Xem 1-20 trên 48 kết quả Screening problems
  • Whether your screener scalps, removes fines, or grades material, the machine’s failure can have costly consequences. A torn or otherwise compromised screen can force you to reprocess material, scrap it, or even recall off-spec product. This article will present some of the common causes of such screen problems and possible solutions

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  • Simulation and the Monte Carlo Method, Second Edition reflects the latest developments in the field and presents a fully updated and comprehensive account of the major topics that have emerged in Monte Carlo simulation since the publication of the classic First Edition over twenty-five years ago.

    pdf377p chipmoon 19-07-2012 53 22   Download

  • You know the feeling, sure you do. You sit with your elbows propped against your desk, staring intently at your computer screen. You've been doing this for some time now, and soon enough, you feel it. That tense, grinding feeling beginning to built in your temples. You rub them with your fingers and you let out a long, tired sigh…. Windows XP has got you again.

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  • Concept of User Interface The user interface is the part of the system that you see, hear and feel (look and feel) Other parts of the system are hidden to you, for instance the database where information is stored. Although users don’t see the hidden parts, they imagine to some extent what is going on ’behind the screen’. Examples When you use a computer, you give it orders, usually by means of the mouse and the keyboard. The computer replies, usually by showing something on the screen or making sounds.

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  • Screening for cervical cancer with cervical cytology reduced the incidence of cervical cancer by more than 50% over the past 30 years in the United States [8]. However, it is estimated that 50% of the women in whom cervical cancer is diagnosed each year will have never had cervical cytology testing [8]. One approach for further reducing the incidence and the mortality of cervical cancer would be to increase the screening rates among groups of women at highest risk, who currently are not being screened.

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  • TV commercials for tobacco also came under fire. When th were barred by Congress in 1972, cigarette makers started talkin about how to exploit the movies in a more systematic way, usin Hollywood to position their brands in the global marketplace.

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  • Sometimes, especially during or soon after treatment, you may not feel like eating. You may be uncomfortable or tired. You may find that foods do not taste as good as they used to. In addition, the side effects of treatment (such as poor appetite, nausea, vomiting, or mouth sores) can make it hard to eat well. Your doctor, a registered dietitian, or another health care provider can suggest ways to deal with these problems. Also, the NCI booklet Eating Hints for Cancer Patients has many useful ideas and recipes. Page 46 tells how to get NCI booklets.

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  • Colorectal cancer (CRC) represents a major public health problem worldwide. Fortunately most CRCs originate from a precursor lesion, the adenoma, which is accessible and removable. This is the rationale for CRC screening programs, which are aimed to diagnose CRC at an early stage or even better to detect and resect the advanced adenoma before CRC has developed. In this background colonoscopy emerges as the main tool to achieve these goals with recent evidence supporting its role in CRC prevention....

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  • Sexual dysfunction is one of the most common conditions seen in a primary care provider’s office. Large surveys indicate that one fourth or more of patients report sexual distress or dysfunction. Yet the diagnosis is rarely made, even though most patients who have a sexual problem report that they wish their physician would ask about it. Why do physicians not uncover sexual problems? Many physicians state that they do not know what to do when they uncover a sexual problem.

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  • The current RSS distribution architecture, in which all clients periodically poll a central server, has band- width requirements that scale linearly with the number of subscribers. We believe that this architecture has little hope of sustaining the phenomenal growth of RSS [10], and that a distributed approach is needed. The proper- ties of peer-to-peer (p2p) overlays are a natural fit for this problem domain: p2p multicast systems scale log- arithmically and should support millions of participat- ing nodes.

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  • The constraints of limited infrastructure and resources in most developing countries and the low level of awareness of opportunities for preventing the disease stimulated the formation in 1999 of the international Alliance for Cervical Cancer Prevention (ACCP), with funding from the Bill & Melinda Gates Foundation. The purposes of the ACCP are to develop and evaluate innovative approaches in order to reach more women at high risk of cervical cancer with effective and feasible screening and treatment services and to persuade policymakers and program managers to make it a priority.

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  • The exposure-response function (quantitative variation of a health outcome per unit of pollutant load) was derived by a meta-analytical assessment of various (international) studies selected from the peer-reviewed epidemiological literature. The effect estimate (gradient) was calculated as the variance weighted average across the results of all studies included in the meta-analysis. In this project, the impact of air pollution on mortality is based on the long-term effect.

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  • Bangladesh has no organized screening program, but recently the government decided to expand opportunistic VIA screening, making it one of the first countries to introduce VIA for its national cervical cancer screening program. 13 A report on this program14 announced that more than 100,000 women over 30 years of age had been screened, with a VIA positivity rate of less than 5 percent—a very low rate, which was attributed to extensive training and to the predominantly Muslim population. ...

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  • Advice from the Health Education Board for Scotland (now NHS Health Scotland) is that light, occasional drinking during pregnancy (one or two units once or twice a week) is not likely to do any harm.78 Heavy drinking is associated with miscarriage, and sometimes with serious effects on the baby’s development.78 Some authorities recommend complete abstinence during pregnancy (the US National Institute on Alcohol Abuse and Alcoholism: http://www.niaaa.nih.gov/publications/brochure.htm). Two studies have been identified which looked at brief interventions in the antenatal setting.

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  • Early identification of developmental and mental health issues in young children is essential for preventing more serious social, emotional and behavioral health disorders. Policymakers can promote the creation of statewide standards and strategies for identifying—in medical, childcare, school and community settings—the developmental needs of young children and developing appropriate interventions. Early childhood screening, with proven tools, is a critical investment, particularly for Medicaid programs as part of EPSDT.

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  • Although mobile devices, cellular phones, Personal Digital Assistants (PDAs) and other handheld devices have hardware constraints such as small screen, small storage, low CPU speed, and low resolution, their popularity has been enormously increasing. This is enhancing the opportunities for researchers to overcome those open problems caused of small size hardware constraints. However, still the biggest difficulty is that these devices are too difficult to load today’s visual information because most current information is based on a large visual documentation.

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  • It’s fun to uncover something that you aren’t supposed to know about— many software applications and movies on DVD contain what are known as “easter eggs.” However, imagine finding something that you aren’t supposed to find that turns out to be useful and informative. In this chapter, we are going to hunt for GPS easter eggs, delving into the secrets that lie behind the standard menus on your GPS unit to find useful features and diagnostic screens that can give you information about your system and troubleshoot problems that you might have.

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  • minimize the risk of noncompliance with export control laws. Export Management and Compliance Program Defined An EMCP includes both the operational export compliance policies and procedures an organization implements and a written set of guidelines that captures those policies and procedures.

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  • QUANTITATIVE SECTION 37 QUESTIONS • 75 MINUTES Directions for Problem Solving Questions: (These directions will appear on your screen before your first Problem Solving question.) Solve this problem and indicate the best of the answer choices given. Numbers: All numbers used are real numbers. Figures: A figure accompanying a Problem Solving question is intended to provide information useful in solving the problem. Figures are drawn as accurately as possible EXCEPT when it is stated in a specific problem that its figure is not drawn to scale. Straight lines may sometimes appear jagged.

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  • Despite massive efforts in drug discovery fueled by combinatory chemistry, recombinant DNA technology, and highthroughput screening, surprisingly few molecules make it through the drug development process. While the reasons are debated, it is certain that many new chemical entities (NCEs) suffer from recurring problems that hinder development— low water solubility, instability, or inadequate pharmacokinetics. An estimated 43% of NCEs are poorly water-soluble.

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