نتایج جستجو برای: conomurex persicus

تعداد نتایج: 824  

ژورنال: :زیست شناسی ایران 0

با توجه به طولانی بودن سن بلوغ در تاسماهیان و نیز به دلیل عدم وجود تفاوتهای مورفولوژیک بین ماهیان نر و ماده حتی در ماهیان مولد، تشخیص جنسیت در این گروه از ماهیان با مشکلاتی همراه است. در این تحقیق بر اساس تکنیک aflp و با استفاده از 100 جفت ترکیب پرایمر، ژنوم 10 نمونه ماهی نر و 10 نمونه ماهی ماده تاسماهی ایرانی در حوضه جنوبی دریای خزر مورد بررسی قرار گرفت. بررسی حدود 3771 باند که 1132 باند آن پل...

B. Mojazi Amiri M. Pourkazemi S.M. Hadi Alavi,

A study on motility of spermatozoa of the Persian sturgeon, Acipenser persicus were carried out. The time of relative cessation of sperm activity was evaluated using microscopic observation. Sperm was activated with three different swimming medium, freshwater pH 7.5, and two different buffered saline solutions, pH 7.5. Total period of the motility of A. persicus spermatozoa was shorter in fresh...

Platelet aggregation inhibitory effect and anticoagulant properties of fractions separated from the venoms of Cerastes persicus fieldi and Echis carinatus were investigated. The partial fractionation was performed on a Sephadex G-100 column. Two fractions separated from Cerastes persicus fieldi showed anti platelet aggregation activity on ADP (200 µM)-induced platelet aggregation (ca 80% inhibi...

Journal: :iranian journal of basic medical sciences 0
saeid goodarzi department of pharmacognosy, faculty of pharmacy and medicinal plant research center, tehran university of medical sciences, tehran, iran abbas hadjiakhoondi department of pharmacognosy, faculty of pharmacy and medicinal plant research center, tehran university of medical sciences, tehran, iran narguess yassa department of pharmacognosy, faculty of pharmacy and medicinal plant research center, tehran university of medical sciences, tehran, iran mahnaz khanavi department of pharmacognosy, faculty of pharmacy and medicinal plant research center, tehran university of medical sciences, tehran, iran zahra tofighi department of pharmacognosy, faculty of pharmacy and medicinal plant research center, tehran university of medical sciences, tehran, iran

objective(s):astrodaucus persicus, apiaceae, is used as vegetable or food additive in some parts of iran. the essential oils of different parts of astrodaucus persicus from kordestan province were analyzed for the first time and compared with other regions. in this study, antioxidant activities and total phenols determination of aerial parts essential oils and root fractions of a. persicus were...

Journal: :caspian journal of environmental sciences 2011
m. khoshkholgh m. pourkazemi s. nazari l. azizzadeh pormehr

the persian sturgeon, acipenser persicus (borodin, 1897), is an economically important species, which mainly inhabits the caspian sea. however, little is known about its population genetic structure. in this study, variation in nucleotide sequences of the mitochondrial dna (mtdna) control region of wild stock persian sturgeon was determined to assess the genetic diversity among different natura...

Journal: :veterinary research forum 2012
ali asadi rad hossein najafzadeh-varzi ahmad farajzadeh-sheikh

extract of echinops persicus is traditionally used for a long time in iran for treatment of cough and constipation. this extract is produced by activity of bug (situphilus spp.) on the plant. we documented its anti-tussive effect in rats in our previous study.the aim of this study was to assess the anti-ulcer effect of echinops persicus in an animal model. in this study we evaluated anti-ulcer ...

ژورنال: :فصلنامه علوم و مهندسی محیط زیست 2010
رضا رمضانی جمشید درویش حاجی قلی کمی مهران حریری

phrynocephalus persicus   یکی از مارمولک های خانواده agamidae است که در فلات ایران و نیز اراضی نیمه بیابانی قفقاز و آذربایجان پراکندگی دارد و زیستگاه آن را اراضی بازنیمه بیابانی شنی با پوشش گیاهی پراکنده تشکیل می دهد . پراکندگی phrynocephalus persicus در فلات مرکزی ایران محدود به نیمه غربی فلات بوده و با رشته کوه های پیرامون فلات محدود می شود. بر اساس مطالعه ای که در خصوص فون مارمولک های استان ...

ژورنال: :پژوهش های ماهی شناسی کاربردی 0
مهتاب یارمحمدی mahtab yarmohammadi محمد پورکاظمی mohammad pourkazemi رضوان اله کاظمی rezvanollah kazemi حمیدرضا پورعلی فشتمی hamid reza pouralifashtami محمد علی یزدانی ساداتی mohammad ali yazdanisadati هوشنگ یگانه hoshang yeganeh

در این تحقیق اثر گرسنگی روی عملکرد رشد، انسولین و متابولیت های سرم خون جهت بررسی مکانیسم رشد جبرانی در بچه تاس ماهی ایرانی (acipenser persicus) با وزن متوسط 0/28± 108/06 گرم به مدت 8 هفته مورد بررسی قرار گرفت. این مطالعه در قالب یک طرح کاملاً تصادفی با پنج گروه آزمایشی، در سه تکرار شامل گروه کنترل (بدون دوره محرومیت غذایی) و تیمارهای یک (1w)، دو (2w)، سه (3w) و چهار هفته (4w) گرسنگی و چهار هفته ...

Journal: :caspian journal of enviromental sciences 0

the effect of starvation and re-feeding was investigated on growth, hematology and biochemical parameters in juvenile persian sturgeon (acipenser persicus). three hundred and seventyfive fish (108±0.63 g) were divided into five feeding groups. the control group (c) was fed to satiation three times a day during the experiment. the four groups were starved for 1 (w1), 2 (w2), 3 (w3), and 4 (w4) w...

ژورنال: :فصلنامه علمی پژوهشی علوم و فنون شیلات 2014
محمدصادق علوی یگانه بهرام فلاحتکار

length-weight relationships and fecundity of 93 individual female acipenser persicus broodstocks were investigated. the specimens were caught during 2001-2005 from golestan, mazandaran and guilan provinces along the southern coast of the caspian sea. total length and weight of each fish was measured to the nearest 1cm and 100 g, respectively. age determination was carried out by using transects...

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