Search Results - Bao YI

Based on the requirement of agriculture automation, after development the microcomputer measuring-controlling system for greenhouse, a telemeasuring-controlling and data collection system was designed. The system consists of two master controllers and their telesend-telereceive controlling instrumen...

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The agricultural machinery multimedia decision support system, which is based on management information systems and information technology, is aimed to transmit, storage, organize and analyze agriculture machinery information. With the help of multimedia technology, the system analysis, forecast and...

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A method of measuring the moisture content of soybean making use of its dielectric properties was introduced, and the necessary equipment was developed, which was composed of signal generator, pressure transducer, cylindric measuring capacitance, electronic tube millivoltmeter, oscilloscope, etc. Th...

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The relationship between the plant water lack degree and the electric property and water potential of leaf was studied with an aim of improving the measurement accuracy and speeding-up of information transfer. Leaf water potential of a plant fluctuated in the course of a day, which was dependent on...

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A development module of network-based virtual instrument technology intended to be used for inspecting the performance of vehicle was presented. G web server provided by NI company helped achieve the web issue of vehicle inspection front panel. Meanwhile DataSocket technique helped achieve data tran...

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We developed an effective and convenient system for inspecting performance of tractor by applying the virtual instrument technology. The theoretical and methodological aspects of examining performances of tractor, such as brake force, speed, noise, intensity of lamplight, smoke intensity and the wei...

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In order to fined the relationship between the SPAD value and the nitrogen content of oilseed rapes, a Minolta SPAD-502 Meter was used for on-farm measurement of the N content, and then the Kjeldahl method has been used for measuring the nitrogen content of these oilseed rapes. The results of these...

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The effect of different soil particle sizes on the visible/near infrared spectra to detect soil organic matter contents was analyzed. The visible/near infrared spectra of soil samples with the particle sizes of 0.169-2 mm and <0.169 mm were measured at the range of 325-1 075 nm. Then the prin...

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Alginate oligosaccharides (AOS), belonging to the class of functional marine oligosaccharides, are low-molecular polymers linked by β-1,4-mannuronic acid (M) and α-1,4-guluronic acid (G), which could be classically obtained by enzymatic hydrolysis of alginate. With low viscosity and good water solub...

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Three spectral regions were investigated for the discrimination of four main soil varieties in Zhejiang Province. The three spectral regions included the visible-near infrared (Vis-NIR), near infrared (NIR), middle-infrared (MIR) spectroscopy. After spectral collection, different calibration methods...

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Identification of rapeseed varieties by using hyperspectral imaging technique combined with artificial neural network (ANN) was proposed. Hyperspectral images of several rapeseed varieties in range 400-1 000 nm were acquired, and then the principal component analysis (PCA) was performed to select th...

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