نتایج جستجو برای: pressure systems which can cause long
تعداد نتایج: 6277744 فیلتر نتایج به سال:
Background: Environmental and occupational lead exposures are known to cause an elevated blood pressure but can this concept be applied to missile-related lead exposure? Methods: We implemented a controlled, cohort study design to examine study samples with long-standing missiles in craniomaxillofacial region using atomic absorption spectrophotometry and standard sphygmomanometry to measure ...
constipation is a common complaint affecting a considerable part of the population in the western world [1]. compared to men, women suffer more from this ailment [2]. usually, more than one factor is involved. lack of fiber in the diet, the presence of hemorrhoids or rectocele have all been incriminated to cause constipation or else exacerbate it. while bearing down causes some degree of perine...
in mammals, the intrauterine condition has an important role in the development of fetal physiological systems in later life. suboptimal maternal environment can alter the regulatory pathways that determine the normal development of the fetus in utero, which in post-natal life may render the individual more susceptible to cardiovascular or metabolic adult-life diseases. changes in the intrauter...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
Background: Inadequate lighting in the workplace can cause unconventional changes in the posture of office workers. Poor ergonomic conditions in the office cause inappropriate postures during work and increase pressure on the musculoskeletal system which can cause some disorders in long-term. In this study, the relationship between work environment lighting with the prevalence and severity of m...
abstract: advertisements are the most accessible type of authentic materials, and this is one reason why they are used more and more in english teaching classes. for this cause, studies in the field of advertisements are very widespread nowadays. for pun is one aspect which makes advertisements more interesting, it is used more than before in advertisements. use of puns makes an advertisement m...
abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...
a novel silver (ag) nanocomposite electrode was proposed that fabricated from metal nanostructures and ionic liquids. the combined application of unique properties of nanomaterials and ionic liquids in the design of this ag nanocomposite results in electrodes with interesting advantages compared to the conventional metal disk electrode. in the first part of this thesis, the elecrocatalytic eff...
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