نتایج جستجو برای: croprotcction rate

تعداد نتایج: 960377  

Journal: :international journal of pediatrics 0
amir almasi-hashiani department of epidemiology and reproductive health, reproductive epidemiology research center, royan institute for reproductive biomedicine, acecr, tehran, iran mahdi sepidarkish department of epidemiology and reproductive health, reproductive epidemiology research center, royan institute for reproductive biomedicine, acecr, tehran, iran samira vesali department of epidemiology and reproductive health, reproductive epidemiology research center, royan institute for reproductive biomedicine, acecr, tehran, iran reza omani samani department of epidemiology and reproductive health, reproductive epidemiology research center, royan institute for reproductive biomedicine, acecr, tehran, iran

backgroundseveral studies have examined the relationship between human development index (hdi) and various health outcomes. the aim of this study was to investigate the relationship between hdi, and infant mortality rate, mortality rate of children under one year and under 5 years, maternal mortality rate, and total fertility rate.materials and methodsin this ecologic study, data on hdi, total ...

Journal: :acta medica iranica 0
hooman hossein nejad department of emergency medicine, sina hospital, tehran university of medical sciences, tehran, iran. mohsen banaie department of emergency medicine, sina hospital, tehran university of medical sciences, tehran, iran. seyed hossein seyedhosseini davarani department of emergency medicine, sina hospital, tehran university of medical sciences, tehran, iran. zahra khazaeipour brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran.

the emergency severity index (esi) is a five-level triage system that has shown promising reliability and validity. according to esi algorithm, in the presence of danger zone respiratory rate (rr), heart rate (hr) or oxygen (o2) saturation, patients should be up-triaged from esi level 3 to 2 hence, the current study aimed to investigate the value of the measurement of vital signs in predicting ...

Journal: :middle east journal of rehabilitation and health studies 0
zeinab rezaei esfahrood department of periodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran maryam nourelahi department of periodontics, school of dentistry, semnan university of medical sciences, semnan, iran; department of periodontics, school of dentistry, semnan university of medical sciences, semnan, iran. tel: +98-9153011606

conclusions it was observed that the success and survival rate of maxillary molar immediate implant was relatively high and similar to those of conventional delayed implants. results immediate implants were most frequently used for incisor and premolar sites and there is very little data available on immediate implantation in the molar area. in this research, we reviewed all the existing papers...

Journal: :journal of mining and environment 2016
m. mohseni m. ataei

in this work, the time series modeling was used to predict the tazareh coal mine risks. for this purpose, initially, a monthly analysis of the risk constituents including frequency index and incidence severity index was performed. next, a monthly time series diagram related to each one of these indices was for a nine year period of time from 2005 to 2013. after extrusion of the trend, seasonali...

Journal: :international journal of industrial mathematics 2014
z. rozeei t. akhondzadeh g. sameei

making capital and investment is the main driving forces of economic development. based on the investment sensitivity to the changes of some of macro-economic variables and risk and uncertainty, the present study evaluated the effective factors on investment in private sector in iran during 1980-2007. at first, the uncertainty variables of real informal exchange rate, nominal interest rate and ...

Journal: :اقتصاد و توسعه کشاورزی 0
حسینی حسینی گیلان پور گیلان پور ایروانی ایروانی

abstract main objective of this paper is to investigate the impact of exchange rate misalignment on wheat’s producer estimates (pse), using the 1989-2007 period’s data. for this purpose, vector error correction model (vecm) along with the use of real exchange rate based on purchasing power party (ppp) was applied to estimate nominal equilibrium exchange rates. then, by using market price suppor...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده کشاورزی 1383

برنج یکی از مهمترین محصولات کشاورزی است که برای افزایش عملکرد آن مقدار زیادی کود ازته مصرف می شود. مهمترین کود ازته که در شالیزارها مصرف می گردد، اوره است که علیرغم میزان بالای مصرف آن، تاثیرش بر افزایش عملکرد برنج بدلیل هدر رفت ازت در حد انتظار نمی باشد. هدر رفت ازت از کودها باعث افزایش هزینه تولید و آلودگی محیط زیست می شود. تحقیقات نشان داده اند که تصعید آمونیاک مهمترین راه هدر رفت ازت از کود...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1390

abstract birbery and corruption and other criminal and as such is one of social phenomena , and i can firmly say that society is protected and safe from harm , this is criminal . eache community is familiar with these crimes and the crime associated ( direct or indirect ) with the political economic , social , and cultural beliefs and religious issues , especially with the community . admitted...

Journal: :Journal of Family Planning and Reproductive Health Care 2009

Journal: :international journal of communications and information technology 2011
m. shafei m. rezaei s. tavakoli f. mohanna

in this paper, we propose a new full-fuzzy video ratecontrol algorithm (rca) for variable bit rate (vbr) videoapplications. the proposed rca provides high qualitycompressed video with a low degree computational complexity.by controlling the quantization parameter (qp) on a picturebasis, it produces vbr video bit streams. the proposed rcahas been implemented on the jm h.264/avc video codec andth...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید