نتایج جستجو برای: diversity coefficient index

تعداد نتایج: 731304  

2016
Yaling Liu Pengfei Zhang Ru Zhang Meiling Song Fengbo Liu Wenquan Wang Junling Hou

Radix Astragali has been an important traditional Chinese herbal medicine for over 2000 years. It is derived from two plant species, namely, Astragalus mongholicus [Astragalus membranaceus (Fisch.) Bge. var. mongholicus (Bge.) Hsiao] and Astragalus membranaceus [Astragalus membranaceus (Fisch.) Bge.] (Leguminosae), according to the Pharmacopoeia of the People’s Republic of China. In this study,...

Journal: :پژوهش های زراعی ایران 0
علیرضا کوچکی مهدی نصیری محلاتی سارا سنجانی

in order to investigate the weed diversity and modeling light interception in sole and intercropping millet and bean an experiment was conducted as complete randomized block design with 4 treatments and 4 replications at the agricultural research station, ferdowsi university of mashhad, iran, during 2008. treatments included monocultures, intercropping of millet and bean and a control treatment...

Journal: :Genetics and molecular research : GMR 2011
Y Jiang J-P Liu

Random amplified polymorphic DNA (RAPD) and sequence-related amplified polymorphism (SRAP) analysis were applied to 74 individual plants of Piper spp in Hainan Island. The results showed that the SRAP technique may be more informative and more efficient and effective for studying genetic diversity of Piper spp than the RAPD technique. The overall level of genetic diversity among Piper spp ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده جنگلداری و مهندسی چوب و کاغذ 1391

درک الگوی توزیع مکانی ماکروفون خاک بدلیل اثرات آن روی فرآیندهای اکوسیستم بسیار مهم است. لیکن اطلاعات کمی در این خصوص وجود دارد. درمورد تنوع زیستی ارگانیسم ها وجانداران خاکزی که ازاجزای مهم وکلیدی درهرسیستم اکولوژیکی هستند و در بهبود حاصلخیزی خاک و تولیدات زمین وپایداری اکوسیستم ها(ازطریق فرآیندهای بیولوژیک)نقش عمده دارند تحقیقات کمی انجام شده است. این تحقیق جهت بررسی الگوی مکانی پارامترهای تنوع...

Journal: :iranian journal of public health 0
habib omrani-khoo 1. dept. of health economics and management, school of public health, tehran university of medical sciences , tehran, iran ; 2. bushehr university of medical sciences , bushehr, iran. farhad lotfi 3. health management and economics research center, school of health management and information sciences, iran university of medical sciences , tehran, iran. hossein safari 1. dept. of health economics and management, school of public health, tehran university of medical sciences , tehran, iran. sanaz zargar balaye jame 1. dept. of health economics and management, school of public health, tehran university of medical sciences , tehran, iran. javad moghri 1. dept. of health economics and management, school of public health, tehran university of medical sciences , tehran, iran. milad shafii 1. dept. of health economics and management, school of public health, tehran university of medical sciences , tehran, iran.

equitable distribution of health system resources has been a serious challenge for long ago among the health policy makers. conducted studies have mostly ever had emphasis on equality rather than equity. in this paper we have attempted to examine both equality and equity in resources distribution.this is an applied and descriptive study in which we plotted lorenz and concentration curves to des...

Journal: :Antimicrobial agents and chemotherapy 2013
C Plüss-Suard A Pannatier A Kronenberg K Mühlemann G Zanetti

In this study, we aimed to evaluate the relationship between the rates of resistance of Pseudomonas aeruginosa to carbapenems and the levels and diversity of antibiotic consumption. Data were retrospectively collected from 20 acute care hospitals across 3 regions of Switzerland between 2006 and 2010. The main outcome of the present study was the rate of resistance to carbapenems among P. aerugi...

Journal: :nutrition and food sciences research 0
majid hasan-ghomi department of clinical nutrition and dietetics, faculty of nutrition sciences and food technology, national nutrition and food technology research institute, shahid beheshti university of medical sciences, tehran, iran parvin mirmiran health technology assessment, standardization and tariff management, deputy of curative affairs ministry of health and medical education, tehran, iran golaleh asghari nutrition and endocrine research center, obesity research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, tehran, iran zohreh amiri department of basic sciences, faculty of nutrition sciences and food technology, national nutrition and food technology research institute, shahid beheshti university of medical sciences, tehran, iran nafiseh saadati nutrition and endocrine research center, obesity research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, tehran, iran saeed sadeghian nutrition and endocrine research center, obesity research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, tehran, iran

background and objectives: this study was undertaken to determine the relationship between food security and individual dietary diversity score (idds). materials and methods: this population-based cross-sectional study was conducted on 200 non-diabetic individuals aged ≥40 years, selected randomly from the tehran lipid and glucose study. household food security was measured using a validated un...

Journal: :environmental resources research 2013
agwunobi desmond onyeka ugwumba o. alex

the study comparatively assessed the impacts of farm activities on the abundance and diversity of soil arthropods and soil physico-chemical parameters of the practical year training programme (pytp) farmlands, university of ibadan, south western nigeria. soil arthropods were collected from september, 2010 to february, 2011 in five sampling sites of pytp farmlands using berlese tullgren extracti...

Precise investigation of genetic diversity by means of novel molecular tools has made it possible to identify the superior genotypes among various male and female pistachio populations. Cytogenetic studies have shed light on the possible presence of distinct sex chromosomes in male and female genotypes. In this study, 22 start codon targeted (SCoT) primers were used to investigate the genetic d...

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