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In the treatment of superficial lesions with 8-13 MeV electrons, lead shields are often used to protect the underlying tissue. Measurements were made with film and ion chamber to analyse various aspects of external and internal shielding in electron beam therapy. Data were obtained on the thickness of lead required for shielding, the effect of blocking on dose-rate, electron-backscattering from...

The purpose of this study was to investigate the relationship between stock futures fall risk with non-transparent financial reporting at three levels of size, efficiency and return on equity, in the period 2010 to 2014 was in Tehran Stock Exchange. The population of the study are all companies listed in Tehran Stock Exchange. Data collected and calculated by using Excel software Eviews 7 been ...

conclusions our results validate that telephonic confirmation of clinic appointment plays a significant role in reducing the nar in paediatric out-patient clinic setting. patients and methods nar was reviewed for 6 months (february-july 2013) and compared with the nar for similar duration in 2014 (before and after implementation of telephone reminders). within 2014 data, comparison was also mad...

A new stunt nematode, from soil around the roots of coconut (Cocos nucifera L.) and rice (Oryza sativa L.) from Karachi, Pakistan, is described and illustrated as Tylenchorhynchus qasimii n. sp. This new species is characterized by having females with 3-4 head annules, anteriorly directed stylet knobs, absence of post anal extension, presence of rounded sperm filled spermatheca and conoid to bl...

The common assumption in potato virus epidemiology is that all daughter tubers produced by plants coming from infected mother tubers (secondary infection) will become infected via systemic translocation of the virus during growth. We hypothesize that depending on the prevalent environmental conditions, only a portion of the daughter tubers of a plant that is secondarily infected by viruses may ...

Fu-Guo Deng, Hong-Yu Zhou, and Gui Lu Long † 1 The Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University, Beijing 100875, China 2 Institute of Low Energy Nuclear Physics, and Department of Material Science and Engineering, Beijing Normal University, Beijing 100875, China 3 Beijing Radiation Center, Beijing 100875, China 4 Key Laboratory ...

From the ‡Skirball Institute of Biomolecular Medicine and Department of Cell Biology, New York University School of Medicine, New York, New York 10012, the §New York Structural Biology Center, New York, New York 10027, U410 INSERM, Faculté de Medicine Xavier Bichat, 16 rue Henri Huchard, B.P. 416, 75870 Paris cedex 18, France, **URA CNRS 2096 and SBPM/DBCM, CEA Saclay, 91191 Gif-sur-Yvette cede...

Intestinal contents were collected from wild-caught African dwarf crocodiles (Osteolaemus tetraspis) in 1993 and 1995 which were slaughtered at urban markets in the Congo Republic. The samples were kept frozen and brought back to Onderstepoort for aerobic culture. Out of 29 specimens, 33 species of bacteria and 20 species of fungi were isolated. The bacteria included three isolates of Salmonell...