نتایج جستجو برای: hydrometry

تعداد نتایج: 45  

Journal: :The British journal of nutrition 2001
M Deurenberg-Yap G Schmidt W A van Staveren J G Hautvast P Deurenberg

This cross-sectional study compared body fat percentage (BF%) obtained from a four-compartment (4C) model with BF% from hydrometry (using 2H2O), dual-energy X-ray absorptiometry (DXA) and densitometry among the three main ethnic groups (Chinese, Malays and Indians) in Singapore, and determined the suitability of two-compartment (2C) models as surrogate methods for assessing BF% among different ...

ژورنال: علوم آب و خاک 2013
انسیه مرآتی, , رسول قبادیان, , عبدالله طاهری تیزرو, ,

Stage – discharge relationship is mainly developed from measured data in any hydrometry station. Measured data usually obtain in low to medium flow discharge, because in most cases it is very difficult to measure the flow discharge during flood. Therefore, the stage–discharge is extrapolated beyond the measured data to compute the flood which may estimate low or higher value. This is because du...

Journal: :Applied sciences 2022

Earth-dam failure starts with cracking in the clay core, and this is not easy to detect prevent. Therefore, swellable a feasible solution, which helps close cracks automatically based on self-healing process. The presented study utilizes experimental procedures analyze swelling behavior of fine-grained clayey soils prevent structural regarding crack generations. In regard, materials were modifi...

Journal: :Frontiers in artificial intelligence and applications 2023

Since the 1970s, Bureau of Hydrology, Changjiang Water Resources Commission has carried out research on automatic flood reporting, innovation hydrometry methods, and improvement “one station, one policy” monitoring reporting capabilities, laying a technical foundation for development hydrologic survey; construction Web-based intelligent system (“WISH” system) been out, an information survey. Th...

Journal: :VNU Journal of Science: Earth and Environmental Sciences 2023

Observed discharge time series is essential data for hydrological analysis, streamflow forecasting, as well water resources planning and management. Estimation of continuous generally based on the curves (or empirical models) that can properly simulate relationships between levels (stages) concurrent discharges observed at a particular station. For stations with complex hydraulic conditions, in...

Journal: :Frontiers in artificial intelligence and applications 2022

Satellite remote sensing has the characteristics of real-time, efficient, large amount data, wide observation range and so on, which makes up for limitations traditional ground in time space, can provide new data sources areas without data. In order to study feasibility using satellite technology liquid flow measurement, this paper studies discusses technical route obstacles discharge measureme...

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