نتایج جستجو برای: 3d conformal
تعداد نتایج: 209316 فیلتر نتایج به سال:
This class reviews new functionality in Autodesk Simulation Moldflow Insight software and discusses recent and current research directions of Moldflow development. We cover the following capabilities: viscoelastic warp calculations, improved wall slip calculations, the influence of mold deflection, ejection force predictions, analysis of mold fatigue, flow imbalances (airflow), 3D compression m...
ID: 18137 Title: Treatment of Multiple Brain Metastases Using Stereotactic Radiosurgery with Single-Isocenter Volumetric Modulated Arc Therapy: Comparison with Conventional Dynamic Conformal Arc and Static Beam Stereotactic Radiosurgery Purpose: To investigate the treatment of multiple brain metastases using stereotactic radiosurgery with single-isocenter volumetric modulated arc therapy (VMAT)...
Technological advances in radiation beam planning and linear accelerator based radiation delivery have led to the development of three dimensional conformal radiation therapy (3D-CRT). The 3D-CRT clinical treatment in our hospital was started in September 1998 and till December 2002, 51 patients with M(0) stage prostate carcinoma were treated. Treatment method consisted of pelvis and leg immobi...
PURPOSE Tomotherapy for intensity-modulated radiation has been demonstrated to reduce unnecessary irradiations to adjacent organs at risk (OARs). The purpose of this study was to compare the dosimetric parameters between Tomotherapy and three-dimensional conformal radiotherapy (3D-CRT) in rectal cancer patients. MATERIALS AND METHODS We redesigned three-dimensional conformal plans for 20 rect...
The Vero4DRT (MHI-TM2000) is a newly designed unique image-guided radiotherapy system consisting of an O-ring gantry. This system can realize a new irradiation technique in which both the gantry head and O-ring continuously and simultaneously rotate around the inner circumference of the O-ring and the vertical axis of the O-ring, respectively, during irradiation. This technique creates three-di...
Objective: To compare and analyse the effect of 3D intensity-modulated radiation therapy and 3D conformal radiation therapy concurrently combined with chemotherapy for stage III (staging of tumor node metastasis) non-small cell lung cancer. Methods: A total of 100 patients with stage III non-small cell lung cancer who were treated in our hospital from May 2015 to July 2016 were selected as the ...
Background: To evaluate the dosimetric difference between conventional and three-dimensional conformal Radiotherapy (3D-CRT) using 6 and 18 MV X-ray photons. Materials and Methods: Computed tomography scans of 26 pelvic patients were acquired and transferred to the 3D treatment planning system. For each patient, 8 Conventional plans (3, 4, 5 and 6 Fields) and one 3D-CRT plan were prep...
It is known that the chiral part of any 2d conformal field theory defines a 3d topological quantum field theory: quantum states of this TQFT are the CFT conformal blocks. The main aim of this paper is to show that a similar CFT/TQFT relation exists also for the full CFT. The 3d topological theory that arises is a certain “square” of the chiral TQFT. Such topological theories were studied by Tur...
Conformal polymer coating leads to damage-tolerant architected ceramic structures with high strength and toughness.
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