monte carlo simulation of medical linear accelerators in radiotherapy

Ngày tải lên: 10/09/2015, 15:49

... acids in the plasmin molecule, the amidolytic activity of two truncated plasmin variants was examined (Fig 8) Miniplasmin (des-kringle 1-4 plasmin) contains the kringle and the catalytic domain of ... changes of fibrin architecture during fibrin formation and intrinsic fibrinolysis of fibrin-rich clots J Biol Chem 278, 21331–21335 16 Schneider M & Nesheim M (2004) A study of the protection of plasmin ... Comparison of three models for the catalytic action of plasmin in the presence of stearate The p-nitroaniline (P) released in the course of hydrolysis of 40 lM Spectrozyme-PL by 20 nM plasmin in the...

Ngày tải lên: 18/02/2014, 17:20

... dissipated in the various materials or escaped out of the physical space included in the model For the interaction in the detector volume, MCNP4C2 produces a tally of the number of events in each ... detector’s active part Monte- Carlo modeling allows to take into consideration all these corrections during computation In this paper, the modeling calculation of peak efficiencies of the hyperpure ... provide an input file containing the information involved to the cross-section library and the description of the physical geometry of the source, detector, and other materials as well as of the...

Ngày tải lên: 13/02/2014, 04:20

... of mm) is placed in well of the crystal The drawing of the detector is shown in Figure and its simulation using MCNP (having adding block of Pb shielded near, front of the crystal) is shown in ... scintillation crystal of Yap(Ce) having outer diameter of 60 mm, inner diameter of 15 mm, thickness of mm, and aluminum incident window with thickness of 0.3 mm, and a photomultiplier working ... before conducting experiments In addition, the results of this research have also been very useful in training staffs and students in the field of application of nuclear technique in industry Acknowledgments...

Ngày tải lên: 22/03/2014, 11:20

... of mm) is placed in well of the crystal The drawing of the detector is shown in Figure and its simulation using MCNP (having adding block of Pb shielded near, front of the crystal) is shown in ... scintillation crystal of Yap(Ce) having outer diameter of 60 mm, inner diameter of 15 mm, thickness of mm, and aluminum incident window with thickness of 0.3 mm, and a photomultiplier working ... before conducting experiments In addition, the results of this research have also been very useful in training staffs and students in the field of application of nuclear technique in industry Acknowledgments...

Ngày tải lên: 21/07/2014, 16:21

Ngày tải lên: 09/09/2015, 10:16

Ngày tải lên: 14/09/2015, 14:06

Ngày tải lên: 16/10/2015, 15:35

... higher than routine incidentreporting systems but without requiring substantial investments of additional resources Moreover, the direct involvement of clinicians in the detection of patient safety ... Page of (page number not for citation purposes) Many academic centers are increasingly recognizing engagement in quality improvement as a distinct career pathway [15] Involving such physicians in ... incidence of adverse events among hospital patients in Canada CMAJ 2004, 170:1678-1686 Committee on Quality of Health Care in America, Institute of Medicine: To Err Is Human: Building a Safer...

Ngày tải lên: 25/10/2012, 10:06

... Care Resources (ARCCCR) maintains a database recording information on critical care resources, including the timing of introduction of METs In addition, ANZICS maintains an Adult Patient Database ... projects to be undertaken using the information contained within the database Assessment on timing of introduction of MET service We obtained information from a database maintained by the ANZICS ARCCCR ... surveys of ICU resources and activity The information related to the timing of commencement of an MET into hospitals in ANZ which were not involved in the MERIT study [10] Hospitals in this database...

Ngày tải lên: 25/10/2012, 10:35

... commissioning a Monte Carlo based radiotherapy tool for dosimetric calculation typically requires either direct simulation of the medical linear accelerator treatment head and recording of the phase ... Carlo radiotherapy calculation attainable by clinics of modest technical and human resources, as 1) its use requires no particular knowledge of Monte Carlo and 2) commissioning requires at minimum ... 50% of maximum points on the profile δ2: for points in the high dose gradient region of the penumbra of primary axis profiles, the displacement of isodose curves along the x (y) direction In this...

Ngày tải lên: 03/11/2012, 10:05

... important in the examination of images of breasts, this results in higher performance of PAM Using expert elicitation in the absence of clinical data, prior distributions of the range of sensitivity ... adoptions of new medical technologies, for example by indicating the potential clinical outcome This information can be used to indicate cost-effectiveness to inform reimbursement of funding of medical ... same data of PAM II was presented for each individual radiologist First the medical device, PAM, was introduced Then uncertainty of obtaining information regarding the clinical outcome in an early...

Ngày tải lên: 20/02/2014, 16:20

... also outlines the uses of Monte Carlo simulation in other disciplines and in the field of project management Finally, it discusses the pros and cons of Monte Carlo simulation applications in project ... managing project risks and uncertainties O verview of Monte Carlo simulation Brief history of Monte Carlo simulation The Monte Carlo simulation encompasses “any technique of statistical sampling ... Application of Monte Carlo simulation in project management Review of Monte Carlo simulation applications in project management Monte Carlo simulation, while not yet widely used in project management,...

Ngày tải lên: 23/03/2014, 04:21

... How did Monte Carlo simulation get its name? Monte Carlo simulation was named for Monte Carlo, Monaco, where the primary attractions are casinos containing games of chance Games of chance such ... that you can analyze This is where Monte Carlo simulation comes in handy WHAT IS MONTE CARLO SIMULATION? What we mean by "simulation? " When we use the word simulation, we refer to any analytical ... range of values but an uncertain value for any particular time or event (e.g interest rates, staffing needs, stock prices, inventory, phone calls per minute) Modifying the uncertain variables in...

Ngày tải lên: 08/04/2014, 12:08

... overseas Chinese scholars, and the Key Laboratory Opening Funding (HIT.KLOF.2009039) Author details School of Energy Science & Engineering, Harbin Institute of Technology, Harbin 150001, China 2Institute ... conductivity ratio of alumina-water nanofluids Nada et al [10] investigated the heat transfer enhancement in a horizontal annuli of nanofluid containing various volume fractions of Cu, Ag, Al2O3, ... transfer of CuO-water nanofluid in an inclined enclosure Hwang et al [14] theoretically investigated the natural convection thermal characteristics of Al2O3-water nanofluid in a rectangular cavity...

Ngày tải lên: 21/06/2014, 05:20

... antenna spacings Δ through nonlinear relationships The first problem we tackle is that of finding the set of optimal spacings Δ that minimizes the average (with respect to fading) interference ... , in Figure 6, for setting B In this case, the optimal linear minimum length array consists, as obtained by both optimization criteria, by uniform 2.2 λ spaced antennas Optimal design of linear ... Gaussian noise In Figure 1, the first ring of interference is denoted by shaded cells The problem we tackle is that of finding the antenna spacings in vector Δ = [Δ12 Δ23 ]T (as shown in the example)...

Ngày tải lên: 22/06/2014, 19:20

... occurring during kiln-drying of wood In this example, this application has been chosen to illustrate the capabilites of simulation of deformation development When interest is focused on studying ... describes numerical simulation of deformation in wood during drying and other environmental loading Finite element simulations give valuable information on the importance of different material ... and cracking in drying timber In: IUFRO/5.02 TimberEngineering Meeting New Brunswick, Canada Wormuth EW (1993) Study of the relation between flatwise and edgewise modulus of elasticity of sawn...

Ngày tải lên: 08/08/2014, 18:21

Ngày tải lên: 11/08/2014, 12:20

Ngày tải lên: 13/08/2014, 11:22