نتایج جستجو برای: pressure measurement

تعداد نتایج: 815096  

Journal: :Measurement Science and Technology 2013

2016
Abraham A. Kroon

The purpose of this research was to review the literature on home blood pressure measurement (HBPM) and to provide recommendations regarding HBPM assessment. Observational studies on HBPM, published after 1992, as identified by PubMed, EMBASE, and Cochrane literature searches were reviewed. Studies were selected if they met the following criteria: 1) self-measurements had been performed with va...

پایان نامه :0 1370

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...

M Heydari R.A SHekhi S SHahbazi

Background & Aims: Increase in abdominal pressure can lead to the so-called intra–abdominal compartment syndrome (ACS) that is often observed during the first 24 hours after sever abdominal trauma and surgery. Measurement of the intra abdominal pressure through the bladder as a non-invasive measurement can provide a quick and accurate assessment of abdominal pressure changes. This study was per...

1999
J. H. Leck

The quadrupole mass spectrometer is now well established as the instrument used almost universally for partial pressure measurement. This spectrometer can be considered as a hot-cathode extractor ionisation gauge with the addition of an electrostatic mass filter between the ion source and the ion collector. This filter consists of a square array of circular rods approximately 6 mm diameter and ...

Journal: :European annals of otorhinolaryngology, head and neck diseases 2015
T Mom Y Pavier F Giraudet L Gilain P Avan

Endolymphatic pressure measurement is of interest both to researchers in the physiology and pathophysiology of hearing and ENT physicians dealing with Menière's disease or similar conditions. It is generally agreed that endolymphatic hydrops is associated with Menière's disease and is accompanied by increased hydrostatic pressure. Endolymphatic pressure, however, cannot be measured precisely wi...

Journal: :Duodecim; laaketieteellinen aikakauskirja 2009
Teemu Niiranen Antti Jula

Hypertension, the leading global risk factor for early mortality, can not be detected or treated without accurate and practical methods of blood pressure (BP) measurement. Although home BP measurement enjoys considerable popularity among patients, the diagnosis and treatment of hypertension are still mostly based on office measurements. However, recent studies have shown that home BP is more st...

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