نتایج جستجو برای: simiulatinng models

تعداد نتایج: 907886  

Journal: :journal of agricultural science and technology 2010
h. jalilvand s. gh. jalali m. akbarian m. tabari s. m. hosseini

the impact of climatic variations on basal area growth of basswood (ba) (tilia americana l.), american beech (be) (fagus grandifolia enrh.), bitternut hickory (bh) (caria cordiformis (wang.) k. koch), largetooth aspen (la) (populus grandidentata michx.), red maple (rm) (acer rubrum l.), red oak (ro) (quercus rubra l.), sugar maple (sm) (acer saccharum marsh.), and white ash (wa) (fraxinus a...

Journal: :desert 2009
n. ghahreman b. bakhtiari

precipitation and air temperature data, only, are often recorded at meteorological stations, with radiation beingmeasured at very few weather stations, especially in developing countries. therefore there arises a need for suitablemodels to estimate solar radiation for a completion of data sets. this paper is about an evaluation of eight models foran estimation of daily solar radiation (q) from ...

Journal: :journal of research in medical sciences 0
abbas abbaszadeh phd, associate professor, razi nursing school, kerman university of medical sciences, kerman, iran fariba borhani assistant professor, razi nursing school, kerman university of medical sciences, kerman, iran neda asadi student, razi nursing school, kerman university of medical sciences, kerman, iran

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: ischemic heart diseases are the most common cardiovascular diseases. this study aimed to assess the effects of video training about risk factors based on health belief model on knowledge and attitude of myocardial infarction patients after discharge. methods: this was a quasi-experimental study conducted in 201...

Journal: :international journal of high risk behaviors and addiction 0
mahmood sheikh fathollahi occupational environment research center, department of epidemiology and biostatistics, medical school, rafsanjan university of medical sciences, rafsanjan, ir iran fateme torkashvand medical school, rafsanjan university of medical sciences, rafsanjan, ir iran hamid najmeddin department of public relations, rafsanjan university of medical sciences, rafsanjan, ir iran mohsen rezaeian occupational environment research center, department of epidemiology and biostatistics, medical school, rafsanjan university of medical sciences, rafsanjan, ir iran; occupational environment research center, department of epidemiology and biostatistics, medical school, rafsanjan university of medical sciences, rafsanjan, ir iran. tel: +98-3434331315

patients and methods this was a historical cohort study. a total of 1396 patients admitted between march 2011 and march 2012 in 16 mmt clinics (13 private and 3 state clinics) in rafsanjan, entered the study and their retention rate was examined for one year. the patients’ data abstracted from their medical records using checklists and collected by clinics’ staff. data analyses were performed u...

Journal: :international journal of epidemiology research 0
fariba asadi shahid sadoughi university of medical sciences, yazd, i.r. iran hossein fallahzadeh biostatistics dept., shahid sadoughi university of medical sciences, yazd, i.r. iran. masoud rahmanian diabetes research center, shahid sadoughi university of medical sciences, yazd, i.r. iran.

background and aims: diabetes type ii (non-insulin dependent) which is one of the most prevalent diabetes types in the world emerges in people with the age of above 55 and genetic and environmental factors interfere in this disease. the aim of this study was to determine the factors affecting diabetes type ii with generalized mixed linear model. methods: population of this study included 2820 p...

Journal: :ecopersia 0
morteza akbari ph.d. candidate of combat desertification, department of watershed and arid zone management, faculty of rangeland and watershed, gorgan university of agricultural sciences and natural resources, gorgan, iran majid ownegh professor, department of watershed and arid zone management, faculty of range land and watershed, gorgan university of agricultural sciences and natural resources, gorgan, iran hamidreza asgari assistant professor, department of watershed and arid zone management, faculty of range land and watershed, gorgan university of agricultural sciences and natural resources, gorgan, iran amir sadoddin associate professor, department of watershed and arid zone management, faculty of range land and watershed, gorgan university of agricultural sciences and natural resources, gorgan, iran hasan khosravi assistant professor, department of arid and mountainous regions reclamation, faculty of natural resources. university of tehran, tehran, iran

based on spi and rdi indices, changes in droughts in the semi-arid areas of west golestan province was assessed in the gis environment by incorporating data from hashemabad synoptic station and 11 climatic stations. after evaluating the ability of lars-wg5 in the simulation period (1984-2010), downscaling of hadcm3, ipcm, and gfc models was done as a group under scenarios of a1b, a2 and b1 to e...

Journal: :iranian red crescent medical journal 0
mohammad ranjbar ezatabadi department of health management and economics, tehran university of medical sciences, tehran, ir iran; health policy research center, shahid sadoughi university of medical sciences, yazd, ir iran arash rashidian department of health management and economics, tehran university of medical sciences, tehran, ir iran mohammad shariati department of social medicine, tehran university of medical sciences, tehran, ir iran abbas rahimi foroushani department of epidemiology and biostatistics, tehran university of medical sciences, tehran, ir iran ali akbari sari department of health management and economics, tehran university of medical sciences, tehran, ir iran; department of health management and economics, tehran university of medical sciences, tehran, ir iran. tel: +98-9127251294, fax: +98-21-66462267

conclusions the conjoint analysis results show that gps concerned about various factors of family physician contracts. these results can be helpful for policy-makers as they complete the process of creating family physician plans, which can help increase the motivation of gps to participate in the plan. results the results show that “quotas for admission to specialized courses” is the strongest...

Journal: :Twin research and human genetics : the official journal of the International Society for Twin Studies 2006
Kristian E Markon

Nonnormal phenotypic distributions introduce significant problems in the estimation and selection of genetic models. Here, a semiparametric maximum likelihood approach to analyzing nonnormal phenotypes is described. In this approach, distributions are explicitly modeled together with genetic and environmental effects. Distributional parameters are introduced through mixture constraints, where t...

Journal: :Psychological methods 2016
Kristopher J Preacher Zhen Zhang Michael J Zyphur

Social scientists are increasingly interested in multilevel hypotheses, data, and statistical models as well as moderation or interactions among predictors. The result is a focus on hypotheses and tests of multilevel moderation within and across levels of analysis. Unfortunately, existing approaches to multilevel moderation have a variety of shortcomings, including conflated effects across leve...

2014
Hugo Valin Ronald D. Sands Dominique van der Mensbrugghe Gerald D. Nelson Helal Ahammad Elodie Blanc Benjamin Bodirsky Shinichiro Fujimori Tomoko Hasegawa Petr Havlík Edwina Heyhoe Page Kyle Daniel Mason-D’Croz Sergey Paltsev Susanne Rolinski Andrzej Tabeau Hans van Meijl Martin von Lampe Dirk Willenbockel

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید