نتایج جستجو برای: frequency diversity.

تعداد نتایج: 663902  

In this study frequency and composition of plankton in Shadegan wetland was carried out in 5 stations during 2007-2008. Genus qualitative identification and their composition and quantitative frequency aspect were studied (for phytoplankton chlorophyll a). Frequency of total 42 genus phytoplankton in 4 classes Bacilariophyceae (Diatom), Cyanophyceae, Chlorophyceae and Dinophyceae are 69.4, 22.2...

Journal: :Progress In Electromagnetics Research M 2021

Journal: :international journal of pediatrics 0
aziz kamran public health department, khalkhal faculty of medical sciences, ardabil university of medical sciences, ardabil, iran. gholamreza sharifirad islamic azad university, qom branch, qom, iran. khadijeh nasiri nursing department, khalkhal faculty of medical sciences, ardabil university of medical sciences, ardabil, iran. parisa soleymanifard nursing department, khalkhal faculty of medical sciences, ardabil university of medical sciences, ardabil, iran. mohammadthagi savadpour nursing department, khalkhal faculty of medical sciences, ardabil university of medical sciences, ardabil, iran. maryam akbar haghighat public health department, khalkhal faculty of medical sciences, ardabil university of medical sciences, ardabil, iran.

backgroundcomplementary feeding practices play an important role in growth and development of the children. this study aimed to determine the complementary feeding practices status among children aged 6- 23 months and its association with various socio- demographic factors.materials and methodsthis community based cross-sectional study was conducted at field practice area of urban health center...

Journal: :مهندسی برق و الکترونیک ایران 0
s. sadough a. mahmood e. jaffrot pierre duhamel

this paper investigates the multi-band ofdm (mb-ofdm) based physical (phy) layer proposal for ieee 802.15.3a working group on short-range high data-rate ultra-wide-band (uwb) communications. an overview of the mb-ofdm phy layer architecture with its various parameters is presented and the optimal choice of critical parameters is discussed. next, we derive the theoretical un-coded bit error rate...

2005
Akira Utsumi

In this paper, we argue that the metaphor form of a comparison (i.e., a topic-vehicle pair) is preferred over, and more comprehensible than, the simile form when the interpretive diversity for that comparison is high. Interpretive diversity refers to the richness of the figurative meaning of a comparison; it is high to the extent that more features or properties are related to the figurative me...

Journal: :علوم گیاهان زراعی ایران 0
حمید حسینیان خوشرو محمدرضا بی همتا محمد اسماعیل حسنی منصور امیدی

to evaluate allelic diversity at loci encoding low molecular weight glutenin subunits (lmw-gs) among 62 genotypes of bread wheat, nine specific primer pairs for glu-a3, glu-b3, glu-d3 loci were employed. pcr products were separated on 2% agarose gels. two pairs of specific primers, at amplified glu-a3 locus, 8 alleles were detected the c allele of which was the most abundant with a frequency of...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - پژوهشکده برق و کامپیوتر 1390

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

Journal: :تحقیقات دامپزشکی 0
مسعود محرابی دانش آموخته، دانشکده دامپزشکی دانشگاه ارومیه، ارومیه–ایران محمد یخچالی گروه پاتوبیولوژی، دانشکده دامپزشکی دانشگاه ارومیه، ارومیه–ایران

background: coccidian infection in poultry is the most common infection in the world and is the cause of mortality and great economic losses in poultry production. objectives: this study was aimed to determine the frequency and eimeria species diversity in broiler farms of hamadan suburb, iran. methods: a total of 16 broiler farms were randomly selected with different production age in 2012. th...

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