نتایج جستجو برای: نانوساختار c a s h
تعداد نتایج: 13821208 فیلتر نتایج به سال:
stress and mental health at the place of work have received great attention by researchers. in spite of technology improvement in high-tech systems, the operators face new problems, which can affect mental health. there is hardly any published research about stress or mental health in such workplaces in developing countries. this paper presents the application of the self-rating scale general h...
effects of different k/ca ratios on the growth, yield and physiological characteristics in galia (cucumis melo var. reticulatus l. naud. cv. galia) grown in hydroponics were evaluated. the experiment was arranged in a completely randomized design of three replicates. melon seeds were sown in a medium containing perlite and vermiculite (3:1 v:v) and then irrigated with water containing different...
in order to achieve a sustainable management and development of natural resources, a set of technical, eco-social, environmental and ecological criteria must be considered in the planning process. an appropriate model is therefore needed to address all the criteria mentioned above, in the decision making process and finally provide a reliable result. in the last few years, analytical hierarchic...
background: herpes simplex virus (hsv) type 1 and 2 are common infectious agents worldwide. data on prevalence of hsv-1 and hsv-2 infection are limited in asia, especially in iran. the aim of this study was to determine the seroprevalence of hsv type 1 and 2 based on age, gender, marital status, education, living area, job, symptoms and history of disease variables. methods: the study populatio...
background accurate and rapid diagnosis of bacterial arthritis is not always possible in unvaccinated (streptococcus pneumoniae and haemophilus influenzae type b) children in iran. objectives searching the staphylococcal superantigen (entrotoxin a, b, c and tsst1) in synovial fluid of cases with inflammatory arthritis. patients and methods this cross sectional study was implemented in the pedia...
o ’ / 89’9 ’ ’ – 0# ek 56 ?’m, f’ #’ # h )4hu$ # *1*6 # l 56 7 .(6 $ 1( 3 ’&; ,!$ 3 s!, 1( / # *1*6 #tq qr 02 c #l+6 l> ?’ ’,3 2’ c ’ ’4$ / 3 ( q6 .2 #l ; $ #’ ’ ’ ’ – ’ .2 c * )!^ # # *. #&.g$ 2n . 2’ #l ; j* esk s 0/ j$ [ .& .c ’ #’_ ’1*6 ’4 )’4hu$ ’ 2’ #’l v’g, ’( ’* #’g*l, ’+3
summary based on the results of the analysis of site effects, mostly those with shear wave velocity and the fundamental period chosen as the basis for classification. in revision of earthquake resistant design regulations for buildings, classification of lands should be subject to the field conditions, geological, geotechnical, geophysical, and laboratory tests.in this context, the average shea...
in order to study the effects of four concentrations (check, 5, 10 and 15%) of hull extracts on growth of 10 iranian rice cultivars, two experiments were conducted in completely randomized block design with factorial arrangement and three replications at two sites, laboratory and greenhouse. laboratory study showed that same rice hull extracts had stimulat effects and the others had inhibitory ...
فرض کنید c یک زیر مجموعه محدب و بسته در فضای هیلبرت حقیقی h باشد و t یک تابع غیر قابل بسط از c به خود آن باشد، همچنین فرض کنید a نیز یک تابع یکنوای قوی ? معکوس از c به h بوده وb عملگر یکنوای ماکسیمال در h باشد ، به طوری که دامنه b در c قرار گیرد .در این پایان نامه قصد داریم یک روش تکراری را برای یافتن یک نقطه از مجموعه ی f(t) ? (b+ a)-1 0 ارائه دهیم . در اینجا (f(t مجموعه نقاط ثابت t و0 1-(َa+b...
the intensive use of antimicrobial agents worldwide for prophylactic and therapeutic purposes has been associated with increase of bacterial resistance in the exposed microbial environment. oxytetracycline is the most frequently used antibacterial in the cold water fish industry because of its broad spectrum of activity and low cost. aeromonas hydrophila and other motile aeromonads are among th...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید