نتایج جستجو برای: health sites

تعداد نتایج: 1239790  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1392

هدف این مطالعه بررسی نظری واکنش افزایش اکسایش snme2cl2 به کمپلکس های غنی از الکترون پلاتین(ii) از نوع [ptl2me2] (1) در حضور لیگاند های دو دندانه l2 ، به منظور تشکیل محصول واکنش [ptl2me2(snme2cl)cl] (2) و سپس حذف کاهشی me-sn-me2cl از کمپلکس 2 است. این واکنش افزایش اکسایش از طریق مکانیسم sn2 انجام می شود. محاسبات ما نشان دادند که ماهیت لیگاند دو دندانه l2، بر روی انرژی ساختار گذار و محصول واکنش ...

Journal: :international journal of environmental research 0
a. bartkowiak department of soil science and soil protection, faculty of agriculture and biotechnology, utp university of science and technology in bydgoszcz, bernardyńska 6 st., 85-029 bydgoszcz j. lemanowicz sub-department of biochemistry, faculty of agriculture and biotechnology, utp university of science and technology in bydgoszcz, 85-029 bydgoszcz, bernardyńska 6 st., poland a. siwik-ziomek sub-department of biochemistry, faculty of agriculture and biotechnology, utp university of science and technology in bydgoszcz, 85-029 bydgoszcz, bernardyńska 6 st., poland

the paper demonstrates the result of changes in the physicochemical and biological properties in soil as a result of the operation of illegal dumping sites. soil was sampled from the research points located on the outskirts of the city of bydgoszcz (poland) from the site not affected by illegal dumping sites (control c), within the dumping sites, having removed the waste layer (w), and 10 m awa...

Introduction: Health tourism industry is growing in border provinces of the country, especially in the areas where tourists feel more comfortable as a result of distance from stressful urban life. This research was done to promote Health Tourism Industry in Ardabil. Methods: This is an analytic study. The data were gathered by means of library technique f...

Urban development is rapidly expanding across the globe and is a major driver of environmental change. It is important to understand how bird species responds to urbanization. Therefore I conducted a qualitative study of birds associated with waste sites such as dumpsite and sewage stabilization ponds was carried out on Moshi municipal. The study assessed the diversity between dumpsite and sewa...

Determining the seasonal and annual quantities and compositions of the municipal solid waste and assessing the present management conditions of three urban communities in the northwest of Iran were the core objectives of this study. Our findings revealed that the average daily per capita of municipal waste generation was 0.489–0.841 kg/cap-day. Organic and food waste comprised the largest part ...

Journal: :international journal of environmental research 2009
m. s. abdullahi a. uzairu o.j. okunola

the concentration (mg/kg dry weight) of cd, cr and pb were determined in onion leaves samples using the atomic absorption spectrometry. a total of 16 onion leaves each were collected from both the study and control sites for analysis. the heavy metals, cd, cr and pb in onion leaves of study sites were found in the range of 0.667 – 0.933, 3.870 – 7.870 and 5.870 – 7.537mg/kg respectively, ...

Journal: :IJHISI 2007
Lisa M. Nanovic Jonathan B. Jaffery

One in nine adults in the United States has chronic kidney disease (CKD). Randomized studies show electronic health (e-health) systems improve health outcomes in chronic disease. This study describes a systematic evaluation of available CKD Web sites. We evaluated Web sites for educating patients with CKD, focusing on three specific design issues: usability, quality, and content. Thirty Web sit...

Journal: :Annals of family medicine 2017
Melora Simon Niteesh K Choudhry Jim Frankfort David Margolius Julia Murphy Luis Paita Thomas Wang Arnold Milstein

PURPOSE Medicare's merit-based incentive payment system and narrowing of physician networks by health insurers will stoke clinicians' and policy makers' interest in care delivery attributes associated with value as defined by payers. METHODS To help define these attributes, we analyzed 2009 to 2011 commercial health insurance claims data for more than 40 million preferred provider organizatio...

Journal: :Health affairs 2009
Arnold Milstein Elizabeth Gilbertson

Four primary care sites in the United States constitute "medical home runs" because their patients incur 15-20 percent less (risk-adjusted) total health care spending per year than patients treated by regional peers, without evidence of reduced quality. The sites achieved this result in a U.S. payment environment that usually penalizes physicians who invest to prevent costly near-term health cr...

Journal: :Occupational and environmental medicine 2000
T Pless-Mulloli D Howel A King I Stone J Merefield J Bessell R Darnell

OBJECTIVES To answer the question whether living near opencast coal mining sites affects acute and chronic respiratory health. METHODS All 4860 children aged 1-11 from five socioeconomically matched pairs of communities close to active opencast sites and control sites away from them were selected. Exposure was assessed by concentrations of particulate matter with aerodynamic diameter < 10 mic...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید