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تعداد نتایج: 2773186 فیلتر نتایج به سال:
This is a survey on Diophantine equations, with the purpose being to give the flavour of some known results on the subject and to describe a few open problems. We will come across Fermat’s last theorem and its proof by Andrew Wiles using the modularity of elliptic curves, and we will exhibit other Diophantine equations which were solved à la Wiles. We will exhibit many families of Thue equation...
Fluoresing photography has become a prominent branch in opthalmology. During the last few years, it gives us dynamic infor-of circulation of the EYE and its pathologieal disorders.By passing the fluoresein through the retinal and choroidal vessels we are able to record the different typesand stages of disease which these are not exactly diagno-sed by ophthalmoscopy and founds photography.By flu...
Knowing the population size of rare diseases or special subpopulations like injection drug users (IDUs) is one of the most important challenges in public health and health surveillance systems but it is difficult to estimate these groups. During the last few years, new methods have been suggested to estimate hidden or hard-to-reach populations, one of which is the network scale-up method (NSUM)...
damavand volcano with 5671 m height from sea level which covers 400 square km of area is the highest peak in the middle east. it is located at 50 km to the east of capital city of tehran, iran. it is in the fumarolic stage and exemplifies ongoing quaternary volcanic activity. damavan volcano was influenced by regional tectonics during its history. allenbach (1966) believed that the volcano orig...
Simultaneously with inventing the modern relativistic formalism of quantum electrodynamics, Feynman presented also a first-quantized representation of QED in terms of worldline path integrals. Although this alternative formulation has been studied over the years by many authors, only during the last fifteen years it has acquired some popularity as a computational tool. I will shortly review her...
Hepatoportal sclerosis or idiopathic portal hypertension has a worldwide distribution with prevalence in developing and temperate countries. Of 64 patients with this disease seen during a twelve year period, 36 underwent splenectomy or a shunt procedure. The indications for surgical intervention were severe hypersplenism and persistent left upper abdominal pain andlorhistory of frequent ep...
The study is focused on the public-private partnership in health sector in Sri Lanka. As a developing country, Sri Lanka faces a challenging task in order to improve the infrastructure facilities of the country after ending the thirty years of war. There is a requirement to develop the country as a whole along with all the industries such as education, health, transport, agriculture, etc. to me...
CASE HISTORY A 65-yr-old male, current smoker of .30 cigarettes?day (total smoking history 150 pack-yrs), who was working as a bus driver, presented at the Evangelismos Hospital (Athens, Greece) complaining of increasing breathlessness on exertion and dry cough during the past 2 months. He had no animal exposure and he hadn’t travelled abroad during the last few years. His medical history showe...
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