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Transit time

Quantifying new water fractions and transit time distributions using ensemble hydrograph separation: theory and benchmark tests

Quantifying new water fractions and transit time distributions using ensemble hydrograph separation: theory and benchmark tests

... Mean transit times have often been estimated in the catch- ment hydrology literature, often under the assumption that they should also be correlated with other timescales of catch- ment transport and mixing as ...

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Capillary blood transit time in muscles in relation to body size and aerobic capacity

Capillary blood transit time in muscles in relation to body size and aerobic capacity

... 1980; Hudlicka et al. 1982). By estimating bulk blood flow and net oxygen extraction through the entire capillary bed, we eliminated the considerable problems of calculating mean capillary length (Sarelius, 1986) and ...

13

Integrated response and transit time distributions of watersheds by combining hydrograph separation and long term transit time modeling

Integrated response and transit time distributions of watersheds by combining hydrograph separation and long term transit time modeling

... the Transit Time Distribution (TTD) and the Response Time Distribution (RTD) from hourly to an- nual time scales as two distinct hydrological ...of transit and response time of ...

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Insights into the water mean transit time in a high elevation tropical
ecosystem

Insights into the water mean transit time in a high elevation tropical ecosystem

... mean transit time (MTT) of water and its spatial variability in a tropical high-elevation ecosystem (wet Andean ...five transit time distribution (TTD) functions was used to estimate MTTs ...

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Pulse Transit Time and Inspiratory Resistive Load as a Marker for Inspiratory Perception in Children

Pulse Transit Time and Inspiratory Resistive Load as a Marker for Inspiratory Perception in Children

... pulse transit time (PTT) has shown its potential in respiratory sleep ...the time taken for the arterial pulse pressure wave to travel from the left ventricular to a peripheral site, commonly a ...

5

Modeling of Arterial Stiffness using Variations of Pulse Transit Time

Modeling of Arterial Stiffness using Variations of Pulse Transit Time

... Abstract. In this paper, a finite element (FE) modeling is used to model effects of the arterial stiffness on the different signal patterns of the pulse transit time (PTT). Several different breathing ...

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Photoplethysmography and electrocardiography for real time evaluation of pulse transit time A diagnostic marker of peripheral vascular diseases

Photoplethysmography and electrocardiography for real time evaluation of pulse transit time A diagnostic marker of peripheral vascular diseases

... pulse transit time is not an absolute value and can vary from subject to subject, a reference recording was carried on for five minutes and without any applied pressure, in order to have a well defined and ...

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Gastric transit and small intestinal transit time and motility assessed by a magnet tracking system

Gastric transit and small intestinal transit time and motility assessed by a magnet tracking system

... gastric transit time was defined as the time from ingestion of the magnetic pill until pyloric ...intestinal transit was deter- mined as time from the pyloric passage until the ...

10

A novel mathematical model for transit time ultrasonic flow measurement

A novel mathematical model for transit time ultrasonic flow measurement

... ultrasonic transit-time flow ...absolute time-of-flight (ToFs) of ultrasonic waves travelling upstream and downstream, can be derived based on either of the ...the time difference (the ...

5

Colonic transit time and pressure based on Bernoulli’s principle

Colonic transit time and pressure based on Bernoulli’s principle

... Purpose: Variations in the caliber of human large intestinal tract causes changes in pressure and the velocity of its contents, depending on flow volume, gravity, and density, which are all variables of Bernoulli’s ...

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Reevaluation of transit time distributions, mean transit times and their relation to catchment topography

Reevaluation of transit time distributions, mean transit times and their relation to catchment topography

... as transit time proxy (TTP) instead of MTTs to investigate catchments of various geomorphic regions across the Northern Hemi- sphere and also found a strong correlation to ...sidering time-variant ...

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Novel MRI tests of orocecal transit time and whole gut transit time: studies in normal subjects

Novel MRI tests of orocecal transit time and whole gut transit time: studies in normal subjects

... orocecal transit time; ROMs, radio- opaque markers; SBWC, small bowel water content; SEM, standard error of the mean; TE, echo time; TR, repetition time; TSE, turbo spin echo; WGT, whole gut ...

10

Effects of VANETs on Vehicle Transit Time and Average Speed in Realistic Scenarios

Effects of VANETs on Vehicle Transit Time and Average Speed in Realistic Scenarios

... and transit time are measured as a function of the number of nodes, penetration ratio, number of vehicle incidents and transmission ...simulation time, packet transmission frequency, wait time ...

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Transit time heterogeneity in canine small intestine: significance for oxygen transport

Transit time heterogeneity in canine small intestine: significance for oxygen transport

... of transit time heterogeneity for tissue gas exchange is widely known ...cell transit time distributions in rabbit heart endocardium and epicardium ...where transit times varied by as ...

12

Reliability, repeatability, and reproducibility of pulmonary transit time assessment by contrast enhanced echocardiography

Reliability, repeatability, and reproducibility of pulmonary transit time assessment by contrast enhanced echocardiography

... the transit time estimated by two observers at two time moments showed a high intra-observer correl- ation (1 month interval) of ...mean transit times ...

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TRANSIT TIME RELATED TO CLINICAL FINDINGS IN CHILDREN WITH RECURRENT ABDOMINAL PAIN

TRANSIT TIME RELATED TO CLINICAL FINDINGS IN CHILDREN WITH RECURRENT ABDOMINAL PAIN

... It is suggested that when rectal constipation has been excluded, children with RAP should be classi- fied as cases of colonic spasm in view of the strong similarity with spastic colon of[r] ...

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Wind and wave directional transit time model for offshore wind operation and maintenance

Wind and wave directional transit time model for offshore wind operation and maintenance

... economical rate, then a project cannot proceed since higher initial capital costs will increase interest rates, impacting on its economic viability. Maximising plant uptime by reducing the uncertainties in maintenance ...

6

A dynamic prediction of travel time for transit time for transit vehicles in Brazil using GPS data

A dynamic prediction of travel time for transit time for transit vehicles in Brazil using GPS data

... a transit vehicle or carpool will arrive.Travel time information is the most preferred infor- mation by travelers [Vanajakshi et al 2009, Pu and Lin ...travel time information is important because it ...

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Magnet tracking allows assessment of regional gastrointestinal transit times in children

Magnet tracking allows assessment of regional gastrointestinal transit times in children

... segmental transit times for each individual are shown in Table ...nal transit time, gastric emptying time, small intestinal transit time, and colorectal transit ...

8

Characterization of Cardiac Dynamics in an Acute Myocardial Infarction Model by Four-Dimensional Optoacoustic and Magnetic Resonance Imaging

Characterization of Cardiac Dynamics in an Acute Myocardial Infarction Model by Four-Dimensional Optoacoustic and Magnetic Resonance Imaging

... Extraction of murine cardiac functional parameters on a beat-by-beat basis is limited with the existing imaging modalities due to insufficient three-dimensional temporal resolution. Faster volumetric imaging methods ...

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