نتایج جستجو برای: principalcomponent analysis

تعداد نتایج: 2824135  

Journal: :جغرافیا و توسعه ناحیه ای 0
رفیعیان رفیعیان تاجدار تاجدار

it is a serious point to put sustainability into effect with the intention of healthy environment. health, according to the united nation development program (undp) is one of the important indicators which shows development level in each country. health is extremely meaningful and is associated with a great part of urban and regional planning policies as a main aspiration. it also contains many...

Journal: :international journal of society, culture & language 2013
mahmood reza atai mohammad amin mozaheb

in this study, van dijk’s (1998) model of cda was utilized in order to examine the representation of iran’s nuclear program in editorials published by british news casting companies. the analysis of the editorials was carried out at two levels of headlines and full text stories with regard to the linguistic features of lexical choices, nominalization, passivization, overcompleteness, and voice....

Journal: :international journal of marine science and engineering 0
m. tajari department of marine industries, faculty of marine science and technology, science and research branch, islamic azad university f. azarsina department of marine industries, faculty of marine science and technology, science and research branch, islamic azad university n. ashrafi khorasani faculty of mechanical and aerospace engineering, science and research branch, islamic azad university

explosion and fire on an offshore rig can lead to its minor or complete damage and sinking which means the loss of life or environmental pollution. hence the use of techniques such as blast wall is crucial to reduce the detrimental effects. these blast walls are designed for explosion wave of length between 0.1 to 1 of load mainly to protect the personnel and critical sections. in this research...

Journal: :international journal of advanced design and manufacturing technology 0
farshad panahizadeh navid bozorgan

the first and second laws of thermodynamics have been employed to evaluate energy and exergetic efficiency of the single effect absorption chiller which is used for air conditioning purpose. the performance analysis has been carried out by developing a computer program in ees and modeling the chiller and its components. to evaluate entropy of the water/lithium bromide solution at any point, an ...

Journal: :journal of dentistry, tehran university of medical sciences 0
amir fayaz alahyar geramy yeganeh memari zahra rahmani rahmani

objectives: this study sought to assess the effects of length and inclination of implants on stress distribution in an implant and terminal abutment teeth in an implant assisted-removable partial denture (rpd) using three-dimensional (3d) finite element analysis (fea).   materials and methods: in this in vitro study, a 3d finite element model of a partially dentate mandible with a distal extens...

Journal: :applied research on english language 0
jiaxin xing shaoqian luo

the present meta-analysis was conducted to provide a quantitative measure of the overall effects of task complexity on chinese efl learners’ language production. based on the strict inclusion criteria, 12 primary studies were synthesized according to key features. eleven of them were meta-analyzed to investigate effects of raising the resource-directing task complexity. results revealed that ...

Journal: :iranian journal of public health 0
f sahin mutlu u ayranci k ozdamar

smoking has become more prevalent in turkey than it has in those of western countries during the past decade. this study was conducted to make parameter estimations on gender related smoking habits with the minimum of variance. of the ninety-two researches related to smoking habits conducted from 1981 to 2003 in turkey, 60 were deemed appropriate for the application of meta analysis and meta re...

Journal: :international journal of civil engineering 0
m. mahmoudi shahid rajaee teacher training university t. teimoori shahid rajaee teacher training university h. kozani shahid rajaee teacher training university

the current building codes provide limited prescriptive guidance on design for protection of buildings due to progressive collapse. progressive collapse is a situation in which a localized failure in a structure, caused by an abnormal load, such as explosions or other happenings. three procedures, often employed for determination of the structural response during progressive collapse i.e. linea...

Journal: :international journal of advanced design and manufacturing technology 0
mohamadhosein navidfar saeed ziyaee rad mohamad esfahanian amir khorram

in this paper the interior noise level of a vehicle due to structural vibration, named structure borne noise, as a part of nvh analysis has been investigated. first structural analysis is performed and vibrational behavior of structure carried out due to power plant excitations. then interior acoustic cavity response for such excitation and resultant noise is determined. vibrational analysis is...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
فتانه قربانی جوادپور f ghorbany javadpour dental school, jondi shapour university of medical sciences, ahvaz university, ahvaz-iran.دانشکده دندانپزشکی، دانشگاه علوم پزشکی جندی شاپور اهواز ماشاء ‍ا... خانه مسجدی m khanemasjedi dental school, jondi shapour university of medical sciences, ahvaz university, ahvaz-iran.دانشکده دندانپزشکی، دانشگاه علوم پزشکی جندی شاپور اهواز

objective: since orthodontic and orthognathic treatment planningin each ethnic group must be done according to the soft tissue facial characteristicsregarded as beauty,they thus vary from country to country.the main purpose of this articlewas to determine the mean range of the middle third of soft tissue facial profile and anteroposterior lip positioningusing 3angular and 2 linear measurements ...

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