نتایج جستجو برای: onopordum spp

تعداد نتایج: 51021  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1388

اسپور بسیاری از کپک ها قادر به کلونیزه شدن و تندش بر روی سطح خارجی اپیدرم میوه سیب می باشند. تراکم بالای اسپور و قطعات ریسه نقش مهمی در فساد این میوه دارد. این میکروارگانیسم ها تا حدود 70% از بیماری های پس از برداشت سیب (post harvest disease) را سبب می شوند. به همین دلیل، در این بررسی، کلونیزاسیون سطح سیب توسط کپک ها در میوه های جمع آوری شده از محل های عرضه در شهر تهران (تره بار) و باغ مقایسه...

Journal: :International journal of agriculture, environment and food sciences 2022

Cassida rubiginosa Muller (Coleoptera: Chrysomelidae) is a polyphagous pest and commonly distributed across the world. This species regarded as natural enemy of weeds by many researchers, while it also some cultivated plants. In this study, biological parameters C. fed on S. marianum O. boissieri (Asteraceae) were investigated.Average periods egg 5 larval stages, pre-pupa, pupa total developmen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده مهندسی فناوریهای نوین 1392

پلاسمون پلاریتون های سطحی (spp) برانگیختگی الکترومغناطیس در مرز میان دو صفحه ی فلز و دی الکتریک هستند. تمرکز اصلی در حوزه ی spp بر محدود کردن میدان اطراف نانو ذرات و ذرات کوچکتر از طول موج بوده ولی به تازگی ارتباط بازه ی فرکانسی تراهرتز و spp مورد توجه قرار گرفته است. در بازه ی تراهرتز فلز به صورت رسانای ایده آل فرض می شود زیرا فرکانس پلاسما در اطراف ماوراء بنفش است بنابراین spp در فرکانس تراهر...

Journal: :iranian journal of public health 0
kh hazrati tappeh mj gharavi k makhdoumi m rahbar a taghizadeh

transplanted and hemodialysis patients are frequently affected by parasitic diseases such as cryptosporidiosis. cryptosporidium is a parasite causing self-limited diarrhea and enteritis in healthy individuals. the presence of cryptosporidium infection was studied in three groups including 87 renal transplant patients, 103 hemodialysis patients, and 60 healthy individuals as the control group. t...

Journal: :iranian journal of veterinary research 2006
m. ghorbanpoor m. r. seyfiabad shapouri s. goraninejad e. jalali

definitive diagnosis of brucellosis is made by isolation of the causative agents, which is a timeconsumingprocedure. to evaluate the efficacy of dot-elisa for detecting brucellae in clinical samples, 94different specimens taken from animal origin were cultured on brucella selective culture media and colonieswere identified biochemically. the specimens were also examined after centrifugation by ...

Journal: :archives of clinical infectious diseases 0
masoud mardani infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran yazdanali faghani infectious disease specialist, faculty of medicine, islamic azad university, tehran, ir iran mahdi tabarraee hematology and oncology center taleghani hospital, shahid beheshti university of medical sciences, tehran, ir iran sara abolghasemi infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran; infectious diseases and tropical medical research center, shahid beheshti university of medical sciences, tehran, ir iran. tel/fax: +98-9113548867

conclusions current study revealed that a. flavus was the most common isolated pathogen. moreover, a. fumigatus was the second common isolated pathogen in patients with ifs. additionally, the hospital construction was an important environmental risk factor for acquisition of infection in patients with hematological malignancy. the most common season for ifs incidence was summer. additionally, t...

2011
Elisabeth Fritz Johannes Saukel

Numerous species of the Asteraceae, the composites, are famous for their use in both traditional and conventional medicine. Reliable anatomical descriptions of these plants and of possible adulterations provide a basis for fast identification and cheap purity controls of respective medicinal drugs by means of light microscopy. Nevertheless, detailed comparative studies on root and rhizome anato...

Journal: :The American naturalist 2006
Stephen P Ellner Mark Rees

Matrix projection models occupy a central role in population and conservation biology. Matrix models divide a population into discrete classes, even if the structuring trait exhibits continuous variation (e.g., body size). The integral projection model (IPM) avoids discrete classes and potential artifacts from arbitrary class divisions, facilitates parsimonious modeling based on smooth relation...

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