نتایج جستجو برای: field irradiation
تعداد نتایج: 847392 فیلتر نتایج به سال:
The charging and levitation of particles using UV irradiation in an upward electric field were investigated. Glass beads with a mass median diameter 61 μm used for the experiments. particle layers formed on glass plate irradiated by light wavelengths ranging from 240 to 400 nm. top layer positively charged photoemission levitated electrostatic forces. fluxes motions analyzed digital proc...
An appropriate radiation source is essential in studies of tissue response in animal models. This paper reports on the evaluation and commissioning of a new irradiator suitable for studies using small animals or cell culture. The Faxitron is a 160-kVp x-ray machine that was adapted from an x-ray imaging unit through modifications to facilitate experimental irradiation. The x-ray unit is housed ...
The ability of bacteriophage to persist in the phyllosphere for extended periods is limited by many factors, including sunlight irradiation, especially in the UV zone, temperature, desiccation, and exposure to copper bactericides. The effects of these factors on persistence of phage and formulated phage (phage mixed with skim milk) were evaluated. In field studies, copper caused significant pha...
BACKGROUND In cervical postoperative radiotherapy, the target volume is usually the same as the extension of the previous dissection. We evaluated a protocol of selective irradiation according to the risk estimated for each dissected lymph node level. METHODS Eighty patients with oral/oropharyngeal cancer were included in this prospective clinical study between 2005 and 2008. Patients underwe...
BACKGROUND Since there is high local failure and poor survival for unresectable esophageal squamous cell carcinoma (ESCC), the necessity of elective node irradiation is controversial. The purpose of this study was to investigate the failure patterns and survival in patients with locally advanced ESCC receiving involved-field irradiation (IFI). METHODS A retrospective study was preformed on th...
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