نتایج جستجو برای: measurements errors

تعداد نتایج: 496019  

Journal: :international journal of occupational hygiene 0
naser hashemi-nejad department of occupational health, school of public health, kerman university of medical sciences, kerman, iran. alireza choobineh professor of occupational health, ergonomics department, school of health and nutrition, research center for health sciences, shiraz university of medical sciences, shiraz, iran. mohammadreza baneshi phd in biostatistics, research center for modeling in health, institute for futures studies in health, kerman university of medical sciences, kerman, iran. akram jafari-roodbandi msc student of occupational health, member of kerman medical student research committee, kerman university of medical sciences, kerman, iran.

this study aimed to evaluate the reliability factors, and identify causes of error in direct anthropometry method. after training three beginner anthropometrists and following the instructions of anthropometric standards, 48 body dimensions of 42 male students were measured three times. in other words, the physical dimensions of each subject were measured for 9 times. all participants were wear...

Journal: :IEEJ Transactions on Fundamentals and Materials 1990

Azizollah Rahimi Mansour Zabihzadeh Mozafar Naserpour, Sasan Razmjoo Sholeh Arvandi Syyed Mohammad Hoseini

Introduction: Each treatment planning algorithm has some errors in dose calculation. Particularly these errors are more pronounced in the heterogeneous regions. It is recommended for each set of radiation data and algorithm subtle deliberation done regarding dose calculation accuracy. Knowing the amount of error in dose calculation will result in a fairly accurate estimate of t...

Journal: :Proceedings of National Aviation University 2009

Measurements of some variables in statistical analysis are often encountered with random errors. Therefore, investigating of the effects of these errors seems to be important. This event in regression analysis seems to be more necessary. Because the aim of the fitting a regression model is estimating the effect of an independent variable on a response variable. Then measurements of an independe...

Journal: :journal of dentistry, tehran university of medical sciences 0
amir reza rokn rokn kazem hashemi solmaz akbari mohammad javad kharazifard hamidreza barikani mehrdad panjnoosh

objectives: this study sought to evaluate the accuracy and errors of linear measurements of mesiodistal dimensions of kennedy class iii edentulous space using cone beam computed tomography (cbct) in comparison with clinical measurements. materials and methods: nineteen kennedy class iii dental arches were evaluated. an impression was made of each dental arch and poured with dental stone. the di...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید