نتایج جستجو برای: radioactive hazard release

تعداد نتایج: 297977  

2016
Catherine DeBrosse Ravi Prakash Reddy Nanga Puneet Bagga Kavindra Nath Mohammad Haris Francesco Marincola Mitchell D. Schnall Hari Hariharan Ravinder Reddy

The original version of this Article contained an error in the title of the paper, where " Lactate Chemical Exchange Saturation Transfer (LATEST) Imaging in vivo: A Biomarker for LDH Activity " was incorrectly given as " Lactate Chemical Exchange Saturation Transfer (LATEST) Imaging in vivo A Biomarker for LDH Activity ". This has now been corrected in the PDF and HTML versions of the Article. ...

K. Kant, M. Garg, N. Gupta, R. Gupta, R. Kumari,

Background: Vegetation (food stuff) is grown in soil that contains many radioactive elements such as 238U (uranium), 232Th (thorium) and 40K (potassium), which may get deposited either due to radioactive fallout or/and by absorption from the soil and can pose serious health hazards. Materials and Methods: Natural radioactivity, radiological hazards and annual effective dose assessment was carri...

2017
Julian Blagg Paul Workman

Small-molecule chemical probes or tools have become progressively more important in recent years as valuable reagents to investigate fundamental biological mechanisms and processes causing disease, including cancer. Chemical probes have also achieved greater prominence alongside complementary biological reagents for target validation in drug discovery. However, there is evidence of widespread c...

2017

Development of facile synthesis strategies for high-quality lanthanidedoped upconversion nanoparticles with controlled composition, crystalline phase, shape, and size is crucial in tuning their chemical and optical properties and exploring their potential applications in diverse fields. This chapter focuses primarily on the formation mechanism of the crystallization (including nucleation and gr...

Journal: :Emergency medicine journal : EMJ 2004
I W F Crawford K Mackway-Jones D R Russell S D Carley

OBJECTIVE To achieve consensus in all phases of chemical incident planning and response. DESIGN A three round Delphi study was conducted using a panel of 39 experts from specialties involved in the management of chemical incidents. Areas that did not reach consensus in the Delphi study were presented as synopsis statements for discussion in four syndicate groups at a conference hosted by the ...

Journal: :علوم و تکنولوژی پلیمر 0
سعید بختیاری لیلا تقی اکبری مهدی باریکانی

reaction to fire of fire-retarded rigid pur foams and two types of metal faced rigid polyurethane foam core sandwich panel was evaluated by using cone calorimeter test method. the tests were carried out in various radiative heat fluxes from 15 to 75 kw/m2. the radiation rate effect on reaction to fire parameters, including time to ignition (tti), peak of heat release rate (prhr), total heat rel...

2016
A. Shafe S.M.J. Mortazavi A. Joharnia Gh.H. Safaeyan

Accidental or intentional release of radioactive materials into the living or working environment may cause radioactive contamination. In nuclear medicine departments, radioactive contamination is usually due to radionuclides which emit high energy gamma photons and particles. These radionuclides have a broad range of energies and penetration capabilities. Rapid detection of radioactive contami...

Journal: :Angewandte Chemie 2014
Diego Solis-Ibarra Hemamala I Karunadasa

The tools of synthetic chemistry allow us to fine-tune the reactivity of molecules at a level of precision not yet accessible with inorganic solids. We have investigated hybrids that couple molecules to the superior thermal and mechanical properties of solids. Herein we present, to the best of our knowledge, the first demonstration of reactivity between hybrid perovskites and substrates. Reacti...

Journal: :Journal of environmental radioactivity 2003
Douglas R Hazell Matthew H England

We investigate the release of radioactive contaminants from Moruroa Atoll in a global high-resolution off-line model. The spread of tracer is studied in a series of simulations with varying release depths and time-scales, and into ocean velocity fields corresponding to long-term annual mean, seasonal, and interannually varying scenarios. In the instantaneous surface release scenarios we find th...

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