نتایج جستجو برای: s i l i c a

تعداد نتایج: 14200971  

Journal: :تحقیقات آب و خاک ایران 0
سولماز کاظم علیلو دانشجوی کارشناسی ارشد گروه علوم خاک دانشگاه ارومیه میرحسن رسولی صدقیانی عضو هیئت علمی گروه علوم خاک دانشگاه ارومیه

cadmium effects on soil microbial indices and on the interaction of arbuscular mycorrhiza fungi (amf) and as well on plant growth promoting rhizobacteria (pgpr) were investigated. the experiments were performed in the framework of a factorial design with levels of cadmium (0, 10, 30 and 100 mg kg-1 soil), and microbial inoculations (control, pgpr and amf) employing russian kanapweed as the expe...

Journal: :آمایش سرزمین 0
ناصر احمدی ثانی استادیار، دانشکده کشاورزی و منابع طبیعی دانشگاه آزاد اسلامی واحد مهاباد ساسان بابایی کفاکی استادیار دانشکده کشاورزی و منابع طبیعی دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران اسدالله متاجی دانشیار، دانشکده کشاورزی و منابع طبیعی دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران

zagros forests are a treasure of various valuable species of oak in iran and the world. long-term misuse in the past has caused severe degradation in the zagros forests. recently these forests have become national but misuses by local people to make living because of poverty and unemployment are continued. in order to reduce degradation and improve sustainability, ecological capability for exte...

Journal: :international journal of reproductive biomedicine 0
teresa liliana wargasetia nurhalim shahib djamhoer martaadisoebrata diah dhianawaty bethy hernowo

background: the pathogenesis of gestational trophoblastic disease (gtd) is not clearly known. objective: in this study, immunoexpression of proteins bcl-2 and beclin-1 in trophoblastic lesions and normal trophoblastic tissue was conducted to study the mechanism of apoptotic and autophagic cell death that is expected to complete the study of gtd pathogenesis. materials and methods: bcl-2 and bec...

Journal: :iranian journal of basic medical sciences 0
mojtaba dolatshahi physiology research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. department of physiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran yaghoob farbood physiology research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. department of physiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran alireza sarkaki physiology research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. department of physiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran seyed mohammad taqhi mansouri physiology research center, ahvaz jundishapur university of medical sciences, ahvaz, iran department of pharmacology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran ali khodadadi petroleum and environmental pollutants research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. department of immunology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran

objective(s):parkinson's disease (pd) is known for motor impairments. but often, there are non-motor symptoms such as cognitive deficiency and pain misperception, owing to possible role of nigrostriatal pathway. antioxidants have protective effect on free radical-induced neuronal damage in pd. to further address, we examined the effects of ellagic acid (ea) in a rat model of pd induced by ...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
جهانشیر امینی دانشیار گروه گیاه پزشکی، دانشکدۀ کشاورزی، دانشگاه کردستان ساسان فیضی دانشجوی کارشناسی ارشد، گروه گیاه پزشکی، دانشکدۀ کشاورزی، دانشگاه کردستان سهیلا میرزایی استادیار گروه گیاه پزشکی، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا همدان

in this research, the ability of bacillus strains in suppression of mycelial growth and conidial germination of b. cinerea against botrytis fruit rot of strawberry were evaluated in three cultivars of strawberry including quineliza, paros and kurdistan. results indicated that among 32 strains of bacillus, ten strains showed strong inhibitory effects against b. cinerea using the plate assay and ...

Journal: :فرآوری و نگهداری مواد غذایی 0
محبوبه حیدری دانشجو/دانشگاه علوم کشاورزی و منابع طبیعی گرگان مهران اعلمی هیئت علمی/دانشگاه علوم کشاورزی و منابع طبیعی گرگان مهدی کاشانی نژاد هیئت علمی/دانشگاه علوم کشاورزی ومنابع طبیعی گرگان سهیل امیری عقدائی مربی/دانشگاه غیرانتفاعی بهاران گرگان

the aim of this research was to survey of using soy protein isolates and tragacanth gum as egg substitutes in mayonnaise formulation. the mayonnaise prepared with difierent compositions of soy protein isolate, egg, and tragacanth by applying the optimal mixture design method and effect of this substitution on its stability, heat stability, viscosity, texture, physicochemical and sensory charact...

Journal: :دانش گیاه پزشکی ایران 0
فاطمه حمزه وی دانشجوی سابق کارشناسی ارشد دانشکده کشاورزی دانشگاه تربیت مدرس، تهران سعید محرمی پور دانشیار دانشکده کشاورزی دانشگاه تربیت مدرس، تهران علی اصغر طالبی دانشیار دانشکده کشاورزی دانشگاه تربیت مدرس، تهران

eucalyptus camaldulensis dehnh and callistemon viminalis (gaertn) essential oils were tested against adults (1-3 day old) of tribolium confusum jacquelin du val. in 280 ml glass vials either with or devoid of wheat grains. the oils were also examined for fumigant toxicity against, 5 and 20-day-old larvae. the essential oils were obtained through hydrodistillation, applying a modified clevenger ...

Journal: :journal of research in rehabilitation sciences 0
فریبا محمودی طلیعه ظریفیان یلدا کاظمی طاهره سیما شیرازی yalda kazemi fariba mahmoodi

abstract introduction: standardized tests in speech therapy mostly focus onlanguage structure rather than the use of language in social context. so, there is a clear need for instruments to assess pragmatic aspects of language. children’s communicationchecklist (ccc) and its revised version, ccc-2, was developed to address this need, however, its psychometric features are unknown in iran. the c...

Journal: :journal of medical education 0
s hasanzadeh salmasi

background:     purpose:     methods     results     th percentile for the score was 41.66 and the 75   th percentile was 58.68. conclusion

Journal: :iranian journal of catalysis 2015
krishnamoorthy aswin majid ghashang sheik mansoor

a new and efficient method has been developed for the synthesis of 4-aryl-7-benzylidene-1,3,4,5,6,7-hexahydro-2h-cyclopenta[d]pyrimidin-2-ones through biginelli-like reaction of cyclopentanone, with urea/thiourea and aromatic aldehyde employing p-dodecylbenzenesulfonic acid (dbsa) as a recyclable catalyst under solvent-free condition. the recovered catalyst was recycled for further runs. the pr...

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