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VERSATILE MOBILE AND STATIONARY LOW-COST APPROACHES FOR HYDROLOGICAL MEASUREMENTS
flood monitoring geo-crowd sourcing image-to-geometry intersection time lapse image analysis smartphone application low-cost camera system Raspberry Pi
2018/6/4
In the last decades, an increase in the number of extreme precipitation events has been observed, which leads to increasing risks for flash floods and landslides. Thereby, conventional gauging station...
A 'Fitbit' for plants?Researchers create a low-cost,portable platform to gauge plant health
Fitbit plants Researchers low-cost portable platform gauge plant health
2016/7/4
K-State researchers have developed a tool called the Phenocart to capture essential plant health data. It measures plant vital signs like growth rate and color, the same way a Fitbit monitors human he...
Comparison between low-cost and traditional MEMS accelerometers: a case study from the M7.1 Darfield, New Zealand, aftershock deployment
Seismology Instruments and techniques Ground Motion Seismic Risk
2015/8/27
Recent advances in micro-electro-mechanical systems (MEMS) sensing and distributed computing techniques have enabled the development of low-cost, rapidly deployed dense seismic networks. The Quake-Cat...
A brighter design emerges for low-cost, 'greener' LED light bulbs（图）
greener LED light bulbs
2014/12/1
The phase-out of traditional incandescent bulbs in the U.S. and elsewhere, as well as a growing interest in energy efficiency, has given LED lighting a sales boost. However, that trend could be short-...
Development of a Simple and Low-cost Device for Fluorometric Determination of Selenium in Water Samples
Simple Low-cost Device Fluorometric Determination Selenium Water Samples
2010/9/13
A portable spectrofluorometer device comprising an ultraviolet LED (380 nm) as a light source, an LED driver, a microsyringe as a cell, an optical fiber cable, a CCD spectrometer and a personal comput...
Precipitation and microphysical studies with a low cost high resolution X-band radar: an innovative project prospective
Precipitation microphysical
2010/2/3
This paper describes an innovative project which has just been launched at the "Laboratoire de Météorologie Physique" (LaMP) in Clermont-Ferrand in collaboration with the "Meteorologische Institut" in...
Local materials, low cost and good science add up to technology for developing nations
irrigation system cholera bacteria
2007/5/15
May 14, 2007，"Appropriate technology" for developing nations can be as simple as a cloth sari folded four times and used to filter cholera bacteria from water. It can be as elegant as a clay pot withi...