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PubMed Journals Articles About "Global Radiation Shielding Market Research Report Forecast 2017" RSS

12:26 EST 10th December 2018 | BioPortfolio

Global Radiation Shielding Market Research Report Forecast 2017 PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Global Radiation Shielding Market Research Report Forecast 2017 articles that have been published worldwide.

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Showing "Global Radiation Shielding Market Research Report Forecast 2017" PubMed Articles 1–25 of 42,000+

The American Society for Radiation Oncology 2017 Radiation Oncologist Workforce Study.

To report the American Society for Radiation Oncology (ASTRO) 2017 radiation oncologist (RO) workforce survey results; identify demographic, technology utilization, and employment trends; and assess the profession's ability to meet patients' needs, offer job satisfaction and attract high-caliber trainees.


Long-term neutron radiation levels in distressed concrete biological shielding walls.

Neutron radiation can deteriorate mechanical properties of the concrete materials, and thus it is questionable that neutron transport properties of concrete can remain unchanged during the life span of biological shielding walls. one-speed neutron diffusion equation and heat conduction equation were used as governing equations for prediction of neutron radiation and thermal field in concrete, respectively. The potential variations of transport properties due to neutron radiation and elevated temperature wer...

Global, regional, and national age-sex-specific mortality for 282 causes of death in 195 countries and territories, 1980-2017: a systematic analysis for the Global Burden of Disease Study 2017.

Global development goals increasingly rely on country-specific estimates for benchmarking a nation's progress. To meet this need, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2016 estimated global, regional, national, and, for selected locations, subnational cause-specific mortality beginning in the year 1980. Here we report an update to that study, making use of newly available data and improved methods. GBD 2017 provides a comprehensive assessment of cause-specific mortality for 2...


Radiation safety analysis for the A-BNCT facility in Korea.

A Proton Accelerator based Boron Neutron Capture Therapy (A-BNCT) facility is under development in Korea. Neutron beams for treatment are produced from a beryllium (Be) target and an 8 mA, 10 MeV proton beam. The purpose of the research is a radiation shielding analysis and an activation analysis for the facility design satisfying the radiation safety requirements as well as obtaining an operating license for the radiation facility according to a domestic nuclear commissioning procedure. The radiation s...

The mathematics of market timing.

Market timing is an investment technique that tries to continuously switch investment into assets forecast to have better returns. What is the likelihood of having a successful market timing strategy? With an emphasis on modeling simplicity, I calculate the feasible set of market timing portfolios using index mutual fund data for perfectly timed (by hindsight) all or nothing quarterly switching between two asset classes, US stocks and bonds over the time period 1993-2017. The historical optimal timing path ...

Graphene-based plastic absorber for total sub-terahertz radiation shielding.

Increasing the requirements on telecommunications systems such as the need for higher data rates and connectivity via the Internet of things results in continuously increasing amounts of electromagnetic radiation in ever-higher telecommunications bands (up to terahertz). This can generate unwanted electromagnetic radiation that can affect the operation of electronic devices and human health. Here, we demonstrate that nonconductive and lightweight, graphene-based composites can shield more than 99.99% of the...

Utilization of a web-based conferencing platform to improve global radiation oncology education and quality-proof of principle through implementation in India.

Chartrounds (www.chartrounds.com) is a free web-based platform for radiation oncologists to review cases with leading disease-site experts. Chartrounds has been well-utilized in the US since 2010 and is now expanding internationally. A dedicated site for India (ind.chartrounds.com) was launched in June 2017. Herein, we report our initial experience with this initiative and demonstrate that an online platform for radiation oncology case review and education can be successfully implemented globally with utili...

Improving quality of care and timely access to radiation therapy for patients with invasive cervical cancer at the National Cancer Institute Paraguay.

The purpose of this report is to describe the interventions implemented between 2012 and 2017 at the National Cancer Institute Paraguay (NCI Paraguay) to improve treatment quality and efficiency for patients with cervical cancer, with an emphasis on radiation quality and access. The NCI Paraguay requested collaboration with Health Volunteers Overseas (HVO), an international volunteer organization, to improve the care of patients with cervical cancer. This report is based on site visits to NCI Paraguay by HV...

Evaluation of dosimetric properties of shielding disk used in intraoperative electron radiotherapy: A Monte Carlo study.

A shielding disk is used for IOERT procedures to absorb radiation behind the target and protect underlying healthy tissues. Setup variation of shielding disk can affect the corresponding in-vivo dose distribution. In this study, the changes of dosimetric parameters due to the disk setup variations is evaluated using EGSnrc Monte Carlo (MC) code. The results can help treatment team to decide about the level of accuracy in the setup procedure and delivered dose to the target volume during IOERT.

Bibliometric analysis of global publications in medication adherence (1900-2017).

Medication non-adherence is a worldwide problem. The aim of this study was to assess the global research output, research trends and topics that shaped medication adherence research.

Verification of the TrueBeam Head Shielding Model in Varian VirtuaLinac via Out-of-field Doses.

A good Monte Carlo model with an accurate head shielding model is important in estimating the long term risks of unwanted radiation exposure during radiation therapy. The aim of this paper is to validate the Monte Carlo simulation of a TrueBeam linear accelerator (linac) head shielding model. We approach this by evaluating the accuracy of out-of-field dose predictions at extended distances which are comprised of scatter from within the patient and treatment head leakage and thus reflect the accuracy of the ...

Human Skin-inspired Electronic Sensor Skin with Electromagnetic Interference Shielding for the Sensation and Protection of Wearable Electronics.

Increasingly serious electromagnetic radiation pollution puts higher demands on wearable devices. Electronic sensor skin capable of shielding electromagnetic radiation can provide extra protection in emerging fields such as electronic skins, robotics and artificial intelligence, but combining the sensation and electromagnetic shielding performance together remains a great challenge. Here, inspired by the structure and functions of human skin, a multifunctional electronic skin (M-E-skin) with both tactile se...

Neutron flux measurements on a mock-up of a storage cask for high-level nuclear waste using 2.5 MeV neutrons.

To store and dispose spent nuclear fuel, shielding casks are employed to reduce the emitted radiation. To evaluate the exposure of employees handling such casks, Monte Carlo radiation transport codes can be employed. Nevertheless, to assess the reliability of these codes and nuclear data, experimental checks are required. In this study, a neutron generator (NG) producing neutrons of 2.5 MeV was employed to simulate neutrons produced in spent nuclear fuel. Different configurations of shielding layers of stee...

Radiation Protection Around High-intensity Laser Interactions with Solid Targets.

Interaction of a high-intensity optical laser with a solid target can generate an ionizing radiation hazard in the form of high-energy "hot" electrons and bremsstrahlung, resulting from hot electrons interacting with the target itself and the surrounding target chamber. Previous studies have characterized the bremsstrahlung dose yields generated by such interactions for lasers in the range of 10 to 10 W cm using particle-in-cell code EPOCH and Monte Carlo code FLUKA. In this paper, electron measurements bas...

Investigation of bismuth borate glass system modified with barium for structural and gamma-ray shielding properties.

In the present paper, transparent and non-toxic BiO-BO glasses doped with BaO have been prepared by the authors which may replace the standard radiation shielding concretes and lead based commercial glasses for gamma ray shielding applications. The effects of BaO on the structural and optical properties of the prepared glass system have been investigated by Raman, FTIR and UV-Visible techniques. It has been observed that barium plays the role of a modifier and it is responsible for conversion of triangular ...

Optimization of radioactive sources to achieve the highest precision in three-phase flow meters using Jaya algorithm.

Gamma ray source has very important role in precision of multi-phase flow metering. In this study, different combination of gamma ray sources ((Ba-Cs), (Ba-Co), (Am-Cs), (Am-Co), (Ba-Am) and (Co-Cs)) were investigated in order to optimize the three-phase flow meter. Three phases were water, oil and gas and the regime was considered annular. The required data was numerically generated using MCNP-X code which is a Monte-Carlo code. Indeed, the present study devotes to forecast the volume fractions in the annu...

Compact shielding and irradiator design of a Cf neutron source.

New developments are under way to reduce the weight and volume of neutron shielding structures using multi-layered materials. The present study aimed at designing and simulating an appropriate neutron shielding material based on a Cf source using MCNPX code. The proposed design is composed of concentric cylinders and sphere layers with a source. The shielding matter consists of paraffin and paraffin +10% graphite as a moderator, beryllium as a reflector and multiplier and boron carbide and lead tungsten as ...

The social issue in the BRICS Project.

BRICS, the acronym for Brazil, Russia, India, China and South Africa, is the first multilateral group created and run by non-western developed countries. The group aims to influence world geopolitics and market based on the right of developing and emerging countries to participate equitably in development. The social issue lies at the core of the group's justifications to achieve its goals. In this regard, this paper aims to analyze how the social issue has been addressed by BRICS. The methodology was based...

Global Routine Vaccination Coverage - 2017.

Endorsed by the World Health Assembly in 2012, the Global Vaccine Action Plan 2011-2020 (GVAP) (1) calls on all countries to reach ≥90% national coverage with all vaccines in the country's national immunization schedule by 2020. This report updates previous reports (2,3) and presents global, regional, and national vaccination coverage estimates and trends as of 2017. It also describes the number of infants surviving to age 1 year (surviving infants) who did not receive the third dose of diphtheria and tet...

Analysis of global stock index data during crisis period via complex network approach.

Considerable research has been done on the complex stock market, however, there is very little systematic work on the impact of crisis on global stock markets. For filling in these gaps, we propose a complex network method, which analyzes the effects of the 2008 global financial crisis on global main stock index from 2005 to 2010. Firstly, we construct three weighted networks. The physics-derived technique of minimum spanning tree is utilized to investigate the networks of three stages. Regional clustering ...

Recent Advances in Drug Development and Regulatory Science in China.

As the second largest pharmaceutical market with a great potential for future growth, China has drawn much attention from the global pharmaceutical community. With an increasing government investment in biomedical research, the domestic biopharmaceutical (biotechnological) companies in China are turning their attention to the development of innovative medicines and targeting the global market. To introduce innovative products to Chinese patients sooner, to improve the efficiency of its review and approval p...

BIODOSIMETRY AND BIODOSIMETRY NETWORKS FOR MANAGING RADIATION EMERGENCY.

Biological dosimetry enables individual dose reconstruction in the case of unclear or inconsistent radiation exposure situations, especially when a direct measurement of ionizing radiation is not or is no longer possible. To be prepared for large-scale radiological incidents, networking between well-trained laboratories has been identified as a useful approach for provision of the fast and trustworthy dose assessments needed in such circumstances. To this end, various biodosimetry laboratories worldwide hav...

NCRP Program Area Committee 7: Radiation Education, Risk Communication, Outreach, and Policy.

In 2013, the National Council on Radiation Protection and Measurements (NCRP) established Program Area Committee 7 (PAC 7) to develop projects and provide guidance on "Radiation Education, Risk Communication, Outreach, and Policy." In 2017, the Committee transitioned to new leadership, the membership was updated, and the purpose, goals, and near-term objectives for PAC 7 were reviewed. Building on the foundation created when the PAC was founded, three near-term action items were identified: (1) to include a...

Global Emergency Medicine: A review of the literature from 2017.

The Global Emergency Medicine Literature Review (GEMLR) conducts an annual search of peer-reviewed and gray literature relevant to global emergency medicine (EM) to identify, review, and disseminate the most important new research in this field to a global audience of academics and clinical practitioners.

Breast Cancer Research in the Caribbean: Analysis of Reports From 1975 to 2017.

Breast cancer is among the leading causes of death resulting from cancer in Caribbean women. Studies examining exogenous and genetically predetermined endogenous risk factors are critical to define breast cancer susceptibility in Caribbean women. The purpose of this systematic review is to assess the existing scientific literature in the last 42 years (1975 to 2017) to describe the body of research generated for the population of this region and determine future research directions.


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