WorldWideScience

Sample records for bed occupancy

  1. An audit of acute psychiatric admission bed occupancy in Northern Ireland.

    OpenAIRE

    Kelly, C. B.

    1998-01-01

    The Northern Ireland Section (Irish Division) of the Royal College of Psychiatrists were requested to investigate apparent increasing pressures on acute psychiatric beds. Information on bed occupancy and associated service activity was collected by clinicians on site in every psychiatric unit in Northern Ireland over the past eight years. Three separate years (1987, 1991 and 1995) were studied. Bed occupancy rose across these three years. There was an associated reduction in the number of acu...

  2. Critical Care Medicine Beds, Use, Occupancy, and Costs in the United States: A Methodological Review.

    Science.gov (United States)

    Halpern, Neil A; Pastores, Stephen M

    2015-11-01

    This article is a methodological review to help the intensivist gain insights into the classic and sometimes arcane maze of national databases and methodologies used to determine and analyze the ICU bed supply, use, occupancy, and costs in the United States. Data for total ICU beds, use, and occupancy can be derived from two large national healthcare databases: the Healthcare Cost Report Information System maintained by the federal Centers for Medicare and Medicaid Services and the proprietary Hospital Statistics of the American Hospital Association. Two costing methodologies can be used to calculate U.S. ICU costs: the Russell equation and national projections. Both methods are based on cost and use data from the national hospital datasets or from defined groups of hospitals or patients. At the national level, an understanding of U.S. ICU bed supply, use, occupancy, and costs helps provide clarity to the width and scope of the critical care medicine enterprise within the U.S. healthcare system. This review will also help the intensivist better understand published studies on administrative topics related to critical care medicine and be better prepared to participate in their own local hospital organizations or regional critical care medicine programs. PMID:26308432

  3. High Levels Of Bed Occupancy Associated With Increased Inpatient And Thirty-Day Hospital Mortality In Denmark

    DEFF Research Database (Denmark)

    Madsen, Flemming; Ladelund, Steen; Linneberg, Allan

    2014-01-01

    these shortages on patients' outcomes. We analyzed all 2.65 million admissions to Danish hospitals' departments of medicine in the period 1995-2012. We found that high bed occupancy rates were associated with a significant 9 percent increase in rates of in-hospital mortality and thirty-day mortality......, compared to low bed occupancy rates. Being admitted to a hospital outside of normal working hours or on a weekend or holiday was also significantly associated with increased mortality. The health risks of bed shortages, including mortality, could be better documented as a priority health issue. Resources...

  4. Mathematical Modeling of the Impact of Hospital Occupancy: When Do Dwindling Hospital Beds Cause ED Gridlock?

    Directory of Open Access Journals (Sweden)

    Lori Whelan

    2014-01-01

    Full Text Available Objectives. The time emergency department (ED patients spend from presentation to admittance is known as their length of stay (LOS. This study aimed to quantify the inpatient occupancy rate (InptOcc/ED LOS relationship and develop a methodology for identifying resource-allocation triggers using InptOcc-LOS association-curve inflection points. Methods. This study was conducted over 200 consecutive days at a 700-bed hospital with an annual ED census of approximately 50,000 using multivariate spline (piecewise regression to model the InptOcc/LOS relationship while adjusting for confounding covariates. Nonlinear modeling was used to assess for InptOcc/LOS associations and determine the inflection point where InptOcc profoundly impacted LOS. Results. At lower InptOcc, there was no association. Once InptOcc reached ≥88%, there was a strong InptOcc/LOS association; each 1% InptOcc increase predicted a 16-minute (95% CI, 12–20 minutes LOS prolongation, while the confounder-adjusted analysis showed each 1% InptOcc increase >89% precipitating a 13-minute (95% CI, 10–16 minutes LOS prolongation. Conclusions. The study hospital’s InptOcc was a significant predictor of prolonged ED LOS beyond the identified inflection point. Spline regression analysis identified a clear inflection point in the InptOcc-LOS curve that potentially identified a point at which to optimize inpatient bed availability to prevent increased costs of prolonged LOS.

  5. Rationing in the intensive care unit in case of full bed occupancy: a survey among intensive care unit physicians

    OpenAIRE

    Oerlemans, Anke J. M.; Wollersheim, Hub; van Sluisveld, Nelleke; van der Hoeven, Johannes G; Dekkers, Wim J. M.; Zegers, Marieke

    2016-01-01

    Background Internationally, there is no consensus on how to best deal with admission requests in cases of full ICU bed occupancy. Knowledge about the degree of dissension and insight into the reasons for this dissension is lacking. Information about the opinion of ICU physicians can be used to improve decision-making regarding allocation of ICU resources. The aim of this study was to: Assess which factors play a role in the decision-making process regarding the admission of ICU patients; Asse...

  6. Duration of bed occupancy as calculated at a random chosen day in an acute care ward. Implications for the use of scarce resources in psychiatric care

    OpenAIRE

    Restan Asbjørn; Berg John E

    2005-01-01

    Abstract Background Psychiatric acute wards are obliged to admit patients without delay according to the Act on Compulsive Psychiatric Care. Residential long term treatment facilities and rehabilitation facilities may use a waiting list. Patients, who may not be discharged from the acute ward or should not wait there, then occupy acute ward beds. Materials and methods Bed occupancy in one acute ward at a random day in 2002 was registered (n = 23). Successively, the length of stay of all patie...

  7. To investigate the relationship between research and the bed occupancy rate of bed turnover times%探讨病床使用率和病床周转次数的关系研究

    Institute of Scientific and Technical Information of China (English)

    田勇

    2014-01-01

    Objective the relationship between bed occupancy rate and bed turnover times were studied. Methods the concept of bed utilization and bed turnover times and related formulas and the main factors affecting the different studies and analysis, mainly on the number of both utilization and high turnover, utilization and turnover number was negatively correlated and the reasons for both utilization and turnaround times higher research and analysis. Results through the analysis of a variety of situations, given for different problems of different measures to deal with the bed occupancy rate by bed is used to represent the working conditions, but not as a basis to describe the working efficiency can not bed hospital coordination between outpatient and ward bad, improper management of the ward, the patient admitted to hospital is not tight, it is not conducive to the hospital in time to receive patients. Conclusion the need for rational allocation of hospital beds and bed occupancy rate in order to correctly understand the relationship between the number of beds in turnover as a precondition, the only way to promote the development of the hospital, to provide a reference for the relevant decisions.%目的:通过对医院病床的使用效率和医院病床的使用次数两者的关系进行探讨。方法分别对医院病床的使用效率的概念以及相关的公式以及医院病床的使用次数的概念和相关的公式及其主要的影响因素进行研究,主要是对医院病床的使用效率和医院病床的使用次数两者都高以及病床的使用效率和病床的使用次数成负相关以及使用率和周转次数两者都低的原因进行研究分析。结果通过对各种情况的分析,针对不同的问题给出不同的应对措施,病床使用率通常是用来表示病床工作的情况,但是不能以此为依据来描述病床的工作效率,医院的门诊和病房之间的协调性不好,病房的管理工作不恰当,

  8. Exposure to exhaled air from a sick occupant in a two-bed hospital room with mixing ventilation: effect of distance from sick occupant and air change rate

    DEFF Research Database (Denmark)

    Bolashikov, Zhecho Dimitrov; Melikov, Arsen Krikor; Georgiev, Emanuil

    2011-01-01

    Full-scale measurements were performed in a climate chamber set as a two-bed hospital room, ventilated at 3, 6 and 12 h-1. Air temperature was kept constant at 22 °C. Two breathing thermal manikins were used: a sick patient lying on one side in one bed and a doctor. A thermal dummy mimicked...... an exposed patient lying in the second bed. The doctor stood 0.55 m or 1.1 m facing the sick patient. The breathing mode of the “sick patient” was: exhalation mouth/inhalation nose. Tracer gas (R-134a) was mixed with the exhaled air. Important finding of this study is that airflow distribution...... and interaction in rooms, distance between the source and recipient, etc. may play more important role for the exposure to the air exhaled by the sick patient than the ventilation rate. Increase in ventilation may affect adversely the exposure to exhaled air and thus enhance the risk from airborne cross infection....

  9. Duration of bed occupancy as calculated at a random chosen day in an acute care ward. Implications for the use of scarce resources in psychiatric care

    Directory of Open Access Journals (Sweden)

    Restan Asbjørn

    2005-05-01

    Full Text Available Abstract Background Psychiatric acute wards are obliged to admit patients without delay according to the Act on Compulsive Psychiatric Care. Residential long term treatment facilities and rehabilitation facilities may use a waiting list. Patients, who may not be discharged from the acute ward or should not wait there, then occupy acute ward beds. Materials and methods Bed occupancy in one acute ward at a random day in 2002 was registered (n = 23. Successively, the length of stay of all patients was registered, together with information on waiting time after a decision was made on further treatment needs. Eleven patients waited for further resident treatment. The running cost of stay was calculated for the acute ward and in the different resident follow-up facilities. Twenty-three patients consumed a total of 776 resident days. 425 (54.8% of these were waiting days. Patients waited up to 86 days. Results Total cost of treatment was 0.69 million Euro (0.90 mill. $, waiting costs were 54.8% of this, 0.38 million Euro (0.50 million $. The difference between acute care costs and the costs in the relevant secondary resident facility was defined as the imputed loss. Net loss by waiting was 0.20 million Euro (0.26 million $ or 28.8% of total cost. Discussion This point estimate study indicates that treating patients too sick to be released to anything less than some other intramural facility locks a sizable amount of the resources of a psychiatric acute ward. The method used minimized the chance of financially biased treatment decisions. Costs of frustration to staff and family members, and delayed effect of treatment was set to zero. Direct extrapolation to costs per year is not warranted, but it is suggested that our findings would be comparable to other acute wards as well. The study shows how participant observation and cost effectiveness analysis may be combined.

  10. National Waste Terminal Storage repository in a bedded salt formation for spent unreprocessed fuel. Occupational exposure and health physics studies. KE report No. 78-21-R

    International Nuclear Information System (INIS)

    This report includes the Occupational Exposure and Health Physics studies of the National Waste Terminal Storage Repository Number 2 (NWTSR2). Section 1 deals with occupational radiation exposures. The results of dose equivalent and dose commitment calculations are summarized. The man-rem total is a summation of all doses to all personnel throughout a year. It would have to be divided by the number of total personnel involved, to obtain an average annual dose per person. Section 2 presents the occupational exposures due to nonradiological pollutants. The activities of workers and the equipment used during the construction, storage/retrieval and decommissioning of the facility are outlined. Tabulations are presented of the substances (dusts, fumes, gases and vapors) and physical agents (heat, vibration, and nonionizing radiation) to which personnel will be exposed in various surface and underground work areas during construction and decommissioning, and during storage and retrieval operations. Some significant nonradiological occupational exposures are summarized. Section 3 outlines the health physics program for the NWTSR2 facility. It is important to initiate the health physics program one or two years before the facility is placed in operation to establish the radiation background levels at the site and its surrounding area, and to collect environmental samples, both on-site and off-site, prior to waste storage and retrieval operations. The health physics organization consists of 15 persons, including five health physicists

  11. Exposure to Exhaled Air from a Sick Occupant in a Two-Bed Hospital Room with Mixing Ventilation: Effect of Posture of Doctor and Air Change Rate

    DEFF Research Database (Denmark)

    Bolashikov, Zhecho Dimitrov; Melikov, Arsen Krikor; Barova, Mariya

    2013-01-01

    Full-scale measurements were performed in a climate chamber set as a two-bed hospital room, ventilated at 3, 6 and 12 ACH with overhead mixing ventilation. Air temperature was kept constant at 22 °C. Two breathing thermal manikins were used to mimic a sick patient lying on one side in one...... the ventilation rate itself. Furthermore, increase in ventilation may affect adversely the exposure to exhaled air and thus enhance the risk from airborne cross infection....

  12. Exposure of health care workers and occupants to coughed airborne pathogens in a double-bed hospital patient room with overhead mixing ventilation

    DEFF Research Database (Denmark)

    Bolashikov, Zhecho D.; Melikov, Arsen K.; Brand, Marek;

    2012-01-01

    The exposure of a doctor and a second patient was studied in a simulated two-bed hospital isolation room. The room was ventilated at three air change rates (3h-1, 6h-1, and 12h-1) by mixing air distribution keeping at 22C (71.6F). The effect of the distance between the doctor and the coughing...... person, the posture of the coughing patient (lying sideways facing the doctor or on back), and the position of the doctor (facing the coughing patient or standing sideways) was examined with respect to exposure to coughed air. A thermal manikin with realistic body shape and surface temperature...... distribution was used to resemble the doctor. A coughing patient (equipped with cough generator) lying in one bed and another patient in the second bed were simulated by two heated dummies with simplified geometry. The cough consisted of 100% CO2. The peak cough time was 4s, when the doctor was closest to the...

  13. Acinetobacter baumannii Infection in Prior ICU Bed Occupants Is an Independent Risk Factor for Subsequent Cases of Ventilator-Associated Pneumonia

    Directory of Open Access Journals (Sweden)

    Eirini Tsakiridou

    2014-01-01

    Full Text Available Objective. We aimed to evaluate risk factors for ventilator-associated pneumonia (VAP due to Acinetobacter baumannii (AbVAP in critically ill patients. Methods. This was a prospective observational study conducted in an intensive care unit (ICU of a district hospital (6 beds. Consecutive patients were eligible for enrolment if they required mechanical ventilation for >48 hours and hospitalization for >72 hours. Clinical, microbiological, and laboratory parameters were assessed as risk factors for AbVAP by univariate and multivariate analysis. Results. 193 patients were included in the study. Overall, VAP incidence was 23.8% and AbVAP, 11.4%. Previous hospitalization of another patient with Acinetobacter baumannii infection was the only independent risk factor for AbVAP (OR (95% CI 12.016 (2.282–19.521 P<0.001. ICU stay (25±17 versus 12±9   P<0.001, the incidence of other infections (OR (95% CI 9.485 (1.640–10.466 P=0.002 (urinary tract infection, catheter related infection, and bacteremia, or sepsis (OR (95% CI 10.400 (3.749–10.466 P<0.001 were significantly increased in patients with AbVAP compared to patients without VAP; no difference was found with respect to ICU mortality. Conclusion. ICU admission or the hospitalization of patients infected by Acinetobacter baumannii increases the risk of AbVAP by subsequent patients.

  14. Occupational asthma

    Science.gov (United States)

    Asthma - occupational exposure; Irritant-induced reactive airways disease ... the workplace can trigger asthma symptoms, leading to occupational asthma. The most common triggers are wood dust, grain ...

  15. Occupational asthma

    Science.gov (United States)

    ... occupational exposure; Irritant-induced reactive airways disease Images Spirometry Respiratory system References Lemiere C, Vandenplas O. Occupational allergy and asthma. In: Adkinson NF Jr., Bochner BS, Burks AW, ...

  16. Occupational Asthma

    Science.gov (United States)

    ... working with laboratory animals or with powdered natural rubber latex gloves have developed occupational asthma. Occupational asthma can also occur in workers after repeated exposure to small chemical molecules in the ... plastics, rubber and foam. These chemicals can cause occupational asthma ...

  17. Occupational mortality

    DEFF Research Database (Denmark)

    Lynge, Elsebeth

    2011-01-01

    INTRODUCTION: This paper aims to present the methods and main results from the Danish occupational mortality studies, and to set the Danish studies into the international context of occupational mortality studies. RESEARCH TOPICS: The first Danish occupational mortality study from 1970...

  18. Occupational Asthma

    OpenAIRE

    SF Voelter-Mahlknecht

    2011-01-01

    Occupational asthma is defined as “a disease of variable airflow limitations and/or airway hyper-responsiveness due to causes and conditions attributable to a particular occupational environment and not stimuli that are being encountered outside the workplace.” An analysis of general population-based studies published up to 2007 showed that 17.6% of all adultonset asthma is due to workplace exposures. In this article, Different aspects of occupational asthma are briefly reviewed.

  19. Occupational Asthma

    OpenAIRE

    Sheppard, Dean

    1982-01-01

    Bronchospasm is a common cause of morbidity in the workplace. More than 100 agents are now recognized as occupational causes of asthma and numerous agents can cause exacerbations of preexisting asthma. Because of the large number of potential causative agents and the complexity of modern industrial processes, knowledge of the characteristic clinical features of occupational asthma is the key to recognizing this disease. Early diagnosis of occupational asthma is important in preventing long-te...

  20. Occupational Outlook Handbook: Healthcare Occupations

    Science.gov (United States)

    ... nurses ( APRNs ), coordinate patient care and may provide primary and specialty healthcare. The scope of ... Health and Safety Specialists Occupational health and safety specialists analyze many ...

  1. Occupational Rhinitis.

    Science.gov (United States)

    Grammer, Leslie C

    2016-05-01

    Occupational rhinitis (OR) involves nasal congestion, rhinorrhea, nasal itching, and/or sneezing resulting from workplace exposures. OR can have a significant negative effect on quality of life and productivity. OR can be divided into allergic or nonallergic subgroups based on the underlying pathogenesis. Certain occupational exposures place employees at greater risk for developing disease. Primary treatment is avoidance of implicated exposures. Antihistamines, saline rinses, and nasal steroids may be useful. OR can coexist with occupational asthma, and rhinitis symptoms have been reported to precede those of the lower respiratory tract. OR is has both medical and socioeconomic implications. PMID:27083106

  2. Occupational health

    CERN Document Server

    Fingret, Dr Ann

    2013-01-01

    Offers a comprehensive view of health and safety issues at work. An invaluable resource for managers, personnel professionals and occupational health practitioners. Recommended by the Institute of Personnel Management.

  3. Occupational Health

    Science.gov (United States)

    Occupational health problems occur at work or because of the kind of work you do. These problems can include ... by exposure to radiation Exposure to germs in health care settings Good job safety and prevention practices ...

  4. [Occupational eczema].

    Science.gov (United States)

    Lachapelle, J M

    1998-05-01

    Cases of occupational allergic contact dermatitis are less frequent nowadays than in the past: for instance the prevalence of allergic contact dermatitis to cement chromates is decreasing steadily among building workers. On the other hand, new haptens do occur in our environment, due to the diversification of industrial techniques; e.g. methylchloro- and methylisothiazolinone (MCI/MI) present as a preservative in paints or varnishes, acrylates and methacrylates, or, at the hospital, glutaraldehyde, propacetamol or various antibiotics. A new entity has been clinically characterized: protein contact dermatitis. The prevention of occupational allergic contact dermatitis is multidisciplinary. It includes all aspects of prevention: primary, secondary and tertiary. PMID:11767354

  5. Occupational Therapists

    Science.gov (United States)

    ... recover, and improve the skills needed for daily living and working. Work Environment About half of occupational therapists work in offices ... to collaborate on changes to the patient’s work environment or ... daily life activities. In addition, therapists may work with individuals ...

  6. Occupational hazards

    OpenAIRE

    Paz-Fuchs, Amir; Ronen, Yaël

    2012-01-01

    This article provides an analysis and a critique of the law governing the employment relationship between Israeli employers and Palestinian employees in industries operating in the West Bank. Through an analysis of Israeli jurisprudence it highlights the intersection among different areas of law: choice of law, public international law (in particular the law of occupation), and labor law. The article explores the tensions that this intersection creates: first, between the importance that...

  7. Occupation: nurse; occupational hazard: radiation

    International Nuclear Information System (INIS)

    The work of the occupational health nurses at the Pickering Generating Station is described. A staff of two nurses teach first aid and safety, practice an emergency plan, and monitor personnel for minimum health standards for radiation workers. Special attention is paid to problems which might be aggravated by radiation, such as skin complaints, respiratory diseases, emotional stability, or phobias regarding heights, plastic suits, or radiation itself. Procedures used in treating contaminated personnel are outlined

  8. Occupation: nurse; occupational hazard: radiation

    Energy Technology Data Exchange (ETDEWEB)

    Nickson, K.

    1984-03-01

    The work of the occupational health nurses at the Pickering Generating Station is described. A staff of two nurses teach first aid and safety, practice an emergency plan, and monitor personnel for minimum health standards for radiation workers. Special attention is paid to problems which might be aggravated by radiation, such as skin complaints, respiratory diseases, emotional stability, or phobias regarding heights, plastic suits, or radiation itself. Procedures used in treating contaminated personnel are outlined.

  9. Occupational hygiene

    CERN Document Server

    Gardiner, Kerry

    2008-01-01

    Employees, employers and the government have all become very aware of the effects on health of the work environment. As a result, this subject area is rapidly developing with recent changes in legislation, sampling and measurement methods, as well as a new emphasis on the psychological impact of work, and the importance of an appropriate work-life balance. The purpose of this book is to provide a clear and concise account of the principles of occupational hygiene and, as such, it is suitable for students studying for degree courses in this subject and for the MFOM. It is also suitable for occ

  10. Occupational physiology

    CERN Document Server

    Toomingas, Allan; Tornqvist, Ewa Wigaeus

    2011-01-01

    In a clear and accessible presentation, Occupational Physiology focuses on important issues in the modern working world. Exploring major public health problems-such as musculoskeletal disorders and stress-this book explains connections between work, well-being, and health based on up-to-date research in the field. It provides useful methods for risk assessment and guidelines on arranging a good working life from the perspective of the working individual, the company, and society as a whole.The book focuses on common, stressful situations in different professions. Reviewing bodily demands and r

  11. Surviving Bed Rest

    Science.gov (United States)

    ... doctor will give you specific information about the duration of your bed rest. continue How Does Bed ... reading about high-risk pregnancy issues, learn about breastfeeding or how to encourage your child's development instead. ...

  12. Occupational Therapy (For Parents)

    Science.gov (United States)

    ... Story" 5 Things to Know About Zika & Pregnancy Occupational Therapy KidsHealth > For Parents > Occupational Therapy Print A A ... for some kids. continue Kids Who Might Need Occupational Therapy According to the AOTA, kids with these medical ...

  13. Top Ten Bed Bug Tips

    Science.gov (United States)

    ... have bed bugs, not fleas, ticks or other insects. You can compare your insect to the pictures on our Identifying bed bugs ... bedbugs Bed Bugs Home Learn about Bed Bugs — Characteristics of Bed Bugs — Finding Bed Bugs Protecting Your ...

  14. Is bed rest an effective treatment modality for pressure ulcers?

    Science.gov (United States)

    Norton, Linda; Sibbald, R Gary

    2004-10-01

    Despite the well-documented medical, physical, and psychological complications associated with this care management option, bed rest remains a frequently prescribed treatment modality for conditions such as pressure ulcers. Cognitive and psychosocial complications of bed rest include depression, learned helplessness, perceptual changes, and fatigue. Physically, complications can include contractures, muscle atrophy, osteoporosis, pathologic fractures, urinary tract infections, decreased cardiac reserve, decreased stroke volume, resting and post-exercise tachycardia, orthostatic hypotension, pulmonary embolism, deep venous thrombosis, pneumonia, anorexia, constipation, and bowel impaction. Furthermore, the literature does not contain evidence supporting the use of bed rest to facilitate healing of pressure ulcers. More suitable approaches to pressure ulcer care include limiting bed rest, initiating occupational therapy, integrating meaningful tasks into daily activities, increasing outside stimulation, involving patients in care decisions and addressing their concerns, optimizing nutritional status, and managing pressure and shear throughout daily activities. Recommendations for implementing alternatives to bed rest are addressed. PMID:15509881

  15. Occupational asthma: a review.

    OpenAIRE

    Lombardo, L J; Balmes, J R

    2000-01-01

    Occupational asthma is the most common form of occupational lung disease in the developed world at the present time. In this review, the epidemiology, pathogenesis/mechanisms, clinical presentations, management, and prevention of occupational asthma are discussed. The population attributable risk of asthma due to occupational exposures is considerable. Current understanding of the mechanisms by which many agents cause occupational asthma is limited, especially for low-molecular-weight sensiti...

  16. Essays on occupational choice

    OpenAIRE

    Schlenker, Eva Gabriele

    2013-01-01

    Occupational choices have far-reaching consequences for young adults. Occupations do not only influence career opportunities and earnings. They also have an impact on status and reputation in society. The importance of occupational choice is reinforced because occupational choice is hardly reversible and, therefore, creates path dependencies in one's life. This issue is especially crucial if job mobility is low, as it is the case in Germany. Changes in occupations are less common in Germany i...

  17. Bed In Summer

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    In winter I get up at night And dress by yellow candle-light. In summer, quite the other way, I have to go to bed by day. I have to go to bed and see The birds still hopping on the tree, Or hear the grown-up people' s feet Still going past me in the stree

  18. Fluidized bed incinerator development

    International Nuclear Information System (INIS)

    A fluidized bed incinerator is being developed for burning rad contaminated solid and liquid waste materials. In situ neutralization of acid gases by the bed material, catalytic afterburning, and gas filtration are used to produce a clean flue gas without the use of aqueous scrubbing

  19. Occupational therapy evaluation

    DEFF Research Database (Denmark)

    Nielsen, Kristina Tomra; Wæhrens, Eva Ejlersen

    2014-01-01

    Background: The Occupational Therapy Intervention Process Model (OTIPM) serves to guide occupational therapists in their professional reasoning. The OTIPM prescribes evaluation of task performance based on both self-report and observation. Although this approach seems ideal, many clinicians raise...

  20. Enuresis (Bed-Wetting)

    Science.gov (United States)

    ... get out of bed to go to the bathroom. When do most children achieve bladder control? Children ... ask questions about your child's daytime and nighttime bathroom habits. Then your doctor will do a physical ...

  1. Particle fuel bed tests

    International Nuclear Information System (INIS)

    Gas-cooled reactors, using packed beds of small diameter coated fuel particles have been proposed for compact, high-power systems. The particulate fuel used in the tests was 800 microns in diameter, consisting of a thoria kernel coated with 200 microns of pyrocarbon. Typically, the bed of fuel particles was contained in a ceramic cylinder with porous metallic frits at each end. A dc voltage was applied to the metallic frits and the resulting electric current heated the bed. Heat was removed by passing coolant (helium or hydrogen) through the bed. Candidate frit materials, rhenium, nickel, zirconium carbide, and zirconium oxide were unaffected, while tungsten and tungsten-rhenium lost weight and strength. Zirconium-carbide particles were tested at 2000 K in H2 for 12 hours with no visible reaction or weight loss

  2. Tapered bed bioreactor

    Science.gov (United States)

    Scott, Charles D.; Hancher, Charles W.

    1977-01-01

    A vertically oriented conically shaped column is used as a fluidized bed bioreactor wherein biologically catalyzed reactions are conducted in a continuous manner. The column utilizes a packing material a support having attached thereto a biologically active catalytic material.

  3. Bed rest and immunity

    Science.gov (United States)

    Sonnenfeld, Gerald; Aviles, Hernan; Butel, Janet S.; Shearer, William T.; Niesel, David; Pandya, Utpal; Allen, Christopher; Ochs, Hans D.; Blancher, Antoine; Abbal, Michel

    2007-02-01

    Space flight has been shown to result in altered immune responses. The current study was designed to investigate this possibility by using the bed rest model of some space flight conditions. A large number of women are included as subjects in the study. The hypothesis being tested is: 60 days head-down tilt bed rest of humans will affect the immune system and resistance to infection. Blood, urine and saliva samples will be obtained from bed rest subjects prior to, at intervals during, and after completion of 60 days of head-down tilt bed rest. Leukocyte blastogenesis, cytokine production and virus reactivation will be assessed. The ability of the subjects to respond appropriately to immunization with the neoantigen bacteriophage φX-174 will also be determined. Bed rest is being carried out at MEDES, Toulouse France, and the University of Texas Medical Branch, Galveston, TX. The studies to be carried out in France will also allow assessment of the effects of muscle/bone exercise and nutritional countermeasures on the immune system in addition to the effects of bed rest.

  4. Occupant Controlled Lighting

    DEFF Research Database (Denmark)

    Logadóttir, Ásta

    2011-01-01

    The studies presented in this thesis explore opportunities and limitations of using the method of adjustment for occupant controlled lighting. The method of adjustment is studied with respect to occupant preferences and energy efficiency. The work presents three types of studies using the method of...... adjustment. Firstly, there was preliminary laboratory study exploring the influence of daylight on occupant controlled dynamic lighting in a laboratory office environment. Secondly, there was non-daylit laboratory study on occupant preferences for illuminance, and thirdly a scale model study on occupant...... preferences for correlated colour temperature (CCT). The results suggest that the method of adjustment, previously used in the lighting literature, is not adequate to generalize about occupant preferences for illuminance or CCT. Factors that influence occupants’ lighting preference when applying the method of...

  5. OCCUPATIONAL EXPOSURE AND COPD

    DEFF Research Database (Denmark)

    Würtz, Else Toft

    Chronic Obstructive Pulmonary Disease (COPD) is a common disease. The main risk factor is smoking although 15% of the COPD cases are expected to be preventable if the occupational exposures from vapour, gas, dust, and fume were eliminated; the population attributable fraction (PAF). The thesis...... addresses the association between occupational exposure and COPD in a population-based cohort of Danes aged 45-84-years. 4717 participants were included at baseline and 2624 at the four year follow-up. COPD was defined by spirometry and the occupational exposure was based on specialist defined jobs and...... questionnaires. The main occupational exposure was organic dust and 49% reported no lifetime occupational exposure. The results suggest occupational exposures to be associated to COPD also in never smokers and women. We found an exposure-response relation in the cross sectional analyses. The results are in...

  6. Occupational burnout and health

    OpenAIRE

    Ahola, Kirsi

    2007-01-01

    Occupational burnout and heath Occupational burnout is assumed to be a negative consequence of chronic work stress. In this study, it was explored in the framework of occupational health psychology, which focusses on psychologically mediated processes between work and health. The objectives were to examine the overlap between burnout and ill health in relation to mental disorders, musculoskeletal disorders, and cardiovascular diseases, which are the three commonest disease groups causing...

  7. Occupational Infection in Korea

    OpenAIRE

    Chung, Yun Kyung; Ahn, Yeon-Soon; Jeong, Jae Sim

    2010-01-01

    Occupational infection is a human disease caused by work-associated exposure to microbial agents through human and environmental contact. According to the literature, occupational infection was the third leading cause of occupational disease (861 cases, 8.0%), and health care, agricultural, forestry, and fishery workers were risk groups in Korea. In addition, most high-risk groups have not been protected by workers' compensation, which could lead to underestimation of the exact spectrum and m...

  8. Occupational lung cancer

    International Nuclear Information System (INIS)

    A total of 592 cases of occupational lung cancer were recorded in the Czech Republic during the 1992 to 1999 period. Ionizing radiation was the causal etiological factor in 92% cases. Uranium miners constituted the group which was affected most. Primary and secondary prevention measures are highlighted and the procedure for assessing occupational lung cancer from radioactive substances is outlined. The basic principles of a rational interdisciplinary collaboration in investigating the occupational nature of lung cancer and the mandatory assessment criteria are discussed

  9. Perspectives in Occupational Dermatology

    OpenAIRE

    Mathias, C. G. Toby; Howard I Maibach

    1982-01-01

    Because large surface areas of the skin are exposed directly to the environment, skin is an organ particularly vulnerable to occupationally induced disease. Statistics show that, excluding accidental injury, nearly half of all occupational illnesses occur in this organ; a fourth of all workers suffering from occupational skin disease lose an average of 10 to 12 workdays. The constant evolution of new industrial chemicals and methods of manufacture continue to bring new skin hazards and diseas...

  10. Fluidised bed heat exchangers

    International Nuclear Information System (INIS)

    Problems that have arisen during the initial stages of development of fluidised bed boilers in which heat transfer surfaces are immersed in fluidised solids are discussed. The very high heat transfer coefficients that are obtained under these conditions can be exploited to reduce the total heat transfer surface to a fraction of that in normal boilers. However, with the high heat flux levels involved, tube stressing becomes more important and it is advantageous to use smaller diameter tubes. One of the initial problems was that the pumping power absorbed by the fluidised bed appeared to be high. The relative influence of the fluidising velocity (and the corresponding bed area), tube diameter, tube spacing, heat transfer coefficient and bed temperature on pumping power and overall cost was determined. This showed the importance of close tube packing and research was undertaken to see if this would adversely affect the heat transfer coefficient. Pressure operation also reduces the pumping power. Fouling and corrosion tests in beds burning coal suggest that higher temperatures could be reached reliably and cost studies show that, provided the better refractory metals are used, the cost of achieving higher temperatures is not unduly high. It now remains to demonstrate at large scale that the proposed systems are viable and that the methods incorporated to overcome start up and part lead running problems are satisfactory. The promising role of these heat transfer techniques in other applications is briefly discussed

  11. in Spouted Bed

    Directory of Open Access Journals (Sweden)

    Bronislaw Buczek

    2013-01-01

    Full Text Available Samples of active coke, fresh and spent after cleaning flue gases from communal waste incinerators, were investigated. The outer layers of both coke particles were separately removed by comminution in a spouted bed. The samples of both active cokes were analysed by means of densities, mercury porosimetry, and adsorption technique. Remaining cores were examined to determine the degree of consumption of coke by the sorption of hazardous emissions (SO2, HCl, and heavy metals through its bed. Differences in contamination levels within the porous structure of the particles were estimated. The study demonstrated the effectiveness of commercial active coke in the cleaning of flue gases.

  12. Occupational Assimilation of Refugees.

    Science.gov (United States)

    Finnan, Christine Robinson

    1981-01-01

    Presents a model explaining how refugee communities help their members accept the downward occupational mobility usually associated with refugee resettlement. Describes how refugees shape an image of themselves consistent with the occupational role, while shaping an image of the role consistent with their self-image. (Author MK)

  13. Occupational stress among dentists

    DEFF Research Database (Denmark)

    Moore, Rod

    2011-01-01

    Dentists report a high degree of occupational stress.(Cooper, Mallinger, and Kahn, 1978;Coster, Carstens, and Harris, 1987;DiMatteo, Shugars, and Hays, 1993;Hakeberg et al., 1992;Möller and Spangenberg, 1996;Moore, 2000;Myers and Myers, 2004;O'Shea, Corah, and Ayer, 1984) This chapter reviews...... the literature of studies that elaborate on the circumstances of occupational stress of dentists. These will include the frequency of occurrence of occupational stress among dentists in several countries, frequency and intensity of identified stressors specific to dentistry, as well as the consequences...... of this occupational stress. The literature on consequences includes effects on dentists' physical health, personal and occupational performance, including "burnout" phenomena, as well as topics of alcohol or substance abuse and reports of suicidal behaviour among dentists. One specific and less conventionally...

  14. Occupational medicine and toxicology

    Directory of Open Access Journals (Sweden)

    Fischer Axel

    2006-02-01

    Full Text Available Abstract This editorial is to announce the Journal of Occupational Medicine and Toxicology, a new Open Access, peer-reviewed, online journal published by BioMed Central. Occupational medicine and toxicology belong to the most wide ranging disciplines of all medical specialties. The field is devoted to the diagnosis, prevention, management and scientific analysis of diseases from the fields of occupational and environmental medicine and toxicology. It also covers the promotion of occupational and environmental health. The complexity of modern industrial processes has dramatically changed over the past years and today's areas include effects of atmospheric pollution, carcinogenesis, biological monitoring, ergonomics, epidemiology, product safety and health promotion. We hope that the launch of the Journal of Occupational Medicine and Toxicology will aid in the advance of these important areas of research bringing together multi-disciplinary research findings.

  15. Going to an Occupational Therapist

    Science.gov (United States)

    ... and do things on his own. What Is Occupational Therapy? Everyone has an occupation or job. A kid's ... is to grow , learn, do schoolwork, and play. Occupational therapy (or OT) helps kids who have a physical, ...

  16. Bed expansion crucible tests

    International Nuclear Information System (INIS)

    The Am/Cm program will vitrify the americium and curium currently stored in F-canyon. A batch flowsheet has been developed (with non-radioactive surrogate feed in place of the F-canyon solution) and tested full-scale in the 5-inch Cylindrical Induction Melter (CIM) facility at TNX. During a normal process run, a small bed expansion occurs when oxygen released from reduction of cerium (IV) oxide to cerium (III) oxide is trapped in highly viscous glass. The bed expansion is characterized by a foamy layer of glass that slowly expands as the oxygen is trapped and then dissipates when the viscosity of the foam becomes low enough to allow the oxygen to escape. Severe bed expansions were noted in the 5-inch CIM when re-heating after an interlock during the calcination phase of the heat cycle, escaping the confines of the melter vessel. In order to better understand the cause of the larger than normal bed expansion and to develop mitigating techniques, a series of three crucible tests were conducted

  17. The Occupations of Literacy: Occupational Therapy's Role

    Science.gov (United States)

    Frolek Clark, Gloria

    2016-01-01

    Nationally, student proficiency in reading and writing is very low and requires ongoing focus from state and local agencies. With almost 25% of occupational therapists working in early intervention and school settings (AOTA, 2015), their role of facilitating literacy (e.g., reading, writing, speaking and listening) is critical. Occupational…

  18. Maximum spoutable bed height of spout-fluid bed

    Energy Technology Data Exchange (ETDEWEB)

    Wenqi Zhong; Mingyao Zhang; Baosheng Jin [Southeast University, Nanjing (China). Key Laboratory on Clean Coal Power Generation and Combustion Technology of Ministry of Education

    2006-11-15

    Experimental study on the maximum spoutable bed height of a spout-fluid bed (cross-section of 0.3 m x 0.03 m and height of 2 m) packed with Geldart group D particles has been carried out. The effects of particle size, spout nozzle size and fluidizing gas flow rate on the maximum spoutable bed height were studied. Experimental data were compared to some published experiments and predictions. The results show that the maximum spoutable bed height of spout-fluid bed decreases with increasing particle size and spout nozzle size, which appears the same trend to that of spouted beds. The increasing of fluidizing gas flow rate leads to a sharply decrease in the maximum spoutable bed height. The existent correlations of the maximum spoutable bed height in the literature were observed to involve large discrepancies. Additionally, the flow characteristics when bed materials deeper than the maximum spoutable height were summarized. Under this condition, the spout-fluid bed operated without a stable and coherent spout or fountain assembles the characteristics of jetting fluidized bed. Besides, the mechanisms of spout termination were investigated. It was found that slugging in the spout and growth of instabilities would cause the spout termination in spout-fluid bed.

  19. Getting Rid of Bed Bugs

    Science.gov (United States)

    ... how you select a company. Related Information Collaborative Strategy on Bed Bugs - highlights ways that all levels of government, community, academia and private industry can work together to reduce bed bugs across ...

  20. Occupational skin cancers

    Energy Technology Data Exchange (ETDEWEB)

    Gawkrodger, D.J. [Royal Hallamshire Hospital, Sheffield (United Kingdom). Dept. of Dermatology

    2004-10-01

    Skin cancer due to occupation is more common than is generally recognized, although it is difficult to obtain an accurate estimate of its prevalence. Over the past two centuries, occupational skin cancers have particularly been due to industrial exposure of men (it seems more so than women) to chemical carcinogens such as polycyclic hydrocarbons (e.g. from coal tar products) or to arsenic. Industrial processes have improved in most Western countries to limit this type of exposure, but those with outdoor occupations are still exposed to solar ultraviolet irradiation without this being widely recognized as an industrial hazard. Ionizing radiation such as X-rays can also cause skin cancer. Occupational skin cancers often resemble skin tumours found in non-occupational subjects, e.g. basal cell carcinoma, squamous cell carcinoma and malignant melanoma, but some pre-malignant lesions can be more specific and point to an occupational origin, e.g. tar keratoses or arsenical keratoses. An uncommon but well-recognized cause of occupational skin cancer is that which results from scar formation following an industrial burn. In the future it will be necessary to focus on preventative measures, e.g. for outdoor workers, the need to cover up in the sun and use sun protective creams and a campaign for earlier recognition of skin cancers, which are usually curable if treated in their early stages.

  1. Geomechanics of bedded salt

    International Nuclear Information System (INIS)

    Creep data from the literature search is reinterpreted by SGI, resulting in a better understanding of the temperature and stress state dependence of the octahedral creep rate and the octahedral shear strength. The concept of a transition strength between the elastic and the plastic states is in agreement with the data. The elastic and rheological properties of salt are described, and a set of constitutive equations is presented. The dependence of material properties on parameters such as temperature is considered. Findings on the permeability of salt are summarized, and the in-situ behavior of openings in bedded salt is described based on extensive engineering experience. A stress measuring system utilizing a finite element computer code is discussed. Geological factors affecting the stability of salt openings are considered, and the Stress Control Technique for designing stable openings in bedded salt formations is explained

  2. Test bed concentrator mirrors

    Science.gov (United States)

    Argoud, M. J.

    1980-05-01

    The test bed concentrator (TBC) was des point focusing distributed receiver (PFDR) systems. The reflective surface of the concentrator was fabricated using mirror facet designs and techniques. The facets are made by bonding mirrored glass to spherically-conducted substrates. Several aspects of earlier work were reevaluated for application to the TBC: optimum glass block size, material selection, environmental test, optical characteristics, and reliability. A detailed explanation of tooling, substrate preparation, testing techniques, and mirror assembly is presented.

  3. Paternal occupation and anencephaly

    Energy Technology Data Exchange (ETDEWEB)

    Brender, J.D.; Suarez, L. (Texas Department of Health, Austin (USA))

    1990-03-01

    It has been suggested that paternal occupational exposures to pesticides and solvents increase the risk of neural tube defects in offspring. With the use of Texas livebirth, fetal death, and linked livebirth-death records, the authors conducted a population-based case-control study among 1981-1986 Texas births to examine the association between paternal occupation and anencephalic births. Fathers employed in occupations associated with solvent exposure were more likely to have offspring with anencephaly (odds ratio (OR) = 2.53), with painters having the highest risk (OR = 3.43). A lesser association was found for fathers employed in occupations involving pesticide exposure (OR = 1.28). Further studies are indicated to clarify these associations.

  4. Occupational health in China.

    Science.gov (United States)

    Christiani, David C; Tan, Xiaodong; Wang, Xiaorong

    2002-01-01

    China has been experiencing rapid industrialization and economic growth, resulting in a transformed industrial structure and expansion of the labor force. Occupational health and safety services, nonexistent before 1949, have made remarkable advances over the past decades. However, these services face greater challenges, consisting of both traditional and new occupational health problems. Poorly regulated work environments often lacking health services in recently developed and thriving small-scale industries and joint venture enterprises have created increasing risks for occupational diseases and work-related injuries. A special strategy based on cooperation among and contributions from the legal, administrative, social, economic, and scientific communities is critical to achieving the ultimate goal of control and prevention of these occupational health problems. PMID:12028948

  5. Measuring site occupancy

    DEFF Research Database (Denmark)

    Rogowska-Wrzesinska, Adelina; Wojdyla, Katarzyna; Williamson, James;

    2014-01-01

    Site occupancy is an extremely important aspect of quantification of protein modifications. Knowing the degree of modification of each oxidised cysteine residue is critical to understanding the biological role of these modifications. Yet modification site occupancy is very often overlooked, in part...... occupancy of the modification site. We show that, on one hand, heavily modified cysteines are not necessarily involved in the response to oxidative stress. On the other hand residues with low modification level can be dramatically affected by mild oxidative imbalance. We make use of high resolution mass...... peptides corresponding to 90 proteins. Only 6 modified peptides changed significantly under mild oxidative stress. Quantitative information allowed us to determine relative modification site occupancy of each identified modified residue and pin point heavily modified ones. The method proved to be precise...

  6. Occupational asthma in Japan

    OpenAIRE

    Dobashi, Kunio

    2012-01-01

    Research into occupational asthma (OA) in Japan has been led by the Japanese Society of Occupational and Environmental Allergy. The first report about allergic OA identified konjac asthma. After that, many kinds of OA have been reported. Cases of some types of OA, such as konjac asthma and sea squirt asthma, have been dramatically reduced by the efforts of medical personnel. Recently, with the development of new technologies, chemical antigen-induced asthma has increased in Japan. Due to adva...

  7. Occupation and lymphoid neoplasms.

    OpenAIRE

    La Vecchia, C.; E. Negri; D'Avanzo, B; Franceschi, S.

    1989-01-01

    The relationship between occupation and exposure to a number of occupational agents and lymphoid neoplasms was investigated in a case-control study of 69 cases of Hodgkin's disease, 153 non-Hodgkin's lymphomas, 110 multiple myelomas and 396 controls admitted for acute diseases to a network of teaching and general hospitals in the greater Milan area. Among the cases, there was a significant excess of individuals ever occupied in agriculture and food processing: the multivariate relative risks ...

  8. Occupational Cohort Time Scales

    OpenAIRE

    Deubner, David C.; Roth, H. Daniel

    2015-01-01

    Purpose: This study explores how highly correlated time variables (occupational cohort time scales) contribute to confounding and ambiguity of interpretation. Methods: Occupational cohort time scales were identified and organized through simple equations of three time scales (relational triads) and the connections between these triads (time scale web). The behavior of the time scales was examined when constraints were imposed on variable ranges and interrelationships. Results: Constraints on ...

  9. Occupational health in Mexico.

    Science.gov (United States)

    Carreón, Tania; Santos-Burgoa, Carlos; Baron, Sherry; Hernández, Sendy

    2002-01-01

    The authors discuss the maquiladoras and child labor, and offer an overview of the history of occupational safety and health in Mexico that covers laws and regulations, social security, unions, and enforcement of legislation. The organization and structure of the various institutions responsible for occupational safety and health (OSH), as well as administrative procedures, are described. This article concludes with a list of the new challenges for OSH in Mexico. PMID:12028953

  10. Occupational Adjustment of Immigrants

    OpenAIRE

    Zorlu, Aslan

    2011-01-01

    This paper examines the speed of the occupational adjustment of immigrants using Labour Force Surveys 2004 and 2005 from Statistics Netherlands. The analysis provides new evidence that immigrants start with jobs at the lower levels of skill distribution. Their occupational achievement improves significantly with the duration of residence. The extent of this initial disadvantage and the rate of adjustment vary across immigrant groups according to the transferability of skills associated with t...

  11. Particularities of retail occupations

    OpenAIRE

    Tatiana-Roxana Nae

    2009-01-01

    The gradual disappearance of barriers from the path of labour resources at worldwide level has a great contribution to amplification of anomalies of labour market, especially in structure and level of occupation and unemployment. The fluctuations of labour demand at international level are periodical and selective, and the required occupations imply an extremely high qualification or an unqualified work, fact that points out the lack of balance in labour domain. In consequence, the approach o...

  12. Hours and Occupations

    OpenAIRE

    Luisa Fuster; Gueorgui Kambourov; Andres Erosa

    2012-01-01

    There is a negative mean-dispersion relationship between the log of mean annual hours in an occupation and the standard deviation of log annual hours in that occupation. We document this pattern using data from the 1976-2011 Current Population Survey (CPS) and various Survey of Income and Program Participation (SIPP) waves from 1984 till 2004. This pattern holds over time and across age, education, and gender groups and is observed both at the intensive (weekly hours) and extensive (number of...

  13. My view on occupation guidance

    Institute of Scientific and Technical Information of China (English)

    2012-01-01

    Occupation instruction needs to the support of theories,in the case of the occupation guidance theory is not very developed in our country,It has very important sense that absorbing and drawing lessons from the advanced occupation guidance theory,and targeting guidance to occupation guidance work,.

  14. Occupational Experience, Mobility, and Wages

    DEFF Research Database (Denmark)

    Groes, Fane

    In this paper we present how occupational tenure relates to wage growth and occupational mobility in Danish data. We show that the Danish data produces qualitatively similar results as found in U.S. data with respect to an increase in average wages when experience in an occupation increases. In a...... sample of full time private employed, the first five years of experience in an occupation increases average wages with 8% to 15%, conditional on rm and industry tenure. We further show that the probability of switching occupation declines with experience in the occupation and that the declining hazard...... also is true for workers switching occupation and rm. After ve years of experience in an occupation the average probability of switching any type of occupation, including occupation and rm switches, has fallen from 25% to 12%....

  15. Dependence of saltation parameters on bed roughness and bed porosity

    Czech Academy of Sciences Publication Activity Database

    Kharlamova, Irina; Vlasák, Pavel

    Prague : ITAM AS CR, v. v. i., 2012 - (Náprstek, J.; Fischer, C.), s. 625-629 ISBN 978-80-86246-40-6. [Engineering Mechanics 2012 /18./. Svratka (CZ), 14.05.2012-17.05.2012] R&D Projects: GA ČR GA103/09/1718 Institutional research plan: CEZ:AV0Z20600510 Keywords : saltation parameters * saltation length * saltation height * bed structure * normal distribution of bed particles * bed roughness Subject RIV: BK - Fluid Dynamics

  16. Coal Bed Methane Primer

    Energy Technology Data Exchange (ETDEWEB)

    Dan Arthur; Bruce Langhus; Jon Seekins

    2005-05-25

    During the second half of the 1990's Coal Bed Methane (CBM) production increased dramatically nationwide to represent a significant new source of income and natural gas for many independent and established producers. Matching these soaring production rates during this period was a heightened public awareness of environmental concerns. These concerns left unexplained and under-addressed have created a significant growth in public involvement generating literally thousands of unfocused project comments for various regional NEPA efforts resulting in the delayed development of public and fee lands. The accelerating interest in CBM development coupled to the growth in public involvement has prompted the conceptualization of this project for the development of a CBM Primer. The Primer is designed to serve as a summary document, which introduces and encapsulates information pertinent to the development of Coal Bed Methane (CBM), including focused discussions of coal deposits, methane as a natural formed gas, split mineral estates, development techniques, operational issues, producing methods, applicable regulatory frameworks, land and resource management, mitigation measures, preparation of project plans, data availability, Indian Trust issues and relevant environmental technologies. An important aspect of gaining access to federal, state, tribal, or fee lands involves education of a broad array of stakeholders, including land and mineral owners, regulators, conservationists, tribal governments, special interest groups, and numerous others that could be impacted by the development of coal bed methane. Perhaps the most crucial aspect of successfully developing CBM resources is stakeholder education. Currently, an inconsistent picture of CBM exists. There is a significant lack of understanding on the parts of nearly all stakeholders, including industry, government, special interest groups, and land owners. It is envisioned the Primer would being used by a variety of

  17. Fluidised bed cereal cooking

    International Nuclear Information System (INIS)

    Man has been cooking food for thousands of years for a number of reasons: to improve flavour and palatability, sterilise, increase digestibility, improve texture and colour. Increasingly more advanced techniques are employed today in food production plants to engineer foods with many different properties. With this in mind manufacturers are constantly seeking to improve processing techniques and apply new or different technologies (such as microwaves, RF and extrusion) to develop foods with new properties (like puffed texture starches) and to increase process efficiencies (energy efficiency, water reduction). This thesis reports on work undertaken to demonstrate the potential to achieve high temperature starch conversion of whole wheat grains in a fluidised bed, thereby reducing the amount of water required and processing time. Specifically, wheat from the farm at 14% water content is cooked in a fluidised bed. The fluidised bed heats the wheat quickly by convective heating. In addition, energy can be delivered directly to the grain by microwave heating during fluidisation. Degree of starch conversion is determined by measuring the reduction in size of endotherm of reaction as observed by Differential Scanning Calorimetry. The fluidising gas, processing temperature and starting moisture content were varied in order to investigate their effect on the cooking process. A mathematical model based on energy and species concentration equations was developed to help understand the internal grain processes. The model coupled the thermal energy equation with water diffusion. The effect of water evaporation was represented as a thermal sink in the energy equation. Popular kinetic models from literature were adapted to predict the degree of starch conversion. The model gives solutions consistent with experimental data and physical intuition. A commercial computational fluid dynamics package was used to study simple airflow and particle tracks in the fluidisation column. A

  18. Occupational health in Argentina.

    Science.gov (United States)

    Werner, A F

    2000-07-01

    Argentina is within the denominated "new industrialised countries", with the characteristic of having high contrasts in the urban population, based on service and industry, and in the rural population, based on agriculture and cattle, still the main sources of wealth in the country. The process of globalisation and the need to compete hard in international markets have provoked high unemployment and the transfer of workers from a formal market to an informal one. Legislation on occupational health is old and it is in the process of being updated. The system of prevention, assistance and compensation for accidents at work and for occupational illnesses has changed from being optative for employers, to the compulsory hiring of private insurance companies. The Government keeps the role of supervisor of the system. There are enough professionals in occupational health, hygiene and safety but not occupational nurses. The teaching is given by many universities and professional associations, some of which have an active profile in the occupational health of the country. PMID:10963410

  19. Zoonoses as occupational diseases

    Directory of Open Access Journals (Sweden)

    Giorgio Battelli

    2008-12-01

    Full Text Available Zoonoses are discussed as occupational diseases, with special reference to animal husbandry and related activities. After quoting some historical references, occupational zoonoses are examined in relation to the evolution of the concept of occupational zoonosis, the involvement of the World Health Organization in this field, their socio-economic significance, the principal working activities, zoonoses of greatest importance (with special reference to the Mediterranean region, the evaluation of damage and risks. An outline is made of the transmission of zoonoses from farm workers to animals and the biological hazards from the environment. The present situation of occupational zoonoses and related risks in industrialised and traditional farming activities are presented and the importance of some emerging and re-emerging zoonoses for the health of workers is highlighted. The author concludes by stressing that the prevention of occupational zoonoses must be implemented jointly by both veterinary and medical services through preventive measures and epidemiological surveillance of human and animal health, risk evaluation, diagnosis of infections and prompt reporting. It is hoped that the future will offer better inter-disciplinary collaboration and that legislation will be timely and better tailored to safeguard working health and safety.

  20. [Occupational epidemiology in Italy].

    Science.gov (United States)

    Assennato, G; Bisceglia, L

    2003-01-01

    The development of Occupational Epidemiology in Italy is closely correlated with the political and social awareness of the needs of preventive strategies in the workplace. In the late '60s the Trade Unions supported a model of intervention based on the involvement of the so-called "Homogeneous group of workers" in the validation of the preventive measures taken on the workplace. In spite of the shortcomings of the model, it was extremely effective resulting in enhanced perception of the priority of preventive strategies and in the formation within the National Health Service of the Occupational Health Services. In Italy over the period 1973-2002 there has been an impressive trend of research in field of occupational epidemiology (a search on Medline shows an increasing trend over the years and, in terms of international comparison, higher figures than in Germany, France and Spain). Occupational Epidemiology is now present in the activities of the local Occupational Health Services and in the teaching activities of the Medical Schools throughout the country. PMID:14582235

  1. Capacitively-Heated Fluidized Bed

    Science.gov (United States)

    Mchale, E. J.

    1982-01-01

    Fluidized-bed chamber in which particles in bed are capacitively heated produces high yields of polycrystalline silicon for semiconductor devices. Deposition of unrecoverable silicon on chamber wall is reduced, and amount of recoverable silicon depositing on seed particles in bed is increased. Particles also have a size and density suitable for direct handling without consolidation, unlike silicon dust produced in heated-wall chambers.

  2. Occupants' window opening behaviour

    DEFF Research Database (Denmark)

    Fabi, Valentina; Andersen, Rune Korsholm; Corgnati, Stefano;

    2012-01-01

    and office buildings. The analysis of the literature highlights how a shared approach on identifying the driving forces for occupants' window opening and closing behaviour has not yet been reached. However, the reporting of variables found not to be drivers may reveal contradictions in the obtained...... systems is proposed, based on studies presented in literature and a general process leading to the effects on energy consumptions is identified.Existing studies on the topic of window opening behaviour are highlighted and a theoretical framework to deal with occupants' interactions with building controls......, aimed at improving or maintaining the preferred indoor environmental conditions, is elaborated. This approach is used to look into the drivers for the actions taken by the occupants (windows opening and closing) and to investigate the existing models in literature of these actions for both residential...

  3. Occupational Sleep Medicine.

    Science.gov (United States)

    Cheng, Philip; Drake, Christopher

    2016-03-01

    Sleep and circadian rhythms significantly impact almost all aspects of human behavior and are therefore relevant to occupational sleep medicine, which is focused predominantly around workplace productivity, safety, and health. In this article, 5 main factors that influence occupational functioning are reviewed: (1) sleep deprivation, (2) disordered sleep, (3) circadian rhythms, (4) common medical illnesses that affect sleep and sleepiness, and (5) medications that affect sleep and sleepiness. Consequences of disturbed sleep and sleepiness are also reviewed, including cognitive, emotional, and psychomotor functioning and drowsy driving. PMID:26972034

  4. Miscarriage and occupational activity

    DEFF Research Database (Denmark)

    Bonde, Jens Peter; Jørgensen, Kristian Tore; Bonzini, Matteo;

    2013-01-01

    . METHODS: A search in Medline and EMBASE 1966-2012 identified 30 primary papers reporting the relative risk (RR) of miscarriage according to ≥1 of 5 occupational activities of interest. Following an assessment of completeness of reporting, confounding, and bias, each risk estimate was characterized as more.......36 (working hours, N=10). RR for working hours and standing became smaller when analyses were restricted to higher quality studies. CONCLUSIONS: These largely reassuring findings do not provide a strong case for mandatory restrictions in relation to shift work, long working hours, occupational lifting...

  5. Variability of bed drag on cohesive beds under wave action

    Science.gov (United States)

    Safak, Ilgar

    2016-01-01

    Drag force at the bed acting on water flow is a major control on water circulation and sediment transport. Bed drag has been thoroughly studied in sandy waters, but less so in muddy coastal waters. The variation of bed drag on a muddy shelf is investigated here using field observations of currents, waves, and sediment concentration collected during moderate wind and wave events. To estimate bottom shear stress and the bed drag coefficient, an indirect empirical method of logarithmic fitting to current velocity profiles (log-law), a bottom boundary layer model for combined wave-current flow, and a direct method that uses turbulent fluctuations of velocity are used. The overestimation by the log-law is significantly reduced by taking turbulence suppression due to sediment-induced stratification into account. The best agreement between the model and the direct estimates is obtained by using a hydraulic roughness of 10  m in the model. Direct estimate of bed drag on the muddy bed is found to have a decreasing trend with increasing current speed, and is estimated to be around 0.0025 in conditions where wave-induced flow is relatively weak. Bed drag shows an increase (up to fourfold) with increasing wave energy. These findings can be used to test the bed drag parameterizations in hydrodynamic and sediment transport models and the skills of these models in predicting flows in muddy environments.

  6. Marketing occupational therapy.

    Science.gov (United States)

    Jacobs, K

    1987-05-01

    Marketing is emerging as an important aspect of the delivery of health care services, including occupational therapy. An understanding of marketing and a knowledge of how to apply its principles will permit therapists to keep pace with the changing health care environment. This article introduces terminology, strategies, and applications of marketing. PMID:3688145

  7. Occupational Neutrophilic Asthma

    Directory of Open Access Journals (Sweden)

    Richard Leigh

    1999-01-01

    Full Text Available Occupational asthma is typically associated with an eosinophilic bronchitis. The case of a 41-year-old woman who developed symptoms of asthma after occupational exposure to metal working fluids is reported. The diagnosis of asthma was confirmed by an forced expiratory volume in 1 s (FEV1 of 1.7 (59% predicted, with 11% reversibility after inhaled bronchodilator and a provocation concentration of methacholine to cause a fall in FEV1 of 20% (PC20 of 0.4 mg/mL. Induced sputum examination showed a marked neutrophilia. Over the next six months, serial sputum analyses confirmed the presence of a marked sterile neutrophilic bronchitis during periods of occupational exposure to metal working fluids, which resolved when the patient was away from work and recurred when she returned to work. The sputum findings were mirrored by corresponding changes in spirometry and PC20 methacholine. The findings indicate the occurrence of occupational asthma associated with an intense, sterile neutrophilic bronchitis after exposure to metal working fluids.

  8. Foodservice Occupations Cluster Guide.

    Science.gov (United States)

    Oregon State Dept. of Education, Salem.

    Intended to assist vocational teachers in developing and implementing a cluster program in food service occupations, this guide contains sections on cluster organization and implementation and instructional emphasis areas. The cluster organization and implementation section covers goal-based planning and includes a proposed cluster curriculum, a…

  9. Are Occupation Numbers Observable?

    OpenAIRE

    Furnstahl, R. J.; Hammer, H. -W.

    2001-01-01

    The question of whether occupation numbers and momentum distributions of nucleons in nuclei are observables is considered from an effective field theory perspective. Field redefinitions lead to variations that imply the answer is negative, as illustrated in the interacting Fermi gas at low density. Implications for the interpretation of (e,e'p) experiments with nuclei are discussed.

  10. A Family Occupation

    NARCIS (Netherlands)

    Vanderwal Taylor, Jolanda

    1997-01-01

    Many of today's Dutch writers were children during World War II. Even today, the traumatic childhood experience of enemy occupation is still central to the work of many of them. This interest cuts across the traditional boundaries between fiction, autobiography and the literature of trauma and recov

  11. Occupational Burnout among Librarians.

    Science.gov (United States)

    Haack, Mary; And Others

    1984-01-01

    Outlines stages of occupational burnout (enthusiasm, stagnation, frustration, apathy) and begins empirical assessment of burnout syndrome among librarians and other information professionals. Results of pilot survey conducted at one-day conference on reference service using two measures (Staff Burnout Scale for Health Professionals, projective…

  12. Ability of bed bug-detecting canines to locate live bed bugs and viable bed bug eggs.

    Science.gov (United States)

    Pfiester, Margie; Koehler, Philip G; Pereira, Roberto M

    2008-08-01

    The bed bug, Cimex lectularius L., like other bed bug species, is difficult to visually locate because it is cryptic. Detector dogs are useful for locating bed bugs because they use olfaction rather than vision. Dogs were trained to detect the bed bug (as few as one adult male or female) and viable bed bug eggs (five, collected 5-6 d after feeding) by using a modified food and verbal reward system. Their efficacy was tested with bed bugs and viable bed bug eggs placed in vented polyvinyl chloride containers. Dogs were able to discriminate bed bugs from Camponotus floridanus Buckley, Blattella germanica (L.), and Reticulitermes flavipes (Kollar), with a 97.5% positive indication rate (correct indication of bed bugs when present) and 0% false positives (incorrect indication of bed bugs when not present). Dogs also were able to discriminate live bed bugs and viable bed bug eggs from dead bed bugs, cast skins, and feces, with a 95% positive indication rate and a 3% false positive rate on bed bug feces. In a controlled experiment in hotel rooms, dogs were 98% accurate in locating live bed bugs. A pseudoscent prepared from pentane extraction of bed bugs was recognized by trained dogs as bed bug scent (100% indication). The pseudoscent could be used to facilitate detector dog training and quality assurance programs. If trained properly, dogs can be used effectively to locate live bed bugs and viable bed bug eggs. PMID:18767752

  13. Occupational contact dermatitis in hairdressers

    DEFF Research Database (Denmark)

    Schwensen, Jakob F; Johansen, Jeanne Duus; Veien, Niels K;

    2013-01-01

    BACKGROUND: Occupational contact dermatitis among hairdressers is frequent, owing to daily exposure to irritants and allergens. OBJECTIVES: To identify sensitization to the most common allergens associated with the occupation of hairdressing. METHODS: Patch test results of 399 hairdressers and 19...

  14. Mission Critical Occupation (MCO) Charts

    Data.gov (United States)

    Office of Personnel Management — Agencies report resource data and targets for government-wide mission critical occupations and agency specific mission critical and/or high risk occupations. These...

  15. Occupational causes of male infertility

    DEFF Research Database (Denmark)

    Bonde, Jens P E

    2013-01-01

    To highlight and discuss the new evidence on occupational and environmental risk to male reproductive function.......To highlight and discuss the new evidence on occupational and environmental risk to male reproductive function....

  16. Identifying Occupationally Specific Affective Behaviors.

    Science.gov (United States)

    Pucel, David J.

    1993-01-01

    Data from two groups of cosmetology instructors (n=15) and two groups of machinist instructors (n=17) validated the Occupational Affective Behavior Analysis instrument as capable of identifying affective behaviors viewed as important to success in a given occupation. (SK)

  17. LSP Composite Test Bed Design

    Science.gov (United States)

    Day, Arthur C.; Griess, Kenneth H.

    2013-01-01

    This document provides standalone information for the Lightning Strike Protection (LSP) Composite Substrate Test Bed Design. A six-sheet drawing set is reproduced for reference, as is some additional descriptive information on suitable sensors and use of the test bed.

  18. Dermatoses Ocupacionais Occupational dermatosis

    Directory of Open Access Journals (Sweden)

    Alice de Oliveira de Avelar Alchorne

    2010-04-01

    Full Text Available Dermatose ocupacional é qualquer alteração da pele, mucosa e anexos, direta ou indiretamente causada, condicionada, mantida ou agravada por agentes presentes na atividade ocupacional ou no ambiente de trabalho. Os autores referem a importância do tema, a epidemiologia e a etiopatogenia das principais dermatoses ocupacionais: dermatites de contato irritativas e alérgicas, fitodermatites, acnes (elaioconiose e cloracne, ceratoses, cânceres, granulomas de corpo estranho, infecções, oníquias e ulcerações. A clínica da dermatose ocupacional é apresentada em diferentes profissões. Analisam-se os exames laboratoriais pedidos nessas dermatoses, com especial destaque para testes de contato, que são o padrão ouro, e fornecem-se dados do tratamento e prevenção; quanto à prevenção da dermatose ocupacional, informam-se as medidas coletivas e individuais, especialmente, no que respeita ao uso adequado dos equipamentos de proteção individual.Occupational Dermatosis is described as any alteration in the skin, mucosa or annexes that is directly or indirectly caused, conditioned, maintained or aggravated by agents present in the occupational activity or work environment. The authors of the present study describe the importance of the topic and the epidemiology and etiopathogeny of the main forms of occupational dermatoses: allergic and irritative contact dermatitis, phytodermatitis, acne (elaioconioses and chloracne, keratosis, cancers, foreign body granuloma, infections, onychias, and ulcerations. Clinical findings of occupational dermatosis are presented in relation to various professions. Laboratory tests used to diagnose this condition are analysed, with special emphasis on patch testing, which is the gold standard. Information about the treatment and prevention of this disorder is provided. Collective and individual measures, especially regarding the proper use of individual protection equipment for the prevention of occupational

  19. Occupational protein contact dermatitis.

    Science.gov (United States)

    Barbaud, Annick; Poreaux, Claire; Penven, Emmanuelle; Waton, Julie

    2015-12-01

    Occupational contact dermatitis is generally caused by haptens but can also be induced by proteins causing mainly immunological contact urticaria (ICU); chronic hand eczema in the context of protein contact dermatitis (PCD). In a monocentric retrospective study, from our database, only 31 (0.41%) of patients with contact dermatitis had positive skin tests with proteins: 22 had occupational PCD, 3 had non-occupational PCD, 5 occupational ICU and 1 cook had a neutrophilic fixed food eruption (NFFE) due to fish. From these results and analysis of literature, the characteristics of PCD can be summarized as follows. It is a chronic eczematous dermatitis, possibly exacerbated by work, suggestive if associated with inflammatory perionyxix and immediate erythema with pruritis, to be investigated when the patient resumes work after a period of interruption. Prick tests with the suspected protein-containing material are essential, as patch tests have negative results. In case of multisensitisation revealed by prick tests, it is advisable to analyse IgE against recombinant allergens. A history of atopy, found in 56 to 68% of the patients, has to be checked for. Most of the cases are observed among food-handlers but PCD can also be due to non-edible plants, latex, hydrolysed proteins or animal proteins. Occupational exposure to proteins can thus lead to the development of ICU. Reflecting hypersensitivity to very low concentrations of allergens, investigating ICU therefore requires caution and prick tests should be performed with a diluted form of the causative protein-containing product. Causes are food, especially fruit peel, non-edible plants, cosmetic products, latex, animals. PMID:26242922

  20. Occupational diseases in Poland, 2014

    OpenAIRE

    Neonila Szeszenia-Dąbrowska; Urszula Wilczyńska

    2016-01-01

    Background: The aim of the annual analysis of the incidence of occupational diseases in Poland is to evaluate the extent of the incidence and to identify its causes as well as activities involving factors that are harmful or annoying to such an extent that they result in occupational diseases. Material and methods: Occupational diseases reporting forms supplied to the Central Register of Occupational Diseases were used as the study material. Results: In 2014, there were 2351 cases of occupati...

  1. Occupational diseases in Poland, 2012

    OpenAIRE

    Urszula Wilczyńska; Wojciech Sobala; Neonila Szeszenia-Dąbrowska

    2013-01-01

    Background: The aim of the paper was to present basic statistical data on occupational diseases diagnosed in 2012. Material and Methods: The work was based on the data from "Occupational Disease Reporting Forms" received by the Central Register of Occupational Diseases in 2012. The data comprised information on nosologic units, gender and age of patients, duration of occupational exposure, sections of the national economy and voivodeships. The incidence was specified in terms of the number of...

  2. Occupational chronic obstructive pulmonary disease

    DEFF Research Database (Denmark)

    Omland, Oyvind; Würtz, Else Toft; Aasen, Tor Brøvig;

    2014-01-01

    Occupational-attributable chronic obstructive pulmonary disease (COPD) presents a substantial health challenge. Focusing on spirometric criteria for airflow obstruction, this review of occupational COPD includes both population-wide and industry-specific exposures.......Occupational-attributable chronic obstructive pulmonary disease (COPD) presents a substantial health challenge. Focusing on spirometric criteria for airflow obstruction, this review of occupational COPD includes both population-wide and industry-specific exposures....

  3. Radiation protection in occupational health

    International Nuclear Information System (INIS)

    The document is a training manual for physicians entering the field of occupational medicine for radiation workers. Part 1 contains the general principles for the practice of occupational health, namely health surveillance and the role of the occupational physician in the workplace, and Part 2 provides the essential facts necessary to understand the basic principles of radiation physics, radiobiology, dosimetry and radiation effects which form the basis for occupational radiation health

  4. Occupational Neurological Disorders in Korea

    OpenAIRE

    Kim, Eun-A; Kang, Seong-Kyu

    2010-01-01

    The purpose of this article was to provide a literature review of occupational neurological disorders and related research in Korea, focusing on chemical hazards. We reviewed occupational neurological disorders investigated by the Occupational Safety and Health Research Institute of Korean Occupational Safety and Health Agency between 1992 and 2009, categorizing them as neurological disorders of the central nervous system (CNS), of the peripheral nervous system (PNS) or as neurodegenerative d...

  5. Occupational Skin Diseases in Korea

    OpenAIRE

    Ahn, Yeon-Soon; Kim, Min-Gi

    2010-01-01

    Skin disease is the most common occupational disease, but the reported number is small in Korea due to a difficulty of detection and diagnosis in time. We described various official statistics and data from occupational skin disease surveillance system, epidemiological surveys and cases published in scientific journals. Until 1981, 2,222 cases of occupational skin disease were reported by Korean employee's regular medical check-up, accounting for 4.9% of the total occupational diseases. There...

  6. Occupational Psychiatric Disorders in Korea

    OpenAIRE

    Choi, Kyeong-Sook; Kang, Seong-Kyu

    2010-01-01

    We searched databases and used various online resources to identify and systematically review all articles on occupational psychiatric disorders among Korean workers published in English and Korean before 2009. Three kinds of occupational psychiatric disorders were studied: disorders related to job stress and mental illness, psychiatric symptoms emerging in victims of industrial injuries, and occupational psychiatric disorders compensated by Industrial Accident Compensation Insurance (IACI). ...

  7. Masonry. Occupational Competency Analysis Profile.

    Science.gov (United States)

    Ohio State Univ., Columbus. Vocational Instructional Materials Lab.

    This Occupational Competency Analysis Profile (OCAP) for masonry occupations contains a competency list verified by expert workers and developed through a modified DACUM (Developing a Curriculum) involving business, industry, labor, and community agency representatives from Ohio. This OCAP identifies the occupational, academic, and employability…

  8. Do-it-yourself Bed Bug Control

    Science.gov (United States)

    ... Bed Bug Control Do-it-yourself Bed Bug Control Can you treat and eliminate the bed bugs ... all of the residents to participate. Achieving complete control can take weeks to months, depending on the ...

  9. Comparison of Fixed and Fluidized Beds Adsorber with Economic, Engineering, and Environmental approach

    Directory of Open Access Journals (Sweden)

    SEDIGHEH ATRKAR-ROSHAN

    2015-10-01

    Full Text Available Release  Volatile  organic  compounds  (VOCs  as  environmental  and  occupational  pollutant  cause  macro perspective affect such as climate change, humans and economic consequences. Although fixed bed absorber is widely used as a controlling method because of its economically and availability, but these absorbers are facing some issue like high pressure drop, non-uniform distribution of fluid, channeling and blocking. Fixed and fluidized beds adsorbent was compared from three economic, environmental and engineering perspectives using Multi Criteria Decision Making analysis (MCDA technique. An annular fluidized bed adsorber was designed and charged with 50-100 µm (100-140 ASTM mesh activated carbon (AC particles. Effects of factors like flow rate, particle size, inlet concentration and adsorption capacity of VOCs was investigated under steady state. In the flow rate less than 0.25(Lit.min-1, inlet gas slowly passes through the void spaces of the bed’s particles. By increasing the inlet flow from 0.3(Lit/min-1, bubbles start to form in the bed and the bed pressure drop decrease. The pressure drop of 6 (g of AC in minimum fluidization velocity was 20(KN.m-2. However, the pressure drop of 10 and 20(g of AC were 150 and 420(KN.m-2 respectively. “maximin” technique used for comparison of two beds indicated that minimum score of pack bed absorber are 0.37 while the minimum score of fluidized bed adsorber are 0.5. It indicated when the adsorbent particles are smaller, fluidized bed adsorber are more suitable to use. In addition, using MCDA technique indicated that annular fluidized bed adsorber could considered as an alternative of fixed beds adsorber.

  10. Occupational Contact Dermatitis

    Directory of Open Access Journals (Sweden)

    Sasseville Denis

    2008-06-01

    Full Text Available Occupational contact dermatitis accounts for 90% of all cases of work-related cutaneous disorders. It can be divided into irritant contact dermatitis, which occurs in 80% of cases, and allergic contact dermatitis. In most cases, both types will present as eczematous lesions on exposed parts of the body, notably the hands. Accurate diagnosis relies on meticulous history taking, thorough physical examination, careful reading of Material Safety Data Sheets to distinguish between irritants and allergens, and comprehensive patch testing to confirm or rule out allergic sensitization. This article reviews the pathogenesis and clinical manifestations of occupational contact dermatitis and provides diagnostic guidelines and a rational approach to management of these often frustrating cases.

  11. Occupational safety motivation

    DEFF Research Database (Denmark)

    Pedersen, Louise; Kines, Pete

    2010-01-01

    Background: Motivation is one of the most important factors for safety behaviour and for implementing change in general. However, theoretical and psychometric studies of safety performance have traditionally treated safety motivation, safety compliance and safety participation unidimensionally. At...... the same time many motivation questionnaire items are seldom founded on theory and/or do not account for the theories’ ontological and epistemological differences, e.g. of how knowledge, attitude and action are related. Present questionnaire items tap into occupational safety motivation in asking...... whether or not respondents ‘are’ motivated and whether they feel that safety is important or worthwhile. Another important aspect is ‘what’ motivates workers to comply to and participate in safety. The aim of this article is to introduce a new theory-based occupational safety motivation scale which is...

  12. MEASURES OF OCCUPATIONAL MISMATCH

    Directory of Open Access Journals (Sweden)

    Monica Mihaela MAER MATEI

    2014-11-01

    Full Text Available The research developed in this paper is based on micro data available in Programme for the International Assessment of Adult Competencies (PIAAC. The research aimed to estimate the size of both forms of labour market mismatch: education mismatch and skill mismatch. The first measure of job mismatch is based on workers’ self-assessment. The second one uses the PIAAC assessment regarding the proficiency for each skill dimension (literacy, numeracy and problem solving in technology rich environments. The labor market mismatch was measured for Spain and Italy datasets for the higher education graduates whose occupations are included in Major Group two Professionals, according to the International Standard Classification of Occupations. The estimation results showed that the two measures of labour market mismatch are not correlated.

  13. Embracing Creativity in Occupational Therapy

    Directory of Open Access Journals (Sweden)

    Lydia Royeen, MOT, OTR/L

    2015-01-01

    Full Text Available Jen Gash, an occupational therapist and creativity coach living in the UK, provided the cover art for the winter 2015 issue of The Open Journal of Occupational Therapy. The picture is titled “Over the Exe.” Jen uses her inspiration of the Kawa River model in this painting. The painting is of her husband and daughter standing where the river meets the sea. This is a metaphoric representation of rejoining the greater collective. In addition, Jen has a passion for occupational therapists to encompass creativity. A core aspect of occupational therapy is the multi-dimensional concept of occupations; it allows for occupational therapists to incorporate creativity into daily practice. Jen’s goal is for occupational therapy to embrace its creative theoretical roots.

  14. Bed leasing program helps hospitals discharge hard-to-place patients.

    Science.gov (United States)

    2015-12-01

    UCLA Health's program that pays a negotiated daily rate to skilled nursing facilities to hold beds for patients who otherwise would stay in an acute care bed saved a total of 2,516 acute care days from June 2014 to July 2015. UCLA Health pays a negotiated daily rate if the beds are occupied or not. The rate covers boarding, nursing care, medications, and physical therapy and occupational therapy Nurse practitioners are embedded in the participating nursing homes and provide care for UCLA Health's patients every day, often treating problems that might cause a readmission. The program helps with emergency department throughput and frees up acute care beds for patients who need them. PMID:26642611

  15. Occupational trajectories and occupational cost among Senegalese immigrants in Europe

    Directory of Open Access Journals (Sweden)

    Ognjen Obucina

    2013-03-01

    Full Text Available BACKGROUND Immigration from Africa to Europe has increased substantially in recent decades. The main goal of this paper is to contribute to a better understanding of contemporary international migration processes by analyzing the occupational trajectories and occupational costs of Senegalese immigrants in three major European destination countries (France, Italy, and Spain. OBJECTIVE The first objective is to compare the occupational attainment of the Senegalese immigrants before and after migration to Europe, as well as to establish the determinants of the immigrants' occupational attainment and occupational mobility levels after migration. Another major goal is to estimate the occupational cost of migration from Senegal to Europe. The central question this study intends to answer is how much, in terms of occupational status, Senegalese immigrants renounce by migrating to Europe, in both the short and the long term. METHODS The data stem from the Senegalese sample of the MAFE dataset. The standard OLS techniques are used in the analysis of occupational attainment, while discrete-time multinomial logit is used in the section on occupational mobility. The principal techniques for the estimation of occupational cost of migration are random effects with Mundlak correction and nearest-neighbor matching. RESULTS There is a U-shaped pattern of occupational mobility among Senegalese immigrants in Europe: the average occupational status of this group drops just after arrival in Europe, and then slowly improves with the duration of stay. The multivariate analysis reveals that education acquired in Europe plays an especially important role in the successful participation of this immigrant group in the labor market. The results show that there is a statistically significant occupational cost of migration from Senegal to Europe, but that the cost decreases with the duration of stay in Europe.

  16. Occupational monitoring in intracavitary radium therapy

    International Nuclear Information System (INIS)

    In Brazil, the highest incidence of cancer in females is in the uterine cervix, in which Bracytherapy treatment plays a very important role. The majority of our Clinics use 226Ra or 137Cs tubes to perform this therapy. As many of these Clinics do not use the afterloading technique, we investigated the occupational exposure for the staffs belonging to two big Hospitals in Rio de Janeiro, where the working conditions are very different. For this, besides the normal film badge, placed in the upper part of the trunk, each person has been provided with seven additional thermoluminescent dosimeters (chips - 7LiF) placed at: left ring finger, right ring finger, forehead (between the eyes), over the thyroid, in the midle of the back and the front of the trunk, and over the gonadal region. In Hospital A, where the staff is composed of 1 medical doctor and 1 nurse, they treat about 13 patients per month. In Hospital B, the staff was composed of 12 medical doctors, 2 technicians and 7 murses, and about 20 patients are treated monthly. The occupational exposures have been investigated separately for each step of the 226Ra routine. From these results we could easily identify that: the nurses working in the infermary do not use the lateral lead protection of beds to clean the patients; in Hospital B, where there are perfect conditions for storage and manipulation of the radioactive sources, the technician in charge of these tasks, together with the transport of the applicator, except in his hands, suffers no exposure at all. Besides that, we could also see that in Hospital A, where the nurse plays also the role of that technician, and the local protection conditions are not correct, the estimated annual exposures are still below the annual limits according to ICRP N0. 26/1977. This analysis has been completed with measures of occupational exposures in Clinics using the after loading technique. (author)

  17. Sea bed mapping and inspection

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    The conference has 24 presentations on the topics: Sea bed mapping, inspection, positioning, hydrography, marine archaeology, remote operation vehicles and computerized simulation technologies, oil field activities and plans, technological experiences and problems. (tk)

  18. Torsion testing of bed joints

    DEFF Research Database (Denmark)

    Hansen, Klavs Feilberg; Pedersen, Carsten Mørk

    2008-01-01

    This paper describes a simple test method for determining the torsion strength of a single bed joint between two bricks and presents results from testing using this test method. The setup for the torsion test is well defined, require minimal preparation of the test specimen and the test can be...... carried out directly in a normal testing machine. The torsion strength is believed to be the most important parameter in out-of-plane resistance of masonry walls subjected to bending about an axis perpendicular to the bed joints. The paper also contains a few test results from bending of small walls about...... an axis perpendicular to the bed joints, which indicate the close connection between these results and results from torsion tests. These characteristics make the torsion strength well suited to act as substitute parameter for the bending strength of masonry about an axis perpendicular to the bed...

  19. [Occupational allergies to papain].

    Science.gov (United States)

    van Kampen, V; Merget, R; Brüning, T

    2005-06-01

    Occupational exposure against dusts of plant, bacterial, mould, and animal enzymes is long known to be associated with a high risk of specific sensitization. The present evaluation of literature data confirms that this is also true for papain. This frequently used industrial protease is derived from papaya (Carica papaya). Several cases of specific airway sensitization caused by papain are verified by a number of case reports and cross sectional studies. As symptoms, results of skin prick tests, detection of specific IgE-antibodies and results of specific bronchoprovocation tests are consistent, an immunologic mechanism can be assumed. PMID:15991076

  20. Asma ocupacional Occupational asthma

    Directory of Open Access Journals (Sweden)

    P. Cebollero

    2005-01-01

    Full Text Available Asma ocupacional es aquella entidad que se desarrolla por causas o condiciones derivadas de un determinado medio laboral y no por estímulos que se encuentran fuera del trabajo. El asma ocupacional constituye hoy en día la enfermedad respiratoria ocupacional más frecuente en la mayoría de los países industrializados y se calcula que la proporción de nuevos casos de asma atribuibles a la exposición laboral se sitúa en torno al 10-15%. Puede desarrollarse tanto por un mecanismo inmunológico como no inmunológico. En su desarrollo influyen el tipo de agente al que se está expuesto, el nivel y modo de exposición y factores genéticos de susceptibilidad. En el proceso diagnóstico concurre la confirmación de que el paciente tiene asma bronquial y la confirmación de que ésta se produce por causa laboral. Como demuestra la historia natural de la enfermedad, un diagnóstico precoz y las consiguientes acciones posteriores redundan en un mejor pronóstico de la misma.Occupational asthma is an entity caused by conditions deriving from a certain work milieu and not from stimuli found outside the workplace. Nowadays, occupational asthma is the most frequent respiratory occupational disease in the majority of the industrialised countries and it is estimated that the proportion of new cases of asthma that can be attributed to exposure at work is around 10-15%. It can be developed due to an immunological mechanism or to a non-immunological mechanism. Influential in its development are the type of agent exposed to, the level and form of exposure and genetic factors of susceptibility. In the diagnostic process there is a concurrent confirmation that the patient has bronchial asthma and that this has been caused by occupational reasons. As shown by the natural history of the disease, an early diagnosis and the consequent posterior actions result in an improved prognosis.

  1. Kanerva's Occupational Dermatology

    DEFF Research Database (Denmark)

    Madsen, Jakob Torp

    Nanoparticles are ultra small particles less than 100 nm in diameter. Nanoparticles may have altered physical and chemical properties compared to their larger-scale counterparts due to increased surface area. Nanoparticles are used in various industrial products including cosmetics, pharmaceutica......, electronics, paint, and sports equipment. No harmful effects of occupational skin exposure to nanoparticles have been published. Risk assessment must be done on a case-by-case basis for each workplace scenario and for each individual nanoparticle because of lack of knowledge....

  2. Occupational exposure to ionizing radiation

    International Nuclear Information System (INIS)

    An overview of occupational exposure is presented. Concepts and quantities used for radiation protection are explained as well as the ICRP system of dose limitation. The risks correlated to the limits are discussed. However, the actual exposure are often much lower than the limits and the average risk in radiation work is comparable with the average risk in other safe occupations. Actual exposures in various occupations are presented and discussed. (author)

  3. Occupational burnout among nursing personel

    OpenAIRE

    Sylwia Wieder-Huszla; Beata Żak; Anna Jurczak; Katarzyna Augustyniuk; Daria Schneider-Matyka

    2016-01-01

    Background. Occupational stress and the related burnout syndrome is undoubtedly one of the most important challenges for public health. Objectives . The objective of the study was identifying occupational burnout among nurses. Material and methods . The questionnaire was responded by 408 professionally active male and female nurses, working in the territory of the West Pomeranian Voivodeship. In the evaluation of occupational burnout the standardized Maslach Burnout Inventory (MBI...

  4. Occupational cancer. 4. enlarged ed.

    International Nuclear Information System (INIS)

    In the fourth, supplementary edition work related cancer illnesses which from 1978 to 1990 were recognized by the Industrial Professional Associations as occupational diseases are described. This covers: Type of occupational disease, organs affected, causal substances, hazardous professions. In addition, for every occupational-disease, detailed data are presented, e.g. latency periods and ages at death. 16 carcinogenic substances and substance classes are considered in this catalogue including ionizing radiation. (orig./MG)

  5. Occupational Health for Healthcare Providers

    Science.gov (United States)

    ... prevention practices. They can reduce your risk of health problems. Use protective equipment, follow infection control guidelines, ... manage stress. National Institute for Occupational Safety and Health

  6. [Peculiarity of the occupational physician].

    Science.gov (United States)

    Pagliaro, G; Simonini, S; del Bufalo, P; Serra, A; Ramistella, E

    2011-01-01

    Aim of this contribution is to consider, although in a concise way, the peculiarity of the Occupational Physician's activity operating in Health care sector, that employs about 5% of Italian workers. Particularly, we bring into focus the global roll that the Occupational Physician must fulfil in a reality where he is the protagonist towards the safeguard of the worker's safe, already submitted to several occupational risks, and about the safety of the third parties, which is more important than in other sectors. Shared elaboration in this article shows that Occupational Physician of the Health care sector has the same problems and expectations everywhere, in our Country. PMID:23393851

  7. Efficacy of an Essential Oil-Based Pesticide for Controlling Bed Bug (Cimex lectularius Infestations in Apartment Buildings

    Directory of Open Access Journals (Sweden)

    Changlu Wang

    2014-11-01

    Full Text Available Bed bugs (Cimex lectularius L. and Cimex hemipterus F. are among the most difficult urban pests to manage. Many essential oil-based bed bug control products that are considered reduced risk to mammals compared to synthetic insect neurotoxins have become commercially available, but their effectiveness as a stand-alone control method is unknown. This study assessed the field efficacy of an essential oil-based bed bug control product (EcoRaider; a.i. 1% geraniol + 1% cedar oil + 2% sodium lauryl sulfate compared to a pyrethroid and neonicotinoid mixture spray (0.075% Temprid SC; a.i. beta-cyfluthrin + imidacloprid. After 12 weeks, the three treatments—EcoRaider, Temprid SC, and EcoRaider + Temprid SC caused 92.5 ± 2.7, 92.9 ± 3.0, and 91.7% ± 2.7% bed bug count reduction, respectively. No significant differences existed in the bed bug reduction among the treatments. Bed bugs were eliminated from only 22% of the treated apartments. Among those still with bed bugs, 76% of the residents did not know bed bugs were present. We documented the residents’ self-control practices and discussed the potential of using essential oil-based insecticides in bed bug management programs to minimize the health risks to building occupants and pets and to slow down the development of insecticide resistance.

  8. Efficacy of an Essential Oil-Based Pesticide for Controlling Bed Bug (Cimex lectularius) Infestations in Apartment Buildings.

    Science.gov (United States)

    Wang, Changlu; Singh, Narinderpal; Cooper, Richard

    2014-01-01

    Bed bugs (Cimex lectularius L. and Cimex hemipterus F.) are among the most difficult urban pests to manage. Many essential oil-based bed bug control products that are considered reduced risk to mammals compared to synthetic insect neurotoxins have become commercially available, but their effectiveness as a stand-alone control method is unknown. This study assessed the field efficacy of an essential oil-based bed bug control product (EcoRaider; a.i. 1% geraniol + 1% cedar oil + 2% sodium lauryl sulfate) compared to a pyrethroid and neonicotinoid mixture spray (0.075% Temprid SC; a.i. beta-cyfluthrin + imidacloprid). After 12 weeks, the three treatments-EcoRaider, Temprid SC, and EcoRaider + Temprid SC caused 92.5 ± 2.7, 92.9 ± 3.0, and 91.7% ± 2.7% bed bug count reduction, respectively. No significant differences existed in the bed bug reduction among the treatments. Bed bugs were eliminated from only 22% of the treated apartments. Among those still with bed bugs, 76% of the residents did not know bed bugs were present. We documented the residents' self-control practices and discussed the potential of using essential oil-based insecticides in bed bug management programs to minimize the health risks to building occupants and pets and to slow down the development of insecticide resistance. PMID:26462944

  9. Fluid bed porosity equation for an inverse fluidized bed bioreactor with particles growing biofilm

    International Nuclear Information System (INIS)

    Fluid Bed Bioreactor performance is strongly affected by bed void fraction or bed porosity fluctuations. Particle size enlargement due to biofilm growth is an important factor that is involved in these variations and until now there are no mathematical equations that consider biofilm growth. In this work a mathematical equation is proposed to calculate bed void fraction in an inverse fluid bed bioreactor. (Author)

  10. The effect of occupational meaningfulness on occupational commitment

    Directory of Open Access Journals (Sweden)

    Itai Ivtzan

    2014-11-01

    Full Text Available Existing research lacks a scholarly consensus on how to define and validly measure ‘meaningful work’ (e.g., Rosso, Dekas & Wrzesniewski, 2010. The following correlational study highlights the value of investigating meaningfulness in the context of occupational commitment. The study hypothesizes that occupational commitment is positively correlated with occupational meaningfulness, where meaningfulness is defined as the extent to which people’s occupations contribute to personal meaning in life. One-hundred and fifty-six full-time office based UK workers completed an online questionnaire including 18 questions measuring levels of occupational commitment (Meyer, Allen & Smith, 1993, in addition to six novel items measuring occupational meaningfulness. The results supported the hypothesis and also showed that the affective sub-type of occupational commitment had the highest correlation with occupational meaningfulness. Such results exhibit the importance of finding meaning at work, as well as the relevance of this to one’s level of commitment to his or her job. This paper argues that individuals should consider OM before choosing to take a specific role, whereas organizations ought to consider the OM of their potential candidates before recruiting them into a role. Possible directions for future research directions are also discussed.

  11. Occupational Mental Health, Labor Accidents and Occupational Diseases

    Science.gov (United States)

    Naveillan, F. Pedro

    1973-01-01

    The article discusses the relationship between mental health and labor accidents as it pertains to accident prevention, treatment of accident victims, and their rehabilitation. It also comments briefly on mental health and occupational diseases and the scope of the field of occupational mental health from a Chilean perspective. (AG)

  12. Particle motion in fluidised beds

    International Nuclear Information System (INIS)

    Gas fluidised beds are important components in many process industries, e.g. coal combustors and granulators, but not much is known about the movement of the solids. Positron Emission Particle Tracking (PEPT) enables the movement of a single, radioactive tracer particle to be followed rapidly and faithfully. Experiments were carried out in columns sized between 70 and 240mm. diameter, operating in the bubbling regime at ambient process conditions using particles of group B and D (Geldart Classification). Particle motion was tracked and the data applied to models for particle movement at the gas distributor as well as close to other surfaces and to models for particle circulation in beds of cohesive particles. In the light of these data, models for particle and bubble interaction, particle circulation, segregation, attrition, erosion, heat transfer and fluidised bed scale-up rules were reassessed. Particle motion is directly caused by bubble motion, and their velocities were found to be equal for particles travelling in a bubble. PEPT enables particle circulation to be measured, giving a more accurate correlation for future predictions. Particle motion follows the scale-up rules based on similarities of the bubble motion in the bed. A new group of parameters was identified controlling the amount of attrition in fluidised beds and a new model to predict attrition is proposed. (author)

  13. Clinical physiology of bed rest

    Science.gov (United States)

    Greenleaf, John E.

    1993-01-01

    Maintenance of optimal health in humans requires the proper balance between exercise, rest, and sleep as well as time in the upright position. About one-third of a lifetime is spent sleeping; and it is no coincidence that sleeping is performed in the horizontal position, the position in which gravitational influence on the body is minimal. Although enforced bed rest is necessary for the treatment of some ailments, in some cases it has probably been used unwisely. In addition to the lower hydrostatic pressure with the normally dependent regions of the cardiovascular system, body fuid compartments during bed rest in the horizontal body position, and virtual elimination of compression on the long bones of the skeletal system during bed rest (hypogravia), there is often reduction in energy metabolism due to the relative confinement (hypodynamia) and alteration of ambulatory circadian variations in metabolism, body temperature, and many hormonal systems. If patients are also moved to unfamiliar surroundings, they probably experience some feelings of anxiety and some sociopsychological problems. Adaptive physiological responses during bed rest are normal for that environment. They are attempts by the body to reduce unnecessary energy expenditure, to optimize its function, and to enhance its survival potential. Many of the deconditioning responses begin within the first day or two of bed rest; these early responses have prompted physicians to insist upon early resumption of the upright posture and ambulation of bedridden patients.

  14. Precision Machining Technologies. Occupational Competency Analysis Profile.

    Science.gov (United States)

    Ohio State Univ., Columbus. Vocational Instructional Materials Lab.

    This Occupational Competency Analysis Profile (OCAP), which is one of a series of OCAPs developed to identify the skills that Ohio employers deem necessary to entering a given occupation/occupational area, lists the occupational, academic, and employability skills required of individuals entering the occupation of precision machinist. The…

  15. Occupational accidents aboard merchant ships

    OpenAIRE

    Hansen, H; Nielsen, D; Frydenberg, M

    2002-01-01

    Objectives: To investigate the frequency, circumstances, and causes of occupational accidents aboard merchant ships in international trade, and to identify risk factors for the occurrence of occupational accidents as well as dangerous working situations where possible preventive measures may be initiated.

  16. Relations of occupational stress to occupational class in Japanese civil servants : analysis by two occupational stress models

    OpenAIRE

    Kawaharada, Mariko; Saijo, Yasuaki; Yoshioka, Eiji; Sato, Tetsuro; Sato, Hirokazu; Kishi, Reiko

    2007-01-01

    The aim of the present study was to identify relations between occupational stress and occupational class in Japanese civil servants, using two occupational stress models – the Effort-Reward Imbalance (ERI) Model and the Job Demand-Control (JDC) Model. The subjects were employees of three local public organizations. We distributed self-administered questionnaires and assessed occupational stress by ERI and JDC. We used seven occupational categories based on the Standard Occupational Classific...

  17. An Exploration of the Role of Occupation in School-Based Occupational Therapy Practice

    Science.gov (United States)

    Benson, Jeryl DiSanti

    2010-01-01

    The purpose of this study was to explore the role of occupation in school-based occupational therapy practice. The research questions were (1) How do school-based occupational therapists describe the role of occupation during intervention? (2) Which theories of occupation do school-based occupational therapists associate with their own practice?…

  18. Occupational ergonomics in space

    Science.gov (United States)

    Stramler, J.

    1992-01-01

    Ergonomics is often defined simply as the study of work. Related or synonymous terms include human factors, human engineering, engineering psychology, and others. Occupational ergonomics is a term that has been proposed to describe the study of the working environment, including the physical consequences resulting from having an improperly designed workplace. The routine space working environment presents some problems not found in the typical Earthbound workplace. These include radiation, intravehicular contamination/pollution, temperature extremes, impact with other objects, limited psychosocial relationships, sensory deprivation, and reduced gravity. These are important workplace considerations, and may affect astronauts either directly at work or at some point during their life as a result of their work under these conditions. Some of the major issues associated with each of these hazards are presented.

  19. [Ergonomics and occupational therapy].

    Science.gov (United States)

    Capodaglio, E M

    2010-01-01

    Occupational ergonomics mostly deals with risk assessment and design/redesign of the work layout, oriented to enhance the worker's safety and wellbeing and the system's efficiency. Risk assessment is the fundamental phase, conducted through international standards and guidelines, according to the different areas. Then the risk level is connected with preventive or corrective measures. This second phase is direct to organizational, ergonomic, engeneering interventions but it behaves in essential way the employer participation. At this scope, educational, training and technological tools are available. Ergonomics configure itself as a valid complement in the return-to-work phase, providing for workstation adjustment or job modification, contributing to enhance safety and comfort and to reduce the risk of injury and disability in the worker. PMID:21438256

  20. Corporate Cost of Occupational Accidents

    DEFF Research Database (Denmark)

    Rikhardsson, Pall M.; Impgaard, M.

    2004-01-01

    The systematic accident cost analysis (SACA) project was carried out during 2001 by The Aarhus School of Business and PricewaterhouseCoopers Denmark with financial support from The Danish National Working Environment Authority. Its focused on developing and testing a method for evaluating...... occupational costs of companies for use by occupational health and safety professionals. The method was tested in nine Danish companies within three different industry sectors and the costs of 27 selected occupational accidents in these companies were calculated. One of the main conclusions is that the SACA...... method could be used in all of the companies without revisions. The evaluation of accident cost showed that 2/3 of the costs of occupational accidents are visible in the Danish corporate accounting systems reviewed while 1/3 is hidden from management view. The highest cost of occupational accidents...

  1. DOE 2012 occupational radiation exposure

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2013-10-01

    The U.S. Department of Energy (DOE) Office of Analysis within the Office of Health, Safety and Security (HSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE (including the National Nuclear Security Administration [NNSA]). The DOE 2012 Occupational Radiation Exposure Report provides an evaluation of DOE-wide performance regarding compliance with Title 10, Code of Federal Regulations (C.F.R.), Part 835, Occupational Radiation Protection dose limits and as low as reasonably achievable (ALARA) process requirements. In addition, the report provides data to DOE organizations responsible for developing policies for protection of individuals from the adverse health effects of radiation. The report provides a summary and an analysis of occupational radiation exposure information from the monitoring of individuals involved in DOE activities. Over the past 5-year period, the occupational radiation exposure information is analyzed in terms of aggregate data, dose to individuals, and dose by site.

  2. DOE 2011 occupational radiation exposure

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2012-12-01

    The U.S. Department of Energy (DOE) Office of Analysis within the Office of Health, Safety and Security (HSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE (including the National Nuclear Security Administration [NNSA]). The DOE 2011 Occupational Radiation Exposure Report provides an evaluation of DOE-wide performance regarding compliance with Title 10, Code of Federal Regulations (C.F.R.), Part 835, Occupational Radiation Protection dose limits and as low as reasonably achievable (ALARA) process requirements. In addition, the report provides data to DOE organizations responsible for developing policies for protection of individuals from the adverse health effects of radiation. The report provides a summary and an analysis of occupational radiation exposure information from the monitoring of individuals involved in DOE activities. The occupational radiation exposure information is analyzed in terms of aggregate data, dose to individuals, and dose by site over the past five years.

  3. Daily Occupations among asylum seekers

    DEFF Research Database (Denmark)

    Morville, Anne-Le

    2014-01-01

    Asylum seekers often find themselves in a situation where the structure and content of daily occupations have been disrupted and they might have limited access to paid work and education. Studies have shown that asylum seekers experience occupational deprivation and a change in daily occupations...... which might even influence their identity. Such deprivation can eventually lead to dissatisfaction with everyday life and to occupational dysfunction, i.e. a decline in ADL ability. Asylum seekers are a group who are more likely to suffer from health problems than the background population. Especially...... torture survivors suffer from ill health. Pain and psychological symptoms are among the most frequent health issues for both asylum seekers and torture survivors and may cause occupation-related problems. The overarching aim of this thesis was to investigate how staying in an asylum centre influenced...

  4. Occupational Trends and Program Priorities

    Directory of Open Access Journals (Sweden)

    Dan Rosenthal

    2001-07-01

    Full Text Available Institutions of higher education that respond to the economic base in their region will remain competitive and be better positioned to obtain public funds and donor support. In addition to mandated program viability standards based on measures such as graduation rate, individual institutions and state coordinating boards can use ten-year occupational trend data to assess future program viability. We used an occupational demand model to determine whether academic programs can meet projected statewide needs for high demand and high growth occupations. For example, computer engineering, the highest growth rate occupation in Alabama, is projected to have 365 annual average job openings, with 93.6% total growth over ten years. But only 46 computer engineering majors graduate annually from all Alabama institutions of higher education. We recommend using an occupational demand model as a planning tool, decision-making tool, and catalyst for collaborative initiatives.

  5. Physiology Of Prolonged Bed Rest

    Science.gov (United States)

    Greenleaf, John E.

    1991-01-01

    Report describes physiological effects of prolonged bed rest. Rest for periods of 24 hours or longer deconditions body to some extent; healing proceeds simultaneously with deconditioning. Report provides details on shifts in fluid electrolytes and loss of lean body mass, which comprises everything in body besides fat - that is, water, muscle, and bone. Based on published research.

  6. Occupational diseases in Poland, 2014

    Directory of Open Access Journals (Sweden)

    Neonila Szeszenia-Dąbrowska

    2016-06-01

    Full Text Available Background: The aim of the annual analysis of the incidence of occupational diseases in Poland is to evaluate the extent of the incidence and to identify its causes as well as activities involving factors that are harmful or annoying to such an extent that they result in occupational diseases. Material and Methods: Occupational diseases reporting forms supplied to the Central Register of Occupational Diseases were used as the study material. Results: In 2014, there were 2351 cases of occupational diseases recorded, i.e., 16.5 cases per 100 thousand of employees. The most numerous categories comprised infectious or parasitic diseases (borreliosis, pneumoconiosis, voice disorders and hearing loss (in total 79.7% of cases. The main causative factors of occupational diseases were as follows: industrial dust containing free silica, tick-transmitted Borrelia spirochete, and the way the work is done, including excessive vocal effort, and noise. The highest incidence per 100 thousand workers were recorded in mining and quarrying (296, manufacturing (24.9, education (24.6, agriculture and forestry (24.2 sectors. Conclusions: Compared with the previous year, there was a slight increase in the number of cases of certified occupational diseases (6.2%, primarily due to the increased incidence of Lyme disease. The incidence of voice disorders among teachers continues to vary considerably in individual provinces (0–11.3/10 000, reflecting the use of non-uniform diagnostic and certification methods. Med Pr 2016;67(3:327–335

  7. Occupational neurological disorders in Korea.

    Science.gov (United States)

    Kim, Eun-A; Kang, Seong-Kyu

    2010-12-01

    The purpose of this article was to provide a literature review of occupational neurological disorders and related research in Korea, focusing on chemical hazards. We reviewed occupational neurological disorders investigated by the Occupational Safety and Health Research Institute of Korean Occupational Safety and Health Agency between 1992 and 2009, categorizing them as neurological disorders of the central nervous system (CNS), of the peripheral nervous system (PNS) or as neurodegenerative disorders. We also examined peer-reviewed journal articles related to neurotoxicology, published from 1984 to 2009. Outbreaks of occupational neurological disorder of the CNS due to inorganic mercury and carbon disulfide poisoning had helped prompt the development of the occupational safety and health system of Korea. Other major neurological disorders of the CNS included methyl bromide intoxication and chronic toxic encephalopathy. Most of the PNS disorders were n-hexane-induced peripheral neuritis, reported from the electronics industry. Reports of manganese-induced Parkinsonism resulted in the introduction of neuroimaging techniques to occupational medicine. Since the late 1990s, the direction of research has been moving toward degenerative disorder and early effect of neurotoxicity. To understand the early effects of neurotoxic chemicals in the preclinical stage, more follow-up studies of a longer duration are necessary. PMID:21258587

  8. Embracing Creativity in Occupational Therapy

    OpenAIRE

    Lydia Royeen, MOT, OTR/L

    2015-01-01

    Jen Gash, an occupational therapist and creativity coach living in the UK, provided the cover art for the winter 2015 issue of The Open Journal of Occupational Therapy. The picture is titled “Over the Exe.” Jen uses her inspiration of the Kawa River model in this painting. The painting is of her husband and daughter standing where the river meets the sea. This is a metaphoric representation of rejoining the greater collective. In addition, Jen has a passion for occupational therapists to enco...

  9. Pulling a patient up in bed

    Science.gov (United States)

    Moving a patient in bed ... takes at least two people to safely move a patient up in bed. Friction from rubbing can ... A slide sheet is the best way to prevent friction. If you do not have one, you ...

  10. EMERGING TECHNOLOGY BULLETIN: SPOUTED BED REACTOR

    Science.gov (United States)

    The Spouted Bed Reactor (SBR) technology utilizes the unique attributes of the "spouting " fluidization regime, which can provide heat transfer rates comparable to traditional fluid beds, while providing robust circulation of highly heterogeneous solids, concurrent with very agg...

  11. Pulling a patient up in bed

    Science.gov (United States)

    Moving a patient in bed ... takes at least 2 people to safely move a patient up in bed. Friction from rubbing can ... A slide sheet is the best way to prevent friction. If you do not have one, you ...

  12. Occupational exposure to aflatoxin B1: new (old) occupational risk!

    OpenAIRE

    Viegas, Susana; Veiga, Luísa; Almeida, Ana; Carolino, Elisabete; Paula FIGUEIREDO; Viegas, Carla

    2015-01-01

    Contrary to fungi, exposure to mycotoxins is not usually identified as a risk factor present in occupational settings. This is probably due to the inexistence of limits regarding concentration of airborne mycotoxins, and also due to the fact that these compounds are rarely monitored in occupational environments. Aflatoxin B1 (AFB1) is the most prevalent aflatoxin and is associated with carcinogenicity, teratogenicity, genotoxicity and immunotoxicity but only a few studies examined exposure in...

  13. Occupational mobility, occupation distance and specific human capital

    OpenAIRE

    Robinson, Chris

    2011-01-01

    Measures of occupation distance based on underlying skill portfolios are constructed and used to contrast involuntary and total mobility. One component of total occupational mobility is voluntary mobility, including moves to higher job offers using the same skills, as well as promotions that may reflect augmented skills. These are not sources of specific human capital loss. By contrast, the involuntary mobility component due to plant closure involves a higher incidence of loss of specific cap...

  14. 10. Occupational asthma.

    Science.gov (United States)

    Bardana, Emil J

    2008-02-01

    A diversity of airborne dusts, gases, fumes, and vapors can induce dose-related respiratory symptoms in individuals exposed in the workplace. These agents can cause annoyance reactions, irritational effects, sensitization, or the induction of corrosive changes in the respiratory tract, depending on their composition, concentration, and duration of exposure. The prevalence of occupational asthma (OA) ranges from 9% to 15% of the asthmatic population. Factors that might influence the development of OA include the work environment, climatic conditions, genetic proclivities, tobacco and recreational drug use, respiratory infection, bronchial hyperresponsiveness, and endotoxin exposure. Pathogenetically, new-onset OA can be allergic or nonallergic in origin. The allergic variants are usually caused by high-molecular-weight allergens, such as grain dust and animal or fish protein. Selected low-molecular-weight agents are also capable of inducing allergic OA. Symptoms ensue after a latent period of months to years. Nonallergic OA can be precipitated by a brief high-level exposure to a potent irritant. Symptoms occur immediately or within a few hours of the exposure. Once the diagnosis of allergic OA is established, the worker should be removed from further exposure in the workplace. In nonallergic OA the worker can return to work if the exposure was clearly a nonrecurring event. If the diagnosis is made in a timely fashion, most workers experience improvement. Prevention is the best therapeutic intervention. PMID:18241692

  15. Spiritual Assessments in Occupational Therapy

    Directory of Open Access Journals (Sweden)

    Barbara Hemphill

    2015-07-01

    Full Text Available Spirituality is recognized as an important concept in the study and practice of medicine, including occupational therapy. This aligns with occupational therapy’s core value of treating people holistically—mind, body, and spirit. Currently, the Joint Commission for the Accreditation of Hospital Organizations ( JCAHO requires that a spiritual assessment be given to patients on admission. To conduct effective spiritual assessments, occupational therapists must distinguish between religion and spirituality. They also must be aware of their own spiritual beliefs and practices and how those might influence their clinical interactions. This article presents spiritual assessment tools that occupational therapists can use in clinical practice; they range from history taking, to questionnaires, to observation scales. Guidelines are presented for selecting among several spiritual assessments. A case study is presented in which a patient’s faith tradition is being challenged, which could affect the outcome of therapy. Finally, treatment and intervention planning and ethical considerations are discussed.

  16. DOE 2010 occupational radiation exposure

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2011-11-01

    The U.S. Department of Energy (DOE) Office of Analysis within the Office of Health, Safety and Security (HSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE.* The DOE 2010 Occupational Radiation Exposure Report provides an evaluation of DOE-wide performance regarding compliance with DOE Part 835 dose limits and as low as reasonably achievable (ALARA) process requirements. In addition, the report provides data to DOE organizations responsible for developing policies for protection of individuals from the effects of radiation. The report provides a summary and an analysis of occupational radiation exposure information from the monitoring of individuals involved in DOE activities. The occupational radiation exposure information is analyzed in terms of aggregate data, dose to individuals, and dose by site over the past 5 years.

  17. DOE 2009 occupational radiation exposure

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2010-09-01

    The U.S. Department of Energy (DOE) Office of Corporate Safety Analysis (HS-30) within the Office of Health, Safety and Security (HSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE.* The DOE 2009 Occupational Radiation Exposure Report provides an evaluation of DOE-wide performance regarding compliance with DOE Part 835 dose limits and as low as reasonably achievable (ALARA) process requirements. In addition, the report provides data to DOE organizations responsible for developing policies for protection of individuals from the effects of radiation. The report provides a summary and an analysis of occupational radiation exposure information from the monitoring of individuals involved in DOE activities. The occupational radiation exposure information is analyzed in terms of aggregate data, dose to individuals, and dose by site over the past 5 years.

  18. Sleep in High Stress Occupations

    Science.gov (United States)

    Flynn-Evans, Erin

    2014-01-01

    High stress occupations are associated with sleep restriction, circadian misalignment and demanding workload. This presentation will provide an overview of sleep duration, circadian misalignment and fatigue countermeasures and performance outcomes during spaceflight and commercial aviation.

  19. DOE 2008 occupational radiation exposure

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2009-10-01

    The U.S. Department of Energy (DOE) Office of Corporate Safety Analysis (HS-30) within the Office of Health, Safety and Security (HSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE. The DOE 2008 Occupational Radiation Exposure Report provides an evaluation of DOE-wide performance regarding compliance with DOE Part 835 dose limits and as low as reasonably achievable (ALARA) process requirements. In addition, the report provides data to DOE organizations responsible for developing policies for protection of individuals from the effects of radiation. This report provides a summary and an analysis of occupational radiation exposure information from the monitoring of individuals involved in DOE activities. The occupational radiation exposure information is analyzed in terms of aggregate data, dose to individuals, and dose by site over the past 5 years.

  20. Practical occupational medicine in "practice"

    DEFF Research Database (Denmark)

    Ingemann Larsen, Anders; Schmidt, Jan; Jepsen, Jørgen Riis

    2016-01-01

    In Denmark, the practice of occupational medicine tends to be carried out by specialists in occupational medicine and less so by family physicians. The provision of health service to workers is therefore limited. This constraint may also apply in other developed countries and even more in countries...... with few occupational health resources. This Editorial argues that family physicians are indeed in a position where they can make a major positive difference for their working patients and for the enterprises where they work. Without specialist knowledge in occupational medicine, the family physician......’s empiric knowledge in combination with a narrative approach to the patient permits the contribution from family medicine not only with regard to diagnosis and treatment, but also relating to actions targeted to optimize the patient’s future accommodation at work as well as to protect other similarly...

  1. Occupational Therapist Assistants and Aides

    Science.gov (United States)

    ... More Sources of Data Publications Latest Publications » The Economics Daily Monthly Labor Review Beyond the Numbers Spotlight on Statistics Reports & Bulletins Commissioner's Corner Career Outlook Occupational Outlook Handbook Handbook of Methods Research Papers Copyright Information Contact & ...

  2. Role Models in Aquatic Occupations.

    Science.gov (United States)

    Brown, Mabel C.

    1982-01-01

    Provided for each of 12 minority group role models in aquatic occupations are job responsibilities, educational requirements, comments on a typical day at the job, salary range, and recommendations for students wishing to enter the field described. (JN)

  3. Occupational accidents aboard merchant ships

    DEFF Research Database (Denmark)

    Hansen, H.L.; Nielsen, D.; Frydenberg, Morten

    2002-01-01

    Objectives: To investigate the frequency, circumstances, and causes of occupational accidents aboard merchant ships in international trade, and to identify risk factors for the occurrence of occupational accidents as well as dangerous working situations where possible preventive measures may be...... initiated. Methods: The study is a historical follow up on occupational accidents among crew aboard Danish merchant ships in the period 1993–7. Data were extracted from the Danish Maritime Authority and insurance data. Exact data on time at risk were available. Results: A total of 1993 accidents were...... identified during a total of 31 140 years at sea. Among these, 209 accidents resulted in permanent disability of 5% or more, and 27 were fatal. The mean risk of having an occupational accident was 6.4/100 years at sea and the risk of an accident causing a permanent disability of 5% or more was 0.67/100 years...

  4. Radiation exposure and occupational disease

    International Nuclear Information System (INIS)

    The knowledge about ionising radiation and the compensation of occupational diseases were both improved during the past 50 years. Now, the adverse effects of the radiation can be compensated by two ways: the disease of a claimant is automatically recognised as an occupational disease if all the criteria of the 'sixth table' are fulfilled. When all the previous criteria are not fulfilled, the 'Comites regionaux de reconnaissance en maladie professionnelle' have to estimate the relationship between the usual exposure and the disease. The decisions of the Comites are implicitly based on the probability of causation., However, the non specificity of the diseases, the influence of non occupational factors and the role of low doses lead to uncertainty of risk estimates and probability of causation. The compensation system has to be improved and has to remain consistent whatever the occupational exposure. (author)

  5. Sea otters homogenize mussel beds and reduce habitat provisioning in a rocky intertidal ecosystem.

    Directory of Open Access Journals (Sweden)

    Gerald G Singh

    Full Text Available Sea otters (Enhydra lutris are keystone predators that consume a variety of benthic invertebrates, including the intertidal mussel, Mytilus californianus. By virtue of their competitive dominance, large size, and longevity, M. californianus are ecosystem engineers that form structurally complex beds that provide habitat for diverse invertebrate communities. We investigated whether otters affect mussel bed characteristics (i.e. mussel length distributions, mussel bed depth, and biomass and associated community structure (i.e. biomass, alpha and beta diversity by comparing four regions that varied in their histories of sea otter occupancy on the west coast of British Columbia and northern Washington. Mussel bed depth and average mussel lengths were 1.5 times lower in regions occupied by otters for >20 years than those occupied for <5 yrs. Diversity of mussel bed associated communities did not differ between regions; however, the total biomass of species associated with mussel beds was more than three-times higher where sea otters were absent. We examined alternative explanations for differences in mussel bed community structure, including among-region variation in oceanographic conditions and abundance of the predatory sea star Pisaster ochraceus. We cannot discount multiple drivers shaping mussel beds, but our findings indicate the sea otters are an important one. We conclude that, similar to their effects on subtidal benthic invertebrates, sea otters reduce the size distributions of intertidal mussels and, thereby, habitat available to support associated communities. Our study indicates that by reducing populations of habitat-providing intertidal mussels, sea otters may have substantial indirect effects on associated communities.

  6. Occupational diseases in Poland, 2001.

    Science.gov (United States)

    Pepłońska, Beata; Szeszenia-Dabrowska, Neonila

    2002-01-01

    The Central Register of Occupational Diseases keeps the records of all reported and certified occupational diseases in Poland. In this paper the incidence of occupational diseases in Poland in 2001 is discussed on the basis of the data provided by the Register. The changes in the incidence pattern over the recent 30 years are also shown. In 2001, 6,007 cases of occupational diseases were registered, with the incidence rate of 63.2 per 100,000 employees. The highest incidence rates were noted for seven categories of diseases: the vocal organ diseases, noise-induced hearing loss, pneumoconioses, contagious and invasive diseases, dermatoses, chronic diseases of bronchi, and vibration syndrome. Altogether these diseases covered 5,239 cases (87.2% of all registered cases). Mining and quarrying, agriculture, hunting and forestry, education, health and social works were the economy activities with the highest incidence of occupational diseases. The majority of occupational diseases (93.9%) have developed after a long-term (over 10 years) exposure to particular harmful factors. As much as 58.5% of cases were recorded in males. The predominant occupational diseases in males were occupational hearing lesions, while in females chronic vocal organ diseases, most common in teachers, were most frequently recognized. In Poland, the diseases of the vocal organ poses a serious problem from the medical and socio-economic points of view. These pathologies show the highest dynamics of the incidence among all registered occupational diseases. Over the last five years the vocal organ diseases have moved upwards to the top in the ranking, both with respect to the number of cases and the incidence rate. Since 1998, the incidence of occupational diseases has been continuously showing a downward tendency. Four categories of occupational diseases have accounted mostly for this decline: noise-induced hearing loss, chronic diseases of vocal organ, contagious and invasive diseases, and

  7. 29 CFR 1910.95 - Occupational noise exposure.

    Science.gov (United States)

    2010-07-01

    ... Regulations Relating to Labor (Continued) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR OCCUPATIONAL SAFETY AND HEALTH STANDARDS Occupational Health and Environmental Control § 1910.95 Occupational... three methods developed by the National Institute for Occupational Safety and Health......

  8. Occupational therapy for multiple sclerosis.

    OpenAIRE

    Steultjens, E.M.J.; Dekker, J.; Bouter, L.M.; Cardol, M.; Nes, J.C.M. van de; Ende, C.H.M. van den

    2003-01-01

    Background: Multiple sclerosis (MS) patients are referred to occupational therapy with complaints about fatigue, limb weakness, alteration of upper extremity fine motor coordination, loss of sensation and spasticity that causes limitations in performance of activities of daily living and social participation. The primary purpose of occupational therapy is to enable individuals to participate in self-care, work and leisure activities that they want or need to perform. Objectives: to determine ...

  9. Occupational therapy for rheumatoid arthritis.

    OpenAIRE

    Steultjens, E.M.J.; Dekker, J.; Bouter, L.M.; Schaardenburg, D.J. van; Kuyk, M.A.H. Van; Ende, C.H.M. van den

    2004-01-01

    Background: For persons with rheumatoid arthritis (RA) the physical, personal, familial, social and vocational consequences are extensive. Occupational therapy (OT), with the aim to facilitate task performance and to decrease the consequences of rheumatoid arthritis for daily life activities, is considered to be a cornerstone in the management of rheumatoid arthritis. Till now the efficacy of occupational therapy for patients with rheumatoid arthritis on functional performance and social part...

  10. Radiology of occupational chest disease

    International Nuclear Information System (INIS)

    Radiologic manifestations of occupational lung disease are summarized and classified in this book according to the ILO system. The interpretation of chest roentgenograms outlines the progression of each disease and is accompanied with clinically-oriented explanations. Some of the specific diseases covered include asbestosis, coal worker's pneumoconiosis, silicosis, non-mining inhalation of silica and silicates, beryllium induced disease, inhalation of organics and metallics, and occupationally induced asthma

  11. Occupational burnout in Birjand dentists

    OpenAIRE

    Khazaie T; Sharifzadeh M; Hoseini S

    2011-01-01

    "nBackground and Aims: Occupational burnout is a psychological syndrome resulting from continuous tensions which causes absence, conflict, job changing, etc. In spite of much effort done in optimizing the work conditions and satisfying the employed persons, the dentists still suffer from this incident. The purpose of this study was to determine the degree of occupational burnout in Birjand dentists and to provide an approach."nMaterials and Methods: In this descriptive-analytical st...

  12. Occupational fatigue: Implications for aviation

    OpenAIRE

    Oliveira, Teresa Cristina Clímaco Monteiro d'

    2011-01-01

    Occupational fatigue has been considered a major contribution to decreases in well-being and performance in a variety of industries. The objective of the chapter is to review the main issues associated with occupational fatigue and to consider the implications for the globalized aviation industry. Fatigue management in aviation has been associated with rostering practices, countermeasures and the development of international regulations. Recently research has proposed that p...

  13. Occupation numbers from functional integral

    OpenAIRE

    Wetterich, C.

    2007-01-01

    Occupation numbers for non-relativistic interacting particles are discussed within a functional integral formulation. We concentrate on zero temperature, where the Bogoliubov theory breaks down for strong couplings as well as for low dimensional models. We find that the leading behavior of the occupation numbers for small momentum is governed by a quadratic time derivative in the inverse propagator that is not contained in the Bogoliubov theory. We propose to use a functional renormalization ...

  14. Fathers' occupation and pregnancy outcome

    International Nuclear Information System (INIS)

    Findings from a survey of 56,067 women in Montreal on maternal occupation and pregnancy outcome have been reported. Paternal occupation recorded in the same survey was analysed for spontaneous abortion in 24 occupational groups retaining the six main sectors of maternal occupation and allowing, by means of logistic regression, for seven potentially confounding variables. In only one of the 24 fathers' occupational groups was there a statistically significant excess of spontaneous abortions-mechanics, repairers, and certain assemblers (O/E = 1.10, 90% CI = 1.02-1.20); subdivision of this group suggested that this excess was mainly attributable to the large group of motor vehicle mechanics (O/E = 1.17). No significant excess of known chromosomally determined defects was found in any of the 24 occupational groups. An association of developmental defects was found with food and beverage processing (18 defects observed compared with 8.02 expected; p < 0.05); however, there was no specificity in type of food, beverage, or congenital defect, and no obvious explanatory mechanism. (author)

  15. Occupational Functionality: A Concept Analysis.

    Science.gov (United States)

    Combs, Bryan; Heaton, Karen

    2016-08-01

    Occupational health nursing has evolved since the late 19th century and, with the inclusion of advanced practice nursing, has become essential to the health and safety of workers. A key component of the knowledge required of advanced practice occupational health nurses is an understanding of what it means for workers to be fit for duty The definition or concept of being fit for duty varies depending on the point-of-view of the health care provider. Health care providers across all professions must have a consistent understanding of what it means to be fit for duty Literature shows that professions and specialties that often collaborate have varying ideas about what it means to be fit for duty These differences highlight the need for a consistent concept that can be used across professions, is holistic, and incorporates other concepts critical to all points of view. To better understand fit for duty, a concept analysis, using the Walker and Avant framework, focused on the concept of occupational functionality (OF). Occupational functionality is best defined as the qualities of being suited to serve an occupational purpose efficiently and effectively within the physical, occupational, environmental, and psychological demands of a unique work setting. This concept analysis offers an initial step in understanding fit for duty and gives health care providers a concept that can be used across disciplines. PMID:27462030

  16. Occupation and cancer in Britain

    Energy Technology Data Exchange (ETDEWEB)

    Rushton, L.; Bagga, S.; Bevan, R.; Brown, T.P.; Cherrie, J.W.; Holmes, P.; Fortunato, L.; Slack, R.; Van Tongeren, M.; Young, C.; Hutchings, S.J. [University of London Imperial College of Science Technology & Medicine, London (United Kingdom)

    2010-04-27

    Prioritising control measures for occupationally related cancers should be evidence based. We estimated the current burden of cancer in Britain attributable to past occupational exposures for International Agency for Research on Cancer (IARC) group 1 (established) and 2A (probable) carcinogens. We calculated attributable fractions and numbers for cancer mortality and incidence using risk estimates from the literature and national data sources to estimate proportions exposed. 5.3% (8019) cancer deaths were attributable to occupation in 2005 (men, 8.2% (6362); women, 2.3% (1657)). Attributable incidence estimates are 13, 679 (4.0%) cancer registrations (men, 10 063 (5.7%); women, 3616 (2.2%)). Occupational attributable fractions are over 2% for mesothelioma, sinonasal, lung, nasopharynx, breast, non-melanoma skin cancer, bladder, oesophagus, soft tissue sarcoma, larynx and stomach cancers. Asbestos, shift work, mineral oils, solar radiation, silica, diesel engine exhaust, coal tars and pitches, occupation as a painter or welder, dioxins, environmental tobacco smoke, radon, tetrachloroethylene, arsenic and strong inorganic mists each contribute 100 or more registrations. Industries and occupations with high cancer registrations include construction, metal working, personal and household services, mining, land transport, printing/publishing, retail/hotels/restaurants, public administration/defence, farming and several manufacturing sectors. 56% of cancer registrations in men are attributable to work in the construction industry (mainly mesotheliomas, lung, stomach, bladder and non-melanoma skin cancers) and 54% of cancer registrations in women are attributable to shift work (breast cancer).

  17. Review of acute cancer beds.

    LENUS (Irish Health Repository)

    Evans, D S

    2012-01-01

    A review of admissions to cancer services at University Hospital Galway (UHG) was undertaken to assess the appropriateness of hospital usage. All cancer specialty patients admitted from 26-28 May 2009 were reviewed (n = 82). Chi square tests, Exact tests, and One-way ANOVA were utilised to analyse key issues emerging from the data. Fifty (61%) were classified as emergencies. Twenty three (67%) occupied a designated cancer bed with 24 (30%) in outlying non-oncology wards. The mean length of stay was 29.3 days. Possible alternatives to admission were identified for 15 (19%) patients. There was no evidence of discharge planning for 50 (60%) admissions. There is considerable potential to make more appropriate utilisation of UHG for cancer patients, particularly in terms of reducing bed days and length of stay and the proportion of emergency cancer admissions, and further developing integrated systems of discharge planning.

  18. Better backs by better beds?

    DEFF Research Database (Denmark)

    Bergholdt, Kim; Fabricius, Rasmus N; Bendix, Tom

    2008-01-01

    STUDY DESIGN: A "randomized"/stratified, single-blinded, parallel-group study. OBJECTIVE.: To evaluate 3 structurally different mattresses relative influence on patients with chronic low back pain (CLBP). SUMMARY OF BACKGROUND DATA: In several advertisements, it is proclaimed that certain......-conforming foam mattress (Tempur), and (3) a hard mattress (Innovation Futon). At baseline and after 4 weeks, a blinded observer interviewed the patients on LBP levels (0-10), daily function (activities of daily living, 0-30), and on the amount of sleeping hours/night. RESULTS: Because of dropout of 19 patients...... using the probably most relevant "worst case" data. There were no relevant difference between the effects of the water bed and the foam bed. CONCLUSION: The Waterbed and foam mattress' did influence back symptoms, function and sleep more positively as apposed to the hard mattress, but the differences...

  19. Reactor vessel for pebble beds

    International Nuclear Information System (INIS)

    The wall and the bottom of the vessel for the gas-cooled pebble-bed reactor consist of numerous blocks of graphite or carbon rock piled up. They are held together by an exterior cylindrical or polygonal ring and supported by a foundation. The blocks form coherent sectors resp. annular sectors with well-defined separating lines. At high temperatures or load change operation these sectors behave like monolithic blocks expanding heely and contracting again, the center of the vessel remaining fixed. The forces causing the compression result from the own weight of the sectors and the weight of the pebble bed. This motion is supported by the convex arrangement of the opposite surfaces of the sectors and the supporting walls and by roller bearings. The bottom of the vessel may be designed funnel-shaped, in this way facilitating the removal of spheres. (DG)

  20. Occupational radiation protection software

    International Nuclear Information System (INIS)

    This paper presents a reflection on the basic essentials of a Radiation Work Permit (RWP). Based on the latest WANO Recommendations, this paper considers the RWP as a complete process rather than a simple administrative procedure. This process is implemented via software which is also presented in this paper. The software has been designed to achieve the following objectives: - To configure the radiological map of the plant. To plan radiological surveillance, to input data, to update radiological signposting and mandatory protective clothing in each area of the station. All this information can be checked from any personnel computer connected to a network. - To collect radiological data by means of a palmtop (PDA) and to upload it to a personnel computer, thereby speeding up the job and reducing human errors. - To implement the RWP by allowing on-line consultation of the permitted individual doses of the workers and the planned collective dose for each job. The software also supplies the radiological information to the workers. - To collect and arrange pictures, maps and sketches of equipment placed in rooms or in areas of the plant. - To allow the software to be used in real time from different workstations. - High reliability and speed of working. - Flexible data enquiry. The software provides a number of standard data enquiries such as numbers of workers on each job and their individual dose received...etc. It also allows data to be exported to other well-known software applications such as Excel and Access for further data analysis. The software has been designed by radiation protection professionals and developed by computer programmers who were integrated into the radiological work environment. The software would fulfill Occupational Radiation Protection Department requirements. (author)

  1. Bed bathing patients in hospital

    OpenAIRE

    L Downey; Lloyd, Hilary

    2008-01-01

    There are a number of circumstances that may affect an individual's ability to maintain personal hygiene. Hospitalised patients, and in particular those who are bedridden, may become dependent on nursing staff to carry out their hygiene needs. Assisting patients to maintain personal hygiene is a fundamental aspect of nursing care. However, it is a task often delegated to junior or newly qualified staff. This article focuses on the principles of bed bathing patients in hospital, correct proced...

  2. THE BAUXITES AND JELAR - BEDS

    Directory of Open Access Journals (Sweden)

    Krešimir Sakač

    1993-12-01

    Full Text Available Minor bauxite deposits and occurrences were formed in technically disturbed environments in the middle part of the Adriatic geotectonic unit in Dinarides, contemporary with the clastic Jelar-beds in the Late Lutetian time. Uneven chemical composition of these Eocene bauxites, their sporadic occurrences in developed paleorelief as well as characteristic petrographic composition of the immediate overlying rocks point out at different genetical conditions (the paper is published in Croatian.

  3. Solids mixing in spouted beds

    OpenAIRE

    Cook, H. H.; Bridgwater, J.; Professor J. Bridgwater

    1981-01-01

    Many industrial processes require contact between particles and a fluid or spray in order to effect drying, coating or granulation. One device capable of contacting fluid and particles efficiently is a spouted bed in which a jet of fluid is injected into solid particles. This forms an open channel or spout and induces material circulation in a downward moving annulus. For the continuous throughput of solids, knowledge is required of the mixing and particle motions within th...

  4. Method and apparatus for a combination moving bed thermal treatment reactor and moving bed filter

    Science.gov (United States)

    Badger, Phillip C.; Dunn, Jr., Kenneth J.

    2015-09-01

    A moving bed gasification/thermal treatment reactor includes a geometry in which moving bed reactor particles serve as both a moving bed filter and a heat carrier to provide thermal energy for thermal treatment reactions, such that the moving bed filter and the heat carrier are one and the same to remove solid particulates or droplets generated by thermal treatment processes or injected into the moving bed filter from other sources.

  5. The characteristics of bed agglomeration during fluidized bed combustion of eucalyptus bark

    International Nuclear Information System (INIS)

    The bed agglomeration behaviors were investigated experimentally when eucalyptus bark was burning tested in a laboratory scale fluidized bed reactor. The focuses of this work were the influences of operating conditions and bed materials on the bed agglomeration tendency and the elucidation in the behaviors of fuel inorganic elements and the governing mode of the agglomeration. It was found that the defluidization caused by the bed agglomeration was clearly detectable from the decrease in measured bed pressure. The growth of bed particle and accumulation of agglomerates during combustion provided the partial to complete defluidization. The defluidization was promoted by the increase of bed temperature and bed particle size, and the decrease of fluidizing air velocity. The SEM-EDS analyses revealed that the bed agglomeration was mainly attributed to the formation of potassium silicate compounds as liquid phase during the combustion. This was initiated by the chemical reaction between the bed particle and the released ash constituents. In this study, the inorganic migration from fuel particle to bed particle was likely dominated by the condensation/reaction. The thermodynamic examination by ternary phase diagram analysis corroborated that the liquid phase formation of the ash derived materials controlled the agglomeration. The alumina sand prevented the bed agglomeration since it was inactive in the formation of viscous molten substances during combustion at the observed temperatures. - Highlights: • The behaviors of bed agglomeration were studied during the fluidized bed combustion of eucalyptus bark. • The increase in bed temperature and sand size, and the decrease of air velocity promoted bed defluidization. • The formation of molten potassium silicate compounds conduced to the bed agglomeration. • Condensation/reaction was the dominant inorganic migration mechanism from fuel particle to bed particle. • The alumina sand prevented effectively the bed

  6. The U-Shapes of Occupational Mobility

    DEFF Research Database (Denmark)

    Groes, Fane Naja; Kircher, Philipp; Manovskii, Iourii

    2015-01-01

    leaving their occupation, and the low (high) earners tend to switch to new occupations with lower (higher) average wages. Exceptions to this pattern of two-sided selection are occupations with steeply rising (declining) productivity, where mainly the lower (higher) paid workers within this occupation tend......Using administrative panel data on the entire Danish population we document a new set of facts characterizing occupational mobility. For most occupations, mobility is U-shaped and directional: not only low but also high wage earners within an occupation have a particularly large probability of...

  7. The U-Shapes of Occupational Mobility

    DEFF Research Database (Denmark)

    Groes, Fane; Kircher, Philipp; Manovskii, Iourii

    occupation, and the low (high) earners tend to switch to new occupations with lower (higher) average wages. Exceptions are occupations with steeply rising (declining) productivity, where mainly the lower (higher) paid workers within this occupation tend to leave. The facts conflict with several existing......Using administrative panel data on the entire Danish population we document a new set of facts characterizing occupational mobility. For most occupations, mobility is U-shaped and directional: both low and high wage earners within an occupation have a particularly large probability of leaving this...

  8. Occupational deprivation in an asylum centre:

    DEFF Research Database (Denmark)

    Morville, Anne-Le; Erlandsson, Lena-Karin

    2013-01-01

    This article presents a study of three asylum-seeking men from Iran and Afghanistan. It aimed to explore how and if they experienced occupations as occupations in a Danish asylum centre and how their life experience shaped their choice and value of current occupations. In-depth narrative interviews...... explored the participants’ occupational history and its influence on their occupations in the asylum centre. A thematic analysis showed that the participants had been subjected to occupational disruption and deprivation by politically oppressive systems even before their flight. Their occupations in...... Denmark were to a certain extent influenced by their earlier occupations and the current occupational deprivation they all experienced was due to limited possibilities in the centre. Although they tried their best to fill their days and create structure, there was a loss of valued occupations and a...

  9. Does occupational health nursing exist in India?

    OpenAIRE

    Rajnarayan R Tiwari; Anjali Sharma; Sanjay P Zodpey; Shobha M Khandare

    2014-01-01

    Background: Occupational health services are important to develop healthy and productive work forces, which should be delivered through occupational health team. Occupational health nurse (OHN) is an important member of this team and is required to apply nursing principles in conserving the health of workers in occupational settings. Purpose: This article attempts to map the occupational health nursing courses in India and design competencies and curriculum for such a course. Materials and Me...

  10. Study of business ethics in occupational medicine.

    OpenAIRE

    Philipp, R; Goodman, G; Harling, K; Beattie, B

    1997-01-01

    OBJECTIVE: To investigate the views of specialists in occupational medicine about business ethics in occupational medicine. METHOD: A qualitative study with face to face focus groups and successive reviews of the draft consensus was undertaken of all accredited specialists in occupational medicine who were members of the south Wales and west of England group of the Society of Occupational Medicine, and of all regional specialty advisers and deputies from the Faculty of Occupational Medicine. ...

  11. Does the Role Checklist Measure Occupational Participation?

    Directory of Open Access Journals (Sweden)

    Tore Bonsaksen

    2015-07-01

    Full Text Available Background: Among the Model of Human Occupation (MOHO assessments, the Role Checklist is one of the most established. In spite of its widespread use, no studies have examined role examples and their association with the three embedded levels of doing, as established in the MOHO theory. Method: A cross-sectional survey of 293 respondents from the US, the UK, Japan, Switzerland, Sweden, and Norway produced 7,182 role examples. The respondents completed Part I of the Role Checklist and provided examples of each internalized role they performed. Responses were classified as occupational skill, occupational performance, or occupational participation. Results: Thirty-three percent of the examples were classified as examples of occupational participation, whereas 65% were classified as examples of occupational performance. Four roles linked mostly with occupational participation, another four roles linked mostly with occupational performance, and the two remaining roles were mixed between occupational participation and occupational performance. Discussion: The Role Checklist assesses a person’s involvement in internalized roles at the level of both occupational participation and occupational performance. There are differences among countries with regard to how roles are perceived and exemplified, and different roles relate differently to the occupational performance and occupational participation levels of doing. There are related implications for occupational therapists.

  12. Bed to wall heat transfer in supercritical water fluidized bed: Comparison with the gas–solid fluidized bed

    International Nuclear Information System (INIS)

    Supercritical water (SCW) fluidized bed is a new reactor concept for gasification of wet biomass. In this paper, the Eulerian two-fluid model based on Kinetic Theory of Granular Flow in fluidized bed was established, and the physical model of movement of single bubble up the wall was adopted. The comparison studies of particle distribution, temperature distribution and transient heat transfer characteristics between the SCW and gas–solid fluidized bed were carried out. The results show that the bubble diameter and rise velocity in SCW fluidized bed are smaller than those in gas–solid fluidized bed. With the increasing solid volume fraction near the wall, the bed-to-wall heat transfer coefficient decreases in SCW fluidized bed, while it increases in gas–solid fluidized bed. What is more, the bed-to-wall heat transfer coefficient is sensitive to superficial velocity where the solid volume fraction is low, which is different from that in gas–solid fluidized bed

  13. Uncovering your hidden occupancy costs.

    Science.gov (United States)

    Apgar, M

    1993-01-01

    Senior managers at large companies may not believe that they can have much impact on the "bricks and mortar" of their cost structure. They may even think that occupancy costs are too insignificant to worry about, too technical to analyze, and too fixed to control. But as real estate consultant Mahlon Apgar argues, occupancy costs can hurt a company's earnings, share value, and overall performance. On the other hand, every dollar saved drops straight to the bottom line. Shearson Lehman Brothers, for example, has found that it can save as much as $20 million annually by reducing occupancy costs in its branch offices and headquarters. Managing occupancy costs isn't easy. But it is timely. As companies strive to improve productivity by consolidating functions and downsizing staff, they are saddled with excess office space. Expansions abroad present completely different market conditions that put a premium on reducing occupancy costs. At the same time, the changing nature of work is challenging deeply held beliefs about the workplace, and, consequently, traditional expectations of office space are giving way to innovations that are less costly and more productive. To manage occupancy costs, managers must be able to identify their components, measure their impact, understand what drives them, and develop options to change them. Four basic tools help diagnose problems: a cost history, a loss analysis, a component analysis, and a lease aging profile. Understanding cost drivers like leasing, location, and layout can give executives the insights they need to reduce occupancy costs while improving the effectiveness of facilities to support day-to-day operations. PMID:10126151

  14. Occupational diseases in Poland, 2012

    Directory of Open Access Journals (Sweden)

    Urszula Wilczyńska

    2013-06-01

    Full Text Available Background: The aim of the paper was to present basic statistical data on occupational diseases diagnosed in 2012. Material and Methods: The work was based on the data from "Occupational Disease Reporting Forms" received by the Central Register of Occupational Diseases in 2012. The data comprised information on nosologic units, gender and age of patients, duration of occupational exposure, sections of the national economy and voivodeships. The incidence was specified in terms of the number of cases in relation to paid employees or to employed people. Results: The number of occupational diseases accounted for 2402 cases. The incidence rate was 23 cases per 100 000 paid employees. In spite of the general decline in the number of cases, the incidence of infectious and parasitic diseases increased by 8.6%. The highest incidence was noted for infectious and parasitic diseases (6.8/100 000, pneumoconioses (5.5/100 000, hearing loss (2.1/100 000, diseases of: the peripheral nervous system (2/100 000, voice disorders (1.9/100 000 and the musculo-skeletal system pathologies (1.1/100 000. The pathologies specified above accounted in total for 84% of all occupational diseases. The industrial sectors of the national economy characterized by the highest incidence included mining and quarrying (288.3/100 000 and manufacturing (27.8/100 000. The highest incidence was recorded in the Silesian (46.2/100 000 and the lowest in the Opolskie (4.2/100 000 voivodeships. Conclusions: The downward trend in the incidence of occupational diseases continues. Different incidence of voice disorders among teachers in individual provinces suggests that uniform preventive, diagnostic and certification standards are missing. Med Pr 2013;64(3:317–326

  15. Extending Beyond Qualitative Interviewing to Illuminate the Tacit Nature of Everyday Occupation: Occupational Mapping and Participatory Occupation Methods.

    Science.gov (United States)

    Huot, Suzanne; Rudman, Debbie Laliberte

    2015-07-01

    The study of human occupation requires a variety of methods to fully elucidate its complex, multifaceted nature. Although qualitative approaches have commonly been used within occupational therapy and occupational science, we contend that such qualitative research must extend beyond the sole use of interviews. Drawing on qualitative methodological literature, we discuss the limits of interview methods and outline other methods, particularly visual methods, as productive means to enhance qualitative research. We then provide an overview of our critical ethnographic study that used narrative, visual, and observational methods to explore the occupational transitions experienced by immigrants to Canada. We describe our use of occupational mapping and participatory occupation methods and the contributions of these combined methods. We conclude that adopting a variety of methods can enable a deeper understanding of the tacit nature of everyday occupation, and is key to advancing knowledge regarding occupation and to informing occupational therapy practice. PMID:26594736

  16. Predicting the stress-strain state for the beds of heavy structures

    Energy Technology Data Exchange (ETDEWEB)

    Ter-Martirosyan, Z.G.; Turaev, K.S. [Moscow Civil Engineering Inst. (Russian Federation)

    1992-01-01

    During the construction and occupancy of heavy structures (nuclear power plants, hydroelectric power plants, etc.), which are built on a compressible bed, the need arises to predict their settlements and tilting. The solution of this problem requires a large volume of long-term experimental studies and calculation of the stress-strain state (SSS) of the bed. Successful solution of this problem is governed by both the correct selection of the geochemical model of the bed, and the accuracy with which the rheologic properties of the bed soils and the effectiveness of the adopted computational method are described. Studies conducted in recent years have shown that a rheologic model of the bed in the form of a layer of limited thickness is most optimal. Investigation of clayey soils suggests that a rheologic model where the deformations are logarithmically proportional with time is effective for predicting long-term deformations. A theoretical solution of the problem of predicting the SSS of a soil layer, which is inhomogeneous with respect to depth, under a local load with allowance for the rheologic properties of the soils is proposed below on the basis of these two premises, using Vlasov`s variational method, which ensures sufficient accuracy and practicality. 11 refs., 4 figs.

  17. Occupational radiation protection. Safety guide

    International Nuclear Information System (INIS)

    Occupational exposure to ionizing radiation can occur in a range of industries, medical institutions, educational and research establishments and nuclear fuel cycle facilities. Adequate radiation protection of workers is essential for the safe and acceptable use of radiation, radioactive materials and nuclear energy. In 1996, the Agency published Safety Fundamentals on Radiation Protection and the Safety of Radiation Sources (IAEA Safety Series No. 120) and International Basic Safety Standards for Protection against Ionizing, Radiation and for the Safety of Radiation Sources (IAEA Safety Series No. 115), both of which were jointly sponsored by the Food and Agriculture Organization of the United Nations, the IAEA, the International Labour Organisation, the OECD Nuclear Energy Agency, the Pan American Health Organization and the World Health Organization. These publications set out, respectively, the objectives and principles for radiation safety and the requirements to be met to apply the principles and to achieve the objectives. The establishment of safety requirements and guidance on occupational radiation protection is a major component of the support for radiation safety provided by the IAEA to its Member States. The objective of the IAEA's occupational protection programme is to promote an internationally harmonized approach to the optimization of occupational radiation protection, through the development and application of guidelines for restricting radiation exposures and applying current radiation protection techniques in the workplace. Guidance on meeting the requirements of the Basic Safety Standards for occupational protection is provided in three interrelated Safety Guides, one giving general guidance on the development of occupational radiation protection programmes and two giving more detailed guidance on the monitoring and assessment of workers' exposure due to external radiation sources and from intakes of radionuclides, respectively. These Safety

  18. [Occupational stress and myocardial infarction].

    Science.gov (United States)

    Consoli, Silla M

    2015-01-01

    Besides the best-known role of depressed mood, occupational stress deserves to be taken as a coronary risk factor. There are two basic models to define occupational stress: Karasek's model (high job psychological demands associated with low decision latitude, or even low social support at work) and Siegrist's model (imbalance between efforts and rewards received). The combination of the two models better reflects the coronary risk than each model alone. Occupational stress appears both as a risk factor and a prognostic factor after the occurrence of myocardial infarction. The relevance of the models is best in men or in younger age subjects. In women, role conflicts (occupational/domestic), the existence of excessive "intrinsic" efforts (job over investment) and association with marital stress provide more specific information. Burnout, particularly among health professionals, and bullying at work are also linked to cardiovascular risk. Occupational stress is a collective indicator of health at work, valuable to the employer. At an individual level, it can lead to therapeutic preventive approaches. PMID:26150284

  19. DOE 2013 occupational radiation exposure

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2014-11-01

    The Office of Analysis within the U.S. Department of Energy (DOE) Office of Environment, Health, Safety and Security (EHSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE (including the National Nuclear Security Administration [NNSA]). The DOE 2013 Occupational Radiation Exposure Report provides an evaluation of DOE-wide performance regarding compliance with Title 10, Code of Federal Regulations (C.F.R.), Part 835, Occupational Radiation Protection dose limits and as low as reasonably achievable (ALARA) process requirements. In addition, the report provides data to DOE organizations responsible for developing policies for protection of individuals from the adverse health effects of radiation. The report provides a summary and an analysis of occupational radiation exposure information from the monitoring of individuals involved in DOE activities. Over the past five-year period, the occupational radiation exposure information has been analyzed in terms of aggregate data, dose to individuals, and dose by site.

  20. Prevention of occupational Back Pain

    Directory of Open Access Journals (Sweden)

    Sultan T Al-Otaibi

    2015-01-01

    Full Text Available This paper reviews scientific research on occupational back pain and focuses on prevention of this problem. It discusses some of the challenges of translating the evidence of this multi-factorial condition into policy. Medical science is currently unable to clearly distinguish between back pain caused by work and that possibly due to other causes but which affects the individual′s capacity to work. Back pain affects the vast majority of people at some point in their lives and is very costly to both the health care system and the industry. Evidence suggests that heavy lifting, driving, and vibration of the whole body are linked to occupational back pain. Once the risk factors for occupational back pain are identified, an otherwise chronic and disabling condition can be prevented in the majority of patients. As explained in this article, three levels of prevention for occupational back pain have been reported as effective. Failure to implement preventive measures may lead to a high incidence of occupational back pain.

  1. Fitting and interpreting occupancy models.

    Science.gov (United States)

    Welsh, Alan H; Lindenmayer, David B; Donnelly, Christine F

    2013-01-01

    We show that occupancy models are more difficult to fit than is generally appreciated because the estimating equations often have multiple solutions, including boundary estimates which produce fitted probabilities of zero or one. The estimates are unstable when the data are sparse, making them difficult to interpret, and, even in ideal situations, highly variable. As a consequence, making accurate inference is difficult. When abundance varies over sites (which is the general rule in ecology because we expect spatial variance in abundance) and detection depends on abundance, the standard analysis suffers bias (attenuation in detection, biased estimates of occupancy and potentially finding misleading relationships between occupancy and other covariates), asymmetric sampling distributions, and slow convergence of the sampling distributions to normality. The key result of this paper is that the biases are of similar magnitude to those obtained when we ignore non-detection entirely. The fact that abundance is subject to detection error and hence is not directly observable, means that we cannot tell when bias is present (or, equivalently, how large it is) and we cannot adjust for it. This implies that we cannot tell which fit is better: the fit from the occupancy model or the fit ignoring the possibility of detection error. Therefore trying to adjust occupancy models for non-detection can be as misleading as ignoring non-detection completely. Ignoring non-detection can actually be better than trying to adjust for it. PMID:23326323

  2. Fitting and interpreting occupancy models.

    Directory of Open Access Journals (Sweden)

    Alan H Welsh

    Full Text Available We show that occupancy models are more difficult to fit than is generally appreciated because the estimating equations often have multiple solutions, including boundary estimates which produce fitted probabilities of zero or one. The estimates are unstable when the data are sparse, making them difficult to interpret, and, even in ideal situations, highly variable. As a consequence, making accurate inference is difficult. When abundance varies over sites (which is the general rule in ecology because we expect spatial variance in abundance and detection depends on abundance, the standard analysis suffers bias (attenuation in detection, biased estimates of occupancy and potentially finding misleading relationships between occupancy and other covariates, asymmetric sampling distributions, and slow convergence of the sampling distributions to normality. The key result of this paper is that the biases are of similar magnitude to those obtained when we ignore non-detection entirely. The fact that abundance is subject to detection error and hence is not directly observable, means that we cannot tell when bias is present (or, equivalently, how large it is and we cannot adjust for it. This implies that we cannot tell which fit is better: the fit from the occupancy model or the fit ignoring the possibility of detection error. Therefore trying to adjust occupancy models for non-detection can be as misleading as ignoring non-detection completely. Ignoring non-detection can actually be better than trying to adjust for it.

  3. Occupational burnout among nursing personel

    Directory of Open Access Journals (Sweden)

    Sylwia Wieder-Huszla

    2016-02-01

    Full Text Available Background. Occupational stress and the related burnout syndrome is undoubtedly one of the most important challenges for public health. Objectives . The objective of the study was identifying occupational burnout among nurses. Material and methods . The questionnaire was responded by 408 professionally active male and female nurses, working in the territory of the West Pomeranian Voivodeship. In the evaluation of occupational burnout the standardized Maslach Burnout Inventory (MBI was applied. Results . Mean values of the level of occupational burnout for the study group amounted to 39.3 ± 30.9 with regard to emotional exhaustion, 30.64 ± 27.89 with respect to the depersonalization subscale and 66.26 ± 27.94 – the lowered level of job satisfaction. Conclusions . 1. The studied nursing personnel showed symptoms of occupational burnout in all dimensions of the syndrome, i.e. high levels of emotional exhaustion and depersonalization as well as low job satisfaction. 2. Individuals with higher education scored lower on the emotional exhaustion scale. 3. Emotional exhaustion is influenced by workplace and position.

  4. Pebble bed modular reactor (PBMR)

    International Nuclear Information System (INIS)

    In 1993, the pebble bed modular reactor (PBMR) was identified by ESKOM, the electric utility of South Africa, as a leading option for the installation of new generating capacity to their electric grid. This innovative nuclear power plant incorporates a closed cycle primary coolant system utilizing helium to transport heat energy directly from the modular pebble bed reactor to a recuperative power conversion unit with a single-shaft turbine/compressor/generator. This replacement of the steam cycle that is common in present nuclear power plants (NPP) with a direct gas cycle provides the benefits of simplification and a substantial increase in overall system efficiency with the attendant lowering of capital and operational costs. Although the historical development of this plant is interrelated to other types of high temperature gas cooled reactors (HTGRs), the principle focus herein is on the pebble bed (spherical) fuel element type reactor. The long-term development of this reactor type began in Germany by the KFA Nuclear Research Center (now FZJ). Two pebble bed plants were constructed in Germany, the 46 MW(th)/15 MW(e) Arbeitsgemeinshaft Versuchsreaktor (AVR) and the 750 MW(th)/296 MW(e) thorium high temperature reactor (THTR-300). Basically, these steam/electric plants validated the temperature and fission product retention capabilities of the ceramic (TRISO) coated fuel particle and the safety characteristics of the HTGR. Most notable of the operational achievements was with the AVR in sustaining longterm operation at an average core outlet temperature of 950 deg. C, and in demonstration of safety such as extended loss of forced cooling on the core. More details on the AVR and THTR-300 plants are provided The next evolution of the pebble bed plant began in the early 1980s with development of the modular reactor. This small reactor added the unique characteristic of being able to cool the core entirely by passive heat transfer mechanisms following postulated

  5. Analysis of bed agglomeration during gasification of wheat straw in a bubbling fluidised bed gasifier using mullite as bed material

    OpenAIRE

    Mac an Bhaird, Seán T.; Walsh, Eilín; Hemmingway, Phil; McDonnell, Kevin; et al.

    2014-01-01

    The quantity and composition of the ash content of straw poses technical challenges to its thermal conversion and have been widely reported to cause severe ash sintering and bed agglomeration during fluidised bed gasification. Literature indicates that a combination of reactor design and bed material measures is required to avoid defluidisation at temperatures above 800 °C. Using scanning electron microscopy and energy dispersive X-ray spectroscopy this study investigated the initial agglomer...

  6. MICROTURBULENCE IN GRAVEL BED STREAMS

    Science.gov (United States)

    Papanicolaou, T.; Tsakiris, A. G.; Kramer, C. M.

    2009-12-01

    The overarching objective of this investigation was to evaluate the role of relative submergence on the formation and evolution of cluster microforms in gravel bed streams and its implications to bedload transport. Secondary objectives of this research included (1) a detailed analysis of mean flow measurements around a clast; and (2) a selected number of experimental runs where the mean flow characteristics are linked together with the bed micro-topography observations around a clast. It is hypothesized that the relative submergence is an important parameter in defining the feedback processes between the flow and clasts, which governs the flow patterns around the clasts, thus directly affecting the depositional patterns of the incoming sediments. To examine the validity of the hypothesis and meet the objectives of this research, 19 detailed experimental runs were conducted in a tilting, water recirculating laboratory flume under well-controlled conditions. A fixed array of clast-obstacles were placed atop a well-packed bed with uniform size glass beads. During the runs, multifractional spherical particles were fed upstream of the clast section at a predetermined rate. State-of-the-art techniques/instruments, such as imaging analysis software, Large Scale Particle Velocimeter (LSPIV) and an Acoustic Doppler Velocimetry (ADV) were employed to provide unique quantitative measurements for bedload fluxes, clast/clusters geomorphic patterns, and mean flow characteristics in the vicinity of the clusters. Different flow patterns were recorded for the high relative submergence (HRS) and low relative submergence (LRS) experimental runs. The ADV measurements provided improved insight about the governing flow mechanisms for the HRS runs. These mechanisms were described with flow upwelling at the center of the flume and downwelling occurring along the flume walls. Flow downwelling corresponded to an increase in the free surface velocity. Additionally, the visual observations

  7. Fixed bed nuclear reactor concept

    International Nuclear Information System (INIS)

    Full text: The fixed bed nuclear reactor (FBNR) is essentially a pressurized light water reactor (PWR) having spherical fuel elements constituting a suspended reactor core at its lowest bed porosity. The core is movable thus under any adverse condition, the fuel elements can leave the reactor core naturally through the force of gravity and fall into the passively cooled fuel chamber or leave the reactor all together entering the spent fuel pool. It is a small and modular reactor being simple in design. Its spent fuel is in such a convenient form and size that may be utilized directly as the source for irradiation and applications in agriculture and industry. This feature results in a positive impact on waste management and environmental protection. The principle features of the proposed reactor are that the concept is polyvalent, simple in design, may operate either as fixed or fluidized bed, have the core suspended contributing to inherent safety, passive cooling features of the reactor. The reactor is modular and has integrated primary system utilizing either water, supercritical steam or helium gas as its coolant. Some of the advantages of the proposed reactor are being modular, low environmental impact, exclusion of severe accidents, short construction period, flexible adaptation to demand, excellent load following characteristics, and competitive economics. The characteristics of the Fluidized Bed Nuclear Reactor (FBNR) concept may be analyzed under the light of the requirements set for the IV generation nuclear reactors. It is shown that FBNR meet the goals of (1) Providing sustainable energy generation that meets clean air objectives and promotes long-term availability of systems and effective fuel utilization for worldwide energy production, (2) Minimize and manage their nuclear waste and notably reduce the long term stewardship burden in the future, thereby improving protection for the public health and the environment, (3) Excel in safety and reliability

  8. Communication of bed allocation decisions in a critical care unit and accountability for reasonableness

    Directory of Open Access Journals (Sweden)

    Swota Alissa H

    2005-10-01

    Full Text Available Abstract Background Communication may affect perceptions of fair process for intensive care unit bed allocation decisions through its impact on the publicity condition of accountability for reasonableness. Methods We performed a qualitative case study to describe participant perceptions of the communication of bed allocation decisions in an 18-bed university affiliated, medical-surgical critical care unit at Sunnybrook and Women's College Health Sciences Centre. Interviewed participants were 3 critical care physicians, 4 clinical fellows in critical care, 4 resource nurses, 4 "end-users" (physicians who commonly referred patients to the unit, and 3 members of the administrative staff. Median bed occupancy during the study period (Jan-April 2003 was 18/18; daily admissions and discharges (median were 3. We evaluated our description using the ethical framework "accountability for reasonableness" (A4R to identify opportunities for improvement. Results The critical care physician, resource nurse, critical care fellow and end-users (trauma team leader, surgeons, neurosurgeons, anesthesiologists functioned independently in unofficial "parallel tracks" of bed allocation decision-making; this conflicted with the official designation of the critical care physician as the sole authority. Communication between key decision-makers was indirect and could exclude those affected by the decisions; notably, family members. Participants perceived a lack of publicity for bed allocation rationales. Conclusion The publicity condition should be improved for critical care bed allocation decisions. Decision-making in the "parallel tracks" we describe might be unavoidable within usual constraints of time, urgency and demand. Formal guidelines for direct communication between key participants in such circumstances would help to improve the fairness of these decisions.

  9. Bed net use and associated factors in a rice farming community in Central Kenya

    Directory of Open Access Journals (Sweden)

    Kabuage Lucy

    2009-04-01

    Full Text Available Abstract Background Use of insecticide-treated nets (ITNs continues to offer potential strategy for malaria prevention in endemic areas. However their effectiveness, sustainability and massive scale up remain a factor of socio-economic and cultural variables of the local community which are indispensable during design and implementation stages. Methods An ethnographic household survey was conducted in four study villages which were purposefully selected to represent socio-economic and geographical diversity. In total, 400 households were randomly selected from the four study villages. Quantitative and qualitative information of the respondents were collected by use of semi-structured questionnaires and focus group discussions. Results Malaria was reported the most frequently occurring disease in the area (93% and its aetiology was attributed to other non-biomedical causes like stagnant water (16%, and long rains (13%. Factors which significantly caused variation in bed net use were occupant relationship to household head (χ2 = 105.705; df 14; P = 0.000, Age (χ2 = 74.483; df 14; P = 0.000, village (χ2 = 150.325; df 6; P = 0.000, occupation (χ2 = 7.955; df 3; P = 0.047, gender (χ2 = 4.254; df 1; P = 0.039 and education levels of the household head or spouse (χ2 = 33.622; df 6; P = 0.000. The same variables determined access and conditions of bed nets at household level. Protection against mosquito bite (95% was the main reason cited for using bed nets in most households while protection against malaria came second (54%. Colour, shape and affordability were some of the key potential factors which determined choice, use and acceptance of bed nets in the study area. Conclusion The study highlights potential social and economic variables important for effective and sustainable implementation of bed nets-related programmes in Sub-Saharan Africa.

  10. Occupational hazards of interventional cardiology

    International Nuclear Information System (INIS)

    Complex catheter-based interventions and rising case volumes confer occupational risks to interventional cardiologists. Despite advances in technology, modern interventional procedures are performed in a manner remarkably similar to the techniques pioneered decades ago. Percutaneous interventions are associated with operator orthopedic injuries, exposures to blood borne pathogens, and the effects of chronic radiation exposure from fluoroscopy. This review highlights the occupational hazards of interventional procedures and provides a glimpse at the technologies and techniques that may reduce risks to operators in the catheterization laboratory

  11. Occupational and environmental lung disease.

    Science.gov (United States)

    Seaman, Danielle M; Meyer, Cristopher A; Kanne, Jeffrey P

    2015-06-01

    Occupational and environmental lung disease remains a major cause of respiratory impairment worldwide. Despite regulations, increasing rates of coal worker's pneumoconiosis and progressive massive fibrosis are being reported in the United States. Dust exposures are occurring in new industries, for instance, silica in hydraulic fracking. Nonoccupational environmental lung disease contributes to major respiratory disease, asthma, and COPD. Knowledge of the imaging patterns of occupational and environmental lung disease is critical in diagnosing patients with occult exposures and managing patients with suspected or known exposures. PMID:26024603

  12. Sound localization and occupational noise

    OpenAIRE

    de Lemos Menezes, Pedro; de Andrade, Kelly Cristina Lira; Tenório Lins Carnaúba, Aline; Cabral, Frantänia B.; de Carvalho Leal, Mariana; Desgualdo Pereira, Liliane

    2014-01-01

    OBJECTIVE: The aim of this study was to determine the effects of occupational noise on sound localization in different spatial planes and frequencies among normal hearing firefighters. METHOD: A total of 29 adults with pure-tone hearing thresholds below 25 dB took part in the study. The participants were divided into a group of 19 firefighters exposed to occupational noise and a control group of 10 adults who were not exposed to such noise. All subjects were assigned a sound localization task...

  13. Occupational hazards of interventional cardiology

    Energy Technology Data Exchange (ETDEWEB)

    Smilowitz, Nathaniel R.; Balter, Stephen; Weisz, Giora, E-mail: gw2128@columbia.edu

    2013-07-15

    Complex catheter-based interventions and rising case volumes confer occupational risks to interventional cardiologists. Despite advances in technology, modern interventional procedures are performed in a manner remarkably similar to the techniques pioneered decades ago. Percutaneous interventions are associated with operator orthopedic injuries, exposures to blood borne pathogens, and the effects of chronic radiation exposure from fluoroscopy. This review highlights the occupational hazards of interventional procedures and provides a glimpse at the technologies and techniques that may reduce risks to operators in the catheterization laboratory.

  14. Fluid-bed process for SYNROC production

    International Nuclear Information System (INIS)

    SYNROC is a titanate-based ceramic waste developed for the immobilization of high-level nuclear reactor waste. Lawrence Livermore National Laboratory (LLNL) has investigated a fluid-bed technique for the large-scale production of SYNROC precursor powders. Making SYNROC in a fluid bed permits slurry drying, calcination and reduction-oxidation reactions to be carried out in a single unit. We present the results of SYNROC fluid-bed studies from two fluid-bed units 10 cm in diameter: an internally heated fluid-bed unit developed by Exxon Idaho and an externally heated unit constructed at LLNL. Bed operation over a range of temperatures, feed rates, fluidizing rates, and redox conditions indicate that SYNROC powders of a high density and a uniform particle size can be produced. These powders facilitate the densification step and yield dense ceramics (greater than 95% theoretical density) with well-developed phases and low leaching rates

  15. Occupational Asthma after Withdrawal from the Occupational Allergen Exposure

    Czech Academy of Sciences Publication Activity Database

    Klusáčková, P.; Pelclová, D.; Lebedová, J.; Marečková, H.; Brabec, Marek

    2006-01-01

    Roč. 44, č. 4 (2006), s. 629-638. ISSN 0019-8366 Source of funding: V - iné verejné zdroje Keywords : occupational asthma * allergen exposure withdrawal Subject RIV: BB - Applied Statistics, Operational Research Impact factor: 0.911, year: 2006 http://www.jniosh.go.jp/en/indu_hel/pdf/indhealth_44_4_629.pdf

  16. Spring packed particle bed fuel element

    International Nuclear Information System (INIS)

    This patent describes a gas cooled particle bed nuclear fuel element. It comprises: a porous inner frit; a porous outer frit attached to the inner frit by an end cap t a first end and radially guided by a shoulder at a second end, forming an annulus between the frits; a fuel particle bed in the annulus; a first compressive device at each end of the annulus; and a second compressive device positioned in the annulus within the fuel particle bed

  17. Fluidized bed combustion in praxis

    International Nuclear Information System (INIS)

    Operation at deregulated energy markets emphasize utilities competitiveness in power generation. This means power plant investment cost as well as operation and maintenance costs must be competitive to ensure economical performance. Improvements in competitiveness can also be achieved investing to modem combustion technology and this way improve power generation efficiency (lower fuel consumption). Other means to improve cost effectiveness are optimisation of daily operation and process control system but also improving fuel flexibility if feasible (fuel price). The other need for utilities in the future is of course environmental issues like reduction of CO2 emissions in particular. As known fluidized bed combustion offers many advantages that might be needed at future energy markets. These are superior fuel and operation flexibility, multi-fuel capability, environmental performance with inherently low NOx emissions due favourable combustion conditions and cost effective sulphur reduction applying in-furnace SO2 capture. These advantages makes fluidized bed combustion attractive alternative power generation in the future. The current trends for development of the technology are discussed in this paper. (authors)

  18. Gruppebaseret behandling af BED - et faseopdelt behandlingstilbud

    DEFF Research Database (Denmark)

    Laust, Jakob; Lau, Marianne Engelbrecht; Waaddegaard, Mette

    2015-01-01

    konsekvenser. BED blev i 2013 optaget i DSM-5 (Diagnostic and Statistical Manual of Mental Disorders) som en selvstændig diagnose og BED forventes medtaget i den forestående revision af det internationale diagnose system, ICD-11. Sundhedsstyrelsen gav på denne baggrund satspuljemidler til erfaringsopsamling......Titel: Afrapportering vedr. SATS-puljemidler til behandling og erfaringsopsamling vedr. BED for perioden 1. marts 2013 – 1. maj 2015. Baggrund: Binge Eating Disorder (BED), på dansk tvangsoverspisning, er en udbredt, men overset spiseforstyrrelse med alvorlige psykiske, fysiske og sociale...

  19. Occupation and activity: trends and conceptual tensions in the Anglophone literature of occupational therapy and occupational science

    OpenAIRE

    Lilian Magalhães

    2013-01-01

    The epistemological rigor of occupational therapy has been questioned since its emergence, nearly a century ago. Occupational science, a new discipline that was created by occupational therapists in North America and evolved mainly in the Anglo-Saxon world in the past 30 years, has produced extensive discussion about the theoretical and technical underpinnings of the occupation based interventions, besides stimulating the international debate on the socio-political dimensions of the various e...

  20. Employee occupational stress in banking.

    Science.gov (United States)

    Michailidis, Maria; Georgiou, Yiota

    2005-01-01

    Occupational stress literature emphasizes the importance of assessment and management of work related stress. The recognition of the harmful physical and psychological effects of stress on both individuals and organizations is widely studied in many parts of the world. However, in other regions such research is only at the introductory stages. The present study examines occupational stress of employees in the banking sector. A sample of 60 bank employees at different organizational levels and educational backgrounds was used. Data collection utilized the Occupational Stress Indicator (OSI). Results of data analysis provided evidence that employees' educational levels affect the degree of stress they experience in various ways. Bank employees cannot afford the time to relax and "wind down" when they are faced with work variety, discrimination, favoritism, delegation and conflicting tasks. The study also shows the degree to which some employees tend to bring work-related problems home (and take family problems to work) depends on their educational background, the strength of the employees' family support, and the amount of time available for them to relax. Finally, the drinking habits (alcohol) of the employees were found to play a significant role in determining the levels of occupational stress. PMID:15860902

  1. Occupational therapy for multiple sclerosis.

    NARCIS (Netherlands)

    Steultjens, E.M.J.; Dekker, J.; Bouter, L.M.; Cardol, M.; Nes, J.C.M. van de; Ende, C.H.M. van den

    2003-01-01

    Background: Multiple sclerosis (MS) patients are referred to occupational therapy with complaints about fatigue, limb weakness, alteration of upper extremity fine motor coordination, loss of sensation and spasticity that causes limitations in performance of activities of daily living and social part

  2. Occupational therapy for rheumatoid arthritis.

    NARCIS (Netherlands)

    Steultjens, E.M.J.; Dekker, J.; Bouter, L.M.; Schaardenburg, D.J. van; Kuyk, M.A.H. van; Ende, C.H.M. van den

    2004-01-01

    Background: For persons with rheumatoid arthritis (RA) the physical, personal, familial, social and vocational consequences are extensive. Occupational therapy (OT), with the aim to facilitate task performance and to decrease the consequences of rheumatoid arthritis for daily life activities, is con

  3. Accounting. Occupational Competency Analysis Profile.

    Science.gov (United States)

    Ohio State Univ., Columbus. Vocational Instructional Materials Lab.

    This Accounting Occupational Competency Analysis Profile (OCAP) is one of a series of competency lists, verified by expert workers, that have evolved from a modified DACUM (Developing a Curriculum) job analysis process involving business, industry, labor, and community agency representatives from throughout Ohio. This OCAP identifies the…

  4. Dental Auxiliary Occupations. Interim Report.

    Science.gov (United States)

    Kingston, Richard D.

    As part of a dental auxiliaries project, a Dental Auxiliary National Technical Advisory Committee was established, and its major undertaking was to assist in the development of a functional inventory for each of the three dental auxiliary occupations (dental assisting, dental hygiene, and dental laboratory technology). The analysis consisted of…

  5. Occupational asthma caused by dry metabisulphite.

    OpenAIRE

    Malo, J.L.; Cartier, A.; Desjardins, A.

    1995-01-01

    A case is described of occupational asthma in a worker with no previous history of asthma who sprinkled dried metabisulphite powder onto potatoes and developed work-related symptoms. Occupational asthma was confirmed by specific inhalation challenges.

  6. 75 FR 23834 - Occupational Information System

    Science.gov (United States)

    2010-05-04

    ... ADMINISTRATION Occupational Information System AGENCY: Social Security Administration (SSA). ACTION: Request for... Recommendations for the Social Security Administration Occupational Information System, September 2009.'' The... available on the date of publication of this notice in the Federal Register at...

  7. Non-occupational exposure to silica dust

    Directory of Open Access Journals (Sweden)

    L J Bhagia

    2012-01-01

    Full Text Available Occupational exposure to silica occurs at workplaces in factories like quartz crushing facilities (silica flour milling, agate, ceramic, slate pencil, glass, stone quarries and mines, etc., Non-occupational exposure to silica dust can be from industrial sources in the vicinity of the industry as well as non-industrial sources. Recently, public concern regarding non-occupational or ambient exposure to crystalline silica has emerged making it important to gather information available on non-occupational exposures to silica dust and non-occupational silicosis. This paper reviews various non-occupational exposures reported in literature including some studies by the author. Methodology used in assessment of non-occupational exposures, standards for non-occupational exposures to silica dust and indirect estimation of cumulative risk % are also discussed.

  8. Physical Therapy and Occupational Therapy in Progeria

    Science.gov (United States)

    Physical Therapy and Occupational Therapy in Progeria Information for Families and Caretakers from The Progeria Research Foundation Written ... accelerated aging in children. Children with Progeria need Physical Therapy (PT) and Occupational Therapy (OT) as often as ...

  9. Canadian Thoracic Society Guidelines for Occupational Asthma

    Directory of Open Access Journals (Sweden)

    Susan M Tarlo

    1998-01-01

    Full Text Available OBJECTIVE: To provide broad guidelines and principles to help primary care physicians, occupational physicians, allergists and respirologists with the recognition, diagnosis and management of patients with occupational asthma (OA.

  10. The Danish Press during the German Occupation

    DEFF Research Database (Denmark)

    Roslyng-Jensen, Palle

    2010-01-01

    Censorship, self-censorship in Danish newspapers and Danish Radio during the German occupation of Denmark 1940-45......Censorship, self-censorship in Danish newspapers and Danish Radio during the German occupation of Denmark 1940-45...

  11. Sexuality and occupational therapy: Exploring the link

    OpenAIRE

    Simó i Algado, Salvador; Sakellariou, Dikaios

    2006-01-01

    Holism is perceived to be one of the major tenets of occupational therapy. This article discusses the relevance of sexuality to holistic health care and contributes to the continuing discussion regarding the legitimacy of sexuality as an area of concern for occupational therapists. Sexuality is an important part of the human experience and is linked closely with spirituality. However, it is often neglected by occupational therapists. The article explores the occupational nat...

  12. Occupational Therapy : A Glimpse of Its Future

    OpenAIRE

    Crabtree, Jeffrey L.

    2004-01-01

    On July 26, 2004 I had the privilege of giving a talk entitled Occupational Therapy: A Glimpse of It's Future to the faculty and students of the Graduate School of Health Sciences, Hiroshima University. My objectives were to explore the possible future of occupational therapy. I explained the concept of neuro-occupation first discussed at Crieghton University, discussed constraint-induced movement treatment, and explored the neurological foundations of occupational performance. The following ...

  13. Occupational Diversification, Offshoring and Labor Market Volatility

    OpenAIRE

    Bardhan, Ashok; Tang, John

    2006-01-01

    This paper asks a simple question: Are occupations that are well diversified across sectors less volatile, and maybe less susceptible to external shocks? Most external shocks (e.g. manufacturing offshoring, oil shocks) impact the labor market along sectoral lines, i.e. they impact product and output markets, and as a consequence they affect employment in various occupations. Some shocks, however, such as services offshoring affect horizontals or occupations. We find that an occupation spread ...

  14. Occupational diseases among farmers in Poland

    OpenAIRE

    Neonila Szeszenia-Dąbrowska; Beata Świątkowska; Urszula Wilczyńska

    2016-01-01

    Background: The study’s objective is to present epidemiological situation concerning the incidence of occupational diseases among farmers in Poland. Material and Methods: All 3438 cases of occupational diseases diagnosed among farmers and obligatorily reported to the Central Register of Occupational Diseases (covering all the national territory and all the cases of occupational diseases diagnosed in Poland after 1970) over the years 2000–2014 were subjected to analysis. Results: The annual in...

  15. Occurrence of occupational diseases in Poland, 2014

    OpenAIRE

    Szeszenia-Dabrowska, Neonila; Wilczynska, Urszula

    2016-01-01

    Background: The aim of the annual analysis of the incidence of occupational diseases in Poland is to evaluate the extent of the incidence and to identify its causes as well as activities involving factors that are harmful or annoying to such an extent that they result in occupational diseases. Material and Methods: Occupational diseases reporting forms supplied to the Central Register of Occupational Diseases were used as the study material. Results: In 2014, there were 2351 cases of occupati...

  16. Globalization, occupational restructuring and firm performance

    OpenAIRE

    Maliranta, Mika

    2013-01-01

    In this study, the patterns of occupational restructuring and their micro-level mechanisms are examined by applying standard measures of job and worker flows at the occupation and firm levels using longitudinal employeremployee data from the Finnish business sector for the years 2000-2006. Special attention is given to determining how global firms (i.e., multinational enterprises and offshoring firms) contribute to occupational restructuring and to establishing the role of occupational struct...

  17. Occupational skin cancer may be underreported

    DEFF Research Database (Denmark)

    Carøe, Tanja Korfitsen; Ebbehøj, Niels Erik; Wulf, Hans Christian;

    2013-01-01

    Skin cancer may, in some cases, be caused by occupational exposures. The aim of this study was to investigate the prevalence of and exposures leading to occupationally induced skin cancers in Denmark during a ten-year period.......Skin cancer may, in some cases, be caused by occupational exposures. The aim of this study was to investigate the prevalence of and exposures leading to occupationally induced skin cancers in Denmark during a ten-year period....

  18. On the structure and contents of occupational therapist paradigms : empirical studies of occupational therapy students' and occupational therapists' views on occupational therapy

    OpenAIRE

    Björklund, Anita

    2000-01-01

    The ambition of this thesis is to contribute, from a paradigm theoretical frame of reference, to the development of occupational therapy knowledge in Sweden. The specified thesis aim was to identify and characterize occupational therapy students' and occupational therapists' perceptions of occupational therapy, especially regarding world view and field of action view in Törnebohm's sense. The thesis includes five sub-studies. The first and second studies are based on...

  19. Designing a CR Test bed

    DEFF Research Database (Denmark)

    Cattoni, Andrea Fabio; Buthler, Jakob Lindbjerg; Tonelli, Oscar;

    2014-01-01

    available, the software is most of the times open source and ready to use for third party users. Even though the software solution developers claim complete easiness in the development of custom applications, in reality there are a number of practical hardware and software issues that research groups need...... solutions. Finally, an overview on common research-oriented software products for SDR development, namely GNU Radio, Iris, and ASGARD, will be provided, including how to practically start the software development of simple applications. Finally, best practices and examples of all the software platforms will...... with their own set up, since the potential costs and efforts could not pay back in term of expected research results. Software Defined Radio solutions offer an easy way to communication researchers for the development of customized research test beds. While several hardware products are commercially...

  20. Metabolic Resistance in Bed Bugs

    Directory of Open Access Journals (Sweden)

    Omprakash Mittapalli

    2011-03-01

    Full Text Available Blood-feeding insects have evolved resistance to various insecticides (organochlorines, pyrethroids, carbamates, etc. through gene mutations and increased metabolism. Bed bugs (Cimex lectularius are hematophagous ectoparasites that are poised to become one of the major pests in households throughout the United States. Currently, C. lectularius has attained a high global impact status due to its sudden and rampant resurgence. Resistance to pesticides is one factor implicated in this phenomenon. Although much emphasis has been placed on target sensitivity, little to no knowledge is available on the role of key metabolic players (e.g., cytochrome P450s and glutathione S-transferases towards pesticide resistance in C. lectularius. In this review, we discuss different modes of resistance (target sensitivity, penetration resistance, behavioral resistance, and metabolic resistance with more emphasis on metabolic resistance.

  1. Factory Production Occupations. Reprinted from the Occupational Outlook Handbook, 1978-79 Edition.

    Science.gov (United States)

    Bureau of Labor Statistics (DOL), Washington, DC.

    Focusing on factory production occupations, this document is one in a series of forty-one reprints from the Occupational Outlook Handbook providing current information and employment projections for individual occupations and industries through 1985. The specific occupations covered in this document include assemblers, blue collar worker…

  2. Food Merchandising Occupations. Reprinted from the Occupational Outlook Handbook, 1978-79 Edition.

    Science.gov (United States)

    Bureau of Labor Statistics (DOL), Washington, DC.

    Focusing on food merchandising occupations, this document is one in a series of forty-one reprints from the Occupational Outlook Handbook providing current information and employment projections for individual occupations and industries through 1985. The specific occupations covered in this document include bartenders, cooks and chefs, dining room…

  3. Perception of "Gilding" in Occupational Statuses

    Science.gov (United States)

    Gitter, A. George; Mostofsky, David

    1972-01-01

    In examining the amount of gilding behavior a sample of female subjects attribute to different occupational statuses and to occupational statuses associated with specific ethnic minorities, results indicate that gilding approximates the general prestige rankings of the occupations when the status incumbent is perceived as similar to the subject.…

  4. Occupational health services in PR China

    International Nuclear Information System (INIS)

    In China, the origin of occupational health started in the mid 1950s soon after the founding of the People's Republic of China. However, more complete concept and practice of occupational health was defined after the early 1980s, when China started her full-scale drive for economic reform and policy of openness. The integrity intends to cover occupational health, occupational medicine, industrial toxicology, industrial hygiene, occupational ergonomics, and occupational psychology as theoretical and practical components of occupational health. As a result, occupational health in China has undergone many changes and has improved over the past decades. These changes and improvements came about, most likely due to a new scheme, where a holistic approach of the recognition, regulation, and provision of occupational health services in a wider coverage is gradually formed and brought into effect. This presentation provides the current status of occupational health and safety problems, the latest legislative to occupational health and safety, and a general scenario of the organizational structure and function of occupational health services in China. It attempts to share with participants both our experience and lessons learned towards creating a more open and effective channel of ideas and information sharing

  5. Illinois Occupational Skill Standards: Architectural Drafting Cluster.

    Science.gov (United States)

    Illinois Occupational Skill Standards and Credentialing Council, Carbondale.

    This document, which is intended as a guide for work force preparation program providers, details the Illinois occupational skill standards for programs preparing students for employment in occupations in the architectural drafting cluster. The document begins with a brief overview of the Illinois perspective on occupational skill standards and…

  6. Illinois Occupational Skill Standards: Mechanical Drafting Cluster.

    Science.gov (United States)

    Illinois Occupational Skill Standards and Credentialing Council, Carbondale.

    This document, which is intended as a guide for work force preparation program providers, details the Illinois occupational skill standards for programs preparing students for employment in occupations in the mechanical drafting cluster. The document begins with a brief overview of the Illinois perspective on occupational skill standards and…

  7. 76 FR 2189 - Occupational Information Development Advisory Panel

    Science.gov (United States)

    2011-01-12

    ... vocational assessment, and physical or occupational therapy; (c) occupational or physical rehabilitation... ADMINISTRATION Occupational Information Development Advisory Panel AGENCY: Social Security Administration (SSA). ACTION: Notice of the Charter Renewal for the Occupational Information Development Advisory...

  8. 76 FR 62093 - Preventing Occupational Hearing Loss: Stakeholder Meeting

    Science.gov (United States)

    2011-10-06

    ... of Labor's Occupational Safety and Health Administration (OSHA) published in the Federal Register (FR... Occupational Safety and Health Administration Preventing Occupational Hearing Loss: Stakeholder Meeting AGENCY: Occupational Safety and Health Administration (OSHA), Labor. ACTION: Notice of public meeting.......

  9. Determination of true bed thickness using folded bed model and borehole data

    Energy Technology Data Exchange (ETDEWEB)

    Xu, S.S.; Velasquillo-Martinez, L.G.; Grajales-Nishimura, J.M.; Murillo-Muneton, G. [Inst. Mexicano del Petroleo, Mexico City (Mexico); Garcia-Hernandez, J. [Petroleos Mexicanos Exploracion y Produccion, Tamaulipas (Mexico); Nieto-Samaniego, A.F. [Nacional Autonoma de Mexico Univ., Veracruz (Mexico). Centro de Geociencias

    2007-11-15

    The actual thickness of a given formation perpendicular to the bedding plane is known as the true bed thickness. Petroleum engineers rely on information regarding true bed thickness, particularly in dipping beds and in deviated holes because reservoir volume and isochore maps depend on these properties and not on the measured thickness. True bed thickness can be estimated from information gathered from well logs such as the dipmeter and borehole images. However, when deviations and dips exceed 10 degrees, corrections are needed. In this paper, a folded bed model was proposed to calculate the true bed thickness in the subsurface utilizing well log data. The value of true bed thickness (t) was shown to depend on the angle and the direction of the dip of the measured formation, as well as the drift angle and azimuth of the borehole. A case study from the Cantarell oil field in the southern Gulf of Mexico, offshore Campeche, was used to test the folded bed method. The model was shown to yield more uniform spatial change of the values of t, compared to the monoclinal bed model that often overestimates the average value of t. The maximum relative deviation of t from the monoclinal bed model reached 22.3 per cent and the maximum absolute deviation of t reached 34.5 m. The key factors that influence the values of t were found to be the bed dip, the dip difference between the top and base of the bed and the deviated angle of the well. The folded bed model yielded fewer changed values of the true bed thickness. 10 refs., 2 tabs., 9 figs.

  10. Nail bed injuries and deformities of nail

    Directory of Open Access Journals (Sweden)

    R Ravindra Bharathi

    2011-01-01

    Full Text Available Nail bed injuries are common and management of these requires good knowledge of the nail bed anatomy. Proper management of these injuries will ensure good healing and prevent late deformities. When loss occurs it is challenging to reconstruct which can be done by grafts or microsurgical reconstruction to restore aesthetic appearance of fingers.

  11. Particle pressures in fluidized beds. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Campbell, C.S.; Rahman, K.; Jin, C.

    1996-09-01

    This project studies the particle pressure, which may be thought of as the force exerted by the particulate phase of a multiphase mixture, independently of that exerted by other phases. The project is divided into two parts, one concerning gas and the other liquid fluidized beds. Previous work on gas fluidized beds had suggested that the particle pressures are generated by bubbling action. Thus, for these gas fluidized bed studies, the particle pressure is measured around single bubbles generated in 2-D fluidized beds, using special probes developed especially for this purpose. Liquid beds are immune from bubbling and the particle pressures proved too small to measure directly. However, the major interest in particle pressures in liquid beds lies in their stabilizing effect that arises from the effective elasticity (the derivative of the particle pressure with respect to the void fraction), they impart to the bed. So rather than directly measure the particle pressure, the authors inferred the values of the elasticity from measurements of instability growth in liquid beds; the inference was made by first developing a generic stability model (one with all the normally modeled coefficients left undetermined) and then working backwards to determine the unknown coefficients, including the elasticity.

  12. Particle Pressures in Fluidized Beds. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Campbell, C.S.; Rahman, K.; Jin, C.

    1996-09-01

    This project studies the particle pressure, which may be thought of as the force exerted by the particulate phase of a multiphase mixture, independently of that exerted by other phases. The project is divided into two parts, one concerning gas and the other liquid fluidized beds. Previous work on gas fluidized beds had suggested that the particle pressures are generated by bubbling action. Thus, for these gas fluidized bed studies, the particle pressure is measured around single bubbles generated in 2-D fluidized beds, using special probes developed especially for this purpose. Liquid beds are immune from bubbling and the particle pressures proved too small to measure directly. However, the major interest in particle pressures in liquid beds lies in their stabilizing effect that arises from the effective elasticity (the derivative of the particle pressure with respect to the void fraction): they impart to the bed. So rather than directly measure the particle pressure, we inferred the values of the elasticity from measurements of instability growth in liquid beds the inference was made by first developing a generic stability model (one with all the normally modeled coefficients left undetermined)and then working backwards to determine the unknown coefficients, including the elasticity.

  13. Container and Raised-Bed Gardening

    OpenAIRE

    Niemiera, Alexander Xavier, 1951-

    2009-01-01

    Raised beds, while requiring a high initial labor input, offer improved growing conditions and advantages compared to the existing soil. Improved plant growth, increased yields, and better accessibility are reasons to construct raised beds. This publication reviews the proper containers and plants, planting instructions, watering and potting soils, overwintering plants and more.

  14. Peering inside the granular bed: illuminating feedbacks between bed-load transport and bed-structure evolution

    Science.gov (United States)

    Houssais, M.; Jerolmack, D. J.; Martin, R. L.

    2013-12-01

    The threshold of motion is perhaps the most important quantity to determine for understanding rates of bed load transport, however it is a moving target. Decades of research show that it changes in space and in time within a river, and is highly variable among different systems; however, these differences are not mechanistically understood. Recent researchers have proposed that the critical Shields stress is strongly dependent on the local configuration of the sediment bed [Frey and Church, 2011]. Critical Shields stress has been observed to change following sediment-transporting flood events in natural rivers [e.g., Turowski et al., 2011], while small-scale laboratory experiments have produced declining bed load transport rates associated with slow bed compaction [Charru et al., 2004]. However, no direct measurements have been made of the evolving bed structure under bed load transport, so the connection between granular controls and the threshold of motion remains uncertain. A perspective we adopt is that granular effects determine the critical Shields stress, while the fluid supplies a distribution of driving stresses. In order to isolate the granular effect, we undertake laminar bed load transport experiments using plastic beads sheared by a viscous oil in a small, annular flume. The fluid and beads are refractive index matched, and the fluid impregnated with a fluorescing powder. When illuminated with a planar laser sheet, we are able to image slices of the granular bed while also tracking the overlying sediment transport. We present the first results showing how bed load transport influences granular packing, and how changes in packing influence the threshold of motion to feed back on bed load transport rates. This effect may account for much of the variability observed in the threshold of motion in natural streams, and by extension offers a plausible explanation for hysteresis in bed load transport rates observed during floods. Charru, F., H. Mouilleron, and

  15. Bubbling fluidised bed gasification of wheat straw-gasifier performance using mullite as bed material

    OpenAIRE

    Mac an Bhaird, Seán T.; Hemmingway, Phil; Walsh, Eilín; McDonnell, Kevin; et al.

    2015-01-01

    The adoption of wheat straw as a fuel for gasification processes has been hindered due to a lack of experience and its propensity to cause bed agglomeration in fluidised bed gasifiers. In this study wheat straw was gasified in a small scale, air blown bubbling fluidised bed using mullite as bed material. The gasifier was successfully operated and isothermal bed conditions maintained at temperatures up to 750 ◦C. Below this temperature, the gasifier was operated at equivalence ratios from 0.1 ...

  16. Does Bedding Affect the Airway and Allergy?

    Directory of Open Access Journals (Sweden)

    J Crane

    2011-03-01

    Full Text Available Various cross-sectional and longitudinal studies have suggested that synthetic bedding is associated with asthma, allergic rhinitis and eczema while feather bedding seems to be protective. Synthetic bedding items have higher house dust mite allergen levels than feather bedding items. This is possibly the mechanism involved although fungal and bacterial proinflammatory compounds and volatile organic compounds may play a role. In this review we present and discuss the epidemiological evidence and suggest possible mechanisms. Primary intervention studies are required to show whether feather bedding is protective for the development of childhood asthma and allergic diseases while secondary intervention studies are required to potentially reduce symptoms and medication use in subjects with established disease.

  17. Incipient motion of gravel and coal beds

    Indian Academy of Sciences (India)

    Subhasish Dey; Uddaraju V Raju

    2002-10-01

    An experimental study on incipient motion of gravel and coal beds under unidirectional steady-uniform flow is presented. Experiments were carried out in a flume with various sizes of gravel and coal samples. The critical bed shear stresses for the experimental runs determined using side-wall correction show considerable disagreement with the standard curves. The characteristic parameters affecting the incipient motion of particles in rough-turbulent regime, identified based on physical reasoning and dimensional analysis, are the Shields parameter, particle Froude number, non-dimensional particle diameter and non-dimensional flow depth. Equations of critical bed shear stress for the initial movement of gravel and coal beds were obtained using experimental data. The method of application of critical bed shear stress equations is also mentioned.

  18. Fluidized bed heating process and apparatus

    Science.gov (United States)

    McHale, Edward J. (Inventor)

    1981-01-01

    Capacitive electrical heating of a fluidized bed enables the individual solid particles within the bed to constitute the hottest portion thereof. This effect is achieved by applying an A. C. voltage potential between dielectric coated electrodes, one of which is advantageously the wall of the fluidized bed rejection zone, sufficient to create electrical currents in said particles so as to dissipate heat therein. In the decomposition of silane or halosilanes in a fluidized bed reaction zone, such heating enhances the desired deposition of silicon product on the surface of the seed particles within the fluidized bed and minimizes undesired coating of silicon on the wall of the reaction zone and the homogeneous formation of fine silicon powder within said zone.

  19. Sand attrition in conical spouted beds

    Institute of Scientific and Technical Information of China (English)

    Aranzazu R. Fernández-Akarregui; Jon Makibar; Isabel Alava; Luis Diaz; Fernando Cueva; Roberto Aguado; Gartzen Lopez; Martin Olazar

    2012-01-01

    A study was carried out on the attrition in conical spouted beds using two sands with different properties for several bed heights and gas flow rates.Furthermore,the influence of a draft tube was studied at ambient and high temperatures.The main objective was to acquire knowledge on the attrition of sand beds for biomass pyrolysis in a pilot plant provided with a conical spouted bed reactor.A first-order kinetic equation is proposed for sand attrition in a conical spouted bed at room temperature.The predicted attrition rate constant depends exponentially on excess air velocity over that for minimum spouting.Both the draft tube and temperature increase contribute to reduction of attrition.

  20. A scoping review of time-use research in occupational therapy and occupational science

    OpenAIRE

    McKay, EA; Hunt, E.

    2015-01-01

    Background: Time use is a defining interest within occupational therapy and occupational science. This is evident through the range of contributions to the disciplinary knowledge base. Indeed it has been suggested that time-use methods are amongst the most established research techniques used to explore aspects of human occupation. However, the extent and nature of such activity in occupational therapy and occupational science has not been examined to date. Aim: This study sought to map the e...

  1. Injuries to occupants in cargo areas of pickup trucks.

    Science.gov (United States)

    Agran, P; Winn, D; Anderson, C

    1994-11-01

    Transporting passengers in the cargo area of pickup trucks is a public health safety issue in the United States. Our study compared crashes involving passengers in the cargo area with those involving passengers in the cab. We obtained data for all injury events of pickup occupants for 1990 from the California Highway Patrol. A total of 702 traffic reports coded as having passengers riding in pickup truck beds involved 1,685 passengers in the cargo area and 865 in the cab. Significantly more events involving passengers in the cargo area occurred in summer in rural areas and were noncollisions than did events with only cab passengers. Crashes with passengers in the cargo area resulted in death in 5% of passengers. Of the drivers, 81% were male and 22% were younger than 20 years. Among the 1,685 passengers in the cargo area, 65% were male, 36% were younger than 15 years, and 30% were ages 15 to 19 years. Passengers in the cargo area were more frequently ejected and more seriously injured than their counterparts in the cab. Legislation to restrict travel in truck beds and the design of restraints for this area are some measures that may reduce the risk of injury. PMID:7810125

  2. Occupational injuries due to violence.

    Science.gov (United States)

    Hales, T; Seligman, P J; Newman, S C; Timbrook, C L

    1988-06-01

    Each year in the United States, an estimated 800 to 1,400 people are murdered at work, and an unknown number of nonfatal injuries due to workplace violence occur. Based on Ohio's workers' compensation claims from 1983 through 1985, police officers, gasoline service station employees, employees of the real estate industry, and hotel/motel employees were found to be at the highest risk for occupational violent crime (OVC) injury and death. Grocery store employees, specifically those working in convenience food stores, and employees of the real estate industry had the most reported rapes. Four previously unidentified industries at increased risk of employee victimization were described. Identification of industries and occupations at high risk for crime victimization provides the opportunity to focus preventive strategies to promote employee safety and security in the workplace. PMID:3392614

  3. [Pulmonary thromboembolism in Occupational Medicine].

    Science.gov (United States)

    Reinoso-Barbero, Luis; Díaz-Garrido, Ramón; Fernández-Fernández, Miguel; Capapé-Aguilar, Ana; Romero-Paredes, Carmen; Aguado-Benedí, María-José

    2015-01-01

    Occupational physicians should be familiar with the risk factors and clinical presentation of pulmonary thromboembolism (PTE). PTE belongs to the group ofis a cardiovascular diseases, which are the main cause (40%) of death in Spanish workplaces; at present, they may be considered a work-related injury because of the doctrinal evolution in the legal interpretation of the presumption of iuris tantum. We present the case of a hypertensive and obese adult male who suffered a PTE at his workplace. The availability of a portable pulse oximeter (room air SpO2, 92%) was critical in guiding the decision to refer him urgently to the hospital, where the diagnosis was confirmed. We can conclude that, independently of whether this event is later deemed to be work-related (in this case it was not), occupational physicians must know how to correctly manage and refer affected workers. PMID:27250242

  4. Occupational Engagement and Adults With Intellectual Disabilities.

    Science.gov (United States)

    Mahoney, Wanda J; Roberts, Elysa; Bryze, Kimberly; Parker Kent, Judith A

    2016-01-01

    People with intellectual disabilities may be predisposed to occupational alienation as a result of an inherent need for ongoing support and limited understanding of how they express choice and engagement in occupation. In response to this risk of occupational injustice, this phenomenological study explored the occupational engagement of adults with intellectual disabilities in a community-based day program. Data were collected through interviews using visual supports and through observation of activity groups using the Volitional Questionnaire. Thematic analysis illustrated how participants demonstrated engagement in occupation through doing activity/initiating action, expressing positive affect, and showing focused attention. Findings can inform how occupational therapy practitioners describe and facilitate occupational engagement in adults with intellectual disabilities. PMID:26709435

  5. When to suspect occupational asthma

    OpenAIRE

    Catherine Lemière

    2013-01-01

    Occupational asthma (OA) is a difficult diagnosis to make. The present review describes the work environments in which workers are at risk for developing OA, the characteristics of the individuals in whom OA should be suspected and the investigation that can be performed to diagnose the condition. Accurately diagnosing OA is crucial because of the major social and economic consequences of this diagnosis on the patient.

  6. Occupational Hearing Loss in Korea

    OpenAIRE

    Kim, Kyoo Sang

    2010-01-01

    In this article, current status of noise exposure in workplaces, trend of workers with noise-induced hearing loss (NIHL), and prevalence of NIHL in workers by industry and job category in Korea were reviewed. In addition, trends of research on the audiological effects such as hearing loss from noise and occupational hearing loss from non-noise in Korea were addressed through reports in industrial audiology. Though noise exposure level has improved, noise still shows the highest rate of cases ...

  7. Fitting and Interpreting Occupancy Models

    OpenAIRE

    Welsh, Alan H.; Lindenmayer, David B; Donnelly, Christine F.

    2013-01-01

    We show that occupancy models are more difficult to fit than is generally appreciated because the estimating equations often have multiple solutions, including boundary estimates which produce fitted probabilities of zero or one. The estimates are unstable when the data are sparse, making them difficult to interpret, and, even in ideal situations, highly variable. As a consequence, making accurate inference is difficult. When abundance varies over sites (which is the general rule in ecology b...

  8. The Ocean and Occupational Health

    OpenAIRE

    Prossin, Albert

    1983-01-01

    With the increase in offshore industrial operations, more needs to be known about health and safety of workers in such industries. Some general principles of occupational health apply; some special situations, such as depth diving, demand special knowledge and facilities. Equipment used also brings its own hazards. This article outlines the scope of health and safety concerns for those physicians whose patients work on or in the ocean.

  9. Molecular Occupancy of Nanodot Arrays.

    Science.gov (United States)

    Cai, Haogang; Wolfenson, Haguy; Depoil, David; Dustin, Michael L; Sheetz, Michael P; Wind, Shalom J

    2016-04-26

    Single-molecule nanodot arrays, in which a biomolecule of choice (protein, nucleic acid, etc.) is bound to a metallic nanoparticle on a solid substrate, are becoming an increasingly important tool in the study of biomolecular and cellular interactions. We have developed an on-chip measurement protocol to monitor and control the molecular occupancy of nanodots. Arrays of widely spaced nanodots and nanodot clusters were fabricated on glass surfaces by nanolithography and functionalized with fluorescently labeled proteins. The molecular occupancy was determined by monitoring individual fluorophore bleaching events, while accounting for fluorescence quenching effects. We found that the occupancy can be interpreted as a packing problem, and depends on nanodot size and binding ligand concentration, where the latter is easily adjusted to compensate the flexibility of dimension control in nanofabrication. The results are scalable with nanodot cluster size, extending to large area close packed arrays. As an example, the nanoarray platform was used to probe the geometric requirement of T-cell activation at the single-molecule level. PMID:26966946

  10. Occupational burnout in Birjand dentists

    Directory of Open Access Journals (Sweden)

    Khazaie T

    2011-04-01

    Full Text Available "nBackground and Aims: Occupational burnout is a psychological syndrome resulting from continuous tensions which causes absence, conflict, job changing, etc. In spite of much effort done in optimizing the work conditions and satisfying the employed persons, the dentists still suffer from this incident. The purpose of this study was to determine the degree of occupational burnout in Birjand dentists and to provide an approach."nMaterials and Methods: In this descriptive-analytical study by the census method, 38 dentists were investigated using Maslach questionnaire. Average values were compared with chi-square and comparison among the groups was performed by Tukey test using SPSS software. P≤0.05 was considered as the level of significance."nResults: In this study, there were 68.4% men and 31.6% women with average age of 37.9 ±7.6 years and average work experience of 12.5±7.3 years, 15.8% single and 84.2% married. Frequency of exhaustion, intense depersonalization, and intense feeling of being unsuccessful was 21.1%, 81.6%, and 100%, respectively. There were no significant differences between occupation burnout dimensions and the other variable, such as gender, sports, marital status, and workday hours (P>0.05."nConclusion: Protection of this stratum, providing educational programs and creating job variations are necessary for optimizing the work environment. Future studies with more sample size are suggested to determine the effect of factors.

  11. Heat and Mass Transfer Enforcement of Vibrating Fluidized Bed

    Institute of Scientific and Technical Information of China (English)

    ChuZhide; YangJunhong; 等

    1994-01-01

    This paper briefly introduces the development of vibrating fluidized bed at home and abroad,elaborates the vibration properties of vibrating fluidized bed.the fluidizing velocity and pressure drop of the bed layer,it also deduces the non-steady state drying dynamic equations of vibrating fluidized bed,analyzes main factors which influence the drying rate and inquires into drying rules of fixed bed and vibrating fluidized bed.

  12. Improvement of Combustion Characteristics in Fluidized Bed

    International Nuclear Information System (INIS)

    The present investigation is directed towards the experimental study of the effect of a new design of the bed temperature on the overall thermal efficiency and heat transfer by conduction, convection and radiation in gaseous fuel-fluidized bed combustion system. The experiments are performed on a water-cooled fluidized bed model furnace with cylindrical cross-section of 0.25 m diameter and its height is 0.60 m. the fluidising medium used is sand particles with average diameter 1.5 mm. The bed temperature is varied between 700 degree C and 1100 degree C. Measurements f carbon dioxide, carbon monoxide and oxygen concentrations are carried out by using water-cooled sampling probe, and infrared and paramagnetic analyzers. The results obtained show that the bed temperature, the total heat transfer to the wall and the bed combustion efficiency increase with the decrease of the air-fuel ratio. It is also found that 91% of the total heat transfer is in the fluidising part of the bed and most of this heat is transferred by convection from hot sand particles to the wall. Two empirical formulae for the calculation of the wall heat transfer coefficient and the particle convective heat transfer coefficient are proposed. A verification of the proposed empirical formulae is made by comparing the calculated values with the experimental results.

  13. The Portrayal of Occupational Therapy and Occupational Science in Canadian Newspapers: A Content Analysis

    Directory of Open Access Journals (Sweden)

    Tsing-Yee (Emily Chai

    2016-05-01

    Full Text Available The primary goal of occupational therapy is to enable people to participate in the activities of everyday life. The demand for occupational therapists in Canada is expected to grow sharply at an annual growth rate of 3.2%, compared to 0.7% for all occupations. At the same time, it is believed by occupational therapists in Canada that the Canadian public does not understand the role of occupational therapy. Occupational science is an emerging basic science field that supports the practice of occupational therapy. Given that newspapers are one source the public uses to obtain information and that newspapers are seen to shape public opinions, the purpose of this study is to investigate how “occupational therapy” is covered in Canadian newspapers from the term’s first appearance in 1917 until 2016 and how “occupational science” is covered from the term’s first appearance in 1989 to 2016. We interrogated the findings through the lens of three non-newspaper sources—two academic journals: Canadian Journal of Occupational Therapy (CJOT and Journal of Occupational Science (JOS; and one Canadian magazine: Occupational Therapy Now (OTN. We found that medical terms were prevalent in the newspaper articles covering occupational therapy similar to the presence of medical terms in the CJOT and OTN. However, the newspapers missed contemporary shifts in occupational therapy as evident in the CJOT, OTN and JOS—such as the increased engagement with enablement, occupational justice and other occupational concepts. The newspapers also failed to portray the societal issues that occupational therapy engages with on behalf of and with their clients, and the newspapers did not cover many of the client groups of occupational therapy. Occupational science was only mentioned in n = 26 articles of the nearly 300 Canadian newspapers covered with no concrete content linked to occupational science. The scope of occupational therapy presented in Canadian

  14. Mix bed type desalting device

    International Nuclear Information System (INIS)

    The present invention provides a condensate desalting device of a BWR type reactor capable of preventing degradation of ion exchange resins by water containing oxidative materials such as hydrogen peroxide thereby keeping reactor water at high purity. Namely, a mixed bed type desalting device comprises a desalting tower for removing impurities in water by ion exchange resins and a regeneration device for cleaning/regenerating the ion exchange resins. Means for loading iron cruds into water is disposed in the desalting tower. With such a constitution, oxidative materials such as hydrogen peroxide react with the iron cruds thereby enabling to suppress oxidative reaction during ion exchange. Since passage or cleaning/regeneration of water is conducted while loading the iron cruds between ion exchange resin particles and on the surface layer of an ion exchange resin layer by using the above-mentioned reaction, degradation of ion exchange performance of the ion exchange resins by hydrogen peroxide can be prevented upon condensate cleaning operation or resin cleaning/regeneration. As a result, degradation of quality of reactor water can be suppressed. (I.S.)

  15. A Prototype Four Inch Short Hydride (Fish) Bed As A Replacement Tritium Storage Bed

    International Nuclear Information System (INIS)

    The Savannah River Site (SRS) tritium facilities have used 1st generation (Gen1) metal hydride storage bed assemblies with process vessels (PVs) fabricated from 3 inch nominal pipe size (NPS) pipe to hold up to 12.6 kg of LaNi4.25Al0.75 metal hydride for tritium gas absorption, storage, and desorption for over 15 years. The 2nd generation (Gen2) of the bed design used the same NPS for the PV, but the added internal components produced a bed nominally 1.2 m long, and presented a significant challenge for heater cartridge replacement in a footprint limited glove-box. A prototype 3rd generation (Gen3) metal hydride storage bed has been designed and fabricated as a replacement candidate for the Gen2 storage bed. The prototype Gen3 bed uses a PV pipe diameter of 4 inch NPS so the bed length can be reduced below 0.7 m to facilitate heater cartridge replacement. For the Gen3 prototype bed, modeling results show increased absorption rates when using hydrides with lower absorption pressures. To improve absorption performance compared to the Gen2 beds, a LaNi4.15Al0.85 material was procured and processed to obtain the desired pressure-composition-temperature (PCT) properties. Other bed design improvements are also presented.

  16. In-Bed Accountability Development for a Passively Cooled, Electrically Heated Hydride (PACE) Bed

    International Nuclear Information System (INIS)

    A nominal 1500 STP-L PAssively Cooled, Electrically heated hydride (PACE) Bed has been developed for implementation into a new Savannah River Site tritium project. The 1.2 meter (four-foot) long process vessel contains on internal 'U-tube' for tritium In-Bed Accountability (IBA) measurements. IBA will be performed on six, 12.6 kg production metal hydride storage beds.IBA tests were done on a prototype bed using electric heaters to simulate the radiolytic decay of tritium. Tests had gas flows from 10 to 100 SLPM through the U-tube or 100 SLPM through the bed's vacuum jacket. IBA inventory measurement errors at the 95% confidence level were calculated using the correlation of IBA gas temperature rise, or (hydride) bed temperature rise above ambient temperature, versus simulated tritium inventory.Prototype bed IBA inventory errors at 100 SLPM were the largest for gas flows through the vacuum jacket: 15.2 grams for the bed temperature rise and 11.5 grams for the gas temperature rise. For a 100 SLPM U-tube flow, the inventory error was 2.5 grams using bed temperature rise and 1.6 grams using gas temperature rise. For 50 to 100 SLPM U-tube flows, the IBA gas temperature rise inventory errors were nominally one to two grams that increased above four grams for flows less than 50 SLPM. For 50 to 100 SLPM U-tube flows, the IBA bed temperature rise inventory errors were greater than the gas temperature rise errors, but similar errors were found for both methods at gas flows of 20, 30, and 40 SLPM.Electric heater IBA tests were done for six production hydride beds using a 45 SLPM U-tube gas flow. Of the duplicate runs performed on these beds, five of the six beds produced IBA inventory errors of approximately three grams: consistent with results obtained in the laboratory prototype tests

  17. Bed bug outbreak in a neonatal unit.

    Science.gov (United States)

    Bandyopadhyay, T; Kumar, A; Saili, A

    2015-10-01

    There has been a worldwide increase in bed bug infestations over the last 10-15 years. A major stigma is placed upon the institutions found to be infested. We report our experience with an outbreak of the tropical bed bug, Cimex hemipterus, in a neonatal unit. The outbreak not only affected the admitted newborns and mothers by causing a wide variety of rashes and inducing sleeplessness, but also impinged upon the health professionals and their families by producing similar symptomology. It is important for healthcare providers to be aware of, and for each healthcare facility to have, bed bug prevention and control policies. PMID:25591490

  18. Fluidised-bed combustion of gasification residue

    Energy Technology Data Exchange (ETDEWEB)

    Korpela, T.; Kudjoi, A.; Hippinen, I.; Heinolainen, A.; Suominen, M.; Lu Yong [Helsinki Univ. of Technology (Finland). Lab of Energy Economics and Power Plant Engineering

    1996-12-01

    Partial gasification processes have been presented as possibilities for future power production. In the processes, the solid materials removed from a gasifier (i.e. fly ash and bed material) contain unburnt fuel and the fuel conversion is increased by burning this gasification residue either in an atmospheric or a pressurised fluidised-bed. In this project, which is a part of European JOULE 2 EXTENSION research programme, the main research objectives are the behaviour of calcium and sulphur compounds in solids and the emissions of sulphur dioxide and nitrogen oxides (NO{sub x} and N{sub 2}O) in pressurised fluidised-bed combustion of gasification residues. (author)

  19. Absorber rod for pebble-bed reactor

    International Nuclear Information System (INIS)

    The absorber rod that can be moved into the pebble bed from the top reflector is enclosed by a cladding tube which, if it is completely moved down, ends above the pebble bed and is open at the bottom. Through the cladding tube the absorber rod is cooled with gas. The cladding tube consists of e.g. boron steel. If the absorber rod is drawn it takes along the cladding tube which is moved into the guide tube like a telescope. The rigidity of that part of the absorber rod projecting from the pebble bed is thus guaranteed. (DG)

  20. An occupational therapy intervention for residents with stroke related disabilities in UK care homes (OTCH): cluster randomised controlled trial

    OpenAIRE

    Sackley, Catherine M.; Walker, Marion F; Burton, Chris R; Watkins, Caroline L; Mant, Jonathan; Roalfe, Andrea K; Wheatley, Keith; Sheehan, Bart; Sharp, Leslie; Stant, Katie E.; Fletcher-Smith, Joanna; Steel, Kerry; Wilde, Kate; Irvine, Lisa; Peryer, Guy

    2015-01-01

    Objective To evaluate the clinical efficacy of an established programme of occupational therapy in maintaining functional activity and reducing further health risks from inactivity in care home residents living with stroke sequelae. Design Pragmatic, parallel group, cluster randomised controlled trial. Setting 228 care homes (>10 beds each), both with and without the provision of nursing care, local to 11 trial administrative centres across the United Kingdom. Participants 1042 ca...

  1. The Portrayal of Occupational Therapy and Occupational Science in Canadian Newspapers: A Content Analysis

    OpenAIRE

    Tsing-Yee (Emily) Chai; Gregor Wolbring

    2016-01-01

    The primary goal of occupational therapy is to enable people to participate in the activities of everyday life. The demand for occupational therapists in Canada is expected to grow sharply at an annual growth rate of 3.2%, compared to 0.7% for all occupations. At the same time, it is believed by occupational therapists in Canada that the Canadian public does not understand the role of occupational therapy. Occupational science is an emerging basic science field that supports the practice of o...

  2. Bed Bug Infestations and Control Practices in China: Implications for Fighting the Global Bed Bug Resurgence

    Directory of Open Access Journals (Sweden)

    Changlu Wang

    2011-04-01

    Full Text Available The bed bug resurgence in North America, Europe, and Australia has elicited interest in investigating the causes of the widespread and increasing infestations and in developing more effective control strategies. In order to extend global perspectives on bed bug management, we reviewed bed bug literature in China by searching five Chinese language electronic databases. We also conducted telephone interviews of 68 pest control firms in two cities during March 2011. In addition, we conducted telephone interviews to 68 pest control companies within two cities in March 2011. Two species of bed bugs (Cimex lectularius L. and Cimex hemipterus (F. are known to occur in China. These were common urban pests before the early1980s. Nationwide “Four-Pest Elimination” campaigns (bed bugs being one of the targeted pests were implemented in China from 1960 to the early 1980s. These campaigns succeeded in the elimination of bed bug infestations in most communities. Commonly used bed bug control methods included applications of hot water, sealing of bed bug harborages, physical removal, and applications of residual insecticides (mainly organophosphate sprays or dusts. Although international and domestic travel has increased rapidly in China over the past decade (2000–2010, there have only been sporadic new infestations reported in recent years. During 1999–2009, all documented bed bug infestations were found in group living facilities (military dormitories, worker dormitories, and prisons, hotels, or trains. One city (Shenzhen city near Hong Kong experienced significantly higher number of bed bug infestations. This city is characterized by a high concentration of migratory factory workers. Current bed bug control practices include educating residents, washing, reducing clutter, putting items under the hot sun in summer, and applying insecticides (pyrethroids or organophosphates. There have not been any studies or reports on bed bug insecticide

  3. IceBridge BedMachine Greenland

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set contains bed topography beneath the Greenland Ice Sheet based on mass conservation derived from airborne radar tracks and satellite radar. The data...

  4. Modular Electric Propulsion Test Bed Aircraft Project

    Data.gov (United States)

    National Aeronautics and Space Administration — A hybrid electric aircraft simulation system and test bed is proposed to provide a dedicated development environment for the rigorous study and advancement of...

  5. Modular Electric Propulsion Test Bed Aircraft Project

    Data.gov (United States)

    National Aeronautics and Space Administration — An all electric aircraft test bed is proposed to provide a dedicated development environment for the rigorous study and advancement of electrically powered...

  6. Pressurised fluidised bed power plants

    Energy Technology Data Exchange (ETDEWEB)

    Jansson, S.A.; Anderson, L. [ABB Carbon AB, Finspong (Sweden)

    1997-12-31

    The combined experience from almost 75,000 hours of operation on widely different coals in Pressurised Fluidised bed Combined-cycle (PFBC) plants in Sweden, Spain, the US and Japan have demonstrated the viability of ABB`s PFBC technology and the general simplicity of the concept, as well as plant control principles and serviceability. This technology is now commercially offered world-wide and PFBC is being recognized as a competitive solution for power and for combined heat and power applications. The combined-cycle feature makes PFBC highly efficient for power generation. When compared with conventional power plants, and for the same steam conditions, a PFBC plant typically produces at least 10% more electricity from the same amount of coal. There is potential for future additional efficiency increases. The coals used so far in the existing PFBC power plants include bituminous coals with a wide range of sulphur and ash contents, and a sub-bituminous Spanish `black lignite` with extremely high and variable levels of sulphur, ash, and moisture. Brown coal from the eastern parts of Germany will be used as the fuel in a newly ordered PFBC plant in Cottbus, Germany. Oil shale, petcoke, anthracite, and different types of biomass mixed with coal are presently being considered for other PFBC projects under discussion. PFBC is suitable for greenfield plants, but a market also exists for PFBC repowering of older steam plants. Repowering provides an opportunity to convert older, low capacity factor units into assets that lower the system`s production costs as well as improving environmental performance. Ash utilisation also holds promise, elevating the ash from a disposable waste to a valuable resource. 6 refs., 3 figs., 1 tab.

  7. Occupational rhinitis and occupational asthma; one airway two diseases?

    Science.gov (United States)

    Seed, M. J.; Gittins, M.; DeVocht, F.; Agius, R. M.

    2009-02-01

    The concept of 'one airway, one disease' refers to the frequent comorbidity of asthma and rhinitis. However, only limited research has been done on this association for the diverse range of occupational respiratory sensitisers. The relative frequency of rhinitis was determined for the 15 respiratory sensitisers reported to cause at least 10 cases of rhinitis or asthma to The Health and Occupation Reporting (THOR) network between 1997 and 2006. Of 1408 cases, 1190 were sole diagnoses of asthma, 138 sole diagnoses of rhinitis and in 80 cases asthma coexisted with rhinitis. The six sensitisers for which rhinitis featured in over 15% of cases were all particulates and known to cause release of mast cell mediators, either directly or through IgE antibodies. Four of the other nine sensitisers often exist as vapours and only two have been consistently associated with IgE-mediated disease mechanisms. Particle size did not appear to correlate with the relative frequency of rhinitis. Despite its limitations this study would support the hypothesis that there are at least two mechanistic categories of respiratory sensitisation with rhinitis being relatively more common where the mechanism is IgE-mediated. Particulate nature may be another important factor to consider in future studies.

  8. Occupational rhinitis and occupational asthma; one airway two diseases?

    International Nuclear Information System (INIS)

    The concept of 'one airway, one disease' refers to the frequent comorbidity of asthma and rhinitis. However, only limited research has been done on this association for the diverse range of occupational respiratory sensitisers. The relative frequency of rhinitis was determined for the 15 respiratory sensitisers reported to cause at least 10 cases of rhinitis or asthma to The Health and Occupation Reporting (THOR) network between 1997 and 2006. Of 1408 cases, 1190 were sole diagnoses of asthma, 138 sole diagnoses of rhinitis and in 80 cases asthma coexisted with rhinitis. The six sensitisers for which rhinitis featured in over 15% of cases were all particulates and known to cause release of mast cell mediators, either directly or through IgE antibodies. Four of the other nine sensitisers often exist as vapours and only two have been consistently associated with IgE-mediated disease mechanisms. Particle size did not appear to correlate with the relative frequency of rhinitis. Despite its limitations this study would support the hypothesis that there are at least two mechanistic categories of respiratory sensitisation with rhinitis being relatively more common where the mechanism is IgE-mediated. Particulate nature may be another important factor to consider in future studies.

  9. Hydrodynamics of circulating and bubbling fluidized beds

    International Nuclear Information System (INIS)

    This paper reports that a review of modeling of the hydrodynamics of fluidization of bubbling beds showed that inviscid two-fluid models were able to predict a great deal of the behavior of bubbling beds because the dominant mechanism of energy dissipation is the drag between the particles and the fluid. The formation, the growth and the bursting of bubbles were predicted. Predicted wall-to-bed heat transfer coefficients and velocity profiles of jets agreed with measurements. Time average porosity distributions agreed with measurements done using gamma-ray densitometers without the use of any adjustable parameters. However, inviscid models could not correctly predict rates of erosion around tubes immersed into fluidized beds. To correctly model such behavior, granular stresses involving solids viscosity were added into the computer model. This viscosity arises due to random collision of particles. Several models fro this viscosity were investigated and the results compared to measurements of solids distributions in two-dimensional beds and to particle velocities reported in the literature. While in the case of bubbling beds the solids viscosity plays the role of a correction, modeling of a circulating fluidized bed (CFB) without a viscosity is not possible. Recent experimental data obtained at IIT and at IGT show that in CFB the solids viscous dissipation is responsible for as much as half of the pressure drop. From such measurement, solids viscosities were computed. These were used in the two fluid hydrodynamic model, to predict radial solids distributions and solids velocities which matched the experimental distributions. Most important, the model predicted cluster formation and transient internal circulation which is responsible for the favorable characteristics of CFBs, such as good wall-to-bed heat transfer. Video tape movies of computations compared favorably with high speed movies of the experiments

  10. Use of plutonium in pebble bed HTGRs

    International Nuclear Information System (INIS)

    This paper provides a summary of the current status of world-wide inventories of weapon-grade plutonium and plutonium from reprocessing of power reactor fuel. It addresses the use of pebble bed HTGRs for consumption of the plutonium in terms of the fuel cycle options. The requirements and neutronics aspects, and results from parameter studies conducted using pebble bed reactor types, are discussed, along with proliferation and waste disposal aspects. (author)

  11. Cognitive and emotional functioning in BED

    OpenAIRE

    Kittel, Rebekka; Brauhardt, Anne; Hilbert, Anja

    2016-01-01

    Objective: Binge-eating disorder (BED) is characterized by recurrent episodes of binge eating and is associated with eating disorder and general psychopathology and overweight/obesity. Deficits in cognitive and emotional functioning for eating disorders or obesity have been reported. However, a systematic review on cognitive and emotional functioning for individuals with BED is lacking. Method: A systematic literature search was conducted across three databases (Medline, PubMed, and PsycI...

  12. Suicide following an infestation of bed bugs

    OpenAIRE

    Burrows, Stephanie; Perron, Stéphane; Susser, Stephanie

    2013-01-01

    Patient: Male, 62 Final Diagnosis: Bipolar disorder Symptoms: Bordeline personality disorder Medication: — Clinical Procedure: Bed bug infestation Specialty: Psychiatry Objective: Unusual clinical course Background: In the past decade, bed bug infestations have been increasingly common in high income countries. Psychological consequences of these infestations are rarely examined in the scientific literature. Case Report: We present a case, based on a coroner’s investigation report, of a woman...

  13. A new bed elevation dataset for Greenland

    OpenAIRE

    Griggs, J. A.; Bamber, J. L.; R. T. W. L. , Hurkmans; J. A. Dowdesewell; Gogineni, S. P.; I. Howat; Mouginot, J.; Paden, J.; S. Palmer; E. Rignot; D. Steinhage

    2013-01-01

    We present a new bed elevation dataset for Greenland derived from a combination of multiple airborne ice thickness surveys undertaken between the 1970s and 2011. Around 344 000 line kilometres of airborne data were used, with the majority of this having been collected since the year 2000, when the last comprehensive compilation was undertaken. The airborne data were combined with satellite-derived elevations for non glaciated terrain to produce a consistent bed digital elevation model (DEM) o...

  14. A new bed elevation dataset for Greenland

    OpenAIRE

    Bamber, J. L.; Griggs, J. A.; Hurkmans, R.T.W.L.; Dowdeswell, J. A; Gogineni, S. P.; I. Howat; Mouginot, J.; Paden, J.; S. Palmer; E. Rignot; D. Steinhage

    2013-01-01

    We present a new bed elevation dataset for Greenland derived from a combination of multiple airborne ice thickness surveys undertaken between the 1970s and 2012. Around 420 000 line kilometres of airborne data were used, with roughly 70% of this having been collected since the year 2000, when the last comprehensive compilation was undertaken. The airborne data were combined with satellite-derived elevations for non-glaciated terrain to produce a consistent bed digital elevat...

  15. Cultural relativism: occupation and independence reconsidered.

    Science.gov (United States)

    Whiteford, G E; Wilcock, A A

    2000-12-01

    In this article, findings from a qualitative study of a cohort of occupational therapy students in Auckland, New Zealand are presented. The study focussed on the experiences of students as they learned to work with people from different social and cultural backgrounds over a 3-year period. As well as identifying curriculum and teaching/learning processes that enhance intercultural competence development, the data that emerged from the study also highlight important issues about how occupation and independence are conceptualised across cultures. A review of the trans-disciplinary and occupational therapy literature dealing with theoretical, conceptual and educational issues relating to cross-cultural practice is followed by a presentation of narrative extracts that address the key concepts of occupation and independence. These are then discussed with reference to relevant occupational therapy literature. In conclusion, implications for future research and practice are explored focussing on a need for occupation and independence to be reconsidered as culturally relative constructions. PMID:11140146

  16. Work, obesity, and occupational safety and health.

    Science.gov (United States)

    Schulte, Paul A; Wagner, Gregory R; Ostry, Aleck; Blanciforti, Laura A; Cutlip, Robert G; Krajnak, Kristine M; Luster, Michael; Munson, Albert E; O'Callaghan, James P; Parks, Christine G; Simeonova, Petia P; Miller, Diane B

    2007-03-01

    There is increasing evidence that obesity and overweight may be related, in part, to adverse work conditions. In particular, the risk of obesity may increase in high-demand, low-control work environments, and for those who work long hours. In addition, obesity may modify the risk for vibration-induced injury and certain occupational musculoskeletal disorders. We hypothesized that obesity may also be a co-risk factor for the development of occupational asthma and cardiovascular disease that and it may modify the worker's response to occupational stress, immune response to chemical exposures, and risk of disease from occupational neurotoxins. We developed 5 conceptual models of the interrelationship of work, obesity, and occupational safety and health and highlighted the ethical, legal, and social issues related to fuller consideration of obesity's role in occupational health and safety. PMID:17267711

  17. Occupational radiation doses to personnel

    International Nuclear Information System (INIS)

    Results are presented of 2-year measurements of personnel doses performed according to the program of Personel Dosimetry Centre of Leningrad Scientific Research Institute of Radiation Hygiene. Investigations were carried out in 7 regions of the USSR. Thermoluminescent ''Harshow 2000 D'' dosemeter and lithium fluoride detector were used. Mean dose for all occupational groups (defectoscopists, personnel of radioactive waste disposal, medical radiologists) is found to be not exceeding 10% of maximum permissible dose. It is concluded that working conditions of personnel tested meet the requirements of RPG-76 and sanitary rules BSR-72/80

  18. New Occupation,New Strength

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    When referring to job recruitment,the most pops as always belong to the fields with high-technology and difficulties,such as finance,IT, biological technology,environment and so on,so that those people with some mysterious or complicated jobs,like actuary,investment analyst,ocean scholar,would gain more admirers and respect from the society.Whereas,as for some traditional occupations,the symbol of labor-intensive makes society ignore the creativity and talent of the designers,which is also needed to be recognized and admitted.

  19. Occupational radiation safety in mining

    International Nuclear Information System (INIS)

    The first International Conference on Occupational Radiation Safety in Mining was held three years ago in Golden, Colorado, U.S.A., and it provided an excellent forum for an exchange of information on the many scientific, technical and operational aspects of radiation safety in mining. I am aware of the broad spectrum of epidemiological, engineering and related studies which have been pursued during the past three years with a view to achieving further improvements in radiation protection and I expect that the information on these studies will contribute significantly to a wider understanding of subject, and in particular, the means by which radiation safety measures in mining can be optimized

  20. Occupational asthma caused by ethanolamines.

    Science.gov (United States)

    Savonius, B; Keskinen, H; Tuppurainen, M; Kanerva, L

    1994-12-01

    Amino alcohols are used in various industries, often as minor constituents of compounds to modify the properties of the compound. Generally, they are considered to be safe, but they have been known to cause local skin irritation at higher concentrations in solutions. We report on three cases of occupational asthma caused by ethanolamines: two metal workers exposed to a cutting fluid containing triethanolamine, and one cleaner exposed to a detergent containing monoethanolamine. The diagnosis was based on work-related symptoms and on a chamber challenge with the suspected agent. Persistence of the symptoms after exposure ended was a common feature of the three cases. PMID:7709998

  1. Annual report on occupational safety

    International Nuclear Information System (INIS)

    A report is given on the occupational safety relating to BNFL's employees for the year 1984 and the results compared to those obtained in 1983. Data are presented for each of the Company's Sites on whole body exposures, accidental deaths and major injuries and nuclear and non-nuclear incidents. The results show that the Company average body dose continues to be less than 5mSv, there were no accidental deaths but 15 major injuries. One nuclear incident and 9 non-nuclear incidents were notified to the Health and Safety Executive. (UK)

  2. The Physiology of Bed Rest. Chapter 39

    Science.gov (United States)

    Fortney, Suzanne M.; Schneider, Victor S.; Greenleaf, John E.

    1996-01-01

    Prolonged rest in bed has been utilized by physicians and other health-care workers to immobilize and confine patients for rehabilitation and restoration of health since time immemorial. The sitting or horizontal position is sought by the body to relieve the strain of the upright or vertical postures, for example during syncopal situations, bone fractures, muscle injuries, fatigue, and probably also to reduce energy expenditure. Most health-care personnel are aware that adaptive responses occurring during bed rest proceed concomitantly with the healing process; signs and symptoms associated with the former should be differentiated from those of the latter. Not all illnesses and infirmities benefit from prolonged bed rest. Considerations in prescribing bed rest for patients-including duration, body position, mode and duration of exercise, light-dark cycles, temperature, and humidity-have not been investigated adequately. More recently, adaptive physiological responses have been measured in normal, healthy subjects in the horizontal or slightly head-down postures during prolonged bed rest as analogs for the adaptive responses of astronauts exposed to the microgravity environment of outer and bed-rest research.

  3. Investigation of volumetrically heated debris bed quenching

    Energy Technology Data Exchange (ETDEWEB)

    Konovalikhin, M.J.; Sehgal, B.R. [Royal Institute of Technology, Div. of Nuclear Power Safety, Stockholm (Sweden)

    2001-07-01

    A series of experiments were conducted at RIT (Royal Institute of Technology) in which hot homogeneous and stratified particle beds were quenched by establishing a column of water onto the top of the bed and by injection of water from the bottom delivered through downcomers from the water overlayer. For this experimental program the following approach was adopted. Since corium debris have a particle size distribution and are more like sand, the debris beds were built with sand of different particle size distributions, heated with a network of thin heaters, distributed uniformly in the sand bed to produce uniform volumetric heat generation. Low porosity beds were constructed, since they are the most difficult to quench with top flooding. The primary objective was to obtain data, which will provide a phenomenological basis for assessing margins for coolability of a degraded core debris bed in the lower head of an LWR vessel as well as steam generation rate from the interactions between core debris and water. This paper summarizes the experimental results along with related analysis. (authors)

  4. CFD-DEM study of effect of bed thickness for bubbling fluidized beds

    Institute of Scientific and Technical Information of China (English)

    Tingwen Li; Pradeep Gopalakrishnana; Rahul Garg; Mehrdad Shahnam

    2012-01-01

    The effect of bed thickness in rectangular fluidized beds is investigated through the CFD-DEM simulations of small-scale systems.Numerical results are compared for bubbling fluidized beds of various bed thicknesses with respect to particle packing,bed expansion,bubble behavior,solids velocities,and particle kinetic energy.Good two-dimensional (2D) flow behavior is observed in the bed having a thickness of up to 20 particle diameters.However,a strong three-dimensional (3D) flow behavior is observed in beds with a thickness of 40 particle diameters,indicating the transition from 2D flow to 3D flow within the range of 20-40 particle diameters.Comparison of velocity profiles near the walls and at the center of the bed shows significant impact of the front and back walls on the flow hydrodynamics of pseudo-2D fluidized beds.Hence,for quantitative comparison with experiments in pseudo-2D columns,the effect of wails has to be accounted for in numerical simulations.

  5. CFD-DEM study of effect of bed thickness for bubbling fluidized beds

    Energy Technology Data Exchange (ETDEWEB)

    Tingwen, Li; Gopalakrishnan, Pradeep; Garg, Rahul; Shahnam, Mehrdad

    2011-10-01

    The effect of bed thickness in rectangular fluidized beds is investigated through the CFD–DEM simulations of small-scale systems. Numerical results are compared for bubbling fluidized beds of various bed thicknesses with respect to particle packing, bed expansion, bubble behavior, solids velocities, and particle kinetic energy. Good two-dimensional (2D) flow behavior is observed in the bed having a thickness of up to 20 particle diameters. However, a strong three-dimensional (3D) flow behavior is observed in beds with a thickness of 40 particle diameters, indicating the transition from 2D flow to 3D flow within the range of 20–40 particle diameters. Comparison of velocity profiles near the walls and at the center of the bed shows significant impact of the front and back walls on the flow hydrodynamics of pseudo-2D fluidized beds. Hence, for quantitative comparison with experiments in pseudo-2D columns, the effect of walls has to be accounted for in numerical simulations.

  6. WTP Pretreatment Facility Potential Design Deficiencies--Sliding Bed and Sliding Bed Erosion Assessment

    Energy Technology Data Exchange (ETDEWEB)

    Hansen, E. K. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)

    2015-05-06

    This assessment is based on readily available literature and discusses both Newtonian and non-Newtonian slurries with respect to sliding beds and erosion due to sliding beds. This report does not quantify the size of the sliding beds or erosion rates due to sliding beds, but only assesses if they could be present. This assessment addresses process pipelines in the Pretreatment (PT) facility and the high level waste (HLW) transfer lines leaving the PT facility to the HLW vitrification facility concentrate receipt vessel.

  7. WTP Pretreatment Facility Potential Design Deficiencies--Sliding Bed and Sliding Bed Erosion Assessment

    International Nuclear Information System (INIS)

    This assessment is based on readily available literature and discusses both Newtonian and non-Newtonian slurries with respect to sliding beds and erosion due to sliding beds. This report does not quantify the size of the sliding beds or erosion rates due to sliding beds, but only assesses if they could be present. This assessment addresses process pipelines in the Pretreatment (PT) facility and the high level waste (HLW) transfer lines leaving the PT facility to the HLW vitrification facility concentrate receipt vessel.

  8. Effect of bed configuration on pebble flow uniformity and stagnation in the pebble bed reactor

    International Nuclear Information System (INIS)

    Highlights: • Pebble flow uniformity and stagnation characteristics are very important for HTR-PM. • Arc- and brachistochrone-shaped configuration effects are studied by DEM simulation. • Best bed configurations with uniform flow and no stagnated pebbles are suggested. • Detailed quantified characteristics of bed configuration effects are shown for explanation. - Abstract: Pebble flow uniformity and stagnation characteristics are very important for the design of pebble bed high temperature gas-cooled reactor. Pebble flows inside some specifically designed contraction configurations of pebble bed are studied by discrete element method. The results show the characteristics of stagnation rates, recycling rates, radial distribution of pebble velocity and residence time. It is demonstrated clearly that the bed with a brachistochrone-shaped configuration achieves optimum levels of flow uniformity and recycling rate concentration, and almost no pebbles are stagnated in the bed. Moreover, the optimum choice among the arc-shaped bed configurations is demonstrated too. Detailed information shows the quantified characteristics of bed configuration effects on flow uniformity. In addition, a good design of the pebble bed configuration is suggested

  9. Occupational exposure to polychlorinated biphenyls (PCBs).

    OpenAIRE

    Wolff, M S

    1985-01-01

    Human occupational exposure to polychlorinated biphenyls (PCBs) with varying chlorine content has been reported by several investigators, using analyses of blood or adipose samples or skin wipes to evaluate levels in the body. The intensity of occupational exposure is related to both duration and intensity of exposure. The qualitative nature of occupational exposure, as well as casual environmental exposure, has been shown to consist of less readily metabolized PCB congeners. The pattern of P...

  10. Occupational therapy students’ views of health promotion

    OpenAIRE

    Jones-Phipps, M; Craik, C

    2008-01-01

    With the increased interest in the contribution of occupational therapists to health promotion, the College of Occupational Therapists (2004a) recommended that pre-registration programmes should prepare graduates for practice which includes health promotion. This study ascertained the views of second year occupational therapy students about health promotion. Thirty five (30%) students responded to a self report questionnaire and demonstrated positive views about the future relationship betwee...

  11. Asthma severity and exposure to occupational asthmogens

    OpenAIRE

    Le Moual, Nicole; Siroux, Valérie; Pin, Isabelle; Kauffmann, Francine; Kennedy, Susan,

    2005-01-01

    RATIONALE: Severe asthma is a public health problem with limited information regarding preventable causes. Although occupational exposures have been implicated as important risk factors for asthma and asthma exacerbations, associations between occupational exposures and asthma severity have not been reported. OBJECTIVE: To examine associations between occupational exposures and asthma severity. METHODS: The Epidemiological Study on the Genetics and Environment of Asthma combines a case-contro...

  12. Occupational cancer burden in Great Britain

    OpenAIRE

    Rushton, Lesley; Hutchings, Sally J; Fortunato, Lea; Young, Charlotte; Evans, Gareth S; Brown, Terry; Bevan, Ruth; Slack, Rebecca; Holmes, Phillip; Bagga, Sanjeev; Cherrie, John W; van Tongeren, Martie

    2012-01-01

    A sound knowledge base is required to target resources to reduce workplace exposure to carcinogens. This project aimed to provide an objective estimate of the burden of cancer in Britain due to occupation. This volume presents extensive analyses for all carcinogens and occupational circumstances defined as definite or probable human occupational carcinogens by the International Agency for Research on Cancer. This article outlines the structure of the supplement – two methodological papers (st...

  13. Occupational Complexity and Lifetime Cognitive Abilities

    OpenAIRE

    Smart, Emily

    2013-01-01

    Associations were examined between complexity of main lifetime occupation and cognitive performance in later life. Occupational complexity ratings for data, people and things were collected from the Dictionary of Occupational Titles (DOT) for 1066 (men= 534, women= 532) individuals in the Lothian Birth Cohort 1936. Early life ability is one of the largest predictors of later life cognitive abilities and one of the greatest strengths of the study is the availability of early life ability measu...

  14. General practitioners and occupational health services.

    OpenAIRE

    Parker, G.

    1996-01-01

    BACKGROUND: Occupational physicians and general practitioners often appear to differ in their attitudes to the provision of health screening, health promotion and vaccination in the workplace. AIM: This study aimed to explore the attitudes of occupational physicians and general practitioners to particular aspects of workplace health services. METHOD: Anonymous piloted postal questionnaires were sent to 400 UK general practitioners and 300 occupational physicians. RESULTS: Questionnaires were ...

  15. Can professionals actually enable occupational justice?

    OpenAIRE

    Elizabeth Townsend; Rebecca Marval

    2013-01-01

    : Where everyday injustice – occupational injustice – persists, health and social professionals have an ethical, moral and professional obligation to reduce injustice with and for destitute as well as privileged members of society. But can professionals actually enable occupational justice? This reflective paper takes readers on a journey toward optimistically responding maybe. The analytic approach is summarized in preparation for tracing when and how the awakening to occupational injustice ...

  16. Identifying shortage occupations in the UK

    OpenAIRE

    Anna Downs

    2009-01-01

    This article describes the top-down methodology used by the Migration Advisory Committee (MAC) to identify shortage occupations. Identifying shortage occupations is difficult and few countries have attempted to do this in a systematic way. The methodology developed by the MAC to identify shortage occupations is the first to use a comprehensive range of indicators. The methodology dovetails national level top-down data with bottom-up micro-level data and qualitative information from stakeholde...

  17. Educating occupational therapists for mental health practice

    OpenAIRE

    Craik, C.; Austin, C

    2000-01-01

    The last of four elements of the Mental Health Project, established by the College of Occupational Therapists to produce a position paper on the way ahead for research, education and practice in occupational therapy in mental health (Craik et al 1998a), focused on educating occupational therapy students to work in mental health. First, the views of practitioners about their pre-registration education were derived from one component of the practitioners' survey (Craik et al 1998b). One hun...

  18. HOTEL HOUSEKEEPING OCCUPATIONAL STRESSORS IN NORWAY

    OpenAIRE

    Matthew H. T. Yap

    2011-01-01

    Stress is evident in the Norwegian hotel industry and requires urgent attention as portrayed in Annbjørg’s housekeeping managerial occupation. Annbjørg’s occupational stressors derived from weak control of and support for demanding jobs in the housekeeping department and possibly under-reward in comparison to her tireless efforts. Hence, this case study provides a platform for educators, trainers, managers, students and learners to critically examine, discuss and argue managerial occupational...

  19. Industrial Fungal Enzymes: An Occupational Allergen Perspective

    OpenAIRE

    Green, Brett J.; Beezhold, Donald H.

    2011-01-01

    Occupational exposure to high-molecular-weight allergens is a risk factor for the development and pathogenesis of IgE-mediated respiratory disease. In some occupational environments, workers are at an increased risk of exposure to fungal enzymes used in industrial production. Fungal enzymes have been associated with adverse health effects in the work place, in particular in baking occupations. Exposure-response relationships have been demonstrated, and atopic workers directly handling fungal ...

  20. Dupuytren's disease: personal factors and occupational exposure.

    OpenAIRE

    Lucas, Gérard; Brichet, Anne; Roquelaure, Yves; Leclerc, Annette; Descatha, Alexis

    2008-01-01

    BACKGROUND: The etiology of Dupuytren's disease is unknown, and the role of occupational exposure is still debated. Our objective was to study the association between occupational exposures, personal risk factors and Dupuytren's disease. METHODS: In this cross-sectional survey, nine occupational physicians performed clinical examinations, focused on Dupuytren's disease, of 2,406 French male civil servants employed at the Equipment Ministry in 1998 and interviewed them about medical history, l...

  1. 78 FR 64504 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2013-10-29

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF HEALTH AND HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH or Institute) Cancellation:...

  2. Imaging of occupational and environmental lung diseases

    Energy Technology Data Exchange (ETDEWEB)

    Akira, M. [Kinki Cuo Chest Medical Center, Osaka (Japan)

    2008-03-15

    The chest radiograph is the basic tool for identifying occupational and environmental lung diseases; however, its sensitivity and specificity for the diagnosis of occupational and environmental lung diseases are low. High-resolution CT is the optimal method of recognizing parenchymal abnormalities in occupational and environmental disease. With the exception of pleural plaques, the CT findings of occupational and environmental lung diseases are nonspecific. Therefore, correlation of imaging features with history of exposure, other clinical features, and sometimes pathology is needed for the diagnosis of pneumoconiosis.

  3. Definition and denomination of occupations in libraries

    Directory of Open Access Journals (Sweden)

    Jelka Gazvoda

    1998-01-01

    Full Text Available In the first part of the article, the author presents the modern definition of occupation as defined in the ISCO-88 standard, and consecutively in the Slovenian Standard Classification of Occupations; occupations in the field of library and information science are then placed in a wider frame of information occupations which are present in ali spheres of activities. The following part of the article is focused on information occupations in libraries, especially on their contents definitions and denominations.Based on the analysis of job descriptions in three Slovenian libraries (National and University Library, University Library of Maribor and Central Technical Library,the author came to the following conclusion: the existent practice in libraries shows that the contents and denominations of occupations in library and information jobs are defined too loosely. In most cases, the contents of occupation is defined by the contents of the job, while for its denomination the required educational title of the employee is often used. Therefore, the author proposes the establishment of a work force which would define the contents and design denominations to library and information occupations according to the principles contained in the Standard Classification of Occupations.

  4. Znanost v delovni terapiji - naložba v razvoj: Occupational science in occupational therapy - investment in development:

    OpenAIRE

    PIHLAR, Zdenka

    2009-01-01

    In her article, the author reflects upon the development of occupational therapy in the following decade. Occupational science in occupational therapy has become the basis for the development of occupational therapy in Slovenia. It is directed towards understanding human beings as "occupational beings", the analysis of intentional and meaningful activity, the impact of occupation on an individual's satisfaction and quality of life and the relationship between the performance of an occupation ...

  5. 21 CFR 880.5110 - Hydraulic adjustable hospital bed.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Hydraulic adjustable hospital bed. 880.5110... Therapeutic Devices § 880.5110 Hydraulic adjustable hospital bed. (a) Identification. A hydraulic adjustable hospital bed is a device intended for medical purposes that consists of a bed with a hydraulic...

  6. Model of rough bed for numerical simulation of saltation

    Czech Academy of Sciences Publication Activity Database

    Kharlamova, Irina; Vlasák, Pavel

    19, 3 (2015), s. 366-385. ISSN 1964-8189 R&D Projects: GA ČR GA103/09/1718; GA ČR GAP105/10/1574 Institutional support: RVO:67985874 Keywords : saltation * bed load transport * rough bed * armoured bed * bed roughness Subject RIV: BK - Fluid Dynamics Impact factor: 0.514, year: 2014

  7. Occupational dose trends in Tanzania

    International Nuclear Information System (INIS)

    This paper describes the present status of occupational radiation exposure of monitored workers in Tanzania from 1986 to 1997. The analysis of dose records observes over this period, a fluctuating trend both in the individual and collective doses. The trend is more related to the fluctuations of the number of radiation workers than to the possible radiation safety changes of the working conditions. It has been found that, the maximum annual dose for the worker in all work categories was about 18 mSv y-1. This suggests that the occupational radiation exposure in all practices satisfies the current dose limitation system. The national exposure summary shows that, the highest collective dose of 12.8 man-Sv which is 90% of the total collective dose, was due to medical applications. The applications in industry and research had a contribution of nearly 0.8 and 0.7 man-Sv respectively. From the professional point of view, the medical diagnostic radiographers received the highest collective dose of 11.2 man-Sv. Although the medical physicists recorded the minimum collective dose of nearly 0.07 man-Sv, the data shows that this profession received the highest mean dose of about 33 mSv in 12 years. Some achievements of the personnel monitoring services and suggestions for future improvement are pointed out. (author)

  8. Monitoring of occupational radiation exposures

    International Nuclear Information System (INIS)

    The most widely used tool for occupational radiation exposure monitoring is a badge worn on the trunk to measure Hp(10) and Hp(0.07) of photon radiation. Monitoring of exposure to beta and neutron radiations is performed for about 20% and 5%, respectively, of the workers occupationally exposed to radiation. Monitoring for internal deposition of radionuclides is, in general, less well regulated, and the results of internal dosimetry programmes are scarcely available. Dose to workers can also be determined from the results of workplace monitoring. In the case of aircrews, dose is normally computed on the basis of data on cosmic radiation fields and flight profiles. New techniques are emerging for the individual monitoring of external radiation. Active and passive electronic dosimeter systems are providing new dimensions for dosimetry and data handling, including direct dose readout capabilities and application of modern data networks. A number of problems remain to be solved. Neutron and beta dosimeters are not yet fully satisfactory. Internal dosimetry, still the subject of major research activities, has a need for more standardized routine programmes and systematic reporting. Monitoring for naturally occurring radioactive materials has to be improved and included in existing programmes. For global exchange, standards on dose record formats, and most particularly, unique quantities and units, are indispensable. (author)

  9. Is sexual expression and Irish occupational therapy curriculum blind spot? The occupational therapy student perspective

    OpenAIRE

    McDaid, Lisa

    2012-01-01

    non-peer-reviewed The American Occupational Therapy Association (AOTA) validates sexual expression as a legitimate intervention activity by including it in its activities of daily living (ADL) list in the Uniform Terminology for Occupational Therapy. Sexual expression is frequently affected by disability, but seems to be infrequently addressed by practicing occupational therapists (Friedman et al 1997; Couldrick 2005). The literature indicates that occupational therapists om...

  10. [Occupational and non-occupational factors influencing health state of small and medium business workers].

    Science.gov (United States)

    Fasikov, R M; Khuzhakhmetova, I B; Stepanov, E G

    2010-01-01

    Complex study of work conditions and health parameters of workers engaged into small and medium business proved that preserved and better health of these workers, prevention of occupational and occupationally mediated diseases necessitate federal and regional complex system of measures including legal basis, database on work conditions and their influence on small and medium business workers' health, occupational medicine training for employers and employees, more active involvement of medical institutioins into screening for occupational diseases. PMID:20734853

  11. StratBAM: A Discrete-Event Simulation Model to Support Strategic Hospital Bed Capacity Decisions.

    Science.gov (United States)

    Devapriya, Priyantha; Strömblad, Christopher T B; Bailey, Matthew D; Frazier, Seth; Bulger, John; Kemberling, Sharon T; Wood, Kenneth E

    2015-10-01

    The ability to accurately measure and assess current and potential health care system capacities is an issue of local and national significance. Recent joint statements by the Institute of Medicine and the Agency for Healthcare Research and Quality have emphasized the need to apply industrial and systems engineering principles to improving health care quality and patient safety outcomes. To address this need, a decision support tool was developed for planning and budgeting of current and future bed capacity, and evaluating potential process improvement efforts. The Strategic Bed Analysis Model (StratBAM) is a discrete-event simulation model created after a thorough analysis of patient flow and data from Geisinger Health System's (GHS) electronic health records. Key inputs include: timing, quantity and category of patient arrivals and discharges; unit-level length of care; patient paths; and projected patient volume and length of stay. Key outputs include: admission wait time by arrival source and receiving unit, and occupancy rates. Electronic health records were used to estimate parameters for probability distributions and to build empirical distributions for unit-level length of care and for patient paths. Validation of the simulation model against GHS operational data confirmed its ability to model real-world data consistently and accurately. StratBAM was successfully used to evaluate the system impact of forecasted patient volumes and length of stay in terms of patient wait times, occupancy rates, and cost. The model is generalizable and can be appropriately scaled for larger and smaller health care settings. PMID:26310949

  12. Occupational Training in Selected Metalworking Industries, 1974. A Report on a Survey of Selected Occupations.

    Science.gov (United States)

    Bureau of Labor Statistics (DOL), New York, NY.

    A survey was conducted regarding the occupational training provided by employers for fourteen occupations in four metalworking industries. The fourteen occupations selected for study included crane operator, electrician, layout worker, machine tool setter, machinist, mechanic, sheet metal worker, and tool and die maker. The four industries…

  13. 77 FR 75633 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2012-12-21

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH) In accordance with section 10(a)(2.... Purpose: The Safety and Occupational Health Study Section will review, discuss, and evaluate...

  14. 75 FR 56549 - National Institute for Occupational Safety and Health (NIOSH), Safety and Occupational Health...

    Science.gov (United States)

    2010-09-16

    ... Health (NIOSH), Safety and Occupational Health Study Section (SOHSS) In accordance with section 10(a)(2... occupational safety and health, and allied areas. It is the intent of NIOSH to support broad-based research... delivery of occupational safety and health services, and the prevention of work-related injury and......

  15. 75 FR 26266 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2010-05-11

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH) In accordance with section 10(a)(2.... Purpose: The Safety and Occupational Health Study Section will review, discuss, and evaluate...

  16. 75 FR 5333 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2010-02-02

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH) In accordance with section 10(a)(2... Law 92-463. Purpose: The Safety and Occupational Health Study Section will review, discuss,...

  17. 77 FR 51810 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2012-08-27

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH) In accordance with section 10(a)(2..., pursuant to Public Law 92-463. Purpose: The Safety and Occupational Health Study Section will...

  18. 77 FR 27776 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2012-05-11

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH) In accordance with section 10(a)(2..., pursuant to Public Law 92-463. Purpose: The Safety and Occupational Health Study Section will...

  19. 78 FR 56235 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2013-09-12

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH or Institute) In accordance with... occupational safety and health services, and the prevention of work-related injury and illness. It...

  20. 76 FR 3908 - Safety and Occupational Health Study Section (SOHSS); National Institute for Occupational Safety...

    Science.gov (United States)

    2011-01-21

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS); National Institute for Occupational Safety and Health (NIOSH); Meeting Notice In accordance with...-1403. Purpose: The Safety and Occupational Health Study Section will review, discuss, and...

  1. 78 FR 75922 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2013-12-13

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH or Institute) In accordance with..., Virginia 22314, Telephone: (703) 684-5900, Fax: (703) 684-0653. Purpose: The Safety and Occupational...

  2. 78 FR 24751 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2013-04-26

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH or Institute) In accordance with... Services Office, CDC, pursuant to Public Law 92-463. Purpose: The Safety and Occupational Health...

  3. 76 FR 18220 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2011-04-01

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH) In accordance with section 10(a)(2..., pursuant to Public Law 92-463. Purpose: The Safety and Occupational Health Study Section will...

  4. 76 FR 52330 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2011-08-22

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health (NIOSH) In accordance with section 10(a)(2... Office, CDC, pursuant to Public Law 92-463. Purpose: The Safety and Occupational Health Study...

  5. 77 FR 4048 - Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety...

    Science.gov (United States)

    2012-01-26

    ... HUMAN SERVICES Centers for Disease Control and Prevention Safety and Occupational Health Study Section (SOHSS), National Institute for Occupational Safety and Health, (NIOSH) In accordance with section 10(a... Office, CDC, pursuant to Public Law 92-463. Purpose: The Safety and Occupational Health Study...

  6. Occupational Therapy and Older Drivers: Research, Education, and Practice

    Science.gov (United States)

    Stav, Wendy B.

    2008-01-01

    Occupational therapists facilitate independence and support participation in occupations that are personally meaningful to clients to enhance well-being and quality of life. Among the occupations addressed by occupational therapists is the instrumental activity of daily living (IADL) of driving. Occupational therapists are particularly concerned…

  7. NONUNIFORM OPEN CHANNEL FLOW WITH UPWARD SEEPAGE THROUGH LOOSE BEDS

    Institute of Scientific and Technical Information of China (English)

    Subhasish DEY

    2003-01-01

    The Reynolds stress and bed shear stress are important parameters in fluvial hydraulics. Steadynonuniform flow in open channels with streamwise sloping beds having upward seepage through loose beds is theoretically analyzed to estimate the Reynolds stress and bed shear stress. Equations of the Reynolds stress and bed shear stress are developed, assuming a modified logarithmic velocity distribution law due to upward seepage, and using the Reynolds and continuity equations of twodimensional flow in open channels.

  8. Bed and breakfasts in Virginia :identification and success factors

    OpenAIRE

    Kaufman, Tammie J

    1994-01-01

    Virginia bed and breakfast operations were researched in order to determine the attitudes/beliefs which were necessary for success in the bed and breakfast industry. The objectives of the study were to: (1) identify demographics of Virginia bed and breakfast operations; (2) identify successful bed and breakfast operations based upon their self definition of success; (3) identify the attitudes and beliefs operators believe are necessary for success in running a bed and breakf...

  9. Experiments on the dryout behavior of stratified debris beds

    Energy Technology Data Exchange (ETDEWEB)

    Leininger, Simon; Kulenovic, Rudi; Laurien, Eckart [Stuttgart Univ. (Germany). Inst. of Nuclear Technology and Energy Systems (IKE)

    2015-10-15

    In case of a severe accident with loss of coolant and core meltdown a particle bed (debris) can be formed. The removal of decay heat from the debris bed is of prime importance for the bed's long-term coolability to guarantee the integrity of the RPV. In contrast to previous experiments, the focus is on stratified beds. The experiments have pointed out that the bed's coolability is significantly affected.

  10. Comparison of experimental and fossil leaf morphospace occupation suggests a role for atmospheric composition in driving morphospace change across a mass extinction boundary

    Science.gov (United States)

    Bacon, Karen; McElwain, Jennifer

    2016-04-01

    The Triassic-Jurassic boundary (~201 mya) marks a period of intense climate change associated with a mass extinction event and major volcanism. The impact of these environmental stresses has been well-documented; however, a detailed analysis of the morphospace response of plants across the boundary has not been conducted. In order to determine the impact of changing atmospheric composition on leaf morphospace occupation, we compared a fossil flora to controlled environment experiments. We analysed morphometric data for over 2,000 well-preserved leaf fossils from nine plant beds across the TJ of Astartekløft, East Greenland. Data including leaf length, width, area, and shape were used to determine morphospace occupation for each bed at the site. In the lower Triassic beds, morphospace occupation is high compared to a severe reduction at and across the boundary, contemporaneous with peak reconstructed CO2 and hypothesised elevated SO2 and other volcanic gases. These findings were compared to controlled environment experiments, where the same measurements were made on leaves from nearest living equivalent taxa grown in simulated palaeoatmospheric conditions. These experiments revealed that exposure to SO2, but not to variations in either CO2 or O2, produced a similar sever reduction in morphospace occupation. These findings together suggest that atmospheric composition change across the TJ, and particularly an elevation in SO2, had a role in heavily disrupting the plant community morphospace of East Greenland.

  11. Spouted bed electrowinning of zinc: Part II. Investigations of the dynamics of particles in large thin spouted beds

    Science.gov (United States)

    Verma, A.; Evans, J. W.; Salas-Morales, Juan Carlos

    1997-02-01

    The behavior of particles in thin spouted beds, mostly equipped with draft tubes, has been investigated. Three apparatuses have been used: a laboratory-scale cylindrical bed, a 2-m-tall “flat” (rectangular cross section) bed and a 2-m-wide flat bed, the last equipped with multiple draft tubes. Most of the results were obtained on the tall bed. Minimum spouting flow rate, pressure distribution, particle velocities, and solid circulation rates were determined as a function of bed geometry (including draft tube dimensions and position). Observations were made of the direction of liquid flow in the bed outside the draft tube and of the occurrence of zones in the bed where the particles appeared stationary. The wide bed was used to determine that there is a maximum separation between draft tubes beyond which particles cannot be kept in motion across the whole width of the bed.

  12. In-bed accountability of tritium in production scale metal hydride storage beds

    International Nuclear Information System (INIS)

    An 'in-bed accountability' (IBA) flowing gas calorimetric measurement method has been developed and implemented to eliminate the need to remove tritium from production scale metal hydride storage beds for inventory measurement purposes. Six-point tritium IBA calibration curves have been completed for two, 390 gram tritium metal hydride storage beds. The calibration curves for the two tritium beds are similar to those obtained from the 'cold' test program. Tritium inventory errors at the 95 percent confidence level ranged from ± 7.3 to 8.6 grams for the cold test results compared to ± 4.2 to 7.5 grams obtained for the two tritium calibrated beds. 5 refs., 4 figs., 1 tab

  13. Loading and Unloading Weaned Pigs: Effects of Bedding Types, Ramp Angle, and Bedding Moisture.

    Science.gov (United States)

    Garcia, Arlene; McGlone, John J

    2014-01-01

    The use of non-slip surfaces during loading and unloading of weaned pigs plays an important role in animal welfare and economics of the pork industry. Currently, the guidelines available only suggest the use of ramps below 20° to load and unload pigs. Three ramp angles (0°, 10° or 20°), five bedding materials (nothing, sand, feed, wood shavings or wheat straw hay), two moistures (dry or wet bedding; >50% moisture) over two seasons (>23.9 °C summer, pig observations). "Score" was calculated by the sum of slips, falls, and vocalizations. With the exception of using feed as a bedding, all beddings provided some protection against elevated slips, falls, and vocalizations (P feed, at slopes greater than zero, decreased slips, falls and vocalizations. The total time it took to load and unload pigs was affected by bedding type, ramp angle, and season (P pigs improved animal welfare. PMID:26479010

  14. Employment of Handicapped People in Leisure Occupations.

    Science.gov (United States)

    Compton, David M.; Vinton, Dennis A.

    In response to the need for up-to-date information on employment opportunities for handicapped people in the leisure occupations, a national survey was conducted to determine both existing levels of employment and employer practices. The survey was sent to 500 agencies and businesses representing four leisure occupational subclusters: travel,…

  15. An Analysis of the Baking Occupation.

    Science.gov (United States)

    Boyadjid, Thomas A; Paoletti, Donald J.

    The general purpose of the occupational analysis is to provide workable, basic information dealing with the many and varied duties performed in the baking occupation. Such tasks as choosing ingredients and the actual baking process are logical primary concerns, but also explored are the safety and sanitation factors and management problems in a…

  16. Special Help: Physical and Occupational Therapy.

    Science.gov (United States)

    Murphy, Linda; Della Corte, Suzanne

    1988-01-01

    This issue of "Special Parent/Special Child" describes the role of occupational and physical therapy in maximizing the potential of special needs children. Physical and occupational therapy are defined and the training and functions of therapists in each area are outlined. Also discussed are the goals of therapy programs in developing gross and…

  17. Role of occupational therapy after stroke

    OpenAIRE

    Rowland Tennille; Cooke Deirdre; Gustafsson Louise

    2008-01-01

    Internationally recognized best practice care in the early management and rehabilitation of individuals following stroke includes multidisciplinary assessment and treatment by a coordinated team of health care professionals that includes occupational therapists. Occupational therapists assess the impact of changes in motor function, sensation, coordination, visual perception, and cognition on a person′s capacity to manage daily life tasks. Intervention improves participation in meaning...

  18. Lather (Interior Systems Mechanic). Occupational Analyses Series.

    Science.gov (United States)

    Chapman, Mike; Chapman, Carol; MacLean, Margaret

    This analysis covers tasks performed by a lather, an occupational title some provinces and territories of Canada have also identified as drywall and acoustical mechanic; interior systems installer; and interior systems mechanic. A guide to analysis discusses development, structure, and validation method; scope of the occupation; trends; and…

  19. Occupational blood exposure accidents in the Netherlands.

    NARCIS (Netherlands)

    Wijk, P.T.L. van; Schneeberger, P.M.; Heimeriks, K.; Boland, G.J.; Karagiannis, I.; Geraedts, J.; Ruijs, W.L.M.

    2010-01-01

    BACKGROUND: To make proper evaluation of prevention policies possible, data on the incidence and associated medical costs of occupational blood exposure accidents in the Netherlands are needed. METHODS: Descriptive analysis of blood exposure accidents and risk estimates for occupational groups. Cost

  20. American Association of Occupational Health Nurses

    Science.gov (United States)

    ... Vision & Mission Board of Directors Fellows What is Occupational Health Nursing Public/Legislative Affairs AAOHN Alliances AAOHN Affiliates AAOHN ... Total Worker Health ® Agenda The American Association of Occupational ... nursing education by the American Nurses Credentialing Center’s Commission ...

  1. Occupation and leukemia in Nordic countries

    DEFF Research Database (Denmark)

    Talibov, Madar; Kautiainen, Susanna; Martinsen, Jan Ivar;

    2012-01-01

    We studied occupational variation of the risk of acute myeloid leukemia, chronic lymphocytic leukemia, and other leukemia in Nordic countries.......We studied occupational variation of the risk of acute myeloid leukemia, chronic lymphocytic leukemia, and other leukemia in Nordic countries....

  2. 76 FR 4258 - Occupational Radiation Protection; Revision

    Science.gov (United States)

    2011-01-25

    ... Part 835 RIN 1901-AA-95 Occupational Radiation Protection; Revision AGENCY: Department of Energy...) proposes to revise the values in an appendix to its Occupational Radiation Protection requirements. The... are given in appendix C. DOE first published, a final rule on December 14, 1993, (58 FR...

  3. Occupational Safety and Health Curriculum Manual.

    Science.gov (United States)

    Gourley, Frank A., Jr., Comp.

    With the enactment of the Occupational Safety and Health Act of 1970, the need for manpower development in the field of industrial safety and hygiene has resulted in the development of a broad based program in Occupational Safety and Health. The manual provides information to administrators and instructors on a program of study in this field for…

  4. A Reminiscence of the Alcatraz Occupation.

    Science.gov (United States)

    Castillo, Edward D.

    1994-01-01

    An American Indian faculty member at the University of California, Los Angeles, during the occupation of Alcatraz Island describes his college years without Native peers or professors, his own and his students' involvement in the occupation, details of the landing on the island, role of the media, and his struggles with the personal costs and…

  5. Occupational and leisure time physical activity

    DEFF Research Database (Denmark)

    Holtermann, Andreas; Marott, Jacob Louis; Gyntelberg, Finn;

    2012-01-01

    Men with low physical fitness and high occupational physical activity are recently shown to have an increased risk of cardiovascular disease and all-cause mortality. The association between occupational physical activity with cardiovascular disease and all-cause mortality may also depend on leisure...... time physical activity....

  6. Illinois Occupational Skill Standards: Housekeeping Management Cluster.

    Science.gov (United States)

    Illinois Occupational Skill Standards and Credentialing Council, Carbondale.

    This document contains 44 occupational skill standards for the housekeeping management occupational cluster, as required for the state of Illinois. Skill standards, which were developed by committees that included educators and representatives from business, industry, and labor, are intended to promote education and training investment and ensure…

  7. Measuring occupations in worldwide web-surveys

    NARCIS (Netherlands)

    K. Tijdens

    2009-01-01

    This paper summarizes the design principles underlying the WISCO Database of Occupations for the measurement of occupations in multi-country web-surveys by means of self-identification. It is discussed why the Database has been designed, and its source list, search tree and translations. The Databas

  8. Occupational Health Problem Network : the Exposome

    OpenAIRE

    Faisandier, Laurie; De Gaudemaris, Régis; Bicout, Dominique J

    2008-01-01

    We present a thinking on the concept of relational networks applied to the french national occupational disease surveillance and prevention network (R\\'eseau National de Vigilance et de Pr\\'evention des Pathologies Professionnelles, RNV3P). This approach consists in searching common exposures to occupational health problems.

  9. An Analysis of the Payroll Clerking Occupation.

    Science.gov (United States)

    Peal, Sharyn; Rose, Virginia

    The general purpose of the occupational analysis is to provide workable, basic information dealing with the many and varied duties performed in the payroll clerk occupation. The document opens with a brief introduction followed by a job description. The bulk of the document is presented in table form. Ten duties are broken down into a number of…

  10. The occupational health of Santa Claus

    OpenAIRE

    Straube, Sebastian; Fan, Xiangning

    2015-01-01

    Previous publications in the field of Santa studies have not focused on health and safety issues arising from Santa’s workplace activities. However, it should be acknowledged that unique occupational hazards exist for Santa Claus. Major occupational health issues affecting Santa are discussed, along with suggestions for future research directions.

  11. The thermal conductivity of beds of spheres

    Energy Technology Data Exchange (ETDEWEB)

    McElroy, D.L.; Weaver, F.J.; Shapiro, M.; Longest, A.W.; Yarbrough, D.W.

    1987-01-01

    The thermal conductivities (k) of beds of solid and hollow microspheres were measured using two radial heat flow techniques. One technique provided k-data at 300 K for beds with the void spaces between particles filled with argon, nitrogen, or helium from 5 kPa to 30 MPa. The other technique provided k-data with air at atmospheric pressure from 300 to 1000 K. The 300 K technique was used to study bed systems with high k-values that can be varied by changing the gas type and gas pressure. Such systems can be used to control the operating temperature of an irradiation capsule. The systems studied included beds of 500 ..mu..m dia solid Al/sub 2/O/sub 3/, the same Al/sub 2/O/sub 3/ spheres mixed with spheres of silica--alumina or with SiC shards, carbon spheres, and nickel spheres. Both techniques were used to determine the k-value of beds of hollow spheres with solid shells of Al/sub 2/O/sub 3/, Al/sub 2/O/sub 3//center dot/7 w/o Cr/sub 2/O/sub 3/, and partially stabilized ZrO/sub 2/. The hollow microspheres had diameters from 2100 to 3500 ..mu..m and wall thicknesses from 80 to 160 ..mu..m. 12 refs., 7 figs., 4 tabs.

  12. Occupationally Acquired American Cutaneous Leishmaniasis

    Directory of Open Access Journals (Sweden)

    Maria Edileuza Felinto de Brito

    2012-01-01

    Full Text Available We report two occupationally acquired cases of American cutaneous leishmaniasis (ACL: one accidental laboratory autoinoculation by contaminated needlestick while handling an ACL lesion sample, and one acquired during field studies on bird biology. Polymerase chain reaction (PCR assays of patient lesions were positive for Leishmania, subgenus Viannia. One isolate was obtained by culture (from patient 2 biopsy samples and characterized as Leishmania (Viannia naiffi through an indirect immunofluorescence assay (IFA with species-specific monoclonal antibodies (mAbs and by multilocus enzyme electrophoresis (MLEE. Patients were successfully treated with N-methyl-glucamine. These two cases highlight the potential risks of laboratory and field work and the need to comply with strict biosafety procedures in daily routines. The swab collection method, coupled with PCR detection, has greatly improved ACL laboratory diagnosis.

  13. The cost of occupational dose

    International Nuclear Information System (INIS)

    Two methods of cost benefit analysis for use in occupational doses are described. The first assumes that the cost of health detriment is simply proportional to the collective dose equivalent. The second evaluates risk changes which explicitly consider the size of population at risk and the significance of the risk increment to individuals; thus the cost of detriment per collective dose equivalent increases with increasing dose per caput. The results from the two methods are different and optimisation depends crucially on the specific relationships between all the variables. A fixed conversion factor will ignore individual dose levels, and in attempting to reduce both protection and detriment costs will tend to increase average individual doses. A variable conversion factor which increases with increasing average individual doses will, in contrast, explicitly account for the distribution of individual doses in the assessment of detriment costs, will discriminate against high individual doses, and will tend to select options on a more case by case basis. (UK)

  14. Automating occupational protection records systems

    International Nuclear Information System (INIS)

    Occupational protection records have traditionally been generated by field and laboratory personnel, assembled into files in the safety office, and eventually stored in a warehouse or other facility. Until recently, these records have been primarily paper copies, often handwritten. Sometimes, the paper is microfilmed for storage. However, electronic records are beginning to replace these traditional methods. The purpose of this paper is to provide guidance for making the transition to automated record keeping and retrieval using modern computer equipment. This paper describes the types of records most readily converted to electronic record keeping and a methodology for implementing an automated record system. The process of conversion is based on a requirements analysis to assess program needs and a high level of user involvement during the development. The importance of indexing the hard copy records for easy retrieval is also discussed. The concept of linkage between related records and its importance relative to reporting, research, and litigation will be addressed. 2 figs

  15. Occupational exposure management at nuclear power plants

    International Nuclear Information System (INIS)

    The Information System on Occupational Exposure (ISOE), a joint initiative of the OECD Nuclear Energy Agency (NEA) and the International Atomic Energy Agency (IAEA), has become a unique worldwide programme on the protection of workers in nuclear power plants, including a network for the exchange of experience in the area of occupational exposure management, and the world's largest database on occupational exposure from nuclear power plants. Each year, an international workshop or symposium offers a forum for radiation protection professionals from the nuclear industry, operating organisations and regulatory authorities to exchange information on practical experience with occupational radiation exposure issues in nuclear power plants. These proceedings include the presentations made at the Third ISOE European Workshop on Occupational Exposure Management at Nuclear Power Plants, held in April 2002 in Portoroz, Slovenia. (author)

  16. he occupational therapist as a political being

    Directory of Open Access Journals (Sweden)

    Nick Pollard

    2014-12-01

    Full Text Available In this article we argue for the development of an understanding of human occupation as being inherently political. Occupational therapy is broadly about the experience of ‘doing’ as the basis of social participation. This requires access to the means of participation: space, facilities and resources for different forms of human action, and occupational therapists need to develop an understanding of how access to these means is regulated. In this article we develop an argument for the development of a political occupational therapy. We do this by outlining the role of occupational therapists as activists as well as reflectors drawing on comparisons with cultural practice in community publishing; by discussing the development of a language that will enable the recognition and exploration of power differentials, and by delineating the importance of experiential knowledge.

  17. [The diagnosis of diseases due to occupation].

    Science.gov (United States)

    Romano, C; Giachino, G M; Pira, E

    2010-01-01

    Occupational diseases are essentially defined by aetiological characteristics, and not by nosological characteristics, because the latter in most cases are not specific. This is particularly so for "work-related" diseases but still stays true for most "occupational" diseases. This implies that the diagnostic path for occupational diseases must include one additional step as compared to the standard procedure typical of non occupational medicine. The last is satisfactory after a suitable history and clinical-instrumental phase and thus a nosological definition are completed. The former includes an additional mandatory third phase, the one defining a reliable causal relationship taking into account a reasonable relationship between, on one side, the qualitative, quantitative and temporal aspects of the specific risk, and, on the other side, the observed "effect". These items must be systematically looked for (unless they are practically unobtainable) if a correct diagnosis of an occupational disease has to be reached. PMID:21438312

  18. Occupant behaviour and robustness of building design

    DEFF Research Database (Denmark)

    Buso, Tiziana; Fabi, Valentina; Andersen, Rune Korsholm; Corgnati, Stefano P.

    2015-01-01

    Occupant behaviour can cause major discrepancies between the designed and the real total energy use in buildings. A possible solution to reduce the differences between predictions and actual performances is designing robust buildings, i.e. buildings whose performances show little variations with...... alternating occupant behaviour patterns. The aim of this work was to investigate how alternating occupant behaviour patterns impact the performance of different envelope design solutions in terms of building robustness. Probabilistic models of occupants' window opening and use of shading were implemented in a...... dynamic building energy simulation tool (IDA ICE). The analysis was carried out by simulating 15 building envelope designs in different thermal zones of an Office Reference Building in 3 climates: Stockholm, Frankfurt and Athens.In general, robustness towards changes in occupants' behaviour increased with...

  19. Occupancy change detection system and method

    Science.gov (United States)

    Bruemmer, David J. [Idaho Falls, ID; Few, Douglas A. [Idaho Falls, ID

    2009-09-01

    A robot platform includes perceptors, locomotors, and a system controller. The system controller executes instructions for producing an occupancy grid map of an environment around the robot, scanning the environment to generate a current obstacle map relative to a current robot position, and converting the current obstacle map to a current occupancy grid map. The instructions also include processing each grid cell in the occupancy grid map. Within the processing of each grid cell, the instructions include comparing each grid cell in the occupancy grid map to a corresponding grid cell in the current occupancy grid map. For grid cells with a difference, the instructions include defining a change vector for each changed grid cell, wherein the change vector includes a direction from the robot to the changed grid cell and a range from the robot to the changed grid cell.

  20. Comfort control for short-term occupancy

    Energy Technology Data Exchange (ETDEWEB)

    Fountain, M. (Center for Environmental Design Research, California Univ., Berkeley, CA (United States)); Brager, G. (Center for Environmental Design Research, California Univ., Berkeley, CA (United States)); Arens, E. (Center for Environmental Design Research, California Univ., Berkeley, CA (United States)); Bauman, F. (Center for Environmental Design Research, California Univ., Berkeley, CA (United States)); Benton, C. (Center for Environmental Design Research, California Univ., Berkeley, CA (United States))

    1994-01-01

    This paper describes the logic of a microprocessor-controlled thermostat termed 'comfortstat' to address the needs of temporary room occupants such as hotel guests while reducing energy consumption. The 'comfortstat' integrates an infrared occupancy sensor, door switch, radiant temperature sensor, and control logic to optimize room conditions while 'learning' about the occupant's preferred comfort zone. This paper focuses on how the joint requirements of the guests and the hotel management guided the design of the 'comfortstat' for increased occupant satisfaction and lower energy use in the hotel. The concepts are completely generic and could be applied to the design of comfort systems for other types of short-term occupancy. We present control logic flowcharts and typical examples of the action of the hotel 'comfortstat' in response to data received from the physical environment and/or human input. (orig./GL)

  1. Occupational lifting and pelvic pain during pregnancy

    DEFF Research Database (Denmark)

    Larsen, Pernille Stemann; Strandberg-Larsen, Katrine; Juhl, Mette;

    2013-01-01

    OBJECTIVES: Pelvic pain during pregnancy is a common ailment, and the disease is a major cause of sickness absence during pregnancy. It is plausible that occupational lifting may be a risk factor of pelvic pain during pregnancy, but no previous studies have examined this specific exposure. The aim...... of this study was to examine the association between occupational lifting and pelvic pain during pregnancy. METHODS: The study comprised 50 143 pregnant women, enrolled in the Danish National Birth Cohort in the period from 1996-2002. During pregnancy, the women provided information on occupational...... lifting (weight load and daily frequency), and six months post partum on pelvic pain. Adjusted odds ratios for pelvic pain during pregnancy according to occupational lifting were calculated by logistic regression. RESULTS: Any self-reported occupational lifting (>1 time/day and loads weighing >10 kg) was...

  2. Evolution, appearance, and occupational success.

    Science.gov (United States)

    Little, Anthony C; Roberts, Craig S

    2012-01-01

    Visual characteristics, including facial appearance, are thought to play an important role in a variety of judgments and decisions that have real occupational outcomes in many settings. Indeed, there is growing evidence suggesting that appearance influences hiring decisions and even election results. For example, attractive individuals are more likely to be hired, taller men earn more, and the facial appearance of candidates has been linked to real election outcomes. In this article, we review evidence linking physical appearance to occupational success and evaluate the hypothesis that appearance based biases are consistent with predictions based on evolutionary theories of coalition formation and leadership choice. We discuss why appearance based effects are so pervasive, addressing ideas about a "kernel of truth" in attributions and about coalitional psychology. We additionally highlight that appearance may be differently related to success at work according to the types of job or task involved. For example, leaders may be chosen because the characteristics they possess are seen as best suited to lead in particular situations. During a time of war, a dominant-appearing leader may inspire confidence and intimidate enemies while during peace-time, when negotiation and diplomacy are needed, interpersonal skills may outweigh the value of a dominant leader. In line with these ideas, masculine-faced leaders are favored in war-time scenarios while feminine-faced leaders are favored in peace-time scenarios. We suggest that such environment or task specific competencies may be prevalent during selection processes, whereby individuals whose appearance best matches perceived task competences are most likely selected, and propose the general term "task-congruent selection" to describe these effects. Overall, our review highlights how potentially adaptive biases could influence choices in the work place. With respect to certain biases, understanding their origin and current

  3. Occupational exposure in interventional radiology

    International Nuclear Information System (INIS)

    This study was conducted to survey of radiation safety control and to measure occupational radiation exposure dose of staff in interventional radiology in Korea. Interventioanl radiology requires the operator and assisting personnel to remain close to the patient, and thus close to primary beams of radiation. Therefore exposure doses of these personnel are significant from a radiological protection point of view. We surveyed the status of radiation safety on interventional radiology of 72 hospitals. The result were that 119 radiation equipments are using in interventional radiology and 744 staffs are composed of 307 radiologists, 116 residents of radiology, 5 general physicians, 171 radiologic technologists and 145 nurses. 81.4% and 20.2 % of operating physicians are using neck collar protector and goggle respectively. The average radiation dose was measured 0.46±0.15 mSv/10 hours fluoroscopy inside examination room in radiation protection facilities. Occupational radiation exposure data on the staff were assessed in interventional radiology procedures from 8 interventional radiology equipments of 6 university hospitals. The dose measurements were made by placing a thermoluminesent dosimeter(TLD) on various body surface of operation and assistant staff during actual interventional radiology. The measured points were the corner of the eyes, neck(on the thyroid) , wrists, chest(outside and inside of the protector), and back. Average radiation equivalent dose of the corner of left eye and left wrist of operating physicians were 1.19 mSv(0.11∼4.13 mSv)/100 minutes fluoroscopy and 4.32 mSv(0.16∼11.0 mSv)/100 minutes fluoroscopy respectively. Average exposure dose may vary depending on the type of procedure, personal skills and the quality of equipment. These results will be contributed to prepare the guide line in interventional radiology in Korea

  4. [Ethics and occupational physicians: ethics and mission required for occupational physicians].

    Science.gov (United States)

    Fujino, Akihiro

    2013-10-01

    The ethics of occupational physicians are considered from the following three viewpoints: (1) their legal standing and ethics in job execution; (2) ethics in research in occupational medicine; and (3) ethics in the 21st century and fundamental issues. We discuss: in (1), the contract types of occupational physicians and their independency and neutrality, the protection of health information and privacy, and the use of authority and the security measures; in (2), ethical standards of medical research in Japanese and international organizations, the significance and role of ethics committees, and issues characteristic of occupational health research; and in (3), occupational physicians and politic ethics, the practical abilities and ethics necessary for occupational physicians, and the practice and philosophy of occupational medicine as an art. These considerations suggest that occupational physicians, who have a special status based on the governmental policy of the occupational physician system, should develop an ethical consciousness at the core of their duties and perform their mission with responsibility to employees and employers, all of whom are Japanese citizens. Finally, we propose that the ultimate mission of occupational physicians is "to practice occupational medicine as a branch of the humanities." PMID:24107330

  5. 75 FR 44967 - National Institute for Occupational Safety and Health

    Science.gov (United States)

    2010-07-30

    ... HUMAN SERVICES National Institute for Occupational Safety and Health Designation of a Class of Employees..., Division of Compensation Analysis and Support, National Institute for Occupational Safety and Health (NIOSH... Occupational Safety and Health. BILLING CODE 4163-19-P...

  6. Liquid fluidization of particles in packed beds

    Energy Technology Data Exchange (ETDEWEB)

    Glasserman, P. (Dept. de Industrias, Universidad de Buenos Aires (Argentina)); Videla, D. (Dept. de Industrias, Universidad de Buenos Aires (Argentina)); Boehm, U. (Dept. de Industrias, Universidad de Buenos Aires (Argentina))

    1994-06-01

    The expansion behavior of solid particles fluidized by liquid within fixed packings was studied by the conductimetric method. The electrodes conforming the conductivity cell were embedded in the container walls with their center at half the height of the fluidized bed. The axial solids distribution was also measured by this technique by placing ten conductivity cells along the column. The study is limited to intermediate and turbulent flow regimes, due to the density and size of the particles used. Depending on the geometry of the packed bed, the operating range in terms of superficial velocity and the homogeneity of the fluidized bed differ from those obtained for fluidization in an empty column. Taking into account geometric aspects of the systems, a method of estimating the fluidization parameters is derived. (orig.)

  7. FBR and RBR particle bed space reactors

    International Nuclear Information System (INIS)

    Compact, high-performance nuclear reactor designs based on High-Temperature Gas Reactors (HTGRs) particulate fuel are investigated. The large surface area available with the small-diameter (approx. 500 microns) particulate fuel allows very high power densities (MW's/liter), small temperature differences between fuel and coolant (approx. 100K), high coolant-outlet temperatures (1500 to 30000K, depending on design), and fast reactor startup (approx. 2 to 3 seconds). Two reactor concepts are developed - the Fixed Bed Reactor (FBR), where the fuel particles are packed into a thin annular bed between two porous cylindrical drums, and the Rotating Bed Reactor (RBR), where the fuel particles are held inside a cold rotating (typically approx. 500 rpm) porous cylindrical drum. The FBR can operate steady-state in the closed-cycle He-cooled mode or in the open-cycle H2-cooled mode. The RBR will operate only in the open-cycle H2-cooled mode

  8. Rock bed heat accumulators. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Riaz, M.

    1977-12-01

    The principal objectives of the research program on rock bed heat accumulators (or RBHA) are: (1) to investigate the technical and economic feasibility of storing large amounts of thermal energy (in the tens of MWt range) at high temperature (up to 500/sup 0/C) over extended periods of time (up to 6 months) using native earth or rock materials; (2) to conduct studies to establish the performance characteristics of large rock bed heat accumulators at various power and temperature levels compatible with thermal conversion systems; and (3) to assess the materials and environmental problems associated with the operation of such large heat accumulators. Results of the study indicate that rock bed heat accumulators for seasonal storage are both technically and economically feasible, and hence could be exploited in various applications in which storage plays an essential role such as solar power and total energy systems, district and cogeneration heating systems.

  9. Fixed bed suspended core nuclear reactor concept

    International Nuclear Information System (INIS)

    The fixed bed nuclear reactor (FBNR) is essentially a pressurized light water reactor having spherical fuel elements constituting a suspended reactor core at its lowest bed porosity. The principle features of the proposed reactor are that the concept is polyvalent, simple in design, may operate either as fixed or fluidized bed, have the core suspended contributing to inherent safety, passive cooling features of the reactor. The reactor is modular and has an integrated primary system utilizing either water, supercritical steam or helium gas as its coolant. Some of the advantages of the proposed reactor are being modular, low environmental impact, exclusion of severe accidents, short construction period, flexible adaptation to demand, excellent load following characteristics, and competitive economics. (orig.)

  10. Occupational change and mobility among employed and unemployed job seekers

    OpenAIRE

    Longhi, Simonetta; Taylor, Mark

    2011-01-01

    We use data from the Labour Force Survey to show that employed and unemployed job seekers in Great Britain originate from different occupations and find jobs in different occupations. We find substantial differences in occupational mobility between job seekers: employed job seekers are most likely to move to occupations paying higher average wages relative to their previous occupation, while unemployed job seekers are most likely to move to lower paying occupations. Employed and unemployed jo...

  11. Improvement to deep graphite bed filters

    International Nuclear Information System (INIS)

    This invention relates to an improvement to deep graphite bed filters. It has a use in the filtration of the water of nuclear reactor systems. These filters are composed of a vessel filled with granulated graphite and fitted with an intake tube for the liquid to be filtered located at the top of the vessel, and an outlet tube located at the bottom. Ancillary pipes are used for the regeneration of the filter by removal of the clogged-up graphite fill and its replacement by a fresh bed. The graphite bed rests on wire gauze which in turn rests on a perforated plate, so fitted that it is able to withstand the graphite fill and the thrust of the liquid. The graphite in such a filter, when it is used to filter the water of the primary system of a nuclear reactor, is of high chemical purity and the granules are between 0.28 mm and 3.3 mm in dimension, with a minimum 80% with dimensions between 0.8 and 3.3 mm. The resistance of the graphite to wearing down is very good. The capacity coefficient in the graphite bed is around 55 to 60%. This invention produces a filter than can be used with a high throughput of liquid to be filtered, for instance more than 4m3/hdm2 and to a high temperature in the order of 2500C. At the upper part of the filter, there is a liquid distribution device made up of an assembly of coaxial truncated walls flared at the bottom. The graphite bed also has the shape of a truncated cone, to make it easy to loosen the settlement again and to facilitate the emptying; the perforated plate bearing the graphite bed is given an inclined setting towards the nozzle of an extraction valve

  12. Exercise countermeasures for bed-rest deconditioning

    Science.gov (United States)

    Greenleaf, John (Editor)

    1993-01-01

    The purpose for this 30-day bed rest study was to investigate the effects of short-term, high intensity isotonic and isokinetic exercise training on maintenance of working capacity (peak oxygen uptake), muscular strength and endurance, and on orthostatic tolerance, posture and gait. Other data were collected on muscle atrophy, bone mineralization and density, endocrine analyses concerning vasoactivity and fluid-electrolyte balance, muscle intermediary metabolism, and on performance and mood of the subjects. It was concluded that: The subjects maintained a relatively stable mood, high morale, and high esprit de corps throughout the study. Performance improved in nearly all tests in almost all the subjects. Isotonic training, as opposed to isokinetic exercise training, was associated more with decreasing levels of psychological tension, concentration, and motivation; and improvement in the quality of sleep. Working capacity (peak oxygen uptake) was maintained during bed rest with isotonic exercise training; it was not maintained with isokinetic or no exercise training. In general, there was no significant decrease in strength or endurance of arm or leg muscles during bed rest, in spite of some reduction in muscle size (atrophy) of some leg muscles. There was no effect of isotonic exercise training on orthostasis, since tilt-table tolerance was reduced similarly in all three groups following bed rest. Bed rest resulted in significant decreases of postural stability and self-selected step length, stride length, and walking velocity, which were not influenced by either exercise training regimen. Most pre-bed rest responses were restored by the fourth day of recovery.

  13. Ash management in circulating fluidized bed combustors

    Energy Technology Data Exchange (ETDEWEB)

    K. Redemann; E.-U. Hartge; J. Werther [Hamburg University of Technology, Hamburg (Germany). Institute of Solids Process Engineering and Particle Technology

    2008-12-15

    Ash management in fluidized bed combustion systems means keeping the particle size distribution of the bed inventory in a given range. A dynamic particle population balancing model was developed for this purpose. It was successfully applied to a refuse-derived fuel fired combustor and a coal-fired circulating fluidized bed combustor. Both were large-scale commercial units. The model uses the concept of the attrited ash particle size distribution which represents the particle size distribution of the attrited ash including the generated fines and replaces the consideration of the particle attrition in the model calculations. The model offers the possibility to gain additional information about the particle size distributions and the solids mass flows at any location of the fluidized bed system. In addition, the model provides information about the dynamic behavior of the plant and about mean residence times of particle size classes in the plant. Uncertainties about the ash formation characteristics of fuels make the management of the bed inventory a very important issue. In this context the population balancing model is used to predict the plant behavior under various operating conditions. The results of the calculations carried out give useful information about the possibilities to manage the ash inventory of such a plant. It could be shown that the recirculation of a fine fraction of the bottom drain solids is a very effective method to manage the particle size distribution of the bed inventory. The calculation results further reveal that the mean residence time of particles is strongly dependent on their size. 21 refs., 19 figs., 4 tabs.

  14. Thermal regeneration in fix-bed reactors

    International Nuclear Information System (INIS)

    The thermal behaviour of a catalytic reactor with regeneration, from a simplified model is studied. Plug-flow is postulated to the reactor and a two-phase model for simulating heat transfer between the bed and the gas is used, disregarding the conduction terms. The computational results for an exothermal catalytic reaction are presented. The effect of the duration of the period and the inlet temperature of the gas in the bed temperature profiles is studied, as well as the evolution since the functioning until the steady state. (E.G.)

  15. ACS air bearing test-bed design

    OpenAIRE

    Glitt, Sascha

    2010-01-01

    This thesis is about the construction and design of a new air bearing test-bed to verify the programmed ACS attitude control algorithm and to validate the ACS MATLAB/SimuLink¬ model of NPSAT1, the second small satellite currently under development at the Naval Postgraduate School Space Systems Academic Group. The software was already verified and validated using a comparable air bearing test-bed. But due to changes in hardware from commercial magnetic torque rods to custom, NPS-built, magneti...

  16. Numerical simulation of nuclear pebble bed configurations

    Energy Technology Data Exchange (ETDEWEB)

    Shams, A., E-mail: shams@nrg.eu [Nuclear Research and Consultancy Group (NRG), Petten (Netherlands); Roelofs, F., E-mail: roelofs@nrg.eu [Nuclear Research and Consultancy Group (NRG), Petten (Netherlands); Komen, E.M.J., E-mail: komen@nrg.eu [Nuclear Research and Consultancy Group (NRG), Petten (Netherlands); Baglietto, E., E-mail: emiliob@MIT.EDU [Massachusetts Institute of Technology (MIT) (United States)

    2015-08-15

    Highlights: • Numerical simulations of a single face cubic centred pebble bed are performed. • Wide range of turbulence modelling techniques are used to perform these calculations. • The methods include 1-DNS, 1-LES, 3-Hybrid (RANS/LES) and 3-RANS models, respectively. • The obtained results are extensively compared to provide guidelines for such flow regimes. • These guidelines are used to perform reference LES for a limited sized random pebble bed. - Abstract: High Temperature Reactors (HTRs) are being considered all over the world. An HTR uses helium gas as a coolant, while the moderator function is taken up by graphite. The fuel is embedded in the graphite moderator. A particular inherent safety advantage of HTR designs is that the graphite can withstand very high temperatures, that the fuel inside will stay inside the graphite pebble and cannot escape to the surroundings even in the event of loss of cooling. Generally, the core can be designed using a graphite pebble bed. Some experimental and demonstration reactors have been operated using a pebble bed design. The test reactors have shown safe and efficient operation, however questions have been raised about possible occurrence of local hot spots in the pebble bed which may affect the pebble integrity. Analysis of the fuel integrity requires detailed evaluation of local heat transport phenomena in a pebble bed, and since such phenomena cannot easily be modelled experimentally, numerical simulations are a useful tool. As a part of a European project, named Thermal Hydraulics of Innovative Nuclear Systems (THINS), a benchmarking quasi-direct numerical simulation (q-DNS) of a well-defined pebble bed configuration has been performed. This q-DNS will serve as a reference database in order to evaluate the prediction capabilities of different turbulence modelling approaches. A wide range of numerical simulations based on different available turbulence modelling approaches are performed and compared with

  17. Numerical simulation of nuclear pebble bed configurations

    International Nuclear Information System (INIS)

    Highlights: • Numerical simulations of a single face cubic centred pebble bed are performed. • Wide range of turbulence modelling techniques are used to perform these calculations. • The methods include 1-DNS, 1-LES, 3-Hybrid (RANS/LES) and 3-RANS models, respectively. • The obtained results are extensively compared to provide guidelines for such flow regimes. • These guidelines are used to perform reference LES for a limited sized random pebble bed. - Abstract: High Temperature Reactors (HTRs) are being considered all over the world. An HTR uses helium gas as a coolant, while the moderator function is taken up by graphite. The fuel is embedded in the graphite moderator. A particular inherent safety advantage of HTR designs is that the graphite can withstand very high temperatures, that the fuel inside will stay inside the graphite pebble and cannot escape to the surroundings even in the event of loss of cooling. Generally, the core can be designed using a graphite pebble bed. Some experimental and demonstration reactors have been operated using a pebble bed design. The test reactors have shown safe and efficient operation, however questions have been raised about possible occurrence of local hot spots in the pebble bed which may affect the pebble integrity. Analysis of the fuel integrity requires detailed evaluation of local heat transport phenomena in a pebble bed, and since such phenomena cannot easily be modelled experimentally, numerical simulations are a useful tool. As a part of a European project, named Thermal Hydraulics of Innovative Nuclear Systems (THINS), a benchmarking quasi-direct numerical simulation (q-DNS) of a well-defined pebble bed configuration has been performed. This q-DNS will serve as a reference database in order to evaluate the prediction capabilities of different turbulence modelling approaches. A wide range of numerical simulations based on different available turbulence modelling approaches are performed and compared with

  18. Novel Simulated moving bed technologies

    Energy Technology Data Exchange (ETDEWEB)

    Purdue University

    2003-12-30

    Cellulose and hemicellulose from plants and other biomass can be hydrolyzed to produce sugars (i.e. glucose and xylose). Once these sugars are separated from other impurities, they can serve as feedstock in fermentation to produce ethanol (as fuels), lactic acid, or other valuable chemicals. The need for producing fuels and chemicals from renewable biomass has become abundantly clear over the last decade. However, the cost of producing fermentable sugars from biomass hydrolyzate using existing technology is relatively high and has been a major obstacle. The objective of this project is to develop an efficient and economical simulated moving bed (SMB) process to recover fermentable sugars from biomass hydrolyzate. Sulfuric acid can hydrolyze the cellulose and hemicellulose in biomass to sugars, but this process can generate byproducts such as acetic acid, and can lead to further degradation of the xylose to furfural and glucose to hydroxymethyl furfural (HMF). Also, lignin and other compounds in the biomass will degrade to various phenolic compounds. If the concentrations of these compounds exceed certain threshold levels, they will be toxic to the downstream fermentation, and will severely limit the usefulness of the derived sugars. Standard post-hydrolysis processing involves neutralization of sulfuric acid, usually with lime (calcium hydroxide). A study by Wooley et al.showed that the limed hydrolyzate gave a low ethanol yield in fermentation test (20% of theoretical yield compared to 77% of theoretical yield from fermentation of pure sugars). They showed that instead of adding lime, an ion exclusion chromatography process could be used to remove acids, as well as to isolate the sugars from the biomass hydrolyzate. In this project, we investigated the feasibility of developing an economical SMB process based on (1) a polymeric adsorbent, Dowex99, which was used by Wooley et al., (2) a second polymeric adsorbent, poly-4-vinyl pyridine (or PVP in short, Reilly

  19. Loading and Unloading Weaned Pigs: Effects of Bedding Types, Ramp Angle, and Bedding Moisture

    Directory of Open Access Journals (Sweden)

    Arlene Garcia

    2014-12-01

    Full Text Available The use of non-slip surfaces during loading and unloading of weaned pigs plays an important role in animal welfare and economics of the pork industry. Currently, the guidelines available only suggest the use of ramps below 20° to load and unload pigs. Three ramp angles (0°, 10° or 20°, five bedding materials (nothing, sand, feed, wood shavings or wheat straw hay, two moistures (dry or wet bedding; >50% moisture over two seasons (>23.9 °C summer, <23.9 °C winter were assessed for slips/falls/vocalizations (n = 6,000 pig observations. “Score” was calculated by the sum of slips, falls, and vocalizations. With the exception of using feed as a bedding, all beddings provided some protection against elevated slips, falls, and vocalizations (P < 0.01. Providing bedding reduced (P < 0.05 scores regardless of whether the bedding was dry or wet. Scores increased as the slope increased (P < 0.01. Provision of bedding, other than feed, at slopes greater than zero, decreased slips, falls and vocalizations. The total time it took to load and unload pigs was

  20. From Modern Push-Button Hospital-beds to 20th Century Mechatronic Beds: A Review

    Science.gov (United States)

    Ghersi, I.; Mariño, M.; Miralles, M. T.

    2016-04-01

    The aim of this work is to present the different aspects of modern high complexity electric beds of the period 1940 until 2000 exclusively. The chronology of the product has been strictly divided into three big stages: electric and semi-electric beds (until the 90’s), mechatronic beds (90’s until 2000) and, mechatronic intelligent beds of the last 15 years. The latter are not considered in this work due to the extension for its analysis. The justification for classifying the product is presented under the concepts of medical, assistive and mobility devices. Relevant aspects of common immobility problems of the different types of patients for which the beds are mainly addressed are shown in detail. The basic functioning of the patient’s movement generator and the implementation of actuators, together with IT programs, specific accessories and connectivity means and network-communication shown in this work, were those that gave origin to current mechatronic beds. We present the historical evolution of high complexity electric beds by illustrating cases extracted from a meticulous time line, based on patents, inventions and publications in newspapers and magazines of the world. The criteria adopted to evaluate the innovation were: characteristics of controls; accessories (mattresses, lighting, siderails, etc.), aesthetic and morphologic properties and outstanding functionalities.

  1. Effect of bed particles to combustion of gases in fluidized bed

    Energy Technology Data Exchange (ETDEWEB)

    Raiko, R.; Wallen, V.; Etelaeaho, R.; Correia, S. [Tampere Univ. of Technology (Finland). Energy and Process Engineering

    1997-10-01

    The objective of this project was to obtain experimental data on effects of sand particles to the combustion of gases. The effect of the surface area of the particles was tested using different sized particles. The fluidized bed reactor used in these experiments was a stainless-steel tube with an internal diameter of 42 mm surrounded by an electric heater. The test rig was built in the Laboratory of Energy and Process Engineering at Tampere University of Technology. In order to elucidate the possible changes of particle surface, microscopic and porosimetric studies were conducted with both fresh bed particles and used bed particles. These measurements indicate that carbon monoxide significantly reacts with oxygen in the particulate or emulsion phase of a fluidized bed, if the residence time is long enough. The reaction rate depends mainly on temperature, air coefficient, residence time and particle size of the solids. It seems that the combustion enhances if the average particle size increases. Whether this is caused by increased free path length or reduced specific surface area of the bed is yet unknown. The first might be more probable cause because the majority of reactions often took place in the freeboard right above the bed. It was clear that the bed hindered proper combustion in several cases. (orig.)

  2. Experimental studies on the coolability of packed beds. Flooding of hot dry packed beds

    International Nuclear Information System (INIS)

    In case of a severe accident in a nuclear power plant meltdown of the reactor core can occur and form a packed bed in the lower plenum of the reactor pressure vessel (RPV) after solidification due to contact with water. The removal of after-heat and the long-term coolability is of essential interest. The efficient injection of cooling water into the packed bed has to be assured without endangering the structural integrity of the reactor pressure vessel. The experiments performed aimed to study the dry-out and the quenching (flooding) of hot dry packed beds. Two different inflow variants, bottom- and top-flooding including the variation of the starting temperature of the packed bed and the injection rate were studied. In case of bottom flooding the quenching time increases with increasing packed bed temperature and decreasing injection rate. In case of top flooding the flow pattern is more complex, in a first phase the water flows preferentially toward the RPV wall, the flow paths conduct the water downwards. The flow resistance of the packed bed increases with increasing bed temperatures. The quenching temperatures increase significantly above average.

  3. Effects of bed-load movement on flow resistance over bed forms

    Indian Academy of Sciences (India)

    Mohammad Hossein Omid; Masoud Karbasi; Javad Farhoudi

    2010-12-01

    The effect of bed-load transport on flow resistance of alluvial channels with undulated bed was experimentally investigated. The experiments were carried out in a tilting flume 250 mm wide and 12·5 m long with glass-sides of rectangular cross-section and artificial dune shaped floor that was made from Plexi-glass. Steady flow of clear as against sediment-laden water with different flow depths and velocities were studied in the experiments with a fine sand ($d_{50} =$ 0·5 mm). The results indicate that the transport of fine particles ($d_{50} =$ 0·5 mm) can decrease the friction factor by 22% and 24% respectively for smooth and rough beds. Increasing the bed-load size ($d_{50} =$ 2·84 mm) can decrease the friction factor by 32% and 39% respectively for smooth and rough beds. The decrease in flow resistance is due to filling up of the troughs of dunes. This separation zone is responsible for increasing the flow resistance. On the upstream side of dunes condition is similar to plane bed. Presence of bed-load causes to increase the shear velocity and hence increasing flow resistance. But decreasing in flow resistance is more and it causes to decrease the total flow resistance. Grains saturated the troughs in the bed topography, effectively helping in smoothening of bed irregularities.

  4. Internal dust recirculation system for a fluidized bed heat exchanger

    Science.gov (United States)

    Gamble, Robert L.; Garcia-Mallol, Juan A.

    1981-01-01

    A fluidized bed heat exchanger in which air is passed through a bed of particulate material containing fuel disposed in a housing. A steam/water natural circulation system is provided in a heat exchange relation to the bed and includes a steam drum disposed adjacent the bed and a tube bank extending between the steam drum and a water drum. The tube bank is located in the path of the effluent gases exiting from the bed and a baffle system is provided to separate the solid particulate matter from the effluent gases. The particulate matter is collected and injected back into the fluidized bed.

  5. 3-D capacitance density imaging of fluidized bed

    Science.gov (United States)

    Fasching, George E.

    1990-01-01

    A three-dimensional capacitance density imaging of a gasified bed or the like in a containment vessel is achieved using a plurality of electrodes provided circumferentially about the bed in levels and along the bed in channels. The electrodes are individually and selectively excited electrically at each level to produce a plurality of current flux field patterns generated in the bed at each level. The current flux field patterns are suitably sensed and a density pattern of the bed at each level determined. By combining the determined density patterns at each level, a three-dimensional density image of the bed is achieved.

  6. Fluidized bed heat exchanger utilizing angularly extending heat exchange tubes

    Science.gov (United States)

    Talmud, Fred M.; Garcia-Mallol, Juan-Antonio

    1980-01-01

    A fluidized bed heat exchanger in which air is passed through a bed of particulate material containing fuel disposed in a housing. A steam/water natural circulation system is provided and includes a steam drum disposed adjacent the fluidized bed and a series of tubes connected at one end to the steam drum. A portion of the tubes are connected to a water drum and in the path of the air and the gaseous products of combustion exiting from the bed. Another portion of the tubes pass through the bed and extend at an angle to the upper surface of the bed.

  7. Bed inventory overturn in a circulating fluid bed riser with pant-leg structure

    Energy Technology Data Exchange (ETDEWEB)

    Jinjing Li; Wei Wang; Hairui Yang; Junfu Lv; Guangxi Yue [Tsinghua University, Beijing (China). Key Laboratory for Thermal Science and Power Engineering of Ministry of Education

    2009-05-15

    The special phenomenon, nominated as bed inventory overturn, in circulating fluid bed (CFB) riser with pant-leg structure was studied with model calculation and experimental work. A compounded pressure drop mathematic model was developed and validated with the experimental data in a cold experimental test rig. The model calculation results agree well with the measured data. In addition, the intensity of bed inventory overturn is directly proportional to the fluidizing velocity and is inversely proportional to the branch point height. The results in the present study provide significant information for the design and operation of a CFB boiler with pant-leg structure. 15 refs., 10 figs., 1 tab.

  8. DOE occupational radiation exposure 2006 report

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2006-12-31

    The U.S. Department of Energy (DOE) Office of Corporate Safety Analysis (HS-30) within the Office of Health, Safety and Security (HSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE. This report provides a summary and an analysis of occupational radiation exposure information for all monitored individuals associated with DOE activities. The occupational radiation exposure information is analyzed in terms of aggregate data, dose to individuals, and dose by site over the past five years.

  9. DOE occupational radiation exposure 2005 report

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2005-12-31

    The U.S. Department of Energy (DOE) Offi ce of Corporate Safety Analysis (HS-30) within the Office of Health Safety and Security (HSS) publishes the annual DOE Occupational Radiation Exposure Report to provide an overview of the status of radiation protection practices at DOE. This report provides a summary and an analysis of occupational radiation exposure information for all monitored individuals associated with the DOE activities. The occupational radiation exposure information is analyzed in terms of aggregate data, dose to individuals, and dose by site over the past 5 years.

  10. Occupational radiation exposures in Canada - 1980

    International Nuclear Information System (INIS)

    This report is the third in a series of annual reports on Occupational Radiation Exposures in Canada. The data is derived from the Radiation Protection Bureau's National Dose Registry which includes dose records for radiation workers. The report presents average yearly doses by region and occupational category, dose distributions, and variation of average doses with time. Statistical data concerning investigations of high exposures reported by the National Dosimetry Services are included and individual cases are briefly summarized where the maximum permissible dose is exceeded. The decrease in the overall average doses established over the last 20 years appears to be changing. In some occupational categories a consistent upward trend is observed

  11. [Occupational dermatitis in health care personnel].

    Science.gov (United States)

    Barbaud, Annick

    2002-09-01

    Occupational dermatosis are frequent among healthcare workers. Irritant hand dermatitis is more common than allergic contact dermatitis. It is enhanced by the exposure to irritants: water, detergents, disinfectants and a history of atopic dermatitis. Natural rubber latex contained in rubber gloves can induce contact urticaria or generalized immediate allergic reactions. Contact eczema can be induced by rubber accelerators such as thiurams, disinfectants (glutaraldehyde, dodecyldimethylammonium). Nurses can become sensitized to handled drugs (antibiotics, propacetamol...). These occupational allergies have to be diagnosed, because sensitized nurses can develop severe generalized cutaneous adverse drug reactions if they are systemically exposed to the same drug than those that has previously induced an occupational contact allergy. PMID:12385152

  12. Occupational radiation exposures in canada-1983

    International Nuclear Information System (INIS)

    This is the sixth in a series of annual reports on Occupational Radiation Exposures in Canada. The information is derived from the National Dose Registry of the Radiation Protection Bureau, Department of National Health and Welfare. As in the past this report presents by occupation: average yearly whole body doses by region, dose distributions, and variations of the average doses with time. The format has been changed to provide more detailed information regarding the various occupations. Statistical data concerning investigations of high exposures reported by the National Dosimetry Services are tabulated in summary form

  13. Occupational Therapy Home Modification Assessment and Intervention.

    Science.gov (United States)

    Somerville, Emily; Smallfield, Stacy; Stark, Susan; Seibert, Carol; Arbesman, Marian; Lieberman, Deborah

    2016-01-01

    Evidence Connection articles describe a clinical application of a systematic review developed in conjunction with the American Occupational Therapy Association's Evidence-Based Practice (EBP) Project. This Evidence Connection provides a case report of a client referred to occupational therapy for home modification assessment and intervention, applying the evidence from the systematic review of home modifications conducted in conjunction with the EBP Project. The client received in-home occupational therapy after side effects of liver disease resulted in increased falls within her home. PMID:27548872

  14. Sex ratio in relation to fathers' occupations.

    OpenAIRE

    Dickinson, H O; Parker, L

    1997-01-01

    OBJECTIVE: To investigate whether the sex ratio of children varies between fathers of different occupations. METHODS: The sex ratio (the ratio of the number of boys to the number of girls at birth) was calculated in relation to paternal occupation in the cohort of all 253,433 live births in Cumbria, north west England, from 1950-89. Exact binomial confidence intervals were used to estimate whether the sex ratio in each occupational category was significantly different from that for the rest o...

  15. Modeling nitrate removal in a denitrification bed

    Science.gov (United States)

    Denitrification beds are being promoted to reduce nitrate concentrations in agricultural drainage water to alleviate the adverse environmental effects associated with nitrate pollution in surface water. In this system, water flows through a trench filled with a carbon media where nitrate is transfor...

  16. Fluidized-Bed Silane-Decomposition Reactor

    Science.gov (United States)

    Iya, Sridhar K.

    1991-01-01

    Fluidized-bed pyrolysis reactor produces high-purity polycrystalline silicon from silane or halosilane via efficient heterogeneous deposition of silicon on silicon seed particles. Formation of silicon dust via homogeneous decomposition of silane minimized, and deposition of silicon on wall of reactor effectively eliminated. Silicon used to construct solar cells and other semiconductor products.

  17. Modelling of Devolatilization in Fluidized Bed Combustion

    DEFF Research Database (Denmark)

    Stenseng, Mette; Lin, Weigang; Johnsson, Jan Erik;

    1997-01-01

    A mathematical model is developed to describe the devolatilization process in a circulating fluidized bed combustor. The model is a combination of two submodels: single particle devolatilization and fluid dynamics. The single particle model includes the influence of both chemical kinetics and hea...

  18. Exercise Training During Bed Rest Attenuates Deconditioning

    Science.gov (United States)

    Greenleaf, J. E.; Hargens, Alan R. (Technical Monitor)

    1995-01-01

    A 30-day 6 deg. head-down bed rest study was conducted to evaluate high-intensity, short-duration, alternating isotonic cycle ergometer exercise (ITE) training and high-intensity intermittent isokinetic exercise (IKE) training regiments designed to maintain peak VO2 and muscle mass, strength, and endurance at ambulatory control levels throughout prolonged bed rest. Other elements of the deconditioning (acclimation) syndrome, such as proprioception, psychological performance, hypovolemia, water balance, body composition, and orthostatic tolerance, were also measured. Compared with response during bed rest of the no exercise (NOE) control group: the ITE training regimen (a) maintained work capacity (peak VO2), (b) maintained plasma and red cell volume, (c) induced positive body water balance, (d) decreased quality of sleep and mental concentration, and (e) had no effect on the decrease in orthostatic tolerance; the IKE training regimen (a) attenuated the decrease in peak VO2 by 50%, (b) attenuated loss of red cell volume by 40%, but had no effect on loss of plasma volume, (c) induced positive body water balance, (d) had no adverse effect on quality of sleep or concentration, and (e) had no effect on the decrease in orthostatic tolerance. These findings suggest that various elements of the deconditioning syndrome can be manipulated by duration and intensity of ITE or IKE training regiments, and that several different training protocols will be required to maintain or restore physiological and psychological performance of individuals confined to prolonged bed rest.

  19. Effects Of Exercise During Prolonged Bed Rest

    Science.gov (United States)

    Arnaud, S.; Berry, P; Cohen, M.; Danelis, J.; Deroshia, C.; Greenleaf, J.; Harris, B.; Keil, L.; Bernauer, E.; Bond, M.; Ellis, S.; Lee, P.; Selzer, R.; Wade, C.

    1992-01-01

    Report describes experiment to investigate effects of isotonic and isokinetic leg exercises in counteracting effects of bed rest upon physical and mental conditions of subjects. Data taken on capacity for work, endurance and strength, tolerance to sitting up, equilibrium, posture, gait, atrophy, mineralization and density of bones, endocrine analyses concerning vasoactivity and fluid and electrolyte balances, intermediary metabolism of muscles, mood, and performance.

  20. Pebble bed packing in prismatic containers

    International Nuclear Information System (INIS)

    Highlights: • The essential part of ceramic breeder blankets is pebble beds. • The packing factor for blanket relevant cavities must be known. • Tomography experiments revealed details of packing arrangements. • Packing experiments confirm that reference packing factors will be achieved. -- Abstract: New analyses of previous tomography investigations show in detail void fraction fluctuations close to walls generated by regular pebble arrangements. Local packing factors within the pebble bed were determined for characteristic zones. These results are very helpful for the interpretation of the packing experiments performed with spherical pebbles in different kinds of Plexiglas containers dominated by flat walls. The packing factors for single-size pebbles in the containers with a piston on top are fairly independent of bed height unless the height to diameter ratio becomes less than 10. For the closed rectangular containers, the development of structured packings is rendered more difficult. However, for blanket relevant bed heights, both for orthosilicate and beryllium pebbles, the packing factors obtained which agree well with previously obtained reference values

  1. Chapter 17: Flow Interruption in Trickle Beds

    Czech Academy of Sciences Publication Activity Database

    Haure, P.; Hanika, Jiří; Silvestone, P.L.

    Oxford : Butterworth-Heinemann, 2013, s. 463-493 ISBN 978-0-12-391854-3 Institutional support: RVO:67985858 Keywords : trickle bed * fluid phase * channels Subject RIV: CI - Industrial Chemistry, Chemical Engineering http://www. amazon .com/Periodic-Operation-Reactors-P-Silveston/dp/0123918545

  2. Updated Performance Evaluation of the ISS Water Processor Multifiltration Beds

    Science.gov (United States)

    Bowman, Elizabeth M.; Carter, Layne; Carpenter, Joyce; Orozco, Nicole; Weir, Natalee; Wilson, Mark

    2014-01-01

    The ISS Water Processor Assembly (WPA) produces potable water from a waste stream containing humidity condensate and urine distillate. The primary treatment process is achieved in the Multifiltration Beds, which include adsorbent media and ion exchange resin for the removal of dissolved organic and inorganic contaminants. Two Multifiltration Beds (MF Beds) were replaced on ISS in July 2010 after initial indication of inorganic breakthrough of the first bed and an increasing Total Organic Carbon (TOC) trend in the product water. The first bed was sampled and analyzed Sept 2011 through March 2012. The second MF Bed was sampled and analyzed June 2012 through August 2012. The water resident in the both beds was analyzed for various parameters to evaluate adsorbent loading, performance of the ion exchange resin, microbial activity, and generation of leachates from the ion exchange resin. Portions of the adsorbent media and ion exchange resin were sampled and subsequently desorbed to identify the primary contaminants removed at various points in the bed in addition to microbial analysis. Analysis of the second bed will be compared to results from the first bed to provide a comprehensive overview of how the Multifiltration Beds function on orbit. New data from the second bed supplements the analysis of the first bed (previously reported) and gives a more complete picture of breakthrough compounds, resin breakdown products, microbial activity, and difficult to remove compounds. The results of these investigations and implications to the operation of the WPA on ISS are documented in this paper.

  3. Flow characteristics of counter-current flow in debris bed

    International Nuclear Information System (INIS)

    In the course of a severe accident, a damaged core would form a debris bed consisting of once-molten and fragmented fuel elements. It is necessary to evaluate the dryout heat flux for the judgment of the coolability of the debris bed during the severe accident. The dryout phenomena in the debris bed is dominated by the counter-current flow limitation (CCFL) in the debris bed. In this study, air-water counter-current flow behavior in the debris bed is experimentally investigated with glass particles simulating the debris beds. In this experiment, falling water flow rate and axial pressure distributions were experimentally measured. As the results, it is clarified that falling water flow rate becomes larger with the debris bed height and the pressure gradient in the upper region of the debris bed is different from that in the lower region of the debris bed. These results indicate that the dominant region for CCFL in the debris bed is identified near the top of the debris bed. Analytical results with annular flow model indicates that interfacial shear stress in the upper region of the debris bed is larger than that in the lower region of the debris bed. (author)

  4. Field testing of absorption bed clogging

    International Nuclear Information System (INIS)

    On-site wastewater treatment systems throughout North America most commonly use absorption beds to re-introduce treated wastewater from rural properties into the groundwater. With proper design and operating conditions these systems can work well for over 20 years with some reports of over 40 years. However, failure rates as high as 30% for on-site systems are reported and the most common mode of failure is the clogging of the soil absorption system. Research under laboratory settings has been conducted in a number of institutions to demonstrate the key factors leading to failure. These include items such as poor design, excessive hydraulic loading, and high concentrations of wastewater constituents leading to the formation of an excessive biologic layer (the biomat) at the interface of the sand and gravel. Most of these studies have been on simplified systems under accelerated conditions leading to questions about the validity of the results for actual systems. This project was designed to determine the causes of clogging using actual systems so that questions about the effects of simplified testing could be avoided. In this study actual soil absorption systems with ages from 3 to 15 years were studied to determine the proportion of the bed that was 'failed'. Failure was defined as the portion of the bed which had a significant biomat present and ponding water. Measurements were made of the effluent rates, effluent quality, absorption bed characteristics and background soil conditions. The results confirmed the effect of background soils in that fine grain soils showed a much stronger tendency for biomat formation and reached failure sooner. What was of greatest importance was the effect of the wastewater constituents, most particularly BOD, on the expected bed life. With the exception of soil characteristics, BOD had greatest impact on the rate of failure. For normal operating conditions even a modest change in BOD, within the range of expected values, resulted

  5. OCCUPATIONAL ROLE AFTER PSYCHIATRIC HOSPITALIZATION

    Directory of Open Access Journals (Sweden)

    GH.R GHASSEMI

    2003-03-01

    Full Text Available Introduction: Severe Psychiatricillness is accompanied by gross disturbances in patient's occupational role. This study presents a comparative picture of work performance before and after psychiatric hospitalization. Method: Subjects comprised 440 psychiatric admitters from Noor Medical center - Isfahan - Iran, who were followed from November 1999 to November 2000. Their work adjustment was measured by means of Weiss man's index. Data were computer analyzed using SPSS by running paired t- student and ANOVA. Results: Majority of the patients (53 % were without permanent sources of income before psychiatric hospitalization, about 12 percent of those who were working prior to hospitalization lost their job after being discharged from hospital. Better work adjustment before hospitalization was positively correlated with better work adjustment after discharge for working patients (r =0/66. Working ability of the patients after discharge was lesser than before the attack f9r patients with regular and irregular job (P < 001. Discussion: Job loss or poor working ability after psychiatric admission reported by several researchers and has bean confirmed in this study as well. These observatoins have been discussed in view of the current socio economic problems in the society and nature of psychiatric disturbances.

  6. Occupational noise in printing companies.

    Science.gov (United States)

    Mihailovic, Aleksandra; Grujic, Selena D; Kiurski, Jelena; Krstic, Jelena; Oros, Ivana; Kovacevic, Ilija

    2011-10-01

    The extent of noise in five printing companies in Novi Sad, Serbia, was determined using TES-1358A Sound Analyzer with RS-232 Interface. The data on equivalent A-level (dBA), as well as, maximum and minimum sound pressure levels were collected. It was found that folders and offset printing units are the predominant noise sources, with the average L (eq) levels of 87.66 and 82.7 dBA, respectively. Forty percent of the machines produced noise levels above the limiting threshold level of 85 dBA, allowed by law. The noise in all printing companies was dominated by higher frequency noise, and the maximum level mostly appeared at 4,000 Hz. For offset printing machines and folders, the means of L (eq) levels exceeded the permissible levels given by NR-80 curve at higher frequencies. There are no published studies of occupational noise and hearing impairment of workers exposed to hazardous noise in printing industry in Serbia. More extensive studies are needed to determine the exact impact of noise on the workers. Technical and organizational measures in order to control noise and prevent noise exposure, and general hearing conservation program to protect workers, should be introduced in printing industry. PMID:21161679

  7. Occupational radiation exposures in Cyprus

    International Nuclear Information System (INIS)

    For the first time ever the occupational radiation exposure data of all the radiation workers of Cyprus, as obtained by the personnel monitoring service of the Dosimetry Laboratory of the Medical Physics Department of the Ministry of Health, is published and compared with that of other countries. The presented data shows a systematic trend of improvement both with regards to the methodology of monitoring and data recording. The efforts of the past few years in educating and training the users of ionising radiation with regards to the importance of the personnel monitoring service and the hazards of ionising radiation, has paid off and this is evident from the doses recorded in the past three years which are compared favourably with those of other countries, as given by the UNSCEAR 1993 report. The introduction of extremity monitoring, promises even better improvement in the methodology of monitoring the doses received by personnel working in Interventional Radiology, as well as other groups whose hands, unavoidably, come close to radiation sources. (authors)

  8. Radioactive isotopes in occupational health

    International Nuclear Information System (INIS)

    It is highly desirable today to know and use for industrial medicine purposes all scientific and technological data available in the field of nuclear medicine. The present textbook is an inventory of all possibilities given to occupational doctors in order to pronounce a judgement of ability to work on the occasion of preemployment or routine medical examinations. Such applications require a high degree of competence in radiological protection and also require observation of the basic Safety Standards of Euratom and of the recommendations of the International Committee on Radiological Protection, the same safety principles having been incorporated in all the legislations of the Member States of the Community. In this book a number of chapters are devoted to the description of the basic principles for maximum permissible doses, dosimetric surveillance, medical supervision of workers exposed to ionizing radiations, and medical treatments to be used after a radioactive contamination. In addition a small number of preventive measures are described for all utilisations of radioactive substances for diagnostic or therapeutic purposes

  9. Semiconductor Compounds For Occupational Dosimetry

    International Nuclear Information System (INIS)

    One of the main objectives of radiation dosimetry is developing suitable sensitive materials for measurements in different radiation fields and applying it in practical situations. Semiconductors vary in their radiation response according to the nature of the material used and the impurities added to them. Our exploration of potentially suitable high gamma radiation dosimeters which can be used inside restricted areas, led us to a series of materials giving thermoluminescent emission upon giving exposure to gamma radiation in the range of 0.5-1.5 Mrad (0.5x104-1.5x104 gray). The experimental work has been carried out in part at the National Center for Radiation Research and Technology at the Atomic Energy Authority using industrial 60Co gamma ray unit giving a dose rate of 136 Gy/min. The results indicated that some of the tested materials have been shown to exhibit thermoluminescence linearly with dose. Hence it is suggested that these materials can act as radiation dosimeters for high exposures of occupational workers and for workplaces

  10. 8. Occupational asthma and allergies.

    Science.gov (United States)

    Bardana, Emil J

    2003-02-01

    A diversity of airborne dusts, gases, fumes, and vapors can cause dose-related symptoms in individuals exposed in the workplace. More than 250 chemicals have been incriminated as a cause of occupational asthma (OA). The prevalence of OA ranges from 2% to 6% of the asthmatic population. Predisposing factors facilitating the development of OA include the work environment, climatic conditions, genetic proclivities, tobacco and recreational drug use, respiratory infection, and bronchial hyperresponsiveness. Pathogenetically, new-onset OA may be immunologic or nonimmunologic in origin. The immunologic variants are usually caused by high molecular-weight allergens such as grain dust and animal or fish protein. Symptoms ensue after a latent period of months to years. Nonimmunologic OA can be precipitated by a brief, high-level exposure to a potent irritant. Symptoms occur immediately or within a few hours of the exposure. In either instance, once the diagnosis is established, the worker should be removed from the workplace. If the diagnosis is made in a timely fashion, most workers experience improvement. Prevention is the best therapeutic intervention. PMID:12592299

  11. Occupational contact dermatitis from propacetamol.

    Science.gov (United States)

    Szczurko, C; Dompmartin, A; Michel, M; Castel, B; Leroy, D

    1996-11-01

    We report 4 cases of contact sensitization to propacetamol. They presented with lesions on the hands, forearms, crease of the elbows, and neck. They were all sensitized to multiple allergens and 2 of them were atopic. Patch tests to Pro-Dafalgan and propacetamol were positive; sodium citrate and paracetamol were negative. Our cases were similar to those published for the first time by Barbaud in 1995. The only allergen was propacetamol; patch tests with diethyglycine and paracetamol were negative. Propacetamol chlorhydrate is composed of a complex paracetamol-diethylglycine, which probably acts like a hapten capable of inducing cutaneous allergy. It is an occupational allergy affecting nurses who work in surgery departments or post-anesthesia recovery rooms, where high doses of analgesics are widely used. The patients were not allergic to oral paracetamol. Despite the usual precautions, the mixture of propacetamol chlorhydrate and solvent leaks onto the nurses' hands, suggesting that health care workers handling propacetamol chlorhydrate should wear gloves. PMID:9007376

  12. Development of the Final Version of the Classification and Assessment of Occupational Dysfunction Scale

    OpenAIRE

    Mutsumi Teraoka; Makoto Kyougoku

    2015-01-01

    Occupational therapy is involved in disability prevention and health enhancement through the prevention of occupational dysfunction. Although many occupational dysfunction scales exist, no standard method is available for the assessment and classification of occupational dysfunction, which may include occupational imbalance, occupational deprivation, occupational alienation, and occupational marginalization. The purpose of this study was to develop the final version of Classification and Asse...

  13. Pulse Detonation Engine Test Bed Developed

    Science.gov (United States)

    Breisacher, Kevin J.

    2002-01-01

    A detonation is a supersonic combustion wave. A Pulse Detonation Engine (PDE) repetitively creates a series of detonation waves to take advantage of rapid burning and high peak pressures to efficiently produce thrust. NASA Glenn Research Center's Combustion Branch has developed a PDE test bed that can reproduce the operating conditions that might be encountered in an actual engine. It allows the rapid and cost-efficient evaluation of the technical issues and technologies associated with these engines. The test bed is modular in design. It consists of various length sections of both 2- and 2.6- in. internal-diameter combustor tubes. These tubes can be bolted together to create a variety of combustor configurations. A series of bosses allow instrumentation to be inserted on the tubes. Dynamic pressure sensors and heat flux gauges have been used to characterize the performance of the test bed. The PDE test bed is designed to utilize an existing calorimeter (for heat load measurement) and windowed (for optical access) combustor sections. It uses hydrogen as the fuel, and oxygen and nitrogen are mixed to simulate air. An electronic controller is used to open the hydrogen and air valves (or a continuous flow of air is used) and to fire the spark at the appropriate times. Scheduled tests on the test bed include an evaluation of the pumping ability of the train of detonation waves for use in an ejector and an evaluation of the pollutants formed in a PDE combustor. Glenn's Combustion Branch uses the National Combustor Code (NCC) to perform numerical analyses of PDE's as well as to evaluate alternative detonative combustion devices. Pulse Detonation Engine testbed.

  14. Calculation of local bed to wall heat transfer in a fluidized-bed

    International Nuclear Information System (INIS)

    Surface to bed heat transfer in a fluidized-bed largely depends upon its local and global hydrodynamical behavior including particle velocity, particle trajectory, gas velocity, and void fraction. In this study, a computer program was developed in order to calculate the local bed to wall heat transfer, by accounting for the local and global instantaneous hydrodynamics of the bed. This is accomplished by utilizing the CHEMFLUB computer program. This information at a given location is interpreted so that the most appropriate heat transfer model is utilized for each time increment. These instantaneous heat transfer coefficient for the given location. Repeating the procedure for different locations, a space average heat transfer coefficient is also calculated. This report briefly summarizes the various heat transfer models employed and gives sample computer results reporting the case study for Mickley - Trilling's experimental set-up. Comparisons with available experimental data and correlations are also provided in order to compare and evaluate the computer results

  15. Bed material agglomeration during fluidized bed combustion. Technical progress report, January 1, 1995--March 31, 1995

    Energy Technology Data Exchange (ETDEWEB)

    Brown, R.C.; Dawson, M.R.; Smeenk, J.L.

    1995-04-01

    Experiments performed support the hypothesis that a reducing atmosphere during fluidized bed coal combustion contributes to the formation of agglomerates. Reducing conditions are imposed by controlling the amount of combustion air supplied to the combustor, 50% of theoretical in these experiments. These localized reducing conditions may arise from either poor lateral bed mixing or oxygen-starved conditions due to the coal feed locations. Deviations from steady-state operating conditions in bed pressure drop may be used to detect agglomerate formation. Interpretation of the bed pressure drop was made more straightforward by employing a moving average difference method. During steady-state operation, the difference between the moving point averages should be close to zero, within {plus_minus}0.03 inches of water. Instability within the combustor, experienced once agglomerates begin to form, can be recognized as larger deviations from zero, on the magnitude of {plus_minus}0.15 inches of water.

  16. Fluid bed porosity mathematical model for an inverse fluidized bed bioreactor with particles growing biofilm.

    Science.gov (United States)

    Campos-Díaz, K E; Bandala-González, E R; Limas-Ballesteros, R

    2012-08-15

    A new mathematic model to estimate bed porosity as a function of Reynolds and Archimedes numbers was developed based in experimental data. Experiments were performed using an inverse fluidized bed bioreactor filled with polypropylene particles, Lactobacillus acidophillus as the immobilized strain and fluidized with a Man-Rogosa-Sharpe culture medium under controlled temperature and pH conditions. Bed porosity was measured at different flow rates, starting from 0.95 to 9.5 LPM. The new model has several advantages when compared with previously reported. Among them, advantages such as standard deviation values ≤ 1% between experimental and calculated bed porosity, its applicability in traditional and inverse fluidization, wall effects do not take account, it gives excellent agreement with spherical particles with or without biofilm, and inertial drag coefficient allow extend the new model a non-spherical particles. PMID:22484706

  17. Fluctuations and time scales for bed-load sediment motion over a smooth bed

    Institute of Scientific and Technical Information of China (English)

    Francesco Ballio n; Alessio Radice

    2015-01-01

    Results are presented for experiments of bed-load sediment transport over a plane, smooth bed. The smooth-bed configuration, though not adequate for mimicking natural streams, enables the effects of bed roughness to be filtered out, thus, highlighting the role of flow turbulence for particle dynamics. Sediments were individually tracked along their paths, measuring position and velocity of the individual grains. A number of analyses were then applied to the data: probability density function, auto-correla-tion, and spectra of the grain velocity. Several Lagrangian time scales of particle motion were obtained and compared to available data for the turbulent flow field to determine a phenomenological inter-pretation of the process.

  18. Absence from work due to occupational and non-occupational accidents

    DEFF Research Database (Denmark)

    Jørgensen, Kirsten; Laursen, Bjarne

    2013-01-01

    Aims: The aim of the present study was to investigate absence from work in Denmark due to occupational and non-occupational accidents. Background: Since the beginning of the last decade, political focus has been placed on the population’s working capacity and the scope of absence due to illness...... absence. Based on this the total absence due to injuries in Denmark was estimated to 1,822,000 workdays, corresponding to approximately 6% of the total absence from work due to all types of illness. Non-occupational injuries resulted in more absence than did occupational injuries. Conclusions: Absence due...... to accidents contributed to a considerable part of the total absence from work, and non-occupational accidents caused more absence than did occupational accidents....

  19. Comparison of packed bed and fluidized bed membrane reactors for methane reforming

    OpenAIRE

    Gallucci, Fausto; Sint Annaland, van, Martin; Kuipers, J.A.M.

    2009-01-01

    In this work the performance of different membrane reactor concepts, both fluidized bed and packed bed membrane reactors, have been compared for the reforming of methane for the production of ultra-pure hydrogen. Using detailed theoretical models, the required membrane area to reach a given conversion and the prevailing temperature profiles have been compared. The extent of mass and heat transfer limitations in the different reactors have been evaluated, and strategies to decrease (or avoid) ...

  20. Loading and Unloading Finishing Pigs: Effects of Bedding Types, Ramp Angle, and Bedding Moisture

    OpenAIRE

    Arlene Garcia; McGlone, John J.

    2014-01-01

    Simple Summary Current guidelines suggest the use of ramps below 20 degrees to load and unload pigs; however, they do not suggest the use of any specific bedding. Bedding types (nothing, feed, sand, wood shavings, and hay) were tested with finishing pigs (70–120 kg) to determine which was most effective in reducing slips, falls, and vocalizations at three ramp angles, two moisture levels, over two seasons. Slips, falls, and vocalizations were summed to establish a scoring system for the types...

  1. Loading and Unloading Weaned Pigs: Effects of Bedding Types, Ramp Angle, and Bedding Moisture

    OpenAIRE

    2014-01-01

    Simple Summary Current guidelines suggest the use of ramps below 20° to load and unload pigs; they do not suggest the use of any specific bedding. Bedding types (nothing, feed, sand, wood shavings, and hay) were tested with four week old weaned pigs to determine which was most effective in reducing slips, falls, and vocalizations at three ramp angles, two moistures, over two seasons. Slips, falls, and vocalizations were summed to establish a scoring system to evaluate treatments. Scores incre...

  2. Experimental comparison of two different ilmenites in fluidized bed and fixed bed chemical-looping combustion

    International Nuclear Information System (INIS)

    Highlights: • Two ilmenite oxygen carriers were tested in fluidized and fixed bed mode. • Activation effects were higher for coarse particles than for small particles. • The final fuel conversion found was higher in the fixed bed for CO and H2 – CH4 was not influenced. • Sintering due to temperature increase during oxidation occurred in the fixed bed. - Abstract: Carbon capture for storage or reuse is seen as one possibility to lower the emissions of anthropogenic CO2. Chemical-looping combustion (CLC) is a promising second generation technique to capture CO2 from thermochemical fuel conversion processes, such as combustion for power generation. The technical implementation of CLC can be conducted using different arrangement approaches based on fluidized or fixed bed reactor designs. When it comes to conversion of solid fuels, the lifetime of an oxygen carrier in a CLC system may be limited by side reactions with fuel ash, or by carryover losses. Therefore, low cost oxygen carriers are preferred. In that context, ilmenite, an iron titanium oxide has been the subject of a number of studies. Here, two ilmenite samples from the Lac Tio mine, Quebec, Canada, extracted from different preparation states were evaluated during activation at 900 °C using a CO–CH4–H2 gas mixture diluted in N2. The experiments were carried out both under fluidized bed and fixed bed conditions to point out qualitative differences. Generally fixed bed reduction indicated higher gas conversion although coarser particles were used. However, if oxidation is carried out in a fixed bed, particle sintering may be a substantial problem

  3. Prevention and Control of Bed Bugs in Residences

    Science.gov (United States)

    ... on a backpack Bed bugs along a mattress seam Bed bugs on the underside of a box ... Controlling an infestation requires very detailed work, much moving and disassembly of furniture, and specialty equipment. Careful ...

  4. Smart building temperature control using occupant feedback

    Science.gov (United States)

    Gupta, Santosh K.

    This work was motivated by the problem of computing optimal commonly-agreeable thermal settings in spaces with multiple occupants. In this work we propose algorithms that take into account each occupant's preferences along with the thermal correlations between different zones in a building, to arrive at optimal thermal settings for all zones of the building in a coordinated manner. In the first part of this work we incorporate active occupant feedback to minimize aggregate user discomfort and total energy cost. User feedback is used to estimate the users comfort range, taking into account possible inaccuracies in the feedback. The control algorithm takes the energy cost into account, trading it off optimally with the aggregate user discomfort. A lumped heat transfer model based on thermal resistance and capacitance is used to model a multi-zone building. We provide a stability analysis and establish convergence of the proposed solution to a desired temperature that minimizes the sum of energy cost and aggregate user discomfort. However, for convergence to the optimal, sufficient separation between the user feedback frequency and the dynamics of the system is necessary; otherwise, the user feedback provided do not correctly reflect the effect of current control input value on user discomfort. The algorithm is further extended using singular perturbation theory to determine the minimum time between successive user feedback solicitations. Under sufficient time scale separation, we establish convergence of the proposed solution. Simulation study and experimental runs on the Watervliet based test facility demonstrates performance of the algorithm. In the second part we develop a consensus algorithm for attaining a common temperature set-point that is agreeable to all occupants of a zone in a typical multi-occupant space. The information on the comfort range functions is indeed held privately by each occupant. Using occupant differentiated dynamically adjusted prices as

  5. Occupational therapy, professional development and ethics

    DEFF Research Database (Denmark)

    Dige, Morten

    2009-01-01

    The article's aim is to reflect on and contribute to developing occupational therapy as a profession. I propose an ethical interpretation of health and helping professions in general and occupational therapy in particular. According to this ethical interpretation, the essential function and mission...... of classical health and helping professions are defined by certain ethical values: the basic elements of a good human life. I argue that the central concepts of occupational therapy, activity and participation, can plausibly be understood in this light. However, this seems to imply a rather...... substantial conception of well-being which I try to spell out. In addition, I specify the basic principles of biomedical ethics in the context of occupational therapy according to an ethical interpretation. In conclusion, I point at four advantages of the ethical interpretation: It adds precision and content...

  6. Role of occupational therapy after stroke

    Directory of Open Access Journals (Sweden)

    Rowland Tennille

    2008-01-01

    Full Text Available Internationally recognized best practice care in the early management and rehabilitation of individuals following stroke includes multidisciplinary assessment and treatment by a coordinated team of health care professionals that includes occupational therapists. Occupational therapists assess the impact of changes in motor function, sensation, coordination, visual perception, and cognition on a person′s capacity to manage daily life tasks. Intervention improves participation in meaningful roles, tasks, and activities; remediates deficits; minimizes secondary complications; and provides education and support to the patient and caregivers. Occupational therapists′ focus on independence and function, individual goal-setting, and their specialist skills in task adaptation and environmental modification underpin the profession′s contribution to the multidisciplinary stroke rehabilitation team. The aim of this paper is to provide an overview of occupational therapy practice in stroke patients.

  7. Occupational closure in nursing work reconsidered

    DEFF Research Database (Denmark)

    Traynor, Michael; Nissen, Nina; Lincoln, Carol;

    2015-01-01

    In healthcare, occupational groups have adopted tactics to maintain autonomy and control over their areas of work. Witz described a credentialist approach to occupational closure adopted by nursing in the United Kingdom during the 19th and early 20th centuries. However, the recent advancement......, while nurses abandon it for largely administrative roles. We conclude that the participants are the not unwilling agents of a managerially led project to reshape the workforce that cuts across existing occupational boundaries....... = 59). The aim was to examine how these workers positioned themselves as professionals and accounted for professional boundaries. A thematic analysis revealed a complex situation in which participants were divided between articulating an acceptance of a subordinate role within traditional occupational...

  8. Mexico, maquiladoras, and occupational medicine training.

    Science.gov (United States)

    Cordes, D H; Rea, D F; Schwartz, I; Rea, J

    1989-01-01

    Industrialization and its concomitant social and environmental effects in developing countries are considered in this paper. Mexico offers one example of economic progress achieved through the promotion of industrial growth. Recognising the need for trained experts with global experience in occupational health, the University of Arizona (UA) has begun a programme to train occupational and preventive medicine residents in international aspects of occupational health in the nearby industrialized border regions of Mexico. By using the maquiladora (assembly plant) industries and the resources of the Instituto Mexicano del Seguro Social with the State of Sonora, residents observe existing problems in occupational safety and health in addition to adding to their understanding of the need for worldwide cooperation for research and reform in this field. PMID:2719874

  9. DOE 2010 Occupational Radiation Exposure November 2011

    Energy Technology Data Exchange (ETDEWEB)

    U.S. Department of Energy, Office of Health, Safety and Security, Office of Analysis

    2011-11-11

    This report discusses radiation protection and dose reporting requirements, presents the 2010 occupational radiation dose data trended over the past 5 years, and includes instructions to submit successful ALARA projects.

  10. State Occupational Injuries, Illnesses, and Fatalities

    Science.gov (United States)

    ... 3847 Mailing address: U.S. Department of Labor - BLS JFK Building E-310 Boston, MA 02203 State Nonfatal ... U.S. Department of Labor Bureau of Labor Statistics JFK Building, E-310 Boston, MA 02203 Nonfatal occupational ...

  11. Recent Trends in Occupational Contact Dermatitis.

    Science.gov (United States)

    Wiszniewska, Marta; Walusiak-Skorupa, Jolanta

    2015-07-01

    Occupational contact dermatitis (OCD) remains prevalent among workers and impacts quality of life and workability. The purpose of this review is to summarize the recent advances in occupational contact dermatitis as well as potential hazardous agents in the workplaces causing OCD. The review covers new developments in the epidemiology, etiology, diagnosis, and management of occupational contact dermatitis. This article also provides updated information on the prevalence of work-related skin symptoms and on new contact allergens among working population. It is emphasized that in the context of prevention of OCD, special attention should be focused on the identified high-risk occupational groups, especially healthcare workers and hairdressers starting with the apprentices. Current approaches include working out the standards and guidelines to improve the education, knowledge, diagnosis, and management of OCD based on a multidisciplinary team of medical specialists and an employer. PMID:26143395

  12. 10 CFR 434.513 - Occupancy.

    Science.gov (United States)

    2010-01-01

    ... used in calculating the Energy Cost Budget. 513.2Table 513.2.a, Occupancy Density, establishes the... area Ft 2 person Assembly 50 Office 275 Retail 300 Warehouse 15000 School 75 Hotel/Motel 250...

  13. Occupational accidents in Turkey and providing and development of safety culture in preventing occupational accidents

    OpenAIRE

    Dursun, Salih

    2011-01-01

    Occupational accidents cause socially and economically significant loss both in developed and developing countries. According to ILO each year, 2.2 million people lost their lives in the occupational accident. In Turkey, over 1600 people die in these accidents every year. In this case, an important part of occupational accidents like 95% based on “human”, requires more people-oriented approaches towards the prevention of accidents. In this context, to provide and develop the safety culture, w...

  14. Promotion of occupational therapy as a career: A survey of occupational therapy managers

    OpenAIRE

    Craik, C; Ross, F.

    2003-01-01

    A careers pack distributed to 184 occupational therapy managers in and around London contained a questionnaire which gathered information about their role in promoting occupational therapy as a career. Twenty-six managers responded (14.1%) and considered that the College of Occupational Therapists had the principal responsibility for promoting the profession. Three-quarters considered that the careers pack was fairly effective and two-thirds were willing to use it to promote...

  15. Investigation of Occupational Asthma: Do Clinicians Fail to Identify rRelevant Occupational Exposures?

    OpenAIRE

    Carlo de Olim; Denis Bégin; Louis-Philippe Boulet; André Cartier; Michel Gérin; Catherine Lemière

    2015-01-01

    BACKGROUND: Specific inhalation challenges (SIC) enable the identification of the agent responsible of occupational asthma (OA). A clinician may fail to identify a specific agent in the workplace, which may potentially lead to a misdiagnosis. The expert assessment method performed by an occupational hygienist has been used to evaluate occupational exposures in epidemiological studies.OBJECTIVE: The broad aim of the present study was to evaluate the contribution of an expert assessment perform...

  16. Daily Occupations in Mentally Disordered Offenders in Sweden : Exploring Occupational Performance and Social Participating

    OpenAIRE

    Lindstedt, Helena

    2006-01-01

    The major aim was to explore perceived daily occupations in mentally disordered offenders (MDO) through occupational performance (OP) and social participation (SP) with descriptive, comparative and longitudinal designs. The 74 consecutively included MDOs were visited onsite for data collection. The following assessments were used: Capability to Perform Daily Occupation, Self-efficacy Scale, Importance scale, Allen Cognitive Level Screen, Interview Schedule for Social Interaction, Manchester S...

  17. Are occupations paid what they are worth? An econometric study of occupational wage inequality and productivity

    OpenAIRE

    Kampelmann, Stephan; Rycx, Francois

    2011-01-01

    Labour economists typically assume that pay differences between occupations can be explained with variations in productivity. The empirical evidence on the validity of this assumption is surprisingly thin and subject to various potential biases. The authors use matched employer-employee panel data from Belgium for the years 1999-2006 to examine occupational productivity-wage gaps. They find that occupations play distinct roles for remuneration and productivity: while the estimations indicate ...

  18. Relationship of Occupational and Non-Occupational Stress with Smoking in Automotive Industry Workers

    OpenAIRE

    Hassani, Somayeh; Yazdanparast, Taraneh; Seyedmehdi, Seyed Mohammad; Ghaffari, Mostafa; Attarchi, Mirsaeed; Bahadori, Baharak

    2014-01-01

    Background Tobacco use is the second cause of death and first cause of preventable mortality worldwide. Smoking in the workplace is particularly concerning. Smoking-free workplaces decrease the risk of exposure of non-smoking personnel to cigarette smoke. Recent studies have mostly focused on the effect of daily or non-occupational stressors (in comparison with occupational stress) on prevalence of smoking. Occupational stress is often evaluated in workplaces for smoking cessation or control ...

  19. Importance of Professional Occupational Safety and Health Agencies in Occupational Safety and Health Services

    OpenAIRE

    Altuğ, Talip; Ağır, Adnan; Alagüney, Mehmet Erdem

    2015-01-01

    Abstract- Background and Aim: Professional Occupational Safety and Health Agencies have an important role in conducting occupational safety and health services. The number of these agencies has increased after the Occupational Safety and Health Law is enured (6331). However there is insufficient data regarding the effectivity of these services. Therefore we investigsted this study in order to assess the importance of these agencies from employer perspective. Methods: In this cross-sectional s...

  20. Deleterious Thermal Effects Due To Randomized Flow Paths in Pebble Bed, and Particle Bed Style Reactors

    Science.gov (United States)

    Moran, Robert P.

    2013-01-01

    A review of literature associated with Pebble Bed and Particle Bed reactor core research has revealed a systemic problem inherent to reactor core concepts which utilize randomized rather than structured coolant channel flow paths. For both the Pebble Bed and Particle Bed Reactor designs; case studies reveal that for indeterminate reasons, regions within the core would suffer from excessive heating leading to thermal runaway and localized fuel melting. A thermal Computational Fluid Dynamics model was utilized to verify that In both the Pebble Bed and Particle Bed Reactor concepts randomized coolant channel pathways combined with localized high temperature regions would work together to resist the flow of coolant diverting it away from where it is needed the most to cooler less resistive pathways where it is needed the least. In other words given the choice via randomized coolant pathways the reactor coolant will take the path of least resistance, and hot zones offer the highest resistance. Having identified the relationship between randomized coolant channel pathways and localized fuel melting it is now safe to assume that other reactor concepts that utilize randomized coolant pathways such as the foam core reactor are also susceptible to this phenomenon.

  1. Loading and Unloading Finishing Pigs: Effects of Bedding Types, Ramp Angle, and Bedding Moisture

    Directory of Open Access Journals (Sweden)

    Arlene Garcia

    2014-12-01

    Full Text Available The use of non-slip surfaces during loading and unloading of finishing pigs plays an important role in animal welfare and economics of the pork industry. Currently, the guidelines available only suggest the use of ramps with a slope below 20 degrees to load and unload pigs. However, the total time it takes to load and unload animals and slips, falls, and vocalizations are a welfare concern. Three ramp angles (0, 10 or 20 degrees, five bedding materials (nothing, sand, feed, wood shavings or wheat straw hay, two moistures (dry or wet bedding, >50% moisture over two seasons (>23.9 °C summer, <23.9 °C winter were assessed for slips/falls/vocalizations (n = 2400 pig observations and analyzed with a scoring system. The use of bedding during summer or winter played a role in the total time it took to load and unload the ramp (p < 0.05. Bedding, bedding moisture, season, and slope significantly interacted to impact the total time to load and unload finishing pigs (p < 0.05. Heart rate and the total time it took to load and unload the ramp increased as the slope of the ramp increased (p < 0.05. Heart rates were higher during the summer than winter, and summer heart rates increased as the slope increased (p < 0.05. The current study suggests that several factors should be considered in combination to identify the appropriate bedding for the specific occasion.

  2. Optimal Investment Strategy to Minimize Occupation Time

    CERN Document Server

    Bayraktar, Erhan

    2008-01-01

    We find the optimal investment strategy to minimize the expected time that an individual's wealth stays below zero, the so-called {\\it occupation time}. The individual consumes at a constant rate and invests in a Black-Scholes financial market consisting of one riskless and one risky asset, with the risky asset's price process following a geometric Brownian motion. We also consider an extension of this problem by penalizing the occupation time for the degree to which wealth is negative.

  3. Personality, social background, and occupational career success

    OpenAIRE

    Gelissen, John; Graaf, Paul M. de

    2006-01-01

    Pooled cross-sectional and life-history data from the Dutch Family Survey 1998 and 2000 (N = 4000) were used to investigate whether personality was directly related to income attainment and occupational career transitions after controlling for human capital indicators, working hours, and parental social background. The results indicated that there were substantive direct relations between personality traits and occupational career success. Extraversion related positively to remuneration but o...

  4. Comfort control for short-term occupancy

    OpenAIRE

    Fountain, M; Brager, G. S.; Arens, Edward A; Bauman, Fred; Benton, C.

    1994-01-01

    This paper describes the logic of a microprocessor-controlled thermostat termed 'comfortstat' to address the needs of temporary room occupants such as hotel guests while reducing energy consumption. The 'comfortstat' design grew out of a study of thermal control in a luxury hotel in San Francisco, California, USA. Hotel guests frequently arrive from widely disparate climates and have high expectation so of the thermal environment. Their short-term occupancy (for periods ranging from one day ...

  5. Occupational radiation exposures in Canada - 1994

    International Nuclear Information System (INIS)

    This is the seventeenth in a series of annual reports on Occupational Radiation Exposures in Canada. The information is derived from the National Dose Registry of the Radiation Protection Bureau, Health Canada. As in the past, this report presents the following data by occupation: average yearly whole body doses by region, dose distributions, and variations of the average doses with time. (author). 17 refs., 4 tabs., 3 figs

  6. Activities in the Dynamic Occupational Therapy Method

    OpenAIRE

    Jô Benetton; Taís Quevedo Marcolino

    2013-01-01

    This paper addresses the concept and use of the instrument named ‘activities’ in occupational therapy, sustained by the propositions of the Dynamic Occupational Therapy Method (DOTM). Initially, we present general aspects related to the activities in the DOTM such as the option for the name ‘activities’, its conceptual definition, use as a tool, and active participation in the dynamic of triadic relationship. Further, it approaches the character of activities: therapeutic, educational and soc...

  7. Reflections on a trajectory in Occupational Therapy

    OpenAIRE

    Selma Lancmam

    2012-01-01

    This text is part of the memorial presented as a requirement of the contest for full professor positionin Occupational Therapy at the School of Medicine from the University of Sao Paulo. The reflections presentedaim to trace the trajectory contextualized in different periods and institutions where the writer has worked, andhow they have blended with the academic development of Occupational Therapy itself. The text also seeks todiscuss the solidification process of the writer’s training as a r...

  8. Occupational asthma in salbutamol process workers.

    OpenAIRE

    Agius, R M; Davison, A G; Hawkins, E R; Newman Taylor, A J

    1994-01-01

    Occupational asthma after exposure to salbutamol in the pharmaceutical industry has not been previously reported. The occurrence of occupational asthma is described in two pharmaceutical process workers who were likely to have inhaled doses appreciably in excess of the therapeutic dose range. The findings do not lead to an unequivocal conclusion on the mechanism of the asthma but it was probably a pharmacological consequence of high exposure.

  9. Factors associated with occupational disability classification

    OpenAIRE

    Angelov, Nikolay; Eliason, Marcus

    2014-01-01

    Sweden has a long tradition of labour market policies explicitly targeting job seekers with disabilities, ranging from in-work aids to subsidized employments, aiming at strengthening their position at the labour market. To ascertain that these programs are limited to the needy they are constrained to those job seekers that are classified as occu-pationally disabled by the Public Employment Service. In this study we have investi-gated the determinants of being classified as occupationally disa...

  10. Occupational health physics at a fusion reactor

    International Nuclear Information System (INIS)

    Future generation of electrical power using controlled thermonuclear reactors will involve both traditional and new concerns for health protection. A review of the problems associated with exposures to tritium and magnetic fields is presented with emphasis on the occupational worker. The radiological aspects of tritium, inventories and loss rates of tritium for fusion reactors, and protection of the occupational worker are discussed. Magnetic fields in which workers may be exposed routinely and possible biological effects are also discussed

  11. Occupational injury insurance - A strategy for prevention?

    DEFF Research Database (Denmark)

    Jacobsen, Thomas

    1993-01-01

    Can compulsory occupational injury insurance be used as a strategy for prevention in the work place? This is discussed on the basis of two different insurance systems - the Danish and the French.......Can compulsory occupational injury insurance be used as a strategy for prevention in the work place? This is discussed on the basis of two different insurance systems - the Danish and the French....

  12. Occupational radiation exposures in Canada-1984

    International Nuclear Information System (INIS)

    This is the seventh in a series of annual reports on Occupational Radiation Exposures in Canada. The information is derived from the National Dose Registry of the Radiation Protection Bureau, Department of National Health and Welfare. As in the past this report presents by occupation: average yearly whole body doses by region, dose distributions, and variations of average doses with time. Statistical data concerning investigations of high exposures reported by the National Dosimetry Services are tabulated in summary form

  13. Occupational radiation exposures in Canada - 1987

    International Nuclear Information System (INIS)

    This is the tenth in a series of annual reports on Occupational Radiation Exposures in Canada. The information is derived from the National Dose Registry of the Bureau of Radiation and Medical Devices, Department of National Health and Welfare. This report presents by occupation average yearly whole body doses by region, dose distributions, and variations of the average doses with time. Statistical data concerning investigations of high exposures reported by the National Dosimetry Services are tabulated in summary form

  14. Palestinian University Students Narrating Life Under Occupation

    OpenAIRE

    Phoenix, Aisha

    2016-01-01

    While Palestine is one of the most contested areas of the world, this thesis argues that the complexities of Palestinian narratives are rarely fully heard. It documents how Palestinian university students narrate their lives under occupation for a foreign audience, arguing that motivations for participating in the research affected the narratives shared. Some argued that they were resisting the illegal Israeli occupation by taking part and sharing stories designed to encourage an internationa...

  15. Dependence of saltation characteristics on bed organisation in numerical simulation

    Czech Academy of Sciences Publication Activity Database

    Kharlamova, Irina; Vlasák, Pavel

    19, 1 (2015), s. 177-184. ISSN 1226-4806 R&D Projects: GA ČR GA103/09/1718; GA ČR GAP105/10/1574 Institutional support: RVO:67985874 Keywords : saltation parameters * bed roughness * bed structure * bed load transport * armoured bed Subject RIV: BK - Fluid Dynamics Impact factor: 0.519, year: 2013 http://link.springer.com/content/pdf/10.1007%2Fs12303-014-0029-3.pdf

  16. Are tanning beds “safe”? Human studies of melanoma

    OpenAIRE

    Berwick, Marianne

    2008-01-01

    Controversy continues over the carcinogenic properties of tanning beds. The tanning industry “sells” tanning beds as a safe alternative to UV exposure for both tanning as well as vitamin D biosynthesis. But, how safe are tanning beds? Epidemiologic data – incomplete and unsatisfactory – suggests that tanning beds are not safer than solar ultraviolet radiation and that they may have independent effects from solar exposure that increase risk for melanoma.

  17. Influence of ICU-bed availability on ICU admission decisions

    OpenAIRE

    Robert, René; Coudroy, Rémi; Ragot, Stéphanie; Lesieur, Olivier; Runge, Isabelle; Souday, Vincent; Desachy, Arnaud; Gouello, Jean-Paul; Hira, Michel; Hamrouni, Mouldi; Reignier, Jean

    2015-01-01

    Background The potential influence of bed availability on triage to intensive care unit (ICU) admission is among the factors that may influence the ideal ratio of ICU beds to population: thus, high bed availability (HBA) may result in the admission of patients too well or too sick to benefit, whereas bed scarcity may result in refusal of patients likely to benefit from ICU admission. Methods Characteristics and outcomes of patient admitted in four ICUs with usual HBA, defined by admission ref...

  18. Flow Pattern Identification of Fluidized Beds Using ECT

    Institute of Scientific and Technical Information of China (English)

    S. Liu; W.Q. Yang; H. Wang; G. Yan; Z. Pan

    2001-01-01

    Electrical capacitance tomography (ECT) was applied in measuring solids distribution in square circulating fluidized beds. The fluidization conditions varied from bubbling fluidized bed to circulating fluidized bed. In the whole range of fluidization conditions, ECT was able to instantaneously provide the solids concentration and voids distributions in the fluidized beds. According to the acquired data from ECT and reconstructed image,different fluidization regimes can also be identified.

  19. FastSLAM Using Compressed Occupancy Grids

    Directory of Open Access Journals (Sweden)

    Christopher Cain

    2016-01-01

    Full Text Available Robotic vehicles working in unknown environments require the ability to determine their location while learning about obstacles located around them. In this paper a method of solving the SLAM problem that makes use of compressed occupancy grids is presented. The presented approach is an extension of the FastSLAM algorithm which stores a compressed form of the occupancy grid to reduce the amount of memory required to store the set of occupancy grids maintained by the particle filter. The performance of the algorithm is presented using experimental results obtained using a small inexpensive ground vehicle equipped with LiDAR, compass, and downward facing camera that provides the vehicle with visual odometry measurements. The presented results demonstrate that although with our approach the occupancy grid maintained by each particle uses only 40% of the data needed to store the uncompressed occupancy grid, we can still achieve almost identical results to the approach where each particle filter stores the full occupancy grid.

  20. Occupational exposures and risk of pancreatic cancer

    International Nuclear Information System (INIS)

    The objective was to analyze the relationship between occupation (and specific occupational exposures) and risk of exocrine pancreatic cancer (EPC). We conducted a multicenter hospital-based case-control study in Eastern Spain. We included 161 incident cases of EPC (59.6% men, 94 with histological confirmation, of whom 80% had ductal adenocarcinoma). Cases were frequency-matched with 455 controls by sex, age and province of residence. Information was elicited using structured questionnaires. Occupations were coded according to the Spanish version of the International Standard Classification of Occupations 1988. Occupational exposure to a selection of carcinogenic substances was assessed with the Finnish Job-Exposure Matrix (FINJEM). Odds ratios (OR) and 95% confidence intervals (CI) were estimated by multiple logistic regression, adjusting for sex, age, province, education, alcohol and smoking. A higher risk of EPC was associated with having worked as 'Miners, shotfirers, stone cutters and carvers', 'Machinery mechanics and fitters', 'Building trades workers' and 'Motor vehicle drivers' in men, 'Office Clerks' in women, and 'Waiters' in both sexes. Cases with ductal adenocarcinomas were more likely to have been exposed to chlorinated hydrocarbon solvents (OR = 4.1, 95% CI: 1.1-15.2, p-trend = 0.04). We also observed significant associations with exposure to 'synthetic polymer dust exposure' and 'ionizing radiation'. Suggestive increases in risk were observed for 'pesticides', 'diesel and gasoline engine exhaust', and 'hydrocarbon solvents'. Results support the hypothesis that occupational exposure to chlorinated hydrocarbon solvents is associated with exocrine pancreatic cancer.

  1. Occupational influences on retirement, disability, and death.

    Science.gov (United States)

    Hayward, M D; Grady, W R; Hardy, M A; Sommers, D

    1989-08-01

    This research examines the alternative mechanisms by which occupations influence the nature and timing of older men's labor force withdrawal. We specifically assess the extent to which occupational factors operate directly and indirectly on exiting events and whether occupations constrain traditional determinants of labor force participation. Based on a discrete-time hazard modeling approach, the results substantiate that the occupational task activities--substantive complexity and physical demands--are key elements of the work environment that are evaluated against nonwork alternatives. In the case of retirement, these aspects of occupational attractiveness function as a dominant and direct force in retirement decision making. With regard to disability, the occupational attribute of substantive complexity operates as an indirect advantage (through higher wages) by reducing the risk of disability. Indicators of career continuity also influence retirement among older workers. Finally, the results suggest that financial characteristics and health problems are central to the distribution of older workers across the alternative destination statuses of retirement, disability, and death. PMID:2529146

  2. Information System on Occupational Exposure: Future Developments

    International Nuclear Information System (INIS)

    In response to pressures from deregulation and from ageing of the global nuclear power plant fleet, radiation protection personnel have found that occupational exposures are best managed through proper job planning, implementation and review to ensure that exposures are 'as low as reasonably achievable'(ALARA). A prerequisite for applying the principle of optimisation to occupational radiation protection is the timely exchange of data and information on dose reduction methods. To facilitate this global approach to work management, the OECD Nuclear Energy Agency (Nea) launched the Information System on Occupational Exposure (I.S.O.E.) in 1992. The objective of I.S.O.E. is to provide a forum for radiation protection experts from both utilities and national regulatory authorities to discuss, promote and coordinate international cooperative undertakings for the radiological protection of workers at nuclear power plants.The I.S.O.E. programme offers a variety of products in the occupational exposure area, such as: the world largest database on occupational exposure from nuclear power plants, a yearly analysis of dose trends and an overview of current developments, through I.S.O.E. Annual Reports, detailed studies, analyses, and information on current issues in operational radiation protection, through I.S.O.E. Information Sheets, a system for rapid communication of radiation protection-related information, such as effective dose reduction approaches and implementation of work management principles. A forum for discussing occupational exposure management issues through I.S.O.E. workshops, symposia and newsletters. (N.C.)

  3. The Gender Pay Gap, Fringe Benefits, and Occupational Crowding.

    Science.gov (United States)

    Solberg, Eric; Laughlin, Teresa

    1995-01-01

    In estimating earnings equations for seven occupations, when fringe benefits are excluded, women receive significantly lower wages in all but the most female-dominated occupation. Including fringe benefits makes gender significant in only one occupational category. Crowding of one gender into an occupation appears the primary determinant of the…

  4. Occupational performance and satisfaction of individuals after cerebral vascular accident

    OpenAIRE

    Kátia Vanessa Pinto de Meneses; Ana Carolina dos Santos Pereira; Vanessa de Oliveira Alencar; Jeanine Schuabb Duarte

    2014-01-01

    Introduction: Scientific studies show that occupational therapy interventions with patients after cerebral vascular accident (CVA) - post-stroke patients, help them resume the performance of important meaningful tasks. Objective: To measure changes in the perception of post-stroke patients on their occupational performance and satisfaction after the intervention of occupational therapy. Methodology: An observational, longitudinal, prospective study with CVA patients treated at occupational...

  5. 27 CFR 479.32 - Special (occupational) tax rates.

    Science.gov (United States)

    2010-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 3 2010-04-01 2010-04-01 false Special (occupational) tax..., AND CERTAIN OTHER FIREARMS Special (Occupational) Taxes § 479.32 Special (occupational) tax rates. (a) Prior to January 1, 1988, the special (occupational) tax rates were as follows: Per year or...

  6. 29 CFR 570.71 - Occupations involved in agriculture.

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 3 2010-07-01 2010-07-01 false Occupations involved in agriculture. 570.71 Section 570.71... CHILD LABOR REGULATIONS, ORDERS AND STATEMENTS OF INTERPRETATION 1-Occupations in Agriculture... agriculture. (a) Findings and declarations of fact as to specific occupations. The following occupations...

  7. A Career Story Approach to Management, Business, and Financial Occupations

    Science.gov (United States)

    Brott, Pamelia E.

    2012-01-01

    Business, management, and financial occupations are found in organizations in which individuals direct activities and perform tasks related to business and finance. The career cluster includes 144 occupational titles across 57% of the 23 major Standard Occupational Classification groups, with almost half of the occupations considered "bright…

  8. Investigating Occupational Commitment and Turnover Intention Relationship with Burnout Syndrome

    OpenAIRE

    Aydem Ciftcioglu

    2011-01-01

    This study investigates burnout components impact on accountant’s occupational commitment and occupational turnover intention interaction. The data used in this study was taken from randomly selected 162 accountants who are the members of Istanbul Chambers of Certified Public Accountants (ICCPA). The results reveal that only emotional exhaustion component of burnout has partial mediating effect between affective occupational commitment and occupational turnover intention.

  9. Heat Transfer in a Fixed Biomass Char Bed

    DEFF Research Database (Denmark)

    Fjellerup, Jan Søren; Henriksen, Ulrik Birk; Glarborg, P.; Jensen, A.; Arendt, P.

    2002-01-01

    A thermal conductivity model based on the Yagi and Kunii model together with a bed model was developed to describe the thermal conductivity of a straw char bed. The bed model describes the relationship between the distance between particles and the external porosity. To verify the model, thermal ...

  10. 21 CFR 890.5170 - Powered flotation therapy bed.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Powered flotation therapy bed. 890.5170 Section 890.5170 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES... Powered flotation therapy bed. (a) Identification. A powered flotation therapy bed is a device that...

  11. Dual fluidized bed design for the fast pyrolysis of biomass

    Science.gov (United States)

    A mechanism for the transport of solids between fluidised beds in dual fluidised bed systems for the fast pyrolysis of biomass process was selected. This mechanism makes use of an overflow standpipe to transport solids from the fluidised bed used for the combustion reactions to a second fluidised be...

  12. Nanosilver – Occupational exposure limits

    Directory of Open Access Journals (Sweden)

    Anna Maria Świdwińska-Gajewska

    2015-07-01

    Full Text Available Historically, nanosilver has been known as colloidal silver composed of particles with a size below 100 nm. Silver nanoparticles are used in many technologies, creating a wide range of products. Due to antibacterial properties nanosilver is used, among others, in medical devices (wound dressings, textiles (sport clothes, socks, plastics and building materials (paints. Colloidal silver is considered by many as an ideal agent in the fight against pathogenic microorganisms, unlike antibiotics, without side effects. However, in light of toxicological research, nanosilver is not inert to the body. The inhalation of silver nanoparticles have an adverse effect mainly on the liver and lung of rats. The oxidative stress caused by reactive oxygen species is responsible for the toxicity of nanoparticles, contributing to cytotoxic and genotoxic effects. The activity of the readily oxidized nanosilver surface underlies the molecular mechanism of toxicity. This leads to the release of silver ions, a known harmful agent. Occupational exposure to silver nanoparticles may occur in the process of its manufacture, formulation and also usage during spraying, in particular. In Poland, as well as in other countries of the world, there is no separate hygiene standards applicable to nanomaterials. The present study attempts to estimate the value of MAC-TWA (maximum admissible concentration – the time-weighted average for silver – a nano-objects fraction, which amounted to 0.01 mg/m3. The authors are of the opinion that the current value of the MAC-TWA for silver metallic – inhalable fraction (0.05 mg/m3 does not provide sufficient protection against the harmful effects of silver in the form of nano-objects. Med Pr 2015;66(3:429–442

  13. Experimental modelling of outburst flood - bed interactions

    Science.gov (United States)

    Carrivick, J. L.; Xie, Z.; Sleigh, A.; Hubbard, M.

    2009-04-01

    Outburst floods are a sudden release and advancing wave of water and sediment, with a peak discharge that is often several orders of magnitude greater than perennial flows. Common outburst floods from natural sources include those from glacial and moraine-impounded lakes, freshwater dyke and levee bursts, volcanic debris dams, landslides, avalanches, coastal bay-bars, and those from tree or vegetation dams. Outburst flood hazards are regularly incorporated into risk assessments for urban, coastal and mountainous areas, for example. Outburst flood hazards are primarily due to direct impacts, caused by a frontal surge wave, from debris within a flow body, and from the mass and consistency of the flows. A number of secondary impacts also pose hazards, including widespread deposition of sediment and blocked tributary streams. It is rapid landscape change, which is achieved the mobilization and redistribution of sediment that causes one of the greatest hazards due to outburst floods. The aim of this project is therefore to parameterise hydrodynamic - sedimentary interactions in experimental outburst floods. Specifically, this project applies laboratory flume modelling, which offers a hitherto untapped opportunity for examining complex interactions between water and sediment within outburst floods. The experimental set-up is of a tradition lock-gate design with a straight 4 m long tank. Hydraulics are scaled at 1:20 froude scale and the following controls on frontal wave flow-bed interactions and hence on rapid landscape change are being investigated: 1. Pre-existing mobile sediment effects, fixed bed roughness effects, sediment concentration effects, mobile bed effects. An emphasis is being maintained on examining the downstream temporal and spatial change in physical character of the water / sediment frontal wave. Facilities are state-of-the-art with a fully-automated laser bed-profiler to measure bed elevation after a run, Seatek arrays to measure transient flow

  14. Fluidized Bed Asbestos Sampler Design and Testing

    Energy Technology Data Exchange (ETDEWEB)

    Karen E. Wright; Barry H. O' Brien

    2007-12-01

    A large number of samples are required to characterize a site contaminated with asbestos from previous mine or other industrial operations. Current methods, such as EPA Region 10’s glovebox method, or the Berman Elutriator method are time consuming and costly primarily because the equipment is difficult to decontaminate between samples. EPA desires a shorter and less costly method for characterizing soil samples for asbestos. The objective of this was to design and test a qualitative asbestos sampler that operates as a fluidized bed. The proposed sampler employs a conical spouted bed to vigorously mix the soil and separate fine particulate including asbestos fibers on filters. The filters are then analyzed using transmission electron microscopy for presence of asbestos. During initial testing of a glass prototype using ASTM 20/30 sand and clay fines as asbestos surrogates, fine particulate adhered to the sides of the glass vessel and the tubing to the collection filter – presumably due to static charge on the fine particulate. This limited the fines recovery to ~5% of the amount added to the sand surrogate. A second prototype was constructed of stainless steel, which improved fines recovery to about 10%. Fines recovery was increased to 15% by either humidifying the inlet air or introducing a voltage probe in the air space above the sample. Since this was not a substantial improvement, testing using the steel prototype proceeded without using these techniques. Final testing of the second prototype using asbestos suggests that the fluidized bed is considerably more sensitive than the Berman elutriator method. Using a sand/tremolite mixture with 0.005% tremolite, the Berman elutriator did not segregate any asbestos structures while the fluidized bed segregated an average of 11.7. The fluidized bed was also able to segregate structures in samples containing asbestos at a 0.0001% concentration, while the Berman elutriator method did not detect any fibers at this

  15. Stochastic modeling in sediment dynamics: Exner equation for planar bed incipient bed load transport conditions

    Science.gov (United States)

    Ancey, Christophe

    2010-06-01

    Even under flow equilibrium conditions, river bed topography continuously evolves with time, producing trains of irregular bed forms. The idea has recently emerged that the variability in the bed form geometry results from some randomness in sediment flux. In this paper, we address this issue by using the Exner equation and a population exchange model derived in an earlier paper. In this model, particle entrainment and deposition are idealized as population exchanges between the stream and the bed, which makes it possible to use birth-death Markov process theory to track the number of moving grains. The paper focuses on nascent bed forms on initially planar beds, a situation in which the coupling between the stream and bed is weak. In a steady state, the number of moving particles follows a negative binomial distribution. Although this probability distribution does not enter the family of heavy-tailed distributions, it may give rise to large and frequent fluctuations because the standard deviation can be much larger than the mean, a feature that is not accounted for with classic probability laws (e.g., Hamamori's law) used so far for describing bed load fluctuations. In the large-system limit, the master equation of the birth-death Markov process can be transformed into a Fokker-Planck equation. This transformation is used here to show that the number of moving particles can be described as an Ornstein-Uhlenbeck process. An important consequence is that in the long term, the number of moving particles follows a Gaussian distribution. Laboratory experiments show that this approximation is correct when the mean number per unit length of stream, ?/L, is sufficiently large (typically two particles per centimeter in our experiments). The particle number fluctuations give rise to bed elevation fluctuations, whose spectrum falls off like ω-2 in the high-frequency regime (with ω the angular frequency) and variance grows linearly with time. These features are in agreement

  16. Modeling biomass gasification in circulating fluidized beds

    Science.gov (United States)

    Miao, Qi

    In this thesis, the modeling of biomass gasification in circulating fluidized beds was studied. The hydrodynamics of a circulating fluidized bed operating on biomass particles were first investigated, both experimentally and numerically. Then a comprehensive mathematical model was presented to predict the overall performance of a 1.2 MWe biomass gasification and power generation plant. A sensitivity analysis was conducted to test its response to several gasifier operating conditions. The model was validated using the experimental results obtained from the plant and two other circulating fluidized bed biomass gasifiers (CFBBGs). Finally, an ASPEN PLUS simulation model of biomass gasification was presented based on minimization of the Gibbs free energy of the reaction system at chemical equilibrium. Hydrodynamics plays a crucial role in defining the performance of gas-solid circulating fluidized beds (CFBs). A 2-dimensional mathematical model was developed considering the hydrodynamic behavior of CFB gasifiers. In the modeling, the CFB riser was divided into two regions: a dense region at the bottom and a dilute region at the top of the riser. Kunii and Levenspiel (1991)'s model was adopted to express the vertical solids distribution with some other assumptions. Radial distributions of bed voidage were taken into account in the upper zone by using Zhang et al. (1991)'s correlation. For model validation purposes, a cold model CFB was employed, in which sawdust was transported with air as the fluidizing agent. A comprehensive mathematical model was developed to predict the overall performance of a 1.2 MWe biomass gasification and power generation demonstration plant in China. Hydrodynamics as well as chemical reaction kinetics were considered. The fluidized bed riser was divided into two distinct sections: (a) a dense region at the bottom of the bed where biomass undergoes mainly heterogeneous reactions and (b) a dilute region at the top where most of homogeneous

  17. Lawyers, City Managers, and Social Science Occupations. Reprinted from the Occupational Outlook Handbook, 1978-79 Edition.

    Science.gov (United States)

    Bureau of Labor Statistics (DOL), Washington, DC.

    Focusing on lawyers, city managers, and social science occupations, this document is one in a series of forty-one reprints from the Occupational Outlook Handbook providing current information and employment projections for individual occupations and industries through 1985. The specific occupations covered in this document include city managers,…

  18. Pneumomediastinum is a Possible Acute Complication of Severe Occupational Asthma

    OpenAIRE

    Gianna Moscato; Patrizia Pignatti; Gianni Pala

    2012-01-01

    Occupational asthma has been reported to be the most common chronic respiratory occupational disease in many developed countries, and as with other occupational lung diseases, occupational asthma is potentially preventable. We report the case of a 24-year-old baker who experienced pneumomediastinum as a consequence of workplace exposure. This is the first report of pneumomediastinum as an acute complication of occupational asthma, and it exemplarily shows that the lack of medical surveillance...

  19. Fines in fluidized bed silane pyrolysis

    Science.gov (United States)

    Hsu, G.; Hogle, R.; Rohatgi, N.; Morrison, A.

    1984-01-01

    Silicon deposition on silicon seed particles by silane pyrolysis in a fluidized-bed reactor is investigated as a low-cost, high-throughput method to produce high-purity polysilicon for solar-cell applications. Studies of fines, particles 0.1-10 microns diam, initiated from homogeneous decomposition in the reactor were conducted using 2 and 6-in-diam fluidized beds. The studies show functional dependences of fines elutriation on silane feed concentration, temperature, gas velocity, and bubble size. The observation that the fines elutriation is generally below 10 percent of the silicon-in-silane feed is attributed to scavenging by large particles in an environment of less free space for homogeneous nucleation. Preliminary results suggest that, with proper conditions and distributor design, high-silane-concentration (over 50 percent SiH4 in H2) feed may be used.

  20. Fluidized bed silicon deposition from silane

    Science.gov (United States)

    Hsu, George (Inventor); Levin, Harry (Inventor); Hogle, Richard A. (Inventor); Praturi, Ananda (Inventor); Lutwack, Ralph (Inventor)

    1984-01-01

    A process and apparatus for thermally decomposing silicon containing gas for deposition on fluidized nucleating silicon seed particles is disclosed. Silicon seed particles are produced in a secondary fluidized reactor by thermal decomposition of a silicon containing gas. The thermally produced silicon seed particles are then introduced into a primary fluidized bed reactor to form a fludized bed. Silicon containing gas is introduced into the primary reactor where it is thermally decomposed and deposited on the fluidized silicon seed particles. Silicon seed particles having the desired amount of thermally decomposed silicon product thereon are removed from the primary fluidized reactor as ultra pure silicon product. An apparatus for carrying out this process is also disclosed.