نتایج جستجو برای: microwave lens
تعداد نتایج: 101197 فیلتر نتایج به سال:
Background: Microwave Thermotherapy has been gradually used in radiotherapy and it is reported that microwave radiation increases bone demineralization rate independently of temperature. Furthermore, it becomes more and more widespread that the damage caused by the synergistic effect of microwave radiation and hypergravity. The experiment was designed to investigate the effect of microwa...
With the development of science and technology, microwave has been used in many fields such as industry, military, medicine and communication. People are living in a lapped and dynamic electromagnetic environment. Concerns about potential hazards of microwave are getting increasing attentions. The single biological effects of microwave were widely discussed which was considered harmful. Relevan...
Introduction: The study of the cause of death during the last few decades has shown that death due to infectious diseases has been declining and has been rising due to noninvasive diseases, especially cancers and accidents. Cancer is considered as one of the fatal diseases, and every year, more than 10.9 million people worldwide are diagnosed with the disease. Mater...
Introduction: Consumption of morphine, during pregnancy, in addition to inducing defects in the mother’s nervous system function, caused defects or delays in the formation and evolution of embryonic visual system. In the present study, changes in lens development were assessed in embryos exposed to morphine in utero. Methods: Female Wistar rats (250-300 g) were mated with male rats and pregnanc...
Background: It has been estimated that 67 million people worldwide are affected with a primary glaucoma and that one-third have primary angle closure glaucoma. We aimed to determine the biometric differences between the eyes of patients with acute attack of primary angle closure and their non-involved fellow eyes. Methods: Twenty eight patients with acute attack of primary angle closure were re...
Background: Due to the increase of public concern about the physical and psychological effects of radiation on the health of cell phone users, the present study aimed to determine public exposure to microwave propagation from current cell phones in different user conditions. Methods: In this cross-sectional study, the effective intensity of microwave radiation from cell phone were measured...
Microwave dyeing was carried out under a variety of conditions in terms of the power and time of a microwave to investigate the effects of microwaving on the dyeability of acrylic fibers. It was found that the dyeability of acrylic fibers were significantly improved under microwave irradiation caused by the increased adsorption of the dye into fibers due to the local over heating and an amplifi...
introduction: in cases of poor satisfaction with aphakic glasses and intolerant or reluctant to use contact lenses, secondary intraocular lens (iol) implantation provide an alternative aphakic vision correction. this study aimed to evaluate surgical problems. intraoperative and postoperative complications and visual acuity outcomes of secondary anterior and posterior chamber intraocular lens i...
Background: Alopecia areata is a patchy hair loss that may occur in any hair bearing area on the body. There are many reports of ocular abnormalities such as lens and retinal changes in alopecia areata. Objective: To evaluate ocular alterations in alopecia areata with regard to the lens and retina. Patients & Methods: Seventy three patients with alopecia areata including 34 males and 39 f...
background: the biological solids produced during wastewater treatment processes are called sludge. as sludge contains various sickening microorganisms such as pathogens, organic and inorganic substances and has adverse effects on human and environment, therefore it should be treated and processed entirely prior to disposal and then disposed in line to the environmental regulations. thermal tre...
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