نتایج جستجو برای: شاخص ambi
تعداد نتایج: 74660 فیلتر نتایج به سال:
پایش اکولوژیک مناطق ساحلی به منظور ارزیابی سلامت این زیستگاه ها از اهمیت ویژه ای برخوردار میباشد. هدف از این تحقیق ارزیابی کیفیت اکولوژیک آب های ساحلی دریای خزر بر اساس موجودات ماکروبنتوزی و با استفاده از شاخص(azti marine biotic index) ambi بود. برای این منظور 12 ایستگاه در سواحل دریای خزر در منطقه سیسنگان انتخاب و نمونه برداری در فصل پاییز 1391 با استفاده از نمونه بردار van veen انجام شد....
با توجه به اهمیت اکولوژیکی خور موسی از نظر در برداشتن فون وسیعی از موجودات و وجود صنایع مختلف در جوار آن و همچنین ورود آلاینده ها به این منطقه پایش این اکوسیستم ضروری بنظر می رسد. این مطالعه بمنظور بررسی شاخص های سلامت زیست محیطی در نواحی صنعتی خوریات ماهشهر طی 4 فصل از زمستان 1386 تا پائیز 1387 در 4 ایستگاه اسکله بنادر و کشتیرانی، اسکله نفتی، اسکله پتروشیمی و کانال اصلی خورموسی صورت گرفت. نمون...
Because of the reduced toxicity associated with liposomal amphotericin B preparations, different amphotericin B liposome products have been made. In the present study, we compared the amphotericin B liposomal formulations, AmBisome(®) (AmBi) and Lambin(®) (Lbn), in uninfected and Aspergillus fumigatus infected mice, using several in vitro and in vivo toxicity and efficacy assays. The results sh...
We investigate the construction of five-dimensional, three-charge supergravity solutions that only have a rotational U(1) isometry. We show that such solutions can be obtained as warped compactifications with a singular ambi-polar hyper-Kähler base space and singular warp factors. We show that the complete solution is regular around the critical surface of the ambi-polar base. We illustrate thi...
Central nervous system (CNS) aspergillosis is a severe disease that responds poorly to current therapies. The current studies examined the efficacies of several antifungal agents alone or in combination with a murine model of CNS aspergillosis. Immunosuppressed mice were infected intracerebrally with Aspergillus fumigatus and treated with an amphotericin B preparation, an echinocandin, or voric...
The pan-European MacroBen database was used to compare the AZTI Marine Biotic Index (AMBI) and the Benthic Quality Index (BQIES), 2 biotic indices which rely on 2 distinct assessments of species sensitivity/tolerance (i.e. AMBI EG and BQI E[S50]0.05) and which up to now have only been compared on restricted data sets. A total of 12 409 stations were selected from the database. This subset (indi...
Background and Purpose—Diffusion-weighted imaging (DWI) is superior to conventional MRI in identification of small new ischemic lesions and discrimination of recent infarcts from old ones. Thus, this technique is useful in the detection of acute multiple brain infarcts (AMBI). We sought to determine the frequency and the topographical and etiologic patterns of AMBI detected on DWI. Methods—We s...
BACKGROUND AND PURPOSE Diffusion-weighted imaging (DWI) is superior to conventional MRI in identification of small new ischemic lesions and discrimination of recent infarcts from old ones. Thus, this technique is useful in the detection of acute multiple brain infarcts (AMBI). We sought to determine the frequency and the topographical and etiologic patterns of AMBI detected on DWI. METHODS We...
A long-term assessment of the benthic habitat quality intertidal flats in Liaohe Estuary was conducted by three integrating ecological indices, AZTI’s Marine Biotic Index (AMBI), Multivariate-AMBI (M-AMBI), and Shannon–Wiener diversity index (H′) based on macrobenthos data from 2013 to 2020. The results showed that macrobenthic communities were characterized indifferent sensitive species AMBI g...
The present study was conducted for the first time to investigate and identify the ecological quality status (EcoQ) of Gorgan Bay and also to emphasize the degree of agreement between the results of different benthic macrofauna indices, introduction of appropriate index and utilization of basic results in environmental management programs in the region. To do, 22 sites were selected and macrobe...
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