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Dose attenuation in intensity-modulated radiotherapy and volumetric modulated arc therapy caused by different treatment couches

Ni Qianxi, Wong Peifong, Zhang Jiutang, Chen Ni

Abstract: Purpose: This study aimed to analyze the dose attenuation caused by four kinds of commonly used commercial treatment couches (Elekta iBEAM evo Couch, Varian Exact Couch (Standard Couch), Varian Exact IGRT Couch, and BrainLAB imaging Couch) in IMRT and VMAT. Method: Six patients with prostate cancer were planned with both [...] Read more.

Abstract References PDF (291 K) July 15, 2019 14 Downloads 54 Views

Open Access

Parallel Active Filtering based on a three –phase multicell converter

Emmanuel Yofo, Philippe Djondiné

Abstract: The energy issues related to the quality of the distribution of electrical energy require the development of active filtering devices of electrical networks. By injecting a current in phase opposition with the harmonics of the load (disruptive currents), the active power filter makes it possible to improve the quality of th [...] Read more.

Abstract References PDF (1294 K) July 15, 2019 16 Downloads 44 Views

Open Access

VANADIUM AND ITS MAIN INDUSTRY: A REVIEW AND THE RESOURCE POTENTIAL IN CANADA

Mehmet F. Taner, Maria Skyllas-Kazacos, Patrick Houle

Abstract: Vanadium is a strategic metal which is widely utilized in a variety of applications; (i) 63% in the production of high-quality metal alloys such as high-strength steel engineered for pipeline and commercial rebar applications (ii) 24% in the titanium-aluminum-vanadium alloys produced for the aerospace industry; and (iii) 13 [...] Read more.

Abstract References PDF (2248 K) July 15, 2019 15 Downloads 52 Views

Open Access

Research on Evaluation Method of Cultivated Land Quality Rating Based on GIS

Yang Jianbo, Li Minghui, Wang Li, weng Jinpan

Abstract: Accurate and scientific assessment of cultivated land quality is of great significance for controlling the production efficiency of cultivated land and finely managing cultivated land resources. Taking Luyi County as an example, this paper uses 20164 arable map spots as the grading unit, combining quantitative and qualitati [...] Read more.

Abstract References PDF (2784 K) July 15, 2019 7 Downloads 33 Views

Open Access

Identifying the sources of non-point source pollution: Research progress and emerging challenges – A review

Are K. S.

Abstract: Soil erosion remains a major threat to sustainable agricultural production and environment. More recent studies have highlighted the role of soil erosion in soil, water and environmental degradation. Many authors, in their research efforts, identified fertilizers and other agricultural inputs as the major driving forces of [...] Read more.

Abstract References PDF (246 K) July 15, 2019 10 Downloads 39 Views

Open Access

The Influence of Investors’ Sentiments to Trading Volumes and Stock Returns with Information Uncertainty

Fang-Ming Hsu, Chien-Ho Liao, Qian-Feng Liu

Abstract: Earning profit is always the paramount issue for investors. Many factors have been proved to affect stock returns, although information uncertainty is rarely discussed. This study examines how the effect of investors’ sentiments on stock returns and trading volumes is moderated by information uncertainty. Text mining techno [...] Read more.

Abstract References PDF (421 K) July 15, 2019 13 Downloads 41 Views

Open Access

Sloshing in compound cylindrically-conical reservoirs

Strelnikova E., Sirenko V., Gnitko V., Degtyarev K., Naumenko Yu.

Abstract: The issue of vibrations of fluid-filled compound shells is considered. The shell is supposed to be consisted of cylindrical and conical parts. The liquid is ideal and incompressible, and its motion is potential. The fluid pressure acting on the wetted shell surface is obtained from the linearized Bernoulli’s equation for a [...] Read more.

Abstract References PDF (454 K) July 15, 2019 15 Downloads 40 Views

Open Access

Effects of heavy doping and impurity size on minority-carrier transport parameters in heavily (lightly) n(p)-type crystalline silicon at 300K, applied to determine the performance of n^+-p junction solar cells, by H. Van Cong, P. Blaise, and O. Henri-Rousseau

H. Van Cong, P. Blaise, O. Henri-Rousseau

Abstract: The effects of heavy doping and donor (acceptor) size on the hole (electron)-minority saturation current density J_Eo (J_Bo ), injected respectively into the heavily (lightly) doped crystalline silicon (Si) emitter (base) region of n^+-p junction, which can be applied to determine the performance of solar cells, being stron [...] Read more.

Abstract References PDF (1289 K) July 15, 2019 8 Downloads 56 Views

Open Access

Acupuncture treatment in patient with hyperthyroidism

Blagica Arsovska, Jihe Zhu, Kristina Kozovska

Abstract: Hyperthyroidism is one of the most common thyroid disorders and the most common cause of hyperthyroidism, as the thyroid secretes excessive amount of the hormone thyroxine. In these patients, serum TSH is below the lower limit (often unmeasurable), and the free T4 and/or free T3 are elevated. Hyperthyroidism mostly occurs a [...] Read more.

Abstract References PDF (147 K) July 15, 2019 7 Downloads 33 Views

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Article

Structural-parametric models of electromagnetoelastic actuators for nano- and micromanipulators of mechatronic systems

by Sergey M. Afonin

SCIREA Journal of Mechanics

3573 Downloads 19334 Views

Article