taiwan. Participants: Alert adult with age between 20 and 65 years old waiting for surgery without premedications. Methods: A total of 167 patients were randomly assigned to the headphone, broadcast and control groups. Both the headphone a...

2011-01-01

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[Effects of 50 to 60 Hz and of 20 to 50 kHz magnetic fields on the operation of implanted cardiac pacemakers].

Humanities for medical students? A qualitative study of a medical humanities curriculum in a medical school program

The effect of 50 Hz and 60 Hz (frequencies of current distribution) and 20 kHz to 50 kHz (frequencies of induction cooktop) magnetic interference on implanted pacemakers have been assessed with the present generation of device technology. Sixty patients implanted in 1998 and 1999 with dual chamber pacemakers from 9 different manufacturers were monitored with telemetry while passing through, and standing between a system of two coils. They generated a 50 Hz or a 60 Hz magnetic field at 50 microT. Then, patients used a cooktop at different power. The recordings were made with the standard setting of "medically correct" sensing parameters chosen for the patients. Then pacemakers were reprogrammed to the unipolar mode, with the highest atrial (A) and ventricular (V) sensitivity that did not induce muscular inhibition while moving. Between each exposure (50 Hz, 60 Hz or 20 kHz to 50 kHz), the pacemaker programmation was controlled. At the end of the ...

2003-04-01

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Lesion of the esophagus by tetracycline medication

BackgroundToday, there is a trend towards establishing the medical humanities as a component of medical education. However, medical humanities programs that exist within the context...Full Text Available

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Medical experience: Chernobyl and other accidents

One case of esophagitis caused by oral medication of Tetracycline is reported. The cause and factors predisposing to this uncommon complication of oral medication are discussed.

1984-06-01

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Intensification of harmonic spontaneous radiation with a novel undulator

Short communication.

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Spontaneous radiation of an electron beam in a free-electron laser with a quadrupole wiggler

We have calculated the on-axis spectrum of spontaneous radiation emitted by an electron moving along a planar undulator that has a magnetic profile along the axis that approximates a square wave. (This could be obtained in practice by driving a ferromagnetic undulator into saturation by excessivecurrent in the windings.) We find considerable enhancement of the harmonic radiation spectrum. We compare the harmonic power emitted by an electron moving through an undulator having a sine-wave field profile with the radiation emitted from an undulator having a square-wave profile; the latter is approximated by the first three Fourier components of the undulator magnetic field profile along the axial direction. Examples are computed for 40MeV electrons taking K1 is greatly enhanced for the approximate square-wave magnetic profile: the ratio of the power emitted at f=5 by the square-wave undulator to that of the ...

1999-07-01

36

Radiation-stimulated diffusion of aerosols

A calculation is presented of spontaneous radiation emitted by an electron beam passing through a continuously rotating quadrupole magnetic undulator. It is shown that radiation spectrum emitted in forward direction of beam propagation has four peaks, corresponding to four betatron frequencies. Utilizing the Madey theorem, a stimulated emission is calculated and presented as gain versus frequency curves, for different values of the quadrupole magnetic field. A free-electron laser operating at two or three radiation frequencies with a quadrupole magnetic wiggler is suggested.

1986-09-01

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Forward directed Smith-Purcell radiation from relativistic electrons

The diffusion coefficient of particles in radioactive gases has been calculated with account of random wandering of aerosols (occurrence of local fields affecting the particles; recoils accompanying radiation emitted by particles, etc.). To determine the diffusion coefficient, the method of Fokker-Planck equation derivation was used. A formula is presented for calculating the radiation-stimulated diffusion coefficient. A linear growth of the diffusion coefficient with radioactivity is noted according to the formula, the diffusion coefficient is mainly determined by the field in the radiation damage region. The aerosol radioactivity may result in a more rapid deposition of aerosols in the pipelines and aerosol purification systems. The diffusion rate grows not only in the presence of intrinsic radioactivity but in case of external radiation exposure as well.

1984-04-01

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Titanium Alloys for Medical Instrumentation

The requirements for the generation of forward directed Smith-Purcell emission from relativistic electrons are introduced, and the first experimental evidence of this phenomenon is presented. The experiments were conducted with a 2.8 MeV/c electron beam interacting with a 1 cm period grating. Radiation emitted in two bands with wavelengths ranging from 600 to 650 #mu#m and 1.2 to 1.7 mm were measured. Grating period to wavelength ratios were as high as 16. The measured intensities are higher than that predicted by incoherent emission.

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International Science & Technology Center (ISTC)

The New Titanium Alloys With Increased Mechanical Properties and Corrosion Resistance for Medical Instruments and their Coatings

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RF System for Compact Medical Proton Synchrotron

Alternative Technologies for Medical Radionuclide Production

RF System for Compact Medical Proton Synchrotron

2004-01-01

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International Science & Technology Center (ISTC)

Creation of Economic Alternative Technologies for Radionuclide Production for Medical Diagnostics and Therapy

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The tactical use of constraints and structure in diagnostic problem solving

British Library Electronic Table of Contents (United Kingdom)

This paper presents a prescriptive account of diagnostic problem solving, or diagnosis, in quality and process control. This paper identifies a general strategy, named branch-and-prune, whose manifestations can be found in disciplines such as medical diagnosis, troubleshooting of devices, and model-based diagnosis in artificial intelligence. The work aims to offer a clear conceptualization of this strategy, based on the notions of structures for the search space, and constraints to the cause's nature.The idea is to treat the search space of candidate explanations as a tree structure, in which general and high-level causal directions are branched into more specific and detailed explanations. Constraints eliminate all but a few branches (pruning), which are explored in more detail. We enumer...

2011-01-01

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Radiation treatment for sterilization of packaging materials

PREVENTION OF INFECTION IN PATIENTS WITH CHRONIC KIDNEY DISEASE PART III: SURVEILLANCE AND AUDITING IN A RENAL CARE ENVIRONMENT

Treatment with gamma and electron radiation is becoming a common process for the sterilization of packages, mostly made of natural or synthetic plastics, used in the aseptic processing of foods and pharmaceuticals. The effect of irradiation on these materials is crucial for packaging engineering to understand the effects of these new treatments. Packaging material may be irradiated either prior to or after filling. The irradiation prior to filling is usually chosen for dairy products, processed food, beverages, pharmaceutical, and medical device industries in the United States, Europe, and Canada. Radiation effects on packaging material properties still need further investigation. This paper summarizes the work done by different groups and discusses recent developments in regulations and testing procedures in the field of packaging technology.

2007-08-01

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British Library Electronic Table of Contents (United Kingdom)

Summary This third paper, in a three-part CE series on the preventions of infection in patients with chronic kidney disease, focuses on surveillance and auditing of healthcare-associated infections within the renal care environment. The last decade has seen an increased awareness of the threat to patient safety from healthcare-associated infection (HCAI) and the emergence of multi-drug resistance organisms. Effective HCAI prevention strategies include adequate governance structures, access to expert advice, adherence to standard and transmission-based precautions, minimising the use of invasive medical devices, and surveillance. Surveillance data can be collected using outcome (e.g. infection) and/or process (e.g. hand hygiene compliance audit) measures. Establishing a surveillance program...

2011-01-01

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What is a medical experiment?

Update on Medications With Adverse Skeletal Effects

Innovative therapy may appear to coincide with medical experimentation, raising ethical and legal issues, for instance on informed consent and institutional review. Medical treatments may be classified,...Full Text Available

1975-10-04

46

[Urine test strip for the primary self-medication].

Patients rely on their primary care physician to manage multiple, often chronic medical conditions that require prescription medications. Balancing the risk to benefit of treatments can be challenging...Full Text Available

2011-04-01

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[International legal aspects of rendering medical care at sea].

PMID:17477142

2007-01-31

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Monitoring station for medical effects of exposure during radiation accidents

PMID:3176400

1988-06-01

49

Synchrotron radiation from electron beams in plasma-focusing channels.

Short communication.

1995-04-06

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Spontaneous radiation from relativistic electrons in a taper undulator. Technical report

Spontaneous radiation emitted from relativistic electrons undergoing betatron motion in a plasma-focusing channel is analyzed, and applications to plasma wake-field accelerator experiments and to the ion-channel laser (ICL) are discussed. Important similarities and differences between a free electron laser (FEL) and an ICL are delineated. It is shown that the frequency of spontaneous radiation is a strong function of the betatron strength parameter a(beta), which plays a role similar to that of the wiggler strength parameter in a conventional FEL. For a(beta) > or approximately 1, radiation is emitted in numerous harmonics. Furthermore, a(beta) is proportional to the amplitude of the betatron orbit, which varies for every electron in the beam. The radiation spectrum emitted from an electron beam is calculated by averaging the single-electron spectrum over the electron distribution. This leads to a frequency broadening of the radiation ...

2002-05-20

51

Radioactive decay data tables

The spectrum, angular distribution, polarization and coherence properties of the radiation emitted by relativistic electrons undulating through a quasiperiodic tapered magnetic field are studied. Tapering the wavelength and/or field strength along the undulator's axis has the effect of spreading the spectral line to higher frequencies; interference over this broader spectral range results in a more complex line shape. The angular dependence, on the other hand, is not affected by the amount of taper. The polarization of the radiation in the forward direction is determined by the transverse polarization of the undulator, but the polarization changes off axis. The radiation patterns predicted here are distinct from those of untapered undulators, and their detection is now feasible. They will provide useful diagnostics of electron trajectories and threshold behavior in free-electron-laser oscillators using tapered undulators.

1983-06-01

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Identification of oxidation states of ultra-trace elements by radiation detection

The estimation of radiation dose to man from either external or internal exposure to radionuclides requires a knowledge of the energies and intensities of the atomic and nuclear radiations emitted during the radioactive decay process. The availability of evaluated decay data for the large number of radionuclides of interest is thus of fundamental importance for radiation dosimetry. This handbook contains a compilation of decay data for approximately 500 radionuclides. These data constitute an evaluated data file constructed for use in the radiological assessment activities of the Technology Assessments Section of the Health and Safety Research Division at Oak Ridge National Laboratory. The radionuclides selected for this handbook include those occurring naturally in the environment, those of potential importance in routine or accidental releases from the nuclear fuel cycle, those of current interest in nuclear medicine and fusion reactor ...

1981-01-01

53

Coherent Smith-Purcell radiation in the far-infrared region from a short-bunched electron beam

The determination of the oxidation state of ultra-trace elements in the environment, especially in the case of actinides, is of importance in many ways. Speciation techniques using radiation may comprise methods based on the detection of the nuclear and atomic radiations emitted in radioactive decay or methods using external sources of excitation. In the former instance, information can be obtained from the energy and intensity of radiation, but at present the partition method is still the most commonly used, although its reliability is questionable. Excitation with intense laser beams, as is currently being used for trace element analysis in photoacoustic and thermal lensing spectroscopic techniques, could conceivably be applied under suitable conditions to ultra-trace elements with a sensitivity approaching that of the radiochemical methods.

1989-11-01

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Close binaries containing Supermassive Black Holes

Coherent Smith-Purcell radiation, emitted from short-bunched electrons passing by a lamellar-type grating of aluminum, has been observed in the millimeter wave region. The energy of the electrons is either 42 MeV when they are accelerated by an L-band linear accelerator or 150 MeV accelerated by an S-band one. The intensity of the radiation is proportional to the square of the beam current. The radiation is linearly polarized, and the electric vector of the radiation is in the plane defined by the observing point and the beam trajectory. The intensity decreases with the beam height, i.e. the distance of the beam from the surface of the grating, in accordance with the modified Bessel function of zeroth order. copyright 1996 American Institute of Physics.

1995-09-28

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British Library Electronic Table of Contents (United Kingdom)

We consider the evolution of binary systems formed by a Supermassive Black Hole (SMBH) residing in the center of a galaxy or a globular cluster and a star in its immediate vicinity. The star is assumed to fill its Roche lobe, and the SMBH accretes primarily the matter of this star. The evolution of such a system is mainly determined by the same processes as for an ordinary binary. The main differences are that the donor star is irradiated by hard radiation emitted during accretion onto the SMBH; in a detached system, nearly all the donor wind is captured by the black hole, which strongly affects the evolution of the semi-major axis; it is not possible for companions of the most massive SMBHs to fill their Roche lobes, since the corresponding orbital separations are smaller than the radius ...

2010-01-01

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METHOD AND DEVICE FOR PROCESSING SAMPLE

MAGNETIC RESONANCE IMAGING DEVICE

Full Text Available

2004-11-29

57

DISPOSING DEVICE FOR WASTE

Full Text Available

2010-08-31

58

BRAKE DEVICE FOR ROLLING STOCK

Full Text Available

2005-12-19

59

Risks and safety aspects related to PET/MR examinations

Full Text Available

2007-11-22

60

Physics through the 1990s: scientific interfaces and technological applications

The introduction of positron emission tomography (PET)/magnetic resonance (MR) systems into medical practice in the foreseeable future may not only lead to a gain in clinical diagnosis compared to PET/computed tomography (CT) imaging due to the superior soft-tissue contrast of the MR technology but can also substantially reduce exposure of patients to ionizing radiation. On the other hand, there are also risks and health effects associated with the use of diagnostic MR devices that have to be considered carefully. This review article summarizes biophysical and biological aspects, which are of relevance for the assessment of health effects related to the exposure of patients to both ionizing radiation in PET and magnetic and electromagnetic fields in MR. On this basis, some considerations concerning the justification and optimization of PET/MR examinations are presented - as far as this is possible at this very early stage. Current safety ...

2009-03-01

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61

Measurement of dose-area product in diagnostic radiology as a method of assessing the radiation exposure. (Results, experience, proposals for improvement, recommendations relating to radiological protection). Report of an expert meeting

The volume examines the scientific interfaces and technological applications of physics. Twelve areas are dealt with: biological physics--biophysics, the brain, and theoretical biology; the physics-chemistry interface--instrumentation, surfaces, neutron and synchrotron radiation, polymers, organic electronic materials; materials science; geophysics--tectonics, the atmosphere and oceans, planets, drilling and seismic exploration, and remote sensing; computational physics--complex systems and applications in basic research; mathematics--field theory and chaos; microelectronics--integrated circuits, miniaturization, future trends; optical information technologies--fiber optics and photonics; instrumentation; physics applications to energy needs and the environment; national security--devices, weapons, and arms control; medical physics--radiology, ultrasonics, NMR, and photonics. An executive summary and many chapters contain recommendations ...

1986-01-01

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Responding to the Medical Malpractice Insurance Crisis: A National Risk Management Information System

The fundamental recommendations of the ICRP issued in its publication of 1990 stipulate the general principle of performance of dose measurements at regular intervals in the field of diagnostic radiology, for the purpose of equipment performance checking and optimization of radiological protection. In response to this requirement, the Federal Ministry, in cooperation with experts and the competent supervising authorities, has issued an order to install dose-area-product meters in angiographic examination systems, imaging systems and fluoroscopic screen devices primarily used for examining infants and children up to the age of 12. This is done in response to reported cases of adverse effects of radiation exposure and the high priority given to radiological protection in the examination of infants and children. In 1992, an expert group was convened to discuss and elaborate instructions for including dose-area product measurement in the dosimetry activities in ...

63

Prototype Web-based continuing medical education using FlashPix images.

In the process of forming a new medical malpractice reinsurance company, the authors analyzed thousands of medical malpractice cases, settlements, and verdicts. The evidence of those analyses indicated...Full Text Available

1987-11-04

64

Ocular side effects of anti-rheumatic medications: what a rheumatologist should know

Continuing Medical Education (CME) is a requirement among practicing physicians to promote continuous enhancement of clinical knowledge to reflect new developments in medical care. Previous research...Full Text Available

2000-01-01

65

Medical fund took off like a rocket, but will budget bring it down to earth?

Nearly every drug may cause changes to ocular tissues through a variety of mechanisms. Medication overdoses, drug–drug interactions but also chronic administration of medications at...Full Text Available

2010-01-01

66

Impact of Common Medications on Serum Total Prostate-Specific Antigen Levels: Analysis of the National Health and Nutrition Examination Survey

In 18 months the Canadian Medical Discoveries Fund (CMDF) has attracted investments worth $180 million to spend on biotechnology and medical research. Although eight initial investments totalled only...Full Text Available

1996-08-15

67

Extracting medical information from narrative patient records: the case of medication-related information

PurposePrevious studies suggest that some common medications alter prostate-specific antigen (PSA) levels. It remains unclear whether these reported medication effects are due to...Full Text Available

2010-09-01

68

Effect of structured postgraduate medical education on the care of patients with diabetes.

ObjectiveWhile essential for patient care, information related to medication is often written as free text in clinical records and, therefore, difficult to use in computerized systems....Full Text Available

2010-09-01

69

Simulation approaches for nano-scale semiconductor devices

BACKGROUND. Diabetes can be effectively treated and monitored in general practice. Postgraduate medical education at a local level is required to support this strategic shift of medical care from hospital...Full Text Available

1995-03-01

70

World Congress on Medical Physics and Biomedical Engineering, 25/08/2010 September 7 - 12, 2009, Munich, Germany

Simulation approaches for nano-scale semiconductor devices

2004-01-01

71

Transhumanism, medical technology and slippery slopes

World Congress on Medical Physics and Biomedical Engineering, 25/08/2010

2009-01-01

72

In this article, transhumanism is considered to be a quasi‐medical ideology that seeks to promote a variety of therapeutic and human‐enhancing aims. Moderate conceptions are distinguished...Full Text Available

2006-09-01

73

Nemours Foundation

Medical Conditions of Nursing Home Admissions

... Harbor Township Vineland Voorhees Pediatric Partner Hospitals AtlantiCare Regional Medical Center- City Campus, Atlantic City AtlantiCare Regional Medical Center - ...

74

Laparoscopic Adrenalectomy

BackgroundAs long-term nursing home care is likely to increase with the aging of the population, identifying chronic medical conditions is of particular interest. Although need factors...Full Text Available

75

HbA1c: MedlinePlus Medical Encyclopedia

... an endocrinologist here and am part of the Diabetes and Endocrinology Associates here at Shawnee Mission Medical ... also an endocrinologist and a member of the Diabetes and Endocrinology Associates here at Shawnee Mission Medical ...

76

FIVE YEAR REPORT ON THE MEDICAL FOLLOW UP OF MARSHALLESE RECEIVING SPECIAL MEDICAL CARE RELATED TO 1954 BRAVO FALLOUT RADIATION (JANUARY 1992-1996).

MD, Chief, Division of Endocrinology, Diabetes and Metabolism, Trinitas Regional Medical Center, Elizabeth, NJ. Review provided by VeriMed Healthcare Network. Also reviewed...

2011-08-30

77

Distributed Computer Networks in Support of Complex Group Practices

No abstract prepared.

1999-06-01

78

Cultures of Death and Politics of Corpse Supply

The economics of medical computer networks are presented in context with the patient care and administrative goals of medical networks. Design alternatives and network topologies are discussed with...Full Text Available

1978-11-09

79

A novel procedure for assessing the effects of drugs on satiation in baboons: effects of memantine and dexfenfluramine

SummaryNineteenth-century Vienna is well known to medical historians as a leading centre of medical research and education, offering easy access to patients and corpses to students...Full Text Available

2008-01-01

80

A New Model for the Organizational Structure of Medical Record Departments in Hospitals in Iran

RationaleProcedures for studying the effects of medications on satiation will assist the development of obesity medications.ObjectivesFull Text Available

2008-09-01

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81

A spatial sensitivity analysis technique for neutron and gamma-ray measurements

The organizational structure of medical record departments in Iran is not appropriate for the efficient management of healthcare information. In addition, there is no strong information management division...Full Text Available

82

Synchrotron Self-Compton Analysis of TeV X-ray Selected BL Lacertae Objects

In the fields of medical imaging, geophysical well logging, and industrial radiography, it is often of interest to characterize the spatially distributed sensitivities of neutron and gamma-ray measurement devices to the physical properties of the materials being examined. For instance, one may wish to know how the count rate in a detector varies in response to small changes in the local density of the irradiated object as a function of position. Experimental determination of such sensitivity functions is often impractical. Consequently, we have developed a general three-dimensional Monte Carlo numerical technique that allows us to directly compute the differential sensitivity of an arbitrary integral response parameter, such as a time- or energy-discriminated count rate, with respect to the spatial distribution of macroscopic cross sections and sources in the irradiated medium. Sensitivities to object density, porosity, etc., can easily be ...

1992-09-08

83

Optimisation of solar-heated cavity receivers with paraboloid collectors. Optimierung von solar beheizten Hohlraumstrahlungsempfaengern mit Paraboloidkollektoren

We introduce a methodology for analysis of multiwavelength data from X-ray selected BL Lac (XBL) objects detected in the TeV regime. By assuming that the radio--through--X-ray flux from XBLs is nonthermal synchrotron radiation emitted by isotropically-distributed electrons in the randomly oriented magnetic field of a relativistic blazar jet, we obtain the electron spectrum. This spectrum is then used to deduce the synchrotron self-Compton (SSC) spectrum as a function of the Doppler factor, magnetic field, and variability timescale. The variability timescale is used to infer the comoving blob radius from light travel-time arguments, leaving only two parameters. With this approach, we accurately simulate the synchrotron and SSC spectrum of flaring XBLs in the Thomson through Klein-Nishina regimes. Photoabsorption by interactions with internal jet radiation and the intergalactic background light (IBL) is included. Doppler factors, magnetic fields, ...

2008-01-01

84

Fully quantized many-particle theory of a free-electron laser

The authors investigate the optimisation of solar-heated cavity receivers in which solar energy collected by a paraboloid collector is converted into electrical energy. The focussed solar energy enters the receiver through an aperture to heat the working fluid, which flows inside the receiver tubes and is compressed by the compressor of a gas turbine system, to the highest process temperature. A method of calculating the distribution on the inner receiver surfaces of the solar radiation reflected by the paraboloid collector is presented to begin with. The interchange of radiant energy inside the receiver cavity can be calculated on this basis, including the radiation loads, the temperatures of the inner receiver walls, and the radiative and convective losses. The temperature fields in the tube walls must be known for determining the strength required of receiver tubes; they can be derived from the useful heat which comprises a directed component directly reflected by the paraboloid and ...

1984-01-01

85

Space Biology and Medicine

A fully quantized many-particle theory of the standard free-electron laser in the small-signal, cold-beam regime is presented. The approach is based on an evaluation of the time-evolution operator in the interaction picture to first order in the quantum-mechanical recoil. For algebraic convenience we use the moving (Bambini-Renieri) frame, in which resonance occurs for zero electron momentum. Though we neglect space-charge effects, genuine many-particle contributions still show up, because the radiation emitted by one electron can be amplified by another electron. Our main results are gross features of the amplification, such as gain and spread, are virtually without many-particle effects. These effects are mainly important in the case of spontaneous emission. For a sufficiently high current, the buildup of the laser field from vacuum is enhanced by amplified spontaneous emission. Incoherence of the spontaneous radiation from several electrons ...

1983-02-01

86

Modified Helium microwave-induced plasma discharge chamber

Volume IV is devoted to examining the medical and associated organizational measures used to

2004-01-01

87

Health physics, safety and medical services report for 1989

... Mohamed, MM Medical Research Institute (Egypt) Ghatass, ZF Institute of

1999-04-01

88

Characterization of medical piezoelectric ultrasound transducers using pulse echo methods.

The Health Physics, Safety and Medical Services Report for Harwell Laboratory for 1989 includes data on the monitoring of the working environment, personnel monitoring, radiological incidents, disposal of radioactive waste and protection of the public. Work on emergency planning, non-radiological health and safety, occupational hygiene, operations support is also discussed. Finally the medical services available and the medical examinations performed are described. (UK).

1990-09-01

89

Norwegian Open Research Archives (NORA)

Full Text Available

90

A medication-estimated health status measure for predicting primary care visits: the Long-Term Therapeutic Groups Index.

Limitations of silicon devices for quantum computing

PMID:19923207

2009-11-18

91

DoseWatchers - A computer based X ray dose monitoring project in paediatric radiology

There is considerable interest in the use of silicon devices as qubits for quantum computing. The existence of nuclear spin in a silicon isotope and the complex band structure of silicon are unfavourable for this application of silicon devices. (viewpoint)

2004-04-28

92

VIRTUAL REALITY IMAGE DISPLAYING DEVICE

Full text: Introduction. Children, especially premature infants and neonates, are at a much higher risk to obtain an X ray induced disturbance of life - particularly cancer. On the one hand this is due to their longer life expectancy and on the other hand it is due to their higher cell proliferation rate. The paediatric radiology unit of the Inselspital Bern recently installed some of the most advanced X ray equipment nowadays available. It is based on the two latest digital technologies: double read computed radiography (CR) and direct digital radiography (DR). Only the implementation of these digital radiography systems permits the digital acquisition and additionally the analysis of acquired data. The systematic analysis of large amounts of biometric data and exposition data is the basis for further dose reduction and a systematic quality control (QC). Patients are increasingly critical concerning radiation exposure - especially parents regarding their children. Besides an ...

2006-11-13

93

Short-Term Metal/Organic Interface Stability Investigations of Organic Photovoltaic Devices: Preprint

Full Text Available

2009-01-16

94

DEVICE FOR TISSUE CULTURE, PROTEIN EXTRACTION AND PROTEIN CONCENTRATION

This paper addresses one source of degradation in OPV devices: the metal/organic interface. The basic approach was to study the completed device stability vs. the stability of the organic film itself as shown in subsequent devices fabricated from the films.

2008-05-01

95

COLLISION OVERTURNING PREVENTION DEVICE FOR VEHICLE

Full Text Available

2007-12-28

96

AIR BREATHING DEVICE FOR PIPE LINE

Full Text Available

2007-11-02

97

Finite Element Analysis of Magnetoelastic Plate Problems.

Full Text Available

2004-11-29

98

Waveguide device and method for making same

... in the design of such devices as fusion reactors, magnetohydrodynamic generators, magnetically levitated vehicles, magnetic forming devices, and ...

1981-08-01

99

Whipple Procedure for Pancreatic Cancer

A monolithic micromachined waveguide device or devices with low-loss, high-power handling, and near-optical frequency ranges is set forth. The waveguide and integrated devices are capable of transmitting near-optical frequencies due to optical-quality sidewall roughness. The device or devices are fabricated in parallel, may be mass produced using a LIGA manufacturing process, and may include a passive component such as a diplexer and/or an active capping layer capable of particularized signal processing of the waveforms propagated by the waveguide.

2007-08-14

100

Utilization of a Marketing Strategy at Naval Regional Medical Center Great Lakes, Great Lakes, Illinois.

... be able to watch the many intricate steps Dr. Richard Alexander must accomplish to remove the cancer. ... door to informed medical care. Now let's join Dr. Richard Alexander at the University of Maryland Medical ...

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101

Using a Computer to Conduct Utilization and Quality of Care Review in a Prepaid Medical Care Network

The study examines the question of whether or not civilian marketing practices and principles can be applied in the military care setting. Using the NRMC Great Lakes as a basis, the answer is yes--consumers of military medical care are ready to be the rec...

1983-01-01

102

The concept of mental disorder: diagnostic implications of the harmful dysfunction analysis

This paper describes how a computerized MIS is used to assist HMO management to conduct utilization and quality of care review activities in a prepaid medical care network. The HMO is a ‘network’...Full Text Available

1982-11-02

103

The Perceived Care Needs of Breast Cancer Patients in Korea

What do we mean when we say that a mental condition is a medical disorder rather than a normal form of human suffering or a problem in living? The status of psychiatry as a medical discipline depends...Full Text Available

2007-10-01

104

The Medical Library Association: promoting new roles for health information professionals

By analyzing the data of 459 patients who completed the Supportive Care Needs Survey (SCNS), the prevalence, medical and non-medical predictors of unmet needs were investigated. Breast cancer patients...Full Text Available

2006-08-31

105

The Medical Home Concept and Congenital Adrenal Hyperplasia: A Comfortable Habitat!

As the Medical Library Association (MLA) enters its second century, its role in providing leadership and focus for the education of health information professionals in a changing environment will be...Full Text Available

2002-01-01

106

The Effect of Modernising Medical Careers on Foundation Doctor Career Orientation in the Northern Ireland Foundation School

Patient-centered interdisciplinary health care for children with chronic medical disorders represents an evolution from the traditional “stop and go” treatment for acute illnesses. This...Full Text Available

2010-01-01

107

Technical and clinical assessment of oxygen concentrators.

ObjectivesModernising Medical Careers (MMC) emerged in response to acknowledged problems in training in the Senior House Officer grade. The objective of this study was to assess...Full Text Available

2010-05-01

108

Teaching safe and effective prescribing in UK medical schools: a core curriculum for tomorrow's doctors

One membrane oxygen enricher (Oxygen Enrichment Company OE-4E) and four molecular sieve (MS) concentrators (Mountain Medical Econo2, De Vilbiss MINI DeVO2, Cryogenic Roomate III, and Mountain Medical...Full Text Available

1985-11-01

109

Simple fractal method of assessment of histological images for application in medical diagnostics

There is a pressing need for medical graduates to be fully prepared to take on the responsibilities of prescribing and to be able to respond to continual inevitable rapid changes in therapeutics. The...Full Text Available

2003-06-01

110

Self-Medication: Initial Treatments Used by Patients Seen in an Ophthalmologic Emergency Room

We propose new method of assessment of histological images for medical diagnostics. 2-D image is preprocessed to form 1-D landscapes or 1-D signature of the image contour and then their complexity is...Full Text Available

111

Prescribers' Responses to Alerts During Medication Ordering in the Long Term Care Setting

OJECTIVEThis study seeks to identify practices of self-medication in the treatment of ocular emergencies. We examine patients’ use of both homemade preparations and manufactured...Full Text Available

2009-08-01

112

Medical language processing with SGML display.

ObjectiveComputerized physician order entry with clinical decision support has been shown to improve medication safety in adult inpatients, but few data are available regarding its...Full Text Available

2006-07-01

113

Medical disclosure and refugees. Telling bad news to Ethiopian patients.

The paper demonstrates several ways that medical language processing can be combined with emerging display technologies to facilitate the extraction of data from free-text patient documents. The techniques...Full Text Available

1996-01-01

114

Innovation and survival: a case study in planning medical library services.

The strong value in American medical practice placed on the disclosure of terminal illness conflicts with the cultural beliefs of many recent refugees and immigrants to the United States, who often...Full Text Available

1992-09-01

115

Improving Knowledge and Attitudes towards Depression: a controlled trial among Chinese medical students

In the information age, information utilities like libraries are as sensitive to the stresses of change as any other organization. This article is a case study of a small, specialized medical library...Full Text Available

1998-10-01

116

Impact of an Electronic Medical Record on Diabetes Quality of Care

BackgroundEstablishing an evidence-based method of improving knowledge and attitudes concerning depression has been identified as a priority in Chinese medical education. The purpose...Full Text Available

117

Impact of Basic Computerized Prescribing on Outpatient Medication Errors and Adverse Drug Events

PURPOSE This study was designed to evaluate the impact of electronic medical record (EMR) implementation on quality of diabetes care.METHODS We conducted a 5-year longitudinal...Full Text Available

2005-07-01

118

IAIMS at Columbia-Presbyterian Medical Center: accomplishments and challenges.

Few data exist about the impact of computerized prescribing systems on outpatient medication errors (MEs) and adverse drug events (ADEs). We compared the rates of MEs and ADEs in handwritten sites versus...Full Text Available

2002-11-01

119

HIV Medications and Risk for Cardiovascular Disease

The concept of "one-stop information shopping" is becoming a reality at Columbia-Presbyterian Medical Center. Our goal is to provide access from a single workstation to clinical, research, and library...Full Text Available

1992-07-01

120

Evaluation of a filmless radiology pilot--a preliminary report.

... different personal wellness goals for you. HIV Health Management With a good medical team and a desire to reach wellness goals , people with HIV can have a virtually normal lifespan. Take the HIV Wellness Quiz Test your knowledge and find out where you need to learn ...

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121

Evaluating professionalism in medical undergraduates using selected response questions: findings from an item response modelling study

The development of the Multimedia Electronic Medical Record System (MEMRS) promises new opportunities to significantly reduce the routine use of film as the medium for viewing radiological medical images....Full Text Available

2001-01-01

122

Development of an Integrated Medical Record System at a Large Hospital Using COSTAR as a Designing Tool

BackgroundProfessionalism is a difficult construct to define in medical students but aspects of this concept may be important in predicting the risk of postgraduate misconduct. For...Full Text Available

123

Determinants of output in group and solo medical practice.

It is usually very complex to design an Integrated Information System in a hospital that includes both in-patient and out-patient medical care data. The difficulty appears because each department...Full Text Available

1982-11-02

124

Comparison of knowledge scores of medical students in problem-based learning and traditional curriculum on public health topics

Certain structural and environmental factors other than technical combination of resources and firm size are hypothesized to affect medical practice output. Four groups of variables related to physician...Full Text Available

1976-01-01

125

Cognitive Expertise, Emotional Development and Reflective Capacity: Clinical Skills for Improved Pain Care

BackgroundThe purpose of the study was to compare the knowledge scores of medical students in Problem-based Learning and traditional curriculum on public health topics.Full Text Available

126

Clinical pathology accreditation: standards for the medical laboratory

The overarching goal of medical training is to nurture the growth of knowledgeable, caring and insightful clinicians guided by the ideals of medical professionalism. Recent definitions of professional...Full Text Available

2008-11-01

127

An 802.11 Wireless Blood Pulse-Oximetry System for Medical Response to Disasters

This article describes a new set of revised standards for the medical laboratory, which have been produced by Clinical Pathology Accreditation (UK) Ltd (CPA). The original standards have been in use...Full Text Available

2002-10-01

128

Acetylsalicylic acid as soluble tablets

In a mass casualty situation, medical personnel at the disaster site and other field treatment settings may need to monitor the vital signs of hundreds of seriously injured patients with minimal staffing....Full Text Available

2005-01-01

129

International Science & Technology Center (ISTC)

Realization of Pharmacological Tests, Development of the Specifications and Technical Documentation and Registration in the Russian Federation of Medical Products as Soluble Tablets of Acetylsalicylic Acid/Calcium Carbonate in Two Dosages Intended for use as Medical Products Smoothing, Febrifugal and Antiaggregation Action and Development of Technology of Tableting the Above-Stated Preparations

130

A survey of community members' perceptions of medical errors in Oman

[Sales tax management of additional work in medical technology of third parties for expert testimony for the Federal Insurance Institute for Employees by the principal expert].

BackgroundErrors have been the concern of providers and consumers of health care services. However, consumers' perception of medical errors in developing countries is rarely explored....Full Text Available

131

The preparation of carrier-free "2"0"3Pb for medical use

PMID:5985543

1966-07-01

132

Radiobiological evaluation of efficiency-risk relationships of the pelviogram in medical check-up of sports

... bismuth 203 chemical reactions cyclotrons decay helium 3 beams impurities

133

NATO: US Assistance to the Partnership for Peace

... body body areas diagnostic techniques hazards health hazards mammals

1984-01-16

134

Mental Health and Resilience: Soldiers' Perceptions about ...

... military medical education, environmental security activities, and provides e-mail capabilities and other basic information management capabilities. ...

2001-07-01

135

Medical Isotope Production in the Fast Flux Test Facility and the High Flux Isotope Reactor and Isotope Production Software Users Guides

... Title : Mental Health and Resilience: Soldiers' Perceptions about Psychotherapy, Medications, and Barriers to Care in the United States Military. ...

2010-10-01

136

Conceptual design of a compact medical synchrotron with a hybrid magnet

No abstract prepared.

2000-08-23

137

Chromosomal damage in human lymphocytes from radio-isotope therapy

English 2001 p. 178 China Iwashita, Y. Kumada, M. National Institute

2001-09-17

138

Cerebral artery replacement by use of arterial graft irradiated with high voltage cathode ray

(Dec 1973). United Kingdom Stevenson, AC Medical Research Council, Oxford

139

A Medical Integration Framework based on XML for efficient exchange and sharing of Electronic Health Record using HL7

Japanese (Sep 1974). Japan Kudo, Susumu . Kansai Medical School,

1974-01-01

140

Radiation accidents with multi-organ failure in the United States.

Full Text Available

2002-10-01

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141

Medical explorations by radioisotopes in Lebanon

Only a small number of radiation accidents in the United States have been severe enough to result in multi-organ failure (MOF). Medical details of selected medical misadministration and criticality cases are reviewed, with an emphasis on pathophysiology. The four criticality cases are particularly relevant for analysis of MOF, since medical treatment was supportive and did not appreciably alter the clinical evolution of radiation injury. PMID:15975871

2005-01-01

142

Introduction to the special issue on decision support in medicine

This study mainly concerns medical explorations by radioisotopes. Detectors with medical exams and applications are described. Ionisation chambers, semiconductor detectors and scintillation counters are also presented. Uses of radioisotopes in medicine in vivo and in vitro techniques are explained. Examples of scintiscanning are given like: angiography, nuclear cardiography and thyroid scintiscanning. The importance of the study is to present a panorama of nuclear medicine laboratories -at the time- in hospitals in Lebanon.

143

British Library Electronic Table of Contents (United Kingdom)

Information technology plays an important role in medicine because of the advanced decision support systems (DSS) it can provide. We provide an overview of the building blocks necessary for a medical decision support system and introduce seven research articles in this special issue that describe the development and evaluation of individual medical DSS building blocks or complete medical DSS.

2007-01-01

144

The importance and unique aspects of radiation protection in medicine

British Library Electronic Table of Contents (United Kingdom)

Radiation protection in medicine has unique aspects and is an essential element of medical practice. Medical uses of radiation occur throughout the world, from large cities to rural clinics. It has been estimated that the number of medical procedures using radiation grew from about 1.7 billion in 1980 to almost 4 billion in 2007. In spite of these large numbers, there are many parts of the world without adequate equipment, where the ability to perform additional medical procedures would likely result in a net benefit. Medicine accounts for more than 99.9% of the per caput effective dose from man-made sources. The goal in medical exposure is not to give the lowest dose, but to provide the correct dose to enable the practitioner to make the diagnosis or cure a tumour. Too little or too much ...

2010-01-01

145

The WHO patient safety curriculum guide for medical schools.

Republished paper: The WHO patient safety curriculum guide for medical schools.

BACKGROUND: The urgent need for patient safety education for healthcare students has been recognised by many accreditation bodies, but to date there has been sporadic attention to undergraduate/graduate medical programmes. Medical students themselves have identified quality and safety of care as an important area of instruction; as future doctors and healthcare leaders, they must be prepared to practise safe healthcare. Medical education has yet to fully embrace patient safety concepts and principles into existing medical curricula. Universities are continuing to produce graduate doctors lacking in the patient safety knowledge, skills and behaviours thought necessary to deliver safe care. A significant challenge is that patient safety is still a relatively new concept and area of study; thus, many medical educators are unfamiliar with the literature and unsure how to integrate ...

2010-12-01

146

Status of the WAND (Waste Assay for Nonradioactive Disposal) project as of July 1997

BACKGROUND: The urgent need for patient safety education for healthcare students has been recognised by many accreditation bodies, but to date there has been sporadic attention to undergraduate/graduate medical programmes. Medical students themselves have identified quality and safety of care as an important area of instruction; as future doctors and healthcare leaders, they must be prepared to practise safe healthcare. Medical education has yet to fully embrace patient safety concepts and principles into existing medical curricula. Universities are continuing to produce graduate doctors lacking in the patient safety knowledge, skills and behaviours thought necessary to deliver safe care. A significant challenge is that patient safety is still a relatively new concept and area of study; thus, many medical educators are unfamiliar with the literature and unsure how to integrate ...

2011-04-01

147

Simple device for scanning image

The WAND (Waste Assay for Nonradioactive Disposal) system can scan thought-to-be-clean, low-density waste (mostly paper and plastics) to determine whether the levels of any contaminant radioactivity are low enough to justify their disposal in normal public landfills or similar facilities. Such a screening would allow probably at least half of the large volume of low-density waste now buried at high cost in LANL`s Rad Waste Landfill (Area G at Technical Area 54) to be disposed of elsewhere at a much lower cost. The WAND System consists of a well-shielded bank of six 5-in.-diam. phoswich scintillation detectors; a mechanical conveyor system that carries a 12-in.-wide layer of either shredded material or packets of paper sheets beneath the bank of detectors; the electronics needed to process the outputs of the detectors; and a small computer to control the whole system and to perform the data analysis. WAND system minimum detectable activities (MDAs) for point sources range from ...

1998-03-01

148

A device for controlling the degree of discharge intensity of a storage battery

The simple device for scanning image is described. It has much in common with usual TV camera, with an electron beam replaced by an optical one. After the general description of the device, we present a simple experimental illustration.

2002-01-01

149

The device is designed for automatic testing of the degree of discharge of tractive storage batteries (AB) for electric loaders, electric cars and electric ore locomotives. The basic electrical schematic of the device is cited.

1983-01-01

150

Silicon MOS inductor

PICMG xTCA Standards Extensions for Physics: New Developments & Future Plans

A device made of amorphous silicon which exhibits inductive properties at certain voltage biases and in certain frequency ranges in described. Devices of the type described can be made in integrated circuit form.

1981-01-01

151

VEHICLE OPERATION PLAN PREPARATION INFORMATION, RECORDING MEDIUM, AND VEHICLE OPERATION PLAN PREPARATION DEVICE

After several years of planning and workshop meetings, a decision was reached in late 2008 to organize PICMG xTCA for Physics Technical Subcommittees to extend the ATCA and MTCA telecom standards for enhanced system performance, availability and interoperability for physics controls and applications hardware and software. Since formation in May-June 2009, the Hardware Technical Subcommittee has developed a number of ATCA, ARTM, AMC, MTCA and RTM extensions to be completed in mid-to-late 2010. The Software Technical Subcommittee is developing guidelines to promote interoperability of modules designed by industry and laboratories, in particular focusing on middleware and generic application interfaces such as Standard Process Model, Standard Device Model and Standard Hardware API. The paper describes the prototype design work completed by the lab-industry partners to date, the timeline for hardware releases to PICMG for approval, and the status of the software ...

2010-08-26

152

The New Residual Current Protective Devices Operating by Resistive Leakage Current

Full Text Available

2007-11-22

153

The Effect of Radiated Electromagnetic Wave by Digital Modulation Signals on the Electronic Devices

Full Text Available

2008-02-01

154

The Damage of Microcontroller Devices due to Coupling Effects under High Power Electromagnetic Wave by Magnetron

Full Text Available

2011-02-01

155

TROLLEY WIRE OIL COATING DEVICE AND TROLLEY WIRE OIL COATING SYSTEM

Full Text Available

2008-12-01

156

Single-event burnout of power MOSFET devices for satellite application

Full Text Available

2007-10-26

157

Sensor signal processing device for USN application and general purpose

Single-event burnout (SEB) sensitivity was tested for power MOSFET devices, JTMCS081 and JTMCS062, which were made in Institute of Microelectronics, Chinese Academy of Sciences, using californium-252 simulation source. SEB voltage threshold was found for devices under test (DUT). It is helpful for engineers to choose devices used in satellites. (authors)

2008-12-01

158

Power fluidics for ventilation control

Full Text Available

2010-05-01

159

OPTIMIZATION OF STOCHASTIC FINITE STATE SYSTEMS.

... amplification exhaust systems fluidic control devices gloveboxes pressure

1984-11-28

160

Newly developed control and stop valves

... in the terminal state and ... Descriptors : (*OPTIMIZATION, *STOCHASTIC PROCESSES), (*INPUT ... DEVICES, OPTIMIZATION), QUEUEING THEORY ...

1966-04-20

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

161

MULTILAYERED HETEROSTRUCTURE FILM, OPTICAL DEVICE USING THE SAME AND METHOD FOR MANUFACTURING THE SAME

... bwr type reactors closures fluidic control devices operation performance pwr

162

MEASURING DEVICE AND MEASURING METHOD FOR MEASURING PERMEATION CHARACTERISTIC OF MEMBRANE BY USING NUCLEAR MAGNETIC RESONANCE METHOD

Full Text Available

2005-01-18

163

Ion beam assisted deposition of diamond-like coatings (DLC) by means of the dual beam device

Full Text Available

2007-03-09

164

Integrated bistable optical device using Mach-Zehnder interferometric optical waveguide

Short communication.

1995-12-31

165

HARDNESS MEASURING INSTUMENT, HARDNESS MEASURING DEVICE, AND HARDNESS EVALUATION METHOD

An integrated mirrorless bistable optical device based on the Mach-Zehnder interferometric optical switch has been proposed and demonstrated experimentally using a Ti:LiNbO3 waveguide. The resulting device is capable of combining more than two of them to realize multifunctional optical devices such as optical multivibrators.

1979-05-01

166

GaInP/GaAs tandem concentrator cells

Full Text Available

2007-03-02

167

Fluidic programmer for nuclear engine application

We discuss the initial development of a concentrator device based on the GaInP/GaAs monolithic tandem cell structure. The very high one-sun efficiency of this device, coupled with its characteristic low operating current, make this a promising candidate for use under high concentration. Test results for a prototype device are presented. This device achieves an efficiency of 29.5% at a concentration of 102 suns.

1994-06-30

168

Flow deflector for nuclear fuel element assemblies

... fluidic control devices performance reactor control systems space propulsion

169

DRIVING OPERATION ANALYSIS METHOD AND DRIVING OPERATION ANALYSIS DEVICE, AND DRIVING OPERATION ANALYSIS PROGRAM

... coolants departure nucleate boiling fluid flow fluidic control devices fuel

170

DISPLAY METHOD, COMPUTER READABLE RECORDING MEDIUM RECORDED WITH DISPLAY PROGRAM AND DISPLAY DEVICE

Full Text Available

2008-10-16

171

Control of Heat Temperature in Light Emitting Diodes with Thermoelectric Device

Full Text Available

2002-09-30

172

Computer simulation and radiation hardening of power devices to protect against failures induced by heavy ions

Full Text Available

2011-07-01

173

Power devices such as MOSFETSs and IGBTs, include parasitic structures that can give rise to destructive failures such as breakdown and latch-up. To determine a suitable strategy for device radiation hardening, simulation software like MEDICI-2D can be used to model the effects of technological modifications and device parameters that are difficult to measure experimentally. (authors).

174

Centering device

COMMUNICATION DEVICE, BASE STATION, AND MOBILE BODY COMMUNICATION TERMINAL

A centering device for casing tubings is proposed. It includes a housing, collar made of copper linings, return springs and pusher with centering pins placed in it. In order to simplify the design of the centering device it is equipped with levers installed on the pusher rod and connected by hinges to one another. The centering device assures coaxial placement of tubes over the mouth of wells and installation of butt joints during welding of tubes.

1980-03-15

175

An architecture for device independent interfacing

Full Text Available

2005-01-18

176

A plantar flexion device exercise programme for patients with peripheral arterial disease: a randomised prospective feasibility study.

Achieving device independence for software applications is required for all but a small number of critical real time applications. Device independence is achieved by establishing protocols and building protocol interpreters for the specific devices. Data structures containing pointers to functions provide a flexible architecture for implementing protocol translation. 3 refs., 5 figs.

1990-01-01

177

A Study on Appropriate Device Authentication Scheme Based PKI for Exchangeable CAS (XCAS)

PMID:21820543

2010-10-23

178

A Precision Rotational Device using Piezoelectric Elements and Impact Drive Mechanism

Full Text Available

2010-08-01

179

Future of X-ray phase imaging in medical imaging technology

Full Text Available

2010-01-01

180

Efficient application of medical imaging methods. Graded diagnostics for surgical and internal medical problems. Rationeller Einsatz bildgebender Verfahren. Gestufte Diagnostik bei chirurgischen und internistischen Krankheitsbildern

Weakly absorbing materials, such as biological, soft tissues, can be imaged by generating contrast due to the phase shift of X-rays. In the past decade, several methods for X-ray phase imaging were proposed and demonstrated. The performance of X-ray phase imaging is attractive in the field of medical imaging technology, and its development for practical use is expected. Many methods, however, have been developed under the assumption of the use of synchrotron radiation, which is an obstacle to practical use. The method based on Talbot (-Lau) interferometry enables us to use a compact X-ray source, and its development is expected as a breakthrough for medical applications. (author)

2007-04-01

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181

Between academization and good craftmanship. The physiotherapists' ambition to professionalize in the light of the conductive education challenge

The book is intended as a source of information for general practioners and for medical students doing their practical training. Efficient application of imaging methods is explained with great emphasis on practical aspects, concentrating on typical tasks to be solved for adult patients with internal disease or surgical problems. The material is arranged by various organic systems of the body. Graded diagnostics for a stepwise approach to the final diagnosis is the concept described, and is shown to be of advantage to the patient and in terms of cost and time.

1985-01-01

182

British Library Electronic Table of Contents (United Kingdom)

During the 1990s, a debate took place in Sweden concerning Conductive Education. Proponents of this method focused their critique on the role and methods of physiotherapists but this profession was not active in the debate. Instead, the medical profession came out as defenders of habilitation services and methods. Departing from sociology of the professions, our objective in this article is to analyze the physiotherapists' silence in relation to the profession's position and its relation to the medical profession. The analysis is based on data from interviews with members of habilitation teams and other key persons, and on documents. The relative silence of physiotherapists is found to be related to both interprofessional factors (the subordination under the medical profession paired with ...

2011-01-01

183

A solution to add digital signatures to medical images according to the DICOM standard: embedded systems

Evaluation of performance of MPPT devices in PV systems with storage batteries

Radiology departments often underestimate the importance of protecting medical data during transmission, including the precautions taken to ensure data protection. In teleradiology, transmitted as well as stored patient data have to be signed digitally according to the currently valid regulation (Roentgenverordnung, RoeV). The DICOM standard facilitates a digital signature. So far, medical image manufacturers only announced to support this security feature. We introduce a solution that extends the feature of digital signing to older modalities. (orig.)

2005-01-01

184

[The contribution of the Military Medical Academy to space exploration].

In the PV system with storage batteries, as a maximum power point tracking (MPPT) device is used to enhance battery charging, the enhancement must be greater than the internal loss of the device itself, or there will be no net gain at all. To evaluate the MPPT device benefits under different climate, the theoretical calculation models have been constructed. By simulation, a comparative study between two types of PV charge controllers with and without a MPPT device under different atmospheric conditions was presented. The comparison was made by means of the energy production obtained from the PV generator of each system. The climatic conditions of Beijing and Guangzhou in China have been regarded. From the results obtained it can be concluded that the effectiveness of the MPPT device in Guangzhou is not very obvious, however the MPPT device did greatly enhance ...

2007-07-15

185

Transitions from private to public health coverage among children: estimating effects on out-of-pocket medical costs and health insurance premium costs.

The article examines the contribution of the Military Medical Academy as an educational, research and medical institutions in the establishment and development of the national Russian manned spaceflight. Lists the names of the Academy's scientists, working in laboratories and in the Cosmonaut Training Center. In 1958 the academy was formed Department of Aviation Medicine from the research laboratories of aviation medicine, psychophysiology, and encephalography, a division of pressure chambers and furnaces. Direct contribution to the preparation of the first manned space flight made by graduates of the academy, E.A. Karpov (the first chief of Cosmonauts Training Center. Yuri Gagarin) and I.A. Kolosov. Over the half century history of the Russian Space Military Medical Academy, prepared and sent to the CPC Gagarin more than 110 of its graduates. PMID:21770320

2011-04-01

186

Traditional Medicine in Oman: Its Role in Ophthalmology

PMID:21306364

2011-02-09

187

The influence of personal and environmental factors on professionalism in medical education

Aim:To present three patients with ocular disease who developed a range of complications following use of traditional medications.Settings...Full Text Available

2009-04-01

188

The Use of Medical Images in Planning and Delivery of Radiation Therapy

BackgroundProfessionalism is a critical quality for physicians to possess. Physician professionalism has received increased attention in recent years, with many authorities suggesting...Full Text Available

189

The Physical Attractiveness of Electronic Physician Notes

Abstract The authors provide a survey of how images are used in radiation therapy to improve the precision of radiation therapy plans, and delivery of radiation treatment. In contrast...Full Text Available

1997-09-01

190

The International Reference Preparation of Erythropoietin*

Though notes in electronic medical record systems (EMRs) have advantages, they are often criticized for their unattractive and unprofessional appearance. We sought to identify notes regarded by physicians...Full Text Available

2010-01-01

191

The Importance of Health Physics and Medical Integration in ...

The WHO Expert Committee on Biological Standardization authorized the National Institute for Medical Research to establish an International Reference Preparation of Erythropoietin on the basis of the...Full Text Available

1966-01-01

192

The Epidemiology of Cosmetic Treatments for Corneal Opacities in a Korean Population

Richard E. Toohey, PhD, CHP. " Dose Coefficients for Intakes of Radionuclides via Contaminated Wounds; Application of the. NCRP Wound Model ...

193

The Changing Face of Urology in 2005

PurposeTo describe etiologies and clinical characteristics of corneal opacities leading patients to seek cosmetic treatments.MethodsThe medical records...Full Text Available

2010-06-01

194

Teaching medical information retrieval and application courses in Chinese universities: a case study

The practice of urology is changing, not only from a medical and technological standpoint, but also from a business standpoint. New and improved computer technology and enhanced databases have allowed...Full Text Available

2004-01-01

195

British Library Electronic Table of Contents (United Kingdom)

Abstract An important aspect of Chinese academic health science libraries is their involvement in teaching medical information retrieval courses as part of the medical curriculum. Health science librarians in China have a more formal teaching role than is generally found in Western countries, including many full time teaching positions. This article provides a case study of Kunming Medical University Library, where courses are provided as credit units at both undergraduate and postgraduate levels. The teaching practices of Chinese health science libraries are compared with teaching experiences reported in Western countries. It is noted that Chinese government s educational policy is similar to that of the United States in promoting the role of the library in teaching subjects as part of th...

2010-01-01

196

Systems medicine: the future of medical genomics and healthcare

Serving in Haiti: Perspective of a Physician

High-throughput technologies for DNA sequencing and for analyses of transcriptomes, proteomes and metabolomes have provided the foundations for deciphering the structure, variation and function of the...Full Text Available

197

Securing co-operation from persons supplying statistical data

In the wake of the 2010 earthquake in Haiti, medical relief organizations and individual practitioners mobilized to provide assistance. Here, an emergency medicine physician who worked with a Louisiana-based...Full Text Available

2011-01-01

198

Role of Orvosi Hetilap in the development of Hungarian gastroenterology

Securing the co-operation of persons supplying information required for medical statistics is essentially a problem in human relations, and an understanding of the motivations, attitudes, and behaviour...Full Text Available

1954-01-01

199

Robot-Assisted Laparoscopic Prostatectomy

AIM: To analyze the contribution of Orvosi Hetilap (Hungarian Medical Journal) to the field of gastroenterology.METHODS: All issues of the journal between 1857 and 2008 and identified...Full Text Available

2010-05-14

200

Review of Cost-Effectiveness Analysis of Medical Treatment For Myocardial Infarction

ROBOT-ASSISTED RADICAL LAPAROSCOPIC PROSTATECTOMY WAKE FOREST UNIVERSITY BAPTIST MEDICAL CENTER WINSTON-SALEM, NC 00:00:08 ANTHONY ATALA, MD: I would like ...

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201

Pulmonary Function Screening of Submarine Personnel Prior ...

Objectives:Myocardial infarction (MI) is a leading cause of death in both the industrialized and developing countries globally. The economic evaluation of MI is undertaken...Full Text Available

2011-04-01

202

Promoting medical tourism to India: Messages, images, and the marketing of international patient travel

... as the difference between date of birth and date of ... Final model selections were based on the ... approval by the Naval Submarine Medical Research ...

2007-03-26

203

British Library Electronic Table of Contents (United Kingdom)

The practice of medical tourism depends on successfully informing potential patients about procedure options, treatment facilities, tourism opportunities, travel arrangements, and destination countries. The promotion of medical tourism includes a wide range of marketing materials such as flyers, booklets, and websites. Yet, there is a paucity of knowledge about the dissemination, content, and reception of these promotional materials. Drawing on a thematic content analysis of the promotional print material distributed at the first medical tourism trade show in Canada in 2009, the main purpose of this article is to identify and understand the messages and images that companies use to market India as a global destination. While researchers and news media frequently cite low cost procedures as...

2011-01-01

204

Progress and Compliance in Alcohol Abuse Treatment*

Primary lymphoma of the brain: MedlinePlus Medical Encyclopedia

Improving patient compliance with physicians’ treatment or prescription recommendations is an important goal in medical practice. We examine the relationship between treatment progress...Full Text Available

2010-03-01

205

Outpatient Prescribing Errors and the Impact of Computerized Prescribing

brain Printer-friendly version Email this page to a friend Share Primary lymphoma of the brain is cancer of the lymph cells that starts in the brain. Causes The cause of primary...

2011-10-13

206

Novel Techniques and Their Wide Applications to Health Foods, Medical and Agricultural Biotechnology in Relation to Policy Making on Genetically Modified Crops and Foods

BackgroundMedication errors are common among inpatients and many are preventable with computerized prescribing. Relatively little is known about outpatient prescribing errors or...Full Text Available

2005-09-01

207

Neuroleptic malignant syndrome.

Selected applications of novel techniques in Agricultural Biotechnology, Health Food formulations and Medical Biotechnology are being reviewed with the aim of unraveling future developments and policy changes that are likely to open new markets for Biotechnology and prevent the shrinking or closing of existing ones. Amongst the selected novel techniques with applications in both Agricultural and Medical Biotechnology are: immobilized bacterial cells and enzymes, microencapsulation and liposome production, genetic manipulation of microorganisms, development of novel vaccines from plants, epigenomics of mammalian cells and organisms, and biocomputational tools for molecular modeling related to disease and Bioinformatics. Both fundamental and applied aspects of the emerging new techniques are being discussed in relation to their anticipated, marked impact on future markets and present policy changes that are needed for success in either ...

2004-01-01

208

Navy Medical Resource Planning: Rates of Illness for Various ...

Neuroleptic malignant syndrome is a life-threatening reaction of neuroleptic medication. The estimated incidence rate of neuroleptic malignant syndrome is between 1% and 1.5% of patients treated with...Full Text Available

1992-11-01

209

... sample. Hosoitalization Data Hospital admission rates across Navy ships :.n 1985 and 1975 are presented in Table 17. ...

2011-05-13

210

Multiple Sclerosis

Metronome to Coordinate the Breaths and Cardiac Compressions Delivered by Minimally-Trained Caregivers During Two-Person CPR

... with the symptoms of MS have MS. Diagnosis Physical examination and medical history are very important in diagnosing MS. Physical exams include a variety of tests to check ...

211

Medical problems affecting musicians.

Astronaut crew medical officers (CMO) aboard the International Space Station (ISS) receive 40 hours

2005-01-01

212

Medical Student Outcomes after Family-Centered Bedside Rounds

The physical demands of performing on musical instruments can cause pain, sensory loss, and lack of coordination. Five cases illustrate common problems. Knowledge of the interaction between the technique...Full Text Available

1995-12-01

213

Medical Aspects of Sickle Hemoglobin in Military Personnel

ObjectiveFamily-centered bedside rounds (FCBR) are recommended to improve trainee education, patient outcomes, and family satisfaction. However, bedside teaching...Full Text Available

2011-09-01

214

MEDICAL FINAL REVIEW MEMORANDUM OF ORIGINAL BLA

The Department of Defense (DOD) will soon issue a directive to test all incoming military personnel for the presence of hemoglobin S. The military testing program for hemoglobin S is an occupational...Full Text Available

1977-01-01

215

Is sirolimus a therapeutic option for patients with progressive pulmonary lymphangioleiomyomatosis?

... The AAT Z mutation involves a single amino acid substitution (glutamine for lysine) at position 342, resulting in abnormal folding and polymerization of the ...

216

Insulin therapy in critically ill patients

BackgroundLymphangioleiomyomatosis (LAM) is a rare lung disease characterised by progressive airflow obstruction. No effective medical treatment is available but therapy with sirolimus...Full Text Available

2011-01-01

217

Injuries in sailboard enthusiasts.

Hyperglycemia frequently occurs with acute medical illness, especially among patients with cardiovascular disease, and has been linked to increased morbidity and mortality in critically ill patients....Full Text Available

2010-01-01

218

Immune Alteration Studies in Irradiated Dogs.

This study was carried out to determine the rate and types of injuries experienced by boardsailors. Results derive from: (a) a review of hospital medical records for water sports injuries, and (b) a...Full Text Available

1988-09-01

219

INJECTABLE IN SITU CROSS-LINKING HYDROGELS FOR LOCAL ANTIFUNGAL THERAPY

... objective of this research work were to 1 ... function of experimentally manipulated dogs to define ... Escherichia coli; Sepsis; Military medicine; Medical ...

1986-10-31

220

Hispanic Cultural Influences on Medical Practice

Invasive fungal infections can be devastating, particularly in immunocompromised patients, and difficult to treat with systemic drugs. Furthermore, systemic administration of those medications...Full Text Available

2010-02-01

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221

Health Information Technology and Physician Career Satisfaction

Because the proportion of Hispanic patients is increasing rapidly, most physicians are now coming into daily contact with Hispanics. In addition to obvious difficulty with oral communication, Hispanics...Full Text Available

1983-10-01

222

Graphs and Grammars for Histology: An Introduction

PurposeHealth information technology (HIT) and physician career satisfaction are associated with higher-quality medical care. However, the link between HIT and physician...Full Text Available

223

Fitness of equipment used for medical exposure to ionising radiation

The invention of the microscope disclosed a whole new world, that of the hitherto invisibly small. Histologic evidence as revealed by the microscope has become a cornerstone of medical diagnosis, and...Full Text Available

1979-10-17

224

Differentially Private Empirical Risk Minimization

The purpose of this note is to provide guidance to those who have duties under the Health and Safety at Work Act and other relevant legislation. It gives guidance on the practical application of legislation, concerning radiotherapy equipment. Two particular issues arise out of the requirements of Regulation 33 of the Ionising Radiations Regulations 1985 (IRR85) in relation to equipment which is used for medical exposures. These are the requirement to select, install and maintain this type of equipment in such a way that it is capable of restricting, so far as reasonably practicable, the medical exposure of any person where this is compatible with the intended clinical purpose, including the need to ensure that equipment used for radiotherapy is properly calibrated, and the requirement to notify the Health and Safety Executive (HSE) when an incident occurs involving a malfunction or defect in any 'radiation equipment' which ...

1992-05-01

225

Controlling Endemic Cholera with Oral Vaccines

Privacy-preserving machine learning algorithms are crucial for the increasingly common setting in which personal data, such as medical or financial records, are analyzed. We provide general...Full Text Available

2011-03-01

226

Clinical decision support: progress and opportunities

BackgroundAlthough advances in rehydration therapy have made cholera a treatable disease with low case-fatality in settings with appropriate medical care, cholera continues...Full Text Available

2007-11-01

227

In 2005, the American Medical Informatics Association undertook a set of activities relating to clinical decision support (CDS), with support from the office of the national coordinator and the Agency...Full Text Available

2010-09-01

228

Cesarean Section Birth

CESAREAN SECTION SHAWNEE MISSION MEDICAL CENTER MERRIAM, KANSAS March 13, 2008 00:00:09 ANNOUNCER: Tonight you will experience the miracle of birth during ...

229

Cesarean Section Birth

Automated Pharmacy Patient Medication Profiling System

CESAREAN SECTION SHAWNEE MISSION MEDICAL CENTER MERRIAM, KANSAS March 13, 2008 00:00:09 ANNOUNCER: Tonight you will experience the miracle of birth during a live ...

230

Assessment of informatization for the dispensing of medications at a university hospital

The Systems Development Group and the Pharmacy Service of the Washington D.C. VAMC are involved in automating the administrative and clinical data requirements of a satellite out-patient pharmacy....Full Text Available

1981-11-04

231

Adhesion of Vibrio cholerae to Granular Starches

INTRODUCTIONInformatics and automation are important tools for the reduction of work, errors and costs in a hospital pharmacy.OBJECTIVESTo describe...Full Text Available

2010-04-01

232

A Role for the Army Medical Specialist Corps in Nation ...

Cholera is a severe diarrheal disease caused by specific serogroups of Vibrio cholerae that are pathogenic to humans. Cholera can become epidemic and deadly without adequate medical...Full Text Available

2005-08-01

233

A Fuzzy System for Helping Medical Diagnosis of Malformations of Cortical Development

... in MEDCAP "the level of interface was left up ... of these patients had peripheral nerve injuries, head ... with poorly constructed prosthesis or waiting for ...

1993-04-13

234

A Comparison of Chinese and American Indian (Chumash) Medicine

Malformations of the cerebral cortex are recognized as a common cause of developmental delay, neurological deficits, mental retardation and epilepsy. Currently, the diagnosis of cerebral cortical...Full Text Available

2007-06-01

235

A Bookshelf in Public Health, Medical Care, and Allied Fields

Chinese and Chumash traditional medical approaches are similar in terms of disease causation, use of acupuncture or healing touch, plants, spiritual and philosophical approaches. This article provides...Full Text Available

2010-06-01

236

This bibliography of nonserial publications consists of 610 annotations. It is intended as a guide to the development of a collection for librarians and for health professionals in research and education....Full Text Available

1972-01-01

237

Robotics and teleoperator-controlled devices

Instructions and control measures related to enteric contagious diseases at the Veterinary Medical Teaching Hospital (VMTH) of the Faculty of Veterinary Medicine of the University of Montreal are presented....Full Text Available

1999-12-01

238

Decommissioning and dismantling. Examination of the radiation hardening of electronic components. Final report

This paper presents a rationale for and a summary of tasks and missions to which mobile and stationary robots and other teleoperator-controlled devices could be assigned in response to the accidental release of radioactive and other hazardous/toxic materials to the environment. Many of these vehicles and devices currently support operation and maintenance of nuclear power plants and other nuclear industry facilities. This paper also discusses specific missions for these devices at the Three Mile Island and Chernobyl nuclear power plant sites at the time of the accidents. Also discussed is the status of devices under development for future applications, as well as research on robotics.

239

Radiation protection in the operating room

Remote-controlled handling systems are required for work to be done in the decommissioning and dismantling of nuclear facilities. These systems are equipped with electronic devices suitable for use in working environments affected by ionizing radiation. The publication explains the step-wise progress achieved for improving the radiation resistance of electronic devices with the example of a four-quadrant controlling device for the motors of a manipulator. The radiation resistance of the device could be enhanced to radiation energies of 5.500 Gy. This means that a manipulator vehicle equipped with this controlling device can take up to approx. 15 kGy all in all, taking into account its own shielding properties. (DG).

240

Radiation hazards from medical applications

On the basis of legally provided area dose measurements and time records of fluoroscopic examinations during the operation, radiation doses to medical personnel and patients are evaluated. Adequate radiation protection measures and a careful behaviour in the operating room keep the radiation exposure to the personnel below the maximum permissible exposure. Taking into account the continuous personnel radiation monitoring and medical supervision, radiation hazards in the operating room can be considered low.

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241

Plan to send NHS patients for private surgery to cut waiting lists - Health News - News - WalesOnline

An introduction is presented on the radiation hazards connected with biomedical radiography and nuclear medicine. The frequency of radiodiagnostic efforts was rather high in the Netherlands. This was reduced considerably by abolishing the thorax screening of the population. About diagnostic nuclear medicine less can be said because far fewer numerical data are available. An exposition of genetically and somatically significant doses and how to compute them is given. The drawing up of a profit versus risk evaluation for medical applications of ionizing radiations is recommended. (Auth.).

1980-05-31

242

Nuclear methods monitor nutrition

... orthopaedics, waiting times, NHS, private hospitals,health news, medical news, health services, medical treatments, health tips NHS ...be sent to private hospitals for surgery in a bid to bring orthopaedic waiting times under control. Plan to send NHS patients for ...

243

Medical i2b2 NLP Smoking Challenge: The A-Life System Architecture and Methodology

Neutron activation of nitrogen and hydrogen in the body, the isotope dilution technique and the measurement of naturally radioactive potassium in the body are among the new nuclear methods, now under collaborative development by the Australian Nuclear Scientific and Technology Organization and medical specialists from several Sydney hospitals. These methods allow medical specialists to monitor the patient's response to various diets and dietary treatments in cases of cystic fibrosis, anorexia nervosa, long-term surgical trauma, renal diseases and AIDS. ills.

244

Ion-Track Membranes and Their Use in Biological and Medical Applications

We describe the architecture of LifeCode® (A-Life Medical, Inc.), a natural language processing system for free-text clinical information extraction, our methodology in applying LifeCode®...Full Text Available

2008-01-01

245

GaAs detector optimization for different medical imaging applications

This report is a brief review of biological and medical applications of ion-track membranes. The review aims at informing nuclear physicists about alternative (i.e. non-fundamental-science) use of heavy ion accelerators such as production of micro- and nano-porous materials. The ion-track membranes produced this way are employed in life sciences and numerous technological applications. The author focuses on recent results from the Flerov laboratory in co-operation with other scientific institutions and industrial partners.

2007-05-22

246

Developments and potential of radiation processing in the Philippines

We have investigated the detection performance of GaAs detectors made with different thickness and contact geometries. A comparison is made between these detection capabilities and the imaging requirements for the following medical applications: digital mammography, digital chest radiography and nuclear medicine. Experimental results and preliminary images are presented and discussed. (author)

1999-09-11

247

Costs Associated with Developing and Implementing a Computerized Clinical Decision Support System for Medication Dosing for Patients with Renal Insufficiency in the Long-term Care Setting

This paper describes the research and development activities in three areas of radiation processing, namely: food irradiation, medical product sterilization and wood plastic combination. Plans and efforts exerted to acquire a larger gamma source to augment our present 5,000 curie source are discussed. Cost estimates for a radiation facility are presented on the basis of the market potential of food irradiation and medical product sterilization. Existing local industries that can benefit from the adaptation of irradiation technology in their processing requirements are described.

1981-01-01

248

Clinical Procedures for Medical Technology Specialists

A team of physicians, pharmacists, and informatics professionals developed a CDSS added to a commercial electronic medical record system to provide prescribers with patient-specific maximum dosing recommendations...Full Text Available

2008-07-01

249

The difference between standard and average efficiencies of multijunction compared with single-junction concentrator cells

Divided into diagnostic and treatment sections, this book provides a comprehensive overview of the most common medical procedures performed in modern clinical settings. Each section presents common names for the procedure; an outline of the disease or injury for which the procedure is performed; a brief review of the anatomical structures and physiological processes that are involved; staffing, equipment, and pre-procedure requirements; a detailed description of the procedure itself; and, a discussion of expected outcomes as well as potential complications. Each chapter includes a summary and

2010-01-01

250

Basic mechanisms of radiation effects in the natural space radiation environment

The theoretical performance of ideal single- and multijunction cells are compared at 100xconcentration under a range of cloudless-sky conditions. The sensitivities of device performance to cell temperature and spectral variations are shown to depend on the number of junctions (one, two or three), the way in which the junctions are connected (series, parallel or independent), and the band gaps of the devices. The average performances of all of the multijunction devices surpass that of a single-junction GaAs device, but the inconsistency in performance of some of the multijunction devices is significant for large variations in cell temperature and incident spectrum. The choice of band gap and connection scheme is more important than the number of junctions in determining the consistency of device performance. (orig.).

1991-05-01

251

Verification of MLC based real-time tumor tracking using an electronic portal imaging device

Four general topics are covered in respect to the natural space radiation environment: (1) particles trapped by the earth`s magnetic field, (2) cosmic rays, (3) radiation environment inside a spacecraft, (4) laboratory radiation sources. The interaction of radiation with materials is described by ionization effects and displacement effects. Total-dose effects on MOS devices is discussed with respect to: measurement techniques, electron-hole yield, hole transport, oxide traps, interface traps, border traps, device properties, case studies and special concerns for commercial devices. Other device types considered for total-dose effects are SOI devices and nitrided oxide devices. Lastly, single event phenomena are discussed with respect to charge collection mechanisms and hard errors. (GHH)

1994-06-01

252

Quantum computing with solids

Purpose: The authors have developed a novel technique using an electronic portal imaging device (EPID) to verify the geometrical accuracy of delivery of dose-rate-regulated tracking (DRRT)....Full Text Available

2010-06-01

253

Improvements in or relating to fluid operated devices for moving articles

Science and technology could be revolutionized by quantum computers, but building them from solid-state devices will not be easy. Robert W Keyes of IBM's research division outlines the challenges in scaling up the technology from lab experiments to practical devices. (U.K.)

2002-08-01

254

Foam Filled Muzzle Blast Reducing Device.

The patent relates to fluid operated devices for moving articles. The machine may be used in filling a nuclear fuel canister with fuel pellets where there is a tendency for out of squareness of pellets to produce a jam condition readily cleared by a modest force. (U.K.).

1984-09-27

255

Development of a Coke-Free Cupola Furnace. Energy Conserving Shaft Furnace for Iron Materials. Final Report.

A device for reducing the muzzle blast and flash from large caliber guns is disclosed. A container having a plurality of internal chambers and baffle plates filled with an aqueous foam is mounted to the muzzle of the gun barrel. The foam and chambers co-o...

1982-01-01

256

Demographic Profile of Older Adults Using Wheeled Mobility Devices

Coke-fired cupola furnaces were improved and made suitable for the production of high-quality casting melts by numerous additional devices. Moreover, they were equipped with environmental protection systems with numerous dust separation devices and afterb...

1986-01-01

257

DISPERSION TOLERANCE CALCULATION FOR NSLS-II.

The purpose of this study was to determine whether the use of wheeled mobility devices differed with respect to age, gender, residential setting, and health-related factors among older adults. A total...Full Text Available

258

DESIGN MANUAL: SWIRL AND HELICAL BEND POLLUTION CONTROL DEVICES

In this paper we discuss the effect on the emittance of the residual dispersion in the insertion devices. The dispersion in the straights could be generated by the lattice error, trim dipole, and insertion device. The effect on the emittance is examined, and the dispersion tolerances are given for the NSLS-11.

2007-06-25

259

Biomechanical Issues in Endovascular Device Design

This design manual contains descriptions of design procedures and operating experience to date, including results obtained, for secondary flow pollution control devices. Two types of combined sewer overflow regulators are described: the swirl and the helical bend regulator/separa...

260

A new resorbable device for ligation of blood vessels - A pilot study

The biomechanical nature of the arterial system and its major disease states provides a series of challenges to treatment strategies. Endovascular device design objectives have mostly centered on short-term...Full Text Available

2009-02-01

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261

40 CFR 63.321 - Definitions.

BackgroundDuring surgery, controlled haemostasis to prevent blood loss is vital for a successful outcome. It can be difficult to ligate vessels located deep in the abdomen. A device...Full Text Available

262

Thermal-physical analysis of low-radioactive thermonuclear plasma in the magnetic fusion device

...limited to, emission control devices, pumps, filters, muck cookers, stills, solvent tanks, solvent containers, water separators...facility that meets the conditions of § 63.320(g). Muck cooker means a device for heating perchloroethylene-laden...

2009-07-01

263

Theoretical study on device efficiency of pulsed liquid jet pump

... Union (INTAS), Brussels (Belgium) Science and Technology Center in Unkraine,

2006-09-11

264

The application of advanced techniques for complex focused-ion-beam device modification

The influence of the main factors on device efficiency of pulsed liquid jet pump with gas-liquid piston is analysed, the theoretical equation and its time-averaged solution of pulsed liquid jet pump device efficiency are derived. The theoretical and experimental results show that the efficiency of transmission of energy and mass to use pulsed jet is greatly raised, compared with steady jet, in the same device of liquid jet pump. The calculating results of time-averaged efficiency of pulsed liquid jet pump are approximately in agreement with the experimental results in our and foreign countries

2001-03-01

265

THIN FILM ACOUSTO-OPTIC DEVICES - REVIEW AND ...

Advanced techniques for focused-ion-beam (FIB) device modification have been developed for complex, multistep modifications to circuitry on planar chip technology. Applying gas-assisted etching (GAE) techniques for high-aspect-ratio milling and the selective milling of both conductive and insulating films enhances process latitude. Localized ion-beam-induced deposition of an insulating film provides reconstructive capability in previously modified areas. The application of both techniques for complex device modification on VSLI devices fabricated with CMOS process technology is reviewed. (UK).

1996-12-31

266

Radiation dose in computerized tomography

... Abstract : MANY THIN FILM ACOUSTO-OPTIC INTERACTION EXPERIMENTS FOR ... CONVERTERS, AND FOR FAST SWITCHES HAVE BEEN ...

1974-11-01

267

Plasma diagnostics in the optical and X-ray regions on the plasma focus device PF-4 (TULIP)

Dosimetric studies in 80 patients examined with the tomographic device 'Somatom' are reported. The gonad doses are compared to those of conventional radiographic techniques.

268

... Union (INTAS), Brussels (Belgium) Science and Technology Center in Unkraine,

2006-09-11

269

NASA TECH BRIEF

Magnetic Tape Pulse Width to Digital Convertor.

Magnetic Forming Studies. The use of transient high magnetic-field devices has made possible the generation of very large accurately ...

270

Improvement of assessment methodology for fluid flow characteristics of passive flow control device

... This is achieved by the use of a unique logic circuit employing a plurality of flip-flop devices, multivibrators and AND gates. ...

1976-12-07

271

Improved Usability of Locomotion Devices Using Human ...

The objective of this study is to establish evaluation and verification guideline for the APR 1400 and to investigate the thermal-hydraulic characteristics for fluidic device is analyzed using FLUENT. The scope and major results of research are flow characteristics for fluidic device. In this study, three-dimensional numerical model for fluidic device is developed adequately for, and results are compared with experimental data performed by VAPER (VAlve Performance Evaluation test Rig) in KAERI with an aim to verify numerical simulation. In addition, the parametric study has also carried out to investigate the effect of major parameters such as velocity and pressure inside FD chamber.

2002-10-01

272

Growth, Characterization and Device Development in ...

... increasing photorealism. Furthermore, developments in audio technology continue to increase the spatial awareness of users in VEs. ...

2009-03-01

273

GaInP/GaAs monolithic tandem concentrator cells

... eV. In some instances the spontaneous radiation from a free electron laser system was employed to obtain images. The ...

1998-03-01

274

Fluidic shut-down system for a nuclear reactor

This paper discusses design considerations for the recently introduced GaInP/GaAs monolithic tandem concentrator cell. The prototype device achieves a peak efficiency of 30.2% in a range of 140--180 suns, making this the first two-terminal device to demonstrate a verified efficiency exceeding 30%. At 425 suns the efficiency is still above 29%. The authors focus on the issues of grid design, top-cell thickness, and antireflectance coat. They also examine ways in which these aspects of the device may be modified to provide further performance improvements for future devices.

1994-12-31

275

ELECTRONIC COMPONENT FOR WIRING, ITS MANUFACTURING METHOD, ELECTRONIC DEVICE PACKAGE IN WHICH THE ELECTRONIC COMPONENT IS INCORPORATED FOR USE, AND ITS MANUFACTURING METHOD

... fluid poison control fluidic control devices reactors scram scram rods control

276

Dictionary of Technical Terms for Aerospace Use - S

Full Text Available

2011-04-07

277

Creation of a Data Base on Energetic Materials

sabot: A device fitted around or in back of a projectile in a gun barrel or launching tube to support or protect the projectile or to prevent the escape of ...

278

Correlation-based spectral clustering for flexible process monitoring

... initiation) Pressed e Combustible Cartridge Cases Quantity-Distance Table ... Combustible Cartridge Cases, and Electrically Exploded Devices in ...

1987-08-10

279

British Library Electronic Table of Contents (United Kingdom)

The individuality of production devices should be taken into account when statistical models are designed for parallelized devices. In the present work, a new clustering method, referred to as NC-spectral clustering, is proposed for discriminating the individuality of production devices. The key idea is to classify samples according to the differences of the correlation among measured variables, since the individuality of production devices is expressed by the correlation. In the proposed NC-spectral clustering, the nearest correlation (NC) method and spectral clustering are integrated. The NC method generates the weighted graph that expresses the correlation-based similarities between samples, and the constructed graph is partitioned by spectral clustering. A new statistical process monit...

2011-01-01

280

Measurement of dose-area product in diagnostic radiology as a method of assessing the radiation exposure. (Results, experience, proposals for improvement, recommendations relating to radiological protection). Report of an expert meeting; Die Messung des Dosisflaechenproduktes in der diagnostischen Radiologie als Methode zur Ermittlung der Strahlenexposition. (Ergebnisse, Erfahrungen, Verbesserungsvorschlaege und Empfehlungen zum Strahlenschutz). Bericht ueber ein Expertentreffen

The fundamental recommendations of the ICRP issued in its publication of 1990 stipulate the general principle of performance of dose measurements at regular intervals in the field of diagnostic radiology, for the purpose of equipment performance checking and optimization of radiological protection. In response to this requirement, the Federal Ministry, in cooperation with experts and the competent supervising authorities, has issued an order to install dose-area-product meters in angiographic examination systems, imaging systems and fluoroscopic screen devices primarily used for examining infants and children up to the age of 12. This is done in response to reported cases of adverse effects of radiation exposure and the high priority given to radiological protection in the examination of infants and children. In 1992, an expert group was convened to discuss and elaborate instructions for including dose-area product measurement in the dosimetry activities in ...

1995-12-31

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

281

Slurry intake device

Physical therapy applications of MR fluids and intelligent control

A slurry intake device is proposed which contains an inlet sleeve, housing with grating installed with the discharge end in the zone of the slurry outlet, and hinged deflector. In order to conserve the clay mud, it is equipped with a tie rod and two-arm lever which is kinematically linked to the deflector and the grating. It is installed by hinges in relation to the housing and the latter is attached by hinges to the inlet sleeve. The deflector is arranged in the zone of slurry outlet. The device is distinguished by the fact that the deflector is equipped with a cantilever on which a fixable weight is attached.

1982-01-01

282

Optimizing semiconductor devices by self-organizing particle swarm

Resistance exercise has been widely reported to have positive rehabilitation effects for patients with neuromuscular and orthopaedic conditions. This paper presents an optimal design of magneto-rheological fluid dampers for variable resistance exercise devices. Adaptive controls for regulating the resistive force or torque of the device as well as the joint motion are presented. The device provides both isometric and isokinetic strength training for various human joints.

2005-05-01

283

Method and apparatus for detecting explosives

A self-organizing particle swarm is presented. It works in dissipative state by employing the small inertia weight, according to experimental analysis on a simplified model, which with fast convergence. Then by recognizing and replacing inactive particles according to the process deviation information of device parameters, the fluctuation is introduced so as to driving the irreversible evolution process with better fitness. The testing on benchmark functions and an application example for device optimization with designed fitness function indicates it improves the performance effectively.

2005-01-01

284

Measurement of audible noise from transmission lines

A method and apparatus is provided for detecting explosives by thermal imaging. The explosive material is subjected to a high energy wave which can be either a sound wave or an electromagnetic wave which will initiate a chemical reaction in the explosive material which chemical reaction will produce heat. The heat is then sensed by a thermal imaging device which will provide a signal to a computing device which will alert a user of the apparatus to the possibility of an explosive device being present.

2011-05-10

285

Final Report: Planetary Instrument Definition and Design Program (PIDDP) Support Project

The audible noise produced by corona on high-voltage transmission lines has several characteristics that differentiate it from other community noises. Transmission line noise is quite broadband and has a significant high frequency content. Special instrumentation designed to measure this type of noise pollution is described. All measuring systems have the same three basic elements: a transducer, a processing device, and an output device. Recorders, microphone devices, frequency analyzers, and meteorological instrumentation are discussed.

1981-03-01

286

Dynamics of electrooptic bistable devices with delayed feedback

The results of Sandia National Laboratories' participation in the NASA Planetary Definition and Design Program are summarized. Areas reported include the characterization of large area cadmium zinc telluride spectrometers and the application of simulation techniques to the prediction of device performance. Also investigated was the response of mercuric iodide devices in the region from 1 to 100 KeV. A literature study to determine the status or radiation damage measurements in room temperature semiconductor devices is also reported.

1999-03-01

287

Device for advancing the base of a stoping unit

The dynamic behavior of electrooptic bistable devices with delayed feedback is investigated theoretically and experimentally. The operation principle of the system is analyzed by the method of iterated maps. Stable, bistable, periodic, higher periodic, and chaotic solutions are discussed and realized experimentally by using an integrated Mach-Zehnder interferometer on LiNbO3 as a basic nonlinear element. Taking into account the periodic modulator characteristic, the application of this device as a simple and fast bistable and monostable multivibrator is demonstrated. In addition, the synchronization properties of the astable multivibrator are investigated.

1982-12-01

288

Device for additional compaction of crushed coal loaded into a coke oven

The purpose of the invention is to increase reliability in the operation of the device for advancing the base of a stoping unit. This is achieved because the device includes alternation hydraulic jacks of advance and control connected by hinges between themselves by the sections of the base and equipped with hydraulic locks, distributors of the hydraulic jacks of advance. In this case the hydraulic locks connected to the hydraulic jacks of control are doubled and connected to the distributors of the neighboring sections through reverse valves.

1980-12-13

289

Development of heavy-ion irradiation technique for single-event in semiconductor devices

This is a patent for a device to increase compaction of the loaded batch in a coking chamber that assures a balanced compaction of the batch from the upper to the bottom layer. The leveling rod has a device on the external end that causes the rod to shift vertically and bring pressure on the material and the pressing attachment. Opposite the loading hoppers of the coking chambers there are guides that ensure the rod will be sunk perpendicularly into the loaded material.

1980-03-26

290

Container for the long-term storage of radioactive substances with a lid tightening device

Heavy-ion irradiation technique has been developed for the evaluation of single-event effects on semiconductor devices. For the uniform irradiation of high energy heavy ions to device samples, we have designed and installed a magnetic beam-scanning system in a JAERI cyclotron beam course. It was found that scanned area was approximately 4 x 2 centimeters and that the deviation of ion fluence from the average value was less than 7%. (author)

1997-03-01

291

Applying fluidics to reactor safety and reprocessing

The invention concerns a container for the long term storage of irradiated nuclear reactor fuel elements, which consists mainly of a basic body, at least one lid and an outside ring shaped lid tightening device, which acts on the basic body and the lid and holds the contact surface of the lid tight against the contact surface of the basic body, where the basic body, lid and the lid tightening device consist of corrosion-proof materials. (orig./HP).

1983-09-24

292

A device for assemblying a support string for an offshore drilling rig

Large scale flows of liquids can be controlled by using power fluidic devices that harness the hydrodynamic properties of liquids rather than use moving parts. Included among the fluidic devices considered are fluidic pumps, reverse flow diverters, fluidic diodes and vortex amplifiers. These devices are of potential use in the nuclear industry, particularly in reprocessing. (U.K.).

293

Use of acupuncture therapy as a supplement to conventional medical treatments for acute ischaemic stroke patients in an academic medical centre in Korea

The purpose of the invention is to simplify assembly and to reduce labor intensity. This is achieved by the fact that the assembly shaft is positioned in a hawser, while its wall which is turned towards the body of the installation is combined with the hawser wall, where a U shaped opening is made in the wall of the assembly shaft, along the edges of which there is a hermetically sealing device, while the bottom of the body of the offshore drilling rig is equipped with a rigid insert attached with the capability of adjoining it with the hermetically sealing device.

1983-01-01

294

British Library Electronic Table of Contents (United Kingdom)

Objectives: Acupuncture has served as a major complementary and alternative therapy that supplements conventional medicine and is the subject of growing public interest. This study was conducted to estimate the usage rate of acupuncture as a supplemental treatment in acute ischaemic stroke patients and to identify factors associated with the choice to use this therapy. Methods: Using the registry of stroke patients admitted to an academic medical centre in Korea, the use of acupuncture therapy was recorded and analysed, along with the patients' socio-demographic characteristics, hospital access variables, risk factors for ischaemic stroke and clinical characteristics. The data were analysed using descriptive statistics, chi-square tests and multiple logistic regression analyses. Results: O...

2011-01-01

295

Therapeutic Applications of Monte Carlo Calculations in Nuclear Medicine

Organ doses received by atomic bomb survivors during radiological examinations at the Radiation Effects Research Foundation

This book examines the applications of Monte Carlo (MC) calculations in therapeutic nuclear medicine, from basic principles to computer implementations of software packages and their applications in radiation dosimetry and treatment planning. It is written for nuclear medicine physicists and physicians as well as radiation oncologists, and can serve as a supplementary text for medical imaging, radiation dosimetry and nuclear engineering graduate courses in science, medical and engineering faculties. With chapters is written by recognised authorities in that particular field, the book covers the entire range of MC applications in therapeutic medical and health physics, from its use in imaging prior to therapy to dose distribution modelling targeted radiotherapy. The contributions discuss the fundamental concepts of radiation dosimetry, radiobiological aspects of targeted radionuclide therapy and the various components and ...

2003-01-01

296

Organ doses received by atomic bomb survivors during radiological examinations at the Radiation Effects Research Foundation

When evaluating the risks of oncogenesis and cancer mortality following exposure to the radiations of the atomic bombs (A-bombs), the medical X-ray doses received by the A-bomb survivors must also be estimated and considered. Using a human phantom, dosimetry was performed to estimate the X-ray doses received by A-bomb survivors during medical examinations at the Radiation Effects Foundation (RERF) as part of the long-term follow-up on the Adult Health Study (AHS). These examinations have been estimated to represent nearly 45% of the survivors' cumulative medical irradiation dose. Doses to the salivary glands, thyroid gland, lung, breast, stomach and colon were measured using thermoluminescent dosemeters. The results, which are reported here, will aid in estimating organ doses received by individual AHS participants. (Author).

1991-08-01

297

Integrating Medical Science Liaisons into Key Account Management

When evaluating the risks of oncogenesis and cancer mortality following exposure to the radiations of the atomic bombs (A-bombs), the medical X-ray doses received by the A-bomb survivors must also be estimated and considered. Using a human phantom, dosimetry was performed to estimate the X-ray doses received by A-bomb survivors during medical examinations at the Radiation Effects Foundation (RERF) as part of the long-term follow-up on the Adult Health Study (AHS). These examinations have been estimated to represent nearly 45% of the survivors' cumulative medical irradiation dose. Doses to the salivary glands, thyroid gland, lung, breast, stomach and colon were measured using thermoluminescent dosemeters. The results, which are reported here, will aid in estimating organ doses received by individual AHS participants. (Author).

1991-01-01

298

British Library Electronic Table of Contents (United Kingdom)

Medical Science Liaison (MSL) teams are a well-recognized function within the pharmaceutical and medical products industries. While in most organizations, MSLs have focused on the development of relationships with individual Key Opinion Leaders, progressive companies have realized the value that MSLs can also bring to Key Account Management (KAM). This article discusses the five steps that should be followed in order to successfully integrate the support of Key Accounts into an MSL function. These include understanding the business approach to KAM, identifying what MSL resources are available, developing a comprehensive strategic plan, implementing the plan, and evaluating and making any necessary adjustments. Finally, a case example outlining the experience of a small pharmaceutical compa...

2010-01-01

299

Challenges in presenting high dimensional data to aid in triage in the DARPA virtual soldier project.

Attitudes of Turkish parents, pediatric residents, and medical students toward child disciplinary practices

One of the goals of the DARPA Virtual Soldier Project is to aid the field medic in the triage of a casualty. In Phase I, we are currently collecting 12 baseline experimental physiological variables and a cardiac gated Computed Tomography (CT) imagery for use in an prototyping a futuristic electronic medical record, the "Holomer". We are using physiological models and Kalman filtering to aid in diagnosis and predict outcomes in relation to cardiac injury. The physiological modeling introduces another few hundred variables. Reducing the complexity of the above into easy-to-read text to aid in the triage by the field medic is the challenge with multiple display solutions. A description of the possible techniques follows. PMID:15718701

2005-01-01

300

British Library Electronic Table of Contents (United Kingdom)

ObjectiveThe aims of the study were to: determine the attitudes of parents, pediatric residents, and medical students from a Turkish population toward childhood disciplinary methods; ascertain the association of participants' abusive childhood history with their attitudes toward discipline; and assess their attitudes about disciplinary actions, which should be reported as abuse.MethodA cross-sectional survey was conducted in Ankara University School of Medicine, Department of Social Pediatrics. Sixty-five parents, 39 pediatric residents, and 106 medical students completed a questionnaire (Survey of Standards of Discipline). This questionnaire was designed to measure sociodemographic characteristics, attitudes toward childhood disciplinary practices, and abusive childhood experiences. There...

2006-01-01

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301

Adult Attention-Deficit/Hyperactivity Disorder Treatment and Cardiovascular Implications

British Library Electronic Table of Contents (United Kingdom)

Attention-deficit/hyperactivity disorder (ADHD) is a chronic neurobehavioral disorder afflicting adults worldwide. This article is an update on the evidence supporting medications for adult ADHD, with particular emphasis on cardiovascular implications. Relevant clinical literature was sought using PubMed searches, with an emphasis on new reports from April 2009 to April 2011. This review describes the efficacy and general tolerability of stimulant and nonstimulant medications for adults with ADHD as seen in contemporary clinical trials. Cardiovascular response to medications for ADHD is primarily seen in heart rate and blood pressure elevations, while less is known about the etiology of rare cardiovascular events or long-term sequelae. Further research is indicated to delineate clinical an...

2011-01-01

302

Real time neutron radiography using a Lixi neutron imaging device

Real time neutron radiography using a Lixi neutron imaging device

A real time neutron radiography system has been developed at the University of Michigan Phoenix Memorial Laboratory (PML) and has recently been used to test the imaging capabilities of a neutron imaging device developed by Lixi, Inc. of Downers Grove, Illinois. This device uses an input phosphor that is high in gadolinium to generate a light image which is then sent through an intensifier stage to provide images that can be viewed by eye, video camera, or standard 35 mm camera. It was determined that this device provides images of much higher resolution and sensitivity than those obtained with the imaging system currently being used at PML. Using computerized image enhancement techniques, the images obtained with the Lixi neutron imaging device can then be further enhanced or processed to obtain quantitative information on the object being imaged.

1986-01-15

303

NEXAFS microscopy of polymeric materials: Successes and challenges encountered when characterizing organic devices

A real time neutron radiography system has been developed at the University of Michigan Phoenix Memorial Laboratory (PML) and has recently been used to test the imaging capabilities of a neutron imaging device developed by Lixi, Inc. of Downers Grove, Ill. This device uses an input phosphor that is high in gadolinium to generate a light image which is then sent through an intensifier stage to provide images that can be viewed by eye, video camera, or standard 35 mm camera. It was determined that this device provides images of much higher resolution and sensitivity than those obtained with the imaging system currently being used at PML. Using computerized image enhancement techniques, the images obtained with the Lixi neutron imaging device can then be further enhanced or processed to obtain quantitative information on the object being imaged. (orig.).

1986-01-01

304

Method and device for identifying different species of honeybees

We summarize recent developments in x-ray microscopy of polymers by focusing on the characterization of organic electronic devices. The quantitative compositions of model polymer blends have been mapped at a resolution of {approx}35 nm. Since it could be inferred that these devices have structures smaller than 35 nm, quantitative compositional mapping at length scales below the present resolution limit of x-ray microscopy is required. Organic devices thus serve to both highlight the success of NEXAFS microscopy to date, but to also outline the very real need for higher spatial resolution. New approaches to create improved optics or different acquisition modalities are required if x-ray microscopy is to make sustained contributions to such an important area of research as organic devices.

2009-09-01

305

Light weight underground pipe or cable installing device

A method and device have been provided for distinguishing Africanized honeybees from European honeybees. The method is based on the discovery of a distinct difference in the acoustical signatures of these two species of honeybees in flight. The European honeybee signature has a fundamental power peak in the 210 to 240 Hz range while the Africanized honeybee signature has a fundamental power peak in the 260 to 290 Hz range. The acoustic signal produced by honeybees is analyzed by means of a detecting device to quickly determine the honeybee species through the detection of the presence of frequencies in one of these distinct ranges. The device includes a microphone for acoustical signal detection which feeds the detected signal into a frequency analyzer which is designed to detect the presence of either of the known fundamental wingbeat frequencies unique to the acoustical signatures of these species as an indication of the ...

1989-01-01

306

Coherently pulsed laser source

This invention pertains to a light weight underground pipe or cable installing device adapted for use in a narrow and deep operating trench. More particularly this underground pipe installing device employs a pair of laterally movable gates positioned adjacent the bottom of the operating trench where the earth is more solid to securely clamp the device in the operating trench to enable it to withstand the forces exerted as the actuating rod is forced through the earth from the so-called operating trench to the target trench. To accommodate the laterally movable gates positioned adjacent the bottom of the narrow pipe installing device, a pair of top operated double-acting rod clamping jaws, operated by a hydraulic cylinder positioned above the actuating rod are employed.

1985-01-08

307

Universal remote access infrastructure for embedded systems; Universelle Fernzugriff-Infrastruktur fuer eingebettete Systeme

An electronically controllable apparatus is described which modulates a continuous wave laser beam so as to produce an output beam consisting of coherent ''pulses'' that are electronically controllable as to both pulse repetition rate and pulse width. The apparatus includes two acoustic devices positioned so that the laser beam passes through them in sequence, and apparatus or for passing sound waves through the devices to frequency shift the laser radiation as well as to diffract it. Each acoustic device such as generates sound waves containing a group of frequencies which result in spaced pulses. The spreading of a laser beam at which emanates from the first acoustic device is countered by the second acoustic device to produce a collimated, coherently pulsed, laser beam.

1982-06-01

308

What can studying musicians tell us about motor control of the hand?

This article describes a flexible and extensible infrastructure for applying Web-Technologies to embedded systems.The presented approach develops a Three-level-Architecture consisting of the embedded system, the universal Remote-Access-Server and the Remote-Access-Client. A system-spanning general interface allows the binding of embedded systems in order to access their process data. Additionally, this procedure facilitates a flexible processing of the device data, so that it is ready to be used by different control devices. To ensure flexibility - connecting different devices on the one side and providing information for different clients like PC, PDA or mobile phone on the other side - a new XML-based description language (Service Description Markup Language - SDML) is introduced. The SDML documents contain information about connected embedded systems, reusable device data and the presentation ...

2005-07-01

309

What Parents Should Know about Medical Radiation Safety in Interventional Radiology

Most standard accounts of human anatomy and physiology are designed to meet the requirements of medical education and therefore consider their subject matter from the standpoint of typical rather than...Full Text Available

2006-04-01

310

Vancomycin-resistant Enterococcus domination of intestinal microbiota is enabled by antibiotic treatment in mice and precedes bloodstream invasion in humans

... Amount Background Radiation Blood vessel central line, PICC (peripherally inserted central catheter) or port placement, simple 0.4 mSv ...

311

Validation of the treatment identification strategy of the HEDIS addiction quality measures: concordance with medical record review

Bloodstream infection by highly antibiotic-resistant bacteria, such as vancomycin-resistant Enterococcus (VRE), is a growing clinical problem that increasingly defies medical intervention....Full Text Available

2010-12-01

312

Utility of Recycled Bedding for Laboratory Rodents

BackgroundStrategies to accurately identify the occurrence of specific health care events in administrative data is central to many quality improvement and research efforts. Many...Full Text Available

313

Use of health information technology in home health and hospice agencies: United States, 2007

Animal facilities generate a large amount of used bedding containing excrement as medical waste. We developed a recycling system for used bedding that involves soft hydrothermal processing. In this...Full Text Available

2009-07-01

314

Trends in use of opioids for chronic non-cancer pain among individuals with mental health and substance use disorders: the TROUP study

ObjectiveThis report provides updated estimates on use of electronic medical records (EMRs) in US home health and hospice (HHH) agencies, describes utilization of EMR functionalities,...Full Text Available

2010-07-01

315

Transforming growth factor-beta signaling in thoracic aortic aneurysm development: a paradox in pathogenesis

ObjectivesUse of prescription opioids for chronic pain is increasing, as is abuse of these medications, though the nature of the link between these trends is unclear....Full Text Available

2010-01-01

316

Toward Intelligent Hemodynamic Monitoring: A Functional Approach

Thoracic aortic aneurysms (TAAs) are potentially devastating, and due to their asymptomatic behavior, pose a serious health risk characterized by the lack of medical treatment options and high...Full Text Available

2009-01-01

317

The relationship between job satisfaction, burnout, and turnover intention among physicians from urban state-owned medical institutions in Hubei, China: a cross-sectional study

Technology is now available to allow a complete haemodynamic analysis; however this is only used in a small proportion of patients and seems to occur when the medical staff have the time and inclination....Full Text Available

2012-01-01

318

The Significance of Bladder Trabeculation in the Female Lower Urinary System: An Objective Evaluation by Urodynamic Studies

BackgroundThroughout China, a growing number of physicians are leaving or intending to depart from their organizations owing to job dissatisfaction. Little information is available...Full Text Available

319

The Optical Videodisc in Computer Based Education

This study aimed to investigate the relationship between bladder trabeculation, urinary function, and the stage of pelvic organ prolapse (POP). The medical records of 104 patients with POP who underwent...Full Text Available

2005-10-31

320

The Influence of Abacavir and Other Antiretroviral Agents on Virologic Response to Hepatitis C Virus Therapy Among Antiretroviral-Treated HIV-Infected Patients

In a new approach to medical computer based education (CBE) students at several U.S. and Canadian health professions schools have been using an optical videodisc under computer control to study basic...Full Text Available

1984-11-07

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

321

Temporal changes in key maternal and fetal factors affecting birth outcomes: A 32-year population-based study in an industrial city

BackgroundIt remains unclear if certain antiretroviral medications, particularly abacavir, compromise response to hepatitis C virus (HCV) therapy. Such data can inform...Full Text Available

2010-01-01

322

Symbolic Anatomic Knowledge Representation in the Read Codes Version 3

BackgroundThe link between maternal factors and birth outcomes is well established. Substantial changes in society and medical care over time have influenced women's reproductive...Full Text Available

323

Surmounting the Unique Challenges in Health Disparities Education: A Multi-Institution Qualitative Study

Abstract The Read Thesaurus (Version 3 of the Read Codes) is a controlled medical vocabulary produced during the Clinical Terms Projects with the involvement of over 2,000 health care...Full Text Available

1997-01-01

324

Structural, chemical and biological aspects of antioxidants for strategies against metal and metalloid exposure

BackgroundThe National Consortium for Multicultural Education for Health Professionals (Consortium) comprises educators representing 18 US medical schools, funded by the National...Full Text Available

2010-05-01

325

Strategic planning for information management: what are the deliverables?

Oxidative stress contributes to the pathophysiology of exposure to heavy metals/metalloid. Beneficial renal effects of some medications, such as chelation therapy depend at least partially on the ability...Full Text Available

2009-09-01

326

Stem Cell Research (Updated July 26, 2002).

This paper describes the deliverables framework developed by Vanderbilt University Medical Center (VUMC) in its IAIMS planning process. The key deliverables include: visions for the future; mission,...Full Text Available

1995-01-01

327

Standardization of clinical decision making for the conduct of credible clinical research in complicated medical environments.

Embryonic stem cells have the ability to develop into virtually any cell in the body, and may have the potential to treat medical conditions such as diabetes and Parkinsons disease. On August 9, 2001, President Bush announced that for the first time feder...

2002-01-01

328

Spinal Cord Stimulation for Intractable Visceral Pain due to Chronic Pancreatitis

The likelihood that past experience will produce correct guides to current practice depends on the signal-to-noise ratio for the clinical problem of interest. If the signal-to-noise ratio is high, the...Full Text Available

1996-01-01

329

Sphincter preservation for distal rectal cancer - a goal worth achieving at all costs?

Pain caused by chronic pancreatitis is medically intractable and resistant to conventional interventional or surgical treatment. We report a case of spinal cord stimulation (SCS) for intractable pain...Full Text Available

2009-08-01

330

Smoking and All-Cause Mortality among a Cohort of Urban Transit Operators

To assess the merits of currently available treatment options in the management of patients with low rectal cancer, a review of the medical literature pertaining to the operative and non-operative management...Full Text Available

2011-02-21

331

Signal and imaging sciences workshop proceedings

This study assesses the contribution of smoking to all-cause mortality among a primarily minority cohort of urban transit operators. Survey and medical exam data, obtained from 1,785 workers (61% African...Full Text Available

2008-09-01

332

Sigma-1 receptor agonist fluvoxamine for postoperative delirium in older adults: report of three cases

Papers are presented in the areas of: Medical Technologies; Non-Destructive Evaluation; Applications of Signal/Image Processing; Laser Guide Star and Adaptive Optics; Computational Electromagnetic, Acoustics and Optics; Micro-Impulse Radar Processing; Optical Applications; TANGO Space Shuttle.

1997-11-01

333

Should we clone human beings? Cloning as a source of tissue for transplantation.

BackgroundPostoperative delirium is a topic of great importance in the geriatric surgical specialty. Although antipsychotic drugs are the medications most frequently used to treat...Full Text Available

334

Sexual behaviour of men that consulted in medical outpatient clinics in Western Switzerland from 2005-2006: risk levels unknown to doctors?

The most publicly justifiable application of human cloning, if there is one at all, is to provide self-compatible cells or tissues for medical use, especially transplantation. Some have argued that...Full Text Available

1999-04-01

335

Sequential interim analyses of survival data in DNA microarray experiments

BackgroundTo determine male outpatient attenders' sexual behaviours, expectations and experience of talking about their sexuality and sexual health needs with a doctor.MethodsA...Full Text Available

336

Segmentation of Myocardial Boundaries in Tagged Cardiac MRI Using Active Contours: A Gradient-Based Approach Integrating Texture Analysis

BackgroundDiscovery of biomarkers that are correlated with therapy response and thus with survival is an important goal of medical research on severe diseases, e.g. cancer. Frequently,...Full Text Available

337

Second Quarter Report Environmental Biosciences Program

The noninvasive assessment of cardiac function is of first importance for the diagnosis of cardiovascular diseases. Among all medical scanners only a few enables radiologists to evaluate the local cardiac...Full Text Available

2009-01-01

338

Safety and efficacy of silodosin for the treatment of benign prostatic hyperplasia

In May 2002, the United States Department of Energy (DOE) signed Assistance Instrument Number DE-FC09-02CH11109 with the Medical University of South Carolina (MUSC) to support the Environmental Biosciences Program (EBP). This funding instrument replaces DOE Assistance Instrument Number DE-FC02-98CH10902. EBP is an integrated, multidisciplinary scientific program, employing a range of research initiatives to identify, study and resolve environmental health risk issues. These initiatives are consistent with the Medical University's role as a comprehensive state-supported health sciences institution and the nation's need for new and better approaches to the solution of a complex and expansive array of environment-related health problems. The intrinsic capabilities of a comprehensive health sciences institution enable the Medical University to be a national resource for the scientific investigation of ...

2002-10-31

339

Lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH) are highly prevalent in older men. Medical therapy is the first-line treatment for LUTS associated with BPH. Mainstays...Full Text Available

2011-01-01

340

SNQ for medical research

Risperidone in the treatment of bipolar mania

The planned spallation source can be of considerable significance for biomedical basic research and for clinically relevant diagnostic and therapeutic applications. The following gives a brief description and explanations for its possible use in clinical medicine: I. Treatment of Malignant Tumors II. Production of Isotopes for Biochemical Investigations in Living Organisms for Diagnostic Purposes.

1984-12-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

341

Retention, Learning by Doing, and Performance in Emergency Medical Services

Atypical antipsychotic medications have assumed growing importance for the treatment of bipolar disorder, an illness that affects approximately 1.2%–3.7% of the general population in a given...Full Text Available

2006-06-01

342

Randomised controlled trial of disclosure of emotionally important events in somatisation in primary care

ObjectivesTo examine the strength of the volume–outcome relationship among paramedics, a group of providers that has not been previously studied in this context. By identifying...Full Text Available

2009-06-01

343

Radiation risks for medical applications

ObjectiveTo test whether a disclosure intervention improves subjective health and reduces medical consumption and sick leave in somatising patients in general practice.DesignNon-blind...Full Text Available

2001-07-14

344

The achievements made in the field of radiation protection over the past 20 years are outlined. Risk analysis as applied to medicine is considered and genetic significant doses, genetic risks, somatic effective doses and somatic risks are discussed. (C.F.).

1980-05-31

345

QUT - 2008 winners

... His work has been recognised with numerous honours, including Fellow of the Australian Academy of Science; International Research Scholarships from the Howard Hughes Medical Institute ; a Wellcome Trust Fellowship; the Glaxo-Wellcome Australia Medal; the Australian Academy of Science Gottschalk Medal; the Boehringer Mannheim Medal;...

346

Prostheses

Problems for clinical judgement: 2. Obtaining a reliable past medical history

... Previous Topic Pain Next Topic Scars and wounds Prostheses Prostheses (pross-THEE-sees) are man-made substitutes ... covered by medical insurance (this includes wigs). Breast prostheses: Contact your local chapter of the American Cancer ...

347

Problem-centric Organization and Visualization of Patient Imaging and Clinical Data

ORDINARY HUMAN REASONING MAY LEAD PATIENTS to provide an unreliable history of past experiences because of errors in comprehension, recall, evaluation and expression. Comprehension of a question may...Full Text Available

2001-03-20

348

Potentially Inappropriate Prescribing of Benzodiazepines for Older Adults and Risk of Falls During a Hospital Stay: A Descriptive Study

A patient’s electronic medical record contains a large amount of unstructured textual information. As patient records become increasingly dense owing to an aging population and increased occurrence...Full Text Available

2009-03-01

349

Positional Stretching of the Coracohumeral Ligament on a Patient with Adhesive Capsulitis: A Case Report

Background:Falls have been identified as a potential adverse event associated with the administration of psychotropic medications to older patients.Objective:The...Full Text Available

2009-07-01

350

Policy Progress for Physician Treatment of Opiate Addiction

Idiopathic frozen shoulder is a common medical diagnosis for patients seeking physical therapy. Radiographic and surgical evidence exists that describes the coracohumeral ligament (CHL) as a major contributor...Full Text Available

2009-01-01

351

Pericardiectomy for Pleuropericardial Effusion Complicating Bacterial Pneumonia

Medical treatment of heroin addiction with methadone and other pharmacotherapies has important benefits for individuals and society. However, regulatory policies have separated this treatment from the...Full Text Available

2002-05-01

352

Pediatric injuries in an Arabian Gulf country.

Severe pericardial effusion is a rare complication of bacterial pneumonia and it usually disappears under medical treatment. Herein we report a case of a girl with a congenital immunodeficient syndrome...Full Text Available

2010-01-01

353

Patient-reported-outcomes in subjects with painful lumbar or cervical radiculopathy treated with pregabalin: evidence from medical practice in primary care settings

OBJECTIVE: To determine the common types of injuries among children (0-14 years) in Al-Ain, United Arab Emirates (UAE). DESIGN: A retrospective descriptive hospital based study. SETTING: Al-Ain Medical...Full Text Available

1997-09-01

354

Partial (focal) seizure: MedlinePlus Medical Encyclopedia

The objective of this study was to evaluate the effect of pregabalin in painful cervical or lumbosacral radiculopathy treated in Primary Care settings under routine clinical practice. An observational,...Full Text Available

2010-06-01

355

PS1-25: Unintended Consequences of Implementing Healthcare Information Technology (HIT): A Survey of Users

Academy of Neurology and the American Epilepsy Society. Neurology. 2007;69:1991-2007. Rubin DH, Kornblau DH, Conway Jr EE, et al. Neurologic Disorders. In: Marx, JA, ed. Rosen's...

2011-08-30

356

Outcome of patients with systemic rheumatic disease admitted to medical intensive care units.

Background: Health information technologies (HIT) such as electronic medical records (EMR), computerized physician order entry (CPOE), and clinical decision support systems (CDSS) have...Full Text Available

2010-12-01

357

Opioids and the Treatment of Chronic Pain: Controversies, Current Status, and Future Directions

The outcome of patients admitted to intensive care units is known to be influenced by such factors as age, previous health status, severity of disease, and diagnosis. To estimate the outcome of such...Full Text Available

1992-05-01

358

New library buildings. Part VII. The Health Sciences Library of the University of Virginia.

Opioids have been regarded for millennia as among the most effective drugs for the treatment of pain. Their use in the management of acute severe pain and chronic pain related to advanced medical...Full Text Available

2008-10-01

359

Network information security in a phase III Integrated Academic Information Management System (IAIMS).

This article describes the new Health Sciences Library at the University of Virginia Medical Center in Charlottesville, Virginia. The library was under construction for about two years and opened in...Full Text Available

1976-07-01

360

Molar extinction coefficients of some biologically important substances

The developing Integrated Academic Information System (IAIMS) at Columbia-Presbyterian Medical Center provides data sharing links between two separate corporate entities, namely Columbia University...Full Text Available

1992-01-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

361

Methods to Quantify Pharmacologically Induced Alterations in Motor Function in Human Incomplete SCI

Reliable values of x-ray and gamma-ray attenuation coefficients of elements and compounds are required in spectrometry as well as in many other scientific, engineering and medical disciplines involving photon radiation

2002-11-15

362

Medical records documentation of constipation preceding Parkinson disease

Spinal cord injury (SCI) is a debilitating disorder, which produces profound deficits in volitional motor control. Following medical stabilization, recovery from SCI typically involves long term rehabilitation....Full Text Available

363

Medical Examinations for Public Safety^*

Objective:Parkinson disease (PD) may affect the autonomic nervous system and may cause constipation; however, few studies have explored constipation preceding the motor onset of...Full Text Available

2009-11-24

364

McMaster PLUS: A Cluster Randomized Clinical Trial of an Intervention to Accelerate Clinical Use of Evidence-based Information from Digital Libraries

Driving buses in London is an occupation in which the standards of fitness have been defined and in which the frequency of, and clinical reason for, exclusion from the occupation have been recorded.The...Full Text Available

1959-04-01

365

Management of patients with newly diagnosed malignant primary brain tumors with a focus on the evolving role of temozolomide

BackgroundPhysicians have difficulty keeping up with new evidence from medical research.MethodsWe developed the McMaster Premium...Full Text Available

2006-11-01

366

MULTIMODALITY IMAGING: BEYOND PET/CT AND SPECT/CT

The prognosis for patients with newly diagnosed malignant gliomas remains poor; however there have been some recent advances in treatment that have generated optimism. Medical management usually includes...Full Text Available

2007-12-01

367

Late-life depression with comorbid cognitive impairment and disability: nonpharmacological interventions

Multimodality imaging with PET/CT and SPECT/CT has become commonplace in clinical practice and in preclinical and basic medical research. Do other combinations of imaging modalities have a similar...Full Text Available

2009-09-01

368

JAMA Patient Page: Cardiopulmonary Resuscitation (CPR)

Less than half of older adults with depression achieve remission with antidepressant medications, and rates of remission are even poorer for those with comorbid conditions. Psychosocial interventions...Full Text Available

2010-01-01

369

Is the Kaiser Permanente model superior in terms of clinical integration?: a comparative study of Kaiser Permanente, Northern California and the Danish healthcare system

... of the American Medical Association JAMA PATIENT PAGE Cardiopulmonary Resuscitation W hen the heart stops beating (cardiac arrest), ... circulation (blood flow) returns or is restored. Providing cardiopulmonary resuscitation ( CPR ) is a way to keep some circulation ...

370

Investigation of the radiological safety concerns and medical history of the late Joseph T. Harding, former employee of the Paducah Gaseous Diffusion Plant

BackgroundIntegration of medical care across clinicians and settings could enhance the quality of care for patients. To date, there is limited data on the levels of integration in...Full Text Available

371

Interference by new-generation mobile phones on critical care medical equipment

An ex-employee's claims that inadequate enforcement of radiation safety regulations allowed excess radiation exposure thereby causing his deteriorating health was not substantiated by a thorough investigation.

1981-03-01

372

Impact of Geographical Proximity on Health Care Seeking Behaviour in Northern Oman

IntroductionThe aim of the study was to assess and classify incidents of electromagnetic interference (EMI) by second-generation and third-generation mobile phones on critical care...Full Text Available

2007-01-01

373

Impact and User Satisfaction of a Clinical Information Portal Embedded in an Electronic Health Record

Objectives:Despite its impact on health policy, the relationship between geographical proximity and health care seeking has received scant attention in the medical literature. This...Full Text Available

2008-11-01

374

Immunology and Homeopathy. 1. Historical Background

In 2008, a clinical information tool was developed and embedded in the electronic health record system of an academic medical center. In 2009, the initial information tool, Clinical-e, was superseded...Full Text Available

375

Image Engine: an object-oriented multimedia database for storing, retrieving and sharing medical images and text.

Homeopathy was born as an experimental discipline, as can be seen from the enormous amount of homeopathic data collected over more than two centuries. However, the medical tradition of homeopathy has...Full Text Available

2005-12-01

376

Identification of a Chemically Induced Point Mutation Mediating Herbicide Tolerance in Annual Medics (Medicago spp.)

This paper describes Image Engine, an object-oriented, microcomputer-based, multimedia database designed to facilitate the storage and retrieval of digitized biomedical still images, video, and text...Full Text Available

1993-01-01

377

How the Past Teaches the Future

Background and AimsSulfonylurea (SU) herbicides are used extensively in cereal–livestock farming zones as effective and cheap herbicides with useful levels of residual activity....Full Text Available

2008-05-01

378

Health professionals rarely record history of complementary and alternative medicines

More than 30 years of experience in developing a computer-based patient record system, The Medical Record (TMR), in multiple settings, in multiple specialty groups, and at multiple sites has taught...Full Text Available

2001-05-01

379

HEARTVIEW-A Knowledge Base to Support Clinical Research in Cardiology

AimsTo identify the completeness of documentation of Complementary And Alternative Medicine (CAM) use in hospital medical records of patients before and after an education programme.Full Text Available

2005-02-01

380

Expertise about herbs and dietary supplements among diverse health professionals

This paper presents HEARTVIEW - a knowledge base (KB) that offers aid for clinical research in cardiology. This KB is an essential component of the medical workstation MW2000, now under development...Full Text Available

1990-11-07

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

381

Evidence-based Research in Complementary and Alternative Medicine I: History

BackgroundHerbs and other dietary supplements are among the most commonly used complementary medical therapies. However, clinicians generally have limited knowledge, confidence and...Full Text Available

382

Contemporary Western medicine has witnessed a fragmentation of our conceptualization of the medical endeavor into ‘traditional medicine’ and ‘non-traditional medicine’....Full Text Available

2005-12-01

383

Elsevier

Effective audit trails--a taxonomy for determination of information requirements.

...comply with funding body archiving policies, including the policies put in place by the National Institutes of Health, The Wellcome Trust and the Howard Hughes Medical Institute . Delayed Access Select journals provide content to some or all of a journalrsquo;s backfile. For example, articles in ...

384

Editorial Comments, 1974-1986: The Case For and Against the Use of Computer-Assisted Decision Making

Current methods of detecting confidentiality breaches in electronic medical record systems are inadequate, partially due to the lack of necessary information at the point of audit trail analysis. In...Full Text Available

1999-01-01

385

Economic regulation and hospital behavior: the effects on medical staff organization and hospital-physician relationships.

Journal editorials are an important medium for communicating information about medical innovations. Evaluative statements contained in editorials pertain to the innovation's technical merits, as well...Full Text Available

1987-11-04

386

Disability and Psychologic Distress in Patients with Nonspecific and Specific Arm Pain

New forms of payment, growing competition, the continued evolution of multiunit hospital systems, and associated forces are redefining the fundamental relationship between hospitals and physicians....Full Text Available

1985-12-01

387

Dirt Cheap and Without Prescription: How Susceptible are Young US Consumers to Purchasing Drugs From Rogue Internet Pharmacies?

Psychological illness influences the experience and expression of pain and disability. We tested three null hypotheses: (1) patients with nonspecific pain (medically unexplained and idiopathic) and...Full Text Available

2008-11-01

388

Development of Korean Academy of Medical Sciences Guideline Rating the Physical Impairment; Kidney, Bladder, Urethra, Male and Female Reproductive Systems (Preliminary Report)

BackgroundWebsites of many rogue sellers of medications are accessible through links in email spam messages or via web search engines. This study examined...Full Text Available

389

Depression literacy among Australians of Chinese-speaking background in Melbourne, Australia

For the evaluation of the kidney impairment, serum creatinine concentrations or glomerular filtration rates are mainly used, and the conditions of solitary or transplanted kidney and chronic dialysis...Full Text Available

2009-05-01

390

Cost analysis of a project to digitize classic articles in neurosurgery*

BackgroundThis study investigated the knowledge of depression and preference for professional help, medications and treatment methods among Australians of Chinese-speaking background,...Full Text Available

391

Coping with Test Pain, Discomfort, and Anxiety

In summer 2000, the Cushing/Whitney Medical Library at Yale University began a demonstration project to digitize classic articles in neurosurgery from the late 1800s and early 1900s. The objective of...Full Text Available

2002-04-01

392

Confusion after spine injury: cerebral fat embolism after traumatic rupture of a Tarlov cyst: Case report

... Search Help? Coping with Test Pain, Discomfort, and Anxiety Introduction | Be Prepared | Know Your Tests | Relax | Conclusion ... though they may feel some embarrassment, discomfort, or anxiety at the outset. If undergoing medical tests makes ...

393

Comparative study of nonlinear properties of EEG signals of normal persons and epileptic patients

BackgroundAcute low back pain is a very common symptom and reason for many medical consultations. In some unusual circumstances it could be linked to a rare aetiology.Case...Full Text Available

394

Choking - infant under 1 year: MedlinePlus Medical Encyclopedia

BackgroundInvestigation of the functioning of the brain in living systems has been a major effort amongst scientists and medical practitioners. Amongst the various disorder of the...Full Text Available

395

Changes in Tetracycline Susceptibility of Enteric Bacteria following Switching to Nonmedicated Milk Replacer for Dairy Calves?

child becomes unresponsive, stops breathing, or turns blue: Shout for help. Give infant CPR. Call 911 after one minute of CPR. If you can SEE the object blocking the airway, try...

2011-08-30

396

Carotid Stenting vs Endarterectomy: New Results in Perspective

A randomized intervention study was conducted to determine if discontinuing use of calf milk replacer medicated with oxytetracycline results in increased tetracycline susceptibility in Salmonella...Full Text Available

2008-06-01

397

Calcium - blood test: MedlinePlus Medical Encyclopedia

Carotid artery stenosis is a major risk factor for stroke, and treatments for this condition to decrease the risk of stroke include medical therapy, carotid endarterectomy (CEA), and, more recently,...Full Text Available

2010-12-01

398

CDC - Media Relations - MMWR - June 4, 2004

Names Ca+2; Serum calcium; Ca++ References Wysolmerski JJ, Insogna KL. The parathyroid glands, hypercalcemia, and hypocalcemia. In: Goldman L, Ausiello D, eds. Cecil...

2011-08-30

399

Bleeding during cancer treatment: MedlinePlus Medical Encyclopedia

Drownings in Recreational Water Settings - United States, 2001-2002 While immediate CPR can save someone's life, often medical care in the hospital cannot prevent serious...

2011-09-24

400

Biotypology, Endocrinology, and Sterilization: The Practice of Eugenics in the Treatment of Argentinian Women during the 1930s

- flushing Chemotherapy - what to ask your doctor Dry Mouth Oral mucositis Peripherally inserted central catheter Radiation therapy - what to ask your doctor Safe drinking during...

2011-08-09

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

401

SUMMARYThis article looks at medical approaches to women’s fertility in Argentina in the 1930s and explores the ways in which eugenics encouraged the reproduction of the...Full Text Available

2007-01-01

402

Bioganix - About Us

Bilateral transtibial amputation with concomitant thoracolumbar vertebral collapse in a Sichuan earthquake survivor

... Since then he has pursued an academic career at the University of Bristol with a one year Fellowship at the the Howard Hughes Medical Institute in the USA. Through his work with ProXara (a biotechnology company) and committee work within Bristol University, Jeremy has amassed ...

403

Becoming a general practitioner - Which factors have most impact on career choice of medical students?

The devastating earthquake in Sichuan, China on 12 May 2008 left thousands of survivors requiring medical care and intensive rehabilitation. In view of this great demand, the Chinese Speaking Orthopaedic...Full Text Available

404

Approaches to enhancing the quality of drug therapy. A joint statement by the CMA and the Canadian Pharmaceutical Association. Canadian Medical Association.

BackgroundIn Germany, there is a shortage of young physicians in several specialties, the situation of general practitioners (GP) being especially precarious. The factors influencing...Full Text Available

405

Application of gamma radiation

This joint statement was developed by the CMA and the Canadian Pharmaceutical Association, a national association of pharmacists, and includes the goal of drug therapy, strategies for collaboration...Full Text Available

1996-09-15

406

Alton Ochsner's Card File: A Profile of Medical History

Described and discussed in this paper are radiation processes and their advantages over the conventional techniques. Radiation sterilization of medical products, food irradiation, wood plastic composites, and radiation treatment of sewage and waste waters are presented. The Philippine experience in using these technologies, its problems and barriers are also given. (ELC).

1985-12-10

407

Advances in the Clinical Care of Burned Patients

Alton Ochsner was a giant of American surgery. His career encompassed patient care, teaching, and research as symbolized on the original seal of the Ochsner Clinic. His ideas were innovative and groundbreaking...Full Text Available

2010-01-01

408

Actual and Potential Effects of Medical Resident Coverage on Reimbursement for Inpatient Visits by Attending Physicians

Very few areas of medical science have experienced more rapid development of new and beneficial treatment approaches during the past two decades than the disciplines required for total care of patients...Full Text Available

1975-10-01

409

Accelerated surgical stay programs. A mechanism to reduce health care costs.

CONTEXTThe impact of residents on hospital finance has been studied; there are no data describing the economic effect of residents on attending physicians.OBJECTIVEIn...Full Text Available

2002-06-01

410

A simple nomogram for sample size for estimating sensitivity and specificity of medical tests

OBJECTIVE: To increase cost-efficiency while maintaining the standard of medical care, an accelerated surgical stay program for patients having breast surgery was instituted. SUMMARY BACKGROUND DATA:...Full Text Available

1994-04-01

411

A non-local approach for image super-resolution using intermodality priors ?

Sensitivity and specificity measure inherent validity of a diagnostic test against a gold standard. Researchers develop new diagnostic methods to reduce the cost, risk, invasiveness, and time. Adequate...Full Text Available

2010-11-01

412

A Patient Survey Assessing the Awareness and Acceptability of the Emergency Care Summary and Its Consent Model in Scotland

Image enhancement is of great importance in medical imaging where image resolution remains a crucial point in many image analysis algorithms. In this paper, we investigate brain hallucination...Full Text Available

2010-08-01

413

A Multi-Worksite Analysis of the Relationships among Body Mass Index, Medical Utilization and Worker Productivity

BackgroundThe Emergency Care Summary (ECS) was introduced in 2006 to allow aspects of the general practitioner (GP; family doctor, equivalent to primary care physician) medical record...Full Text Available

414

A Longitudinal Study of Medicaid Coverage for Tobacco Dependence Treatments in Massachusetts and Associated Decreases in Hospitalizations for Cardiovascular Disease

BackgroundThe relationships between worker health and productivity are becoming clearer. However, few large scale studies have measured the direct and indirect cost...Full Text Available

2010-01-01

415

BackgroundInsurance coverage of tobacco cessation medications increases their use and reduces smoking prevalence in a population. However, uncertainty about the impact of this coverage...Full Text Available

2010-12-01

416

The medical exposures to ionizing radiations, it is a world priority in radiation protection

... York, 7/15/2008) Cancers Adrenal Gland Cancer Laparoscopic Adrenalectomy (Shawnee Mission Medical Center, Shawnee Mission, KS, ... MN, 1/24/2007) Colorectal Cancer Advances in Laparoscopic Colorectal Surgery (Charles E. Schmidt College of Biomedical ...

417

Study of physical properties of protons and "1"2C ions in medical application

The document published under A/63:46 and titled report of the scientific committee of United Nations for the study of ionizing radiations effects, gives the situation of the fifty sixth session of the committee that stood at Vienna from the 10. to 18. july 2008. In the chapter 3 of this report the writers summarize the strategic planning and the working program of the scientific committee for the period 2009-2013. They note that the committee worry about the inadequate means, particularly in personnel. The priorities for the given period will be the medical exposure of patients, the radiation levels and the effects of energy production, the exposure to natural radiation sources and the improvement of the understanding of the effects of the low doses radiation exposure. (N.C.)

418

State of Surgery in Tropical Africa: A Review

Depending on their unique physical properties, proton and heavy ions have taken an irreplaceable role in modern means of tumor treatment. One-step process and two-step process physical models were employed to explain the mechanism of ion energy loss. The transport process of proton and "1"2C in water was simulated by Geant4 toolkit to study the physical properties of ion beam. The calculation results were discussed, which showed the advantages and disadvantages of proton and "1"2C in the medical application. (authors)

2009-06-01

419

British Library Electronic Table of Contents (United Kingdom)

This is a review of recently published literature on surgery in tropical Africa. It presents the current state of surgical need and surgical practice on the continent. We discuss the enormous burden of surgical pathology (as far as it is known) and the access to and acceptability of surgery. We also describe the available facilities in terms of equipment and manpower. The study looked at the effects of the human immunodeficiency virus, the role of traditional healers, anesthesia, and the economics of surgery. Medical training and research are discussed, as are medical migration out of Africa and the concept of task shifting, where surgical procedures are performed by others when surgeons are not available. It closes with recommendations for involvement and action in this area of great glob...

2011-01-01

420

Palliation of radiation-related mucositis

Guidelines on the medical therapy of persons accidentally overexposed to ionizing radiations. External contamination

Oral mucositis associated with head and neck radiotherapy can substantially hinder completion of cancer therapy. Alleviation of this often severe stomatitis can provide enhanced patient comfort and facilitate appropriate care. A double-blind format was used in a pilot project to measure, against a control rinse, the effectiveness of an oral rinse consisting of hydrocortisone, nystatin, tetracycline, and diphenhydramine in controlling radiation-related mucositis. A combination of clinical evaluation and patient responses to a questionnaire was used to judge the results of the topical medications. Patients using the experimental medication developed less mucositis than did patients in the control group.

1990-01-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

421

Development of power supplies for compact medical synchrotron

The document represents a guide for the external decontamination of persons accidentally radio contaminated due to the use, production or transport of radioactive materials. The general conditions, from the medical point of view, to be kept in mind, in the event of accidental overexposures as decontamination treatment and the handling of samples are detailed throughout report. The external contamination without injury in skin or with wound its considered. The distribution of measures and responsibilities for the therapy of the irradiated patients with radioactive materials are enumerated. The preparations of decontaminate solutions are detailed in this work. Moreover, forms for the reception, physical evaluation of the patient and external contamination are presented. (author)

422

Computer vision approaches to medical image analysis. Revised papers

A compact medical synchrotron is being developed which aims to promote the advanced radiotherapy based on the accelerator. As it is small-sized, a high field dipole magnet of 3 T at 200 kA is used. It is excited by the discharge current of the capacitor bank of which waveform is half sinusoidal. To provide with the flat field of 10 - 20 #mu#s duration for the multi-turn injection an additional power supply is developed. For the quadrupole magnet a 100 kHz switch-mode power supply is adopted as it requires the fine tuning and accurate field tracking to the dipole field. (author)

2005-06-01

423

Transversal bearing device for a nuclear reactor component, transversal bearing device for a PWR steam generator and its adjusting process

This book constitutes the thoroughly refereed post proceedings of the international workshop Computer Vision Approaches to Medical Image Analysis, CVAMIA 2006, held in Graz, Austria in May 2006 as a satellite event of the 9th European Conference on Computer Vision, EECV 2006. The 10 revised full papers and 11 revised poster papers presented together with 1 invited talk were carefully reviewed and selected from 38 submissions. The papers are organized in topical sections on clinical applications, image registration, image segmentation and analysis, and the poster session. (orig.)

2006-07-01

424

The use of combustible metals in explosive incendiary devices

The lateral bearing device is made of 7 lateral supports, each positioned to allow the displacement of the steam generator due to thermal or seismic effects. Each support includes a buffer plate that can be positioned on the steam generator using a position control assembly. This control assembly consists of a screw jack arrangement where the nut is fastened via an energy absorbing layer to a footplate that is fixed to the concrete wall of the steam generator enclosure. 4 figs.

1992-03-31

425

Simulation of High Power Deposition on Target Materials: Applications in Magnetic, Inertial Fusion, and High Power Plasma Lithography Devices

We have investigated tailoring damage effects of explosive devices by addition of unconventional materials, specifically combustible metals. Initial small-scale as well as full-scale testing has been performed. The explosives functioned to disperse and ignite these materials. Incendiary, enhanced-blast, and fragment-damage effect have been identified. These types of effects can be used to extend the damage done to hardened facilities. In other cases it is desirable to disable the target with minimal collateral damage. Use of unconventional materials allows the capability to tailor the damage and effects of explosive devices for these and other applications. Current work includes testing of an incendiary warhead for a penetrator.

1996-08-01

426

SEU hardening of field programmable gate arrays (EPGAS) for space applications and device characterization

High power and particle deposition on target materials are encountered in many applications including magnetic and inertial fusion devices, nuclear and high energy physics applications, and laser and discharge produced plasma devices. Surface and structural damage to plasma-facing components due to the frequent loss of plasma confinement remains a serious problem for the Tokamak reactor concept. The deposited plasma energy causes significant surface erosion, possible structural failure, and frequent plasma contamination.

2006-01-01

427

PLZT electrooptic shutters: applications

Field Programmable Gate Arrays (FPGAs) are being used in space applications because of attractive attributes: good density, moderate speed, low cost, and quick turn-around time. However, these devices are susceptible to Single Event Upsets (SEUs). An approach using triple modular redundancy (TMR) and feedback was developed for flip-flop hardening in these devices. Test data showed excellent results for this circuit topology. Total dose and Single Event Effect (SEE) testing have been performed on recently released technologies. Failures are analyzed and test methodology is discussed.

1994-07-18

428

Optical properties of proton-irradiated polymers

Advances in the development of several electrooptic shutter devices utilizing the quadratic electrooptic effect of lead lanthanum zirconate titanate (PLZT) ceramic wafers are described. Aperture sizes utilized in these PLZT devices ranged from 25 ..mu..m to 0.25 m. Practical applications of the shutters discussed in this paper include eye protection in military and industrial applications, a goggle-type device with dual synchronously operated PLZT shutters for use in a stereoscopic three-dimensional TV display, an electrically controlled variable density filter for use with vidicon tubes, a large-aperture photographic shutter for image motion compensation cameras, and a page composer for use in a holographic memory system.

1975-08-01

429

Observation of theoretical power saturation by the KHI free electron laser device

Recently, organic semiconducting materials have gained a broad interest due to their potential for organic electronic devices such as organic light emitting diode (OLED), organic photovoltaic devices and organic field-effect transistors (OFETs). Optical properties of organic semiconducting materials are important for practical application. For example, the power conversion efficiency of organic photovoltaic devices is mainly affected by absorption properties of organic materials. Proton irradiation is one of the efficient methods to change the optical properties of organic materials. In this paper, we investigate the changes of optical properties of various polymers using the proton irradiation.

2009-05-15

430

Mechanical variations of diffused plasma parameters in a double plasma device

The saturation of free electron laser (FEL) output power by the KHI-FEL device was achieved on 3rd, October 2000 at the wavelength of 9.3 #mu#m. The FEL device has operated thereafter successfully in the wavelength region between 4.0 and 16.0 #mu#m. The macropulse average FEL power of 37.5 kW, which is the theoretical saturation level, has been obtained at the wavelength of 7.9 #mu#m. The net FEL gain was estimated to be 16%. (author)

2002-01-01

431

Ionizing radiation hardening procedure of CCD's

Experimentally it is shown that a movable grounded metallic plate placed inside a multi-dipole magnetic cage can vary the diffused plasma parameters such as density, plasma potential and electron temperature. Plasma is solely produced in the source section of a double plasma device by a dc hot filament discharge and a low-density plasma is produced in the target section by local ionization of neutral gas by the high energetic electrons coming from the source section. A grounded movable stainless steel plate is inserted in the target section of the device. The floating potential of the plate also changes depending on the position of the plate inside the magnetic cage.

2007-06-21

432

Experimental study of beam optics and energy recovery for high-energy electron cooling device

The procedure of charge-coupled devices (CCD) are investigated by using MOS capacitors for enhancing their ionizing radiation tolerance. Authors have found that the gate oxidation temperature, thickness of SiO_2 gate insulator and high temperature processes after gate oxidation are crucial for determining the radiation tolerance of the devices, and proposed to decrease the thickness of gate insulator, perform gate oxidation at 1000 deg C by means of dry oxidation and minimize the number of high temperature procedure steps after gate oxidation. All stated above is a necessary preparation for priducing radiation hardened charge-coupled devices.

433

Device for increasing the decontamination factor in the treatment of radioactive waste water. Vorrichtung zur Erhoehung der Dekontaminationsfaktoren bei der Aufbereitung radioaktiver Abwaesser

The feasibility of a high-energy electron cooling device has been studied through tests on a prototype of the electron device. The apparatus consists of a pulsed ((20-60) keV, 2#mu#s) electron gun, a drift region 1 m long and of a depressed collector for recovering the electron energy. Tests on beam optics and energy recovery have been performed, a high-energy recovery efficiency has been attained. Experimental results are discussed in this paper.

434

Design of a 2 T multipole wiggler insertion device for the SRS

In the well-known devices for increasing the decontamination factor in the treatment of radioactive waste water by evaporation, which consist of narrowing devices with evaporator sump and condenser, droplets of liquid and solid particles are carried over from the breeder space, which are radioactive and therefore make the decontamination factor worse. Better results are obtained if one places a fibre bed filter between the evaporator sump and the condenser, preferably in a horizontal connecting pipe between the evaporator sump and the condenser.

1982-06-09

435

Application of the GEM shutdown device to the FFTF reactor

Two new identical insertion devices have been designed for the Daresbury SRS. They are 2T permanent-magnet multipole wigglers that will provide high flux in the X-ray region. This paper describes the magnetic and mechanical design of the arrays of steel pole pieces and permanent-magnet blocks. Also given is the engineering design of the support structure that will cope with the very large forces present while maintaining high levels of precision in gap setting and parallelism. The engineering design has been fully assessed using finite-element techniques to predict the deflections of critical parts of the structure. These two devices are due to be installed into the SRS by the end of 1998.

1998-05-01

436

Application of the GEM shutdown device to the FFTF reactor

A novel device called the gas expansion model (GEM) is being developed at the Hanford Engineering Development Laboratory for testing in the 400-MW(th) fast flux test facility (FFTF) reactor. Incorporation of the GEM into liquid-metal reactor designs is intended to measurably contribute to the achievement of inherent safety, by allowing the reactor to passively shut down even in the extremely remote (hypothetical) event of an unprotected (no scram) loss-of-flow accident. The purpose of this paper is to describe the GEM and present predictive analyses of the effectiveness of the device during unprotected loss-of-flow experiments in the FFTF.

1986-01-01

437

Time Integrating Optical Signal Processing

A novel device called the gas expansion model (GEM) is being developed at the Hanford Engineering Development Laboratory for testing in the 400-MW(th) fast flux test facility (FFTF) reactor. Incorporation of the GEM into liquid-metal reactor designs is intended to measurably contribute to the achievement of inherent safety, by allowing the reactor to passively shut down even in the extremely remote (hypothetical) event of an unprotected (no scram) loss-of-flow accident. The purpose of this paper is to describe the GEM and present predictive analyses of the effectiveness of the device during unprotected loss-of-flow experiments in the FFTF.

1986-11-16

438

Surgeons' beliefs and perceptions about removal of orthopaedic implants

... The acousto-optic device have a 30 MHz 1 ... coherent systems including compact non-coherent optical ... a relatively simple phase switching approach. ...

1981-07-01

439

Studies of Non-Linear Optical Effects for Agile Beam Steering

BackgroundThe routine removal of orthopaedic fixation devices after fracture healing remains an issue of debate. There are no evidence-based guidelines on this matter, and little...Full Text Available

440

Silicon solar cell assembly

... electronic feedback system' connected to a Q switch ... The use of acousto-optic (AO) beam steering devices for BMDO (SDI) applications is very ...

1993-11-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

441

STUDY OF FAILURE AND RELIABILITY IN MICROELECTRONIC DEVICES 3rd ...

A silicon solar cell assembly comprising a large, thin silicon solar cell bonded to a metal mount for use when there exists a mismatch in the thermal expansivities of the device and the mount.

1979-01-01

442

Photonic Devices and Systems for Optical Signal Processing

It is well known that the growth of purple plague is tempera- ture dependent. in Figure 2 which shows the progressive growth of purple ...

443

Pathways for the degradation of organic photovoltaic P3HT:PCBM based devices

... lasers, model switched optical memory elements ... Optical RS flip flop, Acousto-optic switches. ... FLOP CIRCUITS, OPTICAL SWITCHING, NOR GATES ...

1993-08-01

444

Materials for air turbines in wave power devices. A generic study

We report on studies of device degradation in organic photovoltaic devices based on blends of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61-butyric acid methyl ester (PCBM). Since delamination, oxidation, and chemical interactions at the metal electrode/organic interface have long been posited as degradation pathways in organic electronic devices, we first investigated the stability of a variety of electrodes for devices stored in an inert, dark environment. Second, a set of experiments was designed to separate the effects at the metal/organic interface from the degradation of the active layer or the hole extraction interface. To do this, Ca/Al electrodes were deposited to complete half of a substrate's devices, and samples were left both under constant illumination and 10% illumination (10% duty cycle of 1 sun illumination) in a glovebox environment. After more than ...

2008-07-15

445

Integration of Microdialysis Sampling and Microchip Electrophoresis with Electrochemical Detection

Wave energy device teams have identified three varieties of air turbine as potentially applicable to wave energy devices. These are: conventional axial turbines; Wells, or self-rectifying, axial turbines and Francis turbines. This report examines the constructional requirements of these devices with regard to mechanical, environmental and manufacturing considerations. It is concluded that the major benefit of optimum material selection will be reduced manufacturing costs rather than enhanced turbine performance. A methodology of material selection has been established and candidate materials have been listed for the major components of each turbine type. Comparative costs for alternative materials are included, from which significant, potential economies have been identified. Recommendations are made aimed at achieving optimum material usage in the proposed turbines.

1981-01-01

446

Integrated Optics Anisotropic Waveguides and Devices

Here we describe the fabrication, optimization, and application of a microfluidic device that integrates microdialysis (MD) sampling, microchip electrophoresis (ME), and electrochemical detection...Full Text Available

2008-12-01

447

... silicon oxide (BSO), bismuth germanium oxide (BGO), and bismuth titanium oxide (BTO). These crystals are electro-optic, optically active, ...

1989-04-30

448

IEEC - Home

High energy heavy ion irradiation in semiconductors

2011-08-02

449

Gas-insulated switching devices from Grossauheim for safe power transmission and distribution. Worldwide in use; Gasisolierte Schaltanlagen aus Grossauheim fuer die sichere Stromuebertragung und -verteilung. Weltweit im Einsatz

Pd/n-Si and Pd/n-GaAs devices have been irradiated from high energy ({approx}100 MeV) heavy ions of Au{sup 7+} (gold) and Si{sup 7+} (silicon) to study the irradiation effects in these junction devices on semiconductor substrates. The devices have been characterized from I-V and C-V studies for electronic flow characterization. It has been found that the devices become high resistive on the irradiation and the substrates change the conductivity type from n- to p- on the irradiation of fluence of {approx}10{sup 12}-10{sup 13} ions/cm{sup 2}. The change in conductivity type has been understood as a result of creation of deep acceptors on the irradiation.

1999-07-02

450

Focused ion beam fabrication and properties of nanoscale Josephson junctions for sensors and other applications

No abstract prepared.

2004-11-29

451

Fault Tolerant Considerations and Methods for Guidance and ...

The methods of superconducting device fabrication by lithography and multilevel processing usually require a number of processing steps with lithographic resolution and alignment adequate for the scale of the device be fabricated. As an alternative, the focused ion beam (FIB) microscope is increasingly being used directly to fabricate devices. A major advantage of using a FIB compared to other lithography methods is its flexibility and high resolution. It allows in-situ, milling (#propor to#5 nm at a beam current of 1 pA) to a variety of depths, and imaging (2 nm) of the sample. In this paper we describe our development of junction fabrication techniques using the FIB and their application in creating a range of potential sensor devices and quantum electronics applications. (copyright 2005 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) (orig.)

2005-03-01

452

... Thus. thi, characteristic further buggeots, other things unchanging, that the more *multifunction" the ccna ;Ituent devices ari., t~he more efficienit the ...

1987-07-01

453

Explosives sensor

Evaluation of Commercial Magnetic Descalers.

A compact and supersensitive device that can rapidly detect minute trace vapors from concealed explosives has been developed by scientists at Oak Ridge National Laboratory (ORNL). The new explosives sensor can detect and chemically identify organic nitrogen-oxygen compounds which are the building blocks of explosives such as TNT, plastiques, and nitroglycerine. The device could be used to scan persons entering airport terminals, nuclear power plants, defense installations, or other sensitive locations, providing greater security against potential terrorism. This device works on a glow discharge principle, and is more specifically called an ''Atmospheric Sampling Glow Discharge Ionization'' (ASGDI) source. The new detector is a highly automated, miniaturized version of research mass spectrometers widely used to trace constituents of chemical mixtures. Detail of this ...

1987-01-01

454

Electrically Tunable Terahertz Quantum-Cascade Lasers

With the increased costs of maintaining boilers and chillers entrepreneurs around the country have offered magnetic and similar devices to facilities as viable alternatives to their maintenance program. This report gives a brief history of some of the pre...

1984-01-01

455

Device for transporting loads, especially for belt driving stations in open pit mining

Improved quantum-cascade lasers. (QCLs) are being developed as electri- ... These devices would supplant gas lasers as far-infrared sources. ...

456

Conjugate Heat Transfer Predictions of a Combustor ...

A device is described for transporting loads, especially for moving belt driving stations in open pit mining operations with a propelling mechanism which for lifting a respective load is operable to move into a free space formed by the load with the ground. The device comprises a plurality of lifting mechanisms, by means of which, a lifting platform can be brought into engagement with a supporting surface of the load. The device comprises at least one supporting member which is so designed that it prevents the lifting platform from lifting off lifting mechanisms. Furthermore, means are provided which permit a turning of the lifting platform relative to the lifting mechanisms about a vertical axis which is arranged in a certain relationship to the propelling mechanism.

1977-07-19

457

Comparative evolution of various CCD image sensors hardening techniques with ionizing radiation

... To maximise heat transfer rates, many heatshield designs make use of heat transfer augmentation devices such as large numbers of pin-fin ...

2003-03-01

458

Benefits of Using the Photosimulation Laboratory Environment ...

This paper reviews various techniques to harden Charged Coupled Device (CCD) sensors and the results after irradiation of three Thomson n buried channel CCDs having a different degree of hardening. It describes the major irradiation effects on CCD performances and it makes a comparison of the results between the different hardening levels. It shows good results on dark voltage after ionizing radiation for TH 7863M device hardened both by design and by operating conditions (MPP mode) with respect to the standard device TH 7863A. The irradiations were performed with "6"0Co or X-ray (10 keV) sources on devices in operating mode. (author). 3 refs., 8 figs.

459

Analysis by mass spectroscope device provided with ion source of induced plasma

... with the ability to capture imagery in raw 24-bit format, combined with large memory storage devices enable high resolution imagery to be captured ...

2002-08-01

460

A radiation monitoring system for nuclear fusion devices

This chapter consists of some points including an introduction, the basic parts of mass spectroscope device, sample introduction into the inductively coupled plasma, pneumatic nebuliser, ultrasonic nebuliser, dry gas cloud system, laser ablation unit, inductively coupled plasma-ion source, extraction of ions from ion source, mass analysis, quad-polar mass spectrometer, dual assembly mass spectrometer, mass spectrometer by calculation of time of flight, ion interferences and the ability of resolution, ion counter, working conditions of inductively coupled plasma mass spectroscope device, efficiency of ion transportation in an inductively coupled plasma mass spectroscope device and applications of analysis using mass spectroscope of induced plasma including nuclear, industrial, geological, environmental and archaeological applications, measurement of isotopes ratio and applications in tracing crimes.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

461

A motor-driven hoisting winch with a safety-braking device

Fusion device produces high-level neutrons and #gamma#-rays, which would hazard the safety of the public and workers if the doses would be higher than the regulatory limits because of leakage from the bio-shielding and skyshine. It is essential to monitor the radiation doses in the workshop and the enumerative around fusion devices. A radiation monitoring system (RMS) for full (near and far) areas around a nuclear fusion device has been designed and developed, which can achieve the monitoring and controlling of radiation doses in the workshop area by using the Controller Area Network (CAN), in the institution area by using the Bluetooth Ad hoc network based on a new tree topology formation and routing protocol and in a long range environment by using the General Packet Radio Service (GPRS) network. (authors)

2005-12-01

462

Isotope Production at the Hanford Site in Richland, Washington

... brakes reactor charging machines reactors machine parts Int. Cl. B66d5/00;

463

Concept of malignant significant factor and its applicability for and occupational exposures

This report was prepared in response to a request from the Nuclear Energy Research Advisory Committee (NERAC) subcommittee on ''Long-Term Isotope Research and Production Plans.'' The NERAC subcommittee has asked for a reply to a number of questions regarding (1) ''How well does the Department of Energy (DOE) infrastructure sme the need for commercial and medical isotopes?'' and (2) ''What should be the long-term role of the federal government in providing commercial and medical isotopes?' Our report addresses the questions raised by the NERAC subcommittee, and especially the 10 issues that were raised under the first of the above questions (see Appendix). These issues are related to the isotope products offered by the DOE Isotope Production Sites, the capabilities and condition of the facilities used to produce these products, the management of ...

1999-06-01

464

The somatically significant dose, SSD, and analog of the GSD, the genetically significant dose

In the medical and occupational exposures, there is a tradition to use the genetically significant dose as an index of harm to the population although it only includes the genetical effects from ionizing radiations. A similar significant dose for somatic effects such as radiation leukemogenesis and carcinogenesis should be added to the genetically significant dose in order to approach an index of total harm to the population from medical and occupational exposures. For this purpose, leukemia and malignant significant factors were determined based on the induction of malignant diseases including leukemia for the atomic bombs in Hiroshima and Nagasaki and the life expectancy of individuals subject to medical examinations or treatments as well as radiation workers, taking account of the possibility of their deaths due to other diseases or accidents during a latent period of malignant diseases. The resultant significant factors ...

1980-01-01

465

Physical aspects of quality assurance in radiotherapy: A protocol for quality control

The medical applications of radiation comprise three main fields namely: Diagnostic Radiology, Radiotherapy and Nuclear Medicine. With the new weighting factors of ICRP (IC91a) the effective dose due to medical applications can be established. I is common to separate the effective dose into the genetic part and the somatic part, SED. In dealing with gonad doses it is important to account for the age of the person at the time of exposure as this will influence the number of children still to be expected from that person. The resulting dose will then be called the genetically significant dose, GSD. In a similar fashion this age factor will be important in considering the chance of tumor induction. The age of patients differs considerably from the average age of the general population. This age difference has to be accounted for if a comparison is to be made with other sources of radiation. This justifies establishing a somatically significant ...

1991-11-01

466

Improving safety and quality: how can education help?

In consistency with the increasing requests from Member States for establishing radiotherapy programmes, an IAEA Technical Co-operation project was initiated in Latin America aimed at improving the physical aspects (as a complement to the clinical issues) of quality assurance in radiotherapy; this ARCAL XXX project (RLA/6/032) was classified as a Model Project of the IAEA. Among the important outcomes of the project were (i) the training of a considerable number of medical physicists in hospitals of the region, (ii) the development of a protocol for quality control procedures, and (iii) the organization of quality audit site visits (to the participant countries) where the implementation in hospitals of the developed quality control procedures is verified. The present publication is the protocol for quality control of the physical aspects of radiotherapy. It contains detailed procedures on what should be measured by a medical physicist in a ...

2009-06-21

467

Approximate fuzzy C-means (AFCM) cluster analysis of medical magnetic resonance image (MRI) data

National efforts to improve the quality and safety of health care present challenges for medical education and training. Today's doctors need to be skilled communicators who know how to identify, prevent and manage adverse events and near misses, how to use evidence and information, how to work safely in a team, how to practise ethically, and how to be workplace teachers and learners. These competencies (knowledge, skills and attitudes) are set out in the National Patient Safety Education Framework (NPSF) of the Australian Council for Safety and Quality in Health Care. The NPSF is designed to help medical schools, vocational colleges, health organisations and private practitioners develop curricula to enable health professionals to work safely. The NPSF describes what doctors (depending on their level of knowledge and experience) can do to demonstrate competencies in a range of quality and safety activities. Medical ...

2006-05-15

468

Acanthamoeba Keratitis at the King Khaled Eye Specialist Hospital

The authors describe the application of an approximate fuzzy C-means (AFCM) clustering algorithm as a data dimension reduction approach to medical magnetic resonance images (MRI). Image data consisted of one T1-weighted, two T2-weighted, and one T2*-weighted (magnetic susceptibility) image for each cranial study and a matrix of 10 images generated from 10 combinations of TE and TR for each body lymphoma study. All images were obtained with a 1.5 Tesla imaging system (GE Signa). Analyses were performed on over 100 MR image sets with a variety of pathologies. The cluster analysis was operated in an unsupervised mode and computational overhead was minimized by utilizing a table look-up approach without adversely affecting accuracy. Image data were first segmented into 2 coarse clusters, each of which was then subdivided into 16 fine clusters. The final tissue classifications were presented as color-coded anatomically-mapped images and as two and three dimensional ...

469

Treatment of uteral cancer by the brake irradiation (25 MeV)

To quantify the number of cases and clinical courses of Acanthamoeba keratitis treated at the King Khaled Eye Specialist Hospital (KKESH) between December 1982 and May 2005, and to review their clinical course and response to medical and surgical therapy. Retrospective review of medical records of all patients with Acanthamoeba keratitis diagnosed by the KKESH Microbiology or Pathology or Pathology Laboratory since the opening of the hospital. During a period of over 22 years, only six cases of confirmed. Acanthamoeba keratitis were diagnosedand treated at KKESH. In two cases the diagnosis was made by corneal biopsy, while four cases required examination of a histopathology specimen obtained at the time of therapeutic keratoplasty to establish the diagnosis. One eye was cured by medical therapy, while five eyes required one (4eyes) or two (1 eye) therapeutic penetrating keratoplasty (PKP) to achieve a clinical cure. Three ...

470

The first insertion devices at SSRL - some personal recollections

The method of treatment of uteral cancer by the brake irradiation of 25 MeV betatrone using original devices which promote forming therapeutic figured bunches is presented. The binding of the protective blocks with a special adjusting frame within the aperture of the diaphragm provided for low relative entering dose which is the advantage of high energy irradiation bunch. The use of the forming devices makes it possible to practice individual treatment and decrease the levels of irradiation doses for intact organs and tissues.

471

The effects of spatial location of defect states on the switching characteristics of amorphous and polycrystalline silicon thin film transistors: A numerical simulation using AMPS 2-D

The author recounts his experiences with insertion devices at the Stanford Synchrotron Radiation Laboratory. His first experiences with wigglers occured at the Cambridge Electron Accelerator, and was carried over to SSRL with the proposal for a six pole electromagnetic wiggler. Most modern undulators, and many wigglers are now designed around permanent magnets, and the origin of this transition at SSRL was rather fortuitous and humorous. It reflects some of the personality characteristics of Klaus Halbach.

1995-02-01

472

The THz Radiation from Undulator

We demonstrate a two-dimensional device simulator for MOSFET structures that incorporates models for defect distributions and show predicted effects on device switching performance for various spatial distributions of defects in amorphous and polycrystalline silicon.

1994-06-01

473

Proton beam therapy control system

The experimental device for generation of undulator radiation in terahertz wavelength region by use of undulator with ferromagnets is created. The device is based on a beam of a microtron with the energy 7.5 MeV. The radiation wavelength is 200 mu. Registered spontaneous radiation has a power 10{sup -6} W at a current of a beam 2 mA in a pulse. With the optical resonator, in a mode, the amplification of 6% is received, that in sometimes is more than the expected value. This effect is explained as a result of partial coherence of radiation.

2010-02-03

474

Physical modeling of flow control device test in intake structure

A tiered communications architecture for managing network traffic in a distributed system. Communication between client or control computers and a plurality of hardware devices is administered by agent and monitor devices whose activities are coordinated to reduce the number of open channels or sockets. The communications architecture also improves the transparency and scalability of the distributed system by reducing network mapping dependence. The architecture is desirably implemented in a proton beam therapy system to provide flexible security policies which improve patent safety and facilitate system maintenance and development.

2010-09-21

475

Phantom simulation device for scintillation cameras

The seawater in the intake structure flows into the large pump to with draw excess heat from the turbine steam condenser. In the intake structure of a nuclear power plant, undesirable pump operating characteristics such as vortices, impeller damages and non-uniform pump-approach flow around the pump bells take place frequently due to poorly-arranged intake geometry. In this study, physical modeling test was performed to predict the hydraulic phenomenon, and proposed flow control devices.

2000-05-01

476

PV Conversion Technologies, Session: OPV, Sensitized, Seed (Presentation)

A phantom simulation imaging quality control device is described that effectively simulates one centimeter lesions, using steel ball bearings as gamma ray attenuators. The bearings are mounted in a synthetic resinous sheet in an orthogonal pattern. The phantom can provide uniformity, resolution, linearity, distortion and field size checks, all with a single exposure.

1981-08-25

477

On the Uniqueness of Solutions of a Nonlinear Elliptic Problem Arising in the Confinement of a Plasma in a Stellarator Device

The NREL Sensitized Solar Cell (SSC) Core Program supports the Solar America Initiative by: (1) targeting new devices and processes for commercialization by 2015 that are less expensive, more efficient, highly reliable, and environmentally benign; (2) collaborating with DOE OS/BES to conduct basic research targeting breakthroughs in key areas, such as ultra-high efficiency and/or ultra-low cost materials and devices.

2008-04-01

478

New safety device announced for nuclear power plants

We study the uniqueness of solutions of a semilinear elliptic problem obtained from an inverse formulation when the nonlinear terms of the equation are prescribed in a general class of real functions. The inverse problem arises in the modeling of the magnetic confinement of a plasma in a Stellarator device. The uniqueness proof relies on an L"#infinity# -estimate on the solution of an auxiliary nonlocal problem formulated in terms of the relative rearrangement of a datum with respect to the solution.

479

MOS device chemical response reversal with temperature

An Ottawa-based company, ECS-Power Systems Inc., has successfully completed a series of tests on an innovative device called a hydrodynamic port (HDP), which makes it possible to automatically initiate and maintain emergency cooling of a nuclear reactor core by natural processes, without relying in any way on human intervention, instrumentation, electric power, valves or moving parts of any kind.

480

British Library Electronic Table of Contents (United Kingdom)

Biased above threshold (VT), pulsed photocurrent (u) measurements on windowed silicon Pd gate MOS capacitors are shifted (DV) negatively by H2/N2, whereas Au gates shift positively under NO2/air. Below VT, the shifts are reversed by adjustments of interface state population. Minor temperature increases may coax the device from inversion to depletion, inducing sign reversal of the chemical response.

2010-01-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

481

Josephson junctions as heterodyne detectors

In a spin over power fluidics

Heterodyne detection with a point-contact Josephson junction has been investigated both experimentally and theoretically. The measured performance of the device at 36 GHz is in good agreement with the theory. By operating vanadium point contacts at 1.4 K, the authors have achieved a single-sideband (SSB) mixer noise temperature of 54 K with a conversion gain of 1.35 and a signal bandwidth on the order of 1 GHz. A potentially impressive performance for these devices at submillimeter wavelengths can be extrapolated from the results.

482

Improving airport explosives detection

In response to severe maintenance problems caused by the highly corrosive toxic and radioactive substance used in the nuclear reprocessing industry, AEA Technology (formerly the United Kingdom Atomic Energy Authority) has developed a series of power fluidics devices with no moving parts. These maintenance-free devices are described in this article which also explores applications in fields outside their original brief. (UK).

483

Experimental study on the uses of SQUID magnetometers as sensitive, low-frequency eddy current probes for non-destructive materials evaluation. Final report

ORNL has developed the technology to detect hidden explosives in luggage using X ray and neutron detection devices. The Federal Aviation Administration has ordered the airlines to buy and install Thermal Neutron Analysis (TNA) units. The combined pulsed-neutron and X-ray interrogation inspection (CPNX) system developed at ORNL uses less radioactive materials as well as being more sensitive to weapons, electronic devices and plastic explosives.

1990-01-01

484

Expanding the Limits of CdTe PV Performance: Phase I Annual Report, 7 February 2006 - 30 June 2007

The results show that the SQUID device eddy current testing system is a suitable tool for NDE. Due to the high low-frequency sensitivity of the SQUID sensor, the SQUID device eddy current testing system permits lower examination frequencies than the conventional eddy current probe system. The SQUID system enhances fault detection in even deeper materials layers. (orig./MM).

1996-01-01

485

Electrical Circuit Tester

First Solar made 9 CdTe PV devices; found two front- and one back-side structures that show improved Jsc and Voc, respectively, compared to base device structure; best cell efficiency was 14.13%.

2007-12-01

486

Displacement and rotation device for tool in a tube and its utilization for steam generator tubes control. Dispositif de deplacement et de mise en rotation d'un outil a l'interieur d'un tube et son utilisation pour le controle des tubes d'un generateur de vapeur

An electrical circuit testing device is provided, comprising a case, a digital voltage level testing circuit with a display means, a switch to initiate measurement using the device, a non-shorting switching means for selecting pre-determined electrical wiring configurations to be tested in an outlet, a terminal block, a five-pole electrical plug mounted on the case surface and a set of adapters that can be used for various multiple-pronged electrical outlet configurations for voltages from 100 600 VAC from 50 100 Hz.

2006-04-18

487

Digital optical processing system

The device is made by a tool at the end of a flexible cable, a motor for the rotation of the flexible, a linear drive with a guide for it between the winder and the tube.

1988-10-14

488

Device for marking and searching for information on a magnetic carrier

Digital optical processing (DOP) was conceived to encompass the advantages of both electronic and optical processors, which are parallelism, flexibility, and high accuracy. The authors discuss the concept of parallelism, how it applies to DOP differently than to electronic parallel processing, and other potential advantages in using DOP. A PLZT memory device is described which can perform a series of logic or memory operations. From several of these PLZT devices a DOP is constructed to illustrate some of its programmability features.

1983-01-01

489

Device for laying cut peat in a drying formation

A device for marking and searching for information on a magnetic carrier is described. In order to increase the noise immunity and reliability of the data recording and reading paths, the recording head is included between the amplifier of the clock pulses for the master oscillator and through the amplifier of the code pulses for the logical element unit. The reproduction head is connected through the code pulse shaper-amplifier with a switch which is connected with the display unit, and through another analogous clock pulse amplifier with a multivibrator.

1984-03-01

490

De-entrainment of boron by evaporation

A device for laying cut peat in drying formations is proposed consisting of separate compartments, reinforced on a common frame and with mechanisms for both vertical and horizontal mixing. In order to intensify the drying process, within the scope of laying cut peat, uniform clearances and spacing in formations is applied. The mixing compartments are joined in sections with capabilities for separate mixing in each unit. The compartments are joined together by hinges and can be turned 180 degrees on the hinges horizontal to the plane.

1980-06-17

491

Coulomb Repulsion in Miniature Ion Mobility Spectrometry

The purpose of this research was to investigate the de-entrainment of boron for evaporators used in nuclear power plants. The forced circulation and semi-continuous type evaporator was used in the experiment. Cyclone and glass-wool packed column which is supposed to provide good decontamination factor as well as easy maintenance, were selected as de-entrainment device to be used in the evaporation of radioactive liquid wastes. The de-entrainment device combined with cyclone and glass-wool column has shown overall DF more than 1000 for boron.

1986-12-01

492

Cooling device for rotors of multistage axial steam turbines

We have undertaken a study of ion mobility resolution in a miniature ion mobility spectrometer with a drift channel 1.7 mm in diameter and 35 mm in length. The device attained a maximum resolution of 14 in separating ions of NO, O{sub 2}, and methyl iodine. The ions were generated by pulses from a frequency-quadrupled Nd:YAG laser. Broadening due to Coulomb repulsion was modeled theoretically and shown experimentally to have a major effect on the resolution of the miniature device.

1999-08-08

493

Control device for condensate cleanup system

The invention concerns an improvement of a cooling device for rotors of multistage axial steam turbines by providing in the first stage of each group of turbine stages a circulation loop connecting the wheel chamber on the inlet side of the rotor disc of the first stage with the wheel chamber on its outlet side. This is to cause the cooling effect not to be hampered by gap widths of the seal in the bottom range of the rotor blades changing during operation. Design particulars are described in detail. (UWI).

494

Continuous flow dielectrophoretic particle concentrator

Purpose: To ensure continuous operation for condensate desalters with the control device for desalter group in a nuclear power plant by automatically averaging the operation interval between each of the desalters. Constitution: Electroconduction meters are provided at the inlet and the outlet for each of the desalters. The conduction rates at the inlet and outlet are compared to determine the re-generation timing of the condensate desalter. Limiting set value for each of the equipments in the cleanup systems is changed by using a mathematical operation circuit to average the operation interval between each of the desalters. (Ikeda, J.).

495

A tube inspection device. Dispositif de controle de tubes

A continuous-flow filter/concentrator for separating and/or concentrating particles in a fluid is disclosed. The filter is a three-port device an inlet port, an filter port and a concentrate port. The filter separates particles into two streams by the ratio of their dielectrophoretic mobility to their electrokinetic, advective, or diffusive mobility if the dominant transport mechanism is electrokinesis, advection, or diffusion, respectively.Also disclosed is a device for separating and/or concentrating particles by dielectrophoretic trapping of the particles.

2007-04-17

496

The device, aimed at non destructive control of the inner side of tubes such as steam generator tubes, is composed of a control sensor mounted on a support; the sensor head may rotate in the tube and a measuring system and signal processing allow for the exact determination of the angular position of the sensor head (application to ultrasonic or eddy current probes).

1993-05-07

497

A string sieve

Spontaneous Radiation Emission from Short, High Field Strength Insertion Devices

A string sieve is proposed which includes a frame, a sifting surface made of string, a device for attaching the strings made in the form of rollers installed in staggered order and a tensing device attached to traverses. To improve the effectiveness of sifting by self cleaning of the sifting surface during operation, the rollers are installed on the traverses by means of a unit of hinges, whose elastic elements are made with varying rigidity.

1983-01-01

498

Fully transparent thin-film transistor devices based on SnO2 nanowires.

Since the earliest papers on undulaters were published, it has been known how to calculate the spontaneous emission spectrum from ''short'' undulaters when the magnetic field strength parameter is small compared to unity, or in ''single'' frequency sinusoidal undulaters where the magnetic field strength parameter is comparable to or larger than unity, but where the magnetic field amplitude is constant throughout the undulater. Fewer general results have been obtained in the case where the insertion device is both short, i.e., the magnetic field strength parameter changes appreciably throughout the insertion device, and the magnetic field strength is high enough that ponderomotive effects, radiation retardation, and harmonic generation are important physical phenomena. In this paper a general method is presented for calculating the radiation spectrum for short, high-field ...

2005-09-15

499