نتایج جستجو برای: diffusion

تعداد نتایج: 163312  

Journal: :ecopersia 0
masoud jafari shalamzari ph.d. candidate, gorgan university of agricultural sciences and natural resources, gorgan, iran vahed berdi sheikh associate professor, gorgan university of agricultural sciences and natural resources, gorgan, iran amir saadodin associate professor, gorgan university of agricultural sciences and natural resources, gorgan, iran ahmad abedi sarvestani assistant professor, gorgan university of agricultural sciences and natural resources, gorgan, iran

this study tries to make a distinction between factors affecting adopters and non-adopters of domestic rainwater harvesting (drwh) in golestan province, iran. in order to better comprehend the differences, nine dimensions were considered in this study, including (1) social background (including respondents’ demographics, water sources, issues in accessing water sources, primary awareness of the...

ژورنال: :فصلنامه علوم پزشکی دانشگاه آزاد اسلامی واحد پزشکی تهران 0
زهره ملکی zohreh maleki department of pathology, tehran university of medical sciencesتهران، بیمارستان امام خمینی (ره)، آزمایشگاه ولی عصر (عج) صغری انجرانی soghra anjarani tehran university of medical sciencesتهران،بیمارستان امام خمینی (ره)، آزمایشگاه ولی عصر (عج

سابقه و هدف: استافیلوکوک اورئوس یکی از مهم ترین عفونت های بیمارستانی می باشد که روز به روز بر مقاومت آنتی بیوتیکی آن به گروه بتالاکتام و وانکومایسین افزوده می شود. در این مطالعه ضمن بررسی فراوانی سوش های استافیلوک اورئوس بیمارستانی مقاوم به اگزاسیلین و وانکومایسین، میزان همخوانی دو روش disk diffusion و e test در تعیین حساسیت آنتی بیوتیکی مورد بررسی قرار گرفت.روش بررسی: در این مطالعه مقطعی، 100ن...

Journal: :iranian journal of radiology 0
yeliz pekcevik department of radiology, tepecik training and research hospital, izmir, turkey; department of radiology, tepecik training and research hospital, izmir, turkey. tel: +90-2324696969, fax: +90-2324330756 mehmet onur kahya department of radiology, tepecik training and research hospital, izmir, turkey ahmet kaya department of orthopaedic surgery, tepecik training and research hospital, izmir, turkey

conclusion our preliminary results have shown that although there is some overlap between benign and malignant tumors, adding dwi, mr imaging to routine soft tissue tumor protocols may improve diagnostic accuracy. results there was only one patient with a malignant cystic tumor and was not included in the statistical analysis. the median adc values of benign and malignant tumors were 2.31 ± 1.2...

Journal: :iranian journal of parasitology 0
ghr karimi dept. of parasitology, razi vaccine and serum research institute, tehran, iran m abdigoudarzi dept. of parasitology, razi vaccine and serum research institute, tehran, iran m valizadeh dept. of parasitology, razi vaccine and serum research institute, tehran, iran h miranzadeh dept. of parasitology, razi vaccine and serum research institute, tehran, iran

background: ornithobilharziosis as one of the parasitic infections may give rise to serious economic problems in animal husbandry. the aim of the study was to prepare and compare the somatic and excretory-secretory (es) antigens of o. tur­kestanicum in gel diffusion test. methods: excretory-secretory (es) and somatic antigens of ornithobilharzia turkestanicum were prepared from collected worms ...

Journal: :journal of computational applied mechanics 0
mathew moore mechanical engineering department, university of alberta, canada alidad amirfazli mechanical engineering department, york university, canada seyed farshid chini mechanical engineering department, university of tehran

evaporation of micro-liter drops from solid surfaces at room condition is mainly governed by diffusion. therefore, there should be no difference between evaporation rate of sessile and pendant drops. however, some studies indicate a difference and explain the difference using buoyancy. the objective here is to reconcile the inconsistency in the literature. for that, first, by comparing two iden...

Journal: :iranian journal of pathology 2008
fatemeh mahjoub mohammad taghi haghi ashtiani seyed kamal aboutorabi setareh mamishi farhad asgari

background and objective: reliable methods of detection of antimicrobial resistance are of paramount importance in the treatment and management of infections caused by coagulase negative staphylococci (cons). the objective of the present study was to compare and evaluate the performance of disc diffusion and e test (epsilometer test) methods for antimicrobial testing of coagulase negative staph...

Journal: :international journal of iron & steel society of iran 2008
s. r. hosseini f. ashrafizadeh

diffusion of nitrogen in plasma nitrided iron and structural evolution during the nitriding process were evaluated by several characterization techniques including optical microscopy (om), microhardness depth profiling (hdp), scanning electron microscopy (sem), x-ray diffraction (xrd), glow discharge optical emission spectroscopy (gdoes), and secondary ion mass spectroscopy (sims). plasma nitri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1387

چکیده ندارد.

Journal: :avicenna journal of phytomedicine 0
mahmuda nasrin department of pharmacy jahangirnagar university pritesh ranjan dash department of pharmacy, brac university mohammad shawkat ali department of pharmacy, brac university

objectives: grewia paniculata (family: malvaceae) has been used to treat inflammation, respiratory disorders and fever. it is additionally employed for other health conditions including colds, diarrhea and as an insecticide in bangladesh. the aim of the present study was to investigate the antibacterial and cytotoxic activities of different extracts of grewia paniculata. materials and methods: ...

Journal: :bulletin of the iranian mathematical society 0
e. kazemi isfahan university of technology, isfahan, iran

we derive error estimates in the appropriate norms, for the streamlinediffusion (sd) finite element methods for steady state, energy dependent,fermi equation in three space dimensions. these estimates yield optimal convergencerates due to the maximal available regularity of the exact solution.high order sd method together with implicit integration are used. the formulationis strongly consistent...

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