نتایج جستجو برای: o p t i m i z a t i o n

تعداد نتایج: 14486055  

Journal: :جنگل و فرآورده های چوب 0
هاجر رئیسی نافچی دانشجوی گروه علوم و صنایع چوب و کاغذ دانشکدة منابع ‏طبیعی دانشگاه تربیت مدرس، نور، ایران مجید عبدوس دانشیار گروه شیمی دانشکدة شیمی دانشگاه صنعتی امیرکبیر، تهران، ایران سعید کاظمی نجفی استاد گروه علوم و صنایع چوب و کاغذ دانشکدة منابع ‏طبیعی دانشگاه تربیت مدرس، نور، ایران رحیم محبی گرگری مربی گروه علوم و صنایع چوب و کاغذ دانشکدة منابع طبیعی دانشگاه زابل، زابل، ایران

utilization of the new compatibilizers to improve matrix/filler interface adhesion and also, nanoparticles to improve the properties of wpc products have always been of interest to researchers. in this study, the effect of oxidized polypropylene in solution phase as a comptibilizer and nanoclay particles on the physical and mechanical properties of wood fiber reinforced polypropylene composite ...

Journal: :به زراعی کشاورزی 0
محمد رفیعی الحسینی استادیار گروه زراعت، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران محمود رضا تدین دانشیار گروه زراعت، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران مرضیه مظهری کارشناس ارشد، گروه زراعت، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران

in order to evaluate the effect of different mechanical treatments (application of sulphuric acid, boiling water and flooding) on seed dormancy breaking of licorice, an experiment was carried out in randomized complete block design in 2012. moreover, a factorial scheme in rcbd was performed to assess the application of giberalic acid and potassium nitrate treatment as well as stratification and...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
علیرضا فارسی استادیار دانشگاه شهید بهشتی بهروز عبدلی دانشیار دانشگاه شهید بهشتی مریم کاویانی کارشناس ارشد دانشگاه شهید بهشتی اکرم کاویانی کارشناس ارشد دانشگاه شهید بهشتی

the purpose of this study was to investigate the effect of perceptual – motor experience on motor development quotient of fine and gross motor skills in infants. fifteen 5-8-month-old healthy infants participated randomly in this study and were divided homogenously into two groups (experimental and control) according to their age. experimental group had 36 training sessions, each session an hou...

Journal: :iranian journal of cancer prevention 0
hajar moradmand dept. of biomedical radiation engineering, amirkabir university of technology, tehran, iran saeed setayeshi dept. of biomedical radiation engineering, amirkabir university of technology, tehran, iran ali reza karimian dept. of biomedical engineering, faculty of engineering, university of isfahan, isfahan, iran mehri sirous isfahan university of medical sciences, isfahan, iran mohammad esmaeil akbari cancer research center, shahid beheshti university of medical sciences, tehran, iran

background: mammography is the primary imaging technique for detection and diagnosis of breast cancer; however, the contrast of a mammogram image is often poor, especially for dense and glandular tissues. in these cases the radiologist may miss some diagnostically important microcalcifications. in order to improve diagnosis of cancer correctly, image enhancement technology is often used to enha...

Journal: :journal of sciences, islamic republic of iran 2009
v. kumar

cancer is not just one disease, but a large group of almost one hundred diseases. its two main characteristics are uncontrolled growth of the cells in the human body and the ability of these cells to migrate from the original site and spread to distant sites. if the spread is not controlled, cancer can result in death. there has been continuous progress in the development of therapy for cancer....

Journal: :iranian journal of allergy, asthma and immunology 0
hossein ghafoori department of biology, university of guilan, rasht, iran mehrnaz rezaei department of biology, university of guilan, university campus 2, rasht, iran asadollah mohammadi department of chemistry, university of guilan, rasht, iran

the inhibition of the inducible nitric oxide synthase (inos), cyclooxygenase 2 (cox-2) and nuclear factor-κb (nf-κb) production are research targets of attract in the field of anti-inflammatory drug development. therefore, this study was designed to investigate the anti-inflammatory effects of novel thiazolidinone derivatives using a cellular model of lipopolysaccharide (lps)-stimulated murine ...

Journal: :علوم باغبانی ایران 0
بنفشه دهدشتی زاده حسین آرویی مجید عزیزی غلامحسین داوری نژاد

an investigation was conducted on the effects of vermicompost as an organic matter and a substitute for fertilizers during year 2007 in ferdowsi university of mashhad (fum). vermicompost was applied at five levels (0, 10, 25, 50, 100%) and phosphorus at two levels with 3 replications for each treatment, as a factorial based on completely randomized design for super strain b tomato cultivar. the...

Journal: :مدیریت خاک و تولید پایدار 0
علی انصوری فارغ التحصیل حسن شهقلی فارغ التحصیل حسن مکاریان عضو هیات علمی علیرضا فلاح نصرت آباد عضو هیات علمی

the plant promoting bacteria as biological fertilizers play an important role in increasing productivity and improving plant growth in stress condition. in order to evaluate the ability of plant promoting bacteria rhizobacteria on germination and growth of corn under salinity conditions, a pot experiment was conducted in factorial based on randomized complete block design with three replication...

Journal: :anatomical sciences journal 0
hossein ghanepour babol medical science university, babol, iran. mohammad mehdizadeh babol medical science university, babol, iran. ebrahim zabihi babol medical science university, babol, iran. mahdieh ghiasi stem cell laboratory, the academic center for education, culture and research, qom branch, qom, iran. mohsen sheykhhasan stem cell laboratory, the academic center for education, culture and research, qom branch, qom, iran. mitra narmashiri department of oral and maxillofacial surgery, school of dentistry, babol university of medical sciences, babol, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences)

introduction: natural biomaterials and growth factors are key factors in tissue engineering. the objective of the present study was to evaluate transforming growth factor beta 1 (tgf-β1) and curcumin on proliferation and differentiation of nasal-derived chondrocyte seeded on the fibrin glue scaffold. methods: chondrocytes were isolated from nasal samples. nasal-derived chondrocytes were seeded ...

Journal: :علوم گیاهان زراعی ایران 0
محمدهادی موسویان دانشجوی کارشناسی ارشد امیر یزدان سپاس دانشیار موسسه تحقیقات اصلاح و تهیه نهال و بذر اشکبوس امینی مربی موسسه تحقیقات اصلاح و تهیه نهال و بذر محمدرضا بی همتا استاد دانشگاه تهران محمدجواد حاجی علیان دانشجوی سابق ارشد

main objective in wheat breeding programs is to improve high yielding and stable varieties possessing desirable morpho-physiological traits. this study was conducted to determine the stability of 18 winter and facultative bread wheat genotypes. the experiments carried out in 9 experimental stations (karadj- arak- ardebil- jolgerokh- miandoab- hamedan- mashad- qazvin- khoy) using a randomized co...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید