نتایج جستجو برای: روشman ray

تعداد نتایج: 302977  

Journal: :iranian journal of applied animal science 2015
f. ghanbari t. ghoorchi p. shawrang h. mansouri n.m. torbati-nejad

this research was performed to compare electron beam (eb) and gamma ray (gr) treatments at doses of 25, 50 and 75 kilo gray (kgy) on ruminal degradation kinetics and in vitro digestibility of sunflower meal (sfm). ionizing radiations of eb and gr had significant effects )p

Journal: :journal of physical & theoretical chemistry 2006
massoud rafizadeh

the synthesis of [cu3o(oac)6(h2o)3]cl.ch3oh.6h2o is described. the x-ray crystallographic study of thecomplex revealed an isosceles triangle of copper atoms with a triply bridging oxo atom nearly in the plane of thetriangle. the coordination sphere around each metal center is close to distorted octahedral and the central{cu3(μ3-o)} core is planar. every two copper atoms were connected to each o...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2012
ali benjavad talebi amin benjavad talebi

the purpose of the research was determine the effects of gamma ray on seed germination, seedling height and root length of rice (oryza sativa l. spp. indica cv. mr219) to identify the lethal dosage of the radiation. paddy seeds of mr219 were exposed to different doses of gamma radiations viz 50,100,150,200,250,300,350,400,450,500,600,700,800,900 and 1000 gy using 60co as the radiation source. t...

Journal: :مجله تحقیقات سلامت 0
جمشید آیت اللهی jamshid ayatollahi

introduction: diagnosis of tuberculosis under the national tuberculosis control program (ntcp) is based on microscopic examination of sputum. the main objective of this study was to assess the perception of physicians and patients regarding the importance of chest x-ray in diagnosing pulmonary tuberculosis with a view to suggest corrective measures. materials & methods: one hundred and eighty t...

Journal: :international journal of nanoscience and nanotechnology 2012
a. ghasemi a. m. davarpanah m. ghadiri

oxide nanoparticles of fe-co-ni were prepared in six different compositions by co-precipitation method. the as-synthesized nanoparticles were characterized by x-ray diffraction (xrd), field emission scanning electron microscope (fesem), fourier transform infrared (ft-ir) and vibrating sample magnetometer  (vsm). it was found that the nanoparticles had mean crystalline size of 30-55 nm and spher...

Journal: :emergency journal 0
anita sabzghabaei department of emergency medicine, loghmane hakim hospital, shahid beheshti university of medical sciences, tehran, iran majid shojaee department of emergency medicine, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran saeed safari department of emergency medicine, shohadaye tajrish hospital, shahid beheshti university of medical sciences, tehran, iran hamid reza hatamabadi department of emergency medicine, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran reza shirvani department of emergency medicine, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran

introduction: in cases of blunt abdominal traumas, predicting the possible intra-abdominal injuries is still a challenge for the physicians involved with these patients. therefore, this study was designed, to evaluate the accuracy of urinalysis in predicting intra-abdominal injuries. methods: patients aged 15 to 65 years with blunt abdominal trauma who were admitted to emergency departments wer...

Journal: :emergency journal 0
ali taghizadieh tuberculosis and lung disease research center, tabriz university of medical sciences, tabriz, iran alireza ala emergency medicine department, tabriz university of medical sciences, tabriz, iran farzad rahmani road traffic injury research center, tabriz university of medical sciences, tabriz, iran akbar nadi students’ research committee, tabriz university of medical sciences, tabriz, iran

introduction: chest x-ray (cxr) is the simplest diagnostic tool of community acquired pneumonia (cap), but it has some limitation. therefore, the aim of this study is comparing the diagnostic accuracy of cxr and chest ultrasonography (cus) in detection of cap. methods: in the present study, a consecutive sample of suspected patients with cap was underwent cus, cxr, and chest computed tomography...

Journal: :international journal of automotive engineering 0
honarvar gheysari babakhani haerian

shot peening applies a residual compressive stress field (rcsf) on the surface of parts. it also shifts “crack nucleation sites” to sub-surface locations. a nondestructive method of measuring the stresses, sin2ψ was utilized here and the stress values introduced to ansys software. for this purpose, uniform stress in all directions was applied on the con rod. loading on the rod in ansys had thre...

Journal: :علوم و تکنولوژی پلیمر 0
سعید داداشی سید محمد موسوی زهرا امام جمعه عبدالرسول ارومیه ای

physical, mechanical and structural properties of poly(lactic acid) (pla)-basedfilms containing different amounts of nanoclay and cellulose prepared bysolvent casting method were examined. physical properties including thickness,transparency and color did not change significantly with addition of nanoparticles to the polymer matrix. x-ray diffraction (xrd) patterns showed that pure pla has a se...

Journal: :iranian journal of radiation research 0
v. changizi department of medical physics, faculty of medicine, tehran university of medical sciences, tehran, iran m.a. oghabian department of medical physics, faculty of medicine, tehran university of medical sciences, tehran, iran s. sarkar department of medical physics, faculty of medicine, tehran university of medical sciences, tehran, iran r.d. speller department of medical physics and bioengineering, university college london, london wc1e 6ja, uk a. arab kheradmand department of medical physics, faculty of medicine, tehran university of medical sciences, tehran, iran

abstract background: coherent scattering leads to diffraction effects and especially constructive interferences. theseinterferences carry some information about the molecular structure of the tissue. as breast cancer isthe most widespread cancer in women, this project evaluated the application of small anglex-ray scattering (saxs) for differentiation between normal and cancerous breast tissues....

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